From cdfbb20b4cd413c44867202735e0237476ae509d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jan=20=C4=8Curn?= Date: Wed, 18 Aug 2021 09:56:01 +0200 Subject: [PATCH 001/109] chore: Release of version 1.0.3 (#150) --- .github/workflows/check.yml | 12 ++++++------ .github/workflows/release.yml | 16 ++++++++-------- CHANGELOG.md | 6 ++++++ package.json | 2 +- 4 files changed, 21 insertions(+), 15 deletions(-) diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml index 98974c47..274f93be 100644 --- a/.github/workflows/check.yml +++ b/.github/workflows/check.yml @@ -15,7 +15,7 @@ jobs: strategy: matrix: os: [ubuntu-latest] # add windows-latest later - node-version: [10, 12, 14] + node-version: [10, 12, 14, 16] steps: - @@ -27,13 +27,13 @@ jobs: node-version: ${{ matrix.node-version }} - name: Cache Node Modules - if: ${{ matrix.node-version == 14 }} + if: ${{ matrix.node-version == 16 }} uses: actions/cache@v2 with: path: | node_modules build - key: cache-${{ github.run_id }}-v14 + key: cache-${{ github.run_id }}-v16 - name: Install Dependencies run: npm install @@ -58,10 +58,10 @@ jobs: - uses: actions/checkout@v2 - - name: Use Node.js 14 + name: Use Node.js 16 uses: actions/setup-node@v1 with: - node-version: 14 + node-version: 16 - name: Load Cache uses: actions/cache@v2 @@ -69,6 +69,6 @@ jobs: path: | node_modules build - key: cache-${{ github.run_id }}-v14 + key: cache-${{ github.run_id }}-v16 - run: npm run lint diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml index d9bac361..a815ba7b 100644 --- a/.github/workflows/release.yml +++ b/.github/workflows/release.yml @@ -19,7 +19,7 @@ jobs: strategy: matrix: os: [ubuntu-latest] # add windows-latest later - node-version: [10, 12, 14] + node-version: [10, 12, 14, 16] steps: - @@ -31,13 +31,13 @@ jobs: node-version: ${{ matrix.node-version }} - name: Cache Node Modules - if: ${{ matrix.node-version == 14 }} + if: ${{ matrix.node-version == 16 }} uses: actions/cache@v2 with: path: | node_modules build - key: cache-${{ github.run_id }}-v14 + key: cache-${{ github.run_id }}-v16 - name: Install Dependencies run: npm install @@ -61,10 +61,10 @@ jobs: - uses: actions/checkout@v2 - - name: Use Node.js 14 + name: Use Node.js 16 uses: actions/setup-node@v1 with: - node-version: 14 + node-version: 16 - name: Load Cache uses: actions/cache@v2 @@ -72,7 +72,7 @@ jobs: path: | node_modules build - key: cache-${{ github.run_id }}-v14 + key: cache-${{ github.run_id }}-v16 - run: npm run lint @@ -89,7 +89,7 @@ jobs: - uses: actions/setup-node@v1 with: - node-version: 14 + node-version: 16 registry-url: https://registry.npmjs.org/ - name: Load Cache @@ -98,7 +98,7 @@ jobs: path: | node_modules build - key: cache-${{ github.run_id }}-v14 + key: cache-${{ github.run_id }}-v16 - # Determine if this is a beta or latest release name: Set Release Tag diff --git a/CHANGELOG.md b/CHANGELOG.md index 5f76b117..74167018 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,9 @@ +1.0.3 / 2021-08-17 +================== +- Fixed `EventEmitter` memory leak (see issue [#81](https://github.com/apify/proxy-chain/issues/81)) +- Added automated tests for Node 16 +- Updated dev dependencies + 1.0.2 / 2021-04-14 ================== - Bugfix: `closeTunnel()` function didn't work because of `runningServers[port].connections.forEach is not a function` error (see issue [#127](https://github.com/apify/proxy-chain/issues/127)) diff --git a/package.json b/package.json index f210e5b1..b700a563 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "1.0.2", + "version": "1.0.3", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "build/index.js", "keywords": [ From 0043ac9db2c04fffdd53fe7ee7d3a11183648555 Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Tue, 24 Aug 2021 11:01:06 +0200 Subject: [PATCH 002/109] fix: invalid CONNECT responses (#151) --- package.json | 2 +- src/handler_tunnel_chain.js | 16 +++++++--- test/server.js | 59 +++++++++++++++++++++++++++++++++++++ 3 files changed, 72 insertions(+), 5 deletions(-) diff --git a/package.json b/package.json index b700a563..c59ac063 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "1.0.3", + "version": "1.0.4", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "build/index.js", "keywords": [ diff --git a/src/handler_tunnel_chain.js b/src/handler_tunnel_chain.js index 78d64f6e..445fd389 100644 --- a/src/handler_tunnel_chain.js +++ b/src/handler_tunnel_chain.js @@ -17,15 +17,15 @@ export default class HandlerTunnelChain extends HandlerBase { run() { this.log('Connecting to upstream proxy...'); - const targetHost = `${this.trgParsed.hostname}:${this.trgParsed.port}`; + this.targetHost = `${this.trgParsed.hostname}:${this.trgParsed.port}`; const options = { method: 'CONNECT', hostname: this.upstreamProxyUrlParsed.hostname, port: this.upstreamProxyUrlParsed.port, - path: targetHost, + path: this.targetHost, headers: { - Host: targetHost, + Host: this.targetHost, }, }; @@ -44,6 +44,7 @@ export default class HandlerTunnelChain extends HandlerBase { onTrgRequestConnect(response, socket, head) { if (this.isClosed) return; + this.log('Connected to upstream proxy'); // Attempt to fix https://github.com/apify/proxy-chain/issues/64, @@ -56,7 +57,7 @@ export default class HandlerTunnelChain extends HandlerBase { this.srcGotResponse = true; this.srcResponse.removeListener('finish', this.onSrcResponseFinish); - this.srcResponse.writeHead(200, 'Connection Established'); + this.srcResponse.writeHead(response.statusCode === 200 ? 200 : 502); this.emit('tunnelConnectResponded', { response, socket, head }); @@ -65,6 +66,13 @@ export default class HandlerTunnelChain extends HandlerBase { // See also https://github.com/nodejs/node/blob/master/lib/_http_outgoing.js#L217 this.srcResponse._send(''); + if (response.statusCode !== 200) { + this.log(`Failed to connect to ${this.targetHost} via ${this.upstreamProxyUrlParsed.hostname} (${response.statusCode})`); + + this.close(); + return; + } + // It can happen that this.close() it called in the meanwhile, so this.srcSocket becomes null // and the detachSocket() call below fails with "Cannot read property '_httpMessage' of null" // See https://github.com/apify/proxy-chain/issues/63 diff --git a/test/server.js b/test/server.js index 0a4eb9d6..b7a42fe1 100644 --- a/test/server.js +++ b/test/server.js @@ -16,6 +16,7 @@ const WebSocket = require('faye-websocket'); const { parseUrl, parseProxyAuthorizationHeader } = require('../build/tools'); const { Server, RequestError } = require('../build/index'); const { TargetServer } = require('./target_server'); +const ProxyChain = require('../build/index'); /* TODO - add following tests: @@ -1063,6 +1064,64 @@ describe('Server (HTTPS -> Target)', createTestSuite({ useMainProxy: false, })); +describe('non-200 upstream connect response', () => { + // No assertion planning :( + // https://github.com/chaijs/chai/issues/670 + let success = false; + + after(() => { + if (!success) { + throw new Error('Failed'); + } + }); + + it('fails downstream with 502', (done) => { + const server = http.createServer(); + server.on('connect', (_request, socket) => { + socket.once('error', () => {}); + socket.end('HTTP/1.1 403 Forbidden\r\ncontent-length: 1\r\n\r\na'); + }); + server.listen(() => { + const serverPort = server.address().port; + const proxyServer = new ProxyChain.Server({ + port: 0, + prepareRequestFunction: () => { + return { + upstreamProxyUrl: `http://localhost:${serverPort}`, + }; + }, + }); + proxyServer.listen(() => { + const proxyServerPort = proxyServer.port; + + const req = http.request({ + method: 'CONNECT', + host: 'localhost', + port: proxyServerPort, + path: 'example.com:443', + headers: { + host: 'example.com:443', + }, + }); + req.once('connect', (response, socket, head) => { + expect(response.statusCode).to.equal(502); + expect(head.length).to.equal(0); + success = true; + + socket.once('close', () => { + proxyServer.close(); + server.close(); + + done(); + }); + }); + + req.end(); + }); + }); + }); +}); + // Run all combinations of test parameters const useSslVariants = [ false, From f1bbe4203aeb53f4a6292da493437f8e80566191 Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Tue, 12 Oct 2021 09:24:34 +0200 Subject: [PATCH 003/109] release: 2.0.0 (#162) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Co-authored-by: Martin Adámek --- .babelrc | 3 - .eslintrc.json | 47 +- .github/workflows/check.yml | 2 +- .github/workflows/release.yml | 2 +- .gitignore | 4 +- .mocharc.json | 3 + CHANGELOG.md | 6 + README.md | 31 +- jest.config.ts | 21 + package.json | 82 +-- ...{anonymize_proxy.js => anonymize_proxy.ts} | 46 +- src/chain.ts | 176 +++++ src/custom_response.ts | 39 ++ src/direct.ts | 104 +++ src/forward.ts | 122 ++++ src/handler_base.js | 291 --------- src/handler_custom_response.js | 62 -- src/handler_forward.js | 197 ------ src/handler_tunnel_chain.js | 116 ---- src/handler_tunnel_direct.js | 64 -- src/index.js | 20 - src/index.ts | 5 + src/request_error.ts | 20 + src/server.js | 539 ---------------- src/server.ts | 599 ++++++++++++++++++ src/socket.d.ts | 7 + src/tcp_tunnel.js | 228 ------- src/tcp_tunnel_tools.js | 108 ---- src/tcp_tunnel_tools.ts | 120 ++++ src/tools.js | 272 -------- src/utils/count_target_bytes.ts | 64 ++ src/utils/decode_uri_component_safe.ts | 7 + src/utils/get_basic.ts | 14 + src/utils/is_hop_by_hop_header.ts | 13 + src/utils/nodeify.ts | 16 + src/utils/parse_authorization_header.ts | 39 ++ src/utils/redact_url.ts | 13 + src/utils/valid_headers_only.ts | 43 ++ test/.eslintrc.json | 16 + test/anonymize_proxy.js | 133 ++-- test/anonymize_proxy_no_password.js | 20 +- test/ee-memory-leak.js | 8 +- test/server.js | 296 ++++++--- test/tcp_tunnel.js | 193 +++--- test/tools.js | 455 ++----------- {src => test/utils}/run_locally.js | 6 +- test/{ => utils}/target_server.js | 9 +- {src => test/utils}/testing_tcp_service.js | 0 tsconfig.eslint.json | 7 + tsconfig.json | 9 + 50 files changed, 1990 insertions(+), 2707 deletions(-) delete mode 100644 .babelrc create mode 100644 .mocharc.json create mode 100644 jest.config.ts rename src/{anonymize_proxy.js => anonymize_proxy.ts} (67%) create mode 100644 src/chain.ts create mode 100644 src/custom_response.ts create mode 100644 src/direct.ts create mode 100644 src/forward.ts delete mode 100644 src/handler_base.js delete mode 100644 src/handler_custom_response.js delete mode 100644 src/handler_forward.js delete mode 100644 src/handler_tunnel_chain.js delete mode 100644 src/handler_tunnel_direct.js delete mode 100644 src/index.js create mode 100644 src/index.ts create mode 100644 src/request_error.ts delete mode 100644 src/server.js create mode 100644 src/server.ts create mode 100644 src/socket.d.ts delete mode 100644 src/tcp_tunnel.js delete mode 100644 src/tcp_tunnel_tools.js create mode 100644 src/tcp_tunnel_tools.ts delete mode 100644 src/tools.js create mode 100644 src/utils/count_target_bytes.ts create mode 100644 src/utils/decode_uri_component_safe.ts create mode 100644 src/utils/get_basic.ts create mode 100644 src/utils/is_hop_by_hop_header.ts create mode 100644 src/utils/nodeify.ts create mode 100644 src/utils/parse_authorization_header.ts create mode 100644 src/utils/redact_url.ts create mode 100644 src/utils/valid_headers_only.ts create mode 100644 test/.eslintrc.json rename {src => test/utils}/run_locally.js (90%) rename test/{ => utils}/target_server.js (94%) rename {src => test/utils}/testing_tcp_service.js (100%) create mode 100644 tsconfig.eslint.json create mode 100644 tsconfig.json diff --git a/.babelrc b/.babelrc deleted file mode 100644 index ec553ce6..00000000 --- a/.babelrc +++ /dev/null @@ -1,3 +0,0 @@ -{ - presets: ["es2015", "stage-0"] -} \ No newline at end of file diff --git a/.eslintrc.json b/.eslintrc.json index 9e9c7270..229cd6ae 100644 --- a/.eslintrc.json +++ b/.eslintrc.json @@ -1,33 +1,18 @@ { - "extends": "airbnb-base", - "plugins": [ - "import", - "promise" - ], - "rules": { - "indent": ["error", 4], - "no-underscore-dangle": [2, { - "allow": ["_id"] - }], - "no-use-before-define": 0, - "no-param-reassign": 0, - "consistent-return": 0, - "array-callback-return": 0, - "arrow-body-style": 0, - "no-plusplus": 0, - "strict": ["error", "global"], - "max-len": ["error", 150], - "no-undef": 0, - "func-names": 0, - "import/prefer-default-export": 0, - "import/no-absolute-path": 0, - "import/no-extraneous-dependencies": ["error", { "devDependencies": ["**/test/*.js"] }], - "no-underscore-dangle": 0, - "radix": 0, - "no-continue": 0, - "import/no-cycle": 1, - "max-classes-per-file": 0, - "prefer-destructuring": 0, - "no-console": 0 + "extends": [ + "@apify/ts" + ], + "parserOptions": { + "project": "tsconfig.eslint.json" + }, + "overrides": [ + { + "files": [ + "test/**/*.js" + ], + "env": { + "jest": true + } + } + ] } -} diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml index 274f93be..71172878 100644 --- a/.github/workflows/check.yml +++ b/.github/workflows/check.yml @@ -15,7 +15,7 @@ jobs: strategy: matrix: os: [ubuntu-latest] # add windows-latest later - node-version: [10, 12, 14, 16] + node-version: [14, 16] steps: - diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml index a815ba7b..9e511a89 100644 --- a/.github/workflows/release.yml +++ b/.github/workflows/release.yml @@ -19,7 +19,7 @@ jobs: strategy: matrix: os: [ubuntu-latest] # add windows-latest later - node-version: [10, 12, 14, 16] + node-version: [14, 16] steps: - diff --git a/.gitignore b/.gitignore index ac184136..4d93323b 100644 --- a/.gitignore +++ b/.gitignore @@ -11,4 +11,6 @@ pids .idea yarn.lock docs -package-lock.json \ No newline at end of file +package-lock.json +.nyc_output +dist diff --git a/.mocharc.json b/.mocharc.json new file mode 100644 index 00000000..d22cea1b --- /dev/null +++ b/.mocharc.json @@ -0,0 +1,3 @@ +{ + "require": "ts-node/register" +} diff --git a/CHANGELOG.md b/CHANGELOG.md index 74167018..dac4135e 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,9 @@ +2.0.0 / 2021-10-12 +================== +- Simplify code, fix tests, move to TypeScript [#162](https://github.com/apify/proxy-chain/pull/162) +- Bugfix: Memory leak in createTunnel [#160](https://github.com/apify/proxy-chain/issues/160) +- Bugfix: Proxy fails to handle non-standard HTTP response in HTTP forwarding mode, on certain websites [#107](https://github.com/apify/proxy-chain/issues/107) + 1.0.3 / 2021-08-17 ================== - Fixed `EventEmitter` memory leak (see issue [#81](https://github.com/apify/proxy-chain/issues/81)) diff --git a/README.md b/README.md index 29bf7e8d..b90dd197 100644 --- a/README.md +++ b/README.md @@ -66,8 +66,7 @@ const server = new ProxyChain.Server({ // Sets up an upstream HTTP proxy to which all the requests are forwarded. // If null, the proxy works in direct mode, i.e. the connection is forwarded directly // to the target server. This field is ignored if "requestAuthentication" is true. - // The username and password should be URI-encoded, in case it contains some special characters. - // See `parseUrl()` function for details. + // The username and password must be URI-encoded. upstreamProxyUrl: `http://username:password@proxy.example.com:3128`, // If "requestAuthentication" is true, you can use the following property @@ -339,34 +338,6 @@ Allows to configure a callback on the anonymized proxy URL for the CONNECT respo above section [Accessing the CONNECT response headers for proxy tunneling](#accessing-the-connect-response-headers-for-proxy-tunneling) for details. -### `parseUrl(url)` - -An utility function for parsing URLs. -It parses the URL using Node.js' `new URL(url)` and adds the following features: - -- The result is a vanilla JavaScript object -- `port` field is casted to number / null from string -- `path` field is added (pathname + search) -- both username and password is URI-decoded if possible - (if not, the function keeps the username and password as is) -- `auth` field is added, and it contains username + ":" + password, or an empty string. - -Note that `port` is returned even if it is a default port for `http(s)` and few other protocols. This differs from `new URL(url)` where port is null when default. - -If the URL is invalid, the function throws an error. - -The username and password parsing should make it possible to parse proxy URLs containing -special characters, such as `http://user:pass:wrd@proxy.example.com` -or `http://us%35er:passwrd@proxy.example.com`. The parsing is done on a best-effort basis. -The safest way is to always URI-encode username and password before constructing -the URL, according to RFC 3986. - -Note that compared to the old implementation using `url.parse()`, the new function: - - - is unable to distinguish empty password and missing password - - password and username are empty string if not present (or empty) - - we are able to parse IPv6 - ### `redactUrl(url, passwordReplacement)` Takes a URL and hides the password from it. For example: diff --git a/jest.config.ts b/jest.config.ts new file mode 100644 index 00000000..418627b8 --- /dev/null +++ b/jest.config.ts @@ -0,0 +1,21 @@ +import type { Config } from '@jest/types'; + +export default (): Config.InitialOptions => ({ + verbose: true, + preset: 'ts-jest', + testEnvironment: 'node', + testRunner: 'jest-circus/runner', + testTimeout: 20_000, + collectCoverage: true, + collectCoverageFrom: [ + '**/src/**/*.ts', + '**/src/**/*.js', + '!**/node_modules/**', + ], + maxWorkers: 3, + globals: { + 'ts-jest': { + tsconfig: '/test/tsconfig.json', + }, + }, +}); diff --git a/package.json b/package.json index c59ac063..7a02e1d2 100644 --- a/package.json +++ b/package.json @@ -1,8 +1,8 @@ { "name": "proxy-chain", - "version": "1.0.4", + "version": "2.0.0", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", - "main": "build/index.js", + "main": "dist/index.js", "keywords": [ "proxy", "squid", @@ -28,52 +28,60 @@ }, "homepage": "https://blog.apify.com/how-to-make-headless-chrome-and-puppeteer-use-a-proxy-server-with-authentication-249a21a79212", "files": [ - "build" + "dist" ], "scripts": { - "build": "rm -rf ./build && babel src --out-dir build", - "local-proxy": "npm run build && node ./build/run_locally.js", - "test": "npm run build && cross-env NODE_OPTIONS=--insecure-http-parser mocha --exit --recursive", - "prepare": "npm run build", - "clean": "rm -rf build", - "lint": "npm run build && eslint src", - "lint-fix": "npm run build && eslint src --fix" + "build:watch": "tsc -w", + "build": "tsc", + "clean": "rimraf dist", + "prepublishOnly": "npm run build", + "local-proxy": "node ./dist/run_locally.js", + "test": "nyc cross-env NODE_OPTIONS=--insecure-http-parser mocha --bail", + "lint": "eslint src", + "lint-fix": "eslint src --fix" }, "engines": { - "node": ">=10" - }, - "dependencies": { - "underscore": "^1.9.1" + "node": ">=14" }, "devDependencies": { - "babel-cli": "^6.6.5", - "babel-core": "^6.1.21", - "babel-eslint": "^10.0.3", - "babel-preset-es2015": "^6.1.18", - "babel-preset-stage-0": "^6.1.18", - "basic-auth": "^2.0.0", - "body-parser": "^1.18.2", - "chai": "^4.3.0", + "@apify/eslint-config-ts": "^0.1.4", + "@apify/tsconfig": "^0.1.0", + "@types/jest": "^27.0.2", + "@types/node": "^16.10.1", + "@typescript-eslint/eslint-plugin": "^4.31.2", + "basic-auth": "^2.0.1", + "basic-auth-parser": "^0.0.2", + "body-parser": "^1.19.0", + "chai": "^4.3.4", "cross-env": "^7.0.3", - "eslint": "^7.19.0", - "eslint-config-airbnb": "^18.0.1", - "eslint-config-airbnb-base": "^14.0.0", - "eslint-plugin-import": "^2.2.0", - "eslint-plugin-jsx-a11y": "^6.2.3", - "eslint-plugin-promise": "^4.2.1", - "eslint-plugin-react": "^7.0.1", - "express": "^4.16.2", - "faye-websocket": "^0.11.3", - "isparta": "^4.0.0", - "mocha": "^9.0.3", + "eslint": "^7.32.0", + "express": "^4.17.1", + "faye-websocket": "^0.11.4", + "got-scraping": "^3.2.4-beta.0", + "isparta": "^4.1.1", + "mocha": "^9.1.2", + "nyc": "^15.1.0", "phantomjs-prebuilt": "^2.1.16", "portastic": "^1.0.1", - "proxy": "^1.0.1", - "request": "^2.83.0", + "proxy": "^1.0.2", + "request": "^2.88.2", + "rimraf": "^3.0.2", "sinon": "^11.1.2", "sinon-stub-promise": "^4.0.0", "through": "^2.3.8", - "ws": "^8.0.0" + "ts-node": "^10.2.1", + "typescript": "^4.4.3", + "underscore": "^1.13.1", + "ws": "^8.2.2" }, - "optionalDependencies": {} + "nyc": { + "reporter": [ + "text", + "html", + "lcov" + ], + "exclude": [ + "**/test/**" + ] + } } diff --git a/src/anonymize_proxy.js b/src/anonymize_proxy.ts similarity index 67% rename from src/anonymize_proxy.js rename to src/anonymize_proxy.ts index e28555d9..d59bef9f 100644 --- a/src/anonymize_proxy.js +++ b/src/anonymize_proxy.ts @@ -1,24 +1,19 @@ +import net from 'net'; +import http from 'http'; +import { Buffer } from 'buffer'; +import { URL } from 'url'; import { Server } from './server'; -import { - parseUrl, nodeify, -} from './tools'; +import { nodeify } from './utils/nodeify'; // Dictionary, key is value returned from anonymizeProxy(), value is Server instance. -const anonymizedProxyUrlToServer = {}; +const anonymizedProxyUrlToServer: Record = {}; /** * Parses and validates a HTTP proxy URL. If the proxy requires authentication, then the function * starts an open local proxy server that forwards to the upstream proxy. - * @param proxyUrl - * @param callback Optional callback that receives the anonymous proxy URL - * @return If no callback was supplied, returns a promise that resolves to a String with - * anonymous proxy URL or the original URL if it was already anonymous. */ -export const anonymizeProxy = (proxyUrl, callback) => { - const parsedProxyUrl = parseUrl(proxyUrl); - if (!parsedProxyUrl.host || !parsedProxyUrl.port) { - throw new Error('Invalid "proxyUrl" option: the URL must contain both hostname and port.'); - } +export const anonymizeProxy = (proxyUrl: string, callback?: (error: Error | null) => void): Promise => { + const parsedProxyUrl = new URL(proxyUrl); if (parsedProxyUrl.protocol !== 'http:') { throw new Error('Invalid "proxyUrl" option: only HTTP proxies are currently supported.'); } @@ -28,7 +23,7 @@ export const anonymizeProxy = (proxyUrl, callback) => { return nodeify(Promise.resolve(proxyUrl), callback); } - let server; + let server: Server & { port: number }; const startServer = () => { return Promise.resolve() @@ -42,7 +37,7 @@ export const anonymizeProxy = (proxyUrl, callback) => { upstreamProxyUrl: proxyUrl, }; }, - }); + }) as Server & { port: number }; return server.listen(); }); @@ -62,13 +57,13 @@ export const anonymizeProxy = (proxyUrl, callback) => { * Closes anonymous proxy previously started by `anonymizeProxy()`. * If proxy was not found or was already closed, the function has no effect * and its result if `false`. Otherwise the result is `true`. - * @param anonymizedProxyUrl * @param closeConnections If true, pending proxy connections are forcibly closed. - * If `false`, the function will wait until all connections are closed, which can take a long time. - * @param callback Optional callback - * @returns Returns a promise if no callback was supplied */ -export const closeAnonymizedProxy = (anonymizedProxyUrl, closeConnections, callback) => { +export const closeAnonymizedProxy = ( + anonymizedProxyUrl: string, + closeConnections: boolean, + callback?: (error: Error | null, result?: boolean) => void, +): Promise => { if (typeof anonymizedProxyUrl !== 'string') { throw new Error('The "anonymizedProxyUrl" parameter must be a string'); } @@ -87,17 +82,18 @@ export const closeAnonymizedProxy = (anonymizedProxyUrl, closeConnections, callb return nodeify(promise, callback); }; +type Callback = ({ response, socket, head }: { response: http.IncomingMessage; socket: net.Socket; head: Buffer; }) => void; + /** * Add a callback on 'tunnelConnectResponded' Event in order to get headers from CONNECT tunnel to proxy * Useful for some proxies that are using headers to send information like ProxyMesh - * @param anonymizedProxyUrl - * @param tunnelConnectRespondedCallback Callback to be invoked upon receiving the response. It - * shall take an object as its parameter, with three keys `response`, `socket`, and `head` as - * described here: https://nodejs.org/api/http.html#http_event_connect * @returns `true` if the callback is successfully configured, otherwise `false` (e.g. when an * invalid proxy URL is given). */ -export const listenConnectAnonymizedProxy = (anonymizedProxyUrl, tunnelConnectRespondedCallback) => { +export const listenConnectAnonymizedProxy = ( + anonymizedProxyUrl: string, + tunnelConnectRespondedCallback: Callback, +): boolean => { const server = anonymizedProxyUrlToServer[anonymizedProxyUrl]; if (!server) { return false; diff --git a/src/chain.ts b/src/chain.ts new file mode 100644 index 00000000..049a60f9 --- /dev/null +++ b/src/chain.ts @@ -0,0 +1,176 @@ +import http from 'http'; +import { URL } from 'url'; +import { EventEmitter } from 'events'; +import { Buffer } from 'buffer'; +import { countTargetBytes } from './utils/count_target_bytes'; +import { getBasicAuthorizationHeader } from './utils/get_basic'; +import { Socket } from './socket'; + +const createHttpResponse = (statusCode: number, message: string) => { + return [ + `HTTP/1.1 ${statusCode} ${http.STATUS_CODES[statusCode] || 'Unknown Status Code'}`, + 'Connection: close', + `Date: ${(new Date()).toUTCString()}`, + `Content-Length: ${Buffer.byteLength(message)}`, + ``, + message, + ].join('\r\n'); +}; + +interface Options { + method: string; + headers: string[]; + path?: string; + localAddress?: string; +} + +export interface HandlerOpts { + upstreamProxyUrlParsed: URL; + localAddress?: string; +} + +interface ChainOpts { + request: { url?: string }; + sourceSocket: Socket; + head?: Buffer; + handlerOpts: HandlerOpts; + server: EventEmitter & { log: (...args: any[]) => void; }; + isPlain: boolean; + localAddress?: string; +} + +/** + * Passes the traffic to upstream HTTP proxy server. + * Client -> Apify -> Upstream -> Web + * Client <- Apify <- Upstream <- Web + */ +export const chain = ( + { + request, + sourceSocket, + head, + handlerOpts, + server, + isPlain, + }: ChainOpts, +): void => { + if (head && head.length > 0) { + throw new Error(`Unexpected data on CONNECT: ${head.length} bytes`); + } + + const { proxyChainId } = sourceSocket; + + const { upstreamProxyUrlParsed: proxy } = handlerOpts; + + const options: Options = { + method: 'CONNECT', + path: request.url, + headers: [ + 'host', + request.url!, + ], + localAddress: handlerOpts.localAddress, + }; + + if (proxy.username || proxy.password) { + options.headers.push('proxy-authorization', getBasicAuthorizationHeader(proxy)); + } + + const client = http.request(proxy.origin, options as unknown as http.ClientRequestArgs); + + client.on('connect', (response, targetSocket, clientHead) => { + countTargetBytes(sourceSocket, targetSocket); + + // @ts-expect-error Missing types + if (sourceSocket.readyState !== 'open') { + // Sanity check, should never reach. + targetSocket.destroy(); + return; + } + + targetSocket.on('error', (error) => { + server.log(proxyChainId, `Chain Destination Socket Error: ${error.stack}`); + + sourceSocket.destroy(); + }); + + sourceSocket.on('error', (error) => { + server.log(proxyChainId, `Chain Source Socket Error: ${error.stack}`); + + targetSocket.destroy(); + }); + + if (response.statusCode !== 200) { + server.log(proxyChainId, `Failed to authenticate upstream proxy: ${response.statusCode}`); + + if (isPlain) { + sourceSocket.end(); + } else { + sourceSocket.end(createHttpResponse(502, '')); + } + + return; + } + + if (clientHead.length > 0) { + targetSocket.destroy(new Error(`Unexpected data on CONNECT: ${clientHead.length} bytes`)); + return; + } + + server.emit('tunnelConnectResponded', { + response, + socket: targetSocket, + head: clientHead, + }); + + sourceSocket.write(isPlain ? '' : `HTTP/1.1 200 Connection Established\r\n\r\n`); + + sourceSocket.pipe(targetSocket); + targetSocket.pipe(sourceSocket); + + // Once target socket closes forcibly, the source socket gets paused. + // We need to enable flowing, otherwise the socket would remain open indefinitely. + // Nothing would consume the data, we just want to close the socket. + targetSocket.on('close', () => { + sourceSocket.resume(); + + if (sourceSocket.writable) { + sourceSocket.end(); + } + }); + + // Same here. + sourceSocket.on('close', () => { + targetSocket.resume(); + + if (targetSocket.writable) { + targetSocket.end(); + } + }); + }); + + client.on('error', (error) => { + server.log(proxyChainId, `Failed to connect to upstream proxy: ${error.stack}`); + + // The end socket may get connected after the client to proxy one gets disconnected. + // @ts-expect-error Missing types + if (sourceSocket.readyState === 'open') { + if (isPlain) { + sourceSocket.end(); + } else { + sourceSocket.end(createHttpResponse(502, '')); + } + } + }); + + sourceSocket.on('error', () => { + client.destroy(); + }); + + // In case the client ends the socket too early + sourceSocket.on('close', () => { + client.destroy(); + }); + + client.end(); +}; diff --git a/src/custom_response.ts b/src/custom_response.ts new file mode 100644 index 00000000..3a441366 --- /dev/null +++ b/src/custom_response.ts @@ -0,0 +1,39 @@ +import http from 'http'; + +export interface Result { + statusCode?: number; + headers?: Record; + body?: string; + encoding?: BufferEncoding; +} + +export interface HandlerOpts { + customResponseFunction: () => Result | Promise, +} + +export const handleCustomResponse = async ( + _request: http.IncomingMessage, + response: http.ServerResponse, + handlerOpts: HandlerOpts, +): Promise => { + const { customResponseFunction } = handlerOpts; + if (!customResponseFunction) { + throw new Error('The "customResponseFunction" option is required'); + } + + const customResponse = await customResponseFunction(); + + if (typeof customResponse !== 'object' || customResponse === null) { + throw new Error('The user-provided "customResponseFunction" must return an object.'); + } + + response.statusCode = customResponse.statusCode || 200; + + if (customResponse.headers) { + for (const [key, value] of Object.entries(customResponse.headers)) { + response.setHeader(key, value as string); + } + } + + response.end(customResponse.body, customResponse.encoding!); +}; diff --git a/src/direct.ts b/src/direct.ts new file mode 100644 index 00000000..6eac86f9 --- /dev/null +++ b/src/direct.ts @@ -0,0 +1,104 @@ +import net from 'net'; +import { Buffer } from 'buffer'; +import { URL } from 'url'; +import { EventEmitter } from 'events'; +import { countTargetBytes } from './utils/count_target_bytes'; +import { Socket } from './socket'; + +export interface HandlerOpts { + localAddress?: string; +} + +interface DirectOpts { + request: { url?: string }; + sourceSocket: Socket; + head: Buffer; + server: EventEmitter & { log: (...args: any[]) => void; }; + handlerOpts: HandlerOpts; +} + +/** + * Directly connects to the target. + * Client -> Apify (CONNECT) -> Web + * Client <- Apify (CONNECT) <- Web + */ +export const direct = ( + { + request, + sourceSocket, + head, + server, + handlerOpts, + }: DirectOpts, +): void => { + const url = new URL(`connect://${request.url}`); + + if (!url.hostname) { + throw new Error('Missing CONNECT hostname'); + } + + if (!url.port) { + throw new Error('Missing CONNECT port'); + } + + if (head.length > 0) { + throw new Error(`Unexpected data on CONNECT: ${head.length} bytes`); + } + + const options = { + port: Number(url.port), + host: url.hostname, + localAddress: handlerOpts.localAddress, + }; + + if (options.host[0] === '[') { + options.host = options.host.slice(1, -1); + } + + const targetSocket = net.createConnection(options, () => { + try { + sourceSocket.write(`HTTP/1.1 200 Connection Established\r\n\r\n`); + } catch (error) { + sourceSocket.destroy(error as Error); + } + }); + + countTargetBytes(sourceSocket, targetSocket); + + sourceSocket.pipe(targetSocket); + targetSocket.pipe(sourceSocket); + + // Once target socket closes forcibly, the source socket gets paused. + // We need to enable flowing, otherwise the socket would remain open indefinitely. + // Nothing would consume the data, we just want to close the socket. + targetSocket.on('close', () => { + sourceSocket.resume(); + + if (sourceSocket.writable) { + sourceSocket.end(); + } + }); + + // Same here. + sourceSocket.on('close', () => { + targetSocket.resume(); + + if (targetSocket.writable) { + targetSocket.end(); + } + }); + + const { proxyChainId } = sourceSocket; + + targetSocket.on('error', (error) => { + server.log(proxyChainId, `Direct Destination Socket Error: ${error.stack}`); + + sourceSocket.destroy(); + }); + + sourceSocket.on('error', (error) => { + server.log(proxyChainId, `Direct Source Socket Error: ${error.stack}`); + + targetSocket.destroy(); + }); +}; diff --git a/src/forward.ts b/src/forward.ts new file mode 100644 index 00000000..91a68ee6 --- /dev/null +++ b/src/forward.ts @@ -0,0 +1,122 @@ +import http from 'http'; +import https from 'https'; +import stream from 'stream'; +import util from 'util'; +import { URL } from 'url'; +import { validHeadersOnly } from './utils/valid_headers_only'; +import { getBasicAuthorizationHeader } from './utils/get_basic'; +import { countTargetBytes } from './utils/count_target_bytes'; + +const pipeline = util.promisify(stream.pipeline); + +interface Options { + method: string; + headers: string[]; + insecureHTTPParser: boolean; + path?: string; + localAddress?: string; +} + +export interface HandlerOpts { + upstreamProxyUrlParsed: URL; + localAddress?: string; +} + +/** + * The request is read from the client and is resent. + * This is similar to Direct / Chain, however it uses the CONNECT protocol instead. + * Forward uses standard HTTP methods. + * + * ``` + * Client -> Apify (HTTP) -> Web + * Client <- Apify (HTTP) <- Web + * ``` + * + * or + * + * ``` + * Client -> Apify (HTTP) -> Upstream (HTTP) -> Web + * Client <- Apify (HTTP) <- Upstream (HTTP) <- Web + * ``` + */ +export const forward = async ( + request: http.IncomingMessage, + response: http.ServerResponse, + handlerOpts: HandlerOpts, + // eslint-disable-next-line no-async-promise-executor +): Promise => new Promise(async (resolve, reject) => { + const proxy = handlerOpts.upstreamProxyUrlParsed; + const origin = proxy ? proxy.origin : request.url; + + const options: Options = { + method: request.method!, + headers: validHeadersOnly(request.rawHeaders), + insecureHTTPParser: true, + localAddress: handlerOpts.localAddress, + }; + + // In case of proxy the path needs to be an absolute URL + if (proxy) { + options.path = request.url; + + try { + if (proxy.username || proxy.password) { + options.headers.push('proxy-authorization', getBasicAuthorizationHeader(proxy)); + } + } catch (error) { + reject(error); + return; + } + } + + const fn = origin!.startsWith('https:') ? https.request : http.request; + + // We have to force cast `options` because @types/node doesn't support an array. + const client = fn(origin!, options as unknown as http.ClientRequestArgs, async (clientResponse) => { + try { + // This is necessary to prevent Node.js throwing an error + let statusCode = clientResponse.statusCode!; + if (statusCode < 100 || statusCode > 999) { + statusCode = 502; + } + + // 407 is handled separately + if (clientResponse.statusCode === 407) { + reject(new Error('407 Proxy Authentication Required')); + return; + } + + response.writeHead( + statusCode, + clientResponse.statusMessage, + validHeadersOnly(clientResponse.rawHeaders), + ); + + // `pipeline` automatically handles all the events and data + await pipeline( + clientResponse, + response, + ); + + resolve(); + } catch (error) { + reject(error); + } + }); + + client.once('socket', (socket) => { + countTargetBytes(request.socket, socket); + }); + + try { + // `pipeline` automatically handles all the events and data + await pipeline( + request, + client, + ); + } catch (error: any) { + error.proxy = proxy; + + reject(error); + } +}); diff --git a/src/handler_base.js b/src/handler_base.js deleted file mode 100644 index fa3c8eaf..00000000 --- a/src/handler_base.js +++ /dev/null @@ -1,291 +0,0 @@ -import http from 'http'; -import EventEmitter from 'events'; -import { RequestError } from './server'; - -/** - * Base class for proxy connection handlers. It emits the `destroyed` event - * when the handler is no longer used. - */ -export default class HandlerBase extends EventEmitter { - constructor({ - server, id, srcRequest, srcHead, srcResponse, trgParsed, upstreamProxyUrlParsed, - }) { - super(); - - if (!server) throw new Error('The "server" option is required'); - if (!id) throw new Error('The "id" option is required'); - if (!srcRequest) throw new Error('The "srcRequest" option is required'); - if (!srcRequest.socket) throw new Error('"srcRequest.socket" cannot be null'); - if (!trgParsed.hostname) throw new Error('The "trgParsed.hostname" option is required'); - - this.server = server; - this.id = id; - - this.srcRequest = srcRequest; - this.srcHead = srcHead; - this.srcResponse = srcResponse; - this.srcSocket = srcRequest.socket; - - this.trgRequest = null; - this.trgSocket = null; - this.trgParsed = trgParsed; - this.trgParsed.port = this.trgParsed.port || DEFAULT_TARGET_PORT; - - // Indicates that source socket might have received some data already - this.srcGotResponse = false; - - this.isClosed = false; - - this.upstreamProxyUrlParsed = upstreamProxyUrlParsed; - - // Create ServerResponse for the client HTTP request if it doesn't exist - // NOTE: This is undocumented API, it might break in the future - if (!this.srcResponse) { - this.srcResponse = new http.ServerResponse(srcRequest); - this.srcResponse.shouldKeepAlive = false; - this.srcResponse.chunkedEncoding = false; - this.srcResponse.useChunkedEncodingByDefault = false; - this.srcResponse.assignSocket(this.srcSocket); - } - - // Bind all event handlers to this instance - this.bindHandlersToThis([ - 'onSrcResponseFinish', 'onSrcResponseError', - 'onSrcSocketEnd', 'onSrcSocketFinish', 'onSrcSocketClose', 'onSrcSocketError', - 'onTrgSocket', 'onTrgSocketEnd', 'onTrgSocketFinish', 'onTrgSocketClose', 'onTrgSocketError', - ]); - - this.srcResponse.on('error', this.onSrcResponseError); - - // Called for the ServerResponse's "finish" event - // Normally, Node's "http" module has a "finish" event listener that would - // take care of closing the socket once the HTTP response has completed, but - // since we're making this ServerResponse instance manually, that event handler - // never gets hooked up, so we must manually close the socket... - this.srcResponse.on('finish', this.onSrcResponseFinish); - - // Forward data directly to source client without any delay - this.srcSocket.setNoDelay(); - - this.srcSocket.on('end', this.onSrcSocketEnd); - this.srcSocket.on('close', this.onSrcSocketClose); - this.srcSocket.on('finish', this.onSrcSocketFinish); - this.srcSocket.on('error', this.onSrcSocketError); - } - - bindHandlersToThis(handlerNames) { - handlerNames.forEach((evt) => { - this[evt] = this[evt].bind(this); - }); - } - - log(str) { - this.server.log(this.id, str); - } - - // Abstract method, needs to be overridden - run() {} // eslint-disable-line - - onSrcSocketEnd() { - if (this.isClosed) return; - this.log('Source socket ended'); - this.close(); - } - - // On Node 10+, the 'close' event is called only after socket is destroyed, - // so we also need to listen for the stream 'finish' event - onSrcSocketFinish() { - if (this.isClosed) return; - this.log('Source socket finished'); - this.close(); - } - - // If the client closes the connection prematurely, - // then immediately destroy the upstream socket, there's nothing we can do with it - onSrcSocketClose() { - if (this.isClosed) return; - this.log('Source socket closed'); - this.close(); - } - - onSrcSocketError(err) { - if (this.isClosed) return; - this.log(`Source socket failed: ${err.stack || err}`); - this.close(); - } - - // This is to address https://github.com/apify/proxy-chain/issues/27 - // It seems that when client closed the connection, the piped target socket - // can still pump data to it, which caused unhandled "write after end" error - onSrcResponseError(err) { - if (this.isClosed) return; - this.log(`Source response failed: ${err.stack || err}`); - this.close(); - } - - onSrcResponseFinish() { - if (this.isClosed) return; - this.log('Source response finished, ending source socket'); - // NOTE: We cannot destroy the socket, since there might be pending data that wouldn't be delivered! - // This code is inspired by resOnFinish() in _http_server.js in Node.js code base. - if (typeof this.srcSocket.destroySoon === 'function') { - this.srcSocket.destroySoon(); - } else { - this.srcSocket.end(); - } - } - - onTrgSocket(socket) { - if (this.isClosed || this.trgSocket) return; - this.log('Target socket assigned'); - - this.trgSocket = socket; - - // Forward data directly to target server without any delay - this.trgSocket.setNoDelay(); - - socket.on('end', this.onTrgSocketEnd); - socket.on('finish', this.onTrgSocketFinish); - socket.on('close', this.onTrgSocketClose); - socket.on('error', this.onTrgSocketError); - } - - trgSocketShutdown(msg) { - if (this.isClosed) return; - this.log(msg); - // Once target socket closes, we need to give time - // to source socket to receive pending data, so we only call end() - // If socket is closed here instead of response, phantomjs does not properly parse the response as http response. - if (this.srcResponse) { - this.srcResponse.end(); - } else if (this.srcSocket) { - // Handler tunnel chain does not use srcResponse, but needs to close srcSocket - this.srcSocket.end(); - } - } - - onTrgSocketEnd() { - this.trgSocketShutdown('Target socket ended'); - } - - onTrgSocketFinish() { - this.trgSocketShutdown('Target socket finished'); - } - - onTrgSocketClose() { - this.trgSocketShutdown('Target socket closed'); - } - - onTrgSocketError(err) { - if (this.isClosed) return; - this.log(`Target socket failed: ${err.stack || err}`); - this.fail(err); - } - - /** - * Checks whether response from upstream proxy is 407 Proxy Authentication Required - * and if so, responds 502 Bad Gateway to client. - * @param response - * @return {boolean} - */ - checkUpstreamProxy407(response) { - if (this.upstreamProxyUrlParsed && response.statusCode === 407) { - this.fail(new RequestError('Invalid credentials provided for the upstream proxy.', 502)); - return true; - } - return false; - } - - fail(err) { - if (this.srcGotResponse) { - this.log('Source already received a response, just destroying the socket...'); - this.close(); - return; - } - - this.srcGotResponse = true; - this.srcResponse.setHeader('Content-Type', 'text/plain; charset=utf-8'); - - if (err.statusCode) { - // Error is RequestError with HTTP status code - this.log(`${err} Responding with custom status code ${err.statusCode} to client`); - this.srcResponse.writeHead(err.statusCode); - this.srcResponse.end(`${err.message}`); - } else if (err.code === 'ENOTFOUND' && !this.upstreamProxyUrlParsed) { - this.log('Target server not found, sending 404 to client'); - this.srcResponse.writeHead(404); - this.srcResponse.end('Target server not found'); - } else if (err.code === 'ENOTFOUND' && this.upstreamProxyUrlParsed) { - this.log('Upstream proxy not found, sending 502 to client'); - this.srcResponse.writeHead(502); - this.srcResponse.end('Upstream proxy was not found'); - } else if (err.code === 'ECONNREFUSED') { - this.log('Upstream proxy refused connection, sending 502 to client'); - this.srcResponse.writeHead(502); - this.srcResponse.end('Upstream proxy refused connection'); - } else if (err.code === 'ETIMEDOUT') { - this.log('Connection timed out, sending 502 to client'); - this.srcResponse.writeHead(502); - this.srcResponse.end('Connection to upstream proxy timed out'); - } else if (err.code === 'ECONNRESET') { - this.log('Connection lost, sending 502 to client'); - this.srcResponse.writeHead(502); - this.srcResponse.end('Connection lost'); - } else if (err.code === 'EPIPE') { - this.log('Socket closed before write, sending 502 to client'); - this.srcResponse.writeHead(502); - this.srcResponse.end('Connection interrupted'); - } else { - this.log('Unknown error, sending 500 to client'); - this.srcResponse.writeHead(500); - this.srcResponse.end('Internal error in proxy server'); - } - - // No need to call `this.close()` here, - // destruction is handled by `onSrcResponseFinish` - } - - getStats() { - return { - srcTxBytes: this.srcSocket ? this.srcSocket.bytesWritten : null, - srcRxBytes: this.srcSocket ? this.srcSocket.bytesRead : null, - trgTxBytes: this.trgSocket ? this.trgSocket.bytesWritten : null, - trgRxBytes: this.trgSocket ? this.trgSocket.bytesRead : null, - }; - } - - /** - * Detaches all listeners, destroys all sockets and emits the 'close' event. - */ - close() { - if (this.isClosed) return; - - this.log('Closing handler'); - this.isClosed = true; - - // Save stats before sockets are destroyed - const stats = this.getStats(); - - if (this.srcRequest) { - this.srcRequest.destroy(); - this.srcRequest = null; - } - - if (this.srcSocket) { - this.srcSocket.destroy(); - this.srcSocket = null; - } - - if (this.trgRequest) { - this.trgRequest.abort(); - this.trgRequest = null; - } - - if (this.trgSocket) { - this.trgSocket.destroy(); - this.trgSocket = null; - } - - this.emit('close', { stats }); - } -} diff --git a/src/handler_custom_response.js b/src/handler_custom_response.js deleted file mode 100644 index 7a1afafc..00000000 --- a/src/handler_custom_response.js +++ /dev/null @@ -1,62 +0,0 @@ -import _ from 'underscore'; -import HandlerBase from './handler_base'; - -/** - * Represents a proxied HTTP request for which the response is generated by custom user function. - * This is useful e.g. when providing access to external APIs via HTTP proxy interface. - */ -export default class HandlerCustomResponse extends HandlerBase { - constructor(options) { - super(options); - - this.customResponseFunction = options.customResponseFunction; - if (!this.customResponseFunction) throw new Error('The "customResponseFunction" option is required'); - } - - run() { - const reqOpts = this.trgParsed; - reqOpts.method = this.srcRequest.method; - reqOpts.headers = {}; - - Promise.resolve() - .then(() => { - return this.customResponseFunction(); - }) - .then((customResponse) => { - if (this.isClosed) return; - - if (!customResponse) { - throw new Error('The user-provided "customResponseFunction" must return an object.'); - } - - const statusCode = customResponse.statusCode || 200; - const length = customResponse.body ? customResponse.body.length : null; - - this.log(`Received custom user response (${statusCode}, length: ${length}, encoding: ${customResponse.encoding})`); - - // Forward custom response to source - this.srcGotResponse = true; - this.srcResponse.statusCode = statusCode; - - _.each(customResponse.headers, (value, key) => { - this.srcResponse.setHeader(key, value); - }); - - return new Promise((resolve, reject) => { - this.srcGotResponse = true; - this.srcResponse.end(customResponse.body, customResponse.encoding, (err) => { - if (err) return reject(err); - resolve(); - }); - }); - }) - .then(() => { - this.log('Custom response sent to source'); - }) - .catch((err) => { - if (this.isClosed) return; - this.log(`Custom response function failed: ${err.stack || err}`); - this.fail(err); - }); - } -} diff --git a/src/handler_forward.js b/src/handler_forward.js deleted file mode 100644 index bb5c6f0d..00000000 --- a/src/handler_forward.js +++ /dev/null @@ -1,197 +0,0 @@ -import http from 'http'; -import { - isHopByHopHeader, isInvalidHeader, addHeader, maybeAddProxyAuthorizationHeader, -} from './tools'; -import HandlerBase from './handler_base'; -import { RequestError } from './server'; - -/** - * Represents a proxied request to a HTTP server, either direct or via another upstream proxy. - */ -export default class HandlerForward extends HandlerBase { - constructor(options) { - super(options); - - this.bindHandlersToThis(['onTrgResponse', 'onTrgError']); - } - - run() { - const reqOpts = this.trgParsed; - reqOpts.method = this.srcRequest.method; - reqOpts.headers = {}; - - // TODO: - // - We should probably use a raw HTTP message via socket instead of http.request(), - // since Node transforms the headers to lower case and thus makes it easy to detect the proxy - // - The "Connection" header might define additional hop-by-hop headers that should be removed, - // see https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Connection - // - We should also add "Via" and "X-Forwarded-For" headers - // - Or, alternatively, we should make this proxy fully transparent - - let hostHeaderFound = false; - - for (let i = 0; i < this.srcRequest.rawHeaders.length; i += 2) { - const headerName = this.srcRequest.rawHeaders[i]; - const headerValue = this.srcRequest.rawHeaders[i + 1]; - - if (/^connection$/i.test(headerName) && /^keep-alive$/i.test(headerValue)) { - // Keep the "Connection: keep-alive" header, to reduce the chance that the server - // will detect we're not a browser and also to improve performance - } else if (isHopByHopHeader(headerName)) { - continue; - } else if (isInvalidHeader(headerName, headerValue)) { - continue; - } else if (/^host$/i.test(headerName)) { - // If Host header was used multiple times, only consider the first one. - // This is to prevent "TypeError: hostHeader.startsWith is not a function at calculateServerName (_http_agent.js:240:20)" - if (hostHeaderFound) continue; - hostHeaderFound = true; - } - - /* - if (!hasXForwardedFor && 'x-forwarded-for' === keyLower) { - // append to existing "X-Forwarded-For" header - // http://en.wikipedia.org/wiki/X-Forwarded-For - hasXForwardedFor = true; - value += ', ' + socket.remoteAddress; - debug.proxyRequest('appending to existing "%s" header: "%s"', key, value); - } - - if (!hasVia && 'via' === keyLower) { - // append to existing "Via" header - hasVia = true; - value += ', ' + via; - debug.proxyRequest('appending to existing "%s" header: "%s"', key, value); - } - */ - - addHeader(reqOpts.headers, headerName, headerValue); - } - - /* - // add "X-Forwarded-For" header if it's still not here by now - // http://en.wikipedia.org/wiki/X-Forwarded-For - if (!hasXForwardedFor) { - headers['X-Forwarded-For'] = socket.remoteAddress; - debug.proxyRequest('adding new "X-Forwarded-For" header: "%s"', headers['X-Forwarded-For']); - } - - // add "Via" header if still not set by now - if (!hasVia) { - headers.Via = via; - debug.proxyRequest('adding new "Via" header: "%s"', headers.Via); - } - - // custom `http.Agent` support, set `server.agent` - var agent = server.agent; - if (null != agent) { - debug.proxyRequest('setting custom `http.Agent` option for proxy request: %s', agent); - parsed.agent = agent; - agent = null; - } - */ - - // If desired, send the request via proxy - if (this.upstreamProxyUrlParsed) { - reqOpts.host = this.upstreamProxyUrlParsed.hostname; - reqOpts.hostname = reqOpts.host; - reqOpts.port = this.upstreamProxyUrlParsed.port; - - // HTTP requests to proxy contain the full URL in path, for example: - // "GET http://www.example.com HTTP/1.1\r\n" - // So we need to replicate it here - reqOpts.path = this.srcRequest.url; - - maybeAddProxyAuthorizationHeader(this.upstreamProxyUrlParsed, reqOpts.headers); - - this.log(`Connecting to upstream proxy ${reqOpts.host}:${reqOpts.port}`); - } else { - this.log(`Connecting to target ${reqOpts.host}`); - } - - // console.dir(requestOptions); - - this.trgRequest = http.request(reqOpts); - this.trgRequest.on('socket', this.onTrgSocket); - this.trgRequest.on('response', this.onTrgResponse); - this.trgRequest.on('error', this.onTrgError); - - // this.srcRequest.pipe(tee('to trg')).pipe(this.trgRequest); - this.srcRequest.pipe(this.trgRequest); - } - - onTrgResponse(response) { - if (this.isClosed) return; - this.log(`Received response from target (${response.statusCode})`); - - if (this.checkUpstreamProxy407(response)) return; - - // Prepare response headers - const headers = {}; - for (let i = 0; i < response.rawHeaders.length; i += 2) { - const name = response.rawHeaders[i]; - const value = response.rawHeaders[i + 1]; - - if (isHopByHopHeader(name)) continue; - if (isInvalidHeader(name, value)) continue; - - addHeader(headers, name, value); - } - - // Ensure status code is in the range accepted by Node, otherwise proxy will crash with - // "RangeError: Invalid status code: 0" (see writeHead in Node's _http_server.js) - // Fixes https://github.com/apify/proxy-chain/issues/35 - if (response.statusCode < 100 || response.statusCode > 999) { - this.fail(new RequestError(`Target server responded with an invalid HTTP status code (${response.statusCode})`, 500)); - return; - } - - this.srcGotResponse = true; - - // Note that sockets could be closed anytime, causing this.close() to be called too in above statements - // See https://github.com/apify/proxy-chain/issues/64 - if (this.isClosed) return; - - this.srcResponse.writeHead(response.statusCode, headers); - response.pipe(this.srcResponse); - - // Only detach on success, if there's an error - // it will be handled by `onTrgError` which calls `fail`, - // which forces the socket to disconnect. - response.once('end', () => { - this.detach(); - }); - } - - onTrgError(err) { - if (this.isClosed) return; - this.log(`Target socket failed: ${err.stack || err}`); - this.fail(err); - } - - /** - * @see https://github.com/apify/proxy-chain/issues/81 - * Detach removes all listeners registered by HandlerBase. - * Must be called when the handler finishes on success, - * in order to prevent event emitter memory leak. - */ - detach() { - if (this.isClosed) return; - - this.log('Closing handler (detach)'); - this.isClosed = true; - - // Save stats before sockets are destroyed - const stats = this.getStats(); - - this.srcSocket.off('end', this.onSrcSocketEnd); - this.srcSocket.off('close', this.onSrcSocketClose); - this.srcSocket.off('finish', this.onSrcSocketFinish); - this.srcSocket.off('error', this.onSrcSocketError); - - this.srcResponse.off('error', this.onSrcResponseError); - this.srcResponse.off('finish', this.onSrcResponseFinish); - - this.emit('close', { stats }); - } -} diff --git a/src/handler_tunnel_chain.js b/src/handler_tunnel_chain.js deleted file mode 100644 index 445fd389..00000000 --- a/src/handler_tunnel_chain.js +++ /dev/null @@ -1,116 +0,0 @@ -import http from 'http'; -import HandlerBase from './handler_base'; -import { maybeAddProxyAuthorizationHeader } from './tools'; - -/** - * Represents a connection from source client to an external proxy using HTTP CONNECT tunnel. - */ -export default class HandlerTunnelChain extends HandlerBase { - constructor(options) { - super(options); - - if (!this.upstreamProxyUrlParsed) throw new Error('The "upstreamProxyUrlParsed" option is required'); - - this.bindHandlersToThis(['onTrgRequestConnect', 'onTrgRequestAbort', 'onTrgRequestError']); - } - - run() { - this.log('Connecting to upstream proxy...'); - - this.targetHost = `${this.trgParsed.hostname}:${this.trgParsed.port}`; - - const options = { - method: 'CONNECT', - hostname: this.upstreamProxyUrlParsed.hostname, - port: this.upstreamProxyUrlParsed.port, - path: this.targetHost, - headers: { - Host: this.targetHost, - }, - }; - - maybeAddProxyAuthorizationHeader(this.upstreamProxyUrlParsed, options.headers); - - this.trgRequest = http.request(options); - - this.trgRequest.on('socket', this.onTrgSocket); - this.trgRequest.on('connect', this.onTrgRequestConnect); - this.trgRequest.on('abort', this.onTrgRequestAbort); - this.trgRequest.on('error', this.onTrgRequestError); - - // Send the data - this.trgRequest.end(); - } - - onTrgRequestConnect(response, socket, head) { - if (this.isClosed) return; - - this.log('Connected to upstream proxy'); - - // Attempt to fix https://github.com/apify/proxy-chain/issues/64, - // perhaps the 'connect' event might occur before 'socket' - if (!this.trgSocket) { - this.onTrgSocket(socket); - } - - if (this.checkUpstreamProxy407(response)) return; - - this.srcGotResponse = true; - this.srcResponse.removeListener('finish', this.onSrcResponseFinish); - this.srcResponse.writeHead(response.statusCode === 200 ? 200 : 502); - - this.emit('tunnelConnectResponded', { response, socket, head }); - - // HACK: force a flush of the HTTP header. This is to ensure 'head' is empty to avoid - // assert at https://github.com/request/tunnel-agent/blob/master/index.js#L160 - // See also https://github.com/nodejs/node/blob/master/lib/_http_outgoing.js#L217 - this.srcResponse._send(''); - - if (response.statusCode !== 200) { - this.log(`Failed to connect to ${this.targetHost} via ${this.upstreamProxyUrlParsed.hostname} (${response.statusCode})`); - - this.close(); - return; - } - - // It can happen that this.close() it called in the meanwhile, so this.srcSocket becomes null - // and the detachSocket() call below fails with "Cannot read property '_httpMessage' of null" - // See https://github.com/apify/proxy-chain/issues/63 - if (this.isClosed) return; - - // Relinquish control of the `socket` from the ServerResponse instance - this.srcResponse.detachSocket(this.srcSocket); - - // Nullify the ServerResponse object, so that it can be cleaned - // up before this socket proxying is completed - this.srcResponse = null; - - // Forward pre-parsed parts of the first packets (if any) - if (head && head.length > 0) { - this.srcSocket.write(head); - } - if (this.srcHead && this.srcHead.length > 0) { - this.trgSocket.write(this.srcHead); - } - - // Note that sockets could be closed anytime, causing this.close() to be called too in above statements - // See https://github.com/apify/proxy-chain/issues/64 - if (this.isClosed) return; - - // Setup bi-directional tunnel - this.trgSocket.pipe(this.srcSocket); - this.srcSocket.pipe(this.trgSocket); - } - - onTrgRequestAbort() { - if (this.isClosed) return; - this.log('Target aborted'); - this.close(); - } - - onTrgRequestError(err) { - if (this.isClosed) return; - this.log(`Target request failed: ${err.stack || err}`); - this.fail(err); - } -} diff --git a/src/handler_tunnel_direct.js b/src/handler_tunnel_direct.js deleted file mode 100644 index 926688bb..00000000 --- a/src/handler_tunnel_direct.js +++ /dev/null @@ -1,64 +0,0 @@ -import net from 'net'; -import HandlerBase from './handler_base'; - -/** - * Represents a proxied connection from source to the target HTTPS server. - */ -export default class HandlerTunnelDirect extends HandlerBase { - constructor(options) { - super(options); - - this.bindHandlersToThis(['onTrgSocketConnect']); - } - - run() { - this.log(`Connecting to target ${this.trgParsed.hostname}:${this.trgParsed.port}`); - - const socket = net.createConnection(this.trgParsed.port, this.trgParsed.hostname); - this.onTrgSocket(socket); - - socket.on('connect', this.onTrgSocketConnect); - } - - onTrgSocketConnect(response, socket, head) { - if (this.isClosed) return; - this.log('Connected'); - - this.srcGotResponse = true; - - this.srcResponse.removeListener('finish', this.onSrcResponseFinish); - this.srcResponse.writeHead(200, 'Connection Established'); - - // HACK: force a flush of the HTTP header. This is to ensure 'head' is empty to avoid - // assert at https://github.com/request/tunnel-agent/blob/master/index.js#L160 - // See also https://github.com/nodejs/node/blob/master/lib/_http_outgoing.js#L217 - this.srcResponse._send(''); - - // It can happen that this.close() it called in the meanwhile, so this.srcSocket becomes null - // and the detachSocket() call below fails with "Cannot read property '_httpMessage' of null" - // See https://github.com/apify/proxy-chain/issues/63 - if (this.isClosed) return; - - // Relinquish control of the socket from the ServerResponse instance - this.srcResponse.detachSocket(this.srcSocket); - - // ServerResponse is no longer needed - this.srcResponse = null; - - // Forward pre-parsed parts of the first packets (if any) - if (head && head.length > 0) { - this.srcSocket.write(head); - } - if (this.srcHead && this.srcHead.length > 0) { - this.trgSocket.write(this.srcHead); - } - - // Note that sockets could be closed anytime, causing this.close() to be called too in above statements - // See https://github.com/apify/proxy-chain/issues/64 - if (this.isClosed) return; - - // Setup bi-directional tunnel - this.trgSocket.pipe(this.srcSocket); - this.srcSocket.pipe(this.trgSocket); - } -} diff --git a/src/index.js b/src/index.js deleted file mode 100644 index 6ec829ae..00000000 --- a/src/index.js +++ /dev/null @@ -1,20 +0,0 @@ -import { Server, RequestError } from './server'; -import { parseUrl, redactUrl, redactParsedUrl } from './tools'; -import { anonymizeProxy, closeAnonymizedProxy, listenConnectAnonymizedProxy } from './anonymize_proxy'; -import { createTunnel, closeTunnel } from './tcp_tunnel_tools'; - -// Publicly exported functions and classes -const ProxyChain = { - Server, - RequestError, - parseUrl, - redactUrl, - redactParsedUrl, - anonymizeProxy, - closeAnonymizedProxy, - listenConnectAnonymizedProxy, - createTunnel, - closeTunnel, -}; - -module.exports = ProxyChain; diff --git a/src/index.ts b/src/index.ts new file mode 100644 index 00000000..d9d4c4e0 --- /dev/null +++ b/src/index.ts @@ -0,0 +1,5 @@ +export { RequestError } from './request_error'; +export { Server } from './server'; +export { redactUrl } from './utils/redact_url'; +export { anonymizeProxy, closeAnonymizedProxy, listenConnectAnonymizedProxy } from './anonymize_proxy'; +export { createTunnel, closeTunnel } from './tcp_tunnel_tools'; diff --git a/src/request_error.ts b/src/request_error.ts new file mode 100644 index 00000000..d6044aee --- /dev/null +++ b/src/request_error.ts @@ -0,0 +1,20 @@ +/** + * Represents custom request error. The message is emitted as HTTP response + * with a specific HTTP code and headers. + * If this error is thrown from the `prepareRequestFunction` function, + * the message and status code is sent to client. + * By default, the response will have Content-Type: text/plain + * and for the 407 status the Proxy-Authenticate header will be added. + */ +export class RequestError extends Error { + constructor( + message: string, + public statusCode: number, + public headers?: Record, + ) { + super(message); + this.name = RequestError.name; + + Error.captureStackTrace(this, RequestError); + } +} diff --git a/src/server.js b/src/server.js deleted file mode 100644 index 39a72cb0..00000000 --- a/src/server.js +++ /dev/null @@ -1,539 +0,0 @@ -import http from 'http'; -import util from 'util'; -import EventEmitter from 'events'; -import _ from 'underscore'; -import { - parseHostHeader, parseProxyAuthorizationHeader, parseUrl, redactParsedUrl, nodeify, -} from './tools'; -import HandlerForward from './handler_forward'; -import HandlerTunnelDirect from './handler_tunnel_direct'; -import HandlerTunnelChain from './handler_tunnel_chain'; -import HandlerCustomResponse from './handler_custom_response'; - -// TODO: -// - Fail gracefully if target proxy fails (invalid credentials or non-existent) -// - Implement this requirement from rfc7230 -// "A proxy MUST forward unrecognized header fields unless the field-name -// is listed in the Connection header field (Section 6.1) or the proxy -// is specifically configured to block, or otherwise transform, such -// fields. Other recipients SHOULD ignore unrecognized header fields. -// These requirements allow HTTP's functionality to be enhanced without -// requiring prior update of deployed intermediaries." -// - Add param to prepareRequestFunction() that would allow the caller to kill a connection - -// TODO: -// - Use connection pooling and maybe other stuff from: -// https://github.com/request/tunnel-agent/blob/master/index.js -// https://github.com/request/request/blob/master/lib/tunnel.js - -const DEFAULT_AUTH_REALM = 'ProxyChain'; -const DEFAULT_PROXY_SERVER_PORT = 8000; -const DEFAULT_TARGET_PORT = 80; - -const REQUEST_ERROR_NAME = 'RequestError'; - -/** - * Represents custom request error. The message is emitted as HTTP response - * with a specific HTTP code and headers. - * If this error is thrown from the `prepareRequestFunction` function, - * the message and status code is sent to client. - * By default, the response will have Content-Type: text/plain - * and for the 407 status the Proxy-Authenticate header will be added. - */ -export class RequestError extends Error { - constructor(message, statusCode, headers) { - super(message); - this.name = REQUEST_ERROR_NAME; - this.statusCode = statusCode; - this.headers = headers; - - Error.captureStackTrace(this, RequestError); - } -} - -/** - * Represents the proxy server. - * It emits the 'requestFailed' event on unexpected request errors, with the following parameter `{ error, request }`. - * It emits the 'connectionClosed' event when connection to proxy server is closed, with parameter `{ connectionId, stats }`. - */ -export class Server extends EventEmitter { - /** - * Initializes a new instance of Server class. - * @param options - * @param [options.port] Port where the server will listen. By default 8000. - * @param [options.prepareRequestFunction] Custom function to authenticate proxy requests, - * provide URL to chained upstream proxy or potentially provide function that generates a custom response to HTTP requests. - * It accepts a single parameter which is an object: - * ```{ - * connectionId: Number, - * request: Object, - * username: String, - * password: String, - * hostname: String, - * port: Number, - * isHttp: Boolean - * }``` - * and returns an object (or promise resolving to the object) with following form: - * ```{ - * requestAuthentication: Boolean, - * upstreamProxyUrl: String, - * customResponseFunction: Function - * }``` - * If `upstreamProxyUrl` is false-ish value, no upstream proxy is used. - * If `prepareRequestFunction` is not set, the proxy server will not require any authentication - * and will not use any upstream proxy. - * If `customResponseFunction` is set, it will be called to generate a custom response to the HTTP request. - * It should not be used together with `upstreamProxyUrl`. - * @param [options.authRealm] Realm used in the Proxy-Authenticate header and also in the 'Server' HTTP header. By default it's `ProxyChain`. - * @param [options.verbose] If true, the server logs - */ - constructor(options) { - super(); - - options = options || {}; - - if (options.port === undefined || options.port === null) { - this.port = DEFAULT_PROXY_SERVER_PORT; - } else { - this.port = options.port; - } - this.prepareRequestFunction = options.prepareRequestFunction; - this.authRealm = options.authRealm || DEFAULT_AUTH_REALM; - this.verbose = !!options.verbose; - - // Key is handler ID, value is HandlerXxx instance - this.handlers = {}; - this.lastHandlerId = 0; - - this.server = http.createServer(); - this.server.on('clientError', this.onClientError.bind(this)); - this.server.on('request', this.onRequest.bind(this)); - this.server.on('connect', this.onConnect.bind(this)); - this.server.on('connection', this.onConnection.bind(this)); - - this.stats = { - httpRequestCount: 0, - connectRequestCount: 0, - }; - } - - log(handlerId, str) { - if (this.verbose) { - const logPrefix = handlerId ? `${handlerId} | ` : ''; - console.log(`ProxyServer[${this.port}]: ${logPrefix}${str}`); - } - } - - onClientError(err, socket) { - this.log(null, `onClientError: ${err}`); - this.sendResponse(socket, 400, null, 'Invalid request'); - } - - /** - * Handles incoming sockets, useful for error handling - */ - onConnection(socket) { - // We need to consume socket errors, otherwise they could crash the entire process. - // See https://github.com/apify/proxy-chain/issues/53 - socket.on('error', (err) => { - // Handle errors only if there's no other handler - if (this.listenerCount('error') === 1) { - this.log(handlerOpts.id, `Source socket emitted error: ${err.stack || err}`); - } - }); - } - - /** - * Handles normal HTTP request by forwarding it to target host or the upstream proxy. - */ - onRequest(request, response) { - let handlerOpts; - this.prepareRequestHandling(request) - .then((result) => { - handlerOpts = result; - handlerOpts.srcResponse = response; - - let handler; - if (handlerOpts.customResponseFunction) { - this.log(handlerOpts.id, 'Using HandlerCustomResponse'); - handler = new HandlerCustomResponse(handlerOpts); - } else { - this.log(handlerOpts.id, 'Using HandlerForward'); - handler = new HandlerForward(handlerOpts); - } - - this.handlerRun(handler); - }) - .catch((err) => { - this.failRequest(request, err, handlerOpts); - }); - } - - /** - * Handles HTTP CONNECT request by setting up a tunnel either to target host or to the upstream proxy. - * @param request - * @param socket - * @param head The first packet of the tunneling stream (may be empty) - */ - onConnect(request, socket, head) { - let handlerOpts; - this.prepareRequestHandling(request) - .then((result) => { - handlerOpts = result; - handlerOpts.srcHead = head; - - let handler; - if (handlerOpts.upstreamProxyUrlParsed) { - this.log(handlerOpts.id, 'Using HandlerTunnelChain'); - handler = new HandlerTunnelChain(handlerOpts); - } else { - this.log(handlerOpts.id, 'Using HandlerTunnelDirect'); - handler = new HandlerTunnelDirect(handlerOpts); - } - - this.handlerRun(handler); - }) - .catch((err) => { - this.failRequest(request, err, handlerOpts); - }); - } - - /** - * Authenticates a new request and determines upstream proxy URL using the user function. - * Returns a promise resolving to an object that can be passed to construcot of one of the HandlerXxx classes. - * @param request - */ - prepareRequestHandling(request) { - // console.log('XXX prepareRequestHandling'); - // console.dir(_.pick(request, 'url', 'method')); - // console.dir(url.parse(request.url)); - - const handlerOpts = { - server: this, - id: ++this.lastHandlerId, - srcRequest: request, - srcHead: null, - trgParsed: null, - upstreamProxyUrlParsed: null, - }; - - this.log(handlerOpts.id, `!!! Handling ${request.method} ${request.url} HTTP/${request.httpVersion}`); - - const { socket } = request; - let isHttp = false; - - return Promise.resolve() - .then(() => { - // console.dir(_.pick(request, 'url', 'headers', 'method')); - // Determine target hostname and port - if (request.method === 'CONNECT') { - // The request should look like: - // CONNECT server.example.com:80 HTTP/1.1 - // Note that request.url contains the "server.example.com:80" part - handlerOpts.trgParsed = parseHostHeader(request.url); - - // If srcRequest.url does not match the regexp tools.HOST_HEADER_REGEX - // or the url is too long it will not be parsed so we throw error here. - if (!handlerOpts.trgParsed) { - throw new RequestError(`Target "${request.url}" could not be parsed`, 400); - } - - this.stats.connectRequestCount++; - } else { - // The request should look like: - // GET http://server.example.com:80/some-path HTTP/1.1 - // Note that RFC 7230 says: - // "When making a request to a proxy, other than a CONNECT or server-wide - // OPTIONS request (as detailed below), a client MUST send the target - // URI in absolute-form as the request-target" - - let parsed; - try { - parsed = parseUrl(request.url); - } catch (e) { - // If URL is invalid, throw HTTP 400 error - throw new RequestError(`Target "${request.url}" could not be parsed`, 400); - } - // If srcRequest.url is something like '/some-path', this is most likely a normal HTTP request - if (!parsed.protocol) { - throw new RequestError('Hey, good try, but I\'m a HTTP proxy, not your ordinary web server :)', 400); - } - // Only HTTP is supported, other protocols such as HTTP or FTP must use the CONNECT method - if (parsed.protocol !== 'http:') { - throw new RequestError(`Only HTTP protocol is supported (was ${parsed.protocol})`, 400); - } - - handlerOpts.trgParsed = parsed; - isHttp = true; - - this.stats.httpRequestCount++; - } - - handlerOpts.trgParsed.port = handlerOpts.trgParsed.port || DEFAULT_TARGET_PORT; - - // Authenticate the request using a user function (if provided) - if (!this.prepareRequestFunction) return { requestAuthentication: false, upstreamProxyUrlParsed: null }; - - // Pause the socket so that no data is lost - socket.pause(); - - const funcOpts = { - connectionId: handlerOpts.id, - request, - username: null, - password: null, - hostname: handlerOpts.trgParsed.hostname, - port: handlerOpts.trgParsed.port, - isHttp, - }; - - const proxyAuth = request.headers['proxy-authorization']; - if (proxyAuth) { - const auth = parseProxyAuthorizationHeader(proxyAuth); - if (!auth) { - throw new RequestError('Invalid "Proxy-Authorization" header', 400); - } - if (auth.type !== 'Basic') { - throw new RequestError('The "Proxy-Authorization" header must have the "Basic" type.', 400); - } - funcOpts.username = auth.username; - funcOpts.password = auth.password; - } - - // User function returns a result directly or a promise - return this.prepareRequestFunction(funcOpts); - }) - .then((funcResult) => { - // If not authenticated, request client to authenticate - if (funcResult && funcResult.requestAuthentication) { - throw new RequestError(funcResult.failMsg || 'Proxy credentials required.', 407); - } - - if (funcResult && funcResult.upstreamProxyUrl) { - try { - handlerOpts.upstreamProxyUrlParsed = parseUrl(funcResult.upstreamProxyUrl); - } catch (e) { - throw new Error(`Invalid "upstreamProxyUrl" provided: ${e} (was "${funcResult.upstreamProxyUrl}"`); - } - - if (!handlerOpts.upstreamProxyUrlParsed.hostname || !handlerOpts.upstreamProxyUrlParsed.port) { - throw new Error(`Invalid "upstreamProxyUrl" provided: URL must have hostname and port (was "${funcResult.upstreamProxyUrl}")`); // eslint-disable-line max-len - } - if (handlerOpts.upstreamProxyUrlParsed.protocol !== 'http:') { - throw new Error(`Invalid "upstreamProxyUrl" provided: URL must have the "http" protocol (was "${funcResult.upstreamProxyUrl}")`); // eslint-disable-line max-len - } - if (/:/.test(handlerOpts.upstreamProxyUrlParsed.username)) { - throw new Error('Invalid "upstreamProxyUrl" provided: The username cannot contain the colon (:) character according to RFC 7617.'); // eslint-disable-line max-len - } - } - - if (funcResult && funcResult.customResponseFunction) { - this.log(handlerOpts.id, 'Using custom response function'); - handlerOpts.customResponseFunction = funcResult.customResponseFunction; - if (!isHttp) { - throw new Error('The "customResponseFunction" option can only be used for HTTP requests.'); - } - if (typeof (handlerOpts.customResponseFunction) !== 'function') { - throw new Error('The "customResponseFunction" option must be a function.'); - } - } - - if (handlerOpts.upstreamProxyUrlParsed) { - this.log(handlerOpts.id, `Using upstream proxy ${redactParsedUrl(handlerOpts.upstreamProxyUrlParsed)}`); - } - - return handlerOpts; - }) - .finally(() => { - if (this.prepareRequestFunction) socket.resume(); - }); - } - - handlerRun(handler) { - this.handlers[handler.id] = handler; - - handler.once('close', ({ stats }) => { - this.emit('connectionClosed', { - connectionId: handler.id, - stats, - }); - delete this.handlers[handler.id]; - this.log(handler.id, '!!! Closed and removed from server'); - }); - - handler.once('tunnelConnectResponded', ({ response, socket, head }) => { - this.emit('tunnelConnectResponded', { - connectionId: handler.id, - response, - socket, - head, - }); - }); - - handler.run(); - } - - /** - * Sends a HTTP error response to the client. - * @param request - * @param err - */ - failRequest(request, err, handlerOpts) { - const handlerId = handlerOpts ? handlerOpts.id : null; - - if (err.name === REQUEST_ERROR_NAME) { - this.log(handlerId, `Request failed (status ${err.statusCode}): ${err.message}`); - this.sendResponse(request.socket, err.statusCode, err.headers, err.message); - } else { - this.log(handlerId, `Request failed with unknown error: ${err.stack || err}`); - this.sendResponse(request.socket, 500, null, 'Internal error in proxy server'); - this.emit('requestFailed', { error: err, request }); - } - - // Emit 'connectionClosed' event if request failed and connection was already reported - if (handlerOpts) { - this.log(handlerId, 'Closed because request failed with error'); - this.emit('connectionClosed', { - connectionId: handlerOpts.id, - stats: { srcTxBytes: 0, srcRxBytes: 0 }, - }); - } - } - - /** - * Sends a simple HTTP response to the client and forcibly closes the connection. - * @param socket - * @param statusCode - * @param headers - * @param message - */ - sendResponse(socket, statusCode, headers, message) { - try { - headers = headers || {}; - - // TODO: We should use fully case-insensitive lookup here! - if (!headers['Content-Type'] && !headers['content-type']) { - headers['Content-Type'] = 'text/plain; charset=utf-8'; - } - if (statusCode === 407 && !headers['Proxy-Authenticate'] && !headers['proxy-authenticate']) { - headers['Proxy-Authenticate'] = `Basic realm="${this.authRealm}"`; - } - if (!headers.Server) { - headers.Server = this.authRealm; - } - // These headers are required by e.g. PhantomJS, otherwise the connection would time out! - if (!headers.Connection) { - headers.Connection = 'close'; - } - if (!headers['Content-Length'] && !headers['content-length']) { - headers['Content-Length'] = Buffer.byteLength(message); - } - - let msg = `HTTP/1.1 ${statusCode} ${http.STATUS_CODES[statusCode]}\r\n`; - _.each(headers, (value, key) => { - msg += `${key}: ${value}\r\n`; - }); - msg += `\r\n${message}`; - - // console.log("RESPONSE:\n" + msg); - - socket.write(msg, () => { - socket.end(); - - // Unfortunately calling end() will not close the socket if client refuses to close it. - // Hence calling destroy after a short while. One second should be more than enough - // to send out this small amount data. - setTimeout(() => { - socket.destroy(); - }, 1000); - }); - } catch (err) { - this.log(null, `Unhandled error in sendResponse(), will be ignored: ${err.stack || err}`); - } - } - - /** - * Starts listening at a port specified in the constructor. - * @param callback Optional callback - * @return {(Promise|undefined)} - */ - listen(callback) { - const promise = new Promise((resolve, reject) => { - // Unfortunately server.listen() is not a normal function that fails on error, - // so we need this trickery - const onError = (err) => { - this.log(null, `Listen failed: ${err}`); - removeListeners(); - reject(err); - }; - const onListening = () => { - this.port = this.server.address().port; - this.log(null, 'Listening...'); - removeListeners(); - resolve(); - }; - const removeListeners = () => { - this.server.removeListener('error', onError); - this.server.removeListener('listening', onListening); - }; - - this.server.on('error', onError); - this.server.on('listening', onListening); - this.server.listen(this.port); - }); - - return nodeify(promise, callback); - } - - /** - * Gets array of IDs of all active connections. - * @returns {*} - */ - getConnectionIds() { - return _.keys(this.handlers); - } - - /** - * Gets data transfer statistics of a specific proxy connection. - * @param {Number} connectionId ID of the connection handler. - * It is passed to `prepareRequestFunction` function. - * @return {Object} An object with statistics { srcTxBytes, srcRxBytes, trgTxBytes, trgRxBytes }, - * or null if connection does not exist or has been closed. - */ - getConnectionStats(connectionId) { - const handler = this.handlers && this.handlers[connectionId]; - if (!handler) return undefined; - - return handler.getStats(); - } - - /** - * Closes the proxy server. - * @param [closeConnections] If true, then all the pending connections from clients - * to targets and upstream proxies will be forcibly aborted. - * @param callback - */ - close(closeConnections, callback) { - if (typeof (closeConnections) === 'function') { - callback = closeConnections; - closeConnections = false; - } - - if (closeConnections) { - this.log(null, 'Closing pending handlers'); - let count = 0; - _.each(this.handlers, (handler) => { - count++; - handler.close(); - }); - this.log(null, `Destroyed ${count} pending handlers`); - } - - if (this.server) { - const { server } = this; - this.server = null; - const promise = util.promisify(server.close).bind(server)(); - return nodeify(promise, callback); - } - } -} diff --git a/src/server.ts b/src/server.ts new file mode 100644 index 00000000..6587ae31 --- /dev/null +++ b/src/server.ts @@ -0,0 +1,599 @@ +import net from 'net'; +import http from 'http'; +import util from 'util'; +import { URL } from 'url'; +import { EventEmitter } from 'events'; +import { Buffer } from 'buffer'; +import { parseAuthorizationHeader } from './utils/parse_authorization_header'; +import { redactUrl } from './utils/redact_url'; +import { nodeify } from './utils/nodeify'; +import { getTargetStats } from './utils/count_target_bytes'; +import { RequestError } from './request_error'; +import { chain, HandlerOpts as ChainOpts } from './chain'; +import { forward, HandlerOpts as ForwardOpts } from './forward'; +import { direct } from './direct'; +import { handleCustomResponse, HandlerOpts as CustomResponseOpts } from './custom_response'; +import { Socket } from './socket'; + +// TODO: +// - Implement this requirement from rfc7230 +// "A proxy MUST forward unrecognized header fields unless the field-name +// is listed in the Connection header field (Section 6.1) or the proxy +// is specifically configured to block, or otherwise transform, such +// fields. Other recipients SHOULD ignore unrecognized header fields. +// These requirements allow HTTP's functionality to be enhanced without +// requiring prior update of deployed intermediaries." + +const DEFAULT_AUTH_REALM = 'ProxyChain'; +const DEFAULT_PROXY_SERVER_PORT = 8000; + +type ConnectionStats = { + srcTxBytes: number; + srcRxBytes: number; + trgTxBytes: number | null; + trgRxBytes: number | null; +}; + +type HandlerOpts = { + server: Server; + id: number; + srcRequest: http.IncomingMessage; + srcResponse: http.ServerResponse | null; + srcHead: Buffer | null; + trgParsed: URL | null; + upstreamProxyUrlParsed: URL | null; + isHttp: boolean; + customResponseFunction: CustomResponseOpts['customResponseFunction'] | null; + localAddress?: string; +}; + +type PrepareRequestFunctionOpts = { + connectionId: unknown; + request: http.IncomingMessage; + username: string; + password: string; + hostname: string; + port: string; + isHttp: boolean; +}; + +type PrepareRequestFunctionResult = { + customResponseFunction?: CustomResponseOpts['customResponseFunction']; + requestAuthentication?: boolean; + failMsg?: string; + upstreamProxyUrl?: string | null; + localAddress?: string; +}; + +type Promisable = T | Promise; +type PrepareRequestFunction = (opts: PrepareRequestFunctionOpts) => Promisable; + +/** + * Represents the proxy server. + * It emits the 'requestFailed' event on unexpected request errors, with the following parameter `{ error, request }`. + * It emits the 'connectionClosed' event when connection to proxy server is closed, with parameter `{ connectionId, stats }`. + */ +export class Server extends EventEmitter { + port: number; + + prepareRequestFunction?: PrepareRequestFunction; + + authRealm: unknown; + + verbose: boolean; + + server: http.Server; + + lastHandlerId: number; + + stats: { httpRequestCount: number; connectRequestCount: number; }; + + connections: Map; + + /** + * Initializes a new instance of Server class. + * @param options + * @param [options.port] Port where the server will listen. By default 8000. + * @param [options.prepareRequestFunction] Custom function to authenticate proxy requests, + * provide URL to upstream proxy or potentially provide a function that generates a custom response to HTTP requests. + * It accepts a single parameter which is an object: + * ``` + * { + * connectionId: symbol, + * request: http.IncomingMessage, + * username: string, + * password: string, + * hostname: string, + * port: number, + * isHttp: boolean, + * } + * ``` + * and returns an object (or promise resolving to the object) with following form: + * ``` + * { + * requestAuthentication: boolean, + * upstreamProxyUrl: string, + * customResponseFunction: Function, + * } + * ``` + * If `upstreamProxyUrl` is a falsy value, no upstream proxy is used. + * If `prepareRequestFunction` is not set, the proxy server will not require any authentication + * and will not use any upstream proxy. + * If `customResponseFunction` is set, it will be called to generate a custom response to the HTTP request. + * It should not be used together with `upstreamProxyUrl`. + * @param [options.authRealm] Realm used in the Proxy-Authenticate header and also in the 'Server' HTTP header. By default it's `ProxyChain`. + * @param [options.verbose] If true, the server will output logs + */ + constructor(options: { + port?: number, + prepareRequestFunction?: PrepareRequestFunction, + verbose?: boolean, + authRealm?: unknown, + } = {}) { + super(); + + if (options.port === undefined || options.port === null) { + this.port = DEFAULT_PROXY_SERVER_PORT; + } else { + this.port = options.port; + } + + this.prepareRequestFunction = options.prepareRequestFunction; + this.authRealm = options.authRealm || DEFAULT_AUTH_REALM; + this.verbose = !!options.verbose; + + this.server = http.createServer(); + this.server.on('clientError', this.onClientError.bind(this)); + this.server.on('request', this.onRequest.bind(this)); + this.server.on('connect', this.onConnect.bind(this)); + this.server.on('connection', this.onConnection.bind(this)); + + this.lastHandlerId = 0; + this.stats = { + httpRequestCount: 0, + connectRequestCount: 0, + }; + + this.connections = new Map(); + } + + log(connectionId: unknown, str: string): void { + if (this.verbose) { + const logPrefix = connectionId ? `${connectionId} | ` : ''; + console.log(`ProxyServer[${this.port}]: ${logPrefix}${str}`); + } + } + + onClientError(err: NodeJS.ErrnoException, socket: Socket): void { + this.log(socket.proxyChainId, `onClientError: ${err}`); + + // https://nodejs.org/api/http.html#http_event_clienterror + if (err.code === 'ECONNRESET' || !socket.writable) { + return; + } + + this.sendSocketResponse(socket, 400, {}, 'Invalid request'); + } + + /** + * Assigns a unique ID to the socket and keeps the register up to date. + * Needed for abrupt close of the server. + */ + registerConnection(socket: Socket): void { + const weakId = Math.random().toString(36).slice(2); + const unique = Symbol(weakId); + + socket.proxyChainId = unique; + this.connections.set(unique, socket); + + socket.on('close', () => { + this.emit('connectionClosed', { + connectionId: unique, + stats: this.getConnectionStats(unique), + }); + + this.connections.delete(unique); + }); + } + + /** + * Handles incoming sockets, useful for error handling + */ + onConnection(socket: Socket): void { + this.registerConnection(socket); + + // We need to consume socket errors, because the handlers are attached asynchronously. + // See https://github.com/apify/proxy-chain/issues/53 + socket.on('error', (err) => { + // Handle errors only if there's no other handler + if (this.listenerCount('error') === 1) { + this.log(socket.proxyChainId, `Source socket emitted error: ${err.stack || err}`); + } + }); + } + + /** + * Converts known errors to be instance of RequestError. + */ + normalizeHandlerError(error: NodeJS.ErrnoException): NodeJS.ErrnoException { + if (error.message === 'Username contains an invalid colon') { + return new RequestError('Invalid colon in username in upstream proxy credentials', 502); + } + + if (error.message === '407 Proxy Authentication Required') { + return new RequestError('Invalid upstream proxy credentials', 502); + } + + if (error.code === 'ENOTFOUND') { + if ((error as any).proxy) { + return new RequestError('Failed to connect to upstream proxy', 502); + } + + return new RequestError('Target website does not exist', 404); + } + + return error; + } + + /** + * Handles normal HTTP request by forwarding it to target host or the upstream proxy. + */ + async onRequest(request: http.IncomingMessage, response: http.ServerResponse): Promise { + try { + const handlerOpts = await this.prepareRequestHandling(request); + handlerOpts.srcResponse = response; + + const { proxyChainId } = request.socket as Socket; + + if (handlerOpts.customResponseFunction) { + this.log(proxyChainId, 'Using HandlerCustomResponse'); + return await handleCustomResponse(request, response, handlerOpts as CustomResponseOpts); + } + + this.log(proxyChainId, 'Using forward'); + return await forward(request, response, handlerOpts as ForwardOpts); + } catch (error) { + this.failRequest(request, this.normalizeHandlerError(error as NodeJS.ErrnoException)); + } + } + + /** + * Handles HTTP CONNECT request by setting up a tunnel either to target host or to the upstream proxy. + * @param request + * @param socket + * @param head The first packet of the tunneling stream (may be empty) + */ + async onConnect(request: http.IncomingMessage, socket: Socket, head: Buffer): Promise { + try { + const handlerOpts = await this.prepareRequestHandling(request); + handlerOpts.srcHead = head; + + const data = { request, sourceSocket: socket, head, handlerOpts: handlerOpts as ChainOpts, server: this, isPlain: false }; + + if (handlerOpts.upstreamProxyUrlParsed) { + this.log(socket.proxyChainId, `Using HandlerTunnelChain => ${request.url}`); + return await chain(data); + } + + this.log(socket.proxyChainId, `Using HandlerTunnelDirect => ${request.url}`); + return await direct(data); + } catch (error) { + this.failRequest(request, this.normalizeHandlerError(error as NodeJS.ErrnoException)); + } + } + + /** + * Prepares handler options from a request. + * @see {prepareRequestHandling} + */ + getHandlerOpts(request: http.IncomingMessage): HandlerOpts { + const handlerOpts: HandlerOpts = { + server: this, + id: ++this.lastHandlerId, + srcRequest: request, + srcHead: null, + trgParsed: null, + upstreamProxyUrlParsed: null, + isHttp: false, + srcResponse: null, + customResponseFunction: null, + }; + + this.log((request.socket as Socket).proxyChainId, `!!! Handling ${request.method} ${request.url} HTTP/${request.httpVersion}`); + + if (request.method === 'CONNECT') { + // CONNECT server.example.com:80 HTTP/1.1 + handlerOpts.trgParsed = new URL(`connect://${request.url}`); + + if (!handlerOpts.trgParsed.hostname || !handlerOpts.trgParsed.port) { + throw new RequestError(`Target "${request.url}" could not be parsed`, 400); + } + + this.stats.connectRequestCount++; + } else { + // The request should look like: + // GET http://server.example.com:80/some-path HTTP/1.1 + // Note that RFC 7230 says: + // "When making a request to a proxy, other than a CONNECT or server-wide + // OPTIONS request (as detailed below), a client MUST send the target + // URI in absolute-form as the request-target" + + let parsed; + try { + parsed = new URL(request.url!); + } catch (error) { + // If URL is invalid, throw HTTP 400 error + throw new RequestError(`Target "${request.url}" could not be parsed`, 400); + } + + // Only HTTP is supported, other protocols such as HTTP or FTP must use the CONNECT method + if (parsed.protocol !== 'http:') { + throw new RequestError(`Only HTTP protocol is supported (was ${parsed.protocol})`, 400); + } + + handlerOpts.trgParsed = parsed; + handlerOpts.isHttp = true; + + this.stats.httpRequestCount++; + } + + return handlerOpts; + } + + /** + * Calls `this.prepareRequestFunction` with normalized options. + * @param request + * @param handlerOpts + */ + async callPrepareRequestFunction(request: http.IncomingMessage, handlerOpts: HandlerOpts): Promise { + // Authenticate the request using a user function (if provided) + if (this.prepareRequestFunction) { + const funcOpts: PrepareRequestFunctionOpts = { + connectionId: (request.socket as Socket).proxyChainId, + request, + username: '', + password: '', + hostname: handlerOpts.trgParsed!.hostname, + port: handlerOpts.trgParsed!.port, + isHttp: handlerOpts.isHttp, + }; + + const proxyAuth = request.headers['proxy-authorization']; + if (proxyAuth) { + const auth = parseAuthorizationHeader(proxyAuth); + + if (!auth) { + throw new RequestError('Invalid "Proxy-Authorization" header', 400); + } + + if (auth.type !== 'Basic') { + throw new RequestError('The "Proxy-Authorization" header must have the "Basic" type.', 400); + } + + funcOpts.username = auth.username!; + funcOpts.password = auth.password!; + } + + const result = await this.prepareRequestFunction(funcOpts); + return result ?? {}; + } + + return {}; + } + + /** + * Authenticates a new request and determines upstream proxy URL using the user function. + * Returns a promise resolving to an object that can be used to run a handler. + * @param request + */ + async prepareRequestHandling(request: http.IncomingMessage): Promise { + const handlerOpts = this.getHandlerOpts(request); + const funcResult = await this.callPrepareRequestFunction(request, handlerOpts); + + handlerOpts.localAddress = funcResult.localAddress; + + // If not authenticated, request client to authenticate + if (funcResult.requestAuthentication) { + throw new RequestError(funcResult.failMsg || 'Proxy credentials required.', 407); + } + + if (funcResult.upstreamProxyUrl) { + try { + handlerOpts.upstreamProxyUrlParsed = new URL(funcResult.upstreamProxyUrl); + } catch (error) { + throw new Error(`Invalid "upstreamProxyUrl" provided: ${error} (was "${funcResult.upstreamProxyUrl}"`); + } + + if (handlerOpts.upstreamProxyUrlParsed.protocol !== 'http:') { + // eslint-disable-next-line max-len + throw new Error(`Invalid "upstreamProxyUrl" provided: URL must have the "http" protocol (was "${funcResult.upstreamProxyUrl}")`); + } + } + + const { proxyChainId } = request.socket as Socket; + + if (funcResult.customResponseFunction) { + this.log(proxyChainId, 'Using custom response function'); + + handlerOpts.customResponseFunction = funcResult.customResponseFunction; + + if (!handlerOpts.isHttp) { + throw new Error('The "customResponseFunction" option can only be used for HTTP requests.'); + } + + if (typeof (handlerOpts.customResponseFunction) !== 'function') { + throw new Error('The "customResponseFunction" option must be a function.'); + } + } + + if (handlerOpts.upstreamProxyUrlParsed) { + this.log(proxyChainId, `Using upstream proxy ${redactUrl(handlerOpts.upstreamProxyUrlParsed)}`); + } + + return handlerOpts; + } + + /** + * Sends a HTTP error response to the client. + * @param request + * @param error + */ + failRequest(request: http.IncomingMessage, error: NodeJS.ErrnoException): void { + const { proxyChainId } = request.socket as Socket; + + if (error.name === 'RequestError') { + const typedError = error as RequestError; + + this.log(proxyChainId, `Request failed (status ${typedError.statusCode}): ${error.message}`); + this.sendSocketResponse(request.socket, typedError.statusCode, typedError.headers, error.message); + } else { + this.log(proxyChainId, `Request failed with error: ${error.stack || error}`); + this.sendSocketResponse(request.socket, 500, {}, 'Internal error in proxy server'); + this.emit('requestFailed', { error, request }); + } + + // Emit 'connectionClosed' event if request failed and connection was already reported + this.log(proxyChainId, 'Closed because request failed with error'); + } + + /** + * Sends a simple HTTP response to the client and forcibly closes the connection. + * This invalidates the ServerResponse instance (if present). + * We don't know the state of the response anyway. + * Writing directly to the socket seems to be the easiest solution. + * @param socket + * @param statusCode + * @param headers + * @param message + */ + sendSocketResponse(socket: Socket, statusCode = 500, caseSensitiveHeaders = {}, message = ''): void { + try { + const headers = Object.fromEntries( + Object.entries(caseSensitiveHeaders).map( + ([name, value]) => [name.toLowerCase(), value], + ), + ); + + headers.connection = 'close'; + headers.date = (new Date()).toUTCString(); + headers['content-length'] = String(Buffer.byteLength(message)); + + // TODO: we should use ??= here + headers.server = headers.server || this.authRealm; + headers['content-type'] = headers['content-type'] || 'text/plain; charset=utf-8'; + + if (statusCode === 407 && !headers['proxy-authenticate']) { + headers['proxy-authenticate'] = `Basic realm="${this.authRealm}"`; + } + + let msg = `HTTP/1.1 ${statusCode} ${http.STATUS_CODES[statusCode] || 'Unknown Status Code'}\r\n`; + for (const [key, value] of Object.entries(headers)) { + msg += `${key}: ${value}\r\n`; + } + msg += `\r\n${message}`; + + // Unfortunately it's not possible to send RST in Node.js yet. + // See https://github.com/nodejs/node/issues/27428 + socket.setTimeout(1000, () => { + socket.destroy(); + }); + + // This sends FIN, meaning we still can receive data. + socket.end(msg); + } catch (err) { + this.log(socket.proxyChainId, `Unhandled error in sendResponse(), will be ignored: ${(err as Error).stack || err}`); + } + } + + /** + * Starts listening at a port specified in the constructor. + * @param callback Optional callback + * @return {(Promise|undefined)} + */ + listen(callback?: (error: NodeJS.ErrnoException | null) => void): Promise { + const promise = new Promise((resolve, reject) => { + // Unfortunately server.listen() is not a normal function that fails on error, + // so we need this trickery + const onError = (error: NodeJS.ErrnoException) => { + this.log(null, `Listen failed: ${error}`); + removeListeners(); + reject(error); + }; + const onListening = () => { + this.port = (this.server.address() as net.AddressInfo).port; + this.log(null, 'Listening...'); + removeListeners(); + resolve(); + }; + const removeListeners = () => { + this.server.removeListener('error', onError); + this.server.removeListener('listening', onListening); + }; + + this.server.on('error', onError); + this.server.on('listening', onListening); + this.server.listen(this.port); + }); + + return nodeify(promise, callback); + } + + /** + * Gets array of IDs of all active connections. + */ + getConnectionIds(): unknown[] { + return [...this.connections.keys()]; + } + + /** + * Gets data transfer statistics of a specific proxy connection. + */ + getConnectionStats(connectionId: unknown): ConnectionStats | undefined { + const socket = this.connections.get(connectionId); + if (!socket) return undefined; + + const targetStats = getTargetStats(socket); + + const result = { + srcTxBytes: socket.bytesWritten, + srcRxBytes: socket.bytesRead, + trgTxBytes: targetStats.bytesWritten, + trgRxBytes: targetStats.bytesRead, + }; + + return result; + } + + /** + * Closes the proxy server. + * @param closeConnections If true, pending proxy connections are forcibly closed. + */ + close(closeConnections: boolean, callback?: (error: NodeJS.ErrnoException | null) => void): Promise { + if (typeof closeConnections === 'function') { + callback = closeConnections; + closeConnections = false; + } + + if (closeConnections) { + this.log(null, 'Closing pending sockets'); + + for (const socket of this.connections.values()) { + socket.destroy(); + } + + this.connections.clear(); + + this.log(null, `Destroyed ${this.connections.size} pending sockets`); + } + + if (this.server) { + const { server } = this; + // @ts-expect-error Let's make sure we can't access the server anymore. + this.server = null; + const promise = util.promisify(server.close).bind(server)(); + return nodeify(promise, callback); + } + + return nodeify(Promise.resolve(), callback); + } +} diff --git a/src/socket.d.ts b/src/socket.d.ts new file mode 100644 index 00000000..cb0c059e --- /dev/null +++ b/src/socket.d.ts @@ -0,0 +1,7 @@ +import type net from 'net'; +import type tls from 'tls'; + +type AdditionalProps = { proxyChainId?: unknown }; + +export type Socket = net.Socket & AdditionalProps; +export type TLSSocket = tls.TLSSocket & AdditionalProps; diff --git a/src/tcp_tunnel.js b/src/tcp_tunnel.js deleted file mode 100644 index c7b47855..00000000 --- a/src/tcp_tunnel.js +++ /dev/null @@ -1,228 +0,0 @@ -import http from 'http'; -import { maybeAddProxyAuthorizationHeader } from './tools'; - -/** - * Represents a connection from source client to an external proxy using HTTP CONNECT tunnel, allows TCP connection. - */ -export default class TcpTunnel { - constructor({ - srcSocket, trgParsed, upstreamProxyUrlParsed, log, - }) { - this.log = log; - - // Bind all event handlers to this instance - this.bindHandlersToThis([ - 'onSrcSocketClose', 'onSrcSocketEnd', 'onSrcSocketError', - 'onTrgSocket', 'onTrgSocketClose', 'onTrgSocketEnd', 'onTrgSocketError', - 'onTrgRequestConnect', 'onTrgRequestAbort', 'onTrgRequestError', - ]); - - if (!trgParsed.hostname) throw new Error('The "trgParsed.hostname" option is required'); - if (!trgParsed.port) throw new Error('The "trgParsed.port" option is required'); - - this.trgRequest = null; - this.trgSocket = null; - this.trgParsed = trgParsed; - this.trgParsed.port = this.trgParsed.port || DEFAULT_TARGET_PORT; - - this.srcSocket = srcSocket; - this.srcSocket.on('close', this.onSrcSocketClose); - this.srcSocket.on('end', this.onSrcSocketEnd); - this.srcSocket.on('error', this.onSrcSocketError); - - this.upstreamProxyUrlParsed = upstreamProxyUrlParsed; - - this.isClosed = false; - } - - bindHandlersToThis(handlerNames) { - handlerNames.forEach((evt) => { - this[evt] = this[evt].bind(this); - }); - } - - run() { - this.log('Connecting to upstream proxy...'); - - const options = { - method: 'CONNECT', - hostname: this.upstreamProxyUrlParsed.hostname, - port: this.upstreamProxyUrlParsed.port, - path: `${this.trgParsed.hostname}:${this.trgParsed.port}`, - headers: {}, - }; - - maybeAddProxyAuthorizationHeader(this.upstreamProxyUrlParsed, options.headers); - - this.trgRequest = http.request(options); - - this.trgRequest.on('connect', this.onTrgRequestConnect); - this.trgRequest.on('abort', this.onTrgRequestAbort); - this.trgRequest.on('socket', this.onTrgSocket); - this.trgRequest.on('error', this.onTrgRequestError); - - // Send the data - this.trgRequest.end(); - } - - // If the client closes the connection prematurely, - // then immediately destroy the upstream socket, there's nothing we can do with it - onSrcSocketClose() { - if (this.isClosed) return; - this.log('Source socket closed'); - this.close(); - } - - onSrcSocketEnd() { - if (this.isClosed) return; - this.log('Source socket ended'); - this.close(); - } - - onSrcSocketError(err) { - if (this.isClosed) return; - this.log(`Source socket failed: ${err.stack || err}`); - this.close(); - } - - onTrgSocket(socket) { - if (this.isClosed || this.trgSocket) return; - - this.log('Target socket assigned'); - - this.trgSocket = socket; - - socket.on('close', this.onTrgSocketClose); - socket.on('end', this.onTrgSocketEnd); - socket.on('error', this.onTrgSocketError); - } - - // Once target socket closes, we need to give time - // to source socket to receive pending data, so we only call end() after a little while. - // One second should be about enough. - onTrgSocketClose() { - if (this.isClosed) return; - this.log('Target socket closed'); - setTimeout(() => { - if (this.srcSocket) this.srcSocket.end(); - }, 1000); - } - - // Same as onTrgSocketClose() above - onTrgSocketEnd() { - if (this.isClosed) return; - this.log('Target socket ended'); - setTimeout(() => { - if (this.srcSocket) this.srcSocket.end(); - }, 1000); - } - - onTrgSocketError(err) { - if (this.isClosed) return; - this.log(`Target socket failed: ${err.stack || err}`); - this.fail(err); - } - - onTrgRequestConnect(response, socket) { - if (this.isClosed) return; - this.log('Connected to upstream proxy'); - - // Attempt to fix https://github.com/apify/proxy-chain/issues/64, - // perhaps the 'connect' event might occur before 'socket' - if (!this.trgSocket) { - this.onTrgSocket(socket); - } - - if (this.checkUpstreamProxy407(response)) return; - - // Note that sockets could be closed anytime, causing this.close() to be called too in above statements - // See https://github.com/apify/proxy-chain/issues/64 - if (this.isClosed) return; - - // Setup bi-directional tunnel - this.trgSocket.pipe(this.srcSocket); - this.srcSocket.pipe(this.trgSocket); - - this.srcSocket.resume(); - } - - onTrgRequestAbort() { - if (this.isClosed) return; - this.log('Target aborted'); - this.close(); - } - - onTrgRequestError(err) { - if (this.isClosed) return; - this.log(`Target request failed: ${err.stack || err}`); - this.fail(err); - } - - /** - * Checks whether response from upstream proxy is 407 Proxy Authentication Required - * and if so, responds 502 Bad Gateway to client. - * @param response - * @return {boolean} - */ - checkUpstreamProxy407(response) { - if (this.upstreamProxyUrlParsed && response.statusCode === 407) { - this.fail('Invalid credentials provided for the upstream proxy.', 502); - return true; - } - return false; - } - - fail(err, statusCode) { - if (this.srcGotResponse) { - this.log('Source already received a response, just destroying the socket...'); - this.close(); - } else if (statusCode) { - // Manual error - this.log(`${err}, responding with custom status code ${statusCode} to client`); - } else if (err.code === 'ENOTFOUND' && !this.upstreamProxyUrlParsed) { - this.log('Target server not found, sending 404 to client'); - } else if (err.code === 'ENOTFOUND' && this.upstreamProxyUrlParsed) { - this.log('Upstream proxy not found, sending 502 to client'); - } else if (err.code === 'ECONNREFUSED') { - this.log('Upstream proxy refused connection, sending 502 to client'); - } else if (err.code === 'ETIMEDOUT') { - this.log('Connection timed out, sending 502 to client'); - } else if (err.code === 'ECONNRESET') { - this.log('Connection lost, sending 502 to client'); - } else if (err.code === 'EPIPE') { - this.log('Socket closed before write, sending 502 to client'); - } else { - this.log('Unknown error, sending 500 to client'); - } - } - - /** - * Detaches all listeners and destroys all sockets. - */ - close() { - if (!this.isClosed) { - this.log('Closing handler'); - this.isClosed = true; - - if (this.srcRequest) { - this.srcRequest.destroy(); - this.srcRequest = null; - } - - if (this.srcSocket) { - this.srcSocket.destroy(); - this.srcSocket = null; - } - - if (this.trgRequest) { - this.trgRequest.abort(); - this.trgRequest = null; - } - - if (this.trgSocket) { - this.trgSocket.destroy(); - this.trgSocket = null; - } - } - } -} diff --git a/src/tcp_tunnel_tools.js b/src/tcp_tunnel_tools.js deleted file mode 100644 index e6a3f042..00000000 --- a/src/tcp_tunnel_tools.js +++ /dev/null @@ -1,108 +0,0 @@ -import net from 'net'; -import TcpTunnel from './tcp_tunnel'; -import { parseUrl, nodeify } from './tools'; - -const runningServers = {}; - -export function createTunnel(proxyUrl, targetHost, providedOptions = {}, callback) { - const parsedProxyUrl = parseUrl(proxyUrl); - if (!parsedProxyUrl.hostname || !parsedProxyUrl.port) { - throw new Error(`The proxy URL must contain hostname and port (was "${proxyUrl}")`); - } - if (parsedProxyUrl.protocol !== 'http:') { - throw new Error(`The proxy URL must have the "http" protocol (was "${proxyUrl}")`); - } - if (/:/.test(parsedProxyUrl.username)) { - throw new Error('The proxy URL username cannot contain the colon (:) character according to RFC 7617.'); - } - - // TODO: More and better validations - yeah, make sure targetHost is really a hostname - const [trgHostname, trgPort] = (targetHost || '').split(':'); - if (!trgHostname || !trgPort) throw new Error('The target host needs to include both hostname and port.'); - - const options = { - verbose: false, - hostname: 'localhost', - port: null, - ...providedOptions, - }; - - const server = net.createServer(); - - const log = (...args) => { - if (options.verbose) console.log(...args); - }; - - server.on('connection', (srcSocket) => { - const port = server.address().port; - - runningServers[port].connections.push(srcSocket); - const remoteAddress = `${srcSocket.remoteAddress}:${srcSocket.remotePort}`; - log('new client connection from %s', remoteAddress); - - srcSocket.pause(); - - const tunnel = new TcpTunnel({ - srcSocket, - upstreamProxyUrlParsed: parsedProxyUrl, - trgParsed: { - hostname: trgHostname, - port: trgPort, - }, - log, - }); - - tunnel.run(); - - srcSocket.on('data', onConnData); - srcSocket.on('close', onConnClose); - srcSocket.on('error', onConnError); - - function onConnData(d) { - log('connection data from %s: %j', remoteAddress, d); - } - - function onConnClose() { - log('connection from %s closed', remoteAddress); - } - - function onConnError(err) { - log('Connection %s error: %s', remoteAddress, err.message); - } - }); - - const promise = new Promise((resolve) => { - // Let the system pick a random listening port - server.listen(0, (err) => { - if (err) return reject(err); - const address = server.address(); - log('server listening to ', address); - runningServers[address.port] = { server, connections: [] }; - resolve(`${options.hostname}:${address.port}`); - }); - }); - - return nodeify(promise, callback); -} - -export function closeTunnel(serverPath, closeConnections, callback) { - const [hostname, port] = serverPath.split(':'); - if (!hostname) throw new Error('serverPath must contain hostname'); - if (!port) throw new Error('serverPath must contain port'); - - const promise = new Promise((resolve) => { - if (!runningServers[port]) return resolve(false); - if (!closeConnections) return resolve(true); - runningServers[port].connections.forEach((connection) => connection.destroy()); - resolve(true); - }) - .then((serverExists) => new Promise((resolve) => { - if (!serverExists) return resolve(false); - runningServers[port].server.close(() => { - delete runningServers[port]; - resolve(true); - }); - })); - - return nodeify(promise, callback); -} diff --git a/src/tcp_tunnel_tools.ts b/src/tcp_tunnel_tools.ts new file mode 100644 index 00000000..25e36915 --- /dev/null +++ b/src/tcp_tunnel_tools.ts @@ -0,0 +1,120 @@ +import { URL } from 'url'; +import net from 'net'; +import { chain } from './chain'; +import { nodeify } from './utils/nodeify'; + +const runningServers: Record }> = {}; + +const getAddress = (server: net.Server) => { + const { address: host, port, family } = server.address() as net.AddressInfo; + + if (family === 'IPv6') { + return `[${host}]:${port}`; + } + + return `${host}:${port}`; +}; + +export function createTunnel( + proxyUrl: string, + targetHost: string, + options: { + verbose?: boolean; + }, + callback?: (error: Error | null, result?: string) => void, +): Promise { + const parsedProxyUrl = new URL(proxyUrl); + if (parsedProxyUrl.protocol !== 'http:') { + throw new Error(`The proxy URL must have the "http" protocol (was "${proxyUrl}")`); + } + + const url = new URL(`connect://${targetHost || ''}`); + + if (!url.hostname) { + throw new Error('Missing target hostname'); + } + + if (!url.port) { + throw new Error('Missing target port'); + } + + const verbose = options && options.verbose; + + const server = net.createServer(); + + const log = (...args: unknown[]): void => { + if (verbose) console.log(...args); + }; + + (server as any).log = log; + + server.on('connection', (sourceSocket) => { + const remoteAddress = `${sourceSocket.remoteAddress}:${sourceSocket.remotePort}`; + + const { connections } = runningServers[getAddress(server)]; + + log(`new client connection from ${remoteAddress}`); + + sourceSocket.on('close', (hadError) => { + connections.delete(sourceSocket); + + log(`connection from ${remoteAddress} closed, hadError=${hadError}`); + }); + + connections.add(sourceSocket); + + chain({ + request: { url: targetHost }, + sourceSocket, + handlerOpts: { upstreamProxyUrlParsed: parsedProxyUrl }, + server: server as net.Server & { log: typeof log }, + isPlain: true, + }); + }); + + const promise = new Promise((resolve, reject) => { + server.once('error', reject); + + // Let the system pick a random listening port + server.listen(0, () => { + const address = getAddress(server); + + server.off('error', reject); + runningServers[address] = { server, connections: new Set() }; + + log('server listening to ', address); + + resolve(address); + }); + }); + + return nodeify(promise, callback); +} + +export function closeTunnel( + serverPath: string, + closeConnections: boolean | undefined, + callback: (error: Error | null, result?: boolean) => void, +): Promise { + const { hostname, port } = new URL(`tcp://${serverPath}`); + if (!hostname) throw new Error('serverPath must contain hostname'); + if (!port) throw new Error('serverPath must contain port'); + + const promise = new Promise((resolve) => { + if (!runningServers[serverPath]) return resolve(false); + if (!closeConnections) return resolve(true); + for (const connection of runningServers[serverPath].connections) { + connection.destroy(); + } + resolve(true); + }) + .then((serverExists) => new Promise((resolve) => { + if (!serverExists) return resolve(false); + runningServers[serverPath].server.close(() => { + delete runningServers[serverPath]; + resolve(true); + }); + })); + + return nodeify(promise, callback); +} diff --git a/src/tools.js b/src/tools.js deleted file mode 100644 index c1e29208..00000000 --- a/src/tools.js +++ /dev/null @@ -1,272 +0,0 @@ -const HOST_HEADER_REGEX = /^((([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9-]*[A-Za-z0-9]))(:([0-9]+))?$/; - -/** - * Parsed the 'Host' HTTP header and returns an object with { host: String, port: Number }. - * For example, for 'www.example.com:80' it returns { host: 'www.example.com', port: 80 }. - * If port is not present, the function - * If the header is invalid, returns null. - * @param hostHeader - * @return {*} - */ -export const parseHostHeader = (hostHeader) => { - const matches = HOST_HEADER_REGEX.exec(hostHeader || ''); - if (!matches) return null; - - const hostname = matches[1]; - if (hostname.length > 255) return null; - - let port = null; - if (matches[5]) { - port = parseInt(matches[6], 10); - if (!(port > 0 && port <= 65535)) return null; - } - - return { hostname, port }; -}; - -// As per HTTP specification, hop-by-hop headers should be consumed but the proxy, and not forwarded -const HOP_BY_HOP_HEADERS = [ - 'Connection', - 'Keep-Alive', - 'Proxy-Authenticate', - 'Proxy-Authorization', - 'TE', - 'Trailer', - 'Transfer-Encoding', - 'Upgrade', -]; - -const HOP_BY_HOP_HEADERS_REGEX = new RegExp(`^(${HOP_BY_HOP_HEADERS.join('|')})$`, 'i'); - -export const isHopByHopHeader = (header) => HOP_BY_HOP_HEADERS_REGEX.test(header); - -const TOKEN_REGEX = /^[\^_`a-zA-Z\-0-9!#$%&'*+.|~]+$/; - -/** - * Verifies that the given val is a valid HTTP token per the rules defined in RFC 7230 - * @see https://tools.ietf.org/html/rfc7230#section-3.2.6 - * @see https://github.com/nodejs/node/blob/8cf5ae07e9e80747c19e0fc04fad48423707f62c/lib/_http_common.js#L222 - */ -const isHttpToken = (val) => TOKEN_REGEX.test(val); - -const HEADER_CHAR_REGEX = /[^\t\x20-\x7e\x80-\xff]/; - -/** - * True if val contains an invalid field-vchar - * field-value = *( field-content / obs-fold ) - * field-content = field-vchar [ 1*( SP / HTAB ) field-vchar ] - * field-vchar = VCHAR / obs-text - * @see https://github.com/nodejs/node/blob/8cf5ae07e9e80747c19e0fc04fad48423707f62c/lib/_http_common.js#L233 - */ -const isInvalidHeaderChar = (val) => HEADER_CHAR_REGEX.test(val); - -// This code is based on Node.js' validateHeader() function from _http_outgoing.js module -// (see https://github.com/nodejs/node/blob/189d29f39e6de9ccf10682bfd1341819b4a2291f/lib/_http_outgoing.js#L485) -export const isInvalidHeader = (name, value) => { - // NOTE: These are internal Node.js functions, they might stop working in the future! - return typeof name !== 'string' - || !name - || !isHttpToken(name) - || value === undefined - || isInvalidHeaderChar(value); -}; - -const bulletproofDecodeURIComponent = (encodedURIComponent) => { - try { - return decodeURIComponent(encodedURIComponent); - } catch (e) { - return encodedURIComponent; - } -}; - -// Ports returned by `parseUrl` when port is not explicitly specified. -// Values are based on node docs: https://nodejs.org/api/url.html#url_url_port -const STANDARD_PORTS_BY_PROTOCOL = { - 'ftp:': 21, - 'http:': 80, - 'https:': 443, - 'ws:': 80, - 'wss:': 443, -}; - -/** - * Parses a URL using Node.js' `new URL(url)` and adds the following features: - * - `port` is casted to number / null from string - * - `path` field is added (pathname + search) - * - both username and password is URI-decoded - * - `auth` field is added (username + ":" + password, or empty string) - * - * Note that compared to the old implementation using `url.parse()`, the new function: - * - is unable to distinguish empty password and missing password - * - password and username are empty string if not present (or empty) - * - we are able to parse IPv6 - * - * @param url - * @ignore - */ -export const parseUrl = (url) => { - // NOTE: In the past we used url.parse() here, but it can't handle IPv6 and other special URLs, - // so we moved to new URL() - const urlObj = new URL(url); - - const parsed = { - auth: urlObj.username || urlObj.password ? `${urlObj.username}:${urlObj.password}` : '', - hash: urlObj.hash, - host: urlObj.host, - hostname: urlObj.hostname, - href: urlObj.href, - origin: urlObj.origin, - // The username and password might not be correctly URI-encoded, try to make it work anyway - username: bulletproofDecodeURIComponent(urlObj.username), - password: bulletproofDecodeURIComponent(urlObj.password), - pathname: urlObj.pathname, - // Path was present on the original UrlObject, it's kept for backwards compatibility - path: `${urlObj.pathname}${urlObj.search}`, - // Port is turned into a number if available - port: urlObj.port ? parseInt(urlObj.port, 10) : null, - protocol: urlObj.protocol, - scheme: null, - search: urlObj.search, - searchParams: urlObj.searchParams, - }; - - // Add scheme field (as some other external tools rely on that) - if (parsed.protocol) { - const matches = /^([a-z0-9]+):$/i.exec(parsed.protocol); - if (matches && matches.length === 2) { - parsed.scheme = matches[1]; - } - } - - // Add default port based on protocol when no port is explicitly specified. - if (parsed.port === null) { - parsed.port = STANDARD_PORTS_BY_PROTOCOL[parsed.protocol] || null; - } - - return parsed; -}; - -/** - * Redacts password from a URL, so that it can be shown in logs, results etc. - * For example, converts URL such as - * 'https://username:password@www.example.com/path#hash' - * to 'https://username:@www.example.com/path#hash' - * @param url URL, it must contain at least protocol and hostname - * @param passwordReplacement The string that replaces password, by default it is '' - * @returns {string} - * @ignore - */ -export const redactUrl = (url, passwordReplacement) => { - return redactParsedUrl(parseUrl(url), passwordReplacement); -}; - -export const redactParsedUrl = (parsedUrl, passwordReplacement = '') => { - const p = parsedUrl; - let auth = null; - if (p.username) { - if (p.password) { - auth = `${p.username}:${passwordReplacement}`; - } else { - auth = `${p.username}`; - } - } - return `${p.protocol}//${auth || ''}${auth ? '@' : ''}${p.host}${p.path || ''}${p.hash || ''}`; -}; - -const PROXY_AUTH_HEADER_REGEX = /^([a-z0-9-]+) ([a-z0-9+/=]+)$/i; - -/** - * Parses the content of the Proxy-Authorization HTTP header. - * @param header - * @returns {*} Object with fields { type: String, username: String, password: String } - * or null if string parsing failed. Note that password and username might be empty strings. - */ -export const parseProxyAuthorizationHeader = (header) => { - const matches = PROXY_AUTH_HEADER_REGEX.exec(header); - if (!matches) return null; - - const auth = Buffer.from(matches[2], 'base64').toString(); - if (!auth) return null; - - const index = auth.indexOf(':'); - return { - type: matches[1], - username: index >= 0 ? auth.substr(0, index) : auth, - password: index >= 0 ? auth.substr(index + 1) : '', - }; -}; - -/** - * Works like Bash tee, but instead of passing output to file, - * passes output to log - * - * @param {String} name identifier - * @param {Boolean} initialOnly log only initial chunk of data - * @return {through} duplex stream (pipe) - -export const tee = (name, initialOnly = true) => { - console.log('tee'); - let maxChunks = 2; - const duplex = through((chunk) => { - if (maxChunks || !initialOnly) { - // let msg = chunk.toString(); - // msg += ''; - maxChunks--; - console.log(`pipe: ${JSON.stringify({ - context: name, - chunkHead: chunk.toString().slice(0, 100), - })}`); - } - duplex.queue(chunk); - }); - - return duplex; -}; -*/ - -export const addHeader = (headers, name, value) => { - if (headers[name] === undefined) { - headers[name] = value; - } else if (Array.isArray(headers[name])) { - headers[name].push(value); - } else { - headers[name] = [ - headers[name], - value, - ]; - } -}; - -export const PORT_SELECTION_CONFIG = { - FROM: 20000, - TO: 60000, - RETRY_COUNT: 10, -}; - -export const maybeAddProxyAuthorizationHeader = (parsedUrl, headers) => { - if (parsedUrl && (parsedUrl.username || parsedUrl.password)) { - // According to RFC 7617 (see https://tools.ietf.org/html/rfc7617#page-5): - // "Furthermore, a user-id containing a colon character is invalid, as - // the first colon in a user-pass string separates user-id and password - // from one another; text after the first colon is part of the password. - // User-ids containing colons cannot be encoded in user-pass strings." - // So to be correct and avoid strange errors later, we just throw an error - if (/:/.test(parsedUrl.username)) throw new Error('The proxy username cannot contain the colon (:) character according to RFC 7617.'); - const auth = `${parsedUrl.username || ''}:${parsedUrl.password || ''}`; - headers['Proxy-Authorization'] = `Basic ${Buffer.from(auth).toString('base64')}`; - } -}; - -// Replacement for Bluebird's Promise.nodeify() -export const nodeify = (promise, callback) => { - if (typeof callback !== 'function') return promise; - - const p = promise.then((result) => callback(null, result), callback); - - // Handle error from callback function - p.catch((e) => { - setTimeout(() => { throw e; }, 0); - }); - - return promise; -}; diff --git a/src/utils/count_target_bytes.ts b/src/utils/count_target_bytes.ts new file mode 100644 index 00000000..8b201e36 --- /dev/null +++ b/src/utils/count_target_bytes.ts @@ -0,0 +1,64 @@ +import net from 'net'; + +const targetBytesWritten = Symbol('targetBytesWritten'); +const targetBytesRead = Symbol('targetBytesRead'); +const targets = Symbol('targets'); +const calculateTargetStats = Symbol('calculateTargetStats'); + +type Stats = { bytesWritten: number | null, bytesRead: number | null }; + +interface Extras { + [targetBytesWritten]: number; + [targetBytesRead]: number; + [targets]: Set; + [calculateTargetStats]: () => Stats; +} + +// @ts-expect-error TS is not aware that `source` is used in the assertion. +// eslint-disable-next-line @typescript-eslint/no-empty-function +function typeSocket(source: unknown): asserts source is net.Socket & Extras {}; + +export const countTargetBytes = (source: net.Socket, target: net.Socket): void => { + typeSocket(source); + + source[targetBytesWritten] = source[targetBytesWritten] || 0; + source[targetBytesRead] = source[targetBytesRead] || 0; + source[targets] = source[targets] || new Set(); + + target.once('close', () => { + source[targetBytesWritten] += target.bytesWritten; + source[targetBytesRead] += target.bytesRead; + + source[targets].delete(target); + }); + + if (!source[calculateTargetStats]) { + source[calculateTargetStats] = () => { + let bytesWritten = source[targetBytesWritten]; + let bytesRead = source[targetBytesRead]; + + for (const socket of source[targets]) { + bytesWritten += socket.bytesWritten; + bytesRead += socket.bytesRead; + } + + return { + bytesWritten, + bytesRead, + }; + }; + } +}; + +export const getTargetStats = (socket: net.Socket): Stats => { + typeSocket(socket); + + if (socket[calculateTargetStats]) { + return socket[calculateTargetStats](); + } + + return { + bytesWritten: null, + bytesRead: null, + }; +}; diff --git a/src/utils/decode_uri_component_safe.ts b/src/utils/decode_uri_component_safe.ts new file mode 100644 index 00000000..c8eb234f --- /dev/null +++ b/src/utils/decode_uri_component_safe.ts @@ -0,0 +1,7 @@ +export const decodeURIComponentSafe = (encodedURIComponent: string): string => { + try { + return decodeURIComponent(encodedURIComponent); + } catch (e) { + return encodedURIComponent; + } +}; diff --git a/src/utils/get_basic.ts b/src/utils/get_basic.ts new file mode 100644 index 00000000..da85b288 --- /dev/null +++ b/src/utils/get_basic.ts @@ -0,0 +1,14 @@ +import { URL } from 'url'; +import { decodeURIComponentSafe } from './decode_uri_component_safe'; + +export const getBasicAuthorizationHeader = (url: URL): string => { + const username = decodeURIComponentSafe(url.username); + const password = decodeURIComponentSafe(url.password); + const auth = `${username}:${password}`; + + if (username.includes(':')) { + throw new Error('Username contains an invalid colon'); + } + + return `Basic ${Buffer.from(auth).toString('base64')}`; +}; diff --git a/src/utils/is_hop_by_hop_header.ts b/src/utils/is_hop_by_hop_header.ts new file mode 100644 index 00000000..a2b9ef08 --- /dev/null +++ b/src/utils/is_hop_by_hop_header.ts @@ -0,0 +1,13 @@ +// As per HTTP specification, hop-by-hop headers should be consumed but the proxy, and not forwarded +const hopByHopHeaders = [ + 'connection', + 'keep-alive', + 'proxy-authenticate', + 'proxy-authorization', + 'te', + 'trailer', + 'transfer-encoding', + 'upgrade', +]; + +export const isHopByHopHeader = (header: string): boolean => hopByHopHeaders.includes(header.toLowerCase()); diff --git a/src/utils/nodeify.ts b/src/utils/nodeify.ts new file mode 100644 index 00000000..284c56d0 --- /dev/null +++ b/src/utils/nodeify.ts @@ -0,0 +1,16 @@ +// Replacement for Bluebird's Promise.nodeify() +export const nodeify = (promise: Promise, callback?: (error: Error | null, result?: T) => void): Promise => { + if (typeof callback !== 'function') return promise; + + promise.then( + (result) => callback(null, result), + callback as any, + ).catch((error) => { + // Need to .catch because it doesn't crash the process on Node.js 14 + process.nextTick(() => { + throw error; + }); + }); + + return promise; +}; diff --git a/src/utils/parse_authorization_header.ts b/src/utils/parse_authorization_header.ts new file mode 100644 index 00000000..7aeeb02a --- /dev/null +++ b/src/utils/parse_authorization_header.ts @@ -0,0 +1,39 @@ +const splitAt = (string: string, index: number) => { + return [ + index === -1 ? '' : string.substring(0, index), + index === -1 ? '' : string.substring(index + 1), + ]; +}; + +interface Authorization { + type: string; + data: string; + username?: string; + password?: string; +} + +export const parseAuthorizationHeader = (header: string): Authorization | null => { + if (header) { + header = header.trim(); + } + + if (!header) { + return null; + } + + const [type, data] = splitAt(header, header.indexOf(' ')); + + if (type.toLowerCase() !== 'basic') { + return { type, data }; + } + + const auth = Buffer.from(data, 'base64').toString(); + const [username, password] = splitAt(auth, auth.indexOf(':')); + + return { + type, + data, + username, + password, + }; +}; diff --git a/src/utils/redact_url.ts b/src/utils/redact_url.ts new file mode 100644 index 00000000..2b50c00b --- /dev/null +++ b/src/utils/redact_url.ts @@ -0,0 +1,13 @@ +import { URL } from 'url'; + +export const redactUrl = (url: string | URL, passwordReplacement = ''): string => { + if (typeof url !== 'object') { + url = new URL(url); + } + + if (url.password) { + return url.href.replace(`:${url.password}`, `:${passwordReplacement}`); + } + + return url.href; +}; diff --git a/src/utils/valid_headers_only.ts b/src/utils/valid_headers_only.ts new file mode 100644 index 00000000..90986f20 --- /dev/null +++ b/src/utils/valid_headers_only.ts @@ -0,0 +1,43 @@ +// @ts-expect-error Missing types +import { validateHeaderName, validateHeaderValue } from 'http'; +import { isHopByHopHeader } from './is_hop_by_hop_header'; + +/** + * @see https://nodejs.org/api/http.html#http_message_rawheaders + */ +export const validHeadersOnly = (rawHeaders: string[]): string[] => { + const result = []; + + let containsHost = false; + + for (let i = 0; i < rawHeaders.length; i += 2) { + const name = rawHeaders[i]; + const value = rawHeaders[i + 1]; + + try { + validateHeaderName(name); + validateHeaderValue(name, value); + } catch (error) { + // eslint-disable-next-line no-continue + continue; + } + + if (isHopByHopHeader(name)) { + // eslint-disable-next-line no-continue + continue; + } + + if (name.toLowerCase() === 'host') { + if (containsHost) { + // eslint-disable-next-line no-continue + continue; + } + + containsHost = true; + } + + result.push(name, value); + } + + return result; +}; diff --git a/test/.eslintrc.json b/test/.eslintrc.json new file mode 100644 index 00000000..1e658388 --- /dev/null +++ b/test/.eslintrc.json @@ -0,0 +1,16 @@ +{ + "globals": { + "it": false, + "describe": false, + "xit": false, + "before": false, + "after": false, + "beforeAll": false, + "afterAll": false, + "beforeEach": false, + "afterEach": false, + "expect": false, + "test": false, + "jest": false + } +} diff --git a/test/anonymize_proxy.js b/test/anonymize_proxy.js index a3e16bd3..b8b4a06d 100644 --- a/test/anonymize_proxy.js +++ b/test/anonymize_proxy.js @@ -8,19 +8,22 @@ const basicAuthParser = require('basic-auth-parser'); const request = require('request'); const express = require('express'); -const { anonymizeProxy, closeAnonymizedProxy, listenConnectAnonymizedProxy } = require('../build/index'); -const { findFreePort } = require('./tools'); +const { anonymizeProxy, closeAnonymizedProxy, listenConnectAnonymizedProxy } = require('../src/index'); +let expressServer; let proxyServer; -let proxyPort; // eslint-disable-line no-unused-vars +let proxyPort; let testServerPort; const proxyAuth = { scheme: 'Basic', username: 'username', password: 'password' }; -let wasProxyCalled = false; // eslint-disable-line no-unused-vars +let wasProxyCalled = false; const serverListen = (server, port) => new Promise((resolve, reject) => { - server.listen(port, (err) => { - if (err) return reject(err); - return resolve(port); + server.once('error', reject); + + server.listen(port, () => { + server.off('error', reject); + + resolve(server.address().port); }); }); @@ -65,10 +68,10 @@ before(() => { app.get('/', (req, res) => res.send('Hello World!')); + // eslint-disable-next-line prefer-destructuring testServerPort = freePorts[1]; return new Promise((resolve, reject) => { - app.listen(testServerPort, (err) => { - if (err) reject(err); + expressServer = app.listen(testServerPort, () => { resolve(); }); }); @@ -77,10 +80,12 @@ before(() => { after(function () { this.timeout(5 * 1000); + + expressServer.close(); + if (proxyServer) return util.promisify(proxyServer.close).bind(proxyServer)(); }); - const requestPromised = (opts) => { // console.log('requestPromised'); // console.dir(opts); @@ -96,7 +101,6 @@ const requestPromised = (opts) => { }); }; - describe('utils.anonymizeProxy', function () { // Need larger timeout for Travis CI this.timeout(5 * 1000); @@ -155,12 +159,11 @@ describe('utils.anonymizeProxy', function () { if (err) return reject(err); resolve(result); }); - }) + }), ]); }) .then((results) => { - proxyUrl1 = results[0]; - proxyUrl2 = results[1]; + [proxyUrl1, proxyUrl2] = results; expect(proxyUrl1).to.not.contain(`${proxyPort}`); expect(proxyUrl2).to.not.contain(`${proxyPort}`); expect(proxyUrl1).to.not.equal(proxyUrl2); @@ -200,9 +203,7 @@ describe('utils.anonymizeProxy', function () { .then(() => { expect(wasProxyCalled).to.equal(true); }) - .then(() => { - return closeAnonymizedProxy(proxyUrl1, true); - }) + .then(() => closeAnonymizedProxy(proxyUrl1, true)) .then((closed) => { expect(closed).to.eql(true); @@ -210,12 +211,12 @@ describe('utils.anonymizeProxy', function () { return requestPromised({ uri: proxyUrl1, }) - .then(() => { - assert.fail(); - }) - .catch((err) => { - expect(err.message).to.contain('ECONNREFUSED'); - }); + .then(() => { + assert.fail(); + }) + .catch((err) => { + expect(err.message).to.contain('ECONNREFUSED'); + }); }) .then(() => { // Test callback-style @@ -237,9 +238,9 @@ describe('utils.anonymizeProxy', function () { // Test callback-style return new Promise((resolve, reject) => { - closeAnonymizedProxy(proxyUrl2, false, (err, closed) => { + closeAnonymizedProxy(proxyUrl2, false, (err, closed2) => { if (err) return reject(err); - resolve(closed); + resolve(closed2); }); }); }) @@ -264,7 +265,7 @@ describe('utils.anonymizeProxy', function () { .then((results) => { const promises = []; proxyUrls = results; - for (let i=0; i { - for (let i=0; i { - var proxy = http.createServer(); - proxy.on('connect', onconnect); - proxyPort = port; - return serverListen(proxy, proxyPort); - }) - .then(() => { - return anonymizeProxy(`http://${proxyAuth.username}:${proxyAuth.password}@127.0.0.1:${proxyPort}`); - }) - .then((proxyUrl) => { + + const localProxy = http.createServer(); + localProxy.on('connect', onconnect); + + let proxyUrl; + + return serverListen(localProxy, 0) + .then(() => anonymizeProxy(`http://${proxyAuth.username}:${proxyAuth.password}@127.0.0.1:${localProxy.address().port}`)) + .then((url) => { + proxyUrl = url; + return requestPromised({ uri: `https://${host}`, proxy: proxyUrl, - }) - .catch(() => { - return Promise.resolve(); - }); + }); }) .then(() => { + expect(false).to.equal(true); + }, () => { expect(onconnectArgs.headers.host).to.equal(host); expect(onconnectArgs.url).to.equal(host); - }); + }) + .finally(() => closeAnonymizedProxy(proxyUrl, true)) + .finally(() => localProxy.close()); }); it('handles HTTP CONNECT callback properly', function () { - this.timeout(50 * 1000); const host = `localhost:${testServerPort}`; - let proxyPort; let rawHeadersRetrieved; function onconnect(message, socket) { - socket.write("HTTP/1.1 200 OK\r\nfoo: bar\r\n\r\n"); + socket.write('HTTP/1.1 200 OK\r\nfoo: bar\r\n\r\n'); socket.end(); socket.destroy(); } - return findFreePort() - .then((port) => { - var proxy = http.createServer(); - proxy.on('connect', onconnect); - proxyPort = port; - return serverListen(proxy, proxyPort); - }) - .then(() => { - return anonymizeProxy(`http://${proxyAuth.username}:${proxyAuth.password}@127.0.0.1:${proxyPort}`); - }) - .then((proxyUrl) => { + + let proxyUrl; + + const localProxy = http.createServer(); + localProxy.on('connect', onconnect); + + return serverListen(localProxy, 0) + .then(() => anonymizeProxy(`http://${proxyAuth.username}:${proxyAuth.password}@127.0.0.1:${localProxy.address().port}`)) + .then((url) => { + proxyUrl = url; + listenConnectAnonymizedProxy(proxyUrl, ({ response, socket, head }) => { rawHeadersRetrieved = response.rawHeaders; }); @@ -362,16 +360,15 @@ describe('utils.anonymizeProxy', function () { uri: `https://${host}`, proxy: proxyUrl, }) - .catch(() => { - return Promise.resolve(); - }); + .catch(() => {}); }) .then(() => { expect(rawHeadersRetrieved).to.eql(['foo', 'bar']); - }); + }) + .finally(() => closeAnonymizedProxy(proxyUrl, true)) + .finally(() => localProxy.close()); }); - it('fails with invalid upstream proxy credentials', () => { let anonymousProxyUrl; return Promise.resolve() @@ -394,9 +391,7 @@ describe('utils.anonymizeProxy', function () { expect(err.message).to.contains('Received invalid response code: 502'); // Gateway error expect(wasProxyCalled).to.equal(false); }) - .then(() => { - return closeAnonymizedProxy(anonymousProxyUrl, true); - }) + .then(() => closeAnonymizedProxy(anonymousProxyUrl, true)) .then((closed) => { expect(closed).to.eql(true); }); diff --git a/test/anonymize_proxy_no_password.js b/test/anonymize_proxy_no_password.js index cf62b38f..e017118a 100644 --- a/test/anonymize_proxy_no_password.js +++ b/test/anonymize_proxy_no_password.js @@ -8,16 +8,14 @@ const basicAuthParser = require('basic-auth-parser'); const request = require('request'); const express = require('express'); -const { anonymizeProxy, closeAnonymizedProxy } = require('../build/index'); -const { PORT_SELECTION_CONFIG } = require('./tools'); - -const ORIG_PORT_SELECTION_CONFIG = { ...PORT_SELECTION_CONFIG }; +const { anonymizeProxy, closeAnonymizedProxy } = require('../src/index'); +let expressServer; let proxyServer; -let proxyPort; // eslint-disable-line no-unused-vars +let proxyPort; let testServerPort; const proxyAuth = { scheme: 'Basic', username: 'username', password: '' }; -let wasProxyCalled = false; // eslint-disable-line no-unused-vars +let wasProxyCalled = false; // Setup local proxy server and web server for the tests before(() => { @@ -62,8 +60,7 @@ before(() => { testServerPort = freePorts[1]; return new Promise((resolve, reject) => { - app.listen(testServerPort, (err) => { - if (err) reject(err); + expressServer = app.listen(testServerPort, () => { resolve(); }); }); @@ -72,10 +69,11 @@ before(() => { after(function () { this.timeout(5 * 1000); + expressServer.close(); + if (proxyServer) return util.promisify(proxyServer.close).bind(proxyServer)(); }); - const requestPromised = (opts) => { // console.log('requestPromised'); // console.dir(opts); @@ -200,8 +198,4 @@ describe('utils.anonymizeProxyNoPassword', function () { expect(closed).to.eql(false); }); }); - - after(() => { - Object.assign(PORT_SELECTION_CONFIG, PORT_SELECTION_CONFIG); - }); }); diff --git a/test/ee-memory-leak.js b/test/ee-memory-leak.js index b995769c..e92d1ca0 100644 --- a/test/ee-memory-leak.js +++ b/test/ee-memory-leak.js @@ -1,13 +1,16 @@ const net = require('net'); const http = require('http'); const { assert } = require('chai'); -const ProxyChain = require('..'); +const ProxyChain = require('../src/index'); describe('ProxyChain server', () => { + let proxyServer; let server; let port; before(() => { + proxyServer = new ProxyChain.Server(); + server = http.createServer((_request, response) => { response.end('Hello, world!'); }).listen(0); @@ -16,12 +19,11 @@ describe('ProxyChain server', () => { }); after(() => { + proxyServer.close(); server.close(); }); it('does not leak events', (done) => { - const proxyServer = new ProxyChain.Server(); - let socket; let registeredCount; proxyServer.server.prependOnceListener('request', (request) => { diff --git a/test/server.js b/test/server.js index b7a42fe1..e5811727 100644 --- a/test/server.js +++ b/test/server.js @@ -5,18 +5,18 @@ const childProcess = require('child_process'); const net = require('net'); const dns = require('dns'); const util = require('util'); -const _ = require('underscore'); const { expect, assert } = require('chai'); const proxy = require('proxy'); const http = require('http'); const portastic = require('portastic'); const request = require('request'); const WebSocket = require('faye-websocket'); +const { gotScraping } = require('got-scraping'); -const { parseUrl, parseProxyAuthorizationHeader } = require('../build/tools'); -const { Server, RequestError } = require('../build/index'); -const { TargetServer } = require('./target_server'); -const ProxyChain = require('../build/index'); +const { parseAuthorizationHeader } = require('../src/utils/parse_authorization_header'); +const { Server, RequestError } = require('../src/index'); +const { TargetServer } = require('./utils/target_server'); +const ProxyChain = require('../src/index'); /* TODO - add following tests: @@ -54,12 +54,8 @@ const AUTH_REALM = 'Test Proxy'; // Test space in realm string const requestPromised = (opts) => { return new Promise((resolve, reject) => { - const result = request(opts, (error, response, body) => { + request(opts, (error, response, body) => { if (error) { - /* console.log('REQUEST'); - console.dir(response); - console.dir(body); - console.dir(result); */ return reject(error); } resolve(response, body); @@ -67,7 +63,7 @@ const requestPromised = (opts) => { }); }; -const wait = (timeout) => new Promise(resolve => setTimeout(resolve, timeout)); +const wait = (timeout) => new Promise((resolve) => setTimeout(resolve, timeout)); // Opens web page in phantomjs and returns the HTML content const phantomGet = (url, proxyUrl) => { @@ -76,13 +72,16 @@ const phantomGet = (url, proxyUrl) => { let proxyParams = ''; if (proxyUrl) { - const parsed = parseUrl(proxyUrl); + const parsed = new URL(proxyUrl); + const username = decodeURIComponent(parsed.username); + const password = decodeURIComponent(parsed.password); + proxyParams += `--proxy-type=http --proxy=${parsed.hostname}:${parsed.port} `; - if (parsed.username || parsed.password) { - if ((parsed.username && !parsed.password) || (!parsed.username && parsed.password)) { + if (username || password) { + if ((username && !password) || (!username && password)) { throw new Error('PhantomJS cannot handle proxy only username or password!'); } - proxyParams += `--proxy-auth=${parsed.username}:${parsed.password} `; + proxyParams += `--proxy-auth=${username}:${password} `; } } @@ -134,6 +133,8 @@ const createTestSuite = ({ let upstreamProxyServer; let upstreamProxyPort; + // eslint is dumb + // eslint-disable-next-line no-unused-vars let upstreamProxyWasCalled = false; let upstreamProxyRequestCount = 0; @@ -141,11 +142,15 @@ const createTestSuite = ({ let mainProxyServerStatisticsInterval; const mainProxyServerConnections = {}; let mainProxyServerPort; + // eslint is dumb + // eslint-disable-next-line no-unused-vars const mainProxyRequestCount = 0; const mainProxyServerConnectionIds = []; const mainProxyServerConnectionsClosed = []; const mainProxyServerConnectionId2Stats = {}; + let upstreamProxyHostname = '127.0.0.1'; + let baseUrl; let mainProxyUrl; const getRequestOpts = (pathOrUrl) => { @@ -195,10 +200,10 @@ const createTestSuite = ({ return fn(null, false); } - const parsed = parseProxyAuthorizationHeader(auth); - const isEqual = _.isEqual(parsed, upstreamProxyAuth); + const parsed = parseAuthorizationHeader(auth); + const isEqual = ['type', 'username', 'password'].every((name) => parsed[name] === upstreamProxyAuth[name]); // console.log('Parsed "Proxy-Authorization": parsed: %j expected: %j : %s', parsed, upstreamProxyAuth, isEqual); - if (isEqual) upstreamProxyWasCalled = true; + if (upstreamProxyAuth === null || isEqual) upstreamProxyWasCalled = true; fn(null, isEqual); }; @@ -247,7 +252,7 @@ const createTestSuite = ({ let addToMainProxyServerConnectionIds = true; expect(request).to.be.an('object'); - expect(port).to.be.an('number'); + expect(port).to.be.an('string'); // All the fake hostnames here have a .gov TLD, because without a TLD, // the tests would fail on GitHub Actions. We assume nobody will register @@ -268,11 +273,9 @@ const createTestSuite = ({ if (hostname === 'test-custom-response-simple.gov') { result.customResponseFunction = () => { - const trgParsed = parseUrl(request.url); - expect(trgParsed).to.deep.include({ - host: hostname, - path: '/some/path' - }); + const trgParsed = new URL(request.url); + expect(trgParsed.host).to.be.eql(hostname); + expect(trgParsed.pathname).to.be.eql('/some/path'); return { body: 'TEST CUSTOM RESPONSE SIMPLE', }; @@ -284,12 +287,11 @@ const createTestSuite = ({ if (hostname === 'test-custom-response-complex.gov') { result.customResponseFunction = () => { - const trgParsed = parseUrl(request.url); - expect(trgParsed).to.deep.include({ - hostname, - path: '/some/path?query=456', - }); - expect(port).to.be.eql(1234); + const trgParsed = new URL(request.url); + expect(trgParsed.hostname).to.be.eql(hostname); + expect(trgParsed.pathname).to.be.eql('/some/path'); + expect(trgParsed.search).to.be.eql('?query=456'); + expect(port).to.be.eql('1234'); return { statusCode: 201, headers: { @@ -303,11 +305,9 @@ const createTestSuite = ({ if (hostname === 'test-custom-response-long.gov') { result.customResponseFunction = () => { - const trgParsed = parseUrl(request.url); - expect(trgParsed).to.deep.include({ - host: hostname, - path: '/' - }); + const trgParsed = new URL(request.url); + expect(trgParsed.host).to.be.eql(hostname); + expect(trgParsed.pathname).to.be.eql('/'); return { body: 'X'.repeat(5000000), }; @@ -316,11 +316,9 @@ const createTestSuite = ({ if (hostname === 'test-custom-response-promised.gov') { result.customResponseFunction = () => { - const trgParsed = parseUrl(request.url); - expect(trgParsed).to.deep.include({ - host: hostname, - path: '/some/path' - }); + const trgParsed = new URL(request.url); + expect(trgParsed.host).to.be.eql(hostname); + expect(trgParsed.pathname).to.be.eql('/some/path'); return Promise.resolve().then(() => { return { body: 'TEST CUSTOM RESPONSE PROMISED', @@ -364,8 +362,11 @@ const createTestSuite = ({ } else { let auth = ''; // NOTE: We URI-encode just username, not password, which might contain - if (upstreamProxyAuth) auth = `${encodeURIComponent(upstreamProxyAuth.username)}:${upstreamProxyAuth.password}@`; - upstreamProxyUrl = `http://${auth}127.0.0.1:${upstreamProxyPort}`; + if (upstreamProxyAuth) { + auth = `${encodeURIComponent(upstreamProxyAuth.username)}:${encodeURIComponent(upstreamProxyAuth.password)}@`; + } + + upstreamProxyUrl = `http://${auth}${upstreamProxyHostname}:${upstreamProxyPort}`; } result.upstreamProxyUrl = upstreamProxyUrl; @@ -391,7 +392,7 @@ const createTestSuite = ({ mainProxyServer = new Server(opts); mainProxyServer.on('connectionClosed', ({ connectionId, stats }) => { - assert.include(mainProxyServer.getConnectionIds(), connectionId.toString()); + assert.include(mainProxyServer.getConnectionIds(), connectionId); mainProxyServerConnectionsClosed.push(connectionId); const index = mainProxyServerConnectionIds.indexOf(connectionId); mainProxyServerConnectionIds.splice(index, 1); @@ -439,12 +440,12 @@ const createTestSuite = ({ return promise.then(() => { assert.fail(); }) - .catch((err) => { - expect(err.message).to.contain(`${expectedStatusCode}`); - }) - .finally(() => { - mainProxyServer.removeListener('requestFailed', onRequestFailed); - }); + .catch((err) => { + expect(err.message).to.contain(`${expectedStatusCode}`); + }) + .finally(() => { + mainProxyServer.removeListener('requestFailed', onRequestFailed); + }); } return promise.then((response) => { expect(response.statusCode).to.eql(expectedStatusCode); @@ -458,25 +459,97 @@ const createTestSuite = ({ } return response; }) - .finally(() => { - mainProxyServer.removeListener('requestFailed', onRequestFailed); - }); + .finally(() => { + mainProxyServer.removeListener('requestFailed', onRequestFailed); + }); }; // Replacement for it() that checks whether the tests really called the main and upstream proxies // Only use this for requests that are supposed to go through, e.g. not invalid credentials + // eslint-disable-next-line no-underscore-dangle const _it = (description, func) => { it(description, () => { const upstreamCount = upstreamProxyRequestCount; const mainCount = mainProxyServer ? mainProxyServer.stats.connectRequestCount + mainProxyServer.stats.httpRequestCount : null; return func() .then(() => { - if (useMainProxy) expect(mainCount).to.be.below(mainProxyServer.stats.connectRequestCount + mainProxyServer.stats.httpRequestCount); - if (useUpstreamProxy) expect(upstreamCount).to.be.below(upstreamProxyRequestCount); + if (useMainProxy) { + expect(mainCount).to.be.below(mainProxyServer.stats.connectRequestCount + mainProxyServer.stats.httpRequestCount); + } + + if (useUpstreamProxy) { + expect(upstreamCount).to.be.below(upstreamProxyRequestCount); + } }); }); }; + if (useUpstreamProxy) { + _it('upstream ipv6', async () => { + upstreamProxyHostname = '[::1]'; + const opts = getRequestOpts('/hello-world'); + + try { + const response = await requestPromised(opts); + + expect(response.body).to.eql('Hello world!'); + expect(response.statusCode).to.eql(200); + } finally { + upstreamProxyHostname = '127.0.0.1'; + } + }); + } else if (useMainProxy && process.versions.node.split('.')[0] >= 15) { + // Version check is required because HTTP/2 negotiation + // is not supported on Node.js < 15. + + _it('direct ipv6', async () => { + const opts = getRequestOpts('/hello-world'); + opts.url = opts.url.replace('127.0.0.1', '[::1]'); + + // `request` proxy implementation fails to normalize IPv6. + // `got-scraping` normalizes IPv6 properly. + const response = await gotScraping({ + url: opts.url, + headers: opts.headers, + timeout: { + request: opts.timeout, + }, + proxyUrl: opts.proxy, + https: { + key: opts.key, + }, + }); + + expect(response.body).to.eql('Hello world!'); + expect(response.statusCode).to.eql(200); + }); + } else if (!useSsl && process.versions.node.split('.')[0] >= 15) { + // Version check is required because HTTP/2 negotiation + // is not supported on Node.js < 15. + + _it('forward ipv6', async () => { + const opts = getRequestOpts('/hello-world'); + opts.url = opts.url.replace('127.0.0.1', '[::1]'); + + // `request` proxy implementation fails to normalize IPv6. + // `got-scraping` normalizes IPv6 properly. + const response = await gotScraping({ + url: opts.url, + headers: opts.headers, + timeout: { + request: opts.timeout, + }, + proxyUrl: opts.proxy, + https: { + key: opts.key, + }, + }); + + expect(response.body).to.eql('Hello world!'); + expect(response.statusCode).to.eql(200); + }); + } + ['GET', 'POST', 'PUT', 'DELETE'].forEach((method) => { _it(`handles simple ${method} request`, () => { const opts = getRequestOpts('/hello-world'); @@ -513,7 +586,7 @@ const createTestSuite = ({ // Note that after Node.js introduced a stricter HTTP parsing as a security hotfix // (https://snyk.io/blog/node-js-release-fixes-a-critical-http-security-vulnerability/) // this test broke down so we had to add NODE_OPTIONS=--insecure-http-parser to "npm test" command - const nodeMajorVersion = parseInt(process.versions.node.split('.')[0]); + const nodeMajorVersion = parseInt(process.versions.node.split('.')[0], 10); const skipInvalidHeaderValue = nodeMajorVersion >= 12; const opts = getRequestOpts(`/get-non-standard-headers?skipInvalidHeaderValue=${skipInvalidHeaderValue ? '1' : '0'}`); @@ -547,8 +620,8 @@ const createTestSuite = ({ return requestPromised(opts) .then((response) => { if (useMainProxy) { - expect(response.statusCode).to.eql(500); - expect(response.body).to.match(/with an invalid HTTP status code/); + expect(response.statusCode).to.eql(502); + expect(response.body).to.eql('Bad status!'); } else { expect(response.statusCode).to.eql(55); expect(response.body).to.eql('Bad status!'); @@ -567,13 +640,7 @@ const createTestSuite = ({ expect(response.statusCode).to.eql(200); expect(response.headers).to.be.an('object'); - // The server returns two headers with same names: - // ... 'Repeating-Header', 'HeaderValue1' ... 'Repeating-Header', 'HeaderValue2' ... - // All headers should be present - const firstIndex = response.rawHeaders.indexOf('Repeating-Header'); - expect(response.rawHeaders[firstIndex + 1]).to.eql('HeaderValue1'); - const secondIndex = response.rawHeaders.indexOf('Repeating-Header', firstIndex + 1); - expect(response.rawHeaders[secondIndex + 1]).to.eql('HeaderValue2'); + expect(response.headers['repeating-header']).to.eql('HeaderValue1, HeaderValue2'); }); }); @@ -587,9 +654,9 @@ const createTestSuite = ({ let httpMsg; if (useMainProxy) { port = mainProxyServerPort; - httpMsg = `GET http://localhost:${targetServerPort}/echo-raw-headers HTTP/1.1\r\n` + - 'Host: dummy1.example.com\r\n' + - 'Host: dummy2.example.com\r\n'; + httpMsg = `GET http://localhost:${targetServerPort}/echo-raw-headers HTTP/1.1\r\n` + + 'Host: dummy1.example.com\r\n' + + 'Host: dummy2.example.com\r\n'; if (mainProxyAuth) { const auth = Buffer.from(`${mainProxyAuth.username}:${mainProxyAuth.password}`).toString('base64'); httpMsg += `Proxy-Authorization: Basic ${auth}\r\n`; @@ -597,9 +664,9 @@ const createTestSuite = ({ httpMsg += '\r\n'; } else { port = targetServerPort; - httpMsg = 'GET /echo-raw-headers HTTP/1.1\r\n' + - 'Host: dummy1.example.com\r\n' + - 'Host: dummy2.example.com\r\n\r\n'; + httpMsg = 'GET /echo-raw-headers HTTP/1.1\r\n' + + 'Host: dummy1.example.com\r\n' + + 'Host: dummy2.example.com\r\n\r\n'; } const client = net.createConnection({ port }, () => { @@ -621,7 +688,6 @@ const createTestSuite = ({ }); client.on('error', reject); }); - }); } @@ -787,7 +853,7 @@ const createTestSuite = ({ proxy: { origin: mainProxyUrl, tls: useSsl ? { cert: sslCrt } : null, - } + }, }); ws.on('error', (err) => { @@ -831,14 +897,14 @@ const createTestSuite = ({ _it('removes hop-by-hop headers (HTTP-only) and leaves other ones', () => { const opts = getRequestOpts('/echo-request-info'); opts.headers['X-Test-Header'] = 'my-test-value'; - opts.headers['TE'] = 'MyTest'; + opts.headers.TE = 'MyTest'; return requestPromised(opts) .then((response) => { expect(response.statusCode).to.eql(200); expect(response.headers['content-type']).to.eql('application/json'); const req = JSON.parse(response.body); expect(req.headers['x-test-header']).to.eql('my-test-value'); - expect(req.headers['te']).to.eql(useSsl ? 'MyTest' : undefined); + expect(req.headers.te).to.eql(useSsl ? 'MyTest' : undefined); }); }); @@ -879,22 +945,22 @@ const createTestSuite = ({ it('returns 500 on error in prepareRequestFunction', () => { return Promise.resolve() - .then(() => { - const opts = getRequestOpts(`${useSsl ? 'https' : 'http'}://activate-error-in-prep-req-func-throw.gov`); - return testForErrorResponse(opts, 500); - }) - .then(() => { - const opts = getRequestOpts(`${useSsl ? 'https' : 'http'}://activate-error-in-prep-req-func-promise.gov`); - return testForErrorResponse(opts, 500); - }) - .then(() => { - const opts = getRequestOpts(`${useSsl ? 'https' : 'http'}://activate-error-in-prep-req-func-throw-known.gov`); - return testForErrorResponse(opts, 501); - }) - .then(() => { - const opts = getRequestOpts(`${useSsl ? 'https' : 'http'}://activate-error-in-prep-req-func-promise-known.gov`); - return testForErrorResponse(opts, 501); - }); + .then(() => { + const opts = getRequestOpts(`${useSsl ? 'https' : 'http'}://activate-error-in-prep-req-func-throw.gov`); + return testForErrorResponse(opts, 500); + }) + .then(() => { + const opts = getRequestOpts(`${useSsl ? 'https' : 'http'}://activate-error-in-prep-req-func-promise.gov`); + return testForErrorResponse(opts, 500); + }) + .then(() => { + const opts = getRequestOpts(`${useSsl ? 'https' : 'http'}://activate-error-in-prep-req-func-throw-known.gov`); + return testForErrorResponse(opts, 501); + }) + .then(() => { + const opts = getRequestOpts(`${useSsl ? 'https' : 'http'}://activate-error-in-prep-req-func-promise-known.gov`); + return testForErrorResponse(opts, 501); + }); }); } @@ -909,9 +975,22 @@ const createTestSuite = ({ return testForErrorResponse(opts, 500); }); - it('fails gracefully on invalid upstream proxy username', () => { + it('fails gracefully on invalid upstream proxy username', async () => { const opts = getRequestOpts(`${useSsl ? 'https' : 'http'}://activate-invalid-upstream-proxy-username`); - return testForErrorResponse(opts, 500); + + if (useSsl) { + try { + await requestPromised(opts); + expect(false).to.be.eql(true); + } catch (error) { + expect(error.message).to.be.eql('tunneling socket could not be established, statusCode=502'); + } + } else { + const response = await requestPromised(opts); + + expect(response.statusCode).to.be.eql(502); + expect(response.body).to.be.eql('Invalid colon in username in upstream proxy credentials'); + } }); it('fails gracefully on non-existent upstream proxy host', () => { @@ -1017,7 +1096,6 @@ const createTestSuite = ({ // but for HTTPS, in Node 10+, they linger for some reason... // return util.promisify(upstreamProxyServer.close).bind(upstreamProxyServer)(); upstreamProxyServer.close(); - } }) .then(() => { @@ -1122,6 +1200,37 @@ describe('non-200 upstream connect response', () => { }); }); +it('supports localAddress', async () => { + const target = http.createServer((serverRequest, serverResponse) => { + serverResponse.end(serverRequest.socket.remoteAddress); + }); + + await util.promisify(target.listen.bind(target))(0); + + const server = new Server({ + port: 0, + prepareRequestFunction: () => { + return { + localAddress: '127.0.0.2', + }; + }, + }); + + await server.listen(); + + const response = await requestPromised({ + url: `http://127.0.0.1:${target.address().port}`, + proxy: `http://127.0.0.2:${server.port}`, + }); + + try { + expect(response.body).to.be.equal('::ffff:127.0.0.2'); + } finally { + await server.close(); + await util.promisify(target.close.bind(target))(); + } +}); + // Run all combinations of test parameters const useSslVariants = [ false, @@ -1147,7 +1256,6 @@ const upstreamProxyAuthVariants = [ useSslVariants.forEach((useSsl) => { mainProxyAuthVariants.forEach((mainProxyAuth) => { - const baseDesc = `Server (${useSsl ? 'HTTPS' : 'HTTP'} -> Main proxy`; // Test custom response separately (it doesn't use upstream proxies) diff --git a/test/tcp_tunnel.js b/test/tcp_tunnel.js index 8c4a2968..cd660cdc 100644 --- a/test/tcp_tunnel.js +++ b/test/tcp_tunnel.js @@ -1,13 +1,11 @@ -const _ = require('underscore'); const net = require('net'); const { expect, assert } = require('chai'); const http = require('http'); const proxy = require('proxy'); -const { createTunnel, closeTunnel } = require('../build/index'); -const { findFreePort } = require('./tools'); +const { createTunnel, closeTunnel } = require('../src/index'); -const destroySocket = socket => new Promise((resolve, reject) => { +const destroySocket = (socket) => new Promise((resolve, reject) => { if (!socket || socket.destroyed) return resolve(); socket.destroy((err) => { if (err) return reject(err); @@ -16,13 +14,16 @@ const destroySocket = socket => new Promise((resolve, reject) => { }); const serverListen = (server, port) => new Promise((resolve, reject) => { - server.listen(port, (err) => { - if (err) return reject(err); - return resolve(port); + server.once('error', reject); + + server.listen(port, () => { + server.off('error', reject); + + resolve(server.address().port); }); }); -const connect = port => new Promise((resolve, reject) => { +const connect = (port) => new Promise((resolve, reject) => { const socket = net.connect({ port }, (err) => { if (err) return reject(err); return resolve(socket); @@ -39,94 +40,73 @@ const closeServer = (server, connections) => new Promise((resolve, reject) => { }); }); -let targetService; -const targetServiceConnections = []; -let proxyServer; -const proxyServerConnections = []; -let localConnection; - -after(function () { - this.timeout(10 * 1000); - return closeServer(proxyServer, proxyServerConnections) - .then(() => closeServer(targetService, targetServiceConnections)) - .then(() => destroySocket(localConnection)); -}); - describe('tcp_tunnel.createTunnel', () => { it('throws error if proxyUrl is not in correct format', () => { assert.throws(() => { createTunnel('socks://user:password@whatever.com:123', 'localhost:9000'); }, /must have the "http" protocol/); - assert.throws(() => { createTunnel('socks5://user:password@whatever.com', 'localhost:9000'); }, /must contain hostname and port/); - assert.throws(() => { createTunnel('http://us%3Aer:password@whatever.com:345', 'localhost:9000'); }, /cannot contain the colon/); + assert.throws(() => { createTunnel('socks5://user:password@whatever.com', 'localhost:9000'); }, /must have the "http" protocol/); }); it('throws error if target is not in correct format', () => { - assert.throws(() => { createTunnel('http://user:password@whatever.com:12'); }, /target host needs to include both/); - assert.throws(() => { createTunnel('http://user:password@whatever.com:12', null); }, /target host needs to include both/); - assert.throws(() => { createTunnel('http://user:password@whatever.com:12', ''); }, /target host needs to include both/); - assert.throws(() => { createTunnel('http://user:password@whatever.com:12', 'whatever'); }, /target host needs to include both/); - assert.throws(() => { createTunnel('http://user:password@whatever.com:12', 'whatever:'); }, /target host needs to include both/); - assert.throws(() => { createTunnel('http://user:password@whatever.com:12', ':whatever'); }, /target host needs to include both/); + assert.throws(() => { createTunnel('http://user:password@whatever.com:12'); }, 'Missing target hostname'); + assert.throws(() => { createTunnel('http://user:password@whatever.com:12', null); }, 'Missing target hostname'); + assert.throws(() => { createTunnel('http://user:password@whatever.com:12', ''); }, 'Missing target hostname'); + assert.throws(() => { createTunnel('http://user:password@whatever.com:12', 'whatever'); }, 'Missing target port'); + assert.throws(() => { createTunnel('http://user:password@whatever.com:12', 'whatever:'); }, 'Missing target port'); + assert.throws(() => { createTunnel('http://user:password@whatever.com:12', ':whatever'); }, /Invalid URL/); }); it('correctly tunnels to tcp service and then is able to close the connection', () => { - let proxyPort; - let servicePort; - return findFreePort() - .then((port) => { - proxyServer = proxy(http.createServer()); - proxyPort = port; - return serverListen(proxyServer, proxyPort); - }) - .then(() => findFreePort()) - .then((port) => { - targetService = net.createServer(); - servicePort = port; - targetService.on('connection', (conn) => { - conn.setEncoding('utf8'); - conn.on('data', conn.write); - conn.on('error', (err) => { throw err; }); - }); - return serverListen(targetService, servicePort); - }) - .then(() => { - return createTunnel(`http://localhost:${proxyPort}`, `localhost:${servicePort}`); + const proxyServerConnections = []; + + const proxyServer = proxy(http.createServer()); + proxyServer.on('connection', (conn) => proxyServerConnections.push(conn)); + + const targetServiceConnections = []; + const targetService = net.createServer(); + targetService.on('connection', (conn) => { + targetServiceConnections.push(conn); + conn.setEncoding('utf8'); + conn.on('data', conn.write); + conn.on('error', (err) => { throw err; }); + }); + + return serverListen(proxyServer, 0) + .then(() => serverListen(targetService, 0)) + .then((targetServicePort) => { + return createTunnel(`http://localhost:${proxyServer.address().port}`, `localhost:${targetServicePort}`); }) - .then(closeTunnel); + .then(closeTunnel) + .finally(() => closeServer(proxyServer, proxyServerConnections)) + .finally(() => closeServer(targetService, targetServiceConnections)); }); it('correctly tunnels to tcp service and then is able to close the connection when used with callbacks', () => { - let proxyPort; - let servicePort; - return findFreePort() - .then((port) => { - proxyServer = proxy(http.createServer()); - proxyPort = port; - return serverListen(proxyServer, proxyPort); - }) - .then(() => findFreePort()) - .then((port) => { - targetService = net.createServer(); - servicePort = port; - targetService.on('connection', (conn) => { - conn.setEncoding('utf8'); - conn.on('data', conn.write); - conn.on('error', (err) => { throw err; }); - }); - return serverListen(targetService, servicePort); - }) - .then(() => new Promise((resolve, reject) => { - createTunnel(`http://localhost:${proxyPort}`, `localhost:${servicePort}`, {}, (err, tunnel) => { + const proxyServerConnections = []; + + const proxyServer = proxy(http.createServer()); + proxyServer.on('connection', (conn) => proxyServerConnections.push(conn)); + + const targetServiceConnections = []; + const targetService = net.createServer(); + targetService.on('connection', (conn) => { + targetServiceConnections.push(conn); + conn.setEncoding('utf8'); + conn.on('data', conn.write); + conn.on('error', (err) => { throw err; }); + }); + + return serverListen(proxyServer, 0) + .then(() => serverListen(targetService, 0)) + .then((targetServicePort) => new Promise((resolve, reject) => { + createTunnel(`http://localhost:${proxyServer.address().port}`, `localhost:${targetServicePort}`, {}, (err, tunnel) => { if (err) return reject(err); return resolve(tunnel); }); - }) - .then(tunnel => new Promise((resolve, reject) => { - closeTunnel(tunnel, true, (err, closed) => { - if (err) return reject(err); - return resolve(closed); - }); - }))); + }).then((tunnel) => closeTunnel(tunnel, true)) + .then((result) => { + assert.equal(result, true); + })) + .finally(() => closeServer(proxyServer, proxyServerConnections)) + .finally(() => closeServer(targetService, targetServiceConnections)); }); it('creates tunnel that is able to transfer data', () => { - let proxyPort; - let servicePort; let tunnel; let response = ''; const expected = [ @@ -134,37 +114,36 @@ describe('tcp_tunnel.createTunnel', () => { 'testB', 'testC', ]; - return findFreePort() - .then((port) => { - proxyServer = proxy(http.createServer()); - proxyServer.on('connection', conn => proxyServerConnections.push(conn)); - proxyPort = port; - return serverListen(proxyServer, proxyPort); - }) - .then(() => findFreePort()) - .then((port) => { - targetService = net.createServer(); - servicePort = port; - targetService.on('connection', (conn) => { - targetServiceConnections.push(conn); - conn.setEncoding('utf8'); - conn.on('data', conn.write); - conn.on('error', err => conn.write(JSON.stringify(err))); - }); - return serverListen(targetService, servicePort); - }) - .then(() => createTunnel(`http://localhost:${proxyPort}`, `localhost:${servicePort}`)) + + const proxyServerConnections = []; + + const proxyServer = proxy(http.createServer()); + proxyServer.on('connection', (conn) => proxyServerConnections.push(conn)); + + const targetServiceConnections = []; + const targetService = net.createServer(); + targetService.on('connection', (conn) => { + targetServiceConnections.push(conn); + conn.setEncoding('utf8'); + conn.on('data', conn.write); + conn.on('error', (err) => conn.write(JSON.stringify(err))); + }); + + return serverListen(proxyServer, 0) + .then(() => serverListen(targetService, 0)) + .then((targetServicePort) => createTunnel(`http://localhost:${proxyServer.address().port}`, `localhost:${targetServicePort}`)) .then((newTunnel) => { tunnel = newTunnel; - const [hostname, port] = tunnel.split(':'); // eslint-disable-line + + const { port } = new URL(`connect://${newTunnel}`); + return connect(port); }) .then((connection) => { - localConnection = connection; connection.setEncoding('utf8'); connection.on('data', (d) => { response += d; }); - expected.forEach(text => connection.write(`${text}\r\n`)); - return new Promise(resolve => setTimeout(() => { + expected.forEach((text) => connection.write(`${text}\r\n`)); + return new Promise((resolve) => setTimeout(() => { connection.end(); resolve(tunnel); }, 500)); @@ -172,6 +151,8 @@ describe('tcp_tunnel.createTunnel', () => { .then(() => { expect(response.trim().split('\r\n')).to.be.deep.eql(expected); return closeTunnel(tunnel); - }); + }) + .finally(() => closeServer(proxyServer, proxyServerConnections)) + .finally(() => closeServer(targetService, targetServiceConnections)); }); }); diff --git a/test/tools.js b/test/tools.js index b0c734b3..10bdf242 100644 --- a/test/tools.js +++ b/test/tools.js @@ -1,205 +1,8 @@ const { expect } = require('chai'); -const net = require('net'); -const portastic = require('portastic'); -const { - parseUrl, redactUrl, parseHostHeader, isHopByHopHeader, isInvalidHeader, - parseProxyAuthorizationHeader, addHeader, - nodeify, maybeAddProxyAuthorizationHeader, -} = require('../build/tools'); - -/* global describe, it */ - -const PORT_SELECTION_CONFIG = { - FROM: 20000, - TO: 60000, - RETRY_COUNT: 10, -}; - -const findFreePort = () => { - // Let 'min' be a random value in the first half of the PORT_FROM-PORT_TO range, - // to reduce a chance of collision if other ProxyChain is started at the same time. - const half = Math.floor((PORT_SELECTION_CONFIG.TO - PORT_SELECTION_CONFIG.FROM) / 2); - - const opts = { - min: PORT_SELECTION_CONFIG.FROM + Math.floor(Math.random() * half), - max: PORT_SELECTION_CONFIG.TO, - retrieve: 1, - }; - - return portastic.find(opts) - .then((ports) => { - if (ports.length < 1) throw new Error(`There are no more free ports in range from ${PORT_SELECTION_CONFIG.FROM} to ${PORT_SELECTION_CONFIG.TO}`); // eslint-disable-line max-len - return ports[0]; - }); -}; - -const testUrl = (url, expected) => { - const parsed1 = parseUrl(url); - expect(parsed1).to.contain(expected); -}; - -describe('tools.parseUrl()', () => { - it('works', () => { - testUrl('https://username:password@www.example.COM:12345/some/path', { - auth: 'username:password', - protocol: 'https:', - scheme: 'https', - username: 'username', - password: 'password', - host: 'www.example.com:12345', - hostname: 'www.example.com', - port: 12345, - }); - - testUrl('https://username:password@www.example.com/some/path', { - auth: 'username:password', - protocol: 'https:', - scheme: 'https', - username: 'username', - password: 'password', - host: 'www.example.com', - hostname: 'www.example.com', - port: 443, - path: '/some/path', - }); - - testUrl('http://us-er+na12345me:@WWW.EXAMPLE.COM:12345/some/path', { - auth: 'us-er+na12345me:', - protocol: 'http:', - scheme: 'http', - username: 'us-er+na12345me', - password: '', - host: 'www.example.com:12345', - hostname: 'www.example.com', - port: 12345, - path: '/some/path', - }); - - testUrl('https://EXAMPLE.COM:12345/some/path', { - auth: '', - protocol: 'https:', - scheme: 'https', - username: '', - password: '', // not null! - host: 'example.com:12345', - hostname: 'example.com', - port: 12345, - path: '/some/path', - }); - - testUrl('https://:passwrd@EXAMPLE.COM:12345/some/path', { - auth: ':passwrd', - protocol: 'https:', - scheme: 'https', - username: '', - password: 'passwrd', - host: 'example.com:12345', - hostname: 'example.com', - port: 12345, - path: '/some/path', - }); - - testUrl('socks5://username@EXAMPLE.com:12345/some/path', { - auth: 'username:', - protocol: 'socks5:', - scheme: 'socks5', - username: 'username', - password: '', - // TODO: Why the hell it's UPPERCASE here??? And lower-case above for EXAMPLE.COM ? - host: 'EXAMPLE.com:12345', - hostname: 'EXAMPLE.com', - port: 12345, - }); - - testUrl('FTP://@FTP.EXAMPLE.COM:12345/some/path', { - auth: '', - protocol: 'ftp:', - scheme: 'ftp', - username: '', - password: '', - hostname: 'ftp.example.com', - port: 12345, - }); - - testUrl('HTTP://www.example.com:12345/some/path', { - protocol: 'http:', - scheme: 'http', - username: '', - password: '', - hostname: 'www.example.com', - port: 12345, - path: '/some/path', - }); - - testUrl('HTTP://www.example.com/some/path', { - protocol: 'http:', - scheme: 'http', - username: '', - password: '', - port: 80, - }); - - testUrl('http://[2001:db8:85a3:8d3:1319:8a2e:370:7348]/', { - protocol: 'http:', - scheme: 'http', - username: '', - password: '', - hostname: '[2001:db8:85a3:8d3:1319:8a2e:370:7348]', - port: 80, - }); - - testUrl('http://[2001:db8:85a3:8d3:1319:8a2e:370:7348]:12345/', { - protocol: 'http:', - scheme: 'http', - username: '', - password: '', - hostname: '[2001:db8:85a3:8d3:1319:8a2e:370:7348]', - port: 12345, - }); - - // Note the upper-case "DB" here and lower-case "db" below - testUrl('http://username:password@[2001:DB8:85a3:8d3:1319:8a2e:370:7348]:12345/', { - protocol: 'http:', - scheme: 'http', - username: 'username', - password: 'password', - host: '[2001:db8:85a3:8d3:1319:8a2e:370:7348]:12345', - hostname: '[2001:db8:85a3:8d3:1319:8a2e:370:7348]', - port: 12345, - }); - - testUrl('http://user%35name:p%%w0rd@EXAMPLE.COM:12345/', { - protocol: 'http:', - scheme: 'http', - username: 'user5name', - password: 'p%%w0rd', - hostname: 'example.com', - port: 12345, - path: '/', - }); - - // Test that default ports are added for http and https - testUrl('https://www.example.com', { port: 443 }); - testUrl('http://www.example.com', { port: 80 }); - // ... and for web sockets - testUrl('wss://www.example.com', { port: 443 }); - testUrl('ws://www.example.com', { port: 80 }); - // Test that default port is not added for other protocols - testUrl('socks5://www.example.com', { port: null }); - testUrl('socks5://www.example.com:1080', { port: 1080 }); - // Test that explicit port is returned when specified - testUrl('https://www.example.com:12345', { port: 12345 }); - testUrl('http://www.example.com:12345', { port: 12345 }); - - expect(() => { - parseUrl('/some-relative-url?a=1'); - }).to.throw(/Invalid URL/); - - expect(() => { - parseUrl('A nonsense, really.'); - }).to.throw(/Invalid URL/); - }); -}); +const { redactUrl } = require('../src/utils/redact_url'); +const { isHopByHopHeader } = require('../src/utils/is_hop_by_hop_header'); +const { parseAuthorizationHeader } = require('../src/utils/parse_authorization_header'); +const { nodeify } = require('../src/utils/nodeify'); describe('tools.redactUrl()', () => { it('works', () => { @@ -227,36 +30,6 @@ describe('tools.redactUrl()', () => { }); }); -describe('tools.parseHostHeader()', () => { - it('works with valid input', () => { - expect(parseHostHeader('www.example.com:80')).to.eql({ hostname: 'www.example.com', port: 80 }); - expect(parseHostHeader('something:1')).to.eql({ hostname: 'something', port: 1 }); - expect(parseHostHeader('something:65535')).to.eql({ hostname: 'something', port: 65535 }); - expect(parseHostHeader('example.com')).to.eql({ hostname: 'example.com', port: null }); - expect(parseHostHeader('1.2.3.4')).to.eql({ hostname: '1.2.3.4', port: null }); - expect(parseHostHeader('1.2.3.4:5555')).to.eql({ hostname: '1.2.3.4', port: 5555 }); - expect(parseHostHeader('a.b.c.d.e.f.g:1')).to.eql({ hostname: 'a.b.c.d.e.f.g', port: 1 }); - }); - - it('works with invalid input', () => { - expect(parseHostHeader(null)).to.eql(null); - expect(parseHostHeader('')).to.eql(null); - expect(parseHostHeader('bla bla')).to.eql(null); - expect(parseHostHeader(' ')).to.eql(null); - expect(parseHostHeader(' : ')).to.eql(null); - expect(parseHostHeader('12 34')).to.eql(null); - expect(parseHostHeader('example.com:')).to.eql(null); - expect(parseHostHeader('example.com:0')).to.eql(null); - expect(parseHostHeader('example.com:65536')).to.eql(null); - expect(parseHostHeader('example.com:999999')).to.eql(null); - - let LONG_HOSTNAME = ''; - for (let i = 0; i <= 256; i++) { LONG_HOSTNAME += 'a'; } - expect(parseHostHeader(LONG_HOSTNAME)).to.eql(null); - expect(parseHostHeader(`${LONG_HOSTNAME}:123`)).to.eql(null); - }); -}); - describe('tools.isHopByHopHeader()', () => { it('works', () => { expect(isHopByHopHeader('Connection')).to.eql(true); @@ -270,180 +43,95 @@ describe('tools.isHopByHopHeader()', () => { }); }); -describe('tools.isInvalidHeader()', () => { - it('works', () => { - expect(isInvalidHeader('With space', 'a')).to.eql(true); - expect(isInvalidHeader('', 'a')).to.eql(true); - expect(isInvalidHeader(undefined, 'a')).to.eql(true); - expect(isInvalidHeader(null, 'a')).to.eql(true); - expect(isInvalidHeader(1234, 'a')).to.eql(true); - expect(isInvalidHeader('\n', 'a')).to.eql(true); - expect(isInvalidHeader('', 'a')).to.eql(true); - expect(isInvalidHeader(' ', 'a')).to.eql(true); - expect(isInvalidHeader('\u3042', 'a')).to.eql(true); - expect(isInvalidHeader('\u3042a', 'a')).to.eql(true); - expect(isInvalidHeader('aaaa\u3042aaaa', 'a')).to.eql(true); - - expect(isInvalidHeader('connection', 'a')).to.eql(false); - expect(isInvalidHeader('Proxy-Authorization', 'a')).to.eql(false); - expect(isInvalidHeader('upGrade', 'a')).to.eql(false); - expect(isInvalidHeader('Host', 'a')).to.eql(false); - expect(isInvalidHeader('Whatever', 'a')).to.eql(false); - expect(isInvalidHeader('t', 'a')).to.eql(false); - expect(isInvalidHeader('tt', 'a')).to.eql(false); - expect(isInvalidHeader('ttt', 'a')).to.eql(false); - expect(isInvalidHeader('tttt', 'a')).to.eql(false); - expect(isInvalidHeader('ttttt', 'a')).to.eql(false); - - expect(isInvalidHeader('a', '\u3042')).to.eql(true); - expect(isInvalidHeader('a', 'aaaa\u3042aaaa')).to.eql(true); - expect(isInvalidHeader('aaa', 'bla\vbla')).to.eql(true); - - expect(isInvalidHeader('a', '')).to.eql(false); - expect(isInvalidHeader('a', 1)).to.eql(false); - expect(isInvalidHeader('a', ' ')).to.eql(false); - expect(isInvalidHeader('a', false)).to.eql(false); - expect(isInvalidHeader('a', 't')).to.eql(false); - expect(isInvalidHeader('a', 'tt')).to.eql(false); - expect(isInvalidHeader('a', 'ttt')).to.eql(false); - expect(isInvalidHeader('a', 'tttt')).to.eql(false); - expect(isInvalidHeader('a', 'ttttt')).to.eql(false); - }); -}); - const authStr = (type, usernameAndPassword) => { return `${type} ${Buffer.from(usernameAndPassword).toString('base64')}`; }; -describe('tools.parseProxyAuthorizationHeader()', () => { +describe('tools.parseAuthorizationHeader()', () => { it('works with valid input', () => { - const parse = parseProxyAuthorizationHeader; - - expect(parse(authStr('Basic', 'username:password'))).to.eql({ type: 'Basic', username: 'username', password: 'password' }); - expect(parse(authStr('Basic', 'user1234:password567'))).to.eql({ type: 'Basic', username: 'user1234', password: 'password567' }); - expect(parse(authStr('Basic', 'username:pass:with:many:colons'))).to.eql({ type: 'Basic', username: 'username', password: 'pass:with:many:colons' }); //eslint-disable-line - expect(parse(authStr('Basic', 'username:'))).to.eql({ type: 'Basic', username: 'username', password: '' }); - expect(parse(authStr('Basic', 'username'))).to.eql({ type: 'Basic', username: 'username', password: '' }); - expect(parse(authStr('Basic', ':'))).to.eql({ type: 'Basic', username: '', password: '' }); - expect(parse(authStr('Basic', ':passWord'))).to.eql({ type: 'Basic', username: '', password: 'passWord' }); - expect(parse(authStr('SCRAM-SHA-256', 'something:else'))).to.eql({ type: 'SCRAM-SHA-256', username: 'something', password: 'else' }); - }); + const parse = parseAuthorizationHeader; - it('works with invalid input', () => { - const parse = parseProxyAuthorizationHeader; + expect(parse(authStr('Basic', 'username:password'))).to.eql({ + type: 'Basic', + username: 'username', + password: 'password', + data: 'dXNlcm5hbWU6cGFzc3dvcmQ=', + }); - expect(parse(null)).to.eql(null); - expect(parse('')).to.eql(null); - expect(parse(' ')).to.eql(null); - expect(parse('whatever')).to.eql(null); - expect(parse('bla bla bla')).to.eql(null); - expect(parse(authStr('Basic', ''))).to.eql(null); - expect(parse('123124')).to.eql(null); - }); -}); + expect(parse(authStr('Basic', 'user1234:password567'))).to.eql({ + type: 'Basic', + username: 'user1234', + password: 'password567', + data: 'dXNlcjEyMzQ6cGFzc3dvcmQ1Njc=', + }); -describe('tools.addHeader()', () => { - it('works for new header', () => { - const headers = { - foo: 'bar', - }; + expect(parse(authStr('Basic', 'username:pass:with:many:colons'))).to.eql({ + type: 'Basic', + username: 'username', + password: 'pass:with:many:colons', + data: 'dXNlcm5hbWU6cGFzczp3aXRoOm1hbnk6Y29sb25z', + }); - addHeader(headers, 'someHeaderName', 'someHeaderValue'); + expect(parse(authStr('Basic', 'username:'))).to.eql({ + type: 'Basic', + username: 'username', + password: '', + data: 'dXNlcm5hbWU6', + }); - expect(headers).to.be.eql({ - foo: 'bar', - someHeaderName: 'someHeaderValue', + expect(parse(authStr('Basic', 'username'))).to.eql({ + type: 'Basic', + username: '', + password: '', + data: 'dXNlcm5hbWU=', }); - }); - it('works for existing single header with the same name', () => { - const headers = { - foo: 'bar', - someHeaderName: 'originalValue', - }; + expect(parse(authStr('Basic', ':'))).to.eql({ + type: 'Basic', + username: '', + password: '', + data: 'Og==', + }); - addHeader(headers, 'someHeaderName', 'newValue'); + expect(parse(authStr('Basic', ':passWord'))).to.eql({ + type: 'Basic', + username: '', + password: 'passWord', + data: 'OnBhc3NXb3Jk', + }); - expect(headers).to.be.eql({ - foo: 'bar', - someHeaderName: ['originalValue', 'newValue'], + expect(parse(authStr('SCRAM-SHA-256', 'something:else'))).to.eql({ + type: 'SCRAM-SHA-256', + data: 'c29tZXRoaW5nOmVsc2U=', }); }); - it('works for existing multiple headers with the same name', () => { - const headers = { - foo: 'bar', - someHeaderName: ['originalValue1', 'originalValue2'], - }; - - addHeader(headers, 'someHeaderName', 'newValue'); + it('works with invalid input', () => { + const parse = parseAuthorizationHeader; - expect(headers).to.be.eql({ - foo: 'bar', - someHeaderName: ['originalValue1', 'originalValue2', 'newValue'], - }); - }); -}); + expect(parse(null)).to.eql(null); + expect(parse('')).to.eql(null); + expect(parse(' ')).to.eql(null); -describe('tools.maybeAddProxyAuthorizationHeader()', () => { - it('works', () => { - const parsedUrl1 = parseUrl('http://example.com'); - const headers1 = { AAA: 123 }; - maybeAddProxyAuthorizationHeader(parsedUrl1, headers1); - expect(headers1).to.eql({ - AAA: 123, + expect(parse('whatever')).to.eql({ + type: '', + data: '', }); - const parsedUrl2 = parseUrl('http://aladdin:opensesame@userexample.com'); - const headers2 = { BBB: 123 }; - maybeAddProxyAuthorizationHeader(parsedUrl2, headers2); - expect(headers2).to.eql({ - BBB: 123, - 'Proxy-Authorization': 'Basic YWxhZGRpbjpvcGVuc2VzYW1l', + expect(parse('bla bla bla')).to.eql({ + type: 'bla', + data: 'bla bla', }); - const parsedUrl3 = parseUrl('http://ala%35ddin:opensesame@userexample.com'); - const headers3 = { BBB: 123 }; - maybeAddProxyAuthorizationHeader(parsedUrl3, headers3); - expect(headers3).to.eql({ - BBB: 123, - 'Proxy-Authorization': 'Basic YWxhNWRkaW46b3BlbnNlc2FtZQ==', + expect(parse(authStr('Basic', ''))).to.eql({ + type: '', + data: '', }); - const parsedUrl4 = parseUrl('http://ala%3Addin:opensesame@userexample.com'); - const headers4 = { BBB: 123 }; - expect(() => { - maybeAddProxyAuthorizationHeader(parsedUrl4, headers4); - }).to.throw(/The proxy username cannot contain the colon/); - }); -}); - -describe('tools.findFreePort()', () => { - it('throws nice error when no more free ports available', () => { - const server = net.createServer(); - const startServer = ports => new Promise((resolve, reject) => { - server.listen(ports[0], (err) => { - if (err) return reject(err); - resolve(ports[0]); - }); + expect(parse('123124')).to.eql({ + type: '', + data: '', }); - const PORT_SELECTION_CONFIG_BACKUP = { ...PORT_SELECTION_CONFIG }; - return portastic.find({ min: 50000, max: 50100 }) - .then(startServer) - .then((port) => { - PORT_SELECTION_CONFIG.FROM = port; - PORT_SELECTION_CONFIG.TO = port; - return findFreePort(); - }) - .then(() => assert.fail()) - .catch((err) => { - expect(err.message).to.contain('There are no more free ports'); - }) - .finally(() => { - PORT_SELECTION_CONFIG.FROM = PORT_SELECTION_CONFIG_BACKUP.FROM; - PORT_SELECTION_CONFIG.TO = PORT_SELECTION_CONFIG_BACKUP.TO; - if (server.listening) server.close(); - }); }); }); @@ -464,9 +152,8 @@ describe('tools.nodeify()', () => { { // Test promised exception const promise = asyncFunction(true); - let result; try { - result = await nodeify(promise, null); + await nodeify(promise, null); throw new Error('This should not be reached!'); } catch (e) { expect(e.message).to.eql('Test error'); @@ -489,6 +176,7 @@ describe('tools.nodeify()', () => { const promise = asyncFunction(true); await new Promise((resolve) => { nodeify(promise, (error, result) => { + expect(result, undefined); expect(error.message).to.eql('Test error'); resolve(); }); @@ -496,8 +184,3 @@ describe('tools.nodeify()', () => { } }); }); - -module.exports = { - PORT_SELECTION_CONFIG, - findFreePort, -}; diff --git a/src/run_locally.js b/test/utils/run_locally.js similarity index 90% rename from src/run_locally.js rename to test/utils/run_locally.js index 93d0ea50..17533224 100644 --- a/src/run_locally.js +++ b/test/utils/run_locally.js @@ -9,9 +9,9 @@ * */ -import http from 'http'; -import proxy from 'proxy'; // eslint-disable-line import/no-extraneous-dependencies -import { Server } from './server'; +const http = require('http'); +const proxy = require('proxy'); // eslint-disable-line import/no-extraneous-dependencies +const { Server } = require('../../src/server'); // Set up upstream proxy with no auth const upstreamProxyHttpServer = http.createServer(); diff --git a/test/target_server.js b/test/utils/target_server.js similarity index 94% rename from test/target_server.js rename to test/utils/target_server.js index eaa4f5a0..be39296d 100644 --- a/test/target_server.js +++ b/test/utils/target_server.js @@ -7,7 +7,6 @@ const WebSocket = require('ws'); const basicAuth = require('basic-auth'); const _ = require('underscore'); - /** * A HTTP server used for testing. It supports HTTPS and web sockets. */ @@ -76,17 +75,13 @@ class TargetServer { get1MACharsTogether(request, response) { response.writeHead(200, { 'Content-Type': 'text/plain' }); - let str = ''; - for (let i = 0; i < 10000; i++) { - str += 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'; - } - response.end(str); + response.end(''.padStart(1000 * 1000, 'a')); } get1MACharsStreamed(request, response) { response.writeHead(200, { 'Content-Type': 'text/plain' }); for (let i = 0; i < 10000; i++) { - response.write('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'); + response.write(`${''.padStart(99, 'a')}\n`); } response.end(); } diff --git a/src/testing_tcp_service.js b/test/utils/testing_tcp_service.js similarity index 100% rename from src/testing_tcp_service.js rename to test/utils/testing_tcp_service.js diff --git a/tsconfig.eslint.json b/tsconfig.eslint.json new file mode 100644 index 00000000..5d0f8c20 --- /dev/null +++ b/tsconfig.eslint.json @@ -0,0 +1,7 @@ +{ + "extends": "./tsconfig.json", + "include": [ + "src", + "jest.config.ts" + ] +} diff --git a/tsconfig.json b/tsconfig.json new file mode 100644 index 00000000..577dddbb --- /dev/null +++ b/tsconfig.json @@ -0,0 +1,9 @@ +{ + "extends": "@apify/tsconfig", + "compilerOptions": { + "outDir": "dist" + }, + "include": [ + "src" + ] +} From 11c299dd7b829d7260d7fcdebf2808cece81ab41 Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Mon, 18 Oct 2021 11:15:31 +0200 Subject: [PATCH 004/109] feat: export more types --- src/index.ts | 10 +++++----- src/server.ts | 8 ++++---- 2 files changed, 9 insertions(+), 9 deletions(-) diff --git a/src/index.ts b/src/index.ts index d9d4c4e0..5a962037 100644 --- a/src/index.ts +++ b/src/index.ts @@ -1,5 +1,5 @@ -export { RequestError } from './request_error'; -export { Server } from './server'; -export { redactUrl } from './utils/redact_url'; -export { anonymizeProxy, closeAnonymizedProxy, listenConnectAnonymizedProxy } from './anonymize_proxy'; -export { createTunnel, closeTunnel } from './tcp_tunnel_tools'; +export * from './request_error'; +export * from './server'; +export * from './utils/redact_url'; +export * from './anonymize_proxy'; +export * from './tcp_tunnel_tools'; diff --git a/src/server.ts b/src/server.ts index 6587ae31..a8ab0b83 100644 --- a/src/server.ts +++ b/src/server.ts @@ -27,7 +27,7 @@ import { Socket } from './socket'; const DEFAULT_AUTH_REALM = 'ProxyChain'; const DEFAULT_PROXY_SERVER_PORT = 8000; -type ConnectionStats = { +export type ConnectionStats = { srcTxBytes: number; srcRxBytes: number; trgTxBytes: number | null; @@ -47,7 +47,7 @@ type HandlerOpts = { localAddress?: string; }; -type PrepareRequestFunctionOpts = { +export type PrepareRequestFunctionOpts = { connectionId: unknown; request: http.IncomingMessage; username: string; @@ -57,7 +57,7 @@ type PrepareRequestFunctionOpts = { isHttp: boolean; }; -type PrepareRequestFunctionResult = { +export type PrepareRequestFunctionResult = { customResponseFunction?: CustomResponseOpts['customResponseFunction']; requestAuthentication?: boolean; failMsg?: string; @@ -66,7 +66,7 @@ type PrepareRequestFunctionResult = { }; type Promisable = T | Promise; -type PrepareRequestFunction = (opts: PrepareRequestFunctionOpts) => Promisable; +export type PrepareRequestFunction = (opts: PrepareRequestFunctionOpts) => Promisable; /** * Represents the proxy server. From 7651b35ad3af4f8de5be7d9c7554a924dfa5610c Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Mon, 18 Oct 2021 11:21:28 +0200 Subject: [PATCH 005/109] fix: include tslib --- package.json | 3 +++ 1 file changed, 3 insertions(+) diff --git a/package.json b/package.json index 7a02e1d2..d5edd2ad 100644 --- a/package.json +++ b/package.json @@ -83,5 +83,8 @@ "exclude": [ "**/test/**" ] + }, + "dependencies": { + "tslib": "^2.3.1" } } From 35dd479fc1c2a0ec45c8c28746aaeed807557a30 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jorge=20Israel=20Pe=C3=B1a?= Date: Tue, 19 Oct 2021 14:53:54 -0700 Subject: [PATCH 006/109] fix: convert connectionId symbol to string (#168) --- src/server.ts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/server.ts b/src/server.ts index a8ab0b83..3d59b61b 100644 --- a/src/server.ts +++ b/src/server.ts @@ -159,7 +159,7 @@ export class Server extends EventEmitter { log(connectionId: unknown, str: string): void { if (this.verbose) { - const logPrefix = connectionId ? `${connectionId} | ` : ''; + const logPrefix = connectionId ? `${String(connectionId)} | ` : ''; console.log(`ProxyServer[${this.port}]: ${logPrefix}${str}`); } } From c792254675adbff000c687a1b20b72f1a313503f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jorge=20Israel=20Pe=C3=B1a?= Date: Thu, 21 Oct 2021 14:54:05 -0700 Subject: [PATCH 007/109] feat: allow closing connections (#169) --- src/server.ts | 25 ++++++++++++++++--------- 1 file changed, 16 insertions(+), 9 deletions(-) diff --git a/src/server.ts b/src/server.ts index 3d59b61b..6affc746 100644 --- a/src/server.ts +++ b/src/server.ts @@ -564,6 +564,21 @@ export class Server extends EventEmitter { return result; } + /** + * Forcibly closes pending proxy connections. + */ + closeConnections(): void { + this.log(null, 'Closing pending sockets'); + + for (const socket of this.connections.values()) { + socket.destroy(); + } + + this.connections.clear(); + + this.log(null, `Destroyed ${this.connections.size} pending sockets`); + } + /** * Closes the proxy server. * @param closeConnections If true, pending proxy connections are forcibly closed. @@ -575,15 +590,7 @@ export class Server extends EventEmitter { } if (closeConnections) { - this.log(null, 'Closing pending sockets'); - - for (const socket of this.connections.values()) { - socket.destroy(); - } - - this.connections.clear(); - - this.log(null, `Destroyed ${this.connections.size} pending sockets`); + this.closeConnections(); } if (this.server) { From 80a851e0636fdf25dea26903b3f04e832dcf337b Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Mon, 1 Nov 2021 13:28:47 +0100 Subject: [PATCH 008/109] fix: rename .d.ts to .ts --- package.json | 2 +- src/{socket.d.ts => socket.ts} | 0 2 files changed, 1 insertion(+), 1 deletion(-) rename src/{socket.d.ts => socket.ts} (100%) diff --git a/package.json b/package.json index d5edd2ad..bc42fe56 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "2.0.0", + "version": "2.0.1", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "keywords": [ diff --git a/src/socket.d.ts b/src/socket.ts similarity index 100% rename from src/socket.d.ts rename to src/socket.ts From 2bc8018255d9d624c8d3a79f62f3e8c1c96dc52f Mon Sep 17 00:00:00 2001 From: thomas510111 Date: Thu, 30 Dec 2021 16:57:03 +0200 Subject: [PATCH 009/109] Pass proxyChainId to tunnelConnectResponded (#173) --- README.md | 2 +- src/chain.ts | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index b90dd197..c24e59c9 100644 --- a/README.md +++ b/README.md @@ -219,7 +219,7 @@ the parameter types of the event callback are described in [Node.js's documentat [1]: https://nodejs.org/api/http.html#http_event_connect ```javascript -server.on('tunnelConnectResponded', ({ response, socket, head }) => { +server.on('tunnelConnectResponded', ({ proxyChainId, response, socket, head }) => { console.log(`CONNECT response headers received: ${response.headers}`); }); ``` diff --git a/src/chain.ts b/src/chain.ts index 049a60f9..b78a6eac 100644 --- a/src/chain.ts +++ b/src/chain.ts @@ -118,6 +118,7 @@ export const chain = ( } server.emit('tunnelConnectResponded', { + proxyChainId, response, socket: targetSocket, head: clientHead, From 29281f6d9591a05fb8837b80a17bd7568fe387c8 Mon Sep 17 00:00:00 2001 From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com> Date: Tue, 15 Feb 2022 20:44:37 +0100 Subject: [PATCH 010/109] Bump @types/node from 16.11.25 to 17.0.18 (#210) Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> --- package.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package.json b/package.json index bc42fe56..4722a76a 100644 --- a/package.json +++ b/package.json @@ -47,7 +47,7 @@ "@apify/eslint-config-ts": "^0.1.4", "@apify/tsconfig": "^0.1.0", "@types/jest": "^27.0.2", - "@types/node": "^16.10.1", + "@types/node": "^17.0.18", "@typescript-eslint/eslint-plugin": "^4.31.2", "basic-auth": "^2.0.1", "basic-auth-parser": "^0.0.2", From c44e9af70b5454e3f712596e589ff5fc1a4209a2 Mon Sep 17 00:00:00 2001 From: Daniel Netzer Date: Mon, 21 Mar 2022 09:41:55 +0200 Subject: [PATCH 011/109] feat: accept custom port for proxy anonymization (#214) --- README.md | 4 +- src/anonymize_proxy.ts | 87 ++++++++++++++++++++++++++++------------- test/anonymize_proxy.js | 32 ++++++++++++++- 3 files changed, 92 insertions(+), 31 deletions(-) diff --git a/README.md b/README.md index c24e59c9..b6b50d8d 100644 --- a/README.md +++ b/README.md @@ -238,7 +238,7 @@ listenConnectAnonymizedProxy(anonymizedProxyUrl, ({ response, socket, head }) => The package also provides several utility functions. -### `anonymizeProxy(proxyUrl, callback)` +### `anonymizeProxy({ proxyUrl, port }, callback)` Parses and validates a HTTP proxy URL. If the proxy requires authentication, then the function starts an open local proxy server that forwards to the proxy. @@ -258,7 +258,7 @@ const proxyChain = require('proxy-chain'); (async() => { const oldProxyUrl = 'http://bob:password123@proxy.example.com:8000'; - const newProxyUrl = await proxyChain.anonymizeProxy(oldProxyUrl); + const newProxyUrl = await proxyChain.anonymizeProxy({ proxyUrl: oldProxyUrl }); // Prints something like "http://127.0.0.1:45678" console.log(newProxyUrl); diff --git a/src/anonymize_proxy.ts b/src/anonymize_proxy.ts index d59bef9f..81ef5b07 100644 --- a/src/anonymize_proxy.ts +++ b/src/anonymize_proxy.ts @@ -8,14 +8,40 @@ import { nodeify } from './utils/nodeify'; // Dictionary, key is value returned from anonymizeProxy(), value is Server instance. const anonymizedProxyUrlToServer: Record = {}; +export interface AnonymouseProxyOptions { + url: string; + port: number; +} + /** * Parses and validates a HTTP proxy URL. If the proxy requires authentication, then the function * starts an open local proxy server that forwards to the upstream proxy. */ -export const anonymizeProxy = (proxyUrl: string, callback?: (error: Error | null) => void): Promise => { +export const anonymizeProxy = ( + options: string | AnonymouseProxyOptions, + callback?: (error: Error | null) => void, +): Promise => { + let proxyUrl: string; + let port = 0; + + if (typeof options === 'string') { + proxyUrl = options; + } else { + proxyUrl = options.url; + port = options.port; + + if (port < 0 || port > 65535) { + throw new Error( + 'Invalid "port" option: only values equals or between 0-65535 are valid', + ); + } + } + const parsedProxyUrl = new URL(proxyUrl); if (parsedProxyUrl.protocol !== 'http:') { - throw new Error('Invalid "proxyUrl" option: only HTTP proxies are currently supported.'); + throw new Error( + 'Invalid "proxyUrl" option: only HTTP proxies are currently supported.', + ); } // If upstream proxy requires no password, return it directly @@ -26,29 +52,27 @@ export const anonymizeProxy = (proxyUrl: string, callback?: (error: Error | null let server: Server & { port: number }; const startServer = () => { - return Promise.resolve() - .then(() => { - server = new Server({ - // verbose: true, - port: 0, - prepareRequestFunction: () => { - return { - requestAuthentication: false, - upstreamProxyUrl: proxyUrl, - }; - }, - }) as Server & { port: number }; - - return server.listen(); - }); - }; + return Promise.resolve().then(() => { + server = new Server({ + // verbose: true, + port, + prepareRequestFunction: () => { + return { + requestAuthentication: false, + upstreamProxyUrl: proxyUrl, + }; + }, + }) as Server & { port: number }; - const promise = startServer() - .then(() => { - const url = `http://127.0.0.1:${server.port}`; - anonymizedProxyUrlToServer[url] = server; - return url; + return server.listen(); }); + }; + + const promise = startServer().then(() => { + const url = `http://127.0.0.1:${server.port}`; + anonymizedProxyUrlToServer[url] = server; + return url; + }); return nodeify(promise, callback); }; @@ -75,14 +99,21 @@ export const closeAnonymizedProxy = ( delete anonymizedProxyUrlToServer[anonymizedProxyUrl]; - const promise = server.close(closeConnections) - .then(() => { - return true; - }); + const promise = server.close(closeConnections).then(() => { + return true; + }); return nodeify(promise, callback); }; -type Callback = ({ response, socket, head }: { response: http.IncomingMessage; socket: net.Socket; head: Buffer; }) => void; +type Callback = ({ + response, + socket, + head, +}: { + response: http.IncomingMessage; + socket: net.Socket; + head: Buffer; +}) => void; /** * Add a callback on 'tunnelConnectResponded' Event in order to get headers from CONNECT tunnel to proxy diff --git a/test/anonymize_proxy.js b/test/anonymize_proxy.js index b8b4a06d..c9d72f43 100644 --- a/test/anonymize_proxy.js +++ b/test/anonymize_proxy.js @@ -118,12 +118,42 @@ describe('utils.anonymizeProxy', function () { assert.throws(() => { anonymizeProxy('socks://whatever.com'); }, Error); assert.throws(() => { anonymizeProxy('https://whatever.com'); }, Error); assert.throws(() => { anonymizeProxy('socks5://whatever.com'); }, Error); + assert.throws(() => { + anonymizeProxy({ proxyUrl: 'socks://whatever.com' }); + }, Error); + assert.throws(() => { + anonymizeProxy({ proxyUrl: 'https://whatever.com' }); + }, Error); + assert.throws(() => { + anonymizeProxy({ proxyUrl: 'socks5://whatever.com' }); + }, Error); + }); + + it('throws for invalid ports', () => { + assert.throws(() => { + anonymizeProxy({ proxyUrl: 'http://whatever.com', port: -16 }); + }, Error); + assert.throws(() => { + anonymizeProxy({ + proxyUrl: 'http://whatever.com', + port: 4324324324, + }); + }, Error); }); it('throws for invalid URLs', () => { assert.throws(() => { anonymizeProxy('://whatever.com'); }, Error); assert.throws(() => { anonymizeProxy('https://whatever.com'); }, Error); assert.throws(() => { anonymizeProxy('socks5://whatever.com'); }, Error); + assert.throws(() => { + anonymizeProxy({ proxyUrl: '://whatever.com' }); + }, Error); + assert.throws(() => { + anonymizeProxy({ proxyUrl: 'https://whatever.com' }); + }, Error); + assert.throws(() => { + anonymizeProxy({ proxyUrl: 'socks5://whatever.com' }); + }, Error); }); it('keeps already anonymous proxies (both with callbacks and promises)', () => { @@ -396,4 +426,4 @@ describe('utils.anonymizeProxy', function () { expect(closed).to.eql(true); }); }); -}); +}); \ No newline at end of file From 24cf4df5c869cd77b29156697a3fe68e6141c649 Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Sun, 10 Apr 2022 22:53:42 +0200 Subject: [PATCH 012/109] fix: port should be a number --- src/server.ts | 5 +++-- src/utils/normalize_url_port.ts | 22 ++++++++++++++++++++++ test/anonymize_proxy.js | 2 +- test/server.js | 4 ++-- 4 files changed, 28 insertions(+), 5 deletions(-) create mode 100644 src/utils/normalize_url_port.ts diff --git a/src/server.ts b/src/server.ts index 6affc746..e984d601 100644 --- a/src/server.ts +++ b/src/server.ts @@ -14,6 +14,7 @@ import { forward, HandlerOpts as ForwardOpts } from './forward'; import { direct } from './direct'; import { handleCustomResponse, HandlerOpts as CustomResponseOpts } from './custom_response'; import { Socket } from './socket'; +import { normalizeUrlPort } from './utils/normalize_url_port'; // TODO: // - Implement this requirement from rfc7230 @@ -53,7 +54,7 @@ export type PrepareRequestFunctionOpts = { username: string; password: string; hostname: string; - port: string; + port: number; isHttp: boolean; }; @@ -354,7 +355,7 @@ export class Server extends EventEmitter { username: '', password: '', hostname: handlerOpts.trgParsed!.hostname, - port: handlerOpts.trgParsed!.port, + port: normalizeUrlPort(handlerOpts.trgParsed!), isHttp: handlerOpts.isHttp, }; diff --git a/src/utils/normalize_url_port.ts b/src/utils/normalize_url_port.ts new file mode 100644 index 00000000..a8ed0df0 --- /dev/null +++ b/src/utils/normalize_url_port.ts @@ -0,0 +1,22 @@ +import type { URL } from 'url'; + +// https://url.spec.whatwg.org/#default-port +const mapping = { + 'ftp:': 21, + 'http:': 80, + 'https:': 443, + 'ws:': 80, + 'wss:': 443, +}; + +export const normalizeUrlPort = (url: URL): number => { + if (url.port) { + return Number(url.port); + } + + if (mapping.hasOwnProperty(url.protocol)) { + return mapping[url.protocol as keyof typeof mapping]; + } + + throw new Error(`Unexpected protocol: ${url.protocol}`); +}; diff --git a/test/anonymize_proxy.js b/test/anonymize_proxy.js index c9d72f43..288d5782 100644 --- a/test/anonymize_proxy.js +++ b/test/anonymize_proxy.js @@ -426,4 +426,4 @@ describe('utils.anonymizeProxy', function () { expect(closed).to.eql(true); }); }); -}); \ No newline at end of file +}); diff --git a/test/server.js b/test/server.js index e5811727..c937cc11 100644 --- a/test/server.js +++ b/test/server.js @@ -252,7 +252,7 @@ const createTestSuite = ({ let addToMainProxyServerConnectionIds = true; expect(request).to.be.an('object'); - expect(port).to.be.an('string'); + expect(port).to.be.an('number'); // All the fake hostnames here have a .gov TLD, because without a TLD, // the tests would fail on GitHub Actions. We assume nobody will register @@ -291,7 +291,7 @@ const createTestSuite = ({ expect(trgParsed.hostname).to.be.eql(hostname); expect(trgParsed.pathname).to.be.eql('/some/path'); expect(trgParsed.search).to.be.eql('?query=456'); - expect(port).to.be.eql('1234'); + expect(port).to.be.eql(1234); return { statusCode: 201, headers: { From a6d51fb526258c82308ac98215afd5349330f9dd Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Mon, 11 Apr 2022 01:36:52 +0200 Subject: [PATCH 013/109] fix: use symbol instead of unknown type for connection id --- src/server.ts | 4 ++-- src/socket.ts | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/src/server.ts b/src/server.ts index e984d601..caf2f1fc 100644 --- a/src/server.ts +++ b/src/server.ts @@ -49,7 +49,7 @@ type HandlerOpts = { }; export type PrepareRequestFunctionOpts = { - connectionId: unknown; + connectionId: symbol; request: http.IncomingMessage; username: string; password: string; @@ -350,7 +350,7 @@ export class Server extends EventEmitter { // Authenticate the request using a user function (if provided) if (this.prepareRequestFunction) { const funcOpts: PrepareRequestFunctionOpts = { - connectionId: (request.socket as Socket).proxyChainId, + connectionId: (request.socket as Socket).proxyChainId!, request, username: '', password: '', diff --git a/src/socket.ts b/src/socket.ts index cb0c059e..534772fa 100644 --- a/src/socket.ts +++ b/src/socket.ts @@ -1,7 +1,7 @@ import type net from 'net'; import type tls from 'tls'; -type AdditionalProps = { proxyChainId?: unknown }; +type AdditionalProps = { proxyChainId?: symbol }; export type Socket = net.Socket & AdditionalProps; export type TLSSocket = tls.TLSSocket & AdditionalProps; From 5eb4c46d3b271882e622a24850afd1be90383d09 Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Tue, 12 Apr 2022 11:31:09 +0200 Subject: [PATCH 014/109] fix: connectionId type --- src/server.ts | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/server.ts b/src/server.ts index caf2f1fc..32af70a6 100644 --- a/src/server.ts +++ b/src/server.ts @@ -89,7 +89,7 @@ export class Server extends EventEmitter { stats: { httpRequestCount: number; connectRequestCount: number; }; - connections: Map; + connections: Map; /** * Initializes a new instance of Server class. @@ -542,14 +542,14 @@ export class Server extends EventEmitter { /** * Gets array of IDs of all active connections. */ - getConnectionIds(): unknown[] { + getConnectionIds(): symbol[] { return [...this.connections.keys()]; } /** * Gets data transfer statistics of a specific proxy connection. */ - getConnectionStats(connectionId: unknown): ConnectionStats | undefined { + getConnectionStats(connectionId: symbol): ConnectionStats | undefined { const socket = this.connections.get(connectionId); if (!socket) return undefined; From 2bcae5e1de6092f71244c5ca86ee3294f905f250 Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Tue, 12 Apr 2022 14:57:27 +0200 Subject: [PATCH 015/109] feat: incremental ids (#218) * feat: incremental ids * fix --- src/server.ts | 13 ++++++------- src/socket.ts | 2 +- src/utils/count_target_bytes.ts | 2 ++ test/server.js | 2 +- 4 files changed, 10 insertions(+), 9 deletions(-) diff --git a/src/server.ts b/src/server.ts index 32af70a6..fe39138d 100644 --- a/src/server.ts +++ b/src/server.ts @@ -49,7 +49,7 @@ type HandlerOpts = { }; export type PrepareRequestFunctionOpts = { - connectionId: symbol; + connectionId: number; request: http.IncomingMessage; username: string; password: string; @@ -89,7 +89,7 @@ export class Server extends EventEmitter { stats: { httpRequestCount: number; connectRequestCount: number; }; - connections: Map; + connections: Map; /** * Initializes a new instance of Server class. @@ -181,8 +181,7 @@ export class Server extends EventEmitter { * Needed for abrupt close of the server. */ registerConnection(socket: Socket): void { - const weakId = Math.random().toString(36).slice(2); - const unique = Symbol(weakId); + const unique = this.lastHandlerId++; socket.proxyChainId = unique; this.connections.set(unique, socket); @@ -290,7 +289,7 @@ export class Server extends EventEmitter { getHandlerOpts(request: http.IncomingMessage): HandlerOpts { const handlerOpts: HandlerOpts = { server: this, - id: ++this.lastHandlerId, + id: (request.socket as Socket).proxyChainId!, srcRequest: request, srcHead: null, trgParsed: null, @@ -542,14 +541,14 @@ export class Server extends EventEmitter { /** * Gets array of IDs of all active connections. */ - getConnectionIds(): symbol[] { + getConnectionIds(): number[] { return [...this.connections.keys()]; } /** * Gets data transfer statistics of a specific proxy connection. */ - getConnectionStats(connectionId: symbol): ConnectionStats | undefined { + getConnectionStats(connectionId: number): ConnectionStats | undefined { const socket = this.connections.get(connectionId); if (!socket) return undefined; diff --git a/src/socket.ts b/src/socket.ts index 534772fa..7e4ecf51 100644 --- a/src/socket.ts +++ b/src/socket.ts @@ -1,7 +1,7 @@ import type net from 'net'; import type tls from 'tls'; -type AdditionalProps = { proxyChainId?: symbol }; +type AdditionalProps = { proxyChainId?: number }; export type Socket = net.Socket & AdditionalProps; export type TLSSocket = tls.TLSSocket & AdditionalProps; diff --git a/src/utils/count_target_bytes.ts b/src/utils/count_target_bytes.ts index 8b201e36..fc6544bb 100644 --- a/src/utils/count_target_bytes.ts +++ b/src/utils/count_target_bytes.ts @@ -25,6 +25,8 @@ export const countTargetBytes = (source: net.Socket, target: net.Socket): void = source[targetBytesRead] = source[targetBytesRead] || 0; source[targets] = source[targets] || new Set(); + source[targets].add(target); + target.once('close', () => { source[targetBytesWritten] += target.bytesWritten; source[targetBytesRead] += target.bytesRead; diff --git a/test/server.js b/test/server.js index c937cc11..933e2156 100644 --- a/test/server.js +++ b/test/server.js @@ -747,7 +747,7 @@ const createTestSuite = ({ return 0; }); const lastConnectionId = sortedIds[sortedIds.length - 1]; - const stats = mainProxyServer.getConnectionStats(lastConnectionId) + const stats = mainProxyServer.getConnectionStats(Number(lastConnectionId)) || mainProxyServerConnectionId2Stats[lastConnectionId]; // 5% range because network negotiation adds to network trafic From 6587acb806c07833e250c67d70eb5d02e789b4d7 Mon Sep 17 00:00:00 2001 From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com> Date: Mon, 25 Apr 2022 06:02:01 +0200 Subject: [PATCH 016/109] chore: Bump @apify/eslint-config-ts from 0.1.4 to 0.2.3 (#180) --- package.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package.json b/package.json index 4722a76a..7eb4bebf 100644 --- a/package.json +++ b/package.json @@ -44,7 +44,7 @@ "node": ">=14" }, "devDependencies": { - "@apify/eslint-config-ts": "^0.1.4", + "@apify/eslint-config-ts": "^0.2.3", "@apify/tsconfig": "^0.1.0", "@types/jest": "^27.0.2", "@types/node": "^17.0.18", From 6fceb6a81faa9700a5f7e9c314bf180dd5380c49 Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Mon, 25 Apr 2022 06:09:17 +0200 Subject: [PATCH 017/109] chore: fix lint --- src/chain.ts | 2 -- 1 file changed, 2 deletions(-) diff --git a/src/chain.ts b/src/chain.ts index b78a6eac..5dc993c9 100644 --- a/src/chain.ts +++ b/src/chain.ts @@ -81,7 +81,6 @@ export const chain = ( client.on('connect', (response, targetSocket, clientHead) => { countTargetBytes(sourceSocket, targetSocket); - // @ts-expect-error Missing types if (sourceSocket.readyState !== 'open') { // Sanity check, should never reach. targetSocket.destroy(); @@ -154,7 +153,6 @@ export const chain = ( server.log(proxyChainId, `Failed to connect to upstream proxy: ${error.stack}`); // The end socket may get connected after the client to proxy one gets disconnected. - // @ts-expect-error Missing types if (sourceSocket.readyState === 'open') { if (isPlain) { sourceSocket.end(); From 29b0068a02c3909c6c0727f89553d027f3b8433d Mon Sep 17 00:00:00 2001 From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com> Date: Mon, 25 Apr 2022 06:13:29 +0200 Subject: [PATCH 018/109] chore: Bump sinon from 11.1.2 to 13.0.2 (#220) Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> --- package.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package.json b/package.json index 7eb4bebf..581470ca 100644 --- a/package.json +++ b/package.json @@ -66,7 +66,7 @@ "proxy": "^1.0.2", "request": "^2.88.2", "rimraf": "^3.0.2", - "sinon": "^11.1.2", + "sinon": "^13.0.2", "sinon-stub-promise": "^4.0.0", "through": "^2.3.8", "ts-node": "^10.2.1", From ff2767d9be4a2152b93c3306838721a77a9b245e Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Mon, 25 Apr 2022 06:32:42 +0200 Subject: [PATCH 019/109] chore: upgrade eslint --- package.json | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/package.json b/package.json index 581470ca..e34cc3da 100644 --- a/package.json +++ b/package.json @@ -48,13 +48,14 @@ "@apify/tsconfig": "^0.1.0", "@types/jest": "^27.0.2", "@types/node": "^17.0.18", - "@typescript-eslint/eslint-plugin": "^4.31.2", + "@typescript-eslint/eslint-plugin": "5.14.0", + "@typescript-eslint/parser": "5.14.0", "basic-auth": "^2.0.1", "basic-auth-parser": "^0.0.2", "body-parser": "^1.19.0", "chai": "^4.3.4", "cross-env": "^7.0.3", - "eslint": "^7.32.0", + "eslint": "^8.10.0", "express": "^4.17.1", "faye-websocket": "^0.11.4", "got-scraping": "^3.2.4-beta.0", From 3106aee510c171bd0b95adb42fe6785348c25f32 Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Mon, 25 Apr 2022 07:05:56 +0200 Subject: [PATCH 020/109] fix: socket close race condition --- src/server.ts | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/server.ts b/src/server.ts index fe39138d..b5eaf075 100644 --- a/src/server.ts +++ b/src/server.ts @@ -200,6 +200,12 @@ export class Server extends EventEmitter { * Handles incoming sockets, useful for error handling */ onConnection(socket: Socket): void { + // https://github.com/nodejs/node/issues/23858 + if (!socket.remoteAddress) { + socket.destroy(); + return; + } + this.registerConnection(socket); // We need to consume socket errors, because the handlers are attached asynchronously. From b8052512da9271168d2af9d8db0155181548f70a Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Mon, 2 May 2022 10:20:48 +0200 Subject: [PATCH 021/109] fix: export CustomResponse type --- src/anonymize_proxy.ts | 4 ++-- src/custom_response.ts | 4 ++-- src/index.ts | 2 ++ 3 files changed, 6 insertions(+), 4 deletions(-) diff --git a/src/anonymize_proxy.ts b/src/anonymize_proxy.ts index 81ef5b07..e9b12d84 100644 --- a/src/anonymize_proxy.ts +++ b/src/anonymize_proxy.ts @@ -8,7 +8,7 @@ import { nodeify } from './utils/nodeify'; // Dictionary, key is value returned from anonymizeProxy(), value is Server instance. const anonymizedProxyUrlToServer: Record = {}; -export interface AnonymouseProxyOptions { +export interface AnonymizeProxyOptions { url: string; port: number; } @@ -18,7 +18,7 @@ export interface AnonymouseProxyOptions { * starts an open local proxy server that forwards to the upstream proxy. */ export const anonymizeProxy = ( - options: string | AnonymouseProxyOptions, + options: string | AnonymizeProxyOptions, callback?: (error: Error | null) => void, ): Promise => { let proxyUrl: string; diff --git a/src/custom_response.ts b/src/custom_response.ts index 3a441366..b5741399 100644 --- a/src/custom_response.ts +++ b/src/custom_response.ts @@ -1,6 +1,6 @@ import http from 'http'; -export interface Result { +export interface CustomResponse { statusCode?: number; headers?: Record; body?: string; @@ -8,7 +8,7 @@ export interface Result { } export interface HandlerOpts { - customResponseFunction: () => Result | Promise, + customResponseFunction: () => CustomResponse | Promise, } export const handleCustomResponse = async ( diff --git a/src/index.ts b/src/index.ts index 5a962037..f945ef87 100644 --- a/src/index.ts +++ b/src/index.ts @@ -3,3 +3,5 @@ export * from './server'; export * from './utils/redact_url'; export * from './anonymize_proxy'; export * from './tcp_tunnel_tools'; + +export { CustomResponse } from './custom_response'; From b5b11afd160fdf6c9209998683a068520f3ca115 Mon Sep 17 00:00:00 2001 From: thomas510111 Date: Mon, 2 May 2022 11:30:07 +0300 Subject: [PATCH 022/109] feat: `closeConnection` by id (#176) --- src/server.ts | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/src/server.ts b/src/server.ts index b5eaf075..3431d674 100644 --- a/src/server.ts +++ b/src/server.ts @@ -570,6 +570,20 @@ export class Server extends EventEmitter { return result; } + /** + * Forcibly close a specific pending proxy connection. + */ + closeConnection(connectionId: unknown): void { + this.log(null, 'Closing pending socket'); + + const socket = this.connections.get(connectionId); + if (!socket) return; + + socket.destroy(); + + this.log(null, `Destroyed pending socket`); + } + /** * Forcibly closes pending proxy connections. */ From 43696c6b9a413a6416104addd0edbed5725d49f6 Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Mon, 2 May 2022 10:32:06 +0200 Subject: [PATCH 023/109] fix: followup commit --- src/server.ts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/server.ts b/src/server.ts index 3431d674..2728e52f 100644 --- a/src/server.ts +++ b/src/server.ts @@ -573,7 +573,7 @@ export class Server extends EventEmitter { /** * Forcibly close a specific pending proxy connection. */ - closeConnection(connectionId: unknown): void { + closeConnection(connectionId: number): void { this.log(null, 'Closing pending socket'); const socket = this.connections.get(connectionId); From 4f3a0e6323873c8e6c89dce3ac5ef606bad54afa Mon Sep 17 00:00:00 2001 From: thomas510111 Date: Mon, 2 May 2022 11:54:06 +0300 Subject: [PATCH 024/109] feat: custom dns lookup (#175) --- src/chain.ts | 5 +++++ src/direct.ts | 3 +++ src/forward.ts | 4 ++++ src/server.ts | 4 ++++ 4 files changed, 16 insertions(+) diff --git a/src/chain.ts b/src/chain.ts index 5dc993c9..e94e7d28 100644 --- a/src/chain.ts +++ b/src/chain.ts @@ -1,4 +1,5 @@ import http from 'http'; +import dns from 'dns'; import { URL } from 'url'; import { EventEmitter } from 'events'; import { Buffer } from 'buffer'; @@ -22,11 +23,13 @@ interface Options { headers: string[]; path?: string; localAddress?: string; + lookup?: typeof dns['lookup']; } export interface HandlerOpts { upstreamProxyUrlParsed: URL; localAddress?: string; + dnsLookup?: typeof dns['lookup']; } interface ChainOpts { @@ -37,6 +40,7 @@ interface ChainOpts { server: EventEmitter & { log: (...args: any[]) => void; }; isPlain: boolean; localAddress?: string; + dnsLookup?: typeof dns['lookup']; } /** @@ -70,6 +74,7 @@ export const chain = ( request.url!, ], localAddress: handlerOpts.localAddress, + lookup: handlerOpts.dnsLookup, }; if (proxy.username || proxy.password) { diff --git a/src/direct.ts b/src/direct.ts index 6eac86f9..36b76bd2 100644 --- a/src/direct.ts +++ b/src/direct.ts @@ -1,4 +1,5 @@ import net from 'net'; +import dns from 'dns'; import { Buffer } from 'buffer'; import { URL } from 'url'; import { EventEmitter } from 'events'; @@ -7,6 +8,7 @@ import { Socket } from './socket'; export interface HandlerOpts { localAddress?: string; + dnsLookup?: typeof dns['lookup']; } interface DirectOpts { @@ -49,6 +51,7 @@ export const direct = ( port: Number(url.port), host: url.hostname, localAddress: handlerOpts.localAddress, + lookup: handlerOpts.dnsLookup, }; if (options.host[0] === '[') { diff --git a/src/forward.ts b/src/forward.ts index 91a68ee6..e9de53f3 100644 --- a/src/forward.ts +++ b/src/forward.ts @@ -1,3 +1,4 @@ +import dns from 'dns'; import http from 'http'; import https from 'https'; import stream from 'stream'; @@ -15,11 +16,13 @@ interface Options { insecureHTTPParser: boolean; path?: string; localAddress?: string; + lookup?: typeof dns['lookup']; } export interface HandlerOpts { upstreamProxyUrlParsed: URL; localAddress?: string; + dnsLookup?: typeof dns['lookup']; } /** @@ -53,6 +56,7 @@ export const forward = async ( headers: validHeadersOnly(request.rawHeaders), insecureHTTPParser: true, localAddress: handlerOpts.localAddress, + lookup: handlerOpts.dnsLookup, }; // In case of proxy the path needs to be an absolute URL diff --git a/src/server.ts b/src/server.ts index 2728e52f..0f2ae16a 100644 --- a/src/server.ts +++ b/src/server.ts @@ -1,4 +1,5 @@ import net from 'net'; +import dns from 'dns'; import http from 'http'; import util from 'util'; import { URL } from 'url'; @@ -46,6 +47,7 @@ type HandlerOpts = { isHttp: boolean; customResponseFunction: CustomResponseOpts['customResponseFunction'] | null; localAddress?: string; + dnsLookup?: typeof dns['lookup']; }; export type PrepareRequestFunctionOpts = { @@ -64,6 +66,7 @@ export type PrepareRequestFunctionResult = { failMsg?: string; upstreamProxyUrl?: string | null; localAddress?: string; + dnsLookup?: typeof dns['lookup']; }; type Promisable = T | Promise; @@ -397,6 +400,7 @@ export class Server extends EventEmitter { const funcResult = await this.callPrepareRequestFunction(request, handlerOpts); handlerOpts.localAddress = funcResult.localAddress; + handlerOpts.dnsLookup = funcResult.dnsLookup; // If not authenticated, request client to authenticate if (funcResult.requestAuthentication) { From 17a6ce110fbad373f3a677e97e36615d24d92ddb Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Mon, 2 May 2022 11:02:21 +0200 Subject: [PATCH 025/109] chore: update changelog --- CHANGELOG.md | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index dac4135e..35874999 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,8 +1,13 @@ -2.0.0 / 2021-10-12 +2.0.0 / 2022-05-02 ================== - Simplify code, fix tests, move to TypeScript [#162](https://github.com/apify/proxy-chain/pull/162) - Bugfix: Memory leak in createTunnel [#160](https://github.com/apify/proxy-chain/issues/160) - Bugfix: Proxy fails to handle non-standard HTTP response in HTTP forwarding mode, on certain websites [#107](https://github.com/apify/proxy-chain/issues/107) +- Pass proxyChainId to tunnelConnectResponded [#173](https://github.com/apify/proxy-chain/pull/173) +- feat: accept custom port for proxy anonymization [#214](https://github.com/apify/proxy-chain/pull/214) +- fix: socket close race condition +- feat: closeConnection by id [#176](https://github.com/apify/proxy-chain/pull/176) +- feat: custom dns lookup [#175](https://github.com/apify/proxy-chain/pull/175) 1.0.3 / 2021-08-17 ================== From ff8ea53ddd9fac6fd7c0ff72c9bd94ed48f38312 Mon Sep 17 00:00:00 2001 From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com> Date: Mon, 2 May 2022 11:08:13 +0200 Subject: [PATCH 026/109] chore: bump @typescript-eslint/eslint-plugin (#222) Signed-off-by: dependabot[bot] Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> --- package.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package.json b/package.json index e34cc3da..4a02ec78 100644 --- a/package.json +++ b/package.json @@ -48,7 +48,7 @@ "@apify/tsconfig": "^0.1.0", "@types/jest": "^27.0.2", "@types/node": "^17.0.18", - "@typescript-eslint/eslint-plugin": "5.14.0", + "@typescript-eslint/eslint-plugin": "5.21.0", "@typescript-eslint/parser": "5.14.0", "basic-auth": "^2.0.1", "basic-auth-parser": "^0.0.2", From b78ea1245c5f5989128f63de04acdd0e2e59a579 Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Mon, 2 May 2022 11:11:35 +0200 Subject: [PATCH 027/109] chore: fix changelog [skip ci] --- CHANGELOG.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 35874999..1e4e1544 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,4 +1,4 @@ -2.0.0 / 2022-05-02 +2.0.1 / 2022-05-02 ================== - Simplify code, fix tests, move to TypeScript [#162](https://github.com/apify/proxy-chain/pull/162) - Bugfix: Memory leak in createTunnel [#160](https://github.com/apify/proxy-chain/issues/160) From 6da99758c49e5c66a26527f7d6d9d50b9a801df3 Mon Sep 17 00:00:00 2001 From: thomas510111 Date: Mon, 2 May 2022 21:34:26 +0300 Subject: [PATCH 028/109] chore: remove unused properties (#225) --- src/chain.ts | 2 -- 1 file changed, 2 deletions(-) diff --git a/src/chain.ts b/src/chain.ts index e94e7d28..98ae1aa6 100644 --- a/src/chain.ts +++ b/src/chain.ts @@ -39,8 +39,6 @@ interface ChainOpts { handlerOpts: HandlerOpts; server: EventEmitter & { log: (...args: any[]) => void; }; isPlain: boolean; - localAddress?: string; - dnsLookup?: typeof dns['lookup']; } /** From fb1d9010308ada40aeee87c1eb86289708ca2eec Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Mon, 2 May 2022 20:47:31 +0200 Subject: [PATCH 029/109] chore: bump version [skip ci] --- package.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package.json b/package.json index 4a02ec78..615df255 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "2.0.1", + "version": "2.0.2", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "keywords": [ From 26bc3e6db2914ee8212a60e76225dc942567f32f Mon Sep 17 00:00:00 2001 From: thomas510111 Date: Mon, 2 May 2022 21:47:53 +0300 Subject: [PATCH 030/109] feat: family option (#224) --- src/chain.ts | 3 +++ src/direct.ts | 2 ++ src/forward.ts | 3 +++ src/server.ts | 3 +++ 4 files changed, 11 insertions(+) diff --git a/src/chain.ts b/src/chain.ts index 98ae1aa6..bd587203 100644 --- a/src/chain.ts +++ b/src/chain.ts @@ -23,12 +23,14 @@ interface Options { headers: string[]; path?: string; localAddress?: string; + family?: number; lookup?: typeof dns['lookup']; } export interface HandlerOpts { upstreamProxyUrlParsed: URL; localAddress?: string; + ipFamily?: number; dnsLookup?: typeof dns['lookup']; } @@ -72,6 +74,7 @@ export const chain = ( request.url!, ], localAddress: handlerOpts.localAddress, + family: handlerOpts.ipFamily, lookup: handlerOpts.dnsLookup, }; diff --git a/src/direct.ts b/src/direct.ts index 36b76bd2..c67f4151 100644 --- a/src/direct.ts +++ b/src/direct.ts @@ -8,6 +8,7 @@ import { Socket } from './socket'; export interface HandlerOpts { localAddress?: string; + ipFamily?: number; dnsLookup?: typeof dns['lookup']; } @@ -51,6 +52,7 @@ export const direct = ( port: Number(url.port), host: url.hostname, localAddress: handlerOpts.localAddress, + family: handlerOpts.ipFamily, lookup: handlerOpts.dnsLookup, }; diff --git a/src/forward.ts b/src/forward.ts index e9de53f3..c8155a67 100644 --- a/src/forward.ts +++ b/src/forward.ts @@ -16,12 +16,14 @@ interface Options { insecureHTTPParser: boolean; path?: string; localAddress?: string; + family?: number; lookup?: typeof dns['lookup']; } export interface HandlerOpts { upstreamProxyUrlParsed: URL; localAddress?: string; + ipFamily?: number; dnsLookup?: typeof dns['lookup']; } @@ -56,6 +58,7 @@ export const forward = async ( headers: validHeadersOnly(request.rawHeaders), insecureHTTPParser: true, localAddress: handlerOpts.localAddress, + family: handlerOpts.ipFamily, lookup: handlerOpts.dnsLookup, }; diff --git a/src/server.ts b/src/server.ts index 0f2ae16a..1098d34c 100644 --- a/src/server.ts +++ b/src/server.ts @@ -47,6 +47,7 @@ type HandlerOpts = { isHttp: boolean; customResponseFunction: CustomResponseOpts['customResponseFunction'] | null; localAddress?: string; + ipFamily?: number; dnsLookup?: typeof dns['lookup']; }; @@ -66,6 +67,7 @@ export type PrepareRequestFunctionResult = { failMsg?: string; upstreamProxyUrl?: string | null; localAddress?: string; + ipFamily?: number; dnsLookup?: typeof dns['lookup']; }; @@ -400,6 +402,7 @@ export class Server extends EventEmitter { const funcResult = await this.callPrepareRequestFunction(request, handlerOpts); handlerOpts.localAddress = funcResult.localAddress; + handlerOpts.ipFamily = funcResult.ipFamily; handlerOpts.dnsLookup = funcResult.dnsLookup; // If not authenticated, request client to authenticate From 7b963b6307adb1cf35602ec5fc230477ba6324e1 Mon Sep 17 00:00:00 2001 From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com> Date: Mon, 2 May 2022 21:01:45 +0200 Subject: [PATCH 031/109] chore: bump @typescript-eslint/parser (#223) Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> --- package.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package.json b/package.json index 615df255..7a86c6d2 100644 --- a/package.json +++ b/package.json @@ -49,7 +49,7 @@ "@types/jest": "^27.0.2", "@types/node": "^17.0.18", "@typescript-eslint/eslint-plugin": "5.21.0", - "@typescript-eslint/parser": "5.14.0", + "@typescript-eslint/parser": "5.21.0", "basic-auth": "^2.0.1", "basic-auth-parser": "^0.0.2", "body-parser": "^1.19.0", From ded5bfe39e889d07b686389f3bf4bc535abea3e1 Mon Sep 17 00:00:00 2001 From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com> Date: Mon, 2 May 2022 22:59:48 +0200 Subject: [PATCH 032/109] chore: bump mocha from 9.2.2 to 10.0.0 (#226) Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> --- package.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package.json b/package.json index 7a86c6d2..1878a6f1 100644 --- a/package.json +++ b/package.json @@ -60,7 +60,7 @@ "faye-websocket": "^0.11.4", "got-scraping": "^3.2.4-beta.0", "isparta": "^4.1.1", - "mocha": "^9.1.2", + "mocha": "^10.0.0", "nyc": "^15.1.0", "phantomjs-prebuilt": "^2.1.16", "portastic": "^1.0.1", From 0b5e067c291c938e402aa7ecd0b2371ffabe6c64 Mon Sep 17 00:00:00 2001 From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com> Date: Mon, 2 May 2022 23:00:04 +0200 Subject: [PATCH 033/109] chore: bump @typescript-eslint/eslint-plugin (#227) Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> --- package.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package.json b/package.json index 1878a6f1..512b94a6 100644 --- a/package.json +++ b/package.json @@ -48,7 +48,7 @@ "@apify/tsconfig": "^0.1.0", "@types/jest": "^27.0.2", "@types/node": "^17.0.18", - "@typescript-eslint/eslint-plugin": "5.21.0", + "@typescript-eslint/eslint-plugin": "5.22.0", "@typescript-eslint/parser": "5.21.0", "basic-auth": "^2.0.1", "basic-auth-parser": "^0.0.2", From 2ece5c1768959e5f612ee447d7b51cda9109381f Mon Sep 17 00:00:00 2001 From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com> Date: Mon, 2 May 2022 23:01:48 +0200 Subject: [PATCH 034/109] chore: bump @typescript-eslint/parser from 5.21.0 to 5.22.0 (#228) Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> --- package.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package.json b/package.json index 512b94a6..5370ae39 100644 --- a/package.json +++ b/package.json @@ -49,7 +49,7 @@ "@types/jest": "^27.0.2", "@types/node": "^17.0.18", "@typescript-eslint/eslint-plugin": "5.22.0", - "@typescript-eslint/parser": "5.21.0", + "@typescript-eslint/parser": "5.22.0", "basic-auth": "^2.0.1", "basic-auth-parser": "^0.0.2", "body-parser": "^1.19.0", From 25c12fec1e80383e249aef7e6c3718646f913ecb Mon Sep 17 00:00:00 2001 From: Daniel Netzer Date: Mon, 9 May 2022 21:45:24 +0300 Subject: [PATCH 035/109] docs: readme and tests now reflect the anonymizeProxy interface (#230) Closes #229 --- README.md | 4 ++-- test/anonymize_proxy.js | 16 ++++++++-------- 2 files changed, 10 insertions(+), 10 deletions(-) diff --git a/README.md b/README.md index b6b50d8d..f1762903 100644 --- a/README.md +++ b/README.md @@ -238,7 +238,7 @@ listenConnectAnonymizedProxy(anonymizedProxyUrl, ({ response, socket, head }) => The package also provides several utility functions. -### `anonymizeProxy({ proxyUrl, port }, callback)` +### `anonymizeProxy({ url, port }, callback)` Parses and validates a HTTP proxy URL. If the proxy requires authentication, then the function starts an open local proxy server that forwards to the proxy. @@ -258,7 +258,7 @@ const proxyChain = require('proxy-chain'); (async() => { const oldProxyUrl = 'http://bob:password123@proxy.example.com:8000'; - const newProxyUrl = await proxyChain.anonymizeProxy({ proxyUrl: oldProxyUrl }); + const newProxyUrl = await proxyChain.anonymizeProxy({ url: oldProxyUrl }); // Prints something like "http://127.0.0.1:45678" console.log(newProxyUrl); diff --git a/test/anonymize_proxy.js b/test/anonymize_proxy.js index 288d5782..79bfb575 100644 --- a/test/anonymize_proxy.js +++ b/test/anonymize_proxy.js @@ -119,23 +119,23 @@ describe('utils.anonymizeProxy', function () { assert.throws(() => { anonymizeProxy('https://whatever.com'); }, Error); assert.throws(() => { anonymizeProxy('socks5://whatever.com'); }, Error); assert.throws(() => { - anonymizeProxy({ proxyUrl: 'socks://whatever.com' }); + anonymizeProxy({ url: 'socks://whatever.com' }); }, Error); assert.throws(() => { - anonymizeProxy({ proxyUrl: 'https://whatever.com' }); + anonymizeProxy({ url: 'https://whatever.com' }); }, Error); assert.throws(() => { - anonymizeProxy({ proxyUrl: 'socks5://whatever.com' }); + anonymizeProxy({ url: 'socks5://whatever.com' }); }, Error); }); it('throws for invalid ports', () => { assert.throws(() => { - anonymizeProxy({ proxyUrl: 'http://whatever.com', port: -16 }); + anonymizeProxy({ url: 'http://whatever.com', port: -16 }); }, Error); assert.throws(() => { anonymizeProxy({ - proxyUrl: 'http://whatever.com', + url: 'http://whatever.com', port: 4324324324, }); }, Error); @@ -146,13 +146,13 @@ describe('utils.anonymizeProxy', function () { assert.throws(() => { anonymizeProxy('https://whatever.com'); }, Error); assert.throws(() => { anonymizeProxy('socks5://whatever.com'); }, Error); assert.throws(() => { - anonymizeProxy({ proxyUrl: '://whatever.com' }); + anonymizeProxy({ url: '://whatever.com' }); }, Error); assert.throws(() => { - anonymizeProxy({ proxyUrl: 'https://whatever.com' }); + anonymizeProxy({ url: 'https://whatever.com' }); }, Error); assert.throws(() => { - anonymizeProxy({ proxyUrl: 'socks5://whatever.com' }); + anonymizeProxy({ url: 'socks5://whatever.com' }); }, Error); }); From aecb0a6a2dc04a0148c505fa6c3c35a0829e801b Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Thu, 16 Jun 2022 15:06:51 +0200 Subject: [PATCH 036/109] fix: seperately handle forward errors (#252) --- src/forward.ts | 36 ++++++++++++++++++++++++------------ src/server.ts | 8 -------- 2 files changed, 24 insertions(+), 20 deletions(-) diff --git a/src/forward.ts b/src/forward.ts index c8155a67..32f75dae 100644 --- a/src/forward.ts +++ b/src/forward.ts @@ -106,8 +106,9 @@ export const forward = async ( ); resolve(); - } catch (error) { - reject(error); + } catch { + // Client error, pipeline already destroys the streams, ignore. + resolve(); } }); @@ -115,15 +116,26 @@ export const forward = async ( countTargetBytes(request.socket, socket); }); - try { - // `pipeline` automatically handles all the events and data - await pipeline( - request, - client, - ); - } catch (error: any) { - error.proxy = proxy; + // Can't use pipeline here as it automatically destroys the streams + request.pipe(client); + client.on('error', (error: NodeJS.ErrnoException) => { + if (response.headersSent) { + return; + } - reject(error); - } + const statuses: {[code: string]: number} = { + ENOTFOUND: proxy ? 502 : 404, + ECONNREFUSED: 502, + ECONNRESET: 502, + EPIPE: 502, + ETIMEDOUT: 504, + '': 500, + }; + + response.statusCode = statuses[error.code ?? '']; + response.setHeader('content-type', 'text/plain; charset=utf-8'); + response.end(http.STATUS_CODES[response.statusCode]); + + resolve(); + }); }); diff --git a/src/server.ts b/src/server.ts index 1098d34c..86d47caa 100644 --- a/src/server.ts +++ b/src/server.ts @@ -235,14 +235,6 @@ export class Server extends EventEmitter { return new RequestError('Invalid upstream proxy credentials', 502); } - if (error.code === 'ENOTFOUND') { - if ((error as any).proxy) { - return new RequestError('Failed to connect to upstream proxy', 502); - } - - return new RequestError('Target website does not exist', 404); - } - return error; } From dfd57a7b52058560a1b4849a9cf256d095b0223f Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Thu, 16 Jun 2022 15:26:14 +0200 Subject: [PATCH 037/109] chore: fix comments --- src/server.ts | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/src/server.ts b/src/server.ts index 86d47caa..a1384de7 100644 --- a/src/server.ts +++ b/src/server.ts @@ -349,7 +349,6 @@ export class Server extends EventEmitter { * @param handlerOpts */ async callPrepareRequestFunction(request: http.IncomingMessage, handlerOpts: HandlerOpts): Promise { - // Authenticate the request using a user function (if provided) if (this.prepareRequestFunction) { const funcOpts: PrepareRequestFunctionOpts = { connectionId: (request.socket as Socket).proxyChainId!, @@ -361,6 +360,7 @@ export class Server extends EventEmitter { isHttp: handlerOpts.isHttp, }; + // Authenticate the request using a user function (if provided) const proxyAuth = request.headers['proxy-authorization']; if (proxyAuth) { const auth = parseAuthorizationHeader(proxyAuth); @@ -457,8 +457,7 @@ export class Server extends EventEmitter { this.emit('requestFailed', { error, request }); } - // Emit 'connectionClosed' event if request failed and connection was already reported - this.log(proxyChainId, 'Closed because request failed with error'); + this.log(proxyChainId, 'Closing because request failed with error'); } /** From c317f462cef8c769eb25e2ffb5f9b03e85bed788 Mon Sep 17 00:00:00 2001 From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com> Date: Mon, 20 Jun 2022 21:38:55 +0200 Subject: [PATCH 038/109] chore: bump @types/node from 17.0.45 to 18.0.0 (#253) Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 17.0.45 to 18.0.0. - [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases) - [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node) --- updated-dependencies: - dependency-name: "@types/node" dependency-type: direct:development update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> --- package.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package.json b/package.json index 5370ae39..7a80cf93 100644 --- a/package.json +++ b/package.json @@ -47,7 +47,7 @@ "@apify/eslint-config-ts": "^0.2.3", "@apify/tsconfig": "^0.1.0", "@types/jest": "^27.0.2", - "@types/node": "^17.0.18", + "@types/node": "^18.0.0", "@typescript-eslint/eslint-plugin": "5.22.0", "@typescript-eslint/parser": "5.22.0", "basic-auth": "^2.0.1", From 207abafe7e6605800c4cb1a59d73d7329171c199 Mon Sep 17 00:00:00 2001 From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com> Date: Mon, 20 Jun 2022 21:50:20 +0200 Subject: [PATCH 039/109] chore: bump @types/jest from 27.5.2 to 28.1.2 (#254) Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> --- package.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package.json b/package.json index 7a80cf93..f07104dd 100644 --- a/package.json +++ b/package.json @@ -46,7 +46,7 @@ "devDependencies": { "@apify/eslint-config-ts": "^0.2.3", "@apify/tsconfig": "^0.1.0", - "@types/jest": "^27.0.2", + "@types/jest": "^28.1.2", "@types/node": "^18.0.0", "@typescript-eslint/eslint-plugin": "5.22.0", "@typescript-eslint/parser": "5.22.0", From 2a799ed908f7e56d433835d48c34617ea865d52d Mon Sep 17 00:00:00 2001 From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com> Date: Mon, 20 Jun 2022 21:50:28 +0200 Subject: [PATCH 040/109] chore: bump @typescript-eslint/eslint-plugin from 5.22.0 to 5.29.0 (#256) Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> --- package.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package.json b/package.json index f07104dd..0a23c0eb 100644 --- a/package.json +++ b/package.json @@ -48,7 +48,7 @@ "@apify/tsconfig": "^0.1.0", "@types/jest": "^28.1.2", "@types/node": "^18.0.0", - "@typescript-eslint/eslint-plugin": "5.22.0", + "@typescript-eslint/eslint-plugin": "5.29.0", "@typescript-eslint/parser": "5.22.0", "basic-auth": "^2.0.1", "basic-auth-parser": "^0.0.2", From d8105e03297cf61ef39ecfa54bb52a4444b73178 Mon Sep 17 00:00:00 2001 From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com> Date: Mon, 20 Jun 2022 21:59:00 +0200 Subject: [PATCH 041/109] chore: bump @typescript-eslint/parser from 5.22.0 to 5.29.0 (#255) Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> --- package.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package.json b/package.json index 0a23c0eb..33a9ddb4 100644 --- a/package.json +++ b/package.json @@ -49,7 +49,7 @@ "@types/jest": "^28.1.2", "@types/node": "^18.0.0", "@typescript-eslint/eslint-plugin": "5.29.0", - "@typescript-eslint/parser": "5.22.0", + "@typescript-eslint/parser": "5.29.0", "basic-auth": "^2.0.1", "basic-auth-parser": "^0.0.2", "body-parser": "^1.19.0", From 54ac091f5e515995421bc2922c43ccb7765a0740 Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Tue, 12 Jul 2022 16:12:49 +0200 Subject: [PATCH 042/109] fix: accept Buffer as custom response body --- package.json | 2 +- src/custom_response.ts | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/package.json b/package.json index 33a9ddb4..2c1c5617 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "2.0.2", + "version": "2.0.3", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "keywords": [ diff --git a/src/custom_response.ts b/src/custom_response.ts index b5741399..3031d5a8 100644 --- a/src/custom_response.ts +++ b/src/custom_response.ts @@ -3,7 +3,7 @@ import http from 'http'; export interface CustomResponse { statusCode?: number; headers?: Record; - body?: string; + body?: string | Buffer; encoding?: BufferEncoding; } From c006a773e39ef7d7e0bad2d7911c323a5faf75a2 Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Tue, 12 Jul 2022 16:15:35 +0200 Subject: [PATCH 043/109] chore: import buffer in custom_response --- src/custom_response.ts | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/custom_response.ts b/src/custom_response.ts index 3031d5a8..149579f1 100644 --- a/src/custom_response.ts +++ b/src/custom_response.ts @@ -1,4 +1,5 @@ -import http from 'http'; +import type http from 'http'; +import type { Buffer } from 'buffer'; export interface CustomResponse { statusCode?: number; From de104cdb25cc0f116a449383e02fbaf0c1e1dd01 Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Wed, 13 Jul 2022 15:31:31 +0200 Subject: [PATCH 044/109] test: buffer as custom response body Fixes #266 --- test/server.js | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/test/server.js b/test/server.js index 933e2156..c3e2e401 100644 --- a/test/server.js +++ b/test/server.js @@ -1,4 +1,5 @@ const fs = require('fs'); +const zlib = require('zlib'); const path = require('path'); const stream = require('stream'); const childProcess = require('child_process'); @@ -271,6 +272,18 @@ const createTestSuite = ({ throw new RequestError('Known error 2', 501); } + if (hostname === 'test-custom-response-buffer.gov') { + result.customResponseFunction = () => { + return { + statusCode: 200, + headers: { + 'content-encoding': 'gzip', + }, + body: zlib.gzipSync('Hello, world!'), + }; + }; + } + if (hostname === 'test-custom-response-simple.gov') { result.customResponseFunction = () => { const trgParsed = new URL(request.url); @@ -1008,6 +1021,16 @@ const createTestSuite = ({ if (testCustomResponse) { if (!useSsl) { + it('supports custom response - buffer', () => { + const opts = getRequestOpts('http://test-custom-response-buffer.gov'); + opts.gzip = true; + return requestPromised(opts) + .then((response) => { + expect(response.statusCode).to.eql(200); + expect(response.body).to.eql('Hello, world!'); + }); + }); + it('supports custom response - simple', () => { const opts = getRequestOpts('http://test-custom-response-simple.gov/some/path'); return requestPromised(opts) From 21f885919bacd5091beab855e49e445a3e3d5256 Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Mon, 25 Jul 2022 13:43:07 +0200 Subject: [PATCH 045/109] fix: undefined status code --- package.json | 2 +- src/forward.ts | 5 ++--- test/server.js | 24 ++++++++++++++++++++++++ 3 files changed, 27 insertions(+), 4 deletions(-) diff --git a/package.json b/package.json index 2c1c5617..26369a76 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "2.0.3", + "version": "2.0.4", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "keywords": [ diff --git a/src/forward.ts b/src/forward.ts index 32f75dae..d4d532b6 100644 --- a/src/forward.ts +++ b/src/forward.ts @@ -123,16 +123,15 @@ export const forward = async ( return; } - const statuses: {[code: string]: number} = { + const statuses: {[code: string]: number | undefined} = { ENOTFOUND: proxy ? 502 : 404, ECONNREFUSED: 502, ECONNRESET: 502, EPIPE: 502, ETIMEDOUT: 504, - '': 500, }; - response.statusCode = statuses[error.code ?? '']; + response.statusCode = statuses[error.code!] ?? 502; response.setHeader('content-type', 'text/plain; charset=utf-8'); response.end(http.STATUS_CODES[response.statusCode]); diff --git a/test/server.js b/test/server.js index c3e2e401..e04d2161 100644 --- a/test/server.js +++ b/test/server.js @@ -891,6 +891,30 @@ const createTestSuite = ({ }); if (useMainProxy) { + if (!useUpstreamProxy) { + _it(`handles malformed response`, async () => { + const server = net.createServer((socket) => { + socket.end(`HTTP/1.1 x \r\n\r\n`); + }); + + await new Promise((resolve, reject) => { + server.once('error', reject); + + server.listen(0, () => { + server.off('error', reject); + resolve(); + }); + }); + + const opts = getRequestOpts(`http://127.0.0.1:${server.address().port}`); + return requestPromised(opts) + .then((response) => { + expect(response.statusCode).to.eql(502); + server.close(); + }); + }); + } + _it('returns 404 for non-existent hostname', () => { const opts = getRequestOpts(`http://${NON_EXISTENT_HOSTNAME}`); return requestPromised(opts) From 63523c28870a5fd0db1fb7b986d77de42339bbb8 Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Wed, 27 Jul 2022 22:16:12 +0200 Subject: [PATCH 046/109] fix: handle invalid CONNECT path --- package.json | 2 +- src/server.ts | 6 +++++- test/server.js | 18 ++++++++++++++++++ 3 files changed, 24 insertions(+), 2 deletions(-) diff --git a/package.json b/package.json index 26369a76..d7e3c8de 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "2.0.4", + "version": "2.0.5", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "keywords": [ diff --git a/src/server.ts b/src/server.ts index a1384de7..f277c84a 100644 --- a/src/server.ts +++ b/src/server.ts @@ -306,7 +306,11 @@ export class Server extends EventEmitter { if (request.method === 'CONNECT') { // CONNECT server.example.com:80 HTTP/1.1 - handlerOpts.trgParsed = new URL(`connect://${request.url}`); + try { + handlerOpts.trgParsed = new URL(`connect://${request.url}`); + } catch { + throw new RequestError(`Target "${request.url}" could not be parsed`, 400); + } if (!handlerOpts.trgParsed.hostname || !handlerOpts.trgParsed.port) { throw new RequestError(`Target "${request.url}" could not be parsed`, 400); diff --git a/test/server.js b/test/server.js index e04d2161..6e3199f7 100644 --- a/test/server.js +++ b/test/server.js @@ -915,6 +915,24 @@ const createTestSuite = ({ }); } + it('handles invalid CONNECT path', (done) => { + const req = http.request(mainProxyUrl, { + method: 'CONNECT', + path: ':443', + headers: { + host: ':443', + }, + }); + req.once('connect', (response, socket, head) => { + expect(response.statusCode).to.equal(400); + + socket.destroy(); + done(); + }); + + req.end(); + }); + _it('returns 404 for non-existent hostname', () => { const opts = getRequestOpts(`http://${NON_EXISTENT_HOSTNAME}`); return requestPromised(opts) From 0a24d1e9f7bc3086e161db01d1257e6b3d30b1d5 Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Wed, 3 Aug 2022 12:29:49 +0200 Subject: [PATCH 047/109] chore: replace phantomjs with puppeteer (#276) --- package.json | 2 +- test/server.js | 69 +++++++++++++++++++++++++------------------------- 2 files changed, 36 insertions(+), 35 deletions(-) diff --git a/package.json b/package.json index d7e3c8de..7f69d7ff 100644 --- a/package.json +++ b/package.json @@ -62,7 +62,7 @@ "isparta": "^4.1.1", "mocha": "^10.0.0", "nyc": "^15.1.0", - "phantomjs-prebuilt": "^2.1.16", + "puppeteer": "^16.0.0", "portastic": "^1.0.1", "proxy": "^1.0.2", "request": "^2.88.2", diff --git a/test/server.js b/test/server.js index 6e3199f7..5de86a91 100644 --- a/test/server.js +++ b/test/server.js @@ -66,35 +66,39 @@ const requestPromised = (opts) => { const wait = (timeout) => new Promise((resolve) => setTimeout(resolve, timeout)); -// Opens web page in phantomjs and returns the HTML content -const phantomGet = (url, proxyUrl) => { - const phantomPath = path.join(__dirname, '../node_modules/.bin/phantomjs'); - const scriptPath = path.join(__dirname, './phantom_get.js'); - - let proxyParams = ''; - if (proxyUrl) { - const parsed = new URL(proxyUrl); - const username = decodeURIComponent(parsed.username); - const password = decodeURIComponent(parsed.password); - - proxyParams += `--proxy-type=http --proxy=${parsed.hostname}:${parsed.port} `; - if (username || password) { - if ((username && !password) || (!username && password)) { - throw new Error('PhantomJS cannot handle proxy only username or password!'); - } - proxyParams += `--proxy-auth=${username}:${password} `; - } - } +// Opens web page in puppeteer and returns the HTML content +const puppeteerGet = (url, proxyUrl) => { + // eslint-disable-next-line global-require + const puppeteer = require('puppeteer'); + + return (async () => { + const parsed = proxyUrl ? new URL(proxyUrl) : undefined; + + const browser = await puppeteer.launch({ + env: parsed ? { + HTTP_PROXY: parsed.origin, + } : {}, + ignoreHTTPSErrors: true, + }); - return new Promise((resolve, reject) => { - const cmd = `${phantomPath} --ignore-ssl-errors=true ${proxyParams} ${scriptPath} ${url}`; - childProcess.exec(cmd, (error, stdout, stderr) => { - if (error) { - return reject(new Error(`Cannot open page in PhantomJS: ${error}: ${stderr || stdout}`)); + try { + const page = await browser.newPage(); + + if (parsed) { + await page.authenticate({ + username: decodeURIComponent(parsed.username), + password: decodeURIComponent(parsed.password), + }); } - resolve(stdout); - }); - }); + + const response = await page.goto(url); + const text = await response.text(); + + return text; + } finally { + await browser.close(); + } + })(); }; // Opens web page in curl and returns the HTML content. @@ -817,21 +821,18 @@ const createTestSuite = ({ }); }); - // NOTE: PhantomJS cannot handle proxy auth with empty user or password, both need to be present! if (!mainProxyAuth || (mainProxyAuth.username && mainProxyAuth.password)) { - _it('handles GET request from PhantomJS', async () => { - // NOTE: use other hostname than 'localhost' or '127.0.0.1' otherwise PhantomJS would skip the proxy! + it('handles GET request using puppeteer', async () => { const phantomUrl = `${useSsl ? 'https' : 'http'}://${LOCALHOST_TEST}:${targetServerPort}/hello-world`; - const response = await phantomGet(phantomUrl, mainProxyUrl); + const response = await puppeteerGet(phantomUrl, mainProxyUrl); expect(response).to.contain('Hello world!'); }); } if (!useSsl && mainProxyAuth && mainProxyAuth.username && mainProxyAuth.password) { - it('handles GET request from PhantomJS with invalid credentials', async () => { - // NOTE: use other hostname than 'localhost' or '127.0.0.1' otherwise PhantomJS would skip the proxy! + it('handles GET request using puppeteer with invalid credentials', async () => { const phantomUrl = `${useSsl ? 'https' : 'http'}://${LOCALHOST_TEST}:${targetServerPort}/hello-world`; - const response = await phantomGet(phantomUrl, `http://bad:password@127.0.0.1:${mainProxyServerPort}`); + const response = await puppeteerGet(phantomUrl, `http://bad:password@127.0.0.1:${mainProxyServerPort}`); expect(response).to.contain('Proxy credentials required'); }); } From b3ccf3df2e2bf9b8e43d53fd5877d4fc8d6dbd3f Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Wed, 3 Aug 2022 13:50:36 +0200 Subject: [PATCH 048/109] fix: add non-spec username parsing back (#277) --- src/server.ts | 5 +++- src/utils/parse_authorization_header.ts | 27 ++++++++++++++++++- test/server.js | 36 ++++++++++++++++++++++++- test/tools.js | 3 ++- 4 files changed, 67 insertions(+), 4 deletions(-) diff --git a/src/server.ts b/src/server.ts index f277c84a..11e7b439 100644 --- a/src/server.ts +++ b/src/server.ts @@ -373,7 +373,10 @@ export class Server extends EventEmitter { throw new RequestError('Invalid "Proxy-Authorization" header', 400); } - if (auth.type !== 'Basic') { + // https://datatracker.ietf.org/doc/html/rfc7617#page-3 + // Note that both scheme and parameter names are matched case- + // insensitively. + if (auth.type.toLowerCase() !== 'basic') { throw new RequestError('The "Proxy-Authorization" header must have the "Basic" type.', 400); } diff --git a/src/utils/parse_authorization_header.ts b/src/utils/parse_authorization_header.ts index 7aeeb02a..ab9c52bc 100644 --- a/src/utils/parse_authorization_header.ts +++ b/src/utils/parse_authorization_header.ts @@ -1,3 +1,5 @@ +import { Buffer } from 'node:buffer'; + const splitAt = (string: string, index: number) => { return [ index === -1 ? '' : string.substring(0, index), @@ -23,12 +25,35 @@ export const parseAuthorizationHeader = (header: string): Authorization | null = const [type, data] = splitAt(header, header.indexOf(' ')); + // https://datatracker.ietf.org/doc/html/rfc7617#page-3 + // Note that both scheme and parameter names are matched case- + // insensitively. if (type.toLowerCase() !== 'basic') { return { type, data }; } const auth = Buffer.from(data, 'base64').toString(); - const [username, password] = splitAt(auth, auth.indexOf(':')); + + // https://datatracker.ietf.org/doc/html/rfc7617#page-5 + // To receive authorization, the client + // + // 1. obtains the user-id and password from the user, + // + // 2. constructs the user-pass by concatenating the user-id, a single + // colon (":") character, and the password, + // + // 3. encodes the user-pass into an octet sequence (see below for a + // discussion of character encoding schemes), + // + // 4. and obtains the basic-credentials by encoding this octet sequence + // using Base64 ([RFC4648], Section 4) into a sequence of US-ASCII + // characters ([RFC0020]). + + // Note: + // If there's a colon : missing, we imply that the user-pass string is just a username. + // This is a non-spec behavior. At Apify there are clients that rely on this. + // If you want this behavior changed, please open an issue. + const [username, password] = auth.includes(':') ? splitAt(auth, auth.indexOf(':')) : [auth, '']; return { type, diff --git a/test/server.js b/test/server.js index 5de86a91..6c630e40 100644 --- a/test/server.js +++ b/test/server.js @@ -350,7 +350,9 @@ const createTestSuite = ({ } if (mainProxyAuth) { - if (mainProxyAuth.username !== username || mainProxyAuth.password !== password) { + const authDoesNotMatch = mainProxyAuth.username !== username || mainProxyAuth.password !== password; + const nopassword = username === 'nopassword' && password === ''; + if (authDoesNotMatch && !nopassword) { result.requestAuthentication = true; addToMainProxyServerConnectionIds = false; // Now that authentication is requested, upstream proxy should not get used, @@ -965,6 +967,38 @@ const createTestSuite = ({ }); if (mainProxyAuth) { + it('implies username if colon missing', (done) => { + const server = net.createServer((socket) => { + socket.end(); + }); + + server.once('error', (error) => { + done(error); + }); + + server.listen(0, () => { + const req = http.request(mainProxyUrl, { + method: 'CONNECT', + path: `127.0.0.1:${server.address().port}`, + headers: { + host: `127.0.0.1:${server.address().port}`, + 'proxy-authorization': `Basic ${Buffer.from('nopassword').toString('base64')}`, + }, + }); + req.once('connect', (response, socket, head) => { + expect(response.statusCode).to.equal(200); + expect(head.length).to.equal(0); + + socket.destroy(); + server.close(() => { + done(); + }); + }); + + req.end(); + }); + }); + it('returns 407 for invalid credentials', () => { return Promise.resolve() .then(() => { diff --git a/test/tools.js b/test/tools.js index 10bdf242..8319453c 100644 --- a/test/tools.js +++ b/test/tools.js @@ -79,9 +79,10 @@ describe('tools.parseAuthorizationHeader()', () => { data: 'dXNlcm5hbWU6', }); + // Do not alter this test, see comment in src/utils/parse_authorization_header.ts expect(parse(authStr('Basic', 'username'))).to.eql({ type: 'Basic', - username: '', + username: 'username', password: '', data: 'dXNlcm5hbWU=', }); From 4fe3e2b3bfdbc55ae5d1419e62ce5dbc68313b7a Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Wed, 3 Aug 2022 14:00:50 +0200 Subject: [PATCH 049/109] chore: release 2.0.6 (#278) --- package.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package.json b/package.json index 7f69d7ff..26d00d47 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "2.0.5", + "version": "2.0.6", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "keywords": [ From e4367ce73f16fd0d76cf617e80dd7bf541305fe5 Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Wed, 17 Aug 2022 15:08:30 +0200 Subject: [PATCH 050/109] fix: accept pre-response data on CONNECT (#284) --- package.json | 2 +- src/chain.ts | 13 +++++++++--- src/direct.ts | 3 ++- test/server.js | 57 ++++++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 70 insertions(+), 5 deletions(-) diff --git a/package.json b/package.json index 26d00d47..36794044 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "2.0.6", + "version": "2.0.7", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "keywords": [ diff --git a/src/chain.ts b/src/chain.ts index bd587203..5f47ada0 100644 --- a/src/chain.ts +++ b/src/chain.ts @@ -59,7 +59,14 @@ export const chain = ( }: ChainOpts, ): void => { if (head && head.length > 0) { - throw new Error(`Unexpected data on CONNECT: ${head.length} bytes`); + // HTTP/1.1 has no defined semantics when sending payload along with CONNECT and servers can reject the request. + // HTTP/2 only says that subsequent DATA frames must be transferred after HEADERS has been sent. + // HTTP/3 says that all DATA frames should be transferred (implies pre-HEADERS data). + // + // Let's go with the HTTP/3 behavior. + // There are also clients that send payload along with CONNECT to save milliseconds apparently. + // Beware of upstream proxy servers that send out valid CONNECT responses with diagnostic data such as IPs! + sourceSocket.unshift(head); } const { proxyChainId } = sourceSocket; @@ -118,8 +125,8 @@ export const chain = ( } if (clientHead.length > 0) { - targetSocket.destroy(new Error(`Unexpected data on CONNECT: ${clientHead.length} bytes`)); - return; + // See comment above + targetSocket.unshift(clientHead); } server.emit('tunnelConnectResponded', { diff --git a/src/direct.ts b/src/direct.ts index c67f4151..0cbe16e9 100644 --- a/src/direct.ts +++ b/src/direct.ts @@ -45,7 +45,8 @@ export const direct = ( } if (head.length > 0) { - throw new Error(`Unexpected data on CONNECT: ${head.length} bytes`); + // See comment in chain.ts + sourceSocket.unshift(head); } const options = { diff --git a/test/server.js b/test/server.js index 6c630e40..cef5acf8 100644 --- a/test/server.js +++ b/test/server.js @@ -1331,6 +1331,63 @@ it('supports localAddress', async () => { } }); +it('supports pre-response CONNECT payload', (done) => { + const plain = net.createServer((socket) => { + socket.pipe(socket); + }); + + plain.once('error', done); + + plain.listen(0, async () => { + const server = new Server({ + port: 0, + }); + + try { + await server.listen(); + } catch (error) { + done(error); + return; + } + + const socket = net.connect({ + host: '127.0.0.1', + port: server.port, + }); + + socket.write([ + `CONNECT 127.0.0.1:${plain.address().port} HTTP/1.1`, + `Host: 127.0.0.1:${plain.address().port}`, + ``, + `foobar`, + ].join('\r\n')); + + let success = false; + + socket.once('error', done); + socket.on('data', (data) => { + success = data.includes('foobar'); + socket.end(); + }); + + socket.setTimeout(1000, () => { + socket.destroy(new Error('Socket timed out')); + }); + + socket.once('close', () => { + plain.close(async () => { + await server.close(); + + if (success) { + done(); + } else { + done(new Error('failure')); + } + }); + }); + }); +}); + // Run all combinations of test parameters const useSslVariants = [ false, From 5e4b32acb124308ebc947bb23f07552484a7490f Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Thu, 29 Sep 2022 14:57:22 +0200 Subject: [PATCH 051/109] feat: custom bad gateway statuses (#316) --- README.md | 52 +++++++++++++++++++++++++++++++++++ package.json | 2 +- src/chain.ts | 18 +++++++++---- src/forward.ts | 13 +++------ src/server.ts | 5 ++-- src/statuses.ts | 60 +++++++++++++++++++++++++++++++++++++++++ test/anonymize_proxy.js | 2 +- test/server.js | 19 ++++++------- 8 files changed, 144 insertions(+), 27 deletions(-) create mode 100644 src/statuses.ts diff --git a/README.md b/README.md index f1762903..1868cc8b 100644 --- a/README.md +++ b/README.md @@ -93,6 +93,58 @@ server.on('requestFailed', ({ request, error }) => { }); ``` +## A different approach to `502 Bad Gateway` + +`502` status code is not comprehensive enough. Therefore, the server may respond with `590-599` instead: + +### `590 Non Successful` + +Upstream responded with non-200 status code. + +### `591 RESERVED` + +*This status code is reserved for further use.* + +### `592 Status Code Out Of Range` + +Upstream respondend with status code different than 100-999. + +### `593 Not Found` + +DNS lookup failed - [`EAI_NODATA`](https://github.com/libuv/libuv/blob/cdbba74d7a756587a696fb3545051f9a525b85ac/include/uv.h#L82) or [`EAI_NONAME`](https://github.com/libuv/libuv/blob/cdbba74d7a756587a696fb3545051f9a525b85ac/include/uv.h#L83). + +### `594 Connection Refused` + +Upstream refused connection. + +### `595 Connection Reset` + +Connection reset due to loss of connection or timeout. + +### `596 Broken Pipe` + +Trying to write on a closed socket. + +### `597 Auth Failed` + +Incorrect upstream credentials. + +### `598 RESERVED` + +*This status code is reserved for further use.* + +### `599 Upstream Error` + +Generic upstream error. + +--- + +`590` and `592` indicate an issue on the upstream side. \ +`593` indicates an incorrect `proxy-chain` configuration.\ +`594`, `595` and `596` may occur due to connection loss.\ +`597` indicates incorrect upstream credentials.\ +`599` is a generic error, where the above is not applicable. + ## Custom error responses To return a custom HTTP response to indicate an error to the client, diff --git a/package.json b/package.json index 36794044..c59b868e 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "2.0.7", + "version": "2.1.0", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "keywords": [ diff --git a/src/chain.ts b/src/chain.ts index 5f47ada0..9f70cbb6 100644 --- a/src/chain.ts +++ b/src/chain.ts @@ -6,10 +6,11 @@ import { Buffer } from 'buffer'; import { countTargetBytes } from './utils/count_target_bytes'; import { getBasicAuthorizationHeader } from './utils/get_basic'; import { Socket } from './socket'; +import { badGatewayStatusCodes, errorCodeToStatusCode } from './statuses'; -const createHttpResponse = (statusCode: number, message: string) => { +const createHttpResponse = (statusCode: number, statusMessage: string, message = '') => { return [ - `HTTP/1.1 ${statusCode} ${http.STATUS_CODES[statusCode] || 'Unknown Status Code'}`, + `HTTP/1.1 ${statusCode} ${statusMessage || http.STATUS_CODES[statusCode] || 'Unknown Status Code'}`, 'Connection: close', `Date: ${(new Date()).toUTCString()}`, `Content-Length: ${Buffer.byteLength(message)}`, @@ -118,7 +119,12 @@ export const chain = ( if (isPlain) { sourceSocket.end(); } else { - sourceSocket.end(createHttpResponse(502, '')); + const { statusCode } = response; + const status = statusCode === 401 || statusCode === 407 + ? badGatewayStatusCodes.AUTH_FAILED + : badGatewayStatusCodes.NON_200; + + sourceSocket.end(createHttpResponse(status, `UPSTREAM${response.statusCode}`)); } return; @@ -162,7 +168,7 @@ export const chain = ( }); }); - client.on('error', (error) => { + client.on('error', (error: NodeJS.ErrnoException) => { server.log(proxyChainId, `Failed to connect to upstream proxy: ${error.stack}`); // The end socket may get connected after the client to proxy one gets disconnected. @@ -170,7 +176,9 @@ export const chain = ( if (isPlain) { sourceSocket.end(); } else { - sourceSocket.end(createHttpResponse(502, '')); + const statusCode = errorCodeToStatusCode[error.code!] ?? badGatewayStatusCodes.GENERIC_ERROR; + const response = createHttpResponse(statusCode, error.code ?? 'Upstream Closed Early'); + sourceSocket.end(response); } } }); diff --git a/src/forward.ts b/src/forward.ts index d4d532b6..83f481fe 100644 --- a/src/forward.ts +++ b/src/forward.ts @@ -7,6 +7,7 @@ import { URL } from 'url'; import { validHeadersOnly } from './utils/valid_headers_only'; import { getBasicAuthorizationHeader } from './utils/get_basic'; import { countTargetBytes } from './utils/count_target_bytes'; +import { badGatewayStatusCodes, errorCodeToStatusCode } from './statuses'; const pipeline = util.promisify(stream.pipeline); @@ -84,7 +85,7 @@ export const forward = async ( // This is necessary to prevent Node.js throwing an error let statusCode = clientResponse.statusCode!; if (statusCode < 100 || statusCode > 999) { - statusCode = 502; + statusCode = badGatewayStatusCodes.STATUS_CODE_OUT_OF_RANGE; } // 407 is handled separately @@ -123,15 +124,9 @@ export const forward = async ( return; } - const statuses: {[code: string]: number | undefined} = { - ENOTFOUND: proxy ? 502 : 404, - ECONNREFUSED: 502, - ECONNRESET: 502, - EPIPE: 502, - ETIMEDOUT: 504, - }; + const statusCode = errorCodeToStatusCode[error.code!] ?? badGatewayStatusCodes.GENERIC_ERROR; - response.statusCode = statuses[error.code!] ?? 502; + response.statusCode = !proxy && error.code === 'ENOTFOUND' ? 404 : statusCode; response.setHeader('content-type', 'text/plain; charset=utf-8'); response.end(http.STATUS_CODES[response.statusCode]); diff --git a/src/server.ts b/src/server.ts index 11e7b439..52bea1c3 100644 --- a/src/server.ts +++ b/src/server.ts @@ -16,6 +16,7 @@ import { direct } from './direct'; import { handleCustomResponse, HandlerOpts as CustomResponseOpts } from './custom_response'; import { Socket } from './socket'; import { normalizeUrlPort } from './utils/normalize_url_port'; +import { badGatewayStatusCodes } from './statuses'; // TODO: // - Implement this requirement from rfc7230 @@ -228,11 +229,11 @@ export class Server extends EventEmitter { */ normalizeHandlerError(error: NodeJS.ErrnoException): NodeJS.ErrnoException { if (error.message === 'Username contains an invalid colon') { - return new RequestError('Invalid colon in username in upstream proxy credentials', 502); + return new RequestError('Invalid colon in username in upstream proxy credentials', badGatewayStatusCodes.AUTH_FAILED); } if (error.message === '407 Proxy Authentication Required') { - return new RequestError('Invalid upstream proxy credentials', 502); + return new RequestError('Invalid upstream proxy credentials', badGatewayStatusCodes.AUTH_FAILED); } return error; diff --git a/src/statuses.ts b/src/statuses.ts new file mode 100644 index 00000000..5defcc98 --- /dev/null +++ b/src/statuses.ts @@ -0,0 +1,60 @@ +import { STATUS_CODES } from 'http'; + +type HttpStatusCode = number; + +export const badGatewayStatusCodes = { + /** + * Upstream has timed out. + */ + TIMEOUT: 504, + /** + * Upstream responded with non-200 status code. + */ + NON_200: 590, + /** + * Upstream respondend with status code different than 100-999. + */ + STATUS_CODE_OUT_OF_RANGE: 592, + /** + * DNS lookup failed - EAI_NODATA or EAI_NONAME. + */ + NOT_FOUND: 593, + /** + * Upstream refused connection. + */ + CONNECTION_REFUSED: 594, + /** + * Connection reset due to loss of connection or timeout. + */ + CONNECTION_RESET: 595, + /** + * Trying to write on a closed socket. + */ + BROKEN_PIPE: 596, + /** + * Incorrect upstream credentials. + */ + AUTH_FAILED: 597, + /** + * Generic upstream error. + */ + GENERIC_ERROR: 599, +} as const; + +STATUS_CODES['590'] = 'Non Successful'; +STATUS_CODES['592'] = 'Status Code Out Of Range'; +STATUS_CODES['593'] = 'Not Found'; +STATUS_CODES['594'] = 'Connection Refused'; +STATUS_CODES['595'] = 'Connection Reset'; +STATUS_CODES['596'] = 'Broken Pipe'; +STATUS_CODES['597'] = 'Auth Failed'; +STATUS_CODES['599'] = 'Upstream Error'; + +// https://nodejs.org/api/errors.html#common-system-errors +export const errorCodeToStatusCode: {[errorCode: string]: HttpStatusCode | undefined} = { + ENOTFOUND: badGatewayStatusCodes.NOT_FOUND, + ECONNREFUSED: badGatewayStatusCodes.CONNECTION_REFUSED, + ECONNRESET: badGatewayStatusCodes.CONNECTION_RESET, + EPIPE: badGatewayStatusCodes.BROKEN_PIPE, + ETIMEDOUT: badGatewayStatusCodes.TIMEOUT, +} as const; diff --git a/test/anonymize_proxy.js b/test/anonymize_proxy.js index 79bfb575..16ebabc2 100644 --- a/test/anonymize_proxy.js +++ b/test/anonymize_proxy.js @@ -418,7 +418,7 @@ describe('utils.anonymizeProxy', function () { assert.fail(); }) .catch((err) => { - expect(err.message).to.contains('Received invalid response code: 502'); // Gateway error + expect(err.message).to.contains('Received invalid response code: 597'); // Gateway error expect(wasProxyCalled).to.equal(false); }) .then(() => closeAnonymizedProxy(anonymousProxyUrl, true)) diff --git a/test/server.js b/test/server.js index cef5acf8..92480c59 100644 --- a/test/server.js +++ b/test/server.js @@ -460,7 +460,7 @@ const createTestSuite = ({ assert.fail(); }) .catch((err) => { - expect(err.message).to.contain(`${expectedStatusCode}`); + expect(err.message.slice(-3)).to.contain(`${expectedStatusCode}`); }) .finally(() => { mainProxyServer.removeListener('requestFailed', onRequestFailed); @@ -639,7 +639,7 @@ const createTestSuite = ({ return requestPromised(opts) .then((response) => { if (useMainProxy) { - expect(response.statusCode).to.eql(502); + expect(response.statusCode).to.eql(592); expect(response.body).to.eql('Bad status!'); } else { expect(response.statusCode).to.eql(55); @@ -912,7 +912,7 @@ const createTestSuite = ({ const opts = getRequestOpts(`http://127.0.0.1:${server.address().port}`); return requestPromised(opts) .then((response) => { - expect(response.statusCode).to.eql(502); + expect(response.statusCode).to.eql(599); server.close(); }); }); @@ -1073,25 +1073,25 @@ const createTestSuite = ({ await requestPromised(opts); expect(false).to.be.eql(true); } catch (error) { - expect(error.message).to.be.eql('tunneling socket could not be established, statusCode=502'); + expect(error.message).to.be.eql('tunneling socket could not be established, statusCode=597'); } } else { const response = await requestPromised(opts); - expect(response.statusCode).to.be.eql(502); + expect(response.statusCode).to.be.eql(597); expect(response.body).to.be.eql('Invalid colon in username in upstream proxy credentials'); } }); it('fails gracefully on non-existent upstream proxy host', () => { const opts = getRequestOpts(`${useSsl ? 'https' : 'http'}://activate-unknown-upstream-proxy-host.gov`); - return testForErrorResponse(opts, 502); + return testForErrorResponse(opts, 593); }); if (upstreamProxyAuth) { _it('fails gracefully on bad upstream proxy credentials', () => { const opts = getRequestOpts(`${useSsl ? 'https' : 'http'}://activate-bad-upstream-proxy-credentials.gov`); - return testForErrorResponse(opts, 502); + return testForErrorResponse(opts, 597); }); } } @@ -1253,7 +1253,7 @@ describe('non-200 upstream connect response', () => { } }); - it('fails downstream with 502', (done) => { + it('fails downstream with 590', (done) => { const server = http.createServer(); server.on('connect', (_request, socket) => { socket.once('error', () => {}); @@ -1282,7 +1282,8 @@ describe('non-200 upstream connect response', () => { }, }); req.once('connect', (response, socket, head) => { - expect(response.statusCode).to.equal(502); + expect(response.statusCode).to.equal(590); + expect(response.statusMessage).to.equal('UPSTREAM403'); expect(head.length).to.equal(0); success = true; From 44ba5328377f68365707934d2f8ea893c263f47d Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Mon, 17 Oct 2022 10:52:28 +0200 Subject: [PATCH 052/109] fix: do not use node: protocol yet (#330) --- package.json | 2 +- src/utils/parse_authorization_header.ts | 2 +- src/utils/valid_headers_only.ts | 1 - 3 files changed, 2 insertions(+), 3 deletions(-) diff --git a/package.json b/package.json index c59b868e..6aeed24b 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "2.1.0", + "version": "2.1.1", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "keywords": [ diff --git a/src/utils/parse_authorization_header.ts b/src/utils/parse_authorization_header.ts index ab9c52bc..6a8375db 100644 --- a/src/utils/parse_authorization_header.ts +++ b/src/utils/parse_authorization_header.ts @@ -1,4 +1,4 @@ -import { Buffer } from 'node:buffer'; +import { Buffer } from 'buffer'; const splitAt = (string: string, index: number) => { return [ diff --git a/src/utils/valid_headers_only.ts b/src/utils/valid_headers_only.ts index 90986f20..ee84ec46 100644 --- a/src/utils/valid_headers_only.ts +++ b/src/utils/valid_headers_only.ts @@ -1,4 +1,3 @@ -// @ts-expect-error Missing types import { validateHeaderName, validateHeaderValue } from 'http'; import { isHopByHopHeader } from './is_hop_by_hop_header'; From 4601da3dcbc1d3c735afc325d1f49a5307b86f67 Mon Sep 17 00:00:00 2001 From: Szymon Marczak <36894700+szmarczak@users.noreply.github.com> Date: Sun, 23 Oct 2022 15:04:39 +0200 Subject: [PATCH 053/109] feat: custom connect http server (#285) --- README.md | 55 +++++++++++++++++++++++++++++++++++++++++++ package.json | 4 ++-- src/custom_connect.ts | 27 +++++++++++++++++++++ src/server.ts | 12 +++++++++- test/server.js | 47 ++++++++++++++++++++++++++++++++++++ 5 files changed, 142 insertions(+), 3 deletions(-) create mode 100644 src/custom_connect.ts diff --git a/README.md b/README.md index 1868cc8b..4da25108 100644 --- a/README.md +++ b/README.md @@ -244,6 +244,61 @@ server.listen(() => { }); ``` +## Routing CONNECT to another HTTP server + +While `customResponseFunction` enables custom handling methods such as `GET` and `POST`, many HTTP clients rely on `CONNECT` tunnels. +It's possible to route those requests differently using the `customConnectServer` option. It accepts an instance of Node.js HTTP server. + +```javascript +const http = require('http'); +const ProxyChain = require('proxy-chain'); + +const exampleServer = http.createServer((request, response) => { + response.end('Hello from a custom server!'); +}); + +const server = new ProxyChain.Server({ + port: 8000, + prepareRequestFunction: ({ request, username, password, hostname, port, isHttp }) => { + if (request.url.toLowerCase() === 'example.com:80') { + return { + customConnectServer: exampleServer, + }; + } + + return {}; + }, +}); + +server.listen(() => { + console.log(`Proxy server is listening on port ${server.port}`); +}); +``` + +In the example above, all CONNECT tunnels to `example.com` are overridden. +This is an unsecure server, so it accepts only `http:` requests. + +In order to intercept `https:` requests, `https.createServer` should be used instead, along with a self signed certificate. + +```javascript +const https = require('https'); +const fs = require('fs'); +const key = fs.readFileSync('./test/ssl.key'); +const cert = fs.readFileSync('./test/ssl.crt'); + +const exampleServer = https.createServer({ + key, + cert, +}, (request, response) => { + response.end('Hello from a custom server!'); +}); +``` + +```diff +-if (request.url.toLowerCase() === 'example.com:80') { ++if (request.url.toLowerCase() === 'example.com:443') { +``` + ## Closing the server To shut down the proxy server, call the `close([destroyConnections], [callback])` function. For example: diff --git a/package.json b/package.json index 6aeed24b..6e291623 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "2.1.1", + "version": "2.2.0", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "keywords": [ @@ -47,7 +47,7 @@ "@apify/eslint-config-ts": "^0.2.3", "@apify/tsconfig": "^0.1.0", "@types/jest": "^28.1.2", - "@types/node": "^18.0.0", + "@types/node": "^18.8.3", "@typescript-eslint/eslint-plugin": "5.29.0", "@typescript-eslint/parser": "5.29.0", "basic-auth": "^2.0.1", diff --git a/src/custom_connect.ts b/src/custom_connect.ts new file mode 100644 index 00000000..423debbb --- /dev/null +++ b/src/custom_connect.ts @@ -0,0 +1,27 @@ +import net from 'net'; +import type http from 'http'; +import { promisify } from 'util'; + +const asyncWrite = promisify(net.Socket.prototype.write); + +export const customConnect = async (socket: net.Socket, server: http.Server): Promise => { + // `countTargetBytes(socket, socket)` is incorrect here since `socket` is not a target. + // We would have to create a new stream and pipe traffic through that, + // however this would also increase CPU usage. + // Also, counting bytes here is not correct since we don't know how the response is generated + // (whether any additional sockets are used). + + await asyncWrite.call(socket, 'HTTP/1.1 200 Connection Established\r\n\r\n'); + server.emit('connection', socket); + + return new Promise((resolve) => { + if (socket.destroyed) { + resolve(); + return; + } + + socket.once('close', () => { + resolve(); + }); + }); +}; diff --git a/src/server.ts b/src/server.ts index 52bea1c3..402f3575 100644 --- a/src/server.ts +++ b/src/server.ts @@ -17,6 +17,7 @@ import { handleCustomResponse, HandlerOpts as CustomResponseOpts } from './custo import { Socket } from './socket'; import { normalizeUrlPort } from './utils/normalize_url_port'; import { badGatewayStatusCodes } from './statuses'; +import { customConnect } from './custom_connect'; // TODO: // - Implement this requirement from rfc7230 @@ -46,7 +47,8 @@ type HandlerOpts = { trgParsed: URL | null; upstreamProxyUrlParsed: URL | null; isHttp: boolean; - customResponseFunction: CustomResponseOpts['customResponseFunction'] | null; + customResponseFunction?: CustomResponseOpts['customResponseFunction'] | null; + customConnectServer?: http.Server | null; localAddress?: string; ipFamily?: number; dnsLookup?: typeof dns['lookup']; @@ -64,6 +66,7 @@ export type PrepareRequestFunctionOpts = { export type PrepareRequestFunctionResult = { customResponseFunction?: CustomResponseOpts['customResponseFunction']; + customConnectServer?: http.Server | null; requestAuthentication?: boolean; failMsg?: string; upstreamProxyUrl?: string | null; @@ -274,6 +277,11 @@ export class Server extends EventEmitter { const data = { request, sourceSocket: socket, head, handlerOpts: handlerOpts as ChainOpts, server: this, isPlain: false }; + if (handlerOpts.customConnectServer) { + socket.unshift(head); // See chain.ts for why we do this + return await customConnect(socket, handlerOpts.customConnectServer); + } + if (handlerOpts.upstreamProxyUrlParsed) { this.log(socket.proxyChainId, `Using HandlerTunnelChain => ${request.url}`); return await chain(data); @@ -301,6 +309,7 @@ export class Server extends EventEmitter { isHttp: false, srcResponse: null, customResponseFunction: null, + customConnectServer: null, }; this.log((request.socket as Socket).proxyChainId, `!!! Handling ${request.method} ${request.url} HTTP/${request.httpVersion}`); @@ -404,6 +413,7 @@ export class Server extends EventEmitter { handlerOpts.localAddress = funcResult.localAddress; handlerOpts.ipFamily = funcResult.ipFamily; handlerOpts.dnsLookup = funcResult.dnsLookup; + handlerOpts.customConnectServer = funcResult.customConnectServer; // If not authenticated, request client to authenticate if (funcResult.requestAuthentication) { diff --git a/test/server.js b/test/server.js index 92480c59..a3d4fb8c 100644 --- a/test/server.js +++ b/test/server.js @@ -1332,6 +1332,53 @@ it('supports localAddress', async () => { } }); +it('supports custom CONNECT server handler', async () => { + const server = new Server({ + port: 0, + prepareRequestFunction: () => { + const customConnectServer = http.createServer((_request, response) => { + response.end('Hello, world!'); + }); + + return { + customConnectServer, + }; + }, + }); + + await server.listen(); + + try { + const response = await new Promise((resolve, reject) => { + http.request(`http://127.0.0.1:${server.port}`, { + method: 'CONNECT', + path: 'example.com:80', + headers: { + host: 'example.com:80', + }, + }).on('connect', (connectResponse, socket, head) => { + http.request('http://example.com', { + createConnection: () => socket, + }, (res) => { + const buffer = []; + + res.on('data', (chunk) => { + buffer.push(chunk); + }); + + res.on('end', () => { + resolve(Buffer.concat(buffer).toString()); + }); + }).on('error', reject).end(); + }).on('error', reject).end(); + }); + + expect(response).to.be.equal('Hello, world!'); + } finally { + await server.close(); + } +}); + it('supports pre-response CONNECT payload', (done) => { const plain = net.createServer((socket) => { socket.pipe(socket); From 739ea35b04a2489cbec732096e45d7aabc6059a8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marek=20Trunk=C3=A1t?= Date: Wed, 25 Jan 2023 09:04:42 +0100 Subject: [PATCH 054/109] feat: Updating pull request toolkit config [INTERNAL] --- .github/workflows/pr_toolkit.yml | 19 ++++++++++--------- 1 file changed, 10 insertions(+), 9 deletions(-) diff --git a/.github/workflows/pr_toolkit.yml b/.github/workflows/pr_toolkit.yml index ef650376..d59bb367 100644 --- a/.github/workflows/pr_toolkit.yml +++ b/.github/workflows/pr_toolkit.yml @@ -1,22 +1,23 @@ -name: Apify pull request toolkit +# For more info see: https://github.com/apify/pull-request-toolkit-action/ +name: Apify PR toolkit on: pull_request: branches: - master + types: ['opened', 'reopened', 'synchronize', 'labeled', 'unlabeled', 'edited', 'ready_for_review'] # The first 3 are default. + +concurrency: # This is to make sure that it's executed only for the most recent changes of PR. + group: ${{ github.ref }} + cancel-in-progress: true jobs: apify-pr-toolkit: - runs-on: ubuntu-20.04 + runs-on: ubuntu-latest steps: - - name: clone pull-request-toolkit-action - uses: actions/checkout@v2 - with: - repository: apify/pull-request-toolkit-action - path: ./.github/actions/pull-request-toolkit-action - - name: run pull-request-toolkit action - uses: ./.github/actions/pull-request-toolkit-action + uses: apify/pull-request-toolkit-action@main with: repo-token: ${{ secrets.GITHUB_TOKEN }} org-token: ${{ secrets.PULL_REQUEST_TOOLKIT_ACTION_GITHUB_TOKEN }} + zenhub-token: ${{ secrets.PULL_REQUEST_TOOLKIT_ACTION_ZENHUB_TOKEN }} From dde07fc25222fdfdb7a9cca50f1bbcc546208749 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marek=20Trunk=C3=A1t?= Date: Thu, 26 Jan 2023 17:06:44 +0100 Subject: [PATCH 055/109] chore: Adding some standard stuff to .gitignore [INTERNAL] --- .gitignore | 1 + 1 file changed, 1 insertion(+) diff --git a/.gitignore b/.gitignore index 4d93323b..78e170e5 100644 --- a/.gitignore +++ b/.gitignore @@ -14,3 +14,4 @@ docs package-lock.json .nyc_output dist +.vscore From e5a8f8af201d09ccf836ad9bcb720bd306e8bb2d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marek=20Trunk=C3=A1t?= Date: Thu, 26 Jan 2023 17:17:09 +0100 Subject: [PATCH 056/109] chore: Adding some standard stuff to .gitignore [INTERNAL] --- .gitignore | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/.gitignore b/.gitignore index 78e170e5..f309e3b3 100644 --- a/.gitignore +++ b/.gitignore @@ -14,4 +14,4 @@ docs package-lock.json .nyc_output dist -.vscore +.vscode From 6dd430caf64d8c07ce8b7d142f6106a1b29d6b59 Mon Sep 17 00:00:00 2001 From: IOM Date: Mon, 13 Feb 2023 16:28:33 +0100 Subject: [PATCH 057/109] docs: Fix example for anonymizeProxy (#273) The previous example doesn't set the port and the code fallback to the DEFAULT_PROXY_SERVER_PORT no random port in this configuration. --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index 4da25108..8faf69be 100644 --- a/README.md +++ b/README.md @@ -365,7 +365,7 @@ const proxyChain = require('proxy-chain'); (async() => { const oldProxyUrl = 'http://bob:password123@proxy.example.com:8000'; - const newProxyUrl = await proxyChain.anonymizeProxy({ url: oldProxyUrl }); + const newProxyUrl = await proxyChain.anonymizeProxy(oldProxyUrl); // Prints something like "http://127.0.0.1:45678" console.log(newProxyUrl); From df861d028daa829d140027aea8c5fff526a0f215 Mon Sep 17 00:00:00 2001 From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com> Date: Mon, 13 Feb 2023 16:30:40 +0100 Subject: [PATCH 058/109] chore: bump rimraf from 3.0.2 to 4.1.2 (#395) Bumps [rimraf](https://github.com/isaacs/rimraf) from 3.0.2 to 4.1.2. - [Release notes](https://github.com/isaacs/rimraf/releases) - [Changelog](https://github.com/isaacs/rimraf/blob/main/CHANGELOG.md) - [Commits](https://github.com/isaacs/rimraf/compare/v3.0.2...v4.1.2) --- updated-dependencies: - dependency-name: rimraf dependency-type: direct:development update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> --- package.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package.json b/package.json index 6e291623..d64c9dc6 100644 --- a/package.json +++ b/package.json @@ -66,7 +66,7 @@ "portastic": "^1.0.1", "proxy": "^1.0.2", "request": "^2.88.2", - "rimraf": "^3.0.2", + "rimraf": "^4.1.2", "sinon": "^13.0.2", "sinon-stub-promise": "^4.0.0", "through": "^2.3.8", From 145d509ddb34c43e9a65a2dca11b475d12acde87 Mon Sep 17 00:00:00 2001 From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com> Date: Mon, 13 Feb 2023 16:33:53 +0100 Subject: [PATCH 059/109] chore: bump puppeteer from 16.2.0 to 19.6.3 (#401) Bumps [puppeteer](https://github.com/puppeteer/puppeteer) from 16.2.0 to 19.6.3. - [Release notes](https://github.com/puppeteer/puppeteer/releases) - [Changelog](https://github.com/puppeteer/puppeteer/blob/main/release-please-config.json) - [Commits](https://github.com/puppeteer/puppeteer/compare/v16.2.0...puppeteer-v19.6.3) --- updated-dependencies: - dependency-name: puppeteer dependency-type: direct:development update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> --- package.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package.json b/package.json index d64c9dc6..05aabbe7 100644 --- a/package.json +++ b/package.json @@ -62,7 +62,7 @@ "isparta": "^4.1.1", "mocha": "^10.0.0", "nyc": "^15.1.0", - "puppeteer": "^16.0.0", + "puppeteer": "^19.6.3", "portastic": "^1.0.1", "proxy": "^1.0.2", "request": "^2.88.2", From dbf0eabd8c18df3db84153325f347837c70f347b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ji=C5=99=C3=AD=20Morav=C4=8D=C3=ADk?= Date: Thu, 16 Feb 2023 15:57:13 +0100 Subject: [PATCH 060/109] chore: Bump package version (#404) --- package.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package.json b/package.json index 05aabbe7..abbb0a60 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "2.2.0", + "version": "2.2.1", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "keywords": [ From a460ad8775fa6c492998f95016a35eff445651cd Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ji=C5=99=C3=AD=20Morav=C4=8D=C3=ADk?= Date: Mon, 20 Feb 2023 11:01:30 +0100 Subject: [PATCH 061/109] fix: Handle socket timeout to prevent connections from leaking (#407) --- src/server.ts | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/server.ts b/src/server.ts index 402f3575..b0387651 100644 --- a/src/server.ts +++ b/src/server.ts @@ -203,6 +203,11 @@ export class Server extends EventEmitter { this.connections.delete(unique); }); + // We have to manually destroy the socket if it timeouts. + // This will prevent connections from leaking and close them properly. + socket.on('timeout', () => { + socket.destroy(); + }); } /** From 67b43c0e0ca2b8cc0fa0dfcd8174092e86a3c98b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ji=C5=99=C3=AD=20Morav=C4=8D=C3=ADk?= Date: Wed, 1 Mar 2023 13:19:17 +0100 Subject: [PATCH 062/109] feat: Add `customTag` parameter to the tunnelConnectResponded event (#411) --- README.md | 18 ++++++++++++++++-- package.json | 2 +- src/chain.ts | 12 +++++++++++- src/server.ts | 3 +++ 4 files changed, 31 insertions(+), 4 deletions(-) diff --git a/README.md b/README.md index 8faf69be..92dc093f 100644 --- a/README.md +++ b/README.md @@ -45,7 +45,7 @@ const server = new ProxyChain.Server({ // Custom user-defined function to authenticate incoming proxy requests, // and optionally provide the URL to chained upstream proxy. // The function must return an object (or promise resolving to the object) with the following signature: - // { requestAuthentication: Boolean, upstreamProxyUrl: String } + // { requestAuthentication: boolean, upstreamProxyUrl: string, failMsg?: string, customTag?: unknown } // If the function is not defined or is null, the server runs in simple mode. // Note that the function takes a single argument with the following properties: // * request - An instance of http.IncomingMessage class with information about the client request @@ -72,6 +72,12 @@ const server = new ProxyChain.Server({ // If "requestAuthentication" is true, you can use the following property // to define a custom error message to return to the client instead of the default "Proxy credentials required" failMsg: 'Bad username or password, please try again.', + + // Optional custom tag that will be passed back via + // `tunnelConnectResponded` or `tunnelConnectFailed` events + // Can be used to pass information between proxy-chain + // and any external code or application using it + customTag: { userId: '123' }, }; }, }); @@ -326,7 +332,7 @@ the parameter types of the event callback are described in [Node.js's documentat [1]: https://nodejs.org/api/http.html#http_event_connect ```javascript -server.on('tunnelConnectResponded', ({ proxyChainId, response, socket, head }) => { +server.on('tunnelConnectResponded', ({ proxyChainId, response, socket, head, customTag }) => { console.log(`CONNECT response headers received: ${response.headers}`); }); ``` @@ -339,6 +345,14 @@ listenConnectAnonymizedProxy(anonymizedProxyUrl, ({ response, socket, head }) => }); ``` +You can also listen to CONNECT requests that receive response with status code different from 200. +The proxy server would emit a `tunnelConnectFailed` event. + +```javascript +server.on('tunnelConnectFailed', ({ proxyChainId, response, socket, head, customTag }) => { + console.log(`CONNECT response failed with status code: ${response.statusCode}`); +}); +``` ## Helper functions diff --git a/package.json b/package.json index abbb0a60..7417a5f6 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "2.2.1", + "version": "2.3.0", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "keywords": [ diff --git a/src/chain.ts b/src/chain.ts index 9f70cbb6..f9a07545 100644 --- a/src/chain.ts +++ b/src/chain.ts @@ -33,6 +33,7 @@ export interface HandlerOpts { localAddress?: string; ipFamily?: number; dnsLookup?: typeof dns['lookup']; + customTag?: unknown; } interface ChainOpts { @@ -72,7 +73,7 @@ export const chain = ( const { proxyChainId } = sourceSocket; - const { upstreamProxyUrlParsed: proxy } = handlerOpts; + const { upstreamProxyUrlParsed: proxy, customTag } = handlerOpts; const options: Options = { method: 'CONNECT', @@ -127,6 +128,14 @@ export const chain = ( sourceSocket.end(createHttpResponse(status, `UPSTREAM${response.statusCode}`)); } + server.emit('tunnelConnectFailed', { + proxyChainId, + response, + customTag, + socket: targetSocket, + head: clientHead, + }); + return; } @@ -138,6 +147,7 @@ export const chain = ( server.emit('tunnelConnectResponded', { proxyChainId, response, + customTag, socket: targetSocket, head: clientHead, }); diff --git a/src/server.ts b/src/server.ts index b0387651..b4fe8f52 100644 --- a/src/server.ts +++ b/src/server.ts @@ -52,6 +52,7 @@ type HandlerOpts = { localAddress?: string; ipFamily?: number; dnsLookup?: typeof dns['lookup']; + customTag?: unknown; }; export type PrepareRequestFunctionOpts = { @@ -73,6 +74,7 @@ export type PrepareRequestFunctionResult = { localAddress?: string; ipFamily?: number; dnsLookup?: typeof dns['lookup']; + customTag?: unknown; }; type Promisable = T | Promise; @@ -419,6 +421,7 @@ export class Server extends EventEmitter { handlerOpts.ipFamily = funcResult.ipFamily; handlerOpts.dnsLookup = funcResult.dnsLookup; handlerOpts.customConnectServer = funcResult.customConnectServer; + handlerOpts.customTag = funcResult.customTag; // If not authenticated, request client to authenticate if (funcResult.requestAuthentication) { From df9f45e835db8c4b2f47d670b413d63cba52e185 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ji=C5=99=C3=AD=20Morav=C4=8D=C3=ADk?= Date: Sun, 23 Apr 2023 18:13:16 +0200 Subject: [PATCH 063/109] chore: Unify YAML file extensions to .yaml (#429) --- .github/{dependabot.yml => dependabot.yaml} | 0 .github/workflows/{check.yml => check.yaml} | 0 .github/workflows/{pr_toolkit.yml => pr_toolkit.yaml} | 0 .github/workflows/{release.yml => release.yaml} | 0 4 files changed, 0 insertions(+), 0 deletions(-) rename .github/{dependabot.yml => dependabot.yaml} (100%) rename .github/workflows/{check.yml => check.yaml} (100%) rename .github/workflows/{pr_toolkit.yml => pr_toolkit.yaml} (100%) rename .github/workflows/{release.yml => release.yaml} (100%) diff --git a/.github/dependabot.yml b/.github/dependabot.yaml similarity index 100% rename from .github/dependabot.yml rename to .github/dependabot.yaml diff --git a/.github/workflows/check.yml b/.github/workflows/check.yaml similarity index 100% rename from .github/workflows/check.yml rename to .github/workflows/check.yaml diff --git a/.github/workflows/pr_toolkit.yml b/.github/workflows/pr_toolkit.yaml similarity index 100% rename from .github/workflows/pr_toolkit.yml rename to .github/workflows/pr_toolkit.yaml diff --git a/.github/workflows/release.yml b/.github/workflows/release.yaml similarity index 100% rename from .github/workflows/release.yml rename to .github/workflows/release.yaml From 2cd7c57916895b6def8e77cba71112b4fd9c1dc1 Mon Sep 17 00:00:00 2001 From: Juro Oravec Date: Mon, 21 Aug 2023 12:03:12 +0200 Subject: [PATCH 064/109] refactor: Avoid accessing prototype in custom_connect (#522) * refactor: avoid accessing in custom_connect * refactor: move asyncWrite into customConnect * refactor: call asyncWrite directly --- src/custom_connect.ts | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/src/custom_connect.ts b/src/custom_connect.ts index 423debbb..7f2e3387 100644 --- a/src/custom_connect.ts +++ b/src/custom_connect.ts @@ -2,8 +2,6 @@ import net from 'net'; import type http from 'http'; import { promisify } from 'util'; -const asyncWrite = promisify(net.Socket.prototype.write); - export const customConnect = async (socket: net.Socket, server: http.Server): Promise => { // `countTargetBytes(socket, socket)` is incorrect here since `socket` is not a target. // We would have to create a new stream and pipe traffic through that, @@ -11,7 +9,8 @@ export const customConnect = async (socket: net.Socket, server: http.Server): Pr // Also, counting bytes here is not correct since we don't know how the response is generated // (whether any additional sockets are used). - await asyncWrite.call(socket, 'HTTP/1.1 200 Connection Established\r\n\r\n'); + const asyncWrite = promisify(socket.write).bind(socket); + await asyncWrite('HTTP/1.1 200 Connection Established\r\n\r\n'); server.emit('connection', socket); return new Promise((resolve) => { From daecafb1802caef070e54a662e090d18cf2f336a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marek=20Trunk=C3=A1t?= Date: Thu, 7 Sep 2023 10:26:33 +0200 Subject: [PATCH 065/109] chore: Removing PR toolkit workflow in favor of an organization wide one --- .github/workflows/pr_toolkit.yaml | 23 ----------------------- 1 file changed, 23 deletions(-) delete mode 100644 .github/workflows/pr_toolkit.yaml diff --git a/.github/workflows/pr_toolkit.yaml b/.github/workflows/pr_toolkit.yaml deleted file mode 100644 index d59bb367..00000000 --- a/.github/workflows/pr_toolkit.yaml +++ /dev/null @@ -1,23 +0,0 @@ -# For more info see: https://github.com/apify/pull-request-toolkit-action/ -name: Apify PR toolkit - -on: - pull_request: - branches: - - master - types: ['opened', 'reopened', 'synchronize', 'labeled', 'unlabeled', 'edited', 'ready_for_review'] # The first 3 are default. - -concurrency: # This is to make sure that it's executed only for the most recent changes of PR. - group: ${{ github.ref }} - cancel-in-progress: true - -jobs: - apify-pr-toolkit: - runs-on: ubuntu-latest - steps: - - name: run pull-request-toolkit action - uses: apify/pull-request-toolkit-action@main - with: - repo-token: ${{ secrets.GITHUB_TOKEN }} - org-token: ${{ secrets.PULL_REQUEST_TOOLKIT_ACTION_GITHUB_TOKEN }} - zenhub-token: ${{ secrets.PULL_REQUEST_TOOLKIT_ACTION_ZENHUB_TOKEN }} From 522278259a2ca0e01528a51984dc18b54991b71e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ji=C5=99=C3=AD=20Morav=C4=8D=C3=ADk?= Date: Thu, 2 Nov 2023 12:00:32 +0100 Subject: [PATCH 066/109] feat: Add option to specify server's `host` (#526) --- README.md | 5 +++++ package.json | 2 +- src/anonymize_proxy.ts | 1 + src/server.ts | 8 +++++--- 4 files changed, 12 insertions(+), 4 deletions(-) diff --git a/README.md b/README.md index 92dc093f..6a43c6ad 100644 --- a/README.md +++ b/README.md @@ -39,6 +39,11 @@ const server = new ProxyChain.Server({ // Port where the server will listen. By default 8000. port: 8000, + // Optional host where the proxy server will listen. + // If not specified, the sever listens on an unspecified IP address (0.0.0.0 in IPv4, :: in IPv6) + // You can use this option to limit the access to the proxy server. + host: 'localhost', + // Enables verbose logging verbose: true, diff --git a/package.json b/package.json index 7417a5f6..ddbd4f77 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "2.3.0", + "version": "2.4.0", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "keywords": [ diff --git a/src/anonymize_proxy.ts b/src/anonymize_proxy.ts index e9b12d84..9771d211 100644 --- a/src/anonymize_proxy.ts +++ b/src/anonymize_proxy.ts @@ -56,6 +56,7 @@ export const anonymizeProxy = ( server = new Server({ // verbose: true, port, + host: '127.0.0.1', prepareRequestFunction: () => { return { requestAuthentication: false, diff --git a/src/server.ts b/src/server.ts index b4fe8f52..b5a802b1 100644 --- a/src/server.ts +++ b/src/server.ts @@ -88,6 +88,8 @@ export type PrepareRequestFunction = (opts: PrepareRequestFunctionOpts) => Promi export class Server extends EventEmitter { port: number; + host?: string; + prepareRequestFunction?: PrepareRequestFunction; authRealm: unknown; @@ -138,6 +140,7 @@ export class Server extends EventEmitter { */ constructor(options: { port?: number, + host?: string, prepareRequestFunction?: PrepareRequestFunction, verbose?: boolean, authRealm?: unknown, @@ -150,6 +153,7 @@ export class Server extends EventEmitter { this.port = options.port; } + this.host = options.host; this.prepareRequestFunction = options.prepareRequestFunction; this.authRealm = options.authRealm || DEFAULT_AUTH_REALM; this.verbose = !!options.verbose; @@ -537,8 +541,6 @@ export class Server extends EventEmitter { /** * Starts listening at a port specified in the constructor. - * @param callback Optional callback - * @return {(Promise|undefined)} */ listen(callback?: (error: NodeJS.ErrnoException | null) => void): Promise { const promise = new Promise((resolve, reject) => { @@ -562,7 +564,7 @@ export class Server extends EventEmitter { this.server.on('error', onError); this.server.on('listening', onListening); - this.server.listen(this.port); + this.server.listen(this.port, this.host); }); return nodeify(promise, callback); From 475a679c9047d922ea7cb51e12d0e266ef454787 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ji=C5=99=C3=AD=20Morav=C4=8D=C3=ADk?= Date: Thu, 2 May 2024 08:47:15 +0200 Subject: [PATCH 067/109] docs: update `anonymizeProxy` docs (#536) --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index 6a43c6ad..bf529036 100644 --- a/README.md +++ b/README.md @@ -368,7 +368,7 @@ The package also provides several utility functions. Parses and validates a HTTP proxy URL. If the proxy requires authentication, then the function starts an open local proxy server that forwards to the proxy. -The port is chosen randomly. +The port (on which the local proxy server will start) can be set via the `port` property of the first argument, if not provided, it will be chosen randomly. The function takes an optional callback that receives the anonymous proxy URL. If no callback is supplied, the function returns a promise that resolves to a String with From e06a7ba779d752aff751ca12dbff568600b6c044 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jan=20=C4=8Curn?= Date: Mon, 17 Jun 2024 11:25:26 +0200 Subject: [PATCH 068/109] Update README.md (#538) * Update README.md * Update README.md * Update README.md --- README.md | 29 +++++++++++++++-------------- 1 file changed, 15 insertions(+), 14 deletions(-) diff --git a/README.md b/README.md index bf529036..42827046 100644 --- a/README.md +++ b/README.md @@ -1,22 +1,23 @@ # Programmable HTTP proxy server for Node.js [![npm version](https://badge.fury.io/js/proxy-chain.svg)](http://badge.fury.io/js/proxy-chain) -[![Build Status](https://travis-ci.com/apify/proxy-chain.svg?branch=master)](https://travis-ci.com/apify/proxy-chain) -Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, -custom HTTP responses and measuring traffic statistics. -The authentication and proxy chaining configuration is defined in code and can be dynamic. -Note that the proxy server only supports Basic authentication -(see [Proxy-Authorization](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Proxy-Authorization) for details). +A programmable proxy server (think Squid) with support for SSL/TLS, authentication, upstream proxy chaining, +custom HTTP responses, and traffic statistics. +The authentication and proxy chaining configuration is defined in code and can be fully dynamic, giving you a high level of customization for your use case. -For example, this package is useful if you need to use proxies with authentication -in the headless Chrome web browser, because it doesn't accept proxy URLs such as `http://username:password@proxy.example.com:8080`. -With this library, you can set up a local proxy server without any password +For example, the proxy-chain package is useful if you need to use headless Chrome web browser and proxies with authentication, +because Chrome doesn't support proxy URLs with password, such as `http://username:password@proxy.example.com:8080`. +With this package, you can set up a local proxy server without any password that will forward requests to the upstream proxy with password. -The package is used for this exact purpose by the [Apify web scraping platform](https://www.apify.com). +For details, read [How to make headless Chrome and Puppeteer use a proxy server with authentication](https://blog.apify.com/how-to-make-headless-chrome-and-puppeteer-use-a-proxy-server-with-authentication-249a21a79212/). -To learn more about the rationale behind this package, -read [How to make headless Chrome and Puppeteer use a proxy server with authentication](https://medium.com/@jancurn/how-to-make-headless-chrome-and-puppeteer-use-a-proxy-server-with-authentication-249a21a79212). +The proxy-chain package is developed by [Apify](https://apify.com/), the full-stack web scraping and data extraction platform, to support their [Apify Proxy](https://apify.com/proxy) product, +which provides an easy access to a large pool of datacenter and residential IP addresses all around the world. The proxy-chain package is also used by [Crawlee](https://crawlee.dev/), +the world's most popular web craling library for Node.js. + +Note that the proxy-chain package currently only supports HTTP forwarding and HTTP CONNECT tunneling to forward arbitrary protocols such as HTTPS or FTP ([learn more](https://blog.apify.com/tunneling-arbitrary-protocols-over-http-proxy-with-static-ip-address-b3a2222191ff)). The SOCKS protocol is not supported yet. +Also, proxy-chain only supports the Basic [Proxy-Authorization](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Proxy-Authorization). ## Run a simple HTTP/HTTPS proxy server @@ -104,9 +105,9 @@ server.on('requestFailed', ({ request, error }) => { }); ``` -## A different approach to `502 Bad Gateway` +## Error status codes -`502` status code is not comprehensive enough. Therefore, the server may respond with `590-599` instead: +The `502 Bad Gateway` HTTP status code is not comprehensive enough. Therefore, the server may respond with `590-599` instead: ### `590 Non Successful` From 94640e511054ad79bacf16aee434ebf029e817e0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ji=C5=99=C3=AD=20Morav=C4=8D=C3=ADk?= Date: Mon, 17 Jun 2024 11:33:14 +0200 Subject: [PATCH 069/109] chore: bump package version (#539) --- package.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package.json b/package.json index ddbd4f77..d2f20355 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "2.4.0", + "version": "2.4.1", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "keywords": [ From a586b3e18ce36c53f9255f56992e7f9a65b24144 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ji=C5=99=C3=AD=20Morav=C4=8D=C3=ADk?= Date: Fri, 21 Jun 2024 14:42:34 +0200 Subject: [PATCH 070/109] feat: support SOCKS proxy (#540) --- README.md | 11 +++- package.json | 6 +- src/chain.ts | 19 ++----- src/chain_socks.ts | 128 +++++++++++++++++++++++++++++++++++++++++++ src/direct.ts | 2 +- src/forward_socks.ts | 102 ++++++++++++++++++++++++++++++++++ src/server.ts | 27 ++++++--- src/statuses.ts | 22 ++++++++ 8 files changed, 290 insertions(+), 27 deletions(-) create mode 100644 src/chain_socks.ts create mode 100644 src/forward_socks.ts diff --git a/README.md b/README.md index 42827046..8fcf0478 100644 --- a/README.md +++ b/README.md @@ -2,7 +2,7 @@ [![npm version](https://badge.fury.io/js/proxy-chain.svg)](http://badge.fury.io/js/proxy-chain) -A programmable proxy server (think Squid) with support for SSL/TLS, authentication, upstream proxy chaining, +A programmable proxy server (think Squid) with support for SSL/TLS, authentication, upstream proxy chaining, SOCKS4/5 protocol, custom HTTP responses, and traffic statistics. The authentication and proxy chaining configuration is defined in code and can be fully dynamic, giving you a high level of customization for your use case. @@ -69,11 +69,13 @@ const server = new ProxyChain.Server({ // requiring Basic authentication. Here you can verify user credentials. requestAuthentication: username !== 'bob' || password !== 'TopSecret', - // Sets up an upstream HTTP proxy to which all the requests are forwarded. + // Sets up an upstream HTTP/SOCKS proxy to which all the requests are forwarded. // If null, the proxy works in direct mode, i.e. the connection is forwarded directly // to the target server. This field is ignored if "requestAuthentication" is true. // The username and password must be URI-encoded. upstreamProxyUrl: `http://username:password@proxy.example.com:3128`, + // Or use SOCKS4/5 proxy, e.g. + // upstreamProxyUrl: `socks://username:password@proxy.example.com:1080`, // If "requestAuthentication" is true, you can use the following property // to define a custom error message to return to the client instead of the default "Proxy credentials required" @@ -105,6 +107,11 @@ server.on('requestFailed', ({ request, error }) => { }); ``` +## SOCKS support +SOCKS protocol is supported for versions 4 and 5, specifically: `['socks', 'socks4', 'socks4a', 'socks5', 'socks5h']`, where `socks` will default to version 5. + +You can use an `upstreamProxyUrl` like `socks://username:password@proxy.example.com:1080`. + ## Error status codes The `502 Bad Gateway` HTTP status code is not comprehensive enough. Therefore, the server may respond with `590-599` instead: diff --git a/package.json b/package.json index d2f20355..e7977d1d 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "2.4.1", + "version": "2.5.0", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "keywords": [ @@ -62,9 +62,9 @@ "isparta": "^4.1.1", "mocha": "^10.0.0", "nyc": "^15.1.0", - "puppeteer": "^19.6.3", "portastic": "^1.0.1", "proxy": "^1.0.2", + "puppeteer": "^19.6.3", "request": "^2.88.2", "rimraf": "^4.1.2", "sinon": "^13.0.2", @@ -86,6 +86,8 @@ ] }, "dependencies": { + "socks": "^2.8.3", + "socks-proxy-agent": "^8.0.3", "tslib": "^2.3.1" } } diff --git a/src/chain.ts b/src/chain.ts index f9a07545..f5370355 100644 --- a/src/chain.ts +++ b/src/chain.ts @@ -6,18 +6,7 @@ import { Buffer } from 'buffer'; import { countTargetBytes } from './utils/count_target_bytes'; import { getBasicAuthorizationHeader } from './utils/get_basic'; import { Socket } from './socket'; -import { badGatewayStatusCodes, errorCodeToStatusCode } from './statuses'; - -const createHttpResponse = (statusCode: number, statusMessage: string, message = '') => { - return [ - `HTTP/1.1 ${statusCode} ${statusMessage || http.STATUS_CODES[statusCode] || 'Unknown Status Code'}`, - 'Connection: close', - `Date: ${(new Date()).toUTCString()}`, - `Content-Length: ${Buffer.byteLength(message)}`, - ``, - message, - ].join('\r\n'); -}; +import { badGatewayStatusCodes, createCustomStatusHttpResponse, errorCodeToStatusCode } from './statuses'; interface Options { method: string; @@ -41,7 +30,7 @@ interface ChainOpts { sourceSocket: Socket; head?: Buffer; handlerOpts: HandlerOpts; - server: EventEmitter & { log: (...args: any[]) => void; }; + server: EventEmitter & { log: (connectionId: unknown, str: string) => void }; isPlain: boolean; } @@ -125,7 +114,7 @@ export const chain = ( ? badGatewayStatusCodes.AUTH_FAILED : badGatewayStatusCodes.NON_200; - sourceSocket.end(createHttpResponse(status, `UPSTREAM${response.statusCode}`)); + sourceSocket.end(createCustomStatusHttpResponse(status, `UPSTREAM${statusCode}`)); } server.emit('tunnelConnectFailed', { @@ -187,7 +176,7 @@ export const chain = ( sourceSocket.end(); } else { const statusCode = errorCodeToStatusCode[error.code!] ?? badGatewayStatusCodes.GENERIC_ERROR; - const response = createHttpResponse(statusCode, error.code ?? 'Upstream Closed Early'); + const response = createCustomStatusHttpResponse(statusCode, error.code ?? 'Upstream Closed Early'); sourceSocket.end(response); } } diff --git a/src/chain_socks.ts b/src/chain_socks.ts new file mode 100644 index 00000000..0bd0c436 --- /dev/null +++ b/src/chain_socks.ts @@ -0,0 +1,128 @@ +import http from 'http'; +import net from 'net'; +import { Buffer } from 'buffer'; +import { URL } from 'url'; +import { EventEmitter } from 'events'; +import { SocksClient, SocksClientError, type SocksProxy } from 'socks'; +import { countTargetBytes } from './utils/count_target_bytes'; +import { Socket } from './socket'; +import { createCustomStatusHttpResponse, socksErrorMessageToStatusCode } from './statuses'; + +export interface HandlerOpts { + upstreamProxyUrlParsed: URL; + customTag?: unknown; +} + +interface ChainSocksOpts { + request: http.IncomingMessage, + sourceSocket: Socket; + head: Buffer; + server: EventEmitter & { log: (connectionId: unknown, str: string) => void }; + handlerOpts: HandlerOpts; +} + +const socksProtocolToVersionNumber = (protocol: string): 4 | 5 => { + switch (protocol) { + case 'socks4:': + case 'socks4a:': + return 4; + default: + return 5; + } +}; + +/** + * Client -> Apify (CONNECT) -> Upstream (SOCKS) -> Web + * Client <- Apify (CONNECT) <- Upstream (SOCKS) <- Web + */ +export const chainSocks = async ({ + request, + sourceSocket, + head, + server, + handlerOpts, +}: ChainSocksOpts): Promise => { + const { proxyChainId } = sourceSocket; + + const { hostname, port, username, password } = handlerOpts.upstreamProxyUrlParsed; + + const proxy: SocksProxy = { + host: hostname, + port: Number(port), + type: socksProtocolToVersionNumber(handlerOpts.upstreamProxyUrlParsed.protocol), + userId: username, + password, + }; + + if (head && head.length > 0) { + // HTTP/1.1 has no defined semantics when sending payload along with CONNECT and servers can reject the request. + // HTTP/2 only says that subsequent DATA frames must be transferred after HEADERS has been sent. + // HTTP/3 says that all DATA frames should be transferred (implies pre-HEADERS data). + // + // Let's go with the HTTP/3 behavior. + // There are also clients that send payload along with CONNECT to save milliseconds apparently. + // Beware of upstream proxy servers that send out valid CONNECT responses with diagnostic data such as IPs! + sourceSocket.unshift(head); + } + + const url = new URL(`connect://${request.url}`); + const destination = { + port: Number(url.port), + host: url.hostname, + }; + + let targetSocket: net.Socket; + + try { + const client = await SocksClient.createConnection({ + proxy, + command: 'connect', + destination, + }); + targetSocket = client.socket; + + sourceSocket.write(`HTTP/1.1 200 Connection Established\r\n\r\n`); + } catch (error) { + const socksError = error as SocksClientError; + server.log(proxyChainId, `Failed to connect to upstream SOCKS proxy ${socksError.stack}`); + sourceSocket.end(createCustomStatusHttpResponse(socksErrorMessageToStatusCode(socksError.message), socksError.message)); + return; + } + + countTargetBytes(sourceSocket, targetSocket); + + sourceSocket.pipe(targetSocket); + targetSocket.pipe(sourceSocket); + + // Once target socket closes forcibly, the source socket gets paused. + // We need to enable flowing, otherwise the socket would remain open indefinitely. + // Nothing would consume the data, we just want to close the socket. + targetSocket.on('close', () => { + sourceSocket.resume(); + + if (sourceSocket.writable) { + sourceSocket.end(); + } + }); + + // Same here. + sourceSocket.on('close', () => { + targetSocket.resume(); + + if (targetSocket.writable) { + targetSocket.end(); + } + }); + + targetSocket.on('error', (error) => { + server.log(proxyChainId, `Chain SOCKS Destination Socket Error: ${error.stack}`); + + sourceSocket.destroy(); + }); + + sourceSocket.on('error', (error) => { + server.log(proxyChainId, `Chain SOCKS Source Socket Error: ${error.stack}`); + + targetSocket.destroy(); + }); +}; diff --git a/src/direct.ts b/src/direct.ts index 0cbe16e9..c1c867c6 100644 --- a/src/direct.ts +++ b/src/direct.ts @@ -16,7 +16,7 @@ interface DirectOpts { request: { url?: string }; sourceSocket: Socket; head: Buffer; - server: EventEmitter & { log: (...args: any[]) => void; }; + server: EventEmitter & { log: (connectionId: unknown, str: string) => void }; handlerOpts: HandlerOpts; } diff --git a/src/forward_socks.ts b/src/forward_socks.ts new file mode 100644 index 00000000..66d6ab1f --- /dev/null +++ b/src/forward_socks.ts @@ -0,0 +1,102 @@ +import http from 'http'; +import stream from 'stream'; +import util from 'util'; +import { URL } from 'url'; +import { SocksProxyAgent } from 'socks-proxy-agent'; +import { validHeadersOnly } from './utils/valid_headers_only'; +import { countTargetBytes } from './utils/count_target_bytes'; +import { badGatewayStatusCodes, errorCodeToStatusCode } from './statuses'; + +const pipeline = util.promisify(stream.pipeline); + +interface Options { + method: string; + headers: string[]; + insecureHTTPParser: boolean; + path?: string; + localAddress?: string; + agent: http.Agent; +} + +export interface HandlerOpts { + upstreamProxyUrlParsed: URL; + localAddress?: string; +} + +/** + * ``` + * Client -> Apify (HTTP) -> Upstream (SOCKS) -> Web + * Client <- Apify (HTTP) <- Upstream (SOCKS) <- Web + * ``` + */ +export const forwardSocks = async ( + request: http.IncomingMessage, + response: http.ServerResponse, + handlerOpts: HandlerOpts, + // eslint-disable-next-line no-async-promise-executor +): Promise => new Promise(async (resolve, reject) => { + const agent = new SocksProxyAgent(handlerOpts.upstreamProxyUrlParsed); + + const options: Options = { + method: request.method!, + headers: validHeadersOnly(request.rawHeaders), + insecureHTTPParser: true, + localAddress: handlerOpts.localAddress, + agent, + }; + + // Only handling "http" here - since everything else is handeled by tunnelSocks. + // We have to force cast `options` because @types/node doesn't support an array. + const client = http.request(request.url!, options as unknown as http.ClientRequestArgs, async (clientResponse) => { + try { + // This is necessary to prevent Node.js throwing an error + let statusCode = clientResponse.statusCode!; + if (statusCode < 100 || statusCode > 999) { + statusCode = badGatewayStatusCodes.STATUS_CODE_OUT_OF_RANGE; + } + + // 407 is handled separately + if (clientResponse.statusCode === 407) { + reject(new Error('407 Proxy Authentication Required')); + return; + } + + response.writeHead( + statusCode, + clientResponse.statusMessage, + validHeadersOnly(clientResponse.rawHeaders), + ); + + // `pipeline` automatically handles all the events and data + await pipeline( + clientResponse, + response, + ); + + resolve(); + } catch (error) { + // Client error, pipeline already destroys the streams, ignore. + resolve(); + } + }); + + client.once('socket', (socket) => { + countTargetBytes(request.socket, socket); + }); + + // Can't use pipeline here as it automatically destroys the streams + request.pipe(client); + client.on('error', (error: NodeJS.ErrnoException) => { + if (response.headersSent) { + return; + } + + const statusCode = errorCodeToStatusCode[error.code!] ?? badGatewayStatusCodes.GENERIC_ERROR; + + response.statusCode = statusCode; + response.setHeader('content-type', 'text/plain; charset=utf-8'); + response.end(http.STATUS_CODES[response.statusCode]); + + resolve(); + }); +}); diff --git a/src/server.ts b/src/server.ts index b5a802b1..ddea7e8b 100644 --- a/src/server.ts +++ b/src/server.ts @@ -18,6 +18,10 @@ import { Socket } from './socket'; import { normalizeUrlPort } from './utils/normalize_url_port'; import { badGatewayStatusCodes } from './statuses'; import { customConnect } from './custom_connect'; +import { forwardSocks } from './forward_socks'; +import { chainSocks } from './chain_socks'; + +const SOCKS_PROTOCOLS = ['socks:', 'socks4:', 'socks4a:', 'socks5:', 'socks5h:']; // TODO: // - Implement this requirement from rfc7230 @@ -176,6 +180,7 @@ export class Server extends EventEmitter { log(connectionId: unknown, str: string): void { if (this.verbose) { const logPrefix = connectionId ? `${String(connectionId)} | ` : ''; + // eslint-disable-next-line no-console console.log(`ProxyServer[${this.port}]: ${logPrefix}${str}`); } } @@ -264,11 +269,16 @@ export class Server extends EventEmitter { const { proxyChainId } = request.socket as Socket; if (handlerOpts.customResponseFunction) { - this.log(proxyChainId, 'Using HandlerCustomResponse'); + this.log(proxyChainId, 'Using handleCustomResponse()'); return await handleCustomResponse(request, response, handlerOpts as CustomResponseOpts); } - this.log(proxyChainId, 'Using forward'); + if (handlerOpts.upstreamProxyUrlParsed && SOCKS_PROTOCOLS.includes(handlerOpts.upstreamProxyUrlParsed.protocol)) { + this.log(proxyChainId, 'Using forwardSocks()'); + return await forwardSocks(request, response, handlerOpts as ForwardOpts); + } + + this.log(proxyChainId, 'Using forward()'); return await forward(request, response, handlerOpts as ForwardOpts); } catch (error) { this.failRequest(request, this.normalizeHandlerError(error as NodeJS.ErrnoException)); @@ -294,11 +304,15 @@ export class Server extends EventEmitter { } if (handlerOpts.upstreamProxyUrlParsed) { - this.log(socket.proxyChainId, `Using HandlerTunnelChain => ${request.url}`); + if (SOCKS_PROTOCOLS.includes(handlerOpts.upstreamProxyUrlParsed.protocol)) { + this.log(socket.proxyChainId, `Using chainSocks() => ${request.url}`); + return await chainSocks(data); + } + this.log(socket.proxyChainId, `Using chain() => ${request.url}`); return await chain(data); } - this.log(socket.proxyChainId, `Using HandlerTunnelDirect => ${request.url}`); + this.log(socket.proxyChainId, `Using direct() => ${request.url}`); return await direct(data); } catch (error) { this.failRequest(request, this.normalizeHandlerError(error as NodeJS.ErrnoException)); @@ -439,9 +453,9 @@ export class Server extends EventEmitter { throw new Error(`Invalid "upstreamProxyUrl" provided: ${error} (was "${funcResult.upstreamProxyUrl}"`); } - if (handlerOpts.upstreamProxyUrlParsed.protocol !== 'http:') { + if (!['http:', ...SOCKS_PROTOCOLS].includes(handlerOpts.upstreamProxyUrlParsed.protocol)) { // eslint-disable-next-line max-len - throw new Error(`Invalid "upstreamProxyUrl" provided: URL must have the "http" protocol (was "${funcResult.upstreamProxyUrl}")`); + throw new Error(`Invalid "upstreamProxyUrl" provided: URL must have one of the following protocols: "http", ${SOCKS_PROTOCOLS.map((p) => `"${p.replace(':', '')}"`).join(', ')} (was "${funcResult.upstreamProxyUrl}")`); } } @@ -512,7 +526,6 @@ export class Server extends EventEmitter { headers.date = (new Date()).toUTCString(); headers['content-length'] = String(Buffer.byteLength(message)); - // TODO: we should use ??= here headers.server = headers.server || this.authRealm; headers['content-type'] = headers['content-type'] || 'text/plain; charset=utf-8'; diff --git a/src/statuses.ts b/src/statuses.ts index 5defcc98..cd7c0fa2 100644 --- a/src/statuses.ts +++ b/src/statuses.ts @@ -50,6 +50,17 @@ STATUS_CODES['596'] = 'Broken Pipe'; STATUS_CODES['597'] = 'Auth Failed'; STATUS_CODES['599'] = 'Upstream Error'; +export const createCustomStatusHttpResponse = (statusCode: number, statusMessage: string, message = '') => { + return [ + `HTTP/1.1 ${statusCode} ${statusMessage || STATUS_CODES[statusCode] || 'Unknown Status Code'}`, + 'Connection: close', + `Date: ${(new Date()).toUTCString()}`, + `Content-Length: ${Buffer.byteLength(message)}`, + ``, + message, + ].join('\r\n'); +}; + // https://nodejs.org/api/errors.html#common-system-errors export const errorCodeToStatusCode: {[errorCode: string]: HttpStatusCode | undefined} = { ENOTFOUND: badGatewayStatusCodes.NOT_FOUND, @@ -58,3 +69,14 @@ export const errorCodeToStatusCode: {[errorCode: string]: HttpStatusCode | undef EPIPE: badGatewayStatusCodes.BROKEN_PIPE, ETIMEDOUT: badGatewayStatusCodes.TIMEOUT, } as const; + +export const socksErrorMessageToStatusCode = (socksErrorMessage: string): typeof badGatewayStatusCodes[keyof typeof badGatewayStatusCodes] => { + switch (socksErrorMessage) { + case 'Proxy connection timed out': + return badGatewayStatusCodes.TIMEOUT; + case 'Socks5 Authentication failed': + return badGatewayStatusCodes.AUTH_FAILED; + default: + return badGatewayStatusCodes.GENERIC_ERROR; + }; +}; From 1ef5588965bd11d926ce9456612b2fa9b22c19c1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ji=C5=99=C3=AD=20Morav=C4=8D=C3=ADk?= Date: Sun, 23 Jun 2024 00:08:56 +0200 Subject: [PATCH 071/109] feat: add tests for socks, README improvements (#541) --- README.md | 3 +-- package.json | 3 ++- test/socks.js | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 76 insertions(+), 3 deletions(-) create mode 100644 test/socks.js diff --git a/README.md b/README.md index 8fcf0478..288770e8 100644 --- a/README.md +++ b/README.md @@ -16,8 +16,7 @@ The proxy-chain package is developed by [Apify](https://apify.com/), the full-st which provides an easy access to a large pool of datacenter and residential IP addresses all around the world. The proxy-chain package is also used by [Crawlee](https://crawlee.dev/), the world's most popular web craling library for Node.js. -Note that the proxy-chain package currently only supports HTTP forwarding and HTTP CONNECT tunneling to forward arbitrary protocols such as HTTPS or FTP ([learn more](https://blog.apify.com/tunneling-arbitrary-protocols-over-http-proxy-with-static-ip-address-b3a2222191ff)). The SOCKS protocol is not supported yet. -Also, proxy-chain only supports the Basic [Proxy-Authorization](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Proxy-Authorization). +The proxy-chain package currently supports HTTP/SOCKS forwarding and HTTP CONNECT tunneling to forward arbitrary protocols such as HTTPS or FTP ([learn more](https://blog.apify.com/tunneling-arbitrary-protocols-over-http-proxy-with-static-ip-address-b3a2222191ff)). The HTTP CONNECT tunneling also supports the SOCKS protocol. Also, proxy-chain only supports the Basic [Proxy-Authorization](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Proxy-Authorization). ## Run a simple HTTP/HTTPS proxy server diff --git a/package.json b/package.json index e7977d1d..8a9af319 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "2.5.0", + "version": "2.5.1", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "keywords": [ @@ -69,6 +69,7 @@ "rimraf": "^4.1.2", "sinon": "^13.0.2", "sinon-stub-promise": "^4.0.0", + "socksv5": "^0.0.6", "through": "^2.3.8", "ts-node": "^10.2.1", "typescript": "^4.4.3", diff --git a/test/socks.js b/test/socks.js new file mode 100644 index 00000000..f2ef988c --- /dev/null +++ b/test/socks.js @@ -0,0 +1,73 @@ +const portastic = require('portastic'); +const socksv5 = require('socksv5'); +const { gotScraping } = require('got-scraping'); +const { expect } = require('chai'); +const ProxyChain = require('../src/index'); + +describe('SOCKS protocol', () => { + let socksServer; + let proxyServer; + + afterEach(() => { + if (socksServer) socksServer.close(); + if (proxyServer) proxyServer.close(); + }); + + it('works without auth', (done) => { + portastic.find({ min: 50000, max: 50250 }).then((ports) => { + const [socksPort, proxyPort] = ports; + socksServer = socksv5.createServer((info, accept) => { + accept(); + }); + socksServer.listen(socksPort, 'localhost'); + socksServer.useAuth(socksv5.auth.None()); + + proxyServer = new ProxyChain.Server({ + port: proxyPort, + prepareRequestFunction() { + return { + upstreamProxyUrl: `socks://localhost:${socksPort}`, + }; + }, + }); + proxyServer.listen(); + + gotScraping.get({ url: 'https://example.com', proxyUrl: `http://127.0.0.1:${proxyPort}` }) + .then((response) => { + expect(response.body).to.contain('Example Domain'); + done(); + }) + .catch(done); + }); + }).timeout(5 * 1000); + + it('work with auth', (done) => { + portastic.find({ min: 50250, max: 50500 }).then((ports) => { + const [socksPort, proxyPort] = ports; + socksServer = socksv5.createServer((info, accept) => { + accept(); + }); + socksServer.listen(socksPort, 'localhost'); + socksServer.useAuth(socksv5.auth.UserPassword((user, password, cb) => { + cb(user === 'proxy-chain' && password === 'rules!'); + })); + + proxyServer = new ProxyChain.Server({ + port: proxyPort, + prepareRequestFunction() { + return { + upstreamProxyUrl: `socks://proxy-chain:rules!@localhost:${socksPort}`, + }; + }, + }); + proxyServer.listen(); + + gotScraping.get({ url: 'https://example.com', proxyUrl: `http://127.0.0.1:${proxyPort}` }) + .then((response) => { + expect(response.body).to.contain('Example Domain'); + done(); + }) + .catch(done); + }); + }).timeout(5 * 1000); +}); From a1ac3f287e895270f4e34306ac754a62a9848fa4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jan=20=C4=8Curn?= Date: Tue, 23 Jul 2024 08:42:23 +0200 Subject: [PATCH 072/109] Update README.md (#543) --- README.md | 5 ----- 1 file changed, 5 deletions(-) diff --git a/README.md b/README.md index 288770e8..77d3dae0 100644 --- a/README.md +++ b/README.md @@ -312,11 +312,6 @@ const exampleServer = https.createServer({ }); ``` -```diff --if (request.url.toLowerCase() === 'example.com:80') { -+if (request.url.toLowerCase() === 'example.com:443') { -``` - ## Closing the server To shut down the proxy server, call the `close([destroyConnections], [callback])` function. For example: From c46eafd9e9f7e7a71cb7e807db12ba70d0d997e7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ji=C5=99=C3=AD=20Morav=C4=8D=C3=ADk?= Date: Mon, 19 Aug 2024 10:56:03 +0200 Subject: [PATCH 073/109] fix: correctly validate protocols in anonymize_proxy (#545) This allows usage of SOCKS protocols with `anonymizeProxy`. --- package.json | 2 +- src/anonymize_proxy.ts | 9 ++++----- src/server.ts | 2 +- test/anonymize_proxy.js | 14 +------------- test/socks.js | 25 +++++++++++++++++++++++++ 5 files changed, 32 insertions(+), 20 deletions(-) diff --git a/package.json b/package.json index 8a9af319..1dbf15a7 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "2.5.1", + "version": "2.5.2", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "keywords": [ diff --git a/src/anonymize_proxy.ts b/src/anonymize_proxy.ts index 9771d211..0f5deff1 100644 --- a/src/anonymize_proxy.ts +++ b/src/anonymize_proxy.ts @@ -2,7 +2,7 @@ import net from 'net'; import http from 'http'; import { Buffer } from 'buffer'; import { URL } from 'url'; -import { Server } from './server'; +import { Server, SOCKS_PROTOCOLS } from './server'; import { nodeify } from './utils/nodeify'; // Dictionary, key is value returned from anonymizeProxy(), value is Server instance. @@ -38,10 +38,9 @@ export const anonymizeProxy = ( } const parsedProxyUrl = new URL(proxyUrl); - if (parsedProxyUrl.protocol !== 'http:') { - throw new Error( - 'Invalid "proxyUrl" option: only HTTP proxies are currently supported.', - ); + if (!['http:', ...SOCKS_PROTOCOLS].includes(parsedProxyUrl.protocol)) { + // eslint-disable-next-line max-len + throw new Error(`Invalid "proxyUrl" provided: URL must have one of the following protocols: "http", ${SOCKS_PROTOCOLS.map((p) => `"${p.replace(':', '')}"`).join(', ')} (was "${parsedProxyUrl}")`); } // If upstream proxy requires no password, return it directly diff --git a/src/server.ts b/src/server.ts index ddea7e8b..2590cd74 100644 --- a/src/server.ts +++ b/src/server.ts @@ -21,7 +21,7 @@ import { customConnect } from './custom_connect'; import { forwardSocks } from './forward_socks'; import { chainSocks } from './chain_socks'; -const SOCKS_PROTOCOLS = ['socks:', 'socks4:', 'socks4a:', 'socks5:', 'socks5h:']; +export const SOCKS_PROTOCOLS = ['socks:', 'socks4:', 'socks4a:', 'socks5:', 'socks5h:']; // TODO: // - Implement this requirement from rfc7230 diff --git a/test/anonymize_proxy.js b/test/anonymize_proxy.js index 16ebabc2..46d2e24f 100644 --- a/test/anonymize_proxy.js +++ b/test/anonymize_proxy.js @@ -114,19 +114,11 @@ describe('utils.anonymizeProxy', function () { assert.throws(() => { closeAnonymizedProxy(null); }, Error); }); - it('throws for unsupported proxy protocols', () => { - assert.throws(() => { anonymizeProxy('socks://whatever.com'); }, Error); + it('throws for unsupported https: protocol', () => { assert.throws(() => { anonymizeProxy('https://whatever.com'); }, Error); - assert.throws(() => { anonymizeProxy('socks5://whatever.com'); }, Error); - assert.throws(() => { - anonymizeProxy({ url: 'socks://whatever.com' }); - }, Error); assert.throws(() => { anonymizeProxy({ url: 'https://whatever.com' }); }, Error); - assert.throws(() => { - anonymizeProxy({ url: 'socks5://whatever.com' }); - }, Error); }); it('throws for invalid ports', () => { @@ -144,16 +136,12 @@ describe('utils.anonymizeProxy', function () { it('throws for invalid URLs', () => { assert.throws(() => { anonymizeProxy('://whatever.com'); }, Error); assert.throws(() => { anonymizeProxy('https://whatever.com'); }, Error); - assert.throws(() => { anonymizeProxy('socks5://whatever.com'); }, Error); assert.throws(() => { anonymizeProxy({ url: '://whatever.com' }); }, Error); assert.throws(() => { anonymizeProxy({ url: 'https://whatever.com' }); }, Error); - assert.throws(() => { - anonymizeProxy({ url: 'socks5://whatever.com' }); - }, Error); }); it('keeps already anonymous proxies (both with callbacks and promises)', () => { diff --git a/test/socks.js b/test/socks.js index f2ef988c..26ed1049 100644 --- a/test/socks.js +++ b/test/socks.js @@ -7,10 +7,12 @@ const ProxyChain = require('../src/index'); describe('SOCKS protocol', () => { let socksServer; let proxyServer; + let anonymizeProxyUrl; afterEach(() => { if (socksServer) socksServer.close(); if (proxyServer) proxyServer.close(); + if (anonymizeProxyUrl) ProxyChain.closeAnonymizedProxy(anonymizeProxyUrl, true); }); it('works without auth', (done) => { @@ -70,4 +72,27 @@ describe('SOCKS protocol', () => { .catch(done); }); }).timeout(5 * 1000); + + it('works with anonymizeProxy', (done) => { + portastic.find({ min: 50500, max: 50750 }).then((ports) => { + const [socksPort, proxyPort] = ports; + socksServer = socksv5.createServer((info, accept) => { + accept(); + }); + socksServer.listen(socksPort, 'localhost'); + socksServer.useAuth(socksv5.auth.UserPassword((user, password, cb) => { + cb(user === 'proxy-chain' && password === 'rules!'); + })); + + ProxyChain.anonymizeProxy({ port: proxyPort, url: `socks://proxy-chain:rules!@localhost:${socksPort}` }).then((anonymizedProxyUrl) => { + anonymizeProxyUrl = anonymizedProxyUrl; + gotScraping.get({ url: 'https://example.com', proxyUrl: anonymizedProxyUrl }) + .then((response) => { + expect(response.body).to.contain('Example Domain'); + done(); + }) + .catch(done); + }); + }); + }).timeout(5 * 1000); }); From b326f95855680cae28e80518a16662124e12c438 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ji=C5=99=C3=AD=20Morav=C4=8D=C3=ADk?= Date: Wed, 21 Aug 2024 15:48:10 +0200 Subject: [PATCH 074/109] fix: decode username and password for socks tunnel (#550) --- package.json | 2 +- src/chain_socks.ts | 4 ++-- test/socks.js | 8 ++++---- 3 files changed, 7 insertions(+), 7 deletions(-) diff --git a/package.json b/package.json index 1dbf15a7..ee47f92c 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "2.5.2", + "version": "2.5.3", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "keywords": [ diff --git a/src/chain_socks.ts b/src/chain_socks.ts index 0bd0c436..2fe8a528 100644 --- a/src/chain_socks.ts +++ b/src/chain_socks.ts @@ -50,8 +50,8 @@ export const chainSocks = async ({ host: hostname, port: Number(port), type: socksProtocolToVersionNumber(handlerOpts.upstreamProxyUrlParsed.protocol), - userId: username, - password, + userId: decodeURIComponent(username), + password: decodeURIComponent(password), }; if (head && head.length > 0) { diff --git a/test/socks.js b/test/socks.js index 26ed1049..831cfb0c 100644 --- a/test/socks.js +++ b/test/socks.js @@ -51,14 +51,14 @@ describe('SOCKS protocol', () => { }); socksServer.listen(socksPort, 'localhost'); socksServer.useAuth(socksv5.auth.UserPassword((user, password, cb) => { - cb(user === 'proxy-chain' && password === 'rules!'); + cb(user === 'proxy-ch@in' && password === 'rules!'); })); proxyServer = new ProxyChain.Server({ port: proxyPort, prepareRequestFunction() { return { - upstreamProxyUrl: `socks://proxy-chain:rules!@localhost:${socksPort}`, + upstreamProxyUrl: `socks://proxy-ch@in:rules!@localhost:${socksPort}`, }; }, }); @@ -81,10 +81,10 @@ describe('SOCKS protocol', () => { }); socksServer.listen(socksPort, 'localhost'); socksServer.useAuth(socksv5.auth.UserPassword((user, password, cb) => { - cb(user === 'proxy-chain' && password === 'rules!'); + cb(user === 'proxy-ch@in' && password === 'rules!'); })); - ProxyChain.anonymizeProxy({ port: proxyPort, url: `socks://proxy-chain:rules!@localhost:${socksPort}` }).then((anonymizedProxyUrl) => { + ProxyChain.anonymizeProxy({ port: proxyPort, url: `socks://proxy-ch@in:rules!@localhost:${socksPort}` }).then((anonymizedProxyUrl) => { anonymizeProxyUrl = anonymizedProxyUrl; gotScraping.get({ url: 'https://example.com', proxyUrl: anonymizedProxyUrl }) .then((response) => { From 1bf780976864f0040d2c82a73e86f1829de57d5b Mon Sep 17 00:00:00 2001 From: Peng-Yu Chen Date: Mon, 2 Sep 2024 09:49:50 +0100 Subject: [PATCH 075/109] chore: minor test enhancements (#551) --- test/README.md | 7 ++++++- test/server.js | 7 ++++++- 2 files changed, 12 insertions(+), 2 deletions(-) diff --git a/test/README.md b/test/README.md index 198503bb..a5284949 100644 --- a/test/README.md +++ b/test/README.md @@ -3,7 +3,12 @@ To run the tests, you need to add the following line to your `/etc/hosts`: ``` # Used by proxy-chain NPM package tests +127.0.0.1 localhost 127.0.0.1 localhost-test ``` -This is a workaround to PhantomJS' behavior where it skips proxy servers for localhost addresses. \ No newline at end of file +The `localhost` entry is for avoiding dual-stack issues, e.g. when the test server listens at ::1 +(results of getaddrinfo have specifed order) and the client attempts to connect to 127.0.0.1 . + +The `localhost-test` entry is a workaround to PhantomJS' behavior where it skips proxy servers for +localhost addresses. diff --git a/test/server.js b/test/server.js index a3d4fb8c..534f5c8c 100644 --- a/test/server.js +++ b/test/server.js @@ -855,7 +855,12 @@ const createTestSuite = ({ // For SSL, we need to return curl's stderr to check what kind of error was there const output = await curlGet(curlUrl, `http://bad:password@127.0.0.1:${mainProxyServerPort}`, !useSsl); if (useSsl) { - expect(output).to.contain('Received HTTP code 407 from proxy after CONNECT'); + expect(output).to.contain.oneOf([ + // Old error message before dafdb20a26d0c890e83dea61a104b75408481ebd + 'Received HTTP code 407 from proxy after CONNECT', + // and that after + 'CONNECT tunnel failed, response 407', + ]); } else { expect(output).to.contain('Proxy credentials required'); } From 544e17031790c34fe47c5a53cde6b6a5800e4bc2 Mon Sep 17 00:00:00 2001 From: Marc Plouhinec Date: Tue, 15 Oct 2024 18:11:21 +0800 Subject: [PATCH 076/109] fix: allow stats collection when calling server.closeConnections() (#556) --- src/server.ts | 2 -- 1 file changed, 2 deletions(-) diff --git a/src/server.ts b/src/server.ts index 2590cd74..fc2f9c89 100644 --- a/src/server.ts +++ b/src/server.ts @@ -633,8 +633,6 @@ export class Server extends EventEmitter { socket.destroy(); } - this.connections.clear(); - this.log(null, `Destroyed ${this.connections.size} pending sockets`); } From 67f961d5881f23dacba01e51872eef76c94375ab Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ji=C5=99=C3=AD=20Morav=C4=8D=C3=ADk?= Date: Tue, 15 Oct 2024 17:46:52 +0200 Subject: [PATCH 077/109] chore: bump package version (#557) --- package.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package.json b/package.json index ee47f92c..5efdce58 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "2.5.3", + "version": "2.5.4", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "keywords": [ From aa1981b974819875c28e6635ef551610bd07892e Mon Sep 17 00:00:00 2001 From: arno renevier Date: Sat, 16 Nov 2024 06:49:41 -0800 Subject: [PATCH 078/109] fix: close targetSocket when proxy replies with non-200 status (#561) Fixes issue #560 --- src/chain.ts | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/chain.ts b/src/chain.ts index f5370355..14ce2b3c 100644 --- a/src/chain.ts +++ b/src/chain.ts @@ -117,6 +117,8 @@ export const chain = ( sourceSocket.end(createCustomStatusHttpResponse(status, `UPSTREAM${statusCode}`)); } + targetSocket.end(); + server.emit('tunnelConnectFailed', { proxyChainId, response, From 84ef1c85598420c4c389c2d218e6766ce32cd885 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ji=C5=99=C3=AD=20Morav=C4=8D=C3=ADk?= Date: Sat, 16 Nov 2024 22:38:08 +0100 Subject: [PATCH 079/109] chore: bump package version (#562) --- package.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package.json b/package.json index 5efdce58..1d9edf80 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "2.5.4", + "version": "2.5.5", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "keywords": [ From be4bf40ae45366072d84c9dc6fe3c5c52a5c89dc Mon Sep 17 00:00:00 2001 From: arno renevier Date: Mon, 2 Dec 2024 10:57:55 -0800 Subject: [PATCH 080/109] https support for proxy relay (#564) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fix for issue #563 --------- Co-authored-by: Jiří Moravčík --- src/chain.ts | 4 +++- src/server.ts | 4 ++-- test/server.js | 40 ++++++++++++++++++++++++++++++++++++++++ 3 files changed, 45 insertions(+), 3 deletions(-) diff --git a/src/chain.ts b/src/chain.ts index 14ce2b3c..73c661ef 100644 --- a/src/chain.ts +++ b/src/chain.ts @@ -1,4 +1,5 @@ import http from 'http'; +import https from 'https'; import dns from 'dns'; import { URL } from 'url'; import { EventEmitter } from 'events'; @@ -80,7 +81,8 @@ export const chain = ( options.headers.push('proxy-authorization', getBasicAuthorizationHeader(proxy)); } - const client = http.request(proxy.origin, options as unknown as http.ClientRequestArgs); + const fn = proxy.protocol === 'https:' ? https.request : http.request; + const client = fn(proxy.origin, options as unknown as http.ClientRequestArgs); client.on('connect', (response, targetSocket, clientHead) => { countTargetBytes(sourceSocket, targetSocket); diff --git a/src/server.ts b/src/server.ts index fc2f9c89..4b4a8fdb 100644 --- a/src/server.ts +++ b/src/server.ts @@ -453,9 +453,9 @@ export class Server extends EventEmitter { throw new Error(`Invalid "upstreamProxyUrl" provided: ${error} (was "${funcResult.upstreamProxyUrl}"`); } - if (!['http:', ...SOCKS_PROTOCOLS].includes(handlerOpts.upstreamProxyUrlParsed.protocol)) { + if (!['http:', 'https:', ...SOCKS_PROTOCOLS].includes(handlerOpts.upstreamProxyUrlParsed.protocol)) { // eslint-disable-next-line max-len - throw new Error(`Invalid "upstreamProxyUrl" provided: URL must have one of the following protocols: "http", ${SOCKS_PROTOCOLS.map((p) => `"${p.replace(':', '')}"`).join(', ')} (was "${funcResult.upstreamProxyUrl}")`); + throw new Error(`Invalid "upstreamProxyUrl" provided: URL must have one of the following protocols: "http", "https", ${SOCKS_PROTOCOLS.map((p) => `"${p.replace(':', '')}"`).join(', ')} (was "${funcResult.upstreamProxyUrl}")`); } } diff --git a/test/server.js b/test/server.js index 534f5c8c..9086b437 100644 --- a/test/server.js +++ b/test/server.js @@ -9,6 +9,7 @@ const util = require('util'); const { expect, assert } = require('chai'); const proxy = require('proxy'); const http = require('http'); +const https = require('https'); const portastic = require('portastic'); const request = require('request'); const WebSocket = require('faye-websocket'); @@ -1337,6 +1338,45 @@ it('supports localAddress', async () => { } }); +it('supports https proxy relay', async () => { + const target = https.createServer(() => { + }); + target.listen(() => { + }); + + const proxyServer = new ProxyChain.Server({ + port: 6666, + prepareRequestFunction: () => { + console.log(`https://localhost:${target.address().port}`); + return { + upstreamProxyUrl: `https://localhost:${target.address().port}`, + }; + }, + }); + let proxyServerError = false; + proxyServer.on('requestFailed', () => { + // requestFailed will be called if we pass an invalid proxy url + proxyServerError = true; + }) + + await proxyServer.listen(); + + try { + await requestPromised({ + url: 'https://www.google.com', + proxy: 'http://localhost:6666', + strictSSL: false, + }); + } catch (e) { + // the request will fail with the following error: + // Error: tunneling socket could not be established, statusCode=599 + } + expect(proxyServerError).to.be.equal(false); + + proxyServer.close(); + target.close(); +}); + it('supports custom CONNECT server handler', async () => { const server = new Server({ port: 0, From 237b7491302f68e886cad81ab7cc78f9d7bafffb Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ji=C5=99=C3=AD=20Morav=C4=8D=C3=ADk?= Date: Mon, 2 Dec 2024 22:05:22 +0100 Subject: [PATCH 081/109] chore: bump package version (#566) --- package.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package.json b/package.json index 1d9edf80..36ba9664 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "2.5.5", + "version": "2.5.6", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "keywords": [ From 4c1fee547a08fd41ec44da7f5ed227682e832184 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ji=C5=99=C3=AD=20Morav=C4=8D=C3=ADk?= Date: Wed, 15 Jan 2025 17:38:05 +0100 Subject: [PATCH 082/109] chore: update eslint to v9, use new shared config (#568) --- .eslintrc.json | 18 ------- .github/workflows/check.yaml | 18 +++---- .github/workflows/release.yaml | 24 ++++----- eslint.config.mjs | 20 ++++++++ package.json | 11 ++--- src/anonymize_proxy.ts | 16 +++--- src/chain.ts | 13 ++--- src/chain_socks.ts | 16 +++--- src/custom_connect.ts | 2 +- src/custom_response.ts | 2 +- src/direct.ts | 9 ++-- src/forward.ts | 11 +++-- src/forward_socks.ts | 10 ++-- src/server.ts | 67 +++++++++++++++----------- src/statuses.ts | 2 +- src/tcp_tunnel_tools.ts | 28 +++++++---- src/utils/count_target_bytes.ts | 5 +- src/utils/decode_uri_component_safe.ts | 2 +- src/utils/get_basic.ts | 3 +- src/utils/nodeify.ts | 4 +- src/utils/normalize_url_port.ts | 2 +- src/utils/valid_headers_only.ts | 6 +-- test/anonymize_proxy.js | 41 +++++++--------- test/tcp_tunnel.js | 17 ++++--- test/utils/throws_async.js | 25 ++++++++++ 25 files changed, 208 insertions(+), 164 deletions(-) delete mode 100644 .eslintrc.json create mode 100644 eslint.config.mjs create mode 100644 test/utils/throws_async.js diff --git a/.eslintrc.json b/.eslintrc.json deleted file mode 100644 index 229cd6ae..00000000 --- a/.eslintrc.json +++ /dev/null @@ -1,18 +0,0 @@ -{ - "extends": [ - "@apify/ts" - ], - "parserOptions": { - "project": "tsconfig.eslint.json" - }, - "overrides": [ - { - "files": [ - "test/**/*.js" - ], - "env": { - "jest": true - } - } - ] - } diff --git a/.github/workflows/check.yaml b/.github/workflows/check.yaml index 71172878..854289cc 100644 --- a/.github/workflows/check.yaml +++ b/.github/workflows/check.yaml @@ -14,8 +14,8 @@ jobs: strategy: matrix: - os: [ubuntu-latest] # add windows-latest later - node-version: [14, 16] + os: [ubuntu-22.04] # add windows-latest later + node-version: [14, 16, 18] steps: - @@ -27,19 +27,19 @@ jobs: node-version: ${{ matrix.node-version }} - name: Cache Node Modules - if: ${{ matrix.node-version == 16 }} + if: ${{ matrix.node-version == 18 }} uses: actions/cache@v2 with: path: | node_modules build - key: cache-${{ github.run_id }}-v16 + key: cache-${{ github.run_id }}-v18 - name: Install Dependencies run: npm install - name: Add localhost-test to Linux hosts file - if: ${{ matrix.os == 'ubuntu-latest' }} + if: ${{ matrix.os == 'ubuntu-22.04' }} run: sudo echo "127.0.0.1 localhost-test" | sudo tee -a /etc/hosts # - # name: Add localhost-test to Windows hosts file @@ -52,16 +52,16 @@ jobs: lint: name: Lint needs: [build_and_test] - runs-on: ubuntu-latest + runs-on: ubuntu-22.04 steps: - uses: actions/checkout@v2 - - name: Use Node.js 16 + name: Use Node.js 18 uses: actions/setup-node@v1 with: - node-version: 16 + node-version: 18 - name: Load Cache uses: actions/cache@v2 @@ -69,6 +69,6 @@ jobs: path: | node_modules build - key: cache-${{ github.run_id }}-v16 + key: cache-${{ github.run_id }}-v18 - run: npm run lint diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml index 9e511a89..7c873eae 100644 --- a/.github/workflows/release.yaml +++ b/.github/workflows/release.yaml @@ -18,8 +18,8 @@ jobs: strategy: matrix: - os: [ubuntu-latest] # add windows-latest later - node-version: [14, 16] + os: [ubuntu-22.04] # add windows-latest later + node-version: [14, 16, 18] steps: - @@ -31,18 +31,18 @@ jobs: node-version: ${{ matrix.node-version }} - name: Cache Node Modules - if: ${{ matrix.node-version == 16 }} + if: ${{ matrix.node-version == 18 }} uses: actions/cache@v2 with: path: | node_modules build - key: cache-${{ github.run_id }}-v16 + key: cache-${{ github.run_id }}-v18 - name: Install Dependencies run: npm install - name: Add localhost-test to Linux hosts file - if: ${{ matrix.os == 'ubuntu-latest' }} + if: ${{ matrix.os == 'ubuntu-22.04' }} run: sudo echo "127.0.0.1 localhost-test" | sudo tee -a /etc/hosts # - # name: Add localhost-test to Windows hosts file @@ -55,16 +55,16 @@ jobs: lint: name: Lint needs: [build_and_test] - runs-on: ubuntu-latest + runs-on: ubuntu-22.04 steps: - uses: actions/checkout@v2 - - name: Use Node.js 16 + name: Use Node.js 18 uses: actions/setup-node@v1 with: - node-version: 16 + node-version: 18 - name: Load Cache uses: actions/cache@v2 @@ -72,7 +72,7 @@ jobs: path: | node_modules build - key: cache-${{ github.run_id }}-v16 + key: cache-${{ github.run_id }}-v18 - run: npm run lint @@ -82,14 +82,14 @@ jobs: deploy: name: Publish to NPM needs: [lint] - runs-on: ubuntu-latest + runs-on: ubuntu-22.04 steps: - uses: actions/checkout@v2 - uses: actions/setup-node@v1 with: - node-version: 16 + node-version: 18 registry-url: https://registry.npmjs.org/ - name: Load Cache @@ -98,7 +98,7 @@ jobs: path: | node_modules build - key: cache-${{ github.run_id }}-v16 + key: cache-${{ github.run_id }}-v18 - # Determine if this is a beta or latest release name: Set Release Tag diff --git a/eslint.config.mjs b/eslint.config.mjs new file mode 100644 index 00000000..756ebcfa --- /dev/null +++ b/eslint.config.mjs @@ -0,0 +1,20 @@ +import apify from '@apify/eslint-config'; + +// eslint-disable-next-line import/no-default-export +export default [ + { ignores: ['**/dist'] }, // Ignores need to happen first + ...apify, + { + languageOptions: { + sourceType: 'module', + + parserOptions: { + project: 'tsconfig.eslint.json', + }, + }, + rules: { + 'no-param-reassign': 'off', + 'import/extensions': 'off', + }, + }, +]; diff --git a/package.json b/package.json index 36ba9664..dbab3f1a 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "2.5.6", + "version": "2.5.7", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "keywords": [ @@ -38,24 +38,22 @@ "local-proxy": "node ./dist/run_locally.js", "test": "nyc cross-env NODE_OPTIONS=--insecure-http-parser mocha --bail", "lint": "eslint src", - "lint-fix": "eslint src --fix" + "lint:fix": "eslint src --fix" }, "engines": { "node": ">=14" }, "devDependencies": { - "@apify/eslint-config-ts": "^0.2.3", + "@apify/eslint-config": "^0.5.0-beta.2", "@apify/tsconfig": "^0.1.0", "@types/jest": "^28.1.2", "@types/node": "^18.8.3", - "@typescript-eslint/eslint-plugin": "5.29.0", - "@typescript-eslint/parser": "5.29.0", "basic-auth": "^2.0.1", "basic-auth-parser": "^0.0.2", "body-parser": "^1.19.0", "chai": "^4.3.4", "cross-env": "^7.0.3", - "eslint": "^8.10.0", + "eslint": "^9.18.0", "express": "^4.17.1", "faye-websocket": "^0.11.4", "got-scraping": "^3.2.4-beta.0", @@ -73,6 +71,7 @@ "through": "^2.3.8", "ts-node": "^10.2.1", "typescript": "^4.4.3", + "typescript-eslint": "^8.20.0", "underscore": "^1.13.1", "ws": "^8.2.2" }, diff --git a/src/anonymize_proxy.ts b/src/anonymize_proxy.ts index 0f5deff1..d862c578 100644 --- a/src/anonymize_proxy.ts +++ b/src/anonymize_proxy.ts @@ -1,7 +1,8 @@ -import net from 'net'; -import http from 'http'; -import { Buffer } from 'buffer'; +import type { Buffer } from 'buffer'; +import type http from 'http'; +import type net from 'net'; import { URL } from 'url'; + import { Server, SOCKS_PROTOCOLS } from './server'; import { nodeify } from './utils/nodeify'; @@ -17,7 +18,7 @@ export interface AnonymizeProxyOptions { * Parses and validates a HTTP proxy URL. If the proxy requires authentication, then the function * starts an open local proxy server that forwards to the upstream proxy. */ -export const anonymizeProxy = ( +export const anonymizeProxy = async ( options: string | AnonymizeProxyOptions, callback?: (error: Error | null) => void, ): Promise => { @@ -39,7 +40,6 @@ export const anonymizeProxy = ( const parsedProxyUrl = new URL(proxyUrl); if (!['http:', ...SOCKS_PROTOCOLS].includes(parsedProxyUrl.protocol)) { - // eslint-disable-next-line max-len throw new Error(`Invalid "proxyUrl" provided: URL must have one of the following protocols: "http", ${SOCKS_PROTOCOLS.map((p) => `"${p.replace(':', '')}"`).join(', ')} (was "${parsedProxyUrl}")`); } @@ -50,8 +50,8 @@ export const anonymizeProxy = ( let server: Server & { port: number }; - const startServer = () => { - return Promise.resolve().then(() => { + const startServer = async () => { + return Promise.resolve().then(async () => { server = new Server({ // verbose: true, port, @@ -83,7 +83,7 @@ export const anonymizeProxy = ( * and its result if `false`. Otherwise the result is `true`. * @param closeConnections If true, pending proxy connections are forcibly closed. */ -export const closeAnonymizedProxy = ( +export const closeAnonymizedProxy = async ( anonymizedProxyUrl: string, closeConnections: boolean, callback?: (error: Error | null, result?: boolean) => void, diff --git a/src/chain.ts b/src/chain.ts index 73c661ef..c3ed6cb5 100644 --- a/src/chain.ts +++ b/src/chain.ts @@ -1,13 +1,14 @@ +import type { Buffer } from 'buffer'; +import type dns from 'dns'; +import type { EventEmitter } from 'events'; import http from 'http'; import https from 'https'; -import dns from 'dns'; -import { URL } from 'url'; -import { EventEmitter } from 'events'; -import { Buffer } from 'buffer'; +import type { URL } from 'url'; + +import type { Socket } from './socket'; +import { badGatewayStatusCodes, createCustomStatusHttpResponse, errorCodeToStatusCode } from './statuses'; import { countTargetBytes } from './utils/count_target_bytes'; import { getBasicAuthorizationHeader } from './utils/get_basic'; -import { Socket } from './socket'; -import { badGatewayStatusCodes, createCustomStatusHttpResponse, errorCodeToStatusCode } from './statuses'; interface Options { method: string; diff --git a/src/chain_socks.ts b/src/chain_socks.ts index 2fe8a528..3f47f74f 100644 --- a/src/chain_socks.ts +++ b/src/chain_socks.ts @@ -1,12 +1,14 @@ -import http from 'http'; -import net from 'net'; -import { Buffer } from 'buffer'; +import type { Buffer } from 'buffer'; +import type { EventEmitter } from 'events'; +import type http from 'http'; +import type net from 'net'; import { URL } from 'url'; -import { EventEmitter } from 'events'; -import { SocksClient, SocksClientError, type SocksProxy } from 'socks'; -import { countTargetBytes } from './utils/count_target_bytes'; -import { Socket } from './socket'; + +import { type SocksClientError, SocksClient, type SocksProxy } from 'socks'; + +import type { Socket } from './socket'; import { createCustomStatusHttpResponse, socksErrorMessageToStatusCode } from './statuses'; +import { countTargetBytes } from './utils/count_target_bytes'; export interface HandlerOpts { upstreamProxyUrlParsed: URL; diff --git a/src/custom_connect.ts b/src/custom_connect.ts index 7f2e3387..3b3ad2dd 100644 --- a/src/custom_connect.ts +++ b/src/custom_connect.ts @@ -1,5 +1,5 @@ -import net from 'net'; import type http from 'http'; +import type net from 'net'; import { promisify } from 'util'; export const customConnect = async (socket: net.Socket, server: http.Server): Promise => { diff --git a/src/custom_response.ts b/src/custom_response.ts index 149579f1..5c3c0c97 100644 --- a/src/custom_response.ts +++ b/src/custom_response.ts @@ -1,5 +1,5 @@ -import type http from 'http'; import type { Buffer } from 'buffer'; +import type http from 'http'; export interface CustomResponse { statusCode?: number; diff --git a/src/direct.ts b/src/direct.ts index c1c867c6..2c42f231 100644 --- a/src/direct.ts +++ b/src/direct.ts @@ -1,10 +1,11 @@ +import type { Buffer } from 'buffer'; +import type dns from 'dns'; +import type { EventEmitter } from 'events'; import net from 'net'; -import dns from 'dns'; -import { Buffer } from 'buffer'; import { URL } from 'url'; -import { EventEmitter } from 'events'; + +import type { Socket } from './socket'; import { countTargetBytes } from './utils/count_target_bytes'; -import { Socket } from './socket'; export interface HandlerOpts { localAddress?: string; diff --git a/src/forward.ts b/src/forward.ts index 83f481fe..f49a56ef 100644 --- a/src/forward.ts +++ b/src/forward.ts @@ -1,13 +1,14 @@ -import dns from 'dns'; +import type dns from 'dns'; import http from 'http'; import https from 'https'; import stream from 'stream'; +import type { URL } from 'url'; import util from 'util'; -import { URL } from 'url'; -import { validHeadersOnly } from './utils/valid_headers_only'; -import { getBasicAuthorizationHeader } from './utils/get_basic'; -import { countTargetBytes } from './utils/count_target_bytes'; + import { badGatewayStatusCodes, errorCodeToStatusCode } from './statuses'; +import { countTargetBytes } from './utils/count_target_bytes'; +import { getBasicAuthorizationHeader } from './utils/get_basic'; +import { validHeadersOnly } from './utils/valid_headers_only'; const pipeline = util.promisify(stream.pipeline); diff --git a/src/forward_socks.ts b/src/forward_socks.ts index 66d6ab1f..75672941 100644 --- a/src/forward_socks.ts +++ b/src/forward_socks.ts @@ -1,11 +1,13 @@ import http from 'http'; import stream from 'stream'; +import type { URL } from 'url'; import util from 'util'; -import { URL } from 'url'; + import { SocksProxyAgent } from 'socks-proxy-agent'; -import { validHeadersOnly } from './utils/valid_headers_only'; -import { countTargetBytes } from './utils/count_target_bytes'; + import { badGatewayStatusCodes, errorCodeToStatusCode } from './statuses'; +import { countTargetBytes } from './utils/count_target_bytes'; +import { validHeadersOnly } from './utils/valid_headers_only'; const pipeline = util.promisify(stream.pipeline); @@ -74,7 +76,7 @@ export const forwardSocks = async ( ); resolve(); - } catch (error) { + } catch { // Client error, pipeline already destroys the streams, ignore. resolve(); } diff --git a/src/server.ts b/src/server.ts index 4b4a8fdb..90abcd6f 100644 --- a/src/server.ts +++ b/src/server.ts @@ -1,25 +1,30 @@ -import net from 'net'; -import dns from 'dns'; +/* eslint-disable no-use-before-define */ +import { Buffer } from 'buffer'; +import type dns from 'dns'; +import { EventEmitter } from 'events'; import http from 'http'; -import util from 'util'; +import type net from 'net'; import { URL } from 'url'; -import { EventEmitter } from 'events'; -import { Buffer } from 'buffer'; -import { parseAuthorizationHeader } from './utils/parse_authorization_header'; -import { redactUrl } from './utils/redact_url'; -import { nodeify } from './utils/nodeify'; -import { getTargetStats } from './utils/count_target_bytes'; -import { RequestError } from './request_error'; -import { chain, HandlerOpts as ChainOpts } from './chain'; -import { forward, HandlerOpts as ForwardOpts } from './forward'; -import { direct } from './direct'; -import { handleCustomResponse, HandlerOpts as CustomResponseOpts } from './custom_response'; -import { Socket } from './socket'; -import { normalizeUrlPort } from './utils/normalize_url_port'; -import { badGatewayStatusCodes } from './statuses'; +import util from 'util'; + +import type { HandlerOpts as ChainOpts } from './chain'; +import { chain } from './chain'; +import { chainSocks } from './chain_socks'; import { customConnect } from './custom_connect'; +import type { HandlerOpts as CustomResponseOpts } from './custom_response'; +import { handleCustomResponse } from './custom_response'; +import { direct } from './direct'; +import type { HandlerOpts as ForwardOpts } from './forward'; +import { forward } from './forward'; import { forwardSocks } from './forward_socks'; -import { chainSocks } from './chain_socks'; +import { RequestError } from './request_error'; +import type { Socket } from './socket'; +import { badGatewayStatusCodes } from './statuses'; +import { getTargetStats } from './utils/count_target_bytes'; +import { nodeify } from './utils/nodeify'; +import { normalizeUrlPort } from './utils/normalize_url_port'; +import { parseAuthorizationHeader } from './utils/parse_authorization_header'; +import { redactUrl } from './utils/redact_url'; export const SOCKS_PROTOCOLS = ['socks:', 'socks4:', 'socks4a:', 'socks5:', 'socks5h:']; @@ -270,16 +275,18 @@ export class Server extends EventEmitter { if (handlerOpts.customResponseFunction) { this.log(proxyChainId, 'Using handleCustomResponse()'); - return await handleCustomResponse(request, response, handlerOpts as CustomResponseOpts); + await handleCustomResponse(request, response, handlerOpts as CustomResponseOpts); + return; } if (handlerOpts.upstreamProxyUrlParsed && SOCKS_PROTOCOLS.includes(handlerOpts.upstreamProxyUrlParsed.protocol)) { this.log(proxyChainId, 'Using forwardSocks()'); - return await forwardSocks(request, response, handlerOpts as ForwardOpts); + await forwardSocks(request, response, handlerOpts as ForwardOpts); + return; } this.log(proxyChainId, 'Using forward()'); - return await forward(request, response, handlerOpts as ForwardOpts); + await forward(request, response, handlerOpts as ForwardOpts); } catch (error) { this.failRequest(request, this.normalizeHandlerError(error as NodeJS.ErrnoException)); } @@ -300,20 +307,23 @@ export class Server extends EventEmitter { if (handlerOpts.customConnectServer) { socket.unshift(head); // See chain.ts for why we do this - return await customConnect(socket, handlerOpts.customConnectServer); + await customConnect(socket, handlerOpts.customConnectServer); + return; } if (handlerOpts.upstreamProxyUrlParsed) { if (SOCKS_PROTOCOLS.includes(handlerOpts.upstreamProxyUrlParsed.protocol)) { this.log(socket.proxyChainId, `Using chainSocks() => ${request.url}`); - return await chainSocks(data); + await chainSocks(data); + return; } this.log(socket.proxyChainId, `Using chain() => ${request.url}`); - return await chain(data); + chain(data); + return; } this.log(socket.proxyChainId, `Using direct() => ${request.url}`); - return await direct(data); + direct(data); } catch (error) { this.failRequest(request, this.normalizeHandlerError(error as NodeJS.ErrnoException)); } @@ -363,7 +373,7 @@ export class Server extends EventEmitter { let parsed; try { parsed = new URL(request.url!); - } catch (error) { + } catch { // If URL is invalid, throw HTTP 400 error throw new RequestError(`Target "${request.url}" could not be parsed`, 400); } @@ -454,7 +464,6 @@ export class Server extends EventEmitter { } if (!['http:', 'https:', ...SOCKS_PROTOCOLS].includes(handlerOpts.upstreamProxyUrlParsed.protocol)) { - // eslint-disable-next-line max-len throw new Error(`Invalid "upstreamProxyUrl" provided: URL must have one of the following protocols: "http", "https", ${SOCKS_PROTOCOLS.map((p) => `"${p.replace(':', '')}"`).join(', ')} (was "${funcResult.upstreamProxyUrl}")`); } } @@ -555,7 +564,7 @@ export class Server extends EventEmitter { /** * Starts listening at a port specified in the constructor. */ - listen(callback?: (error: NodeJS.ErrnoException | null) => void): Promise { + async listen(callback?: (error: NodeJS.ErrnoException | null) => void): Promise { const promise = new Promise((resolve, reject) => { // Unfortunately server.listen() is not a normal function that fails on error, // so we need this trickery @@ -640,7 +649,7 @@ export class Server extends EventEmitter { * Closes the proxy server. * @param closeConnections If true, pending proxy connections are forcibly closed. */ - close(closeConnections: boolean, callback?: (error: NodeJS.ErrnoException | null) => void): Promise { + async close(closeConnections: boolean, callback?: (error: NodeJS.ErrnoException | null) => void): Promise { if (typeof closeConnections === 'function') { callback = closeConnections; closeConnections = false; diff --git a/src/statuses.ts b/src/statuses.ts index cd7c0fa2..4c0a3bee 100644 --- a/src/statuses.ts +++ b/src/statuses.ts @@ -78,5 +78,5 @@ export const socksErrorMessageToStatusCode = (socksErrorMessage: string): typeof return badGatewayStatusCodes.AUTH_FAILED; default: return badGatewayStatusCodes.GENERIC_ERROR; - }; + } }; diff --git a/src/tcp_tunnel_tools.ts b/src/tcp_tunnel_tools.ts index 25e36915..c6b43e0c 100644 --- a/src/tcp_tunnel_tools.ts +++ b/src/tcp_tunnel_tools.ts @@ -1,5 +1,6 @@ -import { URL } from 'url'; import net from 'net'; +import { URL } from 'url'; + import { chain } from './chain'; import { nodeify } from './utils/nodeify'; @@ -15,7 +16,7 @@ const getAddress = (server: net.Server) => { return `${host}:${port}`; }; -export function createTunnel( +export async function createTunnel( proxyUrl: string, targetHost: string, options: { @@ -40,13 +41,13 @@ export function createTunnel( const verbose = options && options.verbose; - const server = net.createServer(); + const server: net.Server & { log?: (...args: unknown[]) => void } = net.createServer(); const log = (...args: unknown[]): void => { if (verbose) console.log(...args); }; - (server as any).log = log; + server.log = log; server.on('connection', (sourceSocket) => { const remoteAddress = `${sourceSocket.remoteAddress}:${sourceSocket.remotePort}`; @@ -91,7 +92,7 @@ export function createTunnel( return nodeify(promise, callback); } -export function closeTunnel( +export async function closeTunnel( serverPath: string, closeConnections: boolean | undefined, callback: (error: Error | null, result?: boolean) => void, @@ -101,15 +102,24 @@ export function closeTunnel( if (!port) throw new Error('serverPath must contain port'); const promise = new Promise((resolve) => { - if (!runningServers[serverPath]) return resolve(false); - if (!closeConnections) return resolve(true); + if (!runningServers[serverPath]) { + resolve(false); + return; + } + if (!closeConnections) { + resolve(true); + return; + } for (const connection of runningServers[serverPath].connections) { connection.destroy(); } resolve(true); }) - .then((serverExists) => new Promise((resolve) => { - if (!serverExists) return resolve(false); + .then(async (serverExists) => new Promise((resolve) => { + if (!serverExists) { + resolve(false); + return; + } runningServers[serverPath].server.close(() => { delete runningServers[serverPath]; resolve(true); diff --git a/src/utils/count_target_bytes.ts b/src/utils/count_target_bytes.ts index fc6544bb..5a035115 100644 --- a/src/utils/count_target_bytes.ts +++ b/src/utils/count_target_bytes.ts @@ -1,4 +1,4 @@ -import net from 'net'; +import type net from 'net'; const targetBytesWritten = Symbol('targetBytesWritten'); const targetBytesRead = Symbol('targetBytesRead'); @@ -15,8 +15,7 @@ interface Extras { } // @ts-expect-error TS is not aware that `source` is used in the assertion. -// eslint-disable-next-line @typescript-eslint/no-empty-function -function typeSocket(source: unknown): asserts source is net.Socket & Extras {}; +function typeSocket(source: unknown): asserts source is net.Socket & Extras {} export const countTargetBytes = (source: net.Socket, target: net.Socket): void => { typeSocket(source); diff --git a/src/utils/decode_uri_component_safe.ts b/src/utils/decode_uri_component_safe.ts index c8eb234f..b7734de0 100644 --- a/src/utils/decode_uri_component_safe.ts +++ b/src/utils/decode_uri_component_safe.ts @@ -1,7 +1,7 @@ export const decodeURIComponentSafe = (encodedURIComponent: string): string => { try { return decodeURIComponent(encodedURIComponent); - } catch (e) { + } catch { return encodedURIComponent; } }; diff --git a/src/utils/get_basic.ts b/src/utils/get_basic.ts index da85b288..898c10a8 100644 --- a/src/utils/get_basic.ts +++ b/src/utils/get_basic.ts @@ -1,4 +1,5 @@ -import { URL } from 'url'; +import type { URL } from 'url'; + import { decodeURIComponentSafe } from './decode_uri_component_safe'; export const getBasicAuthorizationHeader = (url: URL): string => { diff --git a/src/utils/nodeify.ts b/src/utils/nodeify.ts index 284c56d0..378124b8 100644 --- a/src/utils/nodeify.ts +++ b/src/utils/nodeify.ts @@ -1,10 +1,10 @@ // Replacement for Bluebird's Promise.nodeify() -export const nodeify = (promise: Promise, callback?: (error: Error | null, result?: T) => void): Promise => { +export const nodeify = async (promise: Promise, callback?: (error: Error | null, result?: T) => void): Promise => { if (typeof callback !== 'function') return promise; promise.then( (result) => callback(null, result), - callback as any, + callback, ).catch((error) => { // Need to .catch because it doesn't crash the process on Node.js 14 process.nextTick(() => { diff --git a/src/utils/normalize_url_port.ts b/src/utils/normalize_url_port.ts index a8ed0df0..df6e6e4a 100644 --- a/src/utils/normalize_url_port.ts +++ b/src/utils/normalize_url_port.ts @@ -14,7 +14,7 @@ export const normalizeUrlPort = (url: URL): number => { return Number(url.port); } - if (mapping.hasOwnProperty(url.protocol)) { + if (url.protocol in mapping) { return mapping[url.protocol as keyof typeof mapping]; } diff --git a/src/utils/valid_headers_only.ts b/src/utils/valid_headers_only.ts index ee84ec46..aa6ec7ed 100644 --- a/src/utils/valid_headers_only.ts +++ b/src/utils/valid_headers_only.ts @@ -1,4 +1,5 @@ import { validateHeaderName, validateHeaderValue } from 'http'; + import { isHopByHopHeader } from './is_hop_by_hop_header'; /** @@ -16,19 +17,16 @@ export const validHeadersOnly = (rawHeaders: string[]): string[] => { try { validateHeaderName(name); validateHeaderValue(name, value); - } catch (error) { - // eslint-disable-next-line no-continue + } catch { continue; } if (isHopByHopHeader(name)) { - // eslint-disable-next-line no-continue continue; } if (name.toLowerCase() === 'host') { if (containsHost) { - // eslint-disable-next-line no-continue continue; } diff --git a/test/anonymize_proxy.js b/test/anonymize_proxy.js index 46d2e24f..9ceeef3a 100644 --- a/test/anonymize_proxy.js +++ b/test/anonymize_proxy.js @@ -9,6 +9,7 @@ const request = require('request'); const express = require('express'); const { anonymizeProxy, closeAnonymizedProxy, listenConnectAnonymizedProxy } = require('../src/index'); +const { expectThrowsAsync } = require('./utils/throws_async'); let expressServer; let proxyServer; @@ -105,43 +106,35 @@ describe('utils.anonymizeProxy', function () { // Need larger timeout for Travis CI this.timeout(5 * 1000); it('throws for invalid args', () => { - assert.throws(() => { anonymizeProxy(null); }, Error); - assert.throws(() => { anonymizeProxy(); }, Error); - assert.throws(() => { anonymizeProxy({}); }, Error); + expectThrowsAsync(async () => { await anonymizeProxy(null); }); + expectThrowsAsync(async () => { await anonymizeProxy(); }); + expectThrowsAsync(async () => { await anonymizeProxy({}); }); - assert.throws(() => { closeAnonymizedProxy({}); }, Error); - assert.throws(() => { closeAnonymizedProxy(); }, Error); - assert.throws(() => { closeAnonymizedProxy(null); }, Error); + expectThrowsAsync(async () => { await closeAnonymizedProxy({}); }); + expectThrowsAsync(async () => { await closeAnonymizedProxy(); }); + expectThrowsAsync(async () => { await closeAnonymizedProxy(null); }); }); it('throws for unsupported https: protocol', () => { - assert.throws(() => { anonymizeProxy('https://whatever.com'); }, Error); - assert.throws(() => { - anonymizeProxy({ url: 'https://whatever.com' }); - }, Error); + expectThrowsAsync(async () => { await anonymizeProxy('https://whatever.com'); }); + expectThrowsAsync(async () => { await anonymizeProxy({ url: 'https://whatever.com' }); }); }); it('throws for invalid ports', () => { - assert.throws(() => { - anonymizeProxy({ url: 'http://whatever.com', port: -16 }); - }, Error); - assert.throws(() => { - anonymizeProxy({ + expectThrowsAsync(async () => { await anonymizeProxy({ url: 'http://whatever.com', port: -16 }); }); + expectThrowsAsync(async () => { + await anonymizeProxy({ url: 'http://whatever.com', port: 4324324324, }); - }, Error); + }); }); it('throws for invalid URLs', () => { - assert.throws(() => { anonymizeProxy('://whatever.com'); }, Error); - assert.throws(() => { anonymizeProxy('https://whatever.com'); }, Error); - assert.throws(() => { - anonymizeProxy({ url: '://whatever.com' }); - }, Error); - assert.throws(() => { - anonymizeProxy({ url: 'https://whatever.com' }); - }, Error); + expectThrowsAsync(async () => { await anonymizeProxy('://whatever.com'); }); + expectThrowsAsync(async () => { await anonymizeProxy('https://whatever.com'); }); + expectThrowsAsync(async () => { await anonymizeProxy({ url: '://whatever.com' }); }); + expectThrowsAsync(async () => { await anonymizeProxy({ url: 'https://whatever.com' }); }); }); it('keeps already anonymous proxies (both with callbacks and promises)', () => { diff --git a/test/tcp_tunnel.js b/test/tcp_tunnel.js index cd660cdc..1b9705b4 100644 --- a/test/tcp_tunnel.js +++ b/test/tcp_tunnel.js @@ -4,6 +4,7 @@ const http = require('http'); const proxy = require('proxy'); const { createTunnel, closeTunnel } = require('../src/index'); +const { expectThrowsAsync } = require('./utils/throws_async'); const destroySocket = (socket) => new Promise((resolve, reject) => { if (!socket || socket.destroyed) return resolve(); @@ -42,16 +43,16 @@ const closeServer = (server, connections) => new Promise((resolve, reject) => { describe('tcp_tunnel.createTunnel', () => { it('throws error if proxyUrl is not in correct format', () => { - assert.throws(() => { createTunnel('socks://user:password@whatever.com:123', 'localhost:9000'); }, /must have the "http" protocol/); - assert.throws(() => { createTunnel('socks5://user:password@whatever.com', 'localhost:9000'); }, /must have the "http" protocol/); + expectThrowsAsync(async () => { await createTunnel('socks://user:password@whatever.com:123', 'localhost:9000'); }, /must have the "http" protocol/); + expectThrowsAsync(async () => { await createTunnel('socks5://user:password@whatever.com', 'localhost:9000'); }, /must have the "http" protocol/); }); it('throws error if target is not in correct format', () => { - assert.throws(() => { createTunnel('http://user:password@whatever.com:12'); }, 'Missing target hostname'); - assert.throws(() => { createTunnel('http://user:password@whatever.com:12', null); }, 'Missing target hostname'); - assert.throws(() => { createTunnel('http://user:password@whatever.com:12', ''); }, 'Missing target hostname'); - assert.throws(() => { createTunnel('http://user:password@whatever.com:12', 'whatever'); }, 'Missing target port'); - assert.throws(() => { createTunnel('http://user:password@whatever.com:12', 'whatever:'); }, 'Missing target port'); - assert.throws(() => { createTunnel('http://user:password@whatever.com:12', ':whatever'); }, /Invalid URL/); + expectThrowsAsync(async () => { await createTunnel('http://user:password@whatever.com:12'); }, 'Missing target hostname'); + expectThrowsAsync(async () => { await createTunnel('http://user:password@whatever.com:12', null); }, 'Missing target hostname'); + expectThrowsAsync(async () => { await createTunnel('http://user:password@whatever.com:12', ''); }, 'Missing target hostname'); + expectThrowsAsync(async () => { await createTunnel('http://user:password@whatever.com:12', 'whatever'); }, 'Missing target port'); + expectThrowsAsync(async () => { await createTunnel('http://user:password@whatever.com:12', 'whatever:'); }, 'Missing target port'); + expectThrowsAsync(async () => { await createTunnel('http://user:password@whatever.com:12', ':whatever'); }, /Invalid URL/); }); it('correctly tunnels to tcp service and then is able to close the connection', () => { const proxyServerConnections = []; diff --git a/test/utils/throws_async.js b/test/utils/throws_async.js new file mode 100644 index 00000000..c7108924 --- /dev/null +++ b/test/utils/throws_async.js @@ -0,0 +1,25 @@ +const { expect } = require('chai'); + +/** + * Expect an async function to throw + * @param {*} func Async function to be tested + * @param {*} errorMessage Error message to be expected, can be a string or a RegExp + */ +const expectThrowsAsync = async (func, errorMessage) => { + let error = null; + try { + await func(); + } catch (err) { + error = err; + } + expect(error).to.be.an('Error'); + if (errorMessage) { + if (errorMessage instanceof RegExp) { + expect(error.message).to.match(errorMessage); + } else { + expect(error.message).to.contain(errorMessage); + } + } +}; + +exports.expectThrowsAsync = expectThrowsAsync; From 12a5e8e24bcc82a97201821b2d77f65bf9125e99 Mon Sep 17 00:00:00 2001 From: Dongkuo Ma Date: Fri, 24 Jan 2025 19:50:28 +0800 Subject: [PATCH 083/109] fixed missing log prefix for the first request (#571) --- src/server.ts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/server.ts b/src/server.ts index 90abcd6f..41687814 100644 --- a/src/server.ts +++ b/src/server.ts @@ -184,7 +184,7 @@ export class Server extends EventEmitter { log(connectionId: unknown, str: string): void { if (this.verbose) { - const logPrefix = connectionId ? `${String(connectionId)} | ` : ''; + const logPrefix = connectionId != null ? `${String(connectionId)} | ` : ''; // eslint-disable-next-line no-console console.log(`ProxyServer[${this.port}]: ${logPrefix}${str}`); } From 6c6bb09ac746da89c8b0671169bde961d48d432a Mon Sep 17 00:00:00 2001 From: Kiko Beats Date: Wed, 29 Jan 2025 11:11:19 +0100 Subject: [PATCH 084/109] docs: update report the port (#573) --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index 77d3dae0..7a805eb1 100644 --- a/README.md +++ b/README.md @@ -26,7 +26,7 @@ const ProxyChain = require('proxy-chain'); const server = new ProxyChain.Server({ port: 8000 }); server.listen(() => { - console.log(`Proxy server is listening on port ${8000}`); + console.log(`Proxy server is listening on port ${server.port}`); }); ``` From a5070213469cff95ed946abab0fa72b37e436f2e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ji=C5=99=C3=AD=20Morav=C4=8D=C3=ADk?= Date: Mon, 10 Mar 2025 09:15:29 +0100 Subject: [PATCH 085/109] fix: correct target stats when sockets are reused (#576) This PR attempts to fix incorrect stats due to the reuse of target sockets for HTTP(S) protocols. Based on https://github.com/apify/proxy-chain/pull/572 Note: I was forced to upgrade `actions/cache` as `v2` was deprecated and it wouldn't run with it. I also had to edit eslint config to run with `.` instead of `src` and excluded `tests`, because with `src` the CI was failing (no idea why). --- .github/scripts/before-beta-release.js | 17 +++++++------- .github/workflows/check.yaml | 4 ++-- .github/workflows/release.yaml | 6 ++--- eslint.config.mjs | 2 +- jest.config.ts | 1 + package.json | 4 ++-- src/chain.ts | 9 +++++++- src/forward.ts | 9 ++++++-- src/utils/count_target_bytes.ts | 31 ++++++++++++++++++-------- 9 files changed, 55 insertions(+), 28 deletions(-) diff --git a/.github/scripts/before-beta-release.js b/.github/scripts/before-beta-release.js index 8f898565..fb7ff9af 100644 --- a/.github/scripts/before-beta-release.js +++ b/.github/scripts/before-beta-release.js @@ -1,9 +1,10 @@ -const path = require('path'); -const fs = require('fs'); const { execSync } = require('child_process'); +const fs = require('fs'); +const path = require('path'); const PKG_JSON_PATH = path.join(__dirname, '..', '..', 'package.json'); +// eslint-disable-next-line import/no-dynamic-require const pkgJson = require(PKG_JSON_PATH); const PACKAGE_NAME = pkgJson.name; @@ -13,20 +14,20 @@ const nextVersion = getNextVersion(VERSION); console.log(`before-deploy: Setting version to ${nextVersion}`); pkgJson.version = nextVersion; -fs.writeFileSync(PKG_JSON_PATH, JSON.stringify(pkgJson, null, 2) + '\n'); +fs.writeFileSync(PKG_JSON_PATH, `${JSON.stringify(pkgJson, null, 2)}\n`); function getNextVersion(version) { - const versionString = execSync(`npm show ${PACKAGE_NAME} versions --json`, { encoding: 'utf8'}); + const versionString = execSync(`npm show ${PACKAGE_NAME} versions --json`, { encoding: 'utf8' }); const versions = JSON.parse(versionString); - if (versions.some(v => v === VERSION)) { + if (versions.some((v) => v === VERSION)) { console.error(`before-deploy: A release with version ${VERSION} already exists. Please increment version accordingly.`); process.exit(1); } const prereleaseNumbers = versions - .filter(v => (v.startsWith(VERSION) && v.includes('-'))) - .map(v => Number(v.match(/\.(\d+)$/)[1])); + .filter((v) => (v.startsWith(VERSION) && v.includes('-'))) + .map((v) => Number(v.match(/\.(\d+)$/)[1])); const lastPrereleaseNumber = Math.max(-1, ...prereleaseNumbers); - return `${version}-beta.${lastPrereleaseNumber + 1}` + return `${version}-beta.${lastPrereleaseNumber + 1}`; } diff --git a/.github/workflows/check.yaml b/.github/workflows/check.yaml index 854289cc..4f608306 100644 --- a/.github/workflows/check.yaml +++ b/.github/workflows/check.yaml @@ -28,7 +28,7 @@ jobs: - name: Cache Node Modules if: ${{ matrix.node-version == 18 }} - uses: actions/cache@v2 + uses: actions/cache@v4 with: path: | node_modules @@ -64,7 +64,7 @@ jobs: node-version: 18 - name: Load Cache - uses: actions/cache@v2 + uses: actions/cache@v4 with: path: | node_modules diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml index 7c873eae..ea9a4b95 100644 --- a/.github/workflows/release.yaml +++ b/.github/workflows/release.yaml @@ -32,7 +32,7 @@ jobs: - name: Cache Node Modules if: ${{ matrix.node-version == 18 }} - uses: actions/cache@v2 + uses: actions/cache@v4 with: path: | node_modules @@ -67,7 +67,7 @@ jobs: node-version: 18 - name: Load Cache - uses: actions/cache@v2 + uses: actions/cache@v4 with: path: | node_modules @@ -93,7 +93,7 @@ jobs: registry-url: https://registry.npmjs.org/ - name: Load Cache - uses: actions/cache@v2 + uses: actions/cache@v4 with: path: | node_modules diff --git a/eslint.config.mjs b/eslint.config.mjs index 756ebcfa..d356f22a 100644 --- a/eslint.config.mjs +++ b/eslint.config.mjs @@ -2,7 +2,7 @@ import apify from '@apify/eslint-config'; // eslint-disable-next-line import/no-default-export export default [ - { ignores: ['**/dist'] }, // Ignores need to happen first + { ignores: ['**/dist', 'test'] }, // Ignores need to happen first ...apify, { languageOptions: { diff --git a/jest.config.ts b/jest.config.ts index 418627b8..dbb5dc79 100644 --- a/jest.config.ts +++ b/jest.config.ts @@ -1,5 +1,6 @@ import type { Config } from '@jest/types'; +// eslint-disable-next-line import/no-default-export export default (): Config.InitialOptions => ({ verbose: true, preset: 'ts-jest', diff --git a/package.json b/package.json index dbab3f1a..896ff096 100644 --- a/package.json +++ b/package.json @@ -37,8 +37,8 @@ "prepublishOnly": "npm run build", "local-proxy": "node ./dist/run_locally.js", "test": "nyc cross-env NODE_OPTIONS=--insecure-http-parser mocha --bail", - "lint": "eslint src", - "lint:fix": "eslint src --fix" + "lint": "eslint .", + "lint:fix": "eslint . --fix" }, "engines": { "node": ">=14" diff --git a/src/chain.ts b/src/chain.ts index c3ed6cb5..53f4cc52 100644 --- a/src/chain.ts +++ b/src/chain.ts @@ -7,6 +7,7 @@ import type { URL } from 'url'; import type { Socket } from './socket'; import { badGatewayStatusCodes, createCustomStatusHttpResponse, errorCodeToStatusCode } from './statuses'; +import type { SocketWithPreviousStats } from './utils/count_target_bytes'; import { countTargetBytes } from './utils/count_target_bytes'; import { getBasicAuthorizationHeader } from './utils/get_basic'; @@ -85,9 +86,15 @@ export const chain = ( const fn = proxy.protocol === 'https:' ? https.request : http.request; const client = fn(proxy.origin, options as unknown as http.ClientRequestArgs); - client.on('connect', (response, targetSocket, clientHead) => { + client.once('socket', (targetSocket: SocketWithPreviousStats) => { + // Socket can be re-used by multiple requests. + // That's why we need to track the previous stats. + targetSocket.previousBytesRead = targetSocket.bytesRead; + targetSocket.previousBytesWritten = targetSocket.bytesWritten; countTargetBytes(sourceSocket, targetSocket); + }); + client.on('connect', (response, targetSocket, clientHead) => { if (sourceSocket.readyState !== 'open') { // Sanity check, should never reach. targetSocket.destroy(); diff --git a/src/forward.ts b/src/forward.ts index f49a56ef..8b6f9a18 100644 --- a/src/forward.ts +++ b/src/forward.ts @@ -6,6 +6,7 @@ import type { URL } from 'url'; import util from 'util'; import { badGatewayStatusCodes, errorCodeToStatusCode } from './statuses'; +import type { SocketWithPreviousStats } from './utils/count_target_bytes'; import { countTargetBytes } from './utils/count_target_bytes'; import { getBasicAuthorizationHeader } from './utils/get_basic'; import { validHeadersOnly } from './utils/valid_headers_only'; @@ -114,8 +115,12 @@ export const forward = async ( } }); - client.once('socket', (socket) => { - countTargetBytes(request.socket, socket); + client.once('socket', (socket: SocketWithPreviousStats) => { + // Socket can be re-used by multiple requests. + // That's why we need to track the previous stats. + socket.previousBytesRead = socket.bytesRead; + socket.previousBytesWritten = socket.bytesWritten; + countTargetBytes(request.socket, socket, (handler) => response.once('close', handler)); }); // Can't use pipeline here as it automatically destroys the streams diff --git a/src/utils/count_target_bytes.ts b/src/utils/count_target_bytes.ts index 5a035115..1f1d56ea 100644 --- a/src/utils/count_target_bytes.ts +++ b/src/utils/count_target_bytes.ts @@ -7,17 +7,27 @@ const calculateTargetStats = Symbol('calculateTargetStats'); type Stats = { bytesWritten: number | null, bytesRead: number | null }; +/** + * Socket object extended with previous read and written bytes. + * Necessary due to target socket re-use. + */ +export type SocketWithPreviousStats = net.Socket & { previousBytesWritten?: number, previousBytesRead?: number }; + interface Extras { [targetBytesWritten]: number; [targetBytesRead]: number; - [targets]: Set; + [targets]: Set; [calculateTargetStats]: () => Stats; } // @ts-expect-error TS is not aware that `source` is used in the assertion. function typeSocket(source: unknown): asserts source is net.Socket & Extras {} -export const countTargetBytes = (source: net.Socket, target: net.Socket): void => { +export const countTargetBytes = ( + source: net.Socket, + target: SocketWithPreviousStats, + registerCloseHandler?: (handler: () => void) => void, +): void => { typeSocket(source); source[targetBytesWritten] = source[targetBytesWritten] || 0; @@ -26,12 +36,15 @@ export const countTargetBytes = (source: net.Socket, target: net.Socket): void = source[targets].add(target); - target.once('close', () => { - source[targetBytesWritten] += target.bytesWritten; - source[targetBytesRead] += target.bytesRead; - + const closeHandler = () => { + source[targetBytesWritten] += (target.bytesWritten - (target.previousBytesWritten || 0)); + source[targetBytesRead] += (target.bytesRead - (target.previousBytesRead || 0)); source[targets].delete(target); - }); + }; + if (!registerCloseHandler) { + registerCloseHandler = (handler: () => void) => target.once('close', handler); + } + registerCloseHandler(closeHandler); if (!source[calculateTargetStats]) { source[calculateTargetStats] = () => { @@ -39,8 +52,8 @@ export const countTargetBytes = (source: net.Socket, target: net.Socket): void = let bytesRead = source[targetBytesRead]; for (const socket of source[targets]) { - bytesWritten += socket.bytesWritten; - bytesRead += socket.bytesRead; + bytesWritten += (socket.bytesWritten - (socket.previousBytesWritten || 0)); + bytesRead += (socket.bytesRead - (socket.previousBytesRead || 0)); } return { From 16bca47bff4761929ca220777e7857da1ec84437 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ji=C5=99=C3=AD=20Morav=C4=8D=C3=ADk?= Date: Fri, 21 Mar 2025 20:30:26 +0100 Subject: [PATCH 086/109] chore: update shared eslint config to a stable version (#579) --- .github/scripts/before-beta-release.js | 6 +++--- eslint.config.mjs | 4 ++-- package.json | 4 ++-- src/anonymize_proxy.ts | 8 ++++---- src/chain.ts | 12 ++++++------ src/chain_socks.ts | 12 ++++++------ src/custom_connect.ts | 6 +++--- src/custom_response.ts | 4 ++-- src/direct.ts | 10 +++++----- src/forward.ts | 12 ++++++------ src/forward_socks.ts | 8 ++++---- src/server.ts | 14 +++++++------- src/socket.ts | 4 ++-- src/statuses.ts | 2 +- src/tcp_tunnel_tools.ts | 4 ++-- src/utils/count_target_bytes.ts | 3 ++- src/utils/get_basic.ts | 2 +- src/utils/normalize_url_port.ts | 2 +- src/utils/parse_authorization_header.ts | 2 +- src/utils/redact_url.ts | 2 +- src/utils/valid_headers_only.ts | 2 +- 21 files changed, 62 insertions(+), 61 deletions(-) diff --git a/.github/scripts/before-beta-release.js b/.github/scripts/before-beta-release.js index fb7ff9af..5b90cf6c 100644 --- a/.github/scripts/before-beta-release.js +++ b/.github/scripts/before-beta-release.js @@ -1,6 +1,6 @@ -const { execSync } = require('child_process'); -const fs = require('fs'); -const path = require('path'); +const { execSync } = require('node:child_process'); +const fs = require('node:fs'); +const path = require('node:path'); const PKG_JSON_PATH = path.join(__dirname, '..', '..', 'package.json'); diff --git a/eslint.config.mjs b/eslint.config.mjs index d356f22a..257cac34 100644 --- a/eslint.config.mjs +++ b/eslint.config.mjs @@ -1,9 +1,9 @@ -import apify from '@apify/eslint-config'; +import apifyTypescriptConfig from '@apify/eslint-config/ts.js'; // eslint-disable-next-line import/no-default-export export default [ { ignores: ['**/dist', 'test'] }, // Ignores need to happen first - ...apify, + ...apifyTypescriptConfig, { languageOptions: { sourceType: 'module', diff --git a/package.json b/package.json index 896ff096..6d7eecdf 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "2.5.7", + "version": "2.5.8", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "keywords": [ @@ -44,7 +44,7 @@ "node": ">=14" }, "devDependencies": { - "@apify/eslint-config": "^0.5.0-beta.2", + "@apify/eslint-config": "^1.0.0", "@apify/tsconfig": "^0.1.0", "@types/jest": "^28.1.2", "@types/node": "^18.8.3", diff --git a/src/anonymize_proxy.ts b/src/anonymize_proxy.ts index d862c578..1ef509f0 100644 --- a/src/anonymize_proxy.ts +++ b/src/anonymize_proxy.ts @@ -1,7 +1,7 @@ -import type { Buffer } from 'buffer'; -import type http from 'http'; -import type net from 'net'; -import { URL } from 'url'; +import type { Buffer } from 'node:buffer'; +import type http from 'node:http'; +import type net from 'node:net'; +import { URL } from 'node:url'; import { Server, SOCKS_PROTOCOLS } from './server'; import { nodeify } from './utils/nodeify'; diff --git a/src/chain.ts b/src/chain.ts index 53f4cc52..f1a3576c 100644 --- a/src/chain.ts +++ b/src/chain.ts @@ -1,9 +1,9 @@ -import type { Buffer } from 'buffer'; -import type dns from 'dns'; -import type { EventEmitter } from 'events'; -import http from 'http'; -import https from 'https'; -import type { URL } from 'url'; +import type { Buffer } from 'node:buffer'; +import type dns from 'node:dns'; +import type { EventEmitter } from 'node:events'; +import http from 'node:http'; +import https from 'node:https'; +import type { URL } from 'node:url'; import type { Socket } from './socket'; import { badGatewayStatusCodes, createCustomStatusHttpResponse, errorCodeToStatusCode } from './statuses'; diff --git a/src/chain_socks.ts b/src/chain_socks.ts index 3f47f74f..de2b8c14 100644 --- a/src/chain_socks.ts +++ b/src/chain_socks.ts @@ -1,10 +1,10 @@ -import type { Buffer } from 'buffer'; -import type { EventEmitter } from 'events'; -import type http from 'http'; -import type net from 'net'; -import { URL } from 'url'; +import type { Buffer } from 'node:buffer'; +import type { EventEmitter } from 'node:events'; +import type http from 'node:http'; +import type net from 'node:net'; +import { URL } from 'node:url'; -import { type SocksClientError, SocksClient, type SocksProxy } from 'socks'; +import { SocksClient, type SocksClientError, type SocksProxy } from 'socks'; import type { Socket } from './socket'; import { createCustomStatusHttpResponse, socksErrorMessageToStatusCode } from './statuses'; diff --git a/src/custom_connect.ts b/src/custom_connect.ts index 3b3ad2dd..7b609d2a 100644 --- a/src/custom_connect.ts +++ b/src/custom_connect.ts @@ -1,6 +1,6 @@ -import type http from 'http'; -import type net from 'net'; -import { promisify } from 'util'; +import type http from 'node:http'; +import type net from 'node:net'; +import { promisify } from 'node:util'; export const customConnect = async (socket: net.Socket, server: http.Server): Promise => { // `countTargetBytes(socket, socket)` is incorrect here since `socket` is not a target. diff --git a/src/custom_response.ts b/src/custom_response.ts index 5c3c0c97..8058f877 100644 --- a/src/custom_response.ts +++ b/src/custom_response.ts @@ -1,5 +1,5 @@ -import type { Buffer } from 'buffer'; -import type http from 'http'; +import type { Buffer } from 'node:buffer'; +import type http from 'node:http'; export interface CustomResponse { statusCode?: number; diff --git a/src/direct.ts b/src/direct.ts index 2c42f231..f4c7d68d 100644 --- a/src/direct.ts +++ b/src/direct.ts @@ -1,8 +1,8 @@ -import type { Buffer } from 'buffer'; -import type dns from 'dns'; -import type { EventEmitter } from 'events'; -import net from 'net'; -import { URL } from 'url'; +import type { Buffer } from 'node:buffer'; +import type dns from 'node:dns'; +import type { EventEmitter } from 'node:events'; +import net from 'node:net'; +import { URL } from 'node:url'; import type { Socket } from './socket'; import { countTargetBytes } from './utils/count_target_bytes'; diff --git a/src/forward.ts b/src/forward.ts index 8b6f9a18..a9e66d54 100644 --- a/src/forward.ts +++ b/src/forward.ts @@ -1,9 +1,9 @@ -import type dns from 'dns'; -import http from 'http'; -import https from 'https'; -import stream from 'stream'; -import type { URL } from 'url'; -import util from 'util'; +import type dns from 'node:dns'; +import http from 'node:http'; +import https from 'node:https'; +import stream from 'node:stream'; +import type { URL } from 'node:url'; +import util from 'node:util'; import { badGatewayStatusCodes, errorCodeToStatusCode } from './statuses'; import type { SocketWithPreviousStats } from './utils/count_target_bytes'; diff --git a/src/forward_socks.ts b/src/forward_socks.ts index 75672941..4595db44 100644 --- a/src/forward_socks.ts +++ b/src/forward_socks.ts @@ -1,7 +1,7 @@ -import http from 'http'; -import stream from 'stream'; -import type { URL } from 'url'; -import util from 'util'; +import http from 'node:http'; +import stream from 'node:stream'; +import type { URL } from 'node:url'; +import util from 'node:util'; import { SocksProxyAgent } from 'socks-proxy-agent'; diff --git a/src/server.ts b/src/server.ts index 41687814..23247f24 100644 --- a/src/server.ts +++ b/src/server.ts @@ -1,11 +1,11 @@ /* eslint-disable no-use-before-define */ -import { Buffer } from 'buffer'; -import type dns from 'dns'; -import { EventEmitter } from 'events'; -import http from 'http'; -import type net from 'net'; -import { URL } from 'url'; -import util from 'util'; +import { Buffer } from 'node:buffer'; +import type dns from 'node:dns'; +import { EventEmitter } from 'node:events'; +import http from 'node:http'; +import type net from 'node:net'; +import { URL } from 'node:url'; +import util from 'node:util'; import type { HandlerOpts as ChainOpts } from './chain'; import { chain } from './chain'; diff --git a/src/socket.ts b/src/socket.ts index 7e4ecf51..4b139470 100644 --- a/src/socket.ts +++ b/src/socket.ts @@ -1,5 +1,5 @@ -import type net from 'net'; -import type tls from 'tls'; +import type net from 'node:net'; +import type tls from 'node:tls'; type AdditionalProps = { proxyChainId?: number }; diff --git a/src/statuses.ts b/src/statuses.ts index 4c0a3bee..ecb22eb0 100644 --- a/src/statuses.ts +++ b/src/statuses.ts @@ -1,4 +1,4 @@ -import { STATUS_CODES } from 'http'; +import { STATUS_CODES } from 'node:http'; type HttpStatusCode = number; diff --git a/src/tcp_tunnel_tools.ts b/src/tcp_tunnel_tools.ts index c6b43e0c..e9b40a19 100644 --- a/src/tcp_tunnel_tools.ts +++ b/src/tcp_tunnel_tools.ts @@ -1,5 +1,5 @@ -import net from 'net'; -import { URL } from 'url'; +import net from 'node:net'; +import { URL } from 'node:url'; import { chain } from './chain'; import { nodeify } from './utils/nodeify'; diff --git a/src/utils/count_target_bytes.ts b/src/utils/count_target_bytes.ts index 1f1d56ea..983021b6 100644 --- a/src/utils/count_target_bytes.ts +++ b/src/utils/count_target_bytes.ts @@ -1,4 +1,4 @@ -import type net from 'net'; +import type net from 'node:net'; const targetBytesWritten = Symbol('targetBytesWritten'); const targetBytesRead = Symbol('targetBytesRead'); @@ -21,6 +21,7 @@ interface Extras { } // @ts-expect-error TS is not aware that `source` is used in the assertion. +// eslint-disable-next-line @typescript-eslint/no-empty-function function typeSocket(source: unknown): asserts source is net.Socket & Extras {} export const countTargetBytes = ( diff --git a/src/utils/get_basic.ts b/src/utils/get_basic.ts index 898c10a8..6ccbf608 100644 --- a/src/utils/get_basic.ts +++ b/src/utils/get_basic.ts @@ -1,4 +1,4 @@ -import type { URL } from 'url'; +import type { URL } from 'node:url'; import { decodeURIComponentSafe } from './decode_uri_component_safe'; diff --git a/src/utils/normalize_url_port.ts b/src/utils/normalize_url_port.ts index df6e6e4a..54d7bb8a 100644 --- a/src/utils/normalize_url_port.ts +++ b/src/utils/normalize_url_port.ts @@ -1,4 +1,4 @@ -import type { URL } from 'url'; +import type { URL } from 'node:url'; // https://url.spec.whatwg.org/#default-port const mapping = { diff --git a/src/utils/parse_authorization_header.ts b/src/utils/parse_authorization_header.ts index 6a8375db..ab9c52bc 100644 --- a/src/utils/parse_authorization_header.ts +++ b/src/utils/parse_authorization_header.ts @@ -1,4 +1,4 @@ -import { Buffer } from 'buffer'; +import { Buffer } from 'node:buffer'; const splitAt = (string: string, index: number) => { return [ diff --git a/src/utils/redact_url.ts b/src/utils/redact_url.ts index 2b50c00b..ca384717 100644 --- a/src/utils/redact_url.ts +++ b/src/utils/redact_url.ts @@ -1,4 +1,4 @@ -import { URL } from 'url'; +import { URL } from 'node:url'; export const redactUrl = (url: string | URL, passwordReplacement = ''): string => { if (typeof url !== 'object') { diff --git a/src/utils/valid_headers_only.ts b/src/utils/valid_headers_only.ts index aa6ec7ed..936851f6 100644 --- a/src/utils/valid_headers_only.ts +++ b/src/utils/valid_headers_only.ts @@ -1,4 +1,4 @@ -import { validateHeaderName, validateHeaderValue } from 'http'; +import { validateHeaderName, validateHeaderValue } from 'node:http'; import { isHopByHopHeader } from './is_hop_by_hop_header'; From bad3172a5b2d1da37e602f47b26356fca530827d Mon Sep 17 00:00:00 2001 From: Patrick Kan <55383971+patrickkfkan@users.noreply.github.com> Date: Fri, 28 Mar 2025 17:06:22 +0800 Subject: [PATCH 087/109] Add HTTPS upstream proxy support with option to ignore proxy cert errors (#577) This PR adds support for a new boolean option `ignoreProxyCertificate`. If set to `true`, certificate errors will be ignored, which can be useful for HTTPS proxies with self-signed certificates. Usage: ``` const server = new Server({ prepareRequestFunction: () => ({ upstreamProxyUrl: 'https://user:pass@myproxy:8080', ignoreUpstreamProxyCertificate: true // Useful for self-signed cert }) }).listen(); ``` Anonymize: ``` anonymizeProxy({ url: 'https://user:pass@myproxy:8080', ignoreProxyCertificate: true, }).then((anonymizedURL) => { console.log(`Anonymized URL: ${anonymizedURL}`); }); ``` Create tunnel: ``` createTunnel( 'https://user:pass@myproxy:8080', targetHost, { ignoreProxyCertificate: true } ).then((url) => { console.log('Tunnel endpoint:', url); }); ``` --- README.md | 14 +++++++++++--- src/anonymize_proxy.ts | 18 +++++++++++++----- src/chain.ts | 9 +++++++-- src/forward.ts | 17 ++++++++++++----- src/server.ts | 7 +++++++ src/tcp_tunnel_tools.ts | 12 ++++++++---- 6 files changed, 58 insertions(+), 19 deletions(-) diff --git a/README.md b/README.md index 7a805eb1..44934f7a 100644 --- a/README.md +++ b/README.md @@ -68,7 +68,7 @@ const server = new ProxyChain.Server({ // requiring Basic authentication. Here you can verify user credentials. requestAuthentication: username !== 'bob' || password !== 'TopSecret', - // Sets up an upstream HTTP/SOCKS proxy to which all the requests are forwarded. + // Sets up an upstream HTTP/HTTPS/SOCKS proxy to which all the requests are forwarded. // If null, the proxy works in direct mode, i.e. the connection is forwarded directly // to the target server. This field is ignored if "requestAuthentication" is true. // The username and password must be URI-encoded. @@ -76,6 +76,10 @@ const server = new ProxyChain.Server({ // Or use SOCKS4/5 proxy, e.g. // upstreamProxyUrl: `socks://username:password@proxy.example.com:1080`, + // Applies to HTTPS upstream proxy. If set to true, requests made to the proxy will + // ignore certificate errors. Useful when upstream proxy uses self-signed certificate. By default "false". + ignoreUpstreamProxyCertificate: true + // If "requestAuthentication" is true, you can use the following property // to define a custom error message to return to the client instead of the default "Proxy credentials required" failMsg: 'Bad username or password, please try again.', @@ -368,10 +372,13 @@ The package also provides several utility functions. ### `anonymizeProxy({ url, port }, callback)` -Parses and validates a HTTP proxy URL. If the proxy requires authentication, +Parses and validates a HTTP/HTTPS proxy URL. If the proxy requires authentication, then the function starts an open local proxy server that forwards to the proxy. The port (on which the local proxy server will start) can be set via the `port` property of the first argument, if not provided, it will be chosen randomly. +For HTTPS proxy with self-signed certificate, set `ignoreProxyCertificate` property of the first argument to `true` to ignore certificate errors in +proxy requests. + The function takes an optional callback that receives the anonymous proxy URL. If no callback is supplied, the function returns a promise that resolves to a String with anonymous proxy URL or the original URL if it was already anonymous. @@ -420,13 +427,14 @@ If callback is not provided, the function returns a promise instead. ### `createTunnel(proxyUrl, targetHost, options, callback)` -Creates a TCP tunnel to `targetHost` that goes through a HTTP proxy server +Creates a TCP tunnel to `targetHost` that goes through a HTTP/HTTPS proxy server specified by the `proxyUrl` parameter. The optional `options` parameter is an object with the following properties: - `port: Number` - Enables specifying the local port to listen at. By default `0`, which means a random port will be selected. - `hostname: String` - Local hostname to listen at. By default `localhost`. +- `ignoreProxyCertificate` - For HTTPS proxy, ignore certificate errors in proxy requests. Useful for proxy with self-signed certificate. By default `false`. - `verbose: Boolean` - If `true`, the functions logs a lot. By default `false`. The result of the function is a local endpoint in a form of `hostname:port`. diff --git a/src/anonymize_proxy.ts b/src/anonymize_proxy.ts index 1ef509f0..9b7cbd8e 100644 --- a/src/anonymize_proxy.ts +++ b/src/anonymize_proxy.ts @@ -12,10 +12,12 @@ const anonymizedProxyUrlToServer: Record = {}; export interface AnonymizeProxyOptions { url: string; port: number; + ignoreProxyCertificate?: boolean; } /** - * Parses and validates a HTTP proxy URL. If the proxy requires authentication, then the function + * Parses and validates a HTTP proxy URL. If the proxy requires authentication, + * or if it is an HTTPS proxy and `ignoreProxyCertificate` is `true`, then the function * starts an open local proxy server that forwards to the upstream proxy. */ export const anonymizeProxy = async ( @@ -24,6 +26,7 @@ export const anonymizeProxy = async ( ): Promise => { let proxyUrl: string; let port = 0; + let ignoreProxyCertificate = false; if (typeof options === 'string') { proxyUrl = options; @@ -36,15 +39,19 @@ export const anonymizeProxy = async ( 'Invalid "port" option: only values equals or between 0-65535 are valid', ); } + + if (options.ignoreProxyCertificate !== undefined) { + ignoreProxyCertificate = options.ignoreProxyCertificate; + } } const parsedProxyUrl = new URL(proxyUrl); - if (!['http:', ...SOCKS_PROTOCOLS].includes(parsedProxyUrl.protocol)) { - throw new Error(`Invalid "proxyUrl" provided: URL must have one of the following protocols: "http", ${SOCKS_PROTOCOLS.map((p) => `"${p.replace(':', '')}"`).join(', ')} (was "${parsedProxyUrl}")`); + if (!['http:', 'https:', ...SOCKS_PROTOCOLS].includes(parsedProxyUrl.protocol)) { + throw new Error(`Invalid "proxyUrl" provided: URL must have one of the following protocols: "http", "https", ${SOCKS_PROTOCOLS.map((p) => `"${p.replace(':', '')}"`).join(', ')} (was "${parsedProxyUrl}")`); } - // If upstream proxy requires no password, return it directly - if (!parsedProxyUrl.username && !parsedProxyUrl.password) { + // If upstream proxy requires no password or if there is no need to ignore HTTPS proxy cert errors, return it directly + if (!parsedProxyUrl.username && !parsedProxyUrl.password && (!ignoreProxyCertificate || parsedProxyUrl.protocol !== 'https:')) { return nodeify(Promise.resolve(proxyUrl), callback); } @@ -60,6 +67,7 @@ export const anonymizeProxy = async ( return { requestAuthentication: false, upstreamProxyUrl: proxyUrl, + ignoreUpstreamProxyCertificate: ignoreProxyCertificate, }; }, }) as Server & { port: number }; diff --git a/src/chain.ts b/src/chain.ts index f1a3576c..86cb8962 100644 --- a/src/chain.ts +++ b/src/chain.ts @@ -22,6 +22,7 @@ interface Options { export interface HandlerOpts { upstreamProxyUrlParsed: URL; + ignoreUpstreamProxyCertificate: boolean; localAddress?: string; ipFamily?: number; dnsLookup?: typeof dns['lookup']; @@ -83,8 +84,12 @@ export const chain = ( options.headers.push('proxy-authorization', getBasicAuthorizationHeader(proxy)); } - const fn = proxy.protocol === 'https:' ? https.request : http.request; - const client = fn(proxy.origin, options as unknown as http.ClientRequestArgs); + const client = proxy.protocol === 'https:' + ? https.request(proxy.origin, { + ...options as unknown as https.RequestOptions, + rejectUnauthorized: !handlerOpts.ignoreUpstreamProxyCertificate, + }) + : http.request(proxy.origin, options as unknown as http.RequestOptions); client.once('socket', (targetSocket: SocketWithPreviousStats) => { // Socket can be re-used by multiple requests. diff --git a/src/forward.ts b/src/forward.ts index a9e66d54..b7c656f6 100644 --- a/src/forward.ts +++ b/src/forward.ts @@ -25,6 +25,7 @@ interface Options { export interface HandlerOpts { upstreamProxyUrlParsed: URL; + ignoreUpstreamProxyCertificate: boolean; localAddress?: string; ipFamily?: number; dnsLookup?: typeof dns['lookup']; @@ -79,10 +80,7 @@ export const forward = async ( } } - const fn = origin!.startsWith('https:') ? https.request : http.request; - - // We have to force cast `options` because @types/node doesn't support an array. - const client = fn(origin!, options as unknown as http.ClientRequestArgs, async (clientResponse) => { + const requestCallback = async (clientResponse: http.IncomingMessage) => { try { // This is necessary to prevent Node.js throwing an error let statusCode = clientResponse.statusCode!; @@ -113,7 +111,16 @@ export const forward = async ( // Client error, pipeline already destroys the streams, ignore. resolve(); } - }); + }; + + // We have to force cast `options` because @types/node doesn't support an array. + const client = origin!.startsWith('https:') + ? https.request(origin!, { + ...options as unknown as https.RequestOptions, + rejectUnauthorized: handlerOpts.upstreamProxyUrlParsed ? !handlerOpts.ignoreUpstreamProxyCertificate : undefined, + }, requestCallback) + + : http.request(origin!, options as unknown as http.RequestOptions, requestCallback); client.once('socket', (socket: SocketWithPreviousStats) => { // Socket can be re-used by multiple requests. diff --git a/src/server.ts b/src/server.ts index 23247f24..41fba80d 100644 --- a/src/server.ts +++ b/src/server.ts @@ -55,6 +55,7 @@ type HandlerOpts = { srcHead: Buffer | null; trgParsed: URL | null; upstreamProxyUrlParsed: URL | null; + ignoreUpstreamProxyCertificate: boolean; isHttp: boolean; customResponseFunction?: CustomResponseOpts['customResponseFunction'] | null; customConnectServer?: http.Server | null; @@ -80,6 +81,7 @@ export type PrepareRequestFunctionResult = { requestAuthentication?: boolean; failMsg?: string; upstreamProxyUrl?: string | null; + ignoreUpstreamProxyCertificate?: boolean; localAddress?: string; ipFamily?: number; dnsLookup?: typeof dns['lookup']; @@ -341,6 +343,7 @@ export class Server extends EventEmitter { srcHead: null, trgParsed: null, upstreamProxyUrlParsed: null, + ignoreUpstreamProxyCertificate: false, isHttp: false, srcResponse: null, customResponseFunction: null, @@ -468,6 +471,10 @@ export class Server extends EventEmitter { } } + if (funcResult.ignoreUpstreamProxyCertificate !== undefined) { + handlerOpts.ignoreUpstreamProxyCertificate = funcResult.ignoreUpstreamProxyCertificate; + } + const { proxyChainId } = request.socket as Socket; if (funcResult.customResponseFunction) { diff --git a/src/tcp_tunnel_tools.ts b/src/tcp_tunnel_tools.ts index e9b40a19..f3c2e001 100644 --- a/src/tcp_tunnel_tools.ts +++ b/src/tcp_tunnel_tools.ts @@ -19,14 +19,15 @@ const getAddress = (server: net.Server) => { export async function createTunnel( proxyUrl: string, targetHost: string, - options: { + options?: { verbose?: boolean; + ignoreProxyCertificate?: boolean; }, callback?: (error: Error | null, result?: string) => void, ): Promise { const parsedProxyUrl = new URL(proxyUrl); - if (parsedProxyUrl.protocol !== 'http:') { - throw new Error(`The proxy URL must have the "http" protocol (was "${proxyUrl}")`); + if (!['http:', 'https:'].includes(parsedProxyUrl.protocol)) { + throw new Error(`The proxy URL must have the "http" or "https" protocol (was "${proxyUrl}")`); } const url = new URL(`connect://${targetHost || ''}`); @@ -67,7 +68,10 @@ export async function createTunnel( chain({ request: { url: targetHost }, sourceSocket, - handlerOpts: { upstreamProxyUrlParsed: parsedProxyUrl }, + handlerOpts: { + upstreamProxyUrlParsed: parsedProxyUrl, + ignoreUpstreamProxyCertificate: options?.ignoreProxyCertificate ?? false, + }, server: server as net.Server & { log: typeof log }, isPlain: true, }); From ec1ab9250c7dc515b4b12d48078d513db5e77067 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ludv=C3=ADk=20Prokopec?= <39367469+lewis-wow@users.noreply.github.com> Date: Fri, 4 Apr 2025 09:53:01 +0200 Subject: [PATCH 088/109] test: add ignoreUpstreamProxyCertificate tests (#583) * add ignoreUpstreamProxyCertificate tests * 2.5.9 * rename the test group to use whole correct option name * Add comments with explanations to the new tests --- package.json | 2 +- test/server.js | 95 ++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 96 insertions(+), 1 deletion(-) diff --git a/package.json b/package.json index 6d7eecdf..53963e2d 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "2.5.8", + "version": "2.5.9", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "keywords": [ diff --git a/test/server.js b/test/server.js index 9086b437..70c0ff99 100644 --- a/test/server.js +++ b/test/server.js @@ -1481,6 +1481,101 @@ it('supports pre-response CONNECT payload', (done) => { }); }); +describe('supports ignoreUpstreamProxyCertificate', () => { + const serverOptions = { + key: sslKey, + cert: sslCrt, + }; + + const responseMessage = 'Hello World!'; + + it('fails on upstream error', async () => { + const target = https.createServer(serverOptions, (_req, res) => { + res.write(responseMessage); + res.end(); + }); + + await util.promisify(target.listen.bind(target))(0); + + const proxyServer = new ProxyChain.Server({ + port: 6666, + prepareRequestFunction: () => { + return { + upstreamProxyUrl: `https://localhost:${target.address().port}`, + }; + }, + }); + + let proxyServerError = false; + proxyServer.on('requestFailed', () => { + // requestFailed will be called if we pass an invalid proxy url + proxyServerError = true; + }); + + await proxyServer.listen(); + + /** + * request is sent with rejectUnauthorized: true + * so when the SSL certificate is not trusted (self-signed, expired, invalid), client will reject the connection + */ + const response = await requestPromised({ + proxy: 'http://localhost:6666', + url: 'http://httpbin.org/ip', + }); + + expect(proxyServerError).to.be.equal(false); + + expect(response.statusCode).to.be.equal(599); + + proxyServer.close(); + target.close(); + }); + + it('bypass upstream error', async () => { + const target = https.createServer(serverOptions, (_req, res) => { + res.write(responseMessage); + res.end(); + }); + + await util.promisify(target.listen.bind(target))(0); + + const proxyServer = new ProxyChain.Server({ + port: 6666, + prepareRequestFunction: () => { + return { + ignoreUpstreamProxyCertificate: true, + upstreamProxyUrl: `https://localhost:${target.address().port}`, + }; + }, + }); + + let proxyServerError = false; + proxyServer.on('requestFailed', () => { + // requestFailed will be called if we pass an invalid proxy url + proxyServerError = true; + }); + + await proxyServer.listen(); + + /** + * request is sent with rejectUnauthorized: false + * so when the SSL certificate is not trusted (self-signed, expired, invalid), client won't reject the connection + */ + const response = await requestPromised({ + proxy: 'http://localhost:6666', + url: 'http://httpbin.org/ip', + }); + + expect(proxyServerError).to.be.equal(false); + + expect(response.statusCode).to.be.equal(200); + expect(response.body).to.be.equal(responseMessage); + + proxyServer.close(); + target.close(); + }); +}); + // Run all combinations of test parameters const useSslVariants = [ false, From 4e0b251c0363f058c16f526545d7852f76cf2166 Mon Sep 17 00:00:00 2001 From: Yotam Date: Mon, 28 Apr 2025 11:55:11 +0300 Subject: [PATCH 089/109] fix: pass headers as object in chain (#584) --- src/chain.ts | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/src/chain.ts b/src/chain.ts index 86cb8962..06cd1603 100644 --- a/src/chain.ts +++ b/src/chain.ts @@ -13,7 +13,7 @@ import { getBasicAuthorizationHeader } from './utils/get_basic'; interface Options { method: string; - headers: string[]; + headers: Record; path?: string; localAddress?: string; family?: number; @@ -71,25 +71,24 @@ export const chain = ( const options: Options = { method: 'CONNECT', path: request.url, - headers: [ - 'host', - request.url!, - ], + headers: { + host: request.url!, + }, localAddress: handlerOpts.localAddress, family: handlerOpts.ipFamily, lookup: handlerOpts.dnsLookup, }; if (proxy.username || proxy.password) { - options.headers.push('proxy-authorization', getBasicAuthorizationHeader(proxy)); + options.headers['proxy-authorization'] = getBasicAuthorizationHeader(proxy); } const client = proxy.protocol === 'https:' ? https.request(proxy.origin, { - ...options as unknown as https.RequestOptions, + ...options, rejectUnauthorized: !handlerOpts.ignoreUpstreamProxyCertificate, }) - : http.request(proxy.origin, options as unknown as http.RequestOptions); + : http.request(proxy.origin, options); client.once('socket', (targetSocket: SocketWithPreviousStats) => { // Socket can be re-used by multiple requests. From 8e3142bcda0d2d52c337aec2c4f5109ab4a5a129 Mon Sep 17 00:00:00 2001 From: Yurii Bliuchak <1957659+bliuchak@users.noreply.github.com> Date: Tue, 30 Sep 2025 10:42:20 +0200 Subject: [PATCH 090/109] fix: can't run unit tests in docker (#600) --- .github/scripts/before-beta-release.js | 2 + examples/apify_proxy_tunnel.js | 4 +- package.json | 181 +++++++++++++------------ src/tcp_tunnel_tools.ts | 1 + test/Dockerfile | 33 ++--- test/README.md | 50 +++++-- test/server.js | 2 + test/socks.js | 105 +++++++------- 8 files changed, 211 insertions(+), 167 deletions(-) diff --git a/.github/scripts/before-beta-release.js b/.github/scripts/before-beta-release.js index 5b90cf6c..c83cb2f5 100644 --- a/.github/scripts/before-beta-release.js +++ b/.github/scripts/before-beta-release.js @@ -11,6 +11,7 @@ const PACKAGE_NAME = pkgJson.name; const VERSION = pkgJson.version; const nextVersion = getNextVersion(VERSION); +// eslint-disable-next-line no-console console.log(`before-deploy: Setting version to ${nextVersion}`); pkgJson.version = nextVersion; @@ -21,6 +22,7 @@ function getNextVersion(version) { const versions = JSON.parse(versionString); if (versions.some((v) => v === VERSION)) { + // eslint-disable-next-line no-console console.error(`before-deploy: A release with version ${VERSION} already exists. Please increment version accordingly.`); process.exit(1); } diff --git a/examples/apify_proxy_tunnel.js b/examples/apify_proxy_tunnel.js index 1c2fbc7f..f06556ae 100644 --- a/examples/apify_proxy_tunnel.js +++ b/examples/apify_proxy_tunnel.js @@ -20,13 +20,15 @@ const { createTunnel, closeTunnel, redactUrl } = require('proxy-chain'); // The "verbose" option causes a lot of logging const tunnelInfo = await createTunnel(PROXY_URL, TARGET_HOST, { port: 9999, verbose: true }); + // eslint-disable-next-line no-console console.log(`Tunnel to ${TARGET_HOST} via ${redactUrl(PROXY_URL)} established at ${tunnelInfo}...`); // Here we assume por 443 from above, otherwise the service will not be accessible via HTTPS! + // eslint-disable-next-line no-console console.log(`To test it, you can run: curl --verbose https://${tunnelInfo}`); // Wait forever... - await new Promise(() => {}); + await new Promise(() => { }); // Normally, you'd also want to close the tunnel and all open connections await closeTunnel(tunnelInfo, true); diff --git a/package.json b/package.json index 53963e2d..c3730fad 100644 --- a/package.json +++ b/package.json @@ -1,93 +1,94 @@ { - "name": "proxy-chain", - "version": "2.5.9", - "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", - "main": "dist/index.js", - "keywords": [ - "proxy", - "squid", - "apify", - "tunnel", - "puppeteer" - ], - "author": { - "name": "Apify Technologies", - "email": "support@apify.com", - "url": "https://apify.com" - }, - "contributors": [ - "Jan Curn " - ], - "license": "Apache-2.0", - "repository": { - "type": "git", - "url": "git+https://github.com/apify/proxy-chain" - }, - "bugs": { - "url": "https://github.com/apify/proxy-chain/issues" - }, - "homepage": "https://blog.apify.com/how-to-make-headless-chrome-and-puppeteer-use-a-proxy-server-with-authentication-249a21a79212", - "files": [ - "dist" - ], - "scripts": { - "build:watch": "tsc -w", - "build": "tsc", - "clean": "rimraf dist", - "prepublishOnly": "npm run build", - "local-proxy": "node ./dist/run_locally.js", - "test": "nyc cross-env NODE_OPTIONS=--insecure-http-parser mocha --bail", - "lint": "eslint .", - "lint:fix": "eslint . --fix" - }, - "engines": { - "node": ">=14" - }, - "devDependencies": { - "@apify/eslint-config": "^1.0.0", - "@apify/tsconfig": "^0.1.0", - "@types/jest": "^28.1.2", - "@types/node": "^18.8.3", - "basic-auth": "^2.0.1", - "basic-auth-parser": "^0.0.2", - "body-parser": "^1.19.0", - "chai": "^4.3.4", - "cross-env": "^7.0.3", - "eslint": "^9.18.0", - "express": "^4.17.1", - "faye-websocket": "^0.11.4", - "got-scraping": "^3.2.4-beta.0", - "isparta": "^4.1.1", - "mocha": "^10.0.0", - "nyc": "^15.1.0", - "portastic": "^1.0.1", - "proxy": "^1.0.2", - "puppeteer": "^19.6.3", - "request": "^2.88.2", - "rimraf": "^4.1.2", - "sinon": "^13.0.2", - "sinon-stub-promise": "^4.0.0", - "socksv5": "^0.0.6", - "through": "^2.3.8", - "ts-node": "^10.2.1", - "typescript": "^4.4.3", - "typescript-eslint": "^8.20.0", - "underscore": "^1.13.1", - "ws": "^8.2.2" - }, - "nyc": { - "reporter": [ - "text", - "html", - "lcov" + "name": "proxy-chain", + "version": "2.5.9", + "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", + "main": "dist/index.js", + "keywords": [ + "proxy", + "squid", + "apify", + "tunnel", + "puppeteer" ], - "exclude": [ - "**/test/**" - ] - }, - "dependencies": { - "socks": "^2.8.3", - "socks-proxy-agent": "^8.0.3", - "tslib": "^2.3.1" - } + "author": { + "name": "Apify Technologies", + "email": "support@apify.com", + "url": "https://apify.com" + }, + "contributors": [ + "Jan Curn " + ], + "license": "Apache-2.0", + "repository": { + "type": "git", + "url": "git+https://github.com/apify/proxy-chain" + }, + "bugs": { + "url": "https://github.com/apify/proxy-chain/issues" + }, + "homepage": "https://blog.apify.com/how-to-make-headless-chrome-and-puppeteer-use-a-proxy-server-with-authentication-249a21a79212", + "files": [ + "dist" + ], + "scripts": { + "build:watch": "tsc -w", + "build": "tsc", + "clean": "rimraf dist", + "prepublishOnly": "npm run build", + "local-proxy": "node ./dist/run_locally.js", + "test": "nyc cross-env NODE_OPTIONS=--insecure-http-parser mocha --bail", + "test:docker": "docker build --tag proxy-chain-tests --file test/Dockerfile . && docker run proxy-chain-tests", + "lint": "eslint .", + "lint:fix": "eslint . --fix" + }, + "engines": { + "node": ">=14" + }, + "devDependencies": { + "@apify/eslint-config": "^1.0.0", + "@apify/tsconfig": "^0.1.0", + "@types/jest": "^28.1.2", + "@types/node": "^18.8.3", + "basic-auth": "^2.0.1", + "basic-auth-parser": "^0.0.2", + "body-parser": "^1.19.0", + "chai": "^4.3.4", + "cross-env": "^7.0.3", + "eslint": "^9.18.0", + "express": "^4.17.1", + "faye-websocket": "^0.11.4", + "got-scraping": "^3.2.4-beta.0", + "isparta": "^4.1.1", + "mocha": "^10.0.0", + "nyc": "^15.1.0", + "portastic": "^1.0.1", + "proxy": "^1.0.2", + "puppeteer": "^19.6.3", + "request": "^2.88.2", + "rimraf": "^4.1.2", + "sinon": "^13.0.2", + "sinon-stub-promise": "^4.0.0", + "socksv5": "^0.0.6", + "through": "^2.3.8", + "ts-node": "^10.2.1", + "typescript": "^4.4.3", + "typescript-eslint": "^8.20.0", + "underscore": "^1.13.1", + "ws": "^8.2.2" + }, + "nyc": { + "reporter": [ + "text", + "html", + "lcov" + ], + "exclude": [ + "**/test/**" + ] + }, + "dependencies": { + "socks": "^2.8.3", + "socks-proxy-agent": "^8.0.3", + "tslib": "^2.3.1" + } } diff --git a/src/tcp_tunnel_tools.ts b/src/tcp_tunnel_tools.ts index f3c2e001..c2cb9ff0 100644 --- a/src/tcp_tunnel_tools.ts +++ b/src/tcp_tunnel_tools.ts @@ -45,6 +45,7 @@ export async function createTunnel( const server: net.Server & { log?: (...args: unknown[]) => void } = net.createServer(); const log = (...args: unknown[]): void => { + // eslint-disable-next-line no-console if (verbose) console.log(...args); }; diff --git a/test/Dockerfile b/test/Dockerfile index 09bcff1e..82d3daed 100644 --- a/test/Dockerfile +++ b/test/Dockerfile @@ -1,21 +1,22 @@ -# You can use this Dockerfile to run the tests on Linux, -# since the sockets behave a little differently there than on Mac -# -# Usage: -# > docker build . -# > docker run +FROM node:18.20.8-bookworm@sha256:c6ae79e38498325db67193d391e6ec1d224d96c693a8a4d943498556716d3783 -FROM node:10 +RUN apt-get update && apt-get install -y --no-install-recommends chromium=140.0.7339.185-1~deb12u1 \ + && rm -rf /var/lib/apt/lists/* -COPY .. /home/node/ +ENV PUPPETEER_SKIP_CHROMIUM_DOWNLOAD=true +ENV PUPPETEER_EXECUTABLE_PATH=/usr/bin/chromium + +WORKDIR /home/node + +COPY .. . RUN npm --quiet set progress=false \ - && npm install --only=prod --no-optional \ - && echo "Installed NPM packages:" \ - && npm list || true \ - && echo "Node.js version:" \ - && node --version \ - && echo "NPM version:" \ - && npm --version + && npm install --no-optional \ + && echo "Installed NPM packages:" \ + && npm list || true \ + && echo "Node.js version:" \ + && node --version \ + && echo "NPM version:" \ + && npm --version -CMD cd /home/node && npm test +CMD ["npm", "test"] diff --git a/test/README.md b/test/README.md index a5284949..dd47d1a3 100644 --- a/test/README.md +++ b/test/README.md @@ -1,14 +1,46 @@ +# Tests -To run the tests, you need to add the following line to your `/etc/hosts`: +## Docker (recommended) +Since Linux and macOS handle sockets differently, please run tests in a Docker container +to have a consistent Linux environment for running tests. + +```bash +npm run test:docker ``` -# Used by proxy-chain NPM package tests -127.0.0.1 localhost -127.0.0.1 localhost-test -``` -The `localhost` entry is for avoiding dual-stack issues, e.g. when the test server listens at ::1 -(results of getaddrinfo have specifed order) and the client attempts to connect to 127.0.0.1 . +Note: for test in Docker no changes in `/etc/hosts` needed. + +## Local Machine + +### Prerequisites + +1. Node.js 18+ (see `.nvmrc` for exact version) +2. For MacOS with ARM CPUs install Rosetta (workaround for puppeteer) +3. Update `/etc/hosts` + + ```bash + # Used by proxy-chain NPM package tests + 127.0.0.1 localhost + 127.0.0.1 localhost-test + ``` + + The `localhost` entry is for avoiding dual-stack issues, e.g. when the test server listens at ::1 + (results of getaddrinfo have specified order) and the client attempts to connect to 127.0.0.1 . + + The `localhost-test` entry is a workaround to PhantomJS' behavior where it skips proxy servers for + localhost addresses. + +### Run tests + +1. Run all tests + + ```bash + npm run test + ``` + +2. Run specific tests -The `localhost-test` entry is a workaround to PhantomJS' behavior where it skips proxy servers for -localhost addresses. + ```bash + npm run test test/anonymize_proxy.js + ``` diff --git a/test/server.js b/test/server.js index 70c0ff99..0eee8c06 100644 --- a/test/server.js +++ b/test/server.js @@ -80,6 +80,8 @@ const puppeteerGet = (url, proxyUrl) => { HTTP_PROXY: parsed.origin, } : {}, ignoreHTTPSErrors: true, + headless: "new", + args: ['--no-sandbox', '--disable-setuid-sandbox', '--disable-dev-shm-usage'] }); try { diff --git a/test/socks.js b/test/socks.js index 831cfb0c..2a9e8dc8 100644 --- a/test/socks.js +++ b/test/socks.js @@ -21,27 +21,28 @@ describe('SOCKS protocol', () => { socksServer = socksv5.createServer((info, accept) => { accept(); }); - socksServer.listen(socksPort, 'localhost'); - socksServer.useAuth(socksv5.auth.None()); + socksServer.listen(socksPort, '0.0.0.0', () => { + socksServer.useAuth(socksv5.auth.None()); - proxyServer = new ProxyChain.Server({ - port: proxyPort, - prepareRequestFunction() { - return { - upstreamProxyUrl: `socks://localhost:${socksPort}`, - }; - }, + proxyServer = new ProxyChain.Server({ + port: proxyPort, + prepareRequestFunction() { + return { + upstreamProxyUrl: `socks://127.0.0.1:${socksPort}`, + }; + }, + }); + proxyServer.listen(() => { + gotScraping.get({ url: 'https://example.com', proxyUrl: `http://127.0.0.1:${proxyPort}` }) + .then((response) => { + expect(response.body).to.contain('Example Domain'); + done(); + }) + .catch(done); + }); }); - proxyServer.listen(); - - gotScraping.get({ url: 'https://example.com', proxyUrl: `http://127.0.0.1:${proxyPort}` }) - .then((response) => { - expect(response.body).to.contain('Example Domain'); - done(); - }) - .catch(done); }); - }).timeout(5 * 1000); + }).timeout(10 * 1000); it('work with auth', (done) => { portastic.find({ min: 50250, max: 50500 }).then((ports) => { @@ -49,29 +50,30 @@ describe('SOCKS protocol', () => { socksServer = socksv5.createServer((info, accept) => { accept(); }); - socksServer.listen(socksPort, 'localhost'); - socksServer.useAuth(socksv5.auth.UserPassword((user, password, cb) => { - cb(user === 'proxy-ch@in' && password === 'rules!'); - })); + socksServer.listen(socksPort, '0.0.0.0', () => { + socksServer.useAuth(socksv5.auth.UserPassword((user, password, cb) => { + cb(user === 'proxy-ch@in' && password === 'rules!'); + })); - proxyServer = new ProxyChain.Server({ - port: proxyPort, - prepareRequestFunction() { - return { - upstreamProxyUrl: `socks://proxy-ch@in:rules!@localhost:${socksPort}`, - }; - }, + proxyServer = new ProxyChain.Server({ + port: proxyPort, + prepareRequestFunction() { + return { + upstreamProxyUrl: `socks://proxy-ch@in:rules!@127.0.0.1:${socksPort}`, + }; + }, + }); + proxyServer.listen(() => { + gotScraping.get({ url: 'https://example.com', proxyUrl: `http://127.0.0.1:${proxyPort}` }) + .then((response) => { + expect(response.body).to.contain('Example Domain'); + done(); + }) + .catch(done); + }); }); - proxyServer.listen(); - - gotScraping.get({ url: 'https://example.com', proxyUrl: `http://127.0.0.1:${proxyPort}` }) - .then((response) => { - expect(response.body).to.contain('Example Domain'); - done(); - }) - .catch(done); }); - }).timeout(5 * 1000); + }).timeout(10 * 1000); it('works with anonymizeProxy', (done) => { portastic.find({ min: 50500, max: 50750 }).then((ports) => { @@ -79,20 +81,21 @@ describe('SOCKS protocol', () => { socksServer = socksv5.createServer((info, accept) => { accept(); }); - socksServer.listen(socksPort, 'localhost'); - socksServer.useAuth(socksv5.auth.UserPassword((user, password, cb) => { - cb(user === 'proxy-ch@in' && password === 'rules!'); - })); + socksServer.listen(socksPort, '0.0.0.0', () => { + socksServer.useAuth(socksv5.auth.UserPassword((user, password, cb) => { + cb(user === 'proxy-ch@in' && password === 'rules!'); + })); - ProxyChain.anonymizeProxy({ port: proxyPort, url: `socks://proxy-ch@in:rules!@localhost:${socksPort}` }).then((anonymizedProxyUrl) => { - anonymizeProxyUrl = anonymizedProxyUrl; - gotScraping.get({ url: 'https://example.com', proxyUrl: anonymizedProxyUrl }) - .then((response) => { - expect(response.body).to.contain('Example Domain'); - done(); - }) - .catch(done); + ProxyChain.anonymizeProxy({ port: proxyPort, url: `socks://proxy-ch@in:rules!@127.0.0.1:${socksPort}` }).then((anonymizedProxyUrl) => { + anonymizeProxyUrl = anonymizedProxyUrl; + gotScraping.get({ url: 'https://example.com', proxyUrl: anonymizedProxyUrl }) + .then((response) => { + expect(response.body).to.contain('Example Domain'); + done(); + }) + .catch(done); + }); }); }); - }).timeout(5 * 1000); + }).timeout(10 * 1000); }); From f30cf89b68a0fa4e1d268951ea251fa71c141a55 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jind=C5=99ich=20B=C3=A4r?= Date: Mon, 10 Nov 2025 09:16:38 +0100 Subject: [PATCH 091/109] perf: do not publish `tsbuildinfo` file to npm (#618) --- package.json | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/package.json b/package.json index c3730fad..93cacaa6 100644 --- a/package.json +++ b/package.json @@ -28,7 +28,8 @@ }, "homepage": "https://blog.apify.com/how-to-make-headless-chrome-and-puppeteer-use-a-proxy-server-with-authentication-249a21a79212", "files": [ - "dist" + "dist", + "!**/*.tsbuildinfo" ], "scripts": { "build:watch": "tsc -w", From d1786889df9c6a30d2df602caaeb59f016694131 Mon Sep 17 00:00:00 2001 From: Pasha Dudka Date: Tue, 18 Nov 2025 09:29:04 -0800 Subject: [PATCH 092/109] feat: add http/https agent support for connection pooling (#619) --- README.md | 41 ++++++ package.json | 2 +- src/chain.ts | 8 +- src/chain_socks.ts | 6 + src/forward.ts | 8 +- src/forward_socks.ts | 6 + src/server.ts | 7 + test/Dockerfile | 2 +- test/http-agent.js | 343 +++++++++++++++++++++++++++++++++++++++++++ 9 files changed, 419 insertions(+), 4 deletions(-) create mode 100644 test/http-agent.js diff --git a/README.md b/README.md index 44934f7a..f16e624c 100644 --- a/README.md +++ b/README.md @@ -110,6 +110,47 @@ server.on('requestFailed', ({ request, error }) => { }); ``` +## Use custom HTTP agents for connection pooling + +You can provide custom HTTP/HTTPS agents to enable connection pooling and reuse with upstream proxies. This is particularly useful for maintaining sticky IP addresses or reducing connection overhead: + +```javascript +const http = require('http'); +const https = require('https'); +const ProxyChain = require('proxy-chain'); + +// Create agents with keepAlive to enable connection pooling +const httpAgent = new http.Agent({ + keepAlive: true, + maxSockets: 10, +}); + +const httpsAgent = new https.Agent({ + keepAlive: true, + maxSockets: 10, +}); + +const server = new ProxyChain.Server({ + port: 8000, + prepareRequestFunction: ({ request }) => { + return { + upstreamProxyUrl: 'http://proxy.example.com:8080', + // Or for HTTPS upstream proxy: 'https://proxy.example.com:8080' + + // Agents enable connection pooling to upstream proxy + httpAgent, // Used for HTTP upstream proxies + httpsAgent, // Used for HTTPS upstream proxies + }; + }, +}); + +server.listen(() => { + console.log(`Proxy server is listening on port ${server.port}`); +}); +``` + +**Note:** Custom agents are only supported for HTTP and HTTPS upstream proxies. SOCKS upstream proxies use direct socket connections and do not support custom agents. + ## SOCKS support SOCKS protocol is supported for versions 4 and 5, specifically: `['socks', 'socks4', 'socks4a', 'socks5', 'socks5h']`, where `socks` will default to version 5. diff --git a/package.json b/package.json index 93cacaa6..28bcb49e 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "2.5.9", + "version": "2.6.0", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "keywords": [ diff --git a/src/chain.ts b/src/chain.ts index 06cd1603..1cf64b58 100644 --- a/src/chain.ts +++ b/src/chain.ts @@ -27,6 +27,8 @@ export interface HandlerOpts { ipFamily?: number; dnsLookup?: typeof dns['lookup']; customTag?: unknown; + httpAgent?: http.Agent; + httpsAgent?: https.Agent; } interface ChainOpts { @@ -87,8 +89,12 @@ export const chain = ( ? https.request(proxy.origin, { ...options, rejectUnauthorized: !handlerOpts.ignoreUpstreamProxyCertificate, + agent: handlerOpts.httpsAgent, }) - : http.request(proxy.origin, options); + : http.request(proxy.origin, { + ...options, + agent: handlerOpts.httpAgent, + }); client.once('socket', (targetSocket: SocketWithPreviousStats) => { // Socket can be re-used by multiple requests. diff --git a/src/chain_socks.ts b/src/chain_socks.ts index de2b8c14..1b03c70c 100644 --- a/src/chain_socks.ts +++ b/src/chain_socks.ts @@ -34,6 +34,12 @@ const socksProtocolToVersionNumber = (protocol: string): 4 | 5 => { }; /** + * Tunnels CONNECT requests through a SOCKS upstream proxy. + * + * **Note:** Custom HTTP/HTTPS agents (`httpAgent`, `httpsAgent`) from `prepareRequestFunction` + * are not supported with SOCKS upstream proxies. SOCKS establishes direct TCP socket connections + * using the SocksClient, which bypasses HTTP agent connection pooling. + * * Client -> Apify (CONNECT) -> Upstream (SOCKS) -> Web * Client <- Apify (CONNECT) <- Upstream (SOCKS) <- Web */ diff --git a/src/forward.ts b/src/forward.ts index b7c656f6..f7bda205 100644 --- a/src/forward.ts +++ b/src/forward.ts @@ -29,6 +29,8 @@ export interface HandlerOpts { localAddress?: string; ipFamily?: number; dnsLookup?: typeof dns['lookup']; + httpAgent?: http.Agent; + httpsAgent?: https.Agent; } /** @@ -118,9 +120,13 @@ export const forward = async ( ? https.request(origin!, { ...options as unknown as https.RequestOptions, rejectUnauthorized: handlerOpts.upstreamProxyUrlParsed ? !handlerOpts.ignoreUpstreamProxyCertificate : undefined, + agent: handlerOpts.httpsAgent, }, requestCallback) - : http.request(origin!, options as unknown as http.RequestOptions, requestCallback); + : http.request(origin!, { + ...options as unknown as http.RequestOptions, + agent: handlerOpts.httpAgent, + }, requestCallback); client.once('socket', (socket: SocketWithPreviousStats) => { // Socket can be re-used by multiple requests. diff --git a/src/forward_socks.ts b/src/forward_socks.ts index 4595db44..05598724 100644 --- a/src/forward_socks.ts +++ b/src/forward_socks.ts @@ -26,6 +26,12 @@ export interface HandlerOpts { } /** + * Forwards HTTP requests through a SOCKS upstream proxy. + * + * **Note:** Custom HTTP/HTTPS agents (`httpAgent`, `httpsAgent`) from `prepareRequestFunction` + * are not supported with SOCKS upstream proxies. SOCKS uses direct socket connections + * managed by the SocksProxyAgent, which does not utilize HTTP agents. + * * ``` * Client -> Apify (HTTP) -> Upstream (SOCKS) -> Web * Client <- Apify (HTTP) <- Upstream (SOCKS) <- Web diff --git a/src/server.ts b/src/server.ts index 41fba80d..f584caaa 100644 --- a/src/server.ts +++ b/src/server.ts @@ -3,6 +3,7 @@ import { Buffer } from 'node:buffer'; import type dns from 'node:dns'; import { EventEmitter } from 'node:events'; import http from 'node:http'; +import type https from 'node:https'; import type net from 'node:net'; import { URL } from 'node:url'; import util from 'node:util'; @@ -63,6 +64,8 @@ type HandlerOpts = { ipFamily?: number; dnsLookup?: typeof dns['lookup']; customTag?: unknown; + httpAgent?: http.Agent; + httpsAgent?: https.Agent; }; export type PrepareRequestFunctionOpts = { @@ -86,6 +89,8 @@ export type PrepareRequestFunctionResult = { ipFamily?: number; dnsLookup?: typeof dns['lookup']; customTag?: unknown; + httpAgent?: http.Agent; + httpsAgent?: https.Agent; }; type Promisable = T | Promise; @@ -453,6 +458,8 @@ export class Server extends EventEmitter { handlerOpts.dnsLookup = funcResult.dnsLookup; handlerOpts.customConnectServer = funcResult.customConnectServer; handlerOpts.customTag = funcResult.customTag; + handlerOpts.httpAgent = funcResult.httpAgent; + handlerOpts.httpsAgent = funcResult.httpsAgent; // If not authenticated, request client to authenticate if (funcResult.requestAuthentication) { diff --git a/test/Dockerfile b/test/Dockerfile index 82d3daed..9f92b4f1 100644 --- a/test/Dockerfile +++ b/test/Dockerfile @@ -1,6 +1,6 @@ FROM node:18.20.8-bookworm@sha256:c6ae79e38498325db67193d391e6ec1d224d96c693a8a4d943498556716d3783 -RUN apt-get update && apt-get install -y --no-install-recommends chromium=140.0.7339.185-1~deb12u1 \ +RUN apt-get update && apt-get install -y --no-install-recommends chromium=142.0.7444.134-1~deb12u1 \ && rm -rf /var/lib/apt/lists/* ENV PUPPETEER_SKIP_CHROMIUM_DOWNLOAD=true diff --git a/test/http-agent.js b/test/http-agent.js new file mode 100644 index 00000000..d4368f37 --- /dev/null +++ b/test/http-agent.js @@ -0,0 +1,343 @@ +const fs = require('fs'); +const path = require('path'); +const http = require('http'); +const https = require('https'); +const { expect } = require('chai'); +const portastic = require('portastic'); +const proxy = require('proxy'); +const request = require('request'); + +const { Server } = require('../src/index'); +const { TargetServer } = require('./utils/target_server'); + +const sslKey = fs.readFileSync(path.join(__dirname, 'ssl.key')); +const sslCrt = fs.readFileSync(path.join(__dirname, 'ssl.crt')); + +describe('HTTP Agent Support', () => { + let mainProxyServer; + let mainProxyServerPort; + let upstreamProxyServer; + let upstreamProxyPort; + let targetServer; + let targetServerUrl; + + before(async () => { + // Get free ports + const freePorts = await portastic.find({ min: 50000, max: 50100 }); + + // Setup target server + const targetServerPort = freePorts.shift(); + targetServer = new TargetServer({ + port: targetServerPort, + useSsl: false, + }); + await targetServer.listen(); + targetServerUrl = `http://localhost:${targetServerPort}`; + + // Setup upstream proxy server + upstreamProxyPort = freePorts.shift(); + await new Promise((resolve, reject) => { + upstreamProxyServer = proxy(http.createServer()); + upstreamProxyServer.listen(upstreamProxyPort, (err) => { + if (err) return reject(err); + resolve(); + }); + }); + + // Setup main proxy server with custom agents + mainProxyServerPort = freePorts.shift(); + }); + + after(() => { + if (targetServer) targetServer.close(); + if (upstreamProxyServer) upstreamProxyServer.close(); + if (mainProxyServer) mainProxyServer.close(true); + }); + + it('httpAgent smoke test - no exceptions', async () => { + const httpAgent = new http.Agent({ keepAlive: true }); + const httpsAgent = new https.Agent({ keepAlive: true }); + + if (mainProxyServer) await mainProxyServer.close(true); + + mainProxyServer = new Server({ + port: mainProxyServerPort, + prepareRequestFunction: () => { + return { + upstreamProxyUrl: `http://localhost:${upstreamProxyPort}`, + httpAgent, + httpsAgent, + }; + }, + }); + + await mainProxyServer.listen(); + + // Make HTTP request through the proxy + await new Promise((resolve, reject) => { + request({ + url: `${targetServerUrl}/hello-world`, + proxy: `http://localhost:${mainProxyServerPort}`, + }, (error, response) => { + if (error) return reject(error); + expect(response.statusCode).to.eql(200); + resolve(); + }); + }); + + // Cleanup agents + httpAgent.destroy(); + httpsAgent.destroy(); + }); + + it('works without agents (backward compatibility)', async () => { + if (mainProxyServer) await mainProxyServer.close(true); + + mainProxyServer = new Server({ + port: mainProxyServerPort, + prepareRequestFunction: () => { + return { + upstreamProxyUrl: `http://localhost:${upstreamProxyPort}`, + // No agents provided - should work fine + }; + }, + }); + + await mainProxyServer.listen(); + + // Make HTTP request through the proxy + await new Promise((resolve, reject) => { + request({ + url: `${targetServerUrl}/hello-world`, + proxy: `http://localhost:${mainProxyServerPort}`, + }, (error, response) => { + if (error) return reject(error); + expect(response.statusCode).to.eql(200); + resolve(); + }); + }); + }); + + it('preserves getConnectionStats with agents', async () => { + if (mainProxyServer) await mainProxyServer.close(true); + + const httpAgent = new http.Agent({ keepAlive: true }); + let connectionId; + + mainProxyServer = new Server({ + port: mainProxyServerPort, + prepareRequestFunction: ({ connectionId: id }) => { + connectionId = id; + return { + upstreamProxyUrl: `http://localhost:${upstreamProxyPort}`, + httpAgent, + }; + }, + }); + + await mainProxyServer.listen(); + + // Make HTTP request + await new Promise((resolve, reject) => { + request({ + url: `${targetServerUrl}/hello-world`, + proxy: `http://localhost:${mainProxyServerPort}`, + forever: true, // Keep socket alive + }, (error, response) => { + if (error) return reject(error); + expect(response.statusCode).to.eql(200); + + // Keep the connection alive briefly to check stats + setImmediate(() => resolve()); + }); + }); + + // Verify getConnectionStats works while connection may still be open + expect(connectionId).to.be.a('number'); + const stats = mainProxyServer.getConnectionStats(connectionId); + expect(stats).to.be.an('object'); + expect(stats.srcTxBytes).to.be.a('number'); + expect(stats.srcTxBytes).to.be.greaterThan(0); + expect(stats.srcRxBytes).to.be.a('number'); + expect(stats.srcRxBytes).to.be.greaterThan(0); + expect(stats.trgTxBytes).to.be.a('number'); + expect(stats.trgTxBytes).to.be.greaterThan(0); + expect(stats.trgRxBytes).to.be.a('number'); + expect(stats.trgRxBytes).to.be.greaterThan(0); + + httpAgent.destroy(); + }); + + it('works with HTTPS targets using CONNECT tunneling', async () => { + if (mainProxyServer) await mainProxyServer.close(true); + + // Close existing HTTP target server + const originalTargetServer = targetServer; + const originalTargetServerUrl = targetServerUrl; + await targetServer.close(); + + // Setup HTTPS target server on new port. Use different range to avoid conflicts with http server + const httpsFreePorts = await portastic.find({ min: 50100, max: 50200 }); + const httpsTargetPort = httpsFreePorts.shift(); + + targetServer = new TargetServer({ + port: httpsTargetPort, + useSsl: true, + sslKey, + sslCrt, + }); + await targetServer.listen(); + const httpsTargetUrl = `https://localhost:${httpsTargetPort}`; + + const httpAgent = new http.Agent({ + keepAlive: true, + maxSockets: 1, + }); + + let requestCount = 0; + + mainProxyServer = new Server({ + port: mainProxyServerPort, + prepareRequestFunction: () => { + requestCount++; + return { + upstreamProxyUrl: `http://localhost:${upstreamProxyPort}`, + httpAgent, + }; + }, + }); + + await mainProxyServer.listen(); + + // Make multiple HTTPS requests through CONNECT tunnel + for (let i = 0; i < 2; i++) { + await new Promise((resolve, reject) => { + request({ + url: `${httpsTargetUrl}/hello-world`, + proxy: `http://localhost:${mainProxyServerPort}`, + strictSSL: false, // Allow self-signed cert + }, (error, response) => { + if (error) return reject(error); + expect(response.statusCode).to.eql(200); + resolve(); + }); + }); + } + + // Verify both requests were handled + expect(requestCount).to.eql(2); + + httpAgent.destroy(); + + // Restore original HTTP target server + await targetServer.close(); + targetServer = originalTargetServer; + targetServerUrl = originalTargetServerUrl; + await targetServer.listen(); + }); + + it('pools connections with HTTP upstream proxy', async () => { + if (mainProxyServer) await mainProxyServer.close(true); + if (upstreamProxyServer) upstreamProxyServer.close(); + + let httpUpstreamConnectionCount = 0; + + // Setup HTTP upstream proxy with connection tracking + await new Promise((resolve, reject) => { + const httpServer = http.createServer(); + httpServer.on('connection', () => { + httpUpstreamConnectionCount++; + }); + + upstreamProxyServer = proxy(httpServer); + upstreamProxyServer.listen(upstreamProxyPort, (err) => { + if (err) return reject(err); + resolve(); + }); + }); + + const httpAgent = new http.Agent({ + keepAlive: true, + maxSockets: 1, + }); + + mainProxyServer = new Server({ + port: mainProxyServerPort, + prepareRequestFunction: () => { + return { + upstreamProxyUrl: `http://localhost:${upstreamProxyPort}`, + httpAgent, + }; + }, + }); + + await mainProxyServer.listen(); + + // Make multiple HTTP requests through HTTP upstream proxy + for (let i = 0; i < 3; i++) { + await new Promise((resolve, reject) => { + request({ + url: `${targetServerUrl}/hello-world`, + proxy: `http://localhost:${mainProxyServerPort}`, + }, (error, response) => { + if (error) return reject(error); + expect(response.statusCode).to.eql(200); + resolve(); + }); + }); + } + + // Verify httpAgent pools connections to HTTP upstream (1 connection for 3 requests) + expect(httpUpstreamConnectionCount).to.eql(1, 'httpAgent should pool connections to HTTP upstream'); + + httpAgent.destroy(); + }); + + it('works with HTTPS upstream proxy', async () => { + if (mainProxyServer) await mainProxyServer.close(true); + + const httpsAgent = new https.Agent({ keepAlive: true }); + + let httpsUpstreamRequests = 0; + + mainProxyServer = new Server({ + port: mainProxyServerPort, + prepareRequestFunction: () => { + httpsUpstreamRequests++; + return { + // Use non-existent HTTPS upstream - request will fail but proves code path works + upstreamProxyUrl: `https://non-existent-https-proxy.example.com:8080`, + ignoreUpstreamProxyCertificate: true, + httpsAgent, + }; + }, + }); + + await mainProxyServer.listen(); + + // Make request - will fail to connect to non-existent HTTPS upstream + let errorOccurred = false; + await new Promise((resolve) => { + request({ + url: `${targetServerUrl}/hello-world`, + proxy: `http://localhost:${mainProxyServerPort}`, + timeout: 2000, + }, (error, response) => { + if (error) { + errorOccurred = true; + } else if (response && response.statusCode >= 500) { + // 5xx error from proxy indicates upstream connection issue + errorOccurred = true; + } + resolve(); + }); + }); + + // Verify prepareRequestFunction was called with HTTPS upstream + expect(httpsUpstreamRequests).to.eql(1); + // Request should fail or return 5xx due to non-existent HTTPS upstream + expect(errorOccurred).to.be.true; + + httpsAgent.destroy(); + }); +}); From a8344fb2a8096db8791a618f49f3489b8f89d299 Mon Sep 17 00:00:00 2001 From: Yurii Bliuchak <1957659+bliuchak@users.noreply.github.com> Date: Fri, 28 Nov 2025 15:37:56 +0100 Subject: [PATCH 093/109] fix: log error message on socket only when there are no other handlers (#623) --- src/server.ts | 2 +- test/Dockerfile | 17 +++++--------- test/README.md | 22 ++++++++++++++---- test/server.js | 60 +++++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 85 insertions(+), 16 deletions(-) diff --git a/src/server.ts b/src/server.ts index f584caaa..d9fec52c 100644 --- a/src/server.ts +++ b/src/server.ts @@ -249,7 +249,7 @@ export class Server extends EventEmitter { // See https://github.com/apify/proxy-chain/issues/53 socket.on('error', (err) => { // Handle errors only if there's no other handler - if (this.listenerCount('error') === 1) { + if (socket.listenerCount('error') === 1) { this.log(socket.proxyChainId, `Source socket emitted error: ${err.stack || err}`); } }); diff --git a/test/Dockerfile b/test/Dockerfile index 9f92b4f1..d8aad04b 100644 --- a/test/Dockerfile +++ b/test/Dockerfile @@ -1,6 +1,6 @@ FROM node:18.20.8-bookworm@sha256:c6ae79e38498325db67193d391e6ec1d224d96c693a8a4d943498556716d3783 -RUN apt-get update && apt-get install -y --no-install-recommends chromium=142.0.7444.134-1~deb12u1 \ +RUN apt-get update && apt-get install -y --no-install-recommends chromium \ && rm -rf /var/lib/apt/lists/* ENV PUPPETEER_SKIP_CHROMIUM_DOWNLOAD=true @@ -8,15 +8,10 @@ ENV PUPPETEER_EXECUTABLE_PATH=/usr/bin/chromium WORKDIR /home/node -COPY .. . +COPY --chown=node:node package*.json ./ +RUN npm --quiet set progress=false && npm install --no-optional +COPY --chown=node:node . . -RUN npm --quiet set progress=false \ - && npm install --no-optional \ - && echo "Installed NPM packages:" \ - && npm list || true \ - && echo "Node.js version:" \ - && node --version \ - && echo "NPM version:" \ - && npm --version +USER node -CMD ["npm", "test"] +ENTRYPOINT [ "npm", "test", "--" ] diff --git a/test/README.md b/test/README.md index dd47d1a3..99c1bead 100644 --- a/test/README.md +++ b/test/README.md @@ -5,9 +5,23 @@ Since Linux and macOS handle sockets differently, please run tests in a Docker container to have a consistent Linux environment for running tests. -```bash -npm run test:docker -``` +1. Run all tests + + ```bash + npm run test:docker + ``` + +2. Run a specific test file + + ```bash + npm run test:docker test/server.js + ``` + +3. Run all `direct ipv6` test cases across all tests + + ```bash + npm run test:docker test/server.js -- --grep "direct ipv6" + ``` Note: for test in Docker no changes in `/etc/hosts` needed. @@ -39,7 +53,7 @@ Note: for test in Docker no changes in `/etc/hosts` needed. npm run test ``` -2. Run specific tests +2. Run a specific test file ```bash npm run test test/anonymize_proxy.js diff --git a/test/server.js b/test/server.js index 0eee8c06..5f884f3a 100644 --- a/test/server.js +++ b/test/server.js @@ -1647,3 +1647,63 @@ useSslVariants.forEach((useSsl) => { }); }); }); + +describe('Socket error handler regression test', () => { + let server; + let logs = []; + const originalLog = console.log; + + before(() => { + console.log = (...args) => { + logs.push(args.join(' ')); + originalLog.apply(console, args); + }; + }); + + after(() => { + console.log = originalLog; + }); + + beforeEach(() => { + logs = []; + }); + + afterEach(async () => { + if (server) { + await server.close(true); + server = null; + } + }); + + // The bug was checking `this.listenerCount('error')` (Server) instead of `socket.listenerCount('error')`. + // By adding an error listener to the Server, we make server.listenerCount('error') === 1. + // With buggy code: condition becomes TRUE (1 === 1) and incorrectly logs. + // With fixed code: condition stays FALSE (socket has 2 listeners, 2 !== 1) and correctly doesn't log. + it('does not log when server has 1 error listener but socket has multiple', (done) => { + server = new Server({ port: 0, verbose: true }); + + server.on('error', () => {}); + + server.server.once('connection', (serverSocket) => { + setImmediate(() => { + expect(server.listenerCount('error')).to.equal(1); + expect(serverSocket.listenerCount('error')).to.equal(2); + + serverSocket.emit('error', new Error('Regression test error')); + + setTimeout(() => { + const hasLog = logs.some((log) => log.includes('Source socket emitted error') && log.includes('Regression test error')); + + expect(hasLog).to.equal(false, 'Should check socket.listenerCount, not this.listenerCount (server)'); + + serverSocket.destroy(); + done(); + }, 50); + }); + }); + + server.listen().then(() => { + net.connect(server.port, '127.0.0.1'); + }); + }); +}); From c947a3110205aaccab97b817a50b5ad613911ce6 Mon Sep 17 00:00:00 2001 From: Yurii Bliuchak <1957659+bliuchak@users.noreply.github.com> Date: Fri, 28 Nov 2025 15:46:17 +0100 Subject: [PATCH 094/109] chore: bump package version (#624) --- package.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package.json b/package.json index 28bcb49e..1d760f98 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "2.6.0", + "version": "2.6.1", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "keywords": [ From c585e598dbec0dc11256f2d6649fdaa54ad5d8de Mon Sep 17 00:00:00 2001 From: Yurii Bliuchak <1957659+bliuchak@users.noreply.github.com> Date: Mon, 1 Dec 2025 10:31:34 +0100 Subject: [PATCH 095/109] fix: add missing resolve() when headers are already send using forward handlers (#625) Both forward and forward_socks are affected. --- src/forward.ts | 1 + src/forward_socks.ts | 1 + 2 files changed, 2 insertions(+) diff --git a/src/forward.ts b/src/forward.ts index f7bda205..2c9b6ab9 100644 --- a/src/forward.ts +++ b/src/forward.ts @@ -140,6 +140,7 @@ export const forward = async ( request.pipe(client); client.on('error', (error: NodeJS.ErrnoException) => { if (response.headersSent) { + resolve(); return; } diff --git a/src/forward_socks.ts b/src/forward_socks.ts index 05598724..95867586 100644 --- a/src/forward_socks.ts +++ b/src/forward_socks.ts @@ -96,6 +96,7 @@ export const forwardSocks = async ( request.pipe(client); client.on('error', (error: NodeJS.ErrnoException) => { if (response.headersSent) { + resolve(); return; } From b4d262083df440d8114876887f6df9e10204626f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Franti=C5=A1ek=20Nesveda?= Date: Tue, 9 Dec 2025 16:18:56 +0100 Subject: [PATCH 096/109] chore(ci): Clean up workflows, switch to publishing through OIDC (#627) * chore(ci): Clean up workflows, switch to publishing through OIDC * Don't run tests on newer Node.js versions just yet --- .github/workflows/check.yaml | 92 ++++++++--------------- .github/workflows/release.yaml | 131 +++++++++------------------------ 2 files changed, 63 insertions(+), 160 deletions(-) diff --git a/.github/workflows/check.yaml b/.github/workflows/check.yaml index 4f608306..d35e6327 100644 --- a/.github/workflows/check.yaml +++ b/.github/workflows/check.yaml @@ -3,72 +3,38 @@ name: Check on: - pull_request: + pull_request: + workflow_call: jobs: - # NPM install is done in a separate job and cached to speed up the following jobs. - build_and_test: - name: Build & Test - if: ${{ !contains(github.event.head_commit.message, '[skip ci]') }} - runs-on: ${{ matrix.os }} + lint_and_test: + name: Lint & Test + if: ${{ !contains(github.event.head_commit.message, '[skip ci]') }} + runs-on: ubuntu-22.04 - strategy: - matrix: - os: [ubuntu-22.04] # add windows-latest later - node-version: [14, 16, 18] + strategy: + matrix: + node-version: [14, 16, 18] - steps: - - - uses: actions/checkout@v2 - - - name: Use Node.js ${{ matrix.node-version }} - uses: actions/setup-node@v1 - with: - node-version: ${{ matrix.node-version }} - - - name: Cache Node Modules - if: ${{ matrix.node-version == 18 }} - uses: actions/cache@v4 - with: - path: | - node_modules - build - key: cache-${{ github.run_id }}-v18 - - - name: Install Dependencies - run: npm install - - - name: Add localhost-test to Linux hosts file - if: ${{ matrix.os == 'ubuntu-22.04' }} - run: sudo echo "127.0.0.1 localhost-test" | sudo tee -a /etc/hosts -# - -# name: Add localhost-test to Windows hosts file -# if: ${{ matrix.os == 'windows-latest' }} -# run: echo "`n127.0.0.1 localhost-test">>C:\Windows\System32\drivers\etc\hosts - - - name: Run Tests - run: npm test + steps: + - name: Checkout repository + uses: actions/checkout@v6 - lint: - name: Lint - needs: [build_and_test] - runs-on: ubuntu-22.04 + - name: Use Node.js ${{ matrix.node-version }} + uses: actions/setup-node@v6 + with: + node-version: ${{ matrix.node-version }} - steps: - - - uses: actions/checkout@v2 - - - name: Use Node.js 18 - uses: actions/setup-node@v1 - with: - node-version: 18 - - - name: Load Cache - uses: actions/cache@v4 - with: - path: | - node_modules - build - key: cache-${{ github.run_id }}-v18 - - - run: npm run lint + - name: Install Dependencies + run: npm install + + # Lint only on the latest Node.js version to save time. + - name: Lint code + if: ${{ matrix.node-version == 18 }} + run: npm run lint + + - name: Add localhost-test to Linux hosts file + run: sudo echo "127.0.0.1 localhost-test" | sudo tee -a /etc/hosts + + - name: Run Tests + run: npm test diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml index ea9a4b95..434bb4f5 100644 --- a/.github/workflows/release.yaml +++ b/.github/workflows/release.yaml @@ -7,114 +7,51 @@ on: - master # A release via GitHub releases will deploy a latest version release: - types: [ published ] + types: [published] + +# Necessary permissions for publishing to NPM with OIDC +permissions: + contents: write + id-token: write jobs: - # NPM install is done in a separate job and cached to speed up the following jobs. - build_and_test: - name: Build & Test - if: ${{ !contains(github.event.head_commit.message, '[skip ci]') }} - runs-on: ${{ matrix.os }} + lint_and_test: + name: Lint and test + uses: ./.github/workflows/check.yaml - strategy: - matrix: - os: [ubuntu-22.04] # add windows-latest later - node-version: [14, 16, 18] + deploy: + name: Publish to NPM + needs: [lint_and_test] + runs-on: ubuntu-22.04 steps: - - - uses: actions/checkout@v2 - - - name: Use Node.js ${{ matrix.node-version }} - uses: actions/setup-node@v1 - with: - node-version: ${{ matrix.node-version }} - - - name: Cache Node Modules - if: ${{ matrix.node-version == 18 }} - uses: actions/cache@v4 + - name: Checkout repository + uses: actions/checkout@v6 + + - name: Use Node.js 24 + uses: actions/setup-node@v6 with: - path: | - node_modules - build - key: cache-${{ github.run_id }}-v18 - - - name: Install Dependencies + node-version: 24 + + - name: Install dependencies run: npm install - - name: Add localhost-test to Linux hosts file - if: ${{ matrix.os == 'ubuntu-22.04' }} - run: sudo echo "127.0.0.1 localhost-test" | sudo tee -a /etc/hosts -# - -# name: Add localhost-test to Windows hosts file -# if: ${{ matrix.os == 'windows-latest' }} -# run: echo "`n127.0.0.1 localhost-test">>C:\Windows\System32\drivers\etc\hosts - - - name: Run Tests - run: npm test - lint: - name: Lint - needs: [build_and_test] - runs-on: ubuntu-22.04 + # Determine if this is a beta or latest release + - name: Get release tag + id: get_release_tag + run: echo "release_tag=$(if [ ${{ github.event_name }} = release ]; then echo latest; else echo beta; fi)" >> $GITHUB_OUTPUT - steps: - - - uses: actions/checkout@v2 - - - name: Use Node.js 18 - uses: actions/setup-node@v1 - with: - node-version: 18 - - - name: Load Cache - uses: actions/cache@v4 - with: - path: | - node_modules - build - key: cache-${{ github.run_id }}-v18 - - - run: npm run lint + # Check version consistency and increment pre-release version number for beta only. + - name: Bump pre-release version + if: steps.get_release_tag.outputs.release_tag == 'beta' + run: node ./.github/scripts/before-beta-release.js + - name: Publish to NPM + run: npm publish --tag ${{ steps.get_release_tag.outputs.release_tag }} - # The deploy job is long but there are only 2 important parts. NPM publish - # and triggering of docker image builds in the apify-actor-docker repo. - deploy: - name: Publish to NPM - needs: [lint] - runs-on: ubuntu-22.04 - steps: - - - uses: actions/checkout@v2 - - - uses: actions/setup-node@v1 - with: - node-version: 18 - registry-url: https://registry.npmjs.org/ - - - name: Load Cache - uses: actions/cache@v4 - with: - path: | - node_modules - build - key: cache-${{ github.run_id }}-v18 - - - # Determine if this is a beta or latest release - name: Set Release Tag - run: echo "RELEASE_TAG=$(if [ ${{ github.event_name }} = release ]; then echo latest; else echo beta; fi)" >> $GITHUB_ENV - - - # Check version consistency and increment pre-release version number for beta only. - name: Bump pre-release version - if: env.RELEASE_TAG == 'beta' - run: node ./.github/scripts/before-beta-release.js - - - name: Publish to NPM - run: NODE_AUTH_TOKEN=${{secrets.NPM_TOKEN}} npm publish --tag ${{ env.RELEASE_TAG }} --access public - - - # Latest version is tagged by the release process so we only tag beta here. - name: Tag Version - if: env.RELEASE_TAG == 'beta' + # Latest version is tagged by the release process so we only tag beta here. + - name: Tag version + if: steps.get_release_tag.outputs.release_tag == 'beta' run: | git_tag=v`node -p "require('./package.json').version"` git tag $git_tag From a9449bc4320cb238168cedae31f8651ceb213ff9 Mon Sep 17 00:00:00 2001 From: Yurii Bliuchak <1957659+bliuchak@users.noreply.github.com> Date: Thu, 11 Dec 2025 10:00:37 +0100 Subject: [PATCH 097/109] feat: add https proxy server implementation (#626) --- README.md | 93 ++++++++++ package.json | 7 +- scripts/test-docker-all.sh | 29 ++++ src/server.ts | 112 ++++++++++-- test/Dockerfile | 3 +- test/https-server.js | 339 +++++++++++++++++++++++++++++++++++++ test/https-stress-test.js | 161 ++++++++++++++++++ test/server.js | 271 +++++++++++++++++++++-------- 8 files changed, 928 insertions(+), 87 deletions(-) create mode 100755 scripts/test-docker-all.sh create mode 100644 test/https-server.js create mode 100644 test/https-stress-test.js diff --git a/README.md b/README.md index f16e624c..cb682c1b 100644 --- a/README.md +++ b/README.md @@ -110,6 +110,99 @@ server.on('requestFailed', ({ request, error }) => { }); ``` +## Run a simple HTTPS proxy server + +This example demonstrates how to create an HTTPS proxy server with a self-signed certificate. The HTTPS proxy server works identically to the HTTP version but with TLS encryption. + +```javascript +const fs = require('fs'); +const path = require('path'); +const ProxyChain = require('proxy-chain'); + +(async () => { + // TODO: update these lines to use your own key and cert + const sslKey = fs.readFileSync(path.join(__dirname, 'ssl.key')); + const sslCrt = fs.readFileSync(path.join(__dirname, 'ssl.crt')); + + const server = new ProxyChain.Server({ + // Main difference between 'http' and 'https' is additional event listening: + // + // http + // -> listen for 'connection' events to track raw TCP sockets + // + // https: + // -> listen for 'securedConnection' events (instead of 'connection') to track only post-TLS-handshake sockets + // -> additionally listen for 'tlsError' events to handle TLS handshake errors + // + // Default value is 'http' + serverType: 'https', + + // Provide the TLS certificate and private key + httpsOptions: { + key: sslKey, + cert: sslCrt, + }, + + // Port where the server will listen + port: 8443, + + // Enable verbose logging to see what's happening + verbose: true, + + // Optional: Add authentication and upstream proxy configuration + prepareRequestFunction: ({ username, hostname, port }) => { + console.log(`Request to ${hostname}:${port} from user: ${username || 'anonymous'}`); + + // Allow the request + return {}; + }, + }); + + // Handle failed HTTP/HTTPS requests + server.on('requestFailed', ({ request, error }) => { + console.log(`Request ${request.url} failed`); + console.error(error); + }); + + // Handle TLS handshake errors + server.on('tlsError', ({ error, socket }) => { + console.error(`TLS error from ${socket.remoteAddress}: ${error.message}`); + }); + + // Emitted when HTTP/HTTPS connection is closed + server.on('connectionClosed', ({ connectionId, stats }) => { + console.log(`Connection ${connectionId} closed`); + console.dir(stats); + }); + + // Start the server + await server.listen(); + + // Handle graceful shutdown + process.on('SIGINT', async () => { + console.log('\nShutting down server...'); + await server.close(true); + console.log('Server closed.'); + process.exit(0); + }); + + // Keep the server running + await new Promise(() => { }); +})(); +``` + +Run server: + +```bash +node https_proxy_server.js +``` + +Send request via proxy: + +```bash +curl --proxy-insecure -x https://localhost:8443 -k https://example.com +``` + ## Use custom HTTP agents for connection pooling You can provide custom HTTP/HTTPS agents to enable connection pooling and reuse with upstream proxies. This is particularly useful for maintaining sticky IP addresses or reducing connection overhead: diff --git a/package.json b/package.json index 1d760f98..6127829d 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "2.6.1", + "version": "2.7.0", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "keywords": [ @@ -37,8 +37,9 @@ "clean": "rimraf dist", "prepublishOnly": "npm run build", "local-proxy": "node ./dist/run_locally.js", - "test": "nyc cross-env NODE_OPTIONS=--insecure-http-parser mocha --bail", - "test:docker": "docker build --tag proxy-chain-tests --file test/Dockerfile . && docker run proxy-chain-tests", + "test": "nyc cross-env NODE_OPTIONS=--insecure-http-parser mocha", + "test:docker": "docker build --tag proxy-chain-tests --file test/Dockerfile . && docker run proxy-chain-tests", + "test:docker:all": "bash scripts/test-docker-all.sh", "lint": "eslint .", "lint:fix": "eslint . --fix" }, diff --git a/scripts/test-docker-all.sh b/scripts/test-docker-all.sh new file mode 100755 index 00000000..2df81ec0 --- /dev/null +++ b/scripts/test-docker-all.sh @@ -0,0 +1,29 @@ +#!/bin/bash + +echo "Starting parallel Docker tests for Node 14, 16, and 18..." + +# Run builds in parallel, capture PIDs. +docker build --build-arg NODE_IMAGE=node:14.21.3-bullseye --tag proxy-chain-tests:node14 --file test/Dockerfile . && docker run proxy-chain-tests:node14 & +pid14=$! +docker build --build-arg NODE_IMAGE=node:16.20.2-bookworm --tag proxy-chain-tests:node16 --file test/Dockerfile . && docker run proxy-chain-tests:node16 & +pid16=$! +docker build --build-arg NODE_IMAGE=node:18.20.8-bookworm --tag proxy-chain-tests:node18 --file test/Dockerfile . && docker run proxy-chain-tests:node18 & +pid18=$! + +# Wait for all and capture exit codes. +wait $pid14 +ec14=$? +wait $pid16 +ec16=$? +wait $pid18 +ec18=$? + +echo "" +echo "========== Results ==========" +echo "Node 14: $([ $ec14 -eq 0 ] && echo 'PASS' || echo 'FAIL')" +echo "Node 16: $([ $ec16 -eq 0 ] && echo 'PASS' || echo 'FAIL')" +echo "Node 18: $([ $ec18 -eq 0 ] && echo 'PASS' || echo 'FAIL')" +echo "=============================" + +# Exit with non-zero if any failed. +exit $((ec14 + ec16 + ec18)) diff --git a/src/server.ts b/src/server.ts index d9fec52c..6295c724 100644 --- a/src/server.ts +++ b/src/server.ts @@ -3,7 +3,7 @@ import { Buffer } from 'node:buffer'; import type dns from 'node:dns'; import { EventEmitter } from 'node:events'; import http from 'node:http'; -import type https from 'node:https'; +import https from 'node:https'; import type net from 'node:net'; import { URL } from 'node:url'; import util from 'node:util'; @@ -19,7 +19,7 @@ import type { HandlerOpts as ForwardOpts } from './forward'; import { forward } from './forward'; import { forwardSocks } from './forward_socks'; import { RequestError } from './request_error'; -import type { Socket } from './socket'; +import type { Socket, TLSSocket } from './socket'; import { badGatewayStatusCodes } from './statuses'; import { getTargetStats } from './utils/count_target_bytes'; import { nodeify } from './utils/nodeify'; @@ -41,10 +41,23 @@ export const SOCKS_PROTOCOLS = ['socks:', 'socks4:', 'socks4a:', 'socks5:', 'soc const DEFAULT_AUTH_REALM = 'ProxyChain'; const DEFAULT_PROXY_SERVER_PORT = 8000; +const HTTPS_DEFAULT_OPTIONS = { + // Disable TLS 1.0 and 1.1 (deprecated, insecure). + // All other TLS settings use Node.js defaults for cipher selection (automatically updated). + minVersion: 'TLSv1.2', +} as const; + +/** + * Connection statistics for bandwidth tracking. + */ export type ConnectionStats = { + // Bytes sent by proxy to client. srcTxBytes: number; + // Bytes received by proxy from client. srcRxBytes: number; + // Bytes sent by proxy to target. trgTxBytes: number | null; + // Bytes received by proxy from target. trgRxBytes: number | null; }; @@ -96,10 +109,31 @@ export type PrepareRequestFunctionResult = { type Promisable = T | Promise; export type PrepareRequestFunction = (opts: PrepareRequestFunctionOpts) => Promisable; +type ServerOptionsBase = { + port?: number; + host?: string; + prepareRequestFunction?: PrepareRequestFunction; + verbose?: boolean; + authRealm?: unknown; +}; + +export type HttpServerOptions = ServerOptionsBase & { + serverType?: 'http'; +}; + +export type HttpsServerOptions = ServerOptionsBase & { + serverType: 'https'; + httpsOptions: https.ServerOptions; +}; + +export type ServerOptions = HttpServerOptions | HttpsServerOptions; + /** * Represents the proxy server. * It emits the 'requestFailed' event on unexpected request errors, with the following parameter `{ error, request }`. * It emits the 'connectionClosed' event when connection to proxy server is closed, with parameter `{ connectionId, stats }`. + * It emits the 'tlsError' event on TLS handshake failures (HTTPS servers only), with parameter `{ error, socket }`. + * with parameter `{ connectionId, reason, hasParent, parentType }`. */ export class Server extends EventEmitter { port: number; @@ -112,7 +146,9 @@ export class Server extends EventEmitter { verbose: boolean; - server: http.Server; + server: http.Server | https.Server; + + serverType: 'http' | 'https'; lastHandlerId: number; @@ -124,6 +160,9 @@ export class Server extends EventEmitter { * Initializes a new instance of Server class. * @param options * @param [options.port] Port where the server will listen. By default 8000. + * @param [options.serverType] Type of server to create: 'http' or 'https'. By default 'http'. + * @param [options.httpsOptions] HTTPS server options (required when serverType is 'https'). + * Accepts standard Node.js https.ServerOptions including key, cert, ca, passphrase, etc. * @param [options.prepareRequestFunction] Custom function to authenticate proxy requests, * provide URL to upstream proxy or potentially provide a function that generates a custom response to HTTP requests. * It accepts a single parameter which is an object: @@ -154,13 +193,7 @@ export class Server extends EventEmitter { * @param [options.authRealm] Realm used in the Proxy-Authenticate header and also in the 'Server' HTTP header. By default it's `ProxyChain`. * @param [options.verbose] If true, the server will output logs */ - constructor(options: { - port?: number, - host?: string, - prepareRequestFunction?: PrepareRequestFunction, - verbose?: boolean, - authRealm?: unknown, - } = {}) { + constructor(options: ServerOptions = {}) { super(); if (options.port === undefined || options.port === null) { @@ -174,11 +207,43 @@ export class Server extends EventEmitter { this.authRealm = options.authRealm || DEFAULT_AUTH_REALM; this.verbose = !!options.verbose; - this.server = http.createServer(); + // Keep legacy behavior (http) as default behavior. + this.serverType = options.serverType === 'https' ? 'https' : 'http'; + + if (options.serverType === 'https') { + if (!options.httpsOptions) { + throw new Error('httpsOptions is required when serverType is "https"'); + } + + // Apply secure TLS defaults (user options can override). + const effectiveOptions: https.ServerOptions = { + ...HTTPS_DEFAULT_OPTIONS, + honorCipherOrder: true, + ...options.httpsOptions, + }; + + this.server = https.createServer(effectiveOptions); + } else { + this.server = http.createServer(); + } + + // Attach common event handlers (same for both HTTP and HTTPS). this.server.on('clientError', this.onClientError.bind(this)); this.server.on('request', this.onRequest.bind(this)); this.server.on('connect', this.onConnect.bind(this)); - this.server.on('connection', this.onConnection.bind(this)); + + // Attach connection tracking based on server type. + // Only listen to one connection event to avoid double registration. + if (this.serverType === 'https') { + // For HTTPS: Track only post-TLS-handshake sockets (secureConnection). + // This ensures we track the TLS-wrapped socket with correct bytesRead/bytesWritten. + this.server.on('secureConnection', this.onConnection.bind(this)); + // Handle TLS handshake errors to prevent server crashes. + this.server.on('tlsClientError', this.onTLSClientError.bind(this)); + } else { + // For HTTP: Track raw TCP sockets (connection). + this.server.on('connection', this.onConnection.bind(this)); + } this.lastHandlerId = 0; this.stats = { @@ -189,6 +254,29 @@ export class Server extends EventEmitter { this.connections = new Map(); } + /** + * Handles TLS handshake errors for HTTPS servers. + * Without this handler, unhandled TLS errors can crash the server. + * Common errors: ECONNRESET, ERR_SSL_SSLV3_ALERT_CERTIFICATE_UNKNOWN, + * ERR_SSL_TLSV1_ALERT_PROTOCOL_VERSION, ERR_SSL_SSLV3_ALERT_HANDSHAKE_FAILURE + */ + onTLSClientError(err: NodeJS.ErrnoException, tlsSocket: TLSSocket): void { + const connectionId = (tlsSocket as TLSSocket).proxyChainId; + this.log(connectionId, `TLS handshake failed: ${err.message}`); + + // Emit event in first place before any return statement. + this.emit('tlsError', { error: err, socket: tlsSocket }); + + // If connection already reset or socket not writable, nothing more to do. + if (err.code === 'ECONNRESET' || !tlsSocket.writable) { + return; + } + + // TLS handshake failed before HTTP, cannot send HTTP response. + // Destroy the socket to clean up. + tlsSocket.destroy(err); + } + log(connectionId: unknown, str: string): void { if (this.verbose) { const logPrefix = connectionId != null ? `${String(connectionId)} | ` : ''; diff --git a/test/Dockerfile b/test/Dockerfile index d8aad04b..643033e1 100644 --- a/test/Dockerfile +++ b/test/Dockerfile @@ -1,4 +1,5 @@ -FROM node:18.20.8-bookworm@sha256:c6ae79e38498325db67193d391e6ec1d224d96c693a8a4d943498556716d3783 +ARG NODE_IMAGE=node:18.20.8-bookworm +FROM ${NODE_IMAGE} RUN apt-get update && apt-get install -y --no-install-recommends chromium \ && rm -rf /var/lib/apt/lists/* diff --git a/test/https-server.js b/test/https-server.js new file mode 100644 index 00000000..e9b5ffd6 --- /dev/null +++ b/test/https-server.js @@ -0,0 +1,339 @@ +const fs = require('fs'); +const path = require('path'); +const tls = require('tls'); +const { expect } = require('chai'); +const http = require('http'); +const { Server } = require('../src/index'); + +const sslKey = fs.readFileSync(path.join(__dirname, 'ssl.key')); +const sslCrt = fs.readFileSync(path.join(__dirname, 'ssl.crt')); + +const wait = (timeout) => new Promise((resolve) => setTimeout(resolve, timeout)); + +it('handles TLS handshake failures gracefully and continues accepting connections', async function () { + this.timeout(10000); + + const tlsErrors = []; + + let server = new Server({ + port: 0, + serverType: 'https', + httpsOptions: { + key: sslKey, + cert: sslCrt, + }, + }); + + server.on('tlsError', ({ error }) => { + tlsErrors.push(error); + }); + + await server.listen(); + const serverPort = server.port; + + // Make invalid TLS connection. + const badSocket = tls.connect({ + port: serverPort, + host: '127.0.0.1', + rejectUnauthorized: false, + minVersion: 'TLSv1', + maxVersion: 'TLSv1', + }); + + const badSocketErrorOccurred = await new Promise((resolve, reject) => { + let errorOccurred = false; + + badSocket.on('error', () => { + errorOccurred = true; + // Expected: TLS handshake will fail due to version mismatch. + }); + + badSocket.on('close', () => { + resolve(errorOccurred); + }); + + badSocket.setTimeout(5000, () => { + badSocket.destroy(); + reject(new Error('Bad socket timed out before error')); + }); + + }); + + await wait(100); + + expect(badSocketErrorOccurred).to.equal(true); + + // Make a valid TLS connection to prove server still works. + const goodSocket = tls.connect({ + port: serverPort, + host: '127.0.0.1', + rejectUnauthorized: false, + }); + + // Wait for secure connection. + const goodSocketConnected = await new Promise((resolve, reject) => { + let isConnected = false; + + const timeout = setTimeout(() => { + goodSocket.destroy(); + reject(new Error('Good socket connection timed out')); + }, 5000); + + goodSocket.on('error', (err) => { + clearTimeout(timeout); + goodSocket.destroy(); + reject(err); + }); + + goodSocket.on('secureConnect', () => { + isConnected = true; + clearTimeout(timeout); + resolve(isConnected); + }); + + goodSocket.on('close', () => { + clearTimeout(timeout); + }); + }); + + expect(goodSocketConnected).to.equal(true, 'Good socket should have connected'); + + // Write the CONNECT request. + goodSocket.write('CONNECT example.com:443 HTTP/1.1\r\nHost: example.com:443\r\n\r\n'); + + const response = await new Promise((resolve, reject) => { + const goodSocketTimeout = setTimeout(() => { + goodSocket.destroy(); + reject(new Error('Good socket connection timed out')); + }, 5000); + + goodSocket.on('error', (err) => { + clearTimeout(goodSocketTimeout); + goodSocket.destroy(); + reject(err); + }); + + goodSocket.on('data', (data) => { + clearTimeout(goodSocketTimeout); + goodSocket.destroy(); + resolve(data.toString()); + }); + + goodSocket.on('close', () => { + clearTimeout(goodSocketTimeout); + }); + }); + + await wait(100); + + expect(response).to.be.equal('HTTP/1.1 200 Connection Established\r\n\r\n'); + + expect(tlsErrors.length).to.be.equal(1); + expect(tlsErrors[0].library).to.be.equal('SSL routines'); + expect(tlsErrors[0].reason).to.be.equal('unsupported protocol'); + expect(tlsErrors[0].code).to.be.equal('ERR_SSL_UNSUPPORTED_PROTOCOL'); + + // Cleanup. + server.close(true); + server = null; +}); + +describe('HTTPS proxy server resource cleanup', () => { + let server; + + beforeEach(async () => { + server = new Server({ + port: 0, + serverType: 'https', + httpsOptions: { + key: sslKey, + cert: sslCrt, + }, + }); + await server.listen(); + }); + + afterEach(async () => { + if (server) { + await server.close(true); + server = null; + } + }); + + it('cleans up connections when client disconnects abruptly', async function () { + this.timeout(5000); + + const closedConnections = []; + server.on('connectionClosed', ({ connectionId }) => { + closedConnections.push(connectionId); + }); + + const socket = tls.connect({ + port: server.port, + host: '127.0.0.1', + rejectUnauthorized: false, + }); + + await new Promise((resolve) => socket.on('secureConnect', resolve)); + + // Small delay to ensure server-side connection registration completes. + await wait(100); + + const connectionsBefore = server.getConnectionIds().length; + expect(connectionsBefore).to.equal(1); + + // Abruptly destroy the connection (simulating client crash). + socket.destroy(); + + await new Promise((resolve) => socket.on('close', resolve)); + await wait(100); + + expect(server.getConnectionIds()).to.be.empty; + expect(closedConnections.length).to.equal(1); + }); + + it('cleans up when client closes immediately after CONNECT 200', async function () { + this.timeout(5000); + + const closedConnections = []; + server.on('connectionClosed', ({ connectionId, stats }) => { + closedConnections.push({ connectionId, stats }); + }); + + const socket = tls.connect({ + port: server.port, + host: '127.0.0.1', + rejectUnauthorized: false, + }); + + await new Promise((resolve) => socket.on('secureConnect', resolve)); + + socket.write('CONNECT example.com:443 HTTP/1.1\r\nHost: example.com:443\r\n\r\n'); + + await new Promise((resolve, reject) => { + const timeout = setTimeout(() => reject(new Error('Timeout waiting for CONNECT response')), 3000); + + socket.on('data', (data) => { + if (data.toString().includes('200')) { + clearTimeout(timeout); + socket.destroy(); // Abrupt close. + resolve(); + } + }); + + socket.on('error', () => {}); + }); + + await new Promise((resolve) => socket.on('close', resolve)); + await wait(500); + + expect(server.getConnectionIds()).to.be.empty; + expect(closedConnections.length).to.equal(1); + }); + + it('handles multiple HTTP requests over single TLS connection (keep-alive)', async function () { + this.timeout(10000); + + const targetServer = http.createServer((_, res) => { + res.writeHead(200, { 'Content-Type': 'text/plain' }); + res.end('Hello world!'); + }); + + await new Promise((resolve) => targetServer.listen(0, resolve)); + const targetServerPort = targetServer.address().port; + + try { + const socket = tls.connect({ + port: server.port, + host: '127.0.0.1', + rejectUnauthorized: false, + }); + + await new Promise((resolve) => socket.on('secureConnect', resolve)); + + const responses = []; + + for (let i = 0; i < 3; i++) { + socket.write( + `GET http://127.0.0.1:${targetServerPort}/hello-world HTTP/1.1\r\n` + + `Host: 127.0.0.1\r\n` + + `Connection: keep-alive\r\n\r\n` + ); + + const response = await new Promise((resolve) => { + let data = ''; + const onData = (chunk) => { + data += chunk.toString(); + if (data.includes('Hello world')) { + socket.removeListener('data', onData); + resolve(data); + } + }; + socket.on('data', onData); + }); + + responses.push(response); + + // Verify keep-alive: socket still alive, exactly one connection. + expect(socket.destroyed).to.equal(false); + expect(server.getConnectionIds().length).to.equal(1); + } + + socket.destroy(); + + // Wait a bit for socket cleanup. + await wait(100); + + expect(server.getConnectionIds().length).to.equal(0); + + expect(responses.length).to.equal(3); + responses.forEach((r) => { + expect(r).to.include('200 OK'); + expect(r).to.include('Hello world'); + }); + } finally { + await new Promise((resolve) => targetServer.close(resolve)); + } + }); + + it('handles multiple sequential TLS failures without leaking connections', async function () { + this.timeout(10000); + + const tlsErrors = []; + server.on('tlsError', ({ error }) => tlsErrors.push(error)); + + // 10 sequential failures (sanity check). + for (let i = 0; i < 10; i++) { + const badSocket = tls.connect({ + port: server.port, + host: '127.0.0.1', + minVersion: 'TLSv1', + maxVersion: 'TLSv1', + }); + + await new Promise((resolve) => { + badSocket.on('error', () => {}); + badSocket.on('close', resolve); + }); + } + + await wait(200); + + expect(tlsErrors.length).to.equal(10); + expect(server.getConnectionIds()).to.be.empty; + + // Verify server still works. + const goodSocket = tls.connect({ + port: server.port, + host: '127.0.0.1', + rejectUnauthorized: false, + }); + + await new Promise((resolve, reject) => { + goodSocket.on('secureConnect', resolve); + goodSocket.on('error', reject); + }); + + goodSocket.destroy(); + }); +}); diff --git a/test/https-stress-test.js b/test/https-stress-test.js new file mode 100644 index 00000000..63b1715d --- /dev/null +++ b/test/https-stress-test.js @@ -0,0 +1,161 @@ +const fs = require('fs'); +const path = require('path'); +const tls = require('tls'); +const util = require('util'); +const request = require('request'); +const { expect } = require('chai'); +const { Server } = require('../src/index'); +const { TargetServer } = require('./utils/target_server'); + +const sslKey = fs.readFileSync(path.join(__dirname, 'ssl.key')); +const sslCrt = fs.readFileSync(path.join(__dirname, 'ssl.crt')); + +const requestPromised = util.promisify(request); + +describe('HTTPS proxy stress testing', function () { + this.timeout(60000); + + let server; + let targetServer; + let targetServerPort; + + before(async () => { + targetServer = new TargetServer({ port: 0, useSsl: false }); + await targetServer.listen(); + targetServerPort = targetServer.httpServer.address().port; + }); + + after(async () => { + if (targetServer) await targetServer.close(); + }); + + beforeEach(async () => { + server = new Server({ + port: 0, + serverType: 'https', + httpsOptions: { key: sslKey, cert: sslCrt }, + }); + await server.listen(); + }); + + afterEach(async () => { + if (server) await server.close(true); + }); + + it('handles 100 concurrent HTTP requests with correct responses', async () => { + const REQUESTS = 100; + const results = []; + + const promises = []; + for (let i = 0; i < REQUESTS; i++) { + promises.push( + requestPromised({ + url: `http://127.0.0.1:${targetServerPort}/hello-world`, + proxy: `https://127.0.0.1:${server.port}`, + strictSSL: false, + }).then((response) => { + results.push({ + status: response.statusCode, + body: response.body, + }); + }).catch((err) => { + results.push({ error: err.message }); + }) + ); + } + + await Promise.all(promises); + + const successful = results.filter((r) => r.status === 200 && r.body === 'Hello world!'); + expect(successful.length).to.equal(REQUESTS); + }); + + // Not specific for https but still worth to have. + it('handles 100 concurrent CONNECT tunnels with data verification', async () => { + const TUNNEL_COUNT = 100; + const results = []; + + const promises = []; + for (let i = 0; i < TUNNEL_COUNT; i++) { + promises.push(new Promise((resolve) => { + const socket = tls.connect({ + port: server.port, + host: '127.0.0.1', + rejectUnauthorized: false, + }); + + let requestSent = false; + + socket.on('secureConnect', () => { + socket.write(`CONNECT 127.0.0.1:${targetServerPort} HTTP/1.1\r\nHost: 127.0.0.1\r\n\r\n`); + }); + + let data = ''; + socket.on('data', (chunk) => { + data += chunk.toString(); + + if (data.includes('200 Connection Established') && !requestSent) { + requestSent = true; + socket.write('GET /hello-world HTTP/1.1\r\nHost: 127.0.0.1\r\n\r\n'); + } + + if (data.includes('Hello world')) { + socket.destroy(); + results.push({ success: true }); + resolve(); + } + }); + + socket.on('error', (err) => { + results.push({ error: err.message }); + resolve(); + }); + + setTimeout(() => { + socket.destroy(); + if (!results.some((r) => r.success || r.error)) { + results.push({ error: 'timeout' }); + } + resolve(); + }, 10000); + })); + } + + await Promise.all(promises); + + const successful = results.filter((r) => r.success); + expect(successful.length).to.equal(TUNNEL_COUNT); + }); + + it('tracks accurate statistics for 100 concurrent requests', async () => { + const REQUESTS = 100; + const allStats = []; + + server.on('connectionClosed', ({ stats }) => { + allStats.push(stats); + }); + + const promises = []; + for (let i = 0; i < REQUESTS; i++) { + promises.push( + requestPromised({ + url: `http://127.0.0.1:${targetServerPort}/hello-world`, + proxy: `https://127.0.0.1:${server.port}`, + strictSSL: false, + }) + ); + } + + await Promise.all(promises); + await new Promise((r) => setTimeout(r, 500)); + + expect(allStats.length).to.equal(REQUESTS); + + allStats.forEach((stats) => { + // These are application-layer bytes only (no TLS overhead). + // srcRxBytes > trgTxBytes because hop-by-hop headers (e.g., Proxy-Connection) + // are stripped when forwarding the request to target. + expect(stats).to.be.deep.equal({ srcTxBytes: 174, srcRxBytes: 93, trgTxBytes: 71, trgRxBytes: 174 }); + }); + }); +}); diff --git a/test/server.js b/test/server.js index 5f884f3a..8089dd08 100644 --- a/test/server.js +++ b/test/server.js @@ -3,6 +3,7 @@ const zlib = require('zlib'); const path = require('path'); const stream = require('stream'); const childProcess = require('child_process'); +const tls = require('tls'); const net = require('net'); const dns = require('dns'); const util = require('util'); @@ -75,14 +76,32 @@ const puppeteerGet = (url, proxyUrl) => { return (async () => { const parsed = proxyUrl ? new URL(proxyUrl) : undefined; - const browser = await puppeteer.launch({ - env: parsed ? { - HTTP_PROXY: parsed.origin, - } : {}, + const args = [ + '--no-sandbox', + '--disable-setuid-sandbox', + '--disable-dev-shm-usage' + ]; + + const launchOpts = { ignoreHTTPSErrors: true, - headless: "new", - args: ['--no-sandbox', '--disable-setuid-sandbox', '--disable-dev-shm-usage'] - }); + headless: 'new', + args + }; + + if (parsed) { + if (parsed.protocol === 'https:') { + args.push(`--proxy-server=${parsed.origin}`); + // For HTTPS proxies with self-signed certificates, + // ignore certificate errors on the proxy connection itself. + args.push('--ignore-certificate-errors'); + } else { + launchOpts.env = { + HTTP_PROXY: parsed.origin, + }; + } + } + + const browser = await puppeteer.launch(launchOpts); try { const page = await browser.newPage(); @@ -110,8 +129,13 @@ const puppeteerGet = (url, proxyUrl) => { // This is a regression test for that situation const curlGet = (url, proxyUrl, returnResponse) => { let cmd = 'curl --insecure '; // ignore SSL errors - if (proxyUrl) cmd += `-x ${proxyUrl} `; // use proxy - if (returnResponse) cmd += `--silent --output - ${url}`; // print response to stdout + if (proxyUrl) { + if (proxyUrl.startsWith('https://')) { + cmd += '--proxy-insecure '; + } + cmd += `-x ${proxyUrl} `; // use proxy + } + if (returnResponse) cmd += `--silent --show-error --output - ${url}`; // print response to stdout else cmd += `${url}`; // console.log(`curlGet(): ${cmd}`); @@ -129,7 +153,7 @@ const curlGet = (url, proxyUrl, returnResponse) => { * @return {function(...[*]=)} */ const createTestSuite = ({ - useSsl, useMainProxy, mainProxyAuth, useUpstreamProxy, upstreamProxyAuth, testCustomResponse, + useSsl, useMainProxy, mainProxyAuth, mainProxyServerType, useUpstreamProxy, upstreamProxyAuth, testCustomResponse, }) => { return function () { this.timeout(30 * 1000); @@ -162,13 +186,21 @@ const createTestSuite = ({ let baseUrl; let mainProxyUrl; const getRequestOpts = (pathOrUrl) => { - return { + const opts = { url: pathOrUrl[0] === '/' ? `${baseUrl}${pathOrUrl}` : pathOrUrl, key: sslKey, proxy: mainProxyUrl, headers: {}, timeout: 30000, }; + + // Accept self-signed certificates when connecting to HTTPS proxy. + if (mainProxyServerType === 'https') { + opts.strictSSL = false; + opts.rejectUnauthorized = false; + } + + return opts; }; let counter = 0; @@ -411,6 +443,15 @@ const createTestSuite = ({ opts.authRealm = AUTH_REALM; + // Configure HTTPS proxy server if requested. + if (mainProxyServerType === 'https') { + opts.serverType = 'https'; + opts.httpsOptions = { + key: sslKey, + cert: sslCrt, + }; + } + mainProxyServer = new Server(opts); mainProxyServer.on('connectionClosed', ({ connectionId, stats }) => { @@ -437,7 +478,8 @@ const createTestSuite = ({ if (useMainProxy) { let auth = ''; if (mainProxyAuth) auth = `${mainProxyAuth.username}:${mainProxyAuth.password}@`; - mainProxyUrl = `http://${auth}127.0.0.1:${mainProxyServerPort}`; + const proxySchema = mainProxyServerType === 'https' ? 'https' : 'http'; + mainProxyUrl = `${proxySchema}://${auth}127.0.0.1:${mainProxyServerPort}`; } }); }); @@ -520,9 +562,10 @@ const createTestSuite = ({ upstreamProxyHostname = '127.0.0.1'; } }); - } else if (useMainProxy && process.versions.node.split('.')[0] >= 15) { + } else if (useMainProxy && process.versions.node.split('.')[0] >= 15 && mainProxyServerType !== 'https') { // Version check is required because HTTP/2 negotiation // is not supported on Node.js < 15. + // Note: Skipped for HTTPS proxy - got-scraping has issues with IPv6 + HTTPS proxy combination. _it('direct ipv6', async () => { const opts = getRequestOpts('/hello-world'); @@ -545,9 +588,10 @@ const createTestSuite = ({ expect(response.body).to.eql('Hello world!'); expect(response.statusCode).to.eql(200); }); - } else if (!useSsl && process.versions.node.split('.')[0] >= 15) { + } else if (!useSsl && process.versions.node.split('.')[0] >= 15 && mainProxyServerType !== 'https') { // Version check is required because HTTP/2 negotiation // is not supported on Node.js < 15. + // Note: Skipped for HTTPS proxy - got-scraping has issues with IPv6 + HTTPS proxy combination. _it('forward ipv6', async () => { const opts = getRequestOpts('/hello-world'); @@ -666,6 +710,7 @@ const createTestSuite = ({ }); }); + // TODO: investigate https case. if (!useSsl) { _it('handles double Host header', () => { // This is a regression test, duplication of Host headers caused the proxy to throw @@ -691,10 +736,21 @@ const createTestSuite = ({ + 'Host: dummy2.example.com\r\n\r\n'; } - const client = net.createConnection({ port }, () => { - // console.log('connected to server! sending msg: ' + httpMsg); - client.write(httpMsg); - }); + let client; + if (mainProxyServerType === 'https') { + client = tls.connect({ + port, + host: 'localhost', + rejectUnauthorized: false, + }, () => { + client.write(httpMsg); + }); + } else { + client = net.createConnection({ port }, () => { + client.write(httpMsg); + }); + } + client.on('data', (data) => { // console.log('received data: ' + data.toString()); try { @@ -826,7 +882,11 @@ const createTestSuite = ({ }); }); - if (!mainProxyAuth || (mainProxyAuth.username && mainProxyAuth.password)) { + // Skip on Node 14: HTTPS proxy with upstream proxy causes EPIPE errors. + const isNode14 = process.versions.node.split('.')[0] === '14'; + const skipPuppeteerOnNode14 = isNode14 && mainProxyServerType === 'https' && useUpstreamProxy && !mainProxyAuth; + + if ((!mainProxyAuth || (mainProxyAuth.username && mainProxyAuth.password)) && !skipPuppeteerOnNode14) { it('handles GET request using puppeteer', async () => { const phantomUrl = `${useSsl ? 'https' : 'http'}://${LOCALHOST_TEST}:${targetServerPort}/hello-world`; const response = await puppeteerGet(phantomUrl, mainProxyUrl); @@ -837,7 +897,8 @@ const createTestSuite = ({ if (!useSsl && mainProxyAuth && mainProxyAuth.username && mainProxyAuth.password) { it('handles GET request using puppeteer with invalid credentials', async () => { const phantomUrl = `${useSsl ? 'https' : 'http'}://${LOCALHOST_TEST}:${targetServerPort}/hello-world`; - const response = await puppeteerGet(phantomUrl, `http://bad:password@127.0.0.1:${mainProxyServerPort}`); + const proxySchema = mainProxyServerType === 'https' ? 'https' : 'http'; + const response = await puppeteerGet(phantomUrl, `${proxySchema}://bad:password@127.0.0.1:${mainProxyServerPort}`); expect(response).to.contain('Proxy credentials required'); }); } @@ -855,8 +916,9 @@ const createTestSuite = ({ if (mainProxyAuth && mainProxyAuth.username) { it('handles GET request from curl with invalid credentials', async () => { const curlUrl = `${useSsl ? 'https' : 'http'}://${LOCALHOST_TEST}:${targetServerPort}/hello-world`; + const proxySchema = mainProxyServerType === 'https' ? 'https' : 'http'; // For SSL, we need to return curl's stderr to check what kind of error was there - const output = await curlGet(curlUrl, `http://bad:password@127.0.0.1:${mainProxyServerPort}`, !useSsl); + const output = await curlGet(curlUrl, `${proxySchema}://bad:password@127.0.0.1:${mainProxyServerPort}`, !useSsl); if (useSsl) { expect(output).to.contain.oneOf([ // Old error message before dafdb20a26d0c890e83dea61a104b75408481ebd @@ -927,12 +989,15 @@ const createTestSuite = ({ } it('handles invalid CONNECT path', (done) => { - const req = http.request(mainProxyUrl, { + const requestModule = mainProxyServerType === 'https' ? https : http; + const req = requestModule.request(mainProxyUrl, { method: 'CONNECT', path: ':443', headers: { host: ':443', }, + // Accept self-signed certificates for HTTPS proxy. + rejectUnauthorized: false, }); req.once('connect', (response, socket, head) => { expect(response.statusCode).to.equal(400); @@ -985,14 +1050,26 @@ const createTestSuite = ({ }); server.listen(0, () => { - const req = http.request(mainProxyUrl, { + const proxyUrl = new URL(mainProxyUrl); + const requestModule = proxyUrl.protocol === 'https:' ? https : http; + + const requestOpts = { + hostname: proxyUrl.hostname, + port: proxyUrl.port, method: 'CONNECT', path: `127.0.0.1:${server.address().port}`, headers: { host: `127.0.0.1:${server.address().port}`, 'proxy-authorization': `Basic ${Buffer.from('nopassword').toString('base64')}`, }, - }); + }; + + // Accept self-signed certificates for HTTPS prpxy. + if (proxyUrl.protocol === 'https:') { + requestOpts.rejectUnauthorized = false; + } + + const req = requestModule.request(requestOpts); req.once('connect', (response, socket, head) => { expect(response.statusCode).to.equal(200); expect(head.length).to.equal(0); @@ -1008,29 +1085,31 @@ const createTestSuite = ({ }); it('returns 407 for invalid credentials', () => { + const proxySchema = mainProxyServerType === 'https' ? 'https' : 'http'; + return Promise.resolve() .then(() => { // Test no username and password const opts = getRequestOpts('/whatever'); - opts.proxy = `http://127.0.0.1:${mainProxyServerPort}`; + opts.proxy = `${proxySchema}://127.0.0.1:${mainProxyServerPort}`; return testForErrorResponse(opts, 407); }) .then(() => { // Test good username and invalid password const opts = getRequestOpts('/whatever'); - opts.proxy = `http://${mainProxyAuth.username}:bad-password@127.0.0.1:${mainProxyServerPort}`; + opts.proxy = `${proxySchema}://${mainProxyAuth.username}:bad-password@127.0.0.1:${mainProxyServerPort}`; return testForErrorResponse(opts, 407); }) .then(() => { // Test invalid username and good password const opts = getRequestOpts('/whatever'); - opts.proxy = `http://bad-username:${mainProxyAuth.password}@127.0.0.1:${mainProxyServerPort}`; + opts.proxy = `${proxySchema}://bad-username:${mainProxyAuth.password}@127.0.0.1:${mainProxyServerPort}`; return testForErrorResponse(opts, 407); }) .then(() => { - // Test invalid username and good password + // Test invalid username and bad password const opts = getRequestOpts('/whatever'); - opts.proxy = `http://bad-username:bad-password@127.0.0.1:${mainProxyServerPort}`; + opts.proxy = `${proxySchema}://bad-username:bad-password@127.0.0.1:${mainProxyServerPort}`; return testForErrorResponse(opts, 407); }) .then((response) => { @@ -1579,6 +1658,11 @@ describe('supports ignoreUpstreamProxyCertificate', () => { }); // Run all combinations of test parameters +const mainProxyServerTypeVariants = [ + 'http', + 'https', +]; + const useSslVariants = [ false, true, @@ -1601,48 +1685,53 @@ const upstreamProxyAuthVariants = [ { type: 'Basic', username: 'us%erB', password: 'p$as%sA' }, ]; -useSslVariants.forEach((useSsl) => { - mainProxyAuthVariants.forEach((mainProxyAuth) => { - const baseDesc = `Server (${useSsl ? 'HTTPS' : 'HTTP'} -> Main proxy`; - - // Test custom response separately (it doesn't use upstream proxies) - describe(`${baseDesc} -> Target + custom responses)`, createTestSuite({ - useMainProxy: true, - useSsl, - mainProxyAuth, - testCustomResponse: true, - })); - - useUpstreamProxyVariants.forEach((useUpstreamProxy) => { - // If useUpstreamProxy is not used, only try one variant of upstreamProxyAuth - let variants = upstreamProxyAuthVariants; - if (!useUpstreamProxy) variants = [null]; - - variants.forEach((upstreamProxyAuth) => { - let desc = `${baseDesc} `; - - if (mainProxyAuth) { - if (!mainProxyAuth) desc += 'public '; - else if (mainProxyAuth.username && mainProxyAuth.password) desc += 'with username:password '; - else if (mainProxyAuth.username) desc += 'with username only '; - else desc += 'with password only '; - } - if (useUpstreamProxy) { - desc += '-> Upstream proxy '; - if (!upstreamProxyAuth) desc += 'public '; - else if (upstreamProxyAuth.username && upstreamProxyAuth.password) desc += 'with username:password '; - else if (upstreamProxyAuth.username) desc += 'with username only '; - else desc += 'with password only '; - } - desc += '-> Target)'; - - describe(desc, createTestSuite({ - useMainProxy: true, - useSsl, - useUpstreamProxy, - mainProxyAuth, - upstreamProxyAuth, - })); +mainProxyServerTypeVariants.forEach((mainProxyServerType) => { + useSslVariants.forEach((useSsl) => { + mainProxyAuthVariants.forEach((mainProxyAuth) => { + const proxyTypeLabel = mainProxyServerType === 'https' ? 'HTTPS' : 'HTTP'; + const baseDesc = `Server (${useSsl ? 'HTTPS' : 'HTTP'} -> ${proxyTypeLabel} Main proxy`; + + // Test custom response separately (it doesn't use upstream proxies) + describe(`${baseDesc} -> Target + custom responses)`, createTestSuite({ + useMainProxy: true, + useSsl, + mainProxyAuth, + mainProxyServerType, + testCustomResponse: true, + })); + + useUpstreamProxyVariants.forEach((useUpstreamProxy) => { + // If useUpstreamProxy is not used, only try one variant of upstreamProxyAuth + let variants = upstreamProxyAuthVariants; + if (!useUpstreamProxy) variants = [null]; + + variants.forEach((upstreamProxyAuth) => { + let desc = `${baseDesc} `; + + if (mainProxyAuth) { + if (!mainProxyAuth) desc += 'public '; + else if (mainProxyAuth.username && mainProxyAuth.password) desc += 'with username:password '; + else if (mainProxyAuth.username) desc += 'with username only '; + else desc += 'with password only '; + } + if (useUpstreamProxy) { + desc += '-> Upstream proxy '; + if (!upstreamProxyAuth) desc += 'public '; + else if (upstreamProxyAuth.username && upstreamProxyAuth.password) desc += 'with username:password '; + else if (upstreamProxyAuth.username) desc += 'with username only '; + else desc += 'with password only '; + } + desc += '-> Target)'; + + describe(desc, createTestSuite({ + useMainProxy: true, + useSsl, + useUpstreamProxy, + mainProxyAuth, + mainProxyServerType, + upstreamProxyAuth, + })); + }); }); }); }); @@ -1707,3 +1796,43 @@ describe('Socket error handler regression test', () => { }); }); }); + +describe('Server constructor', () => { + it('should default to "http" when serverType is not specified', async () => { + const server = new Server({ port: 0 }); + await server.listen(); + expect(server.serverType).to.equal('http'); + expect(server.server).to.be.instanceOf(http.Server); + await server.close(true); + }); + + it('should use "http" when explicitly specified', async () => { + const server = new Server({ port: 0, serverType: 'http' }); + await server.listen(); + expect(server.serverType).to.equal('http'); + expect(server.server).to.be.instanceOf(http.Server); + await server.close(true); + }); + + it('should use "https" when explicitly specified with httpsOptions', async () => { + const server = new Server({ + port: 0, + serverType: 'https', + httpsOptions: { key: sslKey, cert: sslCrt } + }); + await server.listen(); + expect(server.serverType).to.equal('https'); + expect(server.server).to.be.instanceOf(https.Server); + await server.close(true); + }); + + it('requires httpsOptions when serverType is "https"', () => { + expect(() => { + new Server({ + port: 0, + serverType: 'https', + }); + }).to.throw('httpsOptions is required when serverType is "https"'); + }); +}); + From 5534c5d387836e1c95800bc80536944f0a0ab9e1 Mon Sep 17 00:00:00 2001 From: Yurii Bliuchak <1957659+bliuchak@users.noreply.github.com> Date: Mon, 12 Jan 2026 16:31:57 +0100 Subject: [PATCH 098/109] fix: correct localhost-test resolving on linux machines (#636) * fix: correct localhost-test resolving on linux machines * fix(test): add try/finally cleanup to TLS handshake test to prevent hangs --- package.json | 2 +- scripts/test-docker-all.sh | 6 +- test/https-server.js | 199 +++++++++++++++++++------------------ 3 files changed, 109 insertions(+), 98 deletions(-) diff --git a/package.json b/package.json index 6127829d..3480470c 100644 --- a/package.json +++ b/package.json @@ -38,7 +38,7 @@ "prepublishOnly": "npm run build", "local-proxy": "node ./dist/run_locally.js", "test": "nyc cross-env NODE_OPTIONS=--insecure-http-parser mocha", - "test:docker": "docker build --tag proxy-chain-tests --file test/Dockerfile . && docker run proxy-chain-tests", + "test:docker": "docker build --tag proxy-chain-tests --file test/Dockerfile . && docker run --add-host localhost-test:127.0.0.1 proxy-chain-tests", "test:docker:all": "bash scripts/test-docker-all.sh", "lint": "eslint .", "lint:fix": "eslint . --fix" diff --git a/scripts/test-docker-all.sh b/scripts/test-docker-all.sh index 2df81ec0..f74721ca 100755 --- a/scripts/test-docker-all.sh +++ b/scripts/test-docker-all.sh @@ -3,11 +3,11 @@ echo "Starting parallel Docker tests for Node 14, 16, and 18..." # Run builds in parallel, capture PIDs. -docker build --build-arg NODE_IMAGE=node:14.21.3-bullseye --tag proxy-chain-tests:node14 --file test/Dockerfile . && docker run proxy-chain-tests:node14 & +docker build --build-arg NODE_IMAGE=node:14.21.3-bullseye --tag proxy-chain-tests:node14 --file test/Dockerfile . && docker run --add-host localhost-test:127.0.0.1 proxy-chain-tests:node14 & pid14=$! -docker build --build-arg NODE_IMAGE=node:16.20.2-bookworm --tag proxy-chain-tests:node16 --file test/Dockerfile . && docker run proxy-chain-tests:node16 & +docker build --build-arg NODE_IMAGE=node:16.20.2-bookworm --tag proxy-chain-tests:node16 --file test/Dockerfile . && docker run --add-host localhost-test:127.0.0.1 proxy-chain-tests:node16 & pid16=$! -docker build --build-arg NODE_IMAGE=node:18.20.8-bookworm --tag proxy-chain-tests:node18 --file test/Dockerfile . && docker run proxy-chain-tests:node18 & +docker build --build-arg NODE_IMAGE=node:18.20.8-bookworm --tag proxy-chain-tests:node18 --file test/Dockerfile . && docker run --add-host localhost-test:127.0.0.1 proxy-chain-tests:node18 & pid18=$! # Wait for all and capture exit codes. diff --git a/test/https-server.js b/test/https-server.js index e9b5ffd6..8ee0ad82 100644 --- a/test/https-server.js +++ b/test/https-server.js @@ -14,128 +14,139 @@ it('handles TLS handshake failures gracefully and continues accepting connection this.timeout(10000); const tlsErrors = []; + let server; + let badSocket; + let goodSocket; - let server = new Server({ - port: 0, - serverType: 'https', - httpsOptions: { - key: sslKey, - cert: sslCrt, - }, - }); + try { + server = new Server({ + port: 0, + serverType: 'https', + httpsOptions: { + key: sslKey, + cert: sslCrt, + }, + }); - server.on('tlsError', ({ error }) => { - tlsErrors.push(error); - }); + server.on('tlsError', ({ error }) => { + tlsErrors.push(error); + }); - await server.listen(); - const serverPort = server.port; + await server.listen(); + const serverPort = server.port; - // Make invalid TLS connection. - const badSocket = tls.connect({ - port: serverPort, - host: '127.0.0.1', - rejectUnauthorized: false, - minVersion: 'TLSv1', - maxVersion: 'TLSv1', - }); + // Make invalid TLS connection. + badSocket = tls.connect({ + port: serverPort, + host: '127.0.0.1', + rejectUnauthorized: false, + minVersion: 'TLSv1', + maxVersion: 'TLSv1', + }); - const badSocketErrorOccurred = await new Promise((resolve, reject) => { - let errorOccurred = false; + const badSocketErrorOccurred = await new Promise((resolve, reject) => { + let errorOccurred = false; - badSocket.on('error', () => { - errorOccurred = true; - // Expected: TLS handshake will fail due to version mismatch. - }); + badSocket.on('error', () => { + errorOccurred = true; + // Expected: TLS handshake will fail due to version mismatch. + }); - badSocket.on('close', () => { - resolve(errorOccurred); - }); + badSocket.on('close', () => { + resolve(errorOccurred); + }); - badSocket.setTimeout(5000, () => { - badSocket.destroy(); - reject(new Error('Bad socket timed out before error')); - }); + badSocket.setTimeout(5000, () => { + badSocket.destroy(); + reject(new Error('Bad socket timed out before error')); + }); - }); + }); - await wait(100); + await wait(100); - expect(badSocketErrorOccurred).to.equal(true); + expect(badSocketErrorOccurred).to.equal(true); - // Make a valid TLS connection to prove server still works. - const goodSocket = tls.connect({ - port: serverPort, - host: '127.0.0.1', - rejectUnauthorized: false, - }); + // Make a valid TLS connection to prove server still works. + goodSocket = tls.connect({ + port: serverPort, + host: '127.0.0.1', + rejectUnauthorized: false, + }); - // Wait for secure connection. - const goodSocketConnected = await new Promise((resolve, reject) => { - let isConnected = false; + // Wait for secure connection. + const goodSocketConnected = await new Promise((resolve, reject) => { + let isConnected = false; - const timeout = setTimeout(() => { - goodSocket.destroy(); - reject(new Error('Good socket connection timed out')); - }, 5000); + const timeout = setTimeout(() => { + goodSocket.destroy(); + reject(new Error('Good socket connection timed out')); + }, 5000); - goodSocket.on('error', (err) => { - clearTimeout(timeout); - goodSocket.destroy(); - reject(err); - }); + goodSocket.on('error', (err) => { + clearTimeout(timeout); + goodSocket.destroy(); + reject(err); + }); - goodSocket.on('secureConnect', () => { - isConnected = true; - clearTimeout(timeout); - resolve(isConnected); - }); + goodSocket.on('secureConnect', () => { + isConnected = true; + clearTimeout(timeout); + resolve(isConnected); + }); - goodSocket.on('close', () => { - clearTimeout(timeout); + goodSocket.on('close', () => { + clearTimeout(timeout); + }); }); - }); - expect(goodSocketConnected).to.equal(true, 'Good socket should have connected'); + expect(goodSocketConnected).to.equal(true, 'Good socket should have connected'); - // Write the CONNECT request. - goodSocket.write('CONNECT example.com:443 HTTP/1.1\r\nHost: example.com:443\r\n\r\n'); + // Write the CONNECT request. + goodSocket.write('CONNECT example.com:443 HTTP/1.1\r\nHost: example.com:443\r\n\r\n'); - const response = await new Promise((resolve, reject) => { - const goodSocketTimeout = setTimeout(() => { - goodSocket.destroy(); - reject(new Error('Good socket connection timed out')); - }, 5000); + const response = await new Promise((resolve, reject) => { + const goodSocketTimeout = setTimeout(() => { + goodSocket.destroy(); + reject(new Error('Good socket connection timed out')); + }, 5000); - goodSocket.on('error', (err) => { - clearTimeout(goodSocketTimeout); - goodSocket.destroy(); - reject(err); - }); + goodSocket.on('error', (err) => { + clearTimeout(goodSocketTimeout); + goodSocket.destroy(); + reject(err); + }); - goodSocket.on('data', (data) => { - clearTimeout(goodSocketTimeout); - goodSocket.destroy(); - resolve(data.toString()); - }); + goodSocket.on('data', (data) => { + clearTimeout(goodSocketTimeout); + goodSocket.destroy(); + resolve(data.toString()); + }); - goodSocket.on('close', () => { - clearTimeout(goodSocketTimeout); + goodSocket.on('close', () => { + clearTimeout(goodSocketTimeout); + }); }); - }); - - await wait(100); - expect(response).to.be.equal('HTTP/1.1 200 Connection Established\r\n\r\n'); + await wait(100); - expect(tlsErrors.length).to.be.equal(1); - expect(tlsErrors[0].library).to.be.equal('SSL routines'); - expect(tlsErrors[0].reason).to.be.equal('unsupported protocol'); - expect(tlsErrors[0].code).to.be.equal('ERR_SSL_UNSUPPORTED_PROTOCOL'); + expect(response).to.be.equal('HTTP/1.1 200 Connection Established\r\n\r\n'); - // Cleanup. - server.close(true); - server = null; + expect(tlsErrors.length).to.be.equal(1); + expect(tlsErrors[0].library).to.be.equal('SSL routines'); + expect(tlsErrors[0].reason).to.be.equal('unsupported protocol'); + expect(tlsErrors[0].code).to.be.equal('ERR_SSL_UNSUPPORTED_PROTOCOL'); + } finally { + if (badSocket && !badSocket.destroyed) { + badSocket.destroy(); + } + if (goodSocket && !goodSocket.destroyed) { + goodSocket.destroy(); + } + if (server) { + await server.close(true); + } + } }); describe('HTTPS proxy server resource cleanup', () => { From 565c4f059fe939e63e6dfb3221cfb81609fef107 Mon Sep 17 00:00:00 2001 From: Yurii Bliuchak <1957659+bliuchak@users.noreply.github.com> Date: Tue, 13 Jan 2026 13:29:15 +0100 Subject: [PATCH 099/109] chore: bump version to release a patch (#639) --- package.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package.json b/package.json index 3480470c..1c0b4485 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "2.7.0", + "version": "2.7.1", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "keywords": [ From fcd89052c7a27eba7ca0ec4c0999703866b59103 Mon Sep 17 00:00:00 2001 From: Yurii Bliuchak <1957659+bliuchak@users.noreply.github.com> Date: Tue, 5 May 2026 16:13:32 +0200 Subject: [PATCH 100/109] feat: release version 3.0 (#652) * feat!: update minimal supported version of Node.js to v20 (#638) * chore: remove typeSocket assertion helper (#653) * feat!: migrate from CJS to ESM (#654) * feat: upgrade typescript to v5 (#655) * feat!: replace nodeify by async/await (#656) * chore: format changelog markdown * docs: add new version info into changelog * chore: bump package version to a major one Close #637 --- ...eta-release.js => before-beta-release.cjs} | 0 .github/workflows/check.yaml | 52 +- .github/workflows/release.yaml | 100 ++-- .mocharc.json | 2 +- CHANGELOG.md | 217 ++++---- README.md | 115 ++--- examples/apify_proxy_tunnel.js | 2 +- package.json | 19 +- scripts/test-docker-all.sh | 34 +- src/anonymize_proxy.ts | 61 +-- src/chain.ts | 10 +- src/chain_socks.ts | 6 +- src/direct.ts | 4 +- src/forward.ts | 15 +- src/forward_socks.ts | 11 +- src/index.ts | 12 +- src/server.ts | 59 +-- src/tcp_tunnel_tools.ts | 48 +- src/utils/count_target_bytes.ts | 12 +- src/utils/get_basic.ts | 2 +- src/utils/nodeify.ts | 16 - src/utils/valid_headers_only.ts | 2 +- test/Dockerfile | 2 +- test/anonymize_proxy.js | 213 +++----- test/anonymize_proxy_no_password.js | 273 ++++------ test/ee-memory-leak.js | 58 +-- test/http-agent.js | 34 +- test/https-server.js | 36 +- test/https-stress-test.js | 30 +- test/phantom_get.js | 42 -- test/server.js | 482 +++++++++--------- test/socks.js | 141 +++-- test/tcp_tunnel.js | 59 +-- test/tools.js | 59 +-- test/utils/run_locally.js | 8 +- test/utils/target_server.js | 24 +- test/utils/testing_tcp_service.js | 2 +- test/utils/throws_async.js | 4 +- tsconfig.json | 16 +- 39 files changed, 1037 insertions(+), 1245 deletions(-) rename .github/scripts/{before-beta-release.js => before-beta-release.cjs} (100%) delete mode 100644 src/utils/nodeify.ts delete mode 100644 test/phantom_get.js diff --git a/.github/scripts/before-beta-release.js b/.github/scripts/before-beta-release.cjs similarity index 100% rename from .github/scripts/before-beta-release.js rename to .github/scripts/before-beta-release.cjs diff --git a/.github/workflows/check.yaml b/.github/workflows/check.yaml index d35e6327..fed9b57e 100644 --- a/.github/workflows/check.yaml +++ b/.github/workflows/check.yaml @@ -3,38 +3,38 @@ name: Check on: - pull_request: - workflow_call: + pull_request: + workflow_call: jobs: - lint_and_test: - name: Lint & Test - if: ${{ !contains(github.event.head_commit.message, '[skip ci]') }} - runs-on: ubuntu-22.04 + lint_and_test: + name: Lint & Test + if: ${{ !contains(github.event.head_commit.message, '[skip ci]') }} + runs-on: ubuntu-24.04 - strategy: - matrix: - node-version: [14, 16, 18] + strategy: + matrix: + node-version: [20, 22, 24] - steps: - - name: Checkout repository - uses: actions/checkout@v6 + steps: + - name: Checkout repository + uses: actions/checkout@v6 - - name: Use Node.js ${{ matrix.node-version }} - uses: actions/setup-node@v6 - with: - node-version: ${{ matrix.node-version }} + - name: Use Node.js ${{ matrix.node-version }} + uses: actions/setup-node@v6 + with: + node-version: ${{ matrix.node-version }} - - name: Install Dependencies - run: npm install + - name: Install Dependencies + run: npm install - # Lint only on the latest Node.js version to save time. - - name: Lint code - if: ${{ matrix.node-version == 18 }} - run: npm run lint + # Lint only on the latest Node.js version to save time. + - name: Lint code + if: ${{ matrix.node-version == 24 }} + run: npm run lint - - name: Add localhost-test to Linux hosts file - run: sudo echo "127.0.0.1 localhost-test" | sudo tee -a /etc/hosts + - name: Add localhost-test to Linux hosts file + run: sudo echo "127.0.0.1 localhost-test" | sudo tee -a /etc/hosts - - name: Run Tests - run: npm test + - name: Run Tests + run: npm test diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml index 434bb4f5..d47241da 100644 --- a/.github/workflows/release.yaml +++ b/.github/workflows/release.yaml @@ -1,58 +1,58 @@ name: Check & Release on: - # Push to master will deploy a beta version - push: - branches: - - master - # A release via GitHub releases will deploy a latest version - release: - types: [published] + # Push to master will deploy a beta version + push: + branches: + - master + # A release via GitHub releases will deploy a latest version + release: + types: [published] # Necessary permissions for publishing to NPM with OIDC permissions: - contents: write - id-token: write + contents: write + id-token: write jobs: - lint_and_test: - name: Lint and test - uses: ./.github/workflows/check.yaml - - deploy: - name: Publish to NPM - needs: [lint_and_test] - runs-on: ubuntu-22.04 - - steps: - - name: Checkout repository - uses: actions/checkout@v6 - - - name: Use Node.js 24 - uses: actions/setup-node@v6 - with: - node-version: 24 - - - name: Install dependencies - run: npm install - - # Determine if this is a beta or latest release - - name: Get release tag - id: get_release_tag - run: echo "release_tag=$(if [ ${{ github.event_name }} = release ]; then echo latest; else echo beta; fi)" >> $GITHUB_OUTPUT - - # Check version consistency and increment pre-release version number for beta only. - - name: Bump pre-release version - if: steps.get_release_tag.outputs.release_tag == 'beta' - run: node ./.github/scripts/before-beta-release.js - - - name: Publish to NPM - run: npm publish --tag ${{ steps.get_release_tag.outputs.release_tag }} - - # Latest version is tagged by the release process so we only tag beta here. - - name: Tag version - if: steps.get_release_tag.outputs.release_tag == 'beta' - run: | - git_tag=v`node -p "require('./package.json').version"` - git tag $git_tag - git push origin $git_tag + lint_and_test: + name: Lint and test + uses: ./.github/workflows/check.yaml + + deploy: + name: Publish to NPM + needs: [lint_and_test] + runs-on: ubuntu-24.04 + + steps: + - name: Checkout repository + uses: actions/checkout@v6 + + - name: Use Node.js 24 + uses: actions/setup-node@v6 + with: + node-version: 24 + + - name: Install dependencies + run: npm install + + # Determine if this is a beta or latest release + - name: Get release tag + id: get_release_tag + run: echo "release_tag=$(if [ ${{ github.event_name }} = release ]; then echo latest; else echo beta; fi)" >> $GITHUB_OUTPUT + + # Check version consistency and increment pre-release version number for beta only. + - name: Bump pre-release version + if: steps.get_release_tag.outputs.release_tag == 'beta' + run: node ./.github/scripts/before-beta-release.cjs + + - name: Publish to NPM + run: npm publish --tag ${{ steps.get_release_tag.outputs.release_tag }} + + # Latest version is tagged by the release process so we only tag beta here. + - name: Tag version + if: steps.get_release_tag.outputs.release_tag == 'beta' + run: | + git_tag=v`node -p "require('./package.json').version"` + git tag $git_tag + git push origin $git_tag diff --git a/.mocharc.json b/.mocharc.json index d22cea1b..68ed90b5 100644 --- a/.mocharc.json +++ b/.mocharc.json @@ -1,3 +1,3 @@ { - "require": "ts-node/register" + "node-option": ["import=tsx"] } diff --git a/CHANGELOG.md b/CHANGELOG.md index 1e4e1544..f5941d9d 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,5 +1,34 @@ -2.0.1 / 2022-05-02 -================== +# 3.0.0 / 2026-05-05 + +This is a major release that modernizes the codebase. The runtime behavior of the +proxy server itself is unchanged; the breaking changes are about how you import, +package, and call the library. + +- **BREAKING:** Dropped support for Node.js older than `20.11`. The minimum supported + version is now Node.js `20.11`. + See [#638](https://github.com/apify/proxy-chain/pull/638), + [#654](https://github.com/apify/proxy-chain/pull/654). +- **BREAKING:** The package is now ESM-only (`"type": "module"` in `package.json`). + Use `import` instead of `require()`. CommonJS consumers must migrate to ESM + (or use a dynamic `import()`). + See [#654](https://github.com/apify/proxy-chain/pull/654). +- **BREAKING:** Removed Node.js-style callbacks from the entire public API. + `Server#listen()`, `Server#close()`, `anonymizeProxy()`, + `closeAnonymizedProxy()`, `createTunnel()`, and `closeTunnel()` now return a + `Promise` only - use `await` or `.then()`. + See [#656](https://github.com/apify/proxy-chain/pull/656). + +- **BREAKING:** `CustomResponse` is now a `type`-only export. If you were importing + it as a value, switch to `import type { CustomResponse } from 'proxy-chain'`. + See [#654](https://github.com/apify/proxy-chain/pull/654). +- Upgraded TypeScript to v5 and adopted `NodeNext` module resolution with + `verbatimModuleSyntax`. + See [#655](https://github.com/apify/proxy-chain/pull/655). +- Internal: removed the unused `typeSocket` assertion helper. + See [#653](https://github.com/apify/proxy-chain/pull/653). + +# 2.0.1 / 2022-05-02 + - Simplify code, fix tests, move to TypeScript [#162](https://github.com/apify/proxy-chain/pull/162) - Bugfix: Memory leak in createTunnel [#160](https://github.com/apify/proxy-chain/issues/160) - Bugfix: Proxy fails to handle non-standard HTTP response in HTTP forwarding mode, on certain websites [#107](https://github.com/apify/proxy-chain/issues/107) @@ -9,27 +38,27 @@ - feat: closeConnection by id [#176](https://github.com/apify/proxy-chain/pull/176) - feat: custom dns lookup [#175](https://github.com/apify/proxy-chain/pull/175) -1.0.3 / 2021-08-17 -================== +# 1.0.3 / 2021-08-17 + - Fixed `EventEmitter` memory leak (see issue [#81](https://github.com/apify/proxy-chain/issues/81)) - Added automated tests for Node 16 - Updated dev dependencies -1.0.2 / 2021-04-14 -================== +# 1.0.2 / 2021-04-14 + - Bugfix: `closeTunnel()` function didn't work because of `runningServers[port].connections.forEach is not a function` error (see issue [#127](https://github.com/apify/proxy-chain/issues/127)) -1.0.1 / 2021-04-09 -================== - - Bugfix: `parseUrl()` result now always includes port for `http(s)`, `ftp` and `ws(s)` (even if explicitly specified port is the default one) - This fixes [#123](https://github.com/apify/proxy-chain/issues/123). +# 1.0.1 / 2021-04-09 + +- Bugfix: `parseUrl()` result now always includes port for `http(s)`, `ftp` and `ws(s)` (even if explicitly specified port is the default one) + This fixes [#123](https://github.com/apify/proxy-chain/issues/123). + +# 1.0.0 / 2021-03-17 -1.0.0 / 2021-03-17 -=================== - **BREAKING:** The `parseUrl()` function slightly changed its behavior (see README for details): - it no longer returns an object on invalid URLs and throws an exception instead - it URI-decodes username and password if possible - (if not, the function keeps the username and password as is) + (if not, the function keeps the username and password as is) - it adds back `auth` property for better backwards compatibility - The above change should make it possible to pass upstream proxy URLs containing special characters, such as `http://user:pass:wrd@proxy.example.com` @@ -53,58 +82,58 @@ - Various code improvements and better tests. - Updated packages. -0.4.9 / 2021-01-26 -=================== +# 0.4.9 / 2021-01-26 + - Bugfix: Added back the `scheme` field to result from `parseUrl()` -0.4.8 / 2021-01-26 -=================== +# 0.4.8 / 2021-01-26 + - Bugfix: `parseUrl()` function now handles IPv6 and other previously unsupported URLs. Fixes issues [#89](https://github.com/apify/proxy-chain/issues/89) and [#67](https://github.com/apify/proxy-chain/issues/67). -0.4.7 / 2021-01-19 -=================== +# 0.4.7 / 2021-01-19 + - Bugfix: `closeTunnel()` function was returning invalid value. see PR [#98](https://github.com/apify/proxy-chain/pull/101). -0.4.6 / 2020-11-09 -=================== +# 0.4.6 / 2020-11-09 + - `Proxy.Server` now supports `port: 0` option to assign the port randomly, - see PR [#98](https://github.com/apify/proxy-chain/pull/98). + see PR [#98](https://github.com/apify/proxy-chain/pull/98). - `anonymizeProxy()` now uses the above port assignment rather than polling for random port => better performance - Updated NPM packages -0.4.5 / 2020-05-15 -=================== +# 0.4.5 / 2020-05-15 + - Added checks for closed handlers, in order to prevent the `Cannot read property 'pipe' of null` errors (see issue [#64](https://github.com/apify/proxy-chain/issues/64)) -0.4.4 / 2020-03-12 -=================== +# 0.4.4 / 2020-03-12 + - Attempt to fix an unhandled exception in `HandlerTunnelChain.onTrgRequestConnect` (see issue [#64](https://github.com/apify/proxy-chain/issues/64)) - Code cleanup -0.4.3 / 2020-03-08 -=================== +# 0.4.3 / 2020-03-08 + - Fixed unhandled `TypeError: Cannot read property '_httpMessage' of null` exception in `HandlerTunnelChain.onTrgRequestConnect` (see issue [#63](https://github.com/apify/proxy-chain/issues/63)) -0.4.2 / 2020-02-28 -=================== +# 0.4.2 / 2020-02-28 + - Bugfix: Prevented attempted double-sending of certain HTTP responses to client, which might have caused some esoteric errors - Error responses now by default have `Content-Type: text/plain; charset=utf-8` instead of `text/html; charset=utf-8` or missing one. -0.4.1 / 2020-02-22 -=================== +# 0.4.1 / 2020-02-22 + - Increased socket end/destroy timeouts from 100ms to 1000ms, to ensure the client receives the data. -0.4.0 / 2020-02-22 -=================== +# 0.4.0 / 2020-02-22 + - **BREAKING CHANGE**: Dropped support for Node.js 9 and lower. - BUGFIX: Consume source socket errors to avoid unhandled exceptions. Fixes [Issue #53](https://github.com/apify/proxy-chain/issues/53). @@ -114,17 +143,17 @@ - Fixed broken tests caused by newly introduced strict HTTP parsing in Node.js. - Fixed broken test on Node.js 10 by adding `NODE_OPTIONS=--insecure-http-parser` env var to `npm test`. -0.3.3 / 2019-12-27 -=================== +# 0.3.3 / 2019-12-27 + - More informative messages for "Invalid upstreamProxyUrl" errors -0.3.2 / 2019-09-17 -=================== +# 0.3.2 / 2019-09-17 + - Bugfix: Prevent the `"TypeError: hostHeader.startsWith is not a function` error in `HandlerForward` by not forwarding duplicate `Host` headers -0.3.1 / 2019-09-07 -=================== +# 0.3.1 / 2019-09-07 + - **BREAKING CHANGE**: `closeAnonymizedProxy` throws on invalid proxy URL - Bugfix: Attempt to prevent the unhandled "write after end" error - Bugfix: Proxy no longer attempts to forward invalid @@ -136,112 +165,112 @@ - Proxy source/target sockets are set to no delay (i.e. disabled Nagle's algorithm), to avoid any caching delays - Improved logging -0.2.7 / 2018-02-19 -=================== +# 0.2.7 / 2018-02-19 + - Updated README -0.2.6 / 2018-12-27 -=================== +# 0.2.6 / 2018-12-27 + - Bugfix: Added `Host` header to `HTTP CONNECT` requests to upstream proxies -0.2.5 / 2018-09-10 -=================== +# 0.2.5 / 2018-09-10 + - Bugfix: Invalid request headers broke proxy chain connection. Now they will be skipped instead. -0.2.4 / 2018-07-27 -=================== +# 0.2.4 / 2018-07-27 + - Bugfix: large custom responses were not delivered completely because the socket was closed too early -0.2.3 / 2018-06-21 -=================== +# 0.2.3 / 2018-06-21 + - Bugfix: 'requestFailed' was emitting `{ request, err }` instead of `{ request, error }` -0.2.2 / 2018-06-19 -=================== +# 0.2.2 / 2018-06-19 + - BREAKING: The 'requestFailed' event now emits object `{ request, error }` instead of just `error` -0.1.35 / 2018-06-12 -=================== +# 0.1.35 / 2018-06-12 + - Bugfix: When target URL cannot be parsed instead of crashing, throw RequestError -0.1.34 / 2018-06-08 -=================== +# 0.1.34 / 2018-06-08 + - Minor improvement: HandlerBase.fail() now supports RequestError -0.1.33 / 2018-06-08 -=================== +# 0.1.33 / 2018-06-08 + - Renamed `customResponseFunc` to `customResponseFunction` and changed parameters for more clarity -0.1.32 / 2018-06-08 -=================== +# 0.1.32 / 2018-06-08 + - Added `customResponseFunc` option to `prepareRequestFunction` to support custom response to HTTP requests -0.1.31 / 2018-05-21 -=================== +# 0.1.31 / 2018-05-21 + - Updated project homepage in package.json -0.1.29 / 2018-04-15 -=================== +# 0.1.29 / 2018-04-15 + - Fix: anonymizeProxy() now supports upstream proxies with empty password -0.1.28 / 2018-03-27 -=================== +# 0.1.28 / 2018-03-27 + - Added `createTunnel()` function to create tunnels through HTTP proxies for arbitrary TCP network connections (eq. connection to mongodb/sql database through HTTP proxy) -0.1.27 / 2018-03-05 -=================== +# 0.1.27 / 2018-03-05 + - Better error messages for common network errors - Pass headers from target socket in HTTPS tunnel chains -0.1.26 / 2018-02-14 -=================== +# 0.1.26 / 2018-02-14 + - If connection is denied because of authentication error, optionally "prepareRequestFunction" can provide error message. -0.1.25 / 2018-02-12 -=================== +# 0.1.25 / 2018-02-12 + - When connection is only through socket, close srcSocket when trgSocket ends -0.1.24 / 2018-02-09 -=================== +# 0.1.24 / 2018-02-09 + - Fixed incorrect closing of ServerResponse object which caused phantomjs to mark resource requests as errors. -0.1.23 / 2018-02-07 -=================== +# 0.1.23 / 2018-02-07 + - Fixed missing variable in "Incorrect protocol" error message. -0.1.22 / 2018-02-05 -=================== +# 0.1.22 / 2018-02-05 + - Renamed project's GitHub organization -0.1.21 / 2018-01-26 -=================== +# 0.1.21 / 2018-01-26 + - Added Server.getConnectionIds() function -0.1.20 / 2018-01-26 -=================== +# 0.1.20 / 2018-01-26 + - Fixed "TypeError: The header content contains invalid characters" bug -0.1.19 / 2018-01-25 -=================== +# 0.1.19 / 2018-01-25 + - fixed uncaught error events, code improved -0.1.18 / 2018-01-25 -=================== +# 0.1.18 / 2018-01-25 + - fixed a memory leak, improved logging and consolidated code -0.1.17 / 2018-01-23 -=================== +# 0.1.17 / 2018-01-23 + - added `connectionClosed` event to notify users about closed proxy connections -0.1.16 / 2018-01-09 -=================== +# 0.1.16 / 2018-01-09 + - added measuring of proxy stats - see `getConnectionStats()` function -0.1.14 / 2017-12-19 -=================== +# 0.1.14 / 2017-12-19 + - added support for multiple headers with the same name (thx shershennm) -0.0.1 / 2017-11-06 -=================== +# 0.0.1 / 2017-11-06 + - Project created diff --git a/README.md b/README.md index cb682c1b..de7809bd 100644 --- a/README.md +++ b/README.md @@ -21,21 +21,20 @@ The proxy-chain package currently supports HTTP/SOCKS forwarding and HTTP CONNEC ## Run a simple HTTP/HTTPS proxy server ```javascript -const ProxyChain = require('proxy-chain'); +import { Server } from 'proxy-chain'; -const server = new ProxyChain.Server({ port: 8000 }); +const server = new Server({ port: 8000 }); -server.listen(() => { - console.log(`Proxy server is listening on port ${server.port}`); -}); +await server.listen(); +console.log(`Proxy server is listening on port ${server.port}`); ``` ## Run a HTTP/HTTPS proxy server with credentials and upstream proxy ```javascript -const ProxyChain = require('proxy-chain'); +import { Server } from 'proxy-chain'; -const server = new ProxyChain.Server({ +const server = new Server({ // Port where the server will listen. By default 8000. port: 8000, @@ -93,10 +92,6 @@ const server = new ProxyChain.Server({ }, }); -server.listen(() => { - console.log(`Proxy server is listening on port ${server.port}`); -}); - // Emitted when HTTP connection is closed server.on('connectionClosed', ({ connectionId, stats }) => { console.log(`Connection ${connectionId} closed`); @@ -108,6 +103,9 @@ server.on('requestFailed', ({ request, error }) => { console.log(`Request ${request.url} failed`); console.error(error); }); + +await server.listen(); +console.log(`Proxy server is listening on port ${server.port}`); ``` ## Run a simple HTTPS proxy server @@ -115,16 +113,16 @@ server.on('requestFailed', ({ request, error }) => { This example demonstrates how to create an HTTPS proxy server with a self-signed certificate. The HTTPS proxy server works identically to the HTTP version but with TLS encryption. ```javascript -const fs = require('fs'); -const path = require('path'); -const ProxyChain = require('proxy-chain'); +import { Server } from 'proxy-chain'; +import fs from 'node:fs'; +import path from 'node:path'; (async () => { // TODO: update these lines to use your own key and cert - const sslKey = fs.readFileSync(path.join(__dirname, 'ssl.key')); - const sslCrt = fs.readFileSync(path.join(__dirname, 'ssl.crt')); + const sslKey = fs.readFileSync(path.join(import.meta.dirname, 'ssl.key')); + const sslCrt = fs.readFileSync(path.join(import.meta.dirname, 'ssl.crt')); - const server = new ProxyChain.Server({ + const server = new Server({ // Main difference between 'http' and 'https' is additional event listening: // // http @@ -208,9 +206,9 @@ curl --proxy-insecure -x https://localhost:8443 -k https://example.com You can provide custom HTTP/HTTPS agents to enable connection pooling and reuse with upstream proxies. This is particularly useful for maintaining sticky IP addresses or reducing connection overhead: ```javascript -const http = require('http'); -const https = require('https'); -const ProxyChain = require('proxy-chain'); +import http from 'node:http'; +import https from 'node:https'; +import { Server } from 'proxy-chain'; // Create agents with keepAlive to enable connection pooling const httpAgent = new http.Agent({ @@ -223,7 +221,7 @@ const httpsAgent = new https.Agent({ maxSockets: 10, }); -const server = new ProxyChain.Server({ +const server = new Server({ port: 8000, prepareRequestFunction: ({ request }) => { return { @@ -237,9 +235,8 @@ const server = new ProxyChain.Server({ }, }); -server.listen(() => { - console.log(`Proxy server is listening on port ${server.port}`); -}); +await server.listen(); +console.log(`Proxy server is listening on port ${server.port}`); ``` **Note:** Custom agents are only supported for HTTP and HTTPS upstream proxies. SOCKS upstream proxies use direct socket connections and do not support custom agents. @@ -309,12 +306,12 @@ The class constructor has the following parameters: `RequestError(body, statusCo By default, the response will have `Content-Type: text/plain; charset=utf-8`. ```javascript -const ProxyChain = require('proxy-chain'); +import { Server, RequestError } from 'proxy-chain'; -const server = new ProxyChain.Server({ +const server = new Server({ prepareRequestFunction: ({ request, username, password, hostname, port, isHttp, connectionId }) => { if (username !== 'bob') { - throw new ProxyChain.RequestError('Only Bob can use this proxy!', 400); + throw new RequestError('Only Bob can use this proxy!', 400); } }, }); @@ -379,9 +376,9 @@ with the following properties: Here is a simple example: ```javascript -const ProxyChain = require('proxy-chain'); +import { Server } from 'proxy-chain'; -const server = new ProxyChain.Server({ +const server = new Server({ port: 8000, prepareRequestFunction: ({ request, username, password, hostname, port, isHttp }) => { return { @@ -395,9 +392,8 @@ const server = new ProxyChain.Server({ }, }); -server.listen(() => { - console.log(`Proxy server is listening on port ${server.port}`); -}); +await server.listen(); +console.log(`Proxy server is listening on port ${server.port}`); ``` ## Routing CONNECT to another HTTP server @@ -406,14 +402,14 @@ While `customResponseFunction` enables custom handling methods such as `GET` and It's possible to route those requests differently using the `customConnectServer` option. It accepts an instance of Node.js HTTP server. ```javascript -const http = require('http'); -const ProxyChain = require('proxy-chain'); +import http from 'node:http'; +import { Server } from 'proxy-chain'; const exampleServer = http.createServer((request, response) => { response.end('Hello from a custom server!'); }); -const server = new ProxyChain.Server({ +const server = new Server({ port: 8000, prepareRequestFunction: ({ request, username, password, hostname, port, isHttp }) => { if (request.url.toLowerCase() === 'example.com:80') { @@ -426,9 +422,8 @@ const server = new ProxyChain.Server({ }, }); -server.listen(() => { - console.log(`Proxy server is listening on port ${server.port}`); -}); +await server.listen(); +console.log(`Proxy server is listening on port ${server.port}`); ``` In the example above, all CONNECT tunnels to `example.com` are overridden. @@ -437,8 +432,9 @@ This is an unsecure server, so it accepts only `http:` requests. In order to intercept `https:` requests, `https.createServer` should be used instead, along with a self signed certificate. ```javascript -const https = require('https'); -const fs = require('fs'); +import https from 'node:https'; +import fs from 'node:fs'; + const key = fs.readFileSync('./test/ssl.key'); const cert = fs.readFileSync('./test/ssl.crt'); @@ -452,17 +448,16 @@ const exampleServer = https.createServer({ ## Closing the server -To shut down the proxy server, call the `close([destroyConnections], [callback])` function. For example: +To shut down the proxy server, call the `close([destroyConnections])` function. For example: ```javascript -server.close(true, () => { - console.log('Proxy server was closed.'); -}); +await server.close(true); +console.log('Proxy server was closed.'); ``` The `closeConnections` parameter indicates whether pending proxy connections should be forcibly closed. If it's `false`, the function will wait until all connections are closed, which can take a long time. -If the `callback` parameter is omitted, the function returns a promise. +The function returns a promise. ## Accessing the CONNECT response headers for proxy tunneling @@ -504,7 +499,7 @@ server.on('tunnelConnectFailed', ({ proxyChainId, response, socket, head, custom The package also provides several utility functions. -### `anonymizeProxy({ url, port }, callback)` +### `anonymizeProxy({ url, port })` Parses and validates a HTTP/HTTPS proxy URL. If the proxy requires authentication, then the function starts an open local proxy server that forwards to the proxy. @@ -513,21 +508,20 @@ The port (on which the local proxy server will start) can be set via the `port` For HTTPS proxy with self-signed certificate, set `ignoreProxyCertificate` property of the first argument to `true` to ignore certificate errors in proxy requests. -The function takes an optional callback that receives the anonymous proxy URL. -If no callback is supplied, the function returns a promise that resolves to a String with -anonymous proxy URL or the original URL if it was already anonymous. +The function returns a promise that resolves to a String with the anonymous proxy URL, +or the original URL if it was already anonymous. The following example shows how you can use a proxy with authentication from headless Chrome and [Puppeteer](https://github.com/GoogleChrome/puppeteer). For details, read this [blog post](https://blog.apify.com/how-to-make-headless-chrome-and-puppeteer-use-a-proxy-server-with-authentication-249a21a79212). ```javascript -const puppeteer = require('puppeteer'); -const proxyChain = require('proxy-chain'); +import puppeteer from 'puppeteer'; +import { anonymizeProxy, closeAnonymizedProxy } from 'proxy-chain'; (async() => { const oldProxyUrl = 'http://bob:password123@proxy.example.com:8000'; - const newProxyUrl = await proxyChain.anonymizeProxy(oldProxyUrl); + const newProxyUrl = await anonymizeProxy(oldProxyUrl); // Prints something like "http://127.0.0.1:45678" console.log(newProxyUrl); @@ -543,11 +537,11 @@ const proxyChain = require('proxy-chain'); await browser.close(); // Clean up - await proxyChain.closeAnonymizedProxy(newProxyUrl, true); + await closeAnonymizedProxy(newProxyUrl, true); })(); ``` -### `closeAnonymizedProxy(anonymizedProxyUrl, closeConnections, callback)` +### `closeAnonymizedProxy(anonymizedProxyUrl, closeConnections)` Closes anonymous proxy previously started by `anonymizeProxy()`. If proxy was not found or was already closed, the function has no effect @@ -556,10 +550,9 @@ and its result is `false`. Otherwise the result is `true`. The `closeConnections` parameter indicates whether pending proxy connections are forcibly closed. If it's `false`, the function will wait until all connections are closed, which can take a long time. -The function takes an optional callback that receives the result Boolean from the function. -If callback is not provided, the function returns a promise instead. +The function returns a promise that resolves to a Boolean. -### `createTunnel(proxyUrl, targetHost, options, callback)` +### `createTunnel(proxyUrl, targetHost, options)` Creates a TCP tunnel to `targetHost` that goes through a HTTP/HTTPS proxy server specified by the `proxyUrl` parameter. @@ -577,8 +570,7 @@ For example, this is useful if you want to access a certain service from a speci The tunnel should be eventually closed by calling the `closeTunnel()` function. -The `createTunnel()` function accepts an optional Node.js-style callback that receives the path to the local endpoint. -If no callback is supplied, the function returns a promise that resolves to a String with +The `createTunnel()` function returns a promise that resolves to a String with the path to the local endpoint. For more information, read this [blog post](https://blog.apify.com/tunneling-arbitrary-protocols-over-http-proxy-with-static-ip-address-b3a2222191ff). @@ -591,7 +583,7 @@ const host = await createTunnel('http://bob:pass123@proxy.example.com:8000', 'se console.log(host); ``` -### `closeTunnel(tunnelString, closeConnections, callback)` +### `closeTunnel(tunnelString, closeConnections)` Closes tunnel previously started by `createTunnel()`. The result value is `false` if the tunnel was not found or was already closed, otherwise it is `true`. @@ -599,8 +591,7 @@ The result value is `false` if the tunnel was not found or was already closed, o The `closeConnections` parameter indicates whether pending connections are forcibly closed. If it's `false`, the function will wait until all connections are closed, which can take a long time. -The function takes an optional callback that receives the result of the function. -If the callback is not provided, the function returns a promise instead. +The function returns a promise that resolves to a Boolean. ### `listenConnectAnonymizedProxy(anonymizedProxyUrl, tunnelConnectRespondedCallback)` diff --git a/examples/apify_proxy_tunnel.js b/examples/apify_proxy_tunnel.js index f06556ae..b5bbf870 100644 --- a/examples/apify_proxy_tunnel.js +++ b/examples/apify_proxy_tunnel.js @@ -1,4 +1,4 @@ -const { createTunnel, closeTunnel, redactUrl } = require('proxy-chain'); +import { closeTunnel, createTunnel, redactUrl } from 'proxy-chain'; // This example demonstrates how to create a tunnel via Apify's HTTP proxy service. // For details, see https://blog.apify.com/tunneling-arbitrary-protocols-over-http-proxy-with-static-ip-address-b3a2222191ff diff --git a/package.json b/package.json index 1c0b4485..2876b57e 100644 --- a/package.json +++ b/package.json @@ -1,8 +1,15 @@ { "name": "proxy-chain", - "version": "2.7.1", + "version": "3.0.0", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", + "type": "module", + "exports": { + ".": { + "types": "./dist/index.d.ts", + "default": "./dist/index.js" + } + }, "keywords": [ "proxy", "squid", @@ -36,7 +43,7 @@ "build": "tsc", "clean": "rimraf dist", "prepublishOnly": "npm run build", - "local-proxy": "node ./dist/run_locally.js", + "local-proxy": "tsx test/utils/run_locally.js", "test": "nyc cross-env NODE_OPTIONS=--insecure-http-parser mocha", "test:docker": "docker build --tag proxy-chain-tests --file test/Dockerfile . && docker run --add-host localhost-test:127.0.0.1 proxy-chain-tests", "test:docker:all": "bash scripts/test-docker-all.sh", @@ -44,13 +51,13 @@ "lint:fix": "eslint . --fix" }, "engines": { - "node": ">=14" + "node": ">=20.11" }, "devDependencies": { "@apify/eslint-config": "^1.0.0", "@apify/tsconfig": "^0.1.0", "@types/jest": "^28.1.2", - "@types/node": "^18.8.3", + "@types/node": "^20.19.29", "basic-auth": "^2.0.1", "basic-auth-parser": "^0.0.2", "body-parser": "^1.19.0", @@ -72,8 +79,8 @@ "sinon-stub-promise": "^4.0.0", "socksv5": "^0.0.6", "through": "^2.3.8", - "ts-node": "^10.2.1", - "typescript": "^4.4.3", + "tsx": "^4.21.0", + "typescript": "^5.9.3", "typescript-eslint": "^8.20.0", "underscore": "^1.13.1", "ws": "^8.2.2" diff --git a/scripts/test-docker-all.sh b/scripts/test-docker-all.sh index f74721ca..2059d5cb 100755 --- a/scripts/test-docker-all.sh +++ b/scripts/test-docker-all.sh @@ -1,29 +1,29 @@ #!/bin/bash -echo "Starting parallel Docker tests for Node 14, 16, and 18..." +echo "Starting parallel Docker tests for Node 20, 22, and 24..." # Run builds in parallel, capture PIDs. -docker build --build-arg NODE_IMAGE=node:14.21.3-bullseye --tag proxy-chain-tests:node14 --file test/Dockerfile . && docker run --add-host localhost-test:127.0.0.1 proxy-chain-tests:node14 & -pid14=$! -docker build --build-arg NODE_IMAGE=node:16.20.2-bookworm --tag proxy-chain-tests:node16 --file test/Dockerfile . && docker run --add-host localhost-test:127.0.0.1 proxy-chain-tests:node16 & -pid16=$! -docker build --build-arg NODE_IMAGE=node:18.20.8-bookworm --tag proxy-chain-tests:node18 --file test/Dockerfile . && docker run --add-host localhost-test:127.0.0.1 proxy-chain-tests:node18 & -pid18=$! +docker build --build-arg NODE_IMAGE=node:20.19.6-bookworm --tag proxy-chain-tests:node20 --file test/Dockerfile . && docker run --add-host localhost-test:127.0.0.1 proxy-chain-tests:node20 & +pid20=$! +docker build --build-arg NODE_IMAGE=node:22.21.1-bookworm --tag proxy-chain-tests:node22 --file test/Dockerfile . && docker run --add-host localhost-test:127.0.0.1 proxy-chain-tests:node22 & +pid22=$! +docker build --build-arg NODE_IMAGE=node:24.12.0-bookworm --tag proxy-chain-tests:node24 --file test/Dockerfile . && docker run --add-host localhost-test:127.0.0.1 proxy-chain-tests:node24 & +pid24=$! # Wait for all and capture exit codes. -wait $pid14 -ec14=$? -wait $pid16 -ec16=$? -wait $pid18 -ec18=$? +wait $pid20 +ec20=$? +wait $pid22 +ec22=$? +wait $pid24 +ec24=$? echo "" echo "========== Results ==========" -echo "Node 14: $([ $ec14 -eq 0 ] && echo 'PASS' || echo 'FAIL')" -echo "Node 16: $([ $ec16 -eq 0 ] && echo 'PASS' || echo 'FAIL')" -echo "Node 18: $([ $ec18 -eq 0 ] && echo 'PASS' || echo 'FAIL')" +echo "Node 20: $([ $ec20 -eq 0 ] && echo 'PASS' || echo 'FAIL')" +echo "Node 22: $([ $ec22 -eq 0 ] && echo 'PASS' || echo 'FAIL')" +echo "Node 24: $([ $ec24 -eq 0 ] && echo 'PASS' || echo 'FAIL')" echo "=============================" # Exit with non-zero if any failed. -exit $((ec14 + ec16 + ec18)) +exit $((ec20 + ec22 + ec24)) diff --git a/src/anonymize_proxy.ts b/src/anonymize_proxy.ts index 9b7cbd8e..736efb76 100644 --- a/src/anonymize_proxy.ts +++ b/src/anonymize_proxy.ts @@ -3,8 +3,7 @@ import type http from 'node:http'; import type net from 'node:net'; import { URL } from 'node:url'; -import { Server, SOCKS_PROTOCOLS } from './server'; -import { nodeify } from './utils/nodeify'; +import { Server, SOCKS_PROTOCOLS } from './server.js'; // Dictionary, key is value returned from anonymizeProxy(), value is Server instance. const anonymizedProxyUrlToServer: Record = {}; @@ -22,7 +21,6 @@ export interface AnonymizeProxyOptions { */ export const anonymizeProxy = async ( options: string | AnonymizeProxyOptions, - callback?: (error: Error | null) => void, ): Promise => { let proxyUrl: string; let port = 0; @@ -52,37 +50,27 @@ export const anonymizeProxy = async ( // If upstream proxy requires no password or if there is no need to ignore HTTPS proxy cert errors, return it directly if (!parsedProxyUrl.username && !parsedProxyUrl.password && (!ignoreProxyCertificate || parsedProxyUrl.protocol !== 'https:')) { - return nodeify(Promise.resolve(proxyUrl), callback); + return proxyUrl; } - let server: Server & { port: number }; - - const startServer = async () => { - return Promise.resolve().then(async () => { - server = new Server({ - // verbose: true, - port, - host: '127.0.0.1', - prepareRequestFunction: () => { - return { - requestAuthentication: false, - upstreamProxyUrl: proxyUrl, - ignoreUpstreamProxyCertificate: ignoreProxyCertificate, - }; - }, - }) as Server & { port: number }; - - return server.listen(); - }); - }; - - const promise = startServer().then(() => { - const url = `http://127.0.0.1:${server.port}`; - anonymizedProxyUrlToServer[url] = server; - return url; - }); - - return nodeify(promise, callback); + const server = new Server({ + // verbose: true, + port, + host: '127.0.0.1', + prepareRequestFunction: () => { + return { + requestAuthentication: false, + upstreamProxyUrl: proxyUrl, + ignoreUpstreamProxyCertificate: ignoreProxyCertificate, + }; + }, + }) as Server & { port: number }; + + await server.listen(); + + const url = `http://127.0.0.1:${server.port}`; + anonymizedProxyUrlToServer[url] = server; + return url; }; /** @@ -94,7 +82,6 @@ export const anonymizeProxy = async ( export const closeAnonymizedProxy = async ( anonymizedProxyUrl: string, closeConnections: boolean, - callback?: (error: Error | null, result?: boolean) => void, ): Promise => { if (typeof anonymizedProxyUrl !== 'string') { throw new Error('The "anonymizedProxyUrl" parameter must be a string'); @@ -102,15 +89,13 @@ export const closeAnonymizedProxy = async ( const server = anonymizedProxyUrlToServer[anonymizedProxyUrl]; if (!server) { - return nodeify(Promise.resolve(false), callback); + return false; } delete anonymizedProxyUrlToServer[anonymizedProxyUrl]; - const promise = server.close(closeConnections).then(() => { - return true; - }); - return nodeify(promise, callback); + await server.close(closeConnections); + return true; }; type Callback = ({ diff --git a/src/chain.ts b/src/chain.ts index 1cf64b58..5e02bfd0 100644 --- a/src/chain.ts +++ b/src/chain.ts @@ -5,11 +5,11 @@ import http from 'node:http'; import https from 'node:https'; import type { URL } from 'node:url'; -import type { Socket } from './socket'; -import { badGatewayStatusCodes, createCustomStatusHttpResponse, errorCodeToStatusCode } from './statuses'; -import type { SocketWithPreviousStats } from './utils/count_target_bytes'; -import { countTargetBytes } from './utils/count_target_bytes'; -import { getBasicAuthorizationHeader } from './utils/get_basic'; +import type { Socket } from './socket.js'; +import { badGatewayStatusCodes, createCustomStatusHttpResponse, errorCodeToStatusCode } from './statuses.js'; +import type { SocketWithPreviousStats } from './utils/count_target_bytes.js'; +import { countTargetBytes } from './utils/count_target_bytes.js'; +import { getBasicAuthorizationHeader } from './utils/get_basic.js'; interface Options { method: string; diff --git a/src/chain_socks.ts b/src/chain_socks.ts index 1b03c70c..2b874835 100644 --- a/src/chain_socks.ts +++ b/src/chain_socks.ts @@ -6,9 +6,9 @@ import { URL } from 'node:url'; import { SocksClient, type SocksClientError, type SocksProxy } from 'socks'; -import type { Socket } from './socket'; -import { createCustomStatusHttpResponse, socksErrorMessageToStatusCode } from './statuses'; -import { countTargetBytes } from './utils/count_target_bytes'; +import type { Socket } from './socket.js'; +import { createCustomStatusHttpResponse, socksErrorMessageToStatusCode } from './statuses.js'; +import { countTargetBytes } from './utils/count_target_bytes.js'; export interface HandlerOpts { upstreamProxyUrlParsed: URL; diff --git a/src/direct.ts b/src/direct.ts index f4c7d68d..b81335dd 100644 --- a/src/direct.ts +++ b/src/direct.ts @@ -4,8 +4,8 @@ import type { EventEmitter } from 'node:events'; import net from 'node:net'; import { URL } from 'node:url'; -import type { Socket } from './socket'; -import { countTargetBytes } from './utils/count_target_bytes'; +import type { Socket } from './socket.js'; +import { countTargetBytes } from './utils/count_target_bytes.js'; export interface HandlerOpts { localAddress?: string; diff --git a/src/forward.ts b/src/forward.ts index 2c9b6ab9..fb4d6ee6 100644 --- a/src/forward.ts +++ b/src/forward.ts @@ -1,17 +1,14 @@ import type dns from 'node:dns'; import http from 'node:http'; import https from 'node:https'; -import stream from 'node:stream'; +import { pipeline } from 'node:stream/promises'; import type { URL } from 'node:url'; -import util from 'node:util'; -import { badGatewayStatusCodes, errorCodeToStatusCode } from './statuses'; -import type { SocketWithPreviousStats } from './utils/count_target_bytes'; -import { countTargetBytes } from './utils/count_target_bytes'; -import { getBasicAuthorizationHeader } from './utils/get_basic'; -import { validHeadersOnly } from './utils/valid_headers_only'; - -const pipeline = util.promisify(stream.pipeline); +import { badGatewayStatusCodes, errorCodeToStatusCode } from './statuses.js'; +import type { SocketWithPreviousStats } from './utils/count_target_bytes.js'; +import { countTargetBytes } from './utils/count_target_bytes.js'; +import { getBasicAuthorizationHeader } from './utils/get_basic.js'; +import { validHeadersOnly } from './utils/valid_headers_only.js'; interface Options { method: string; diff --git a/src/forward_socks.ts b/src/forward_socks.ts index 95867586..60a0f0b4 100644 --- a/src/forward_socks.ts +++ b/src/forward_socks.ts @@ -1,15 +1,12 @@ import http from 'node:http'; -import stream from 'node:stream'; +import { pipeline } from 'node:stream/promises'; import type { URL } from 'node:url'; -import util from 'node:util'; import { SocksProxyAgent } from 'socks-proxy-agent'; -import { badGatewayStatusCodes, errorCodeToStatusCode } from './statuses'; -import { countTargetBytes } from './utils/count_target_bytes'; -import { validHeadersOnly } from './utils/valid_headers_only'; - -const pipeline = util.promisify(stream.pipeline); +import { badGatewayStatusCodes, errorCodeToStatusCode } from './statuses.js'; +import { countTargetBytes } from './utils/count_target_bytes.js'; +import { validHeadersOnly } from './utils/valid_headers_only.js'; interface Options { method: string; diff --git a/src/index.ts b/src/index.ts index f945ef87..54867287 100644 --- a/src/index.ts +++ b/src/index.ts @@ -1,7 +1,7 @@ -export * from './request_error'; -export * from './server'; -export * from './utils/redact_url'; -export * from './anonymize_proxy'; -export * from './tcp_tunnel_tools'; +export * from './request_error.js'; +export * from './server.js'; +export * from './utils/redact_url.js'; +export * from './anonymize_proxy.js'; +export * from './tcp_tunnel_tools.js'; -export { CustomResponse } from './custom_response'; +export type { CustomResponse } from './custom_response.js'; diff --git a/src/server.ts b/src/server.ts index 6295c724..918eb886 100644 --- a/src/server.ts +++ b/src/server.ts @@ -8,24 +8,23 @@ import type net from 'node:net'; import { URL } from 'node:url'; import util from 'node:util'; -import type { HandlerOpts as ChainOpts } from './chain'; -import { chain } from './chain'; -import { chainSocks } from './chain_socks'; -import { customConnect } from './custom_connect'; -import type { HandlerOpts as CustomResponseOpts } from './custom_response'; -import { handleCustomResponse } from './custom_response'; -import { direct } from './direct'; -import type { HandlerOpts as ForwardOpts } from './forward'; -import { forward } from './forward'; -import { forwardSocks } from './forward_socks'; -import { RequestError } from './request_error'; -import type { Socket, TLSSocket } from './socket'; -import { badGatewayStatusCodes } from './statuses'; -import { getTargetStats } from './utils/count_target_bytes'; -import { nodeify } from './utils/nodeify'; -import { normalizeUrlPort } from './utils/normalize_url_port'; -import { parseAuthorizationHeader } from './utils/parse_authorization_header'; -import { redactUrl } from './utils/redact_url'; +import type { HandlerOpts as ChainOpts } from './chain.js'; +import { chain } from './chain.js'; +import { chainSocks } from './chain_socks.js'; +import { customConnect } from './custom_connect.js'; +import type { HandlerOpts as CustomResponseOpts } from './custom_response.js'; +import { handleCustomResponse } from './custom_response.js'; +import { direct } from './direct.js'; +import type { HandlerOpts as ForwardOpts } from './forward.js'; +import { forward } from './forward.js'; +import { forwardSocks } from './forward_socks.js'; +import { RequestError } from './request_error.js'; +import type { Socket, TLSSocket } from './socket.js'; +import { badGatewayStatusCodes } from './statuses.js'; +import { getTargetStats } from './utils/count_target_bytes.js'; +import { normalizeUrlPort } from './utils/normalize_url_port.js'; +import { parseAuthorizationHeader } from './utils/parse_authorization_header.js'; +import { redactUrl } from './utils/redact_url.js'; export const SOCKS_PROTOCOLS = ['socks:', 'socks4:', 'socks4a:', 'socks5:', 'socks5h:']; @@ -45,7 +44,7 @@ const HTTPS_DEFAULT_OPTIONS = { // Disable TLS 1.0 and 1.1 (deprecated, insecure). // All other TLS settings use Node.js defaults for cipher selection (automatically updated). minVersion: 'TLSv1.2', -} as const; +} as const satisfies https.ServerOptions; /** * Connection statistics for bandwidth tracking. @@ -666,12 +665,10 @@ export class Server extends EventEmitter { /** * Starts listening at a port specified in the constructor. */ - async listen(callback?: (error: NodeJS.ErrnoException | null) => void): Promise { - const promise = new Promise((resolve, reject) => { - // Unfortunately server.listen() is not a normal function that fails on error, - // so we need this trickery + async listen(): Promise { + return new Promise((resolve, reject) => { const onError = (error: NodeJS.ErrnoException) => { - this.log(null, `Listen failed: ${error}`); + this.log(null, `Listen error: ${error}`); removeListeners(); reject(error); }; @@ -690,8 +687,6 @@ export class Server extends EventEmitter { this.server.on('listening', onListening); this.server.listen(this.port, this.host); }); - - return nodeify(promise, callback); } /** @@ -751,12 +746,7 @@ export class Server extends EventEmitter { * Closes the proxy server. * @param closeConnections If true, pending proxy connections are forcibly closed. */ - async close(closeConnections: boolean, callback?: (error: NodeJS.ErrnoException | null) => void): Promise { - if (typeof closeConnections === 'function') { - callback = closeConnections; - closeConnections = false; - } - + async close(closeConnections = false): Promise { if (closeConnections) { this.closeConnections(); } @@ -765,10 +755,7 @@ export class Server extends EventEmitter { const { server } = this; // @ts-expect-error Let's make sure we can't access the server anymore. this.server = null; - const promise = util.promisify(server.close).bind(server)(); - return nodeify(promise, callback); + await util.promisify(server.close).bind(server)(); } - - return nodeify(Promise.resolve(), callback); } } diff --git a/src/tcp_tunnel_tools.ts b/src/tcp_tunnel_tools.ts index c2cb9ff0..1020b573 100644 --- a/src/tcp_tunnel_tools.ts +++ b/src/tcp_tunnel_tools.ts @@ -1,8 +1,7 @@ import net from 'node:net'; import { URL } from 'node:url'; -import { chain } from './chain'; -import { nodeify } from './utils/nodeify'; +import { chain } from './chain.js'; const runningServers: Record }> = {}; @@ -23,7 +22,6 @@ export async function createTunnel( verbose?: boolean; ignoreProxyCertificate?: boolean; }, - callback?: (error: Error | null, result?: string) => void, ): Promise { const parsedProxyUrl = new URL(proxyUrl); if (!['http:', 'https:'].includes(parsedProxyUrl.protocol)) { @@ -94,42 +92,32 @@ export async function createTunnel( }); }); - return nodeify(promise, callback); + return promise; } export async function closeTunnel( serverPath: string, - closeConnections: boolean | undefined, - callback: (error: Error | null, result?: boolean) => void, + closeConnections?: boolean, ): Promise { const { hostname, port } = new URL(`tcp://${serverPath}`); if (!hostname) throw new Error('serverPath must contain hostname'); if (!port) throw new Error('serverPath must contain port'); - const promise = new Promise((resolve) => { - if (!runningServers[serverPath]) { - resolve(false); - return; - } - if (!closeConnections) { - resolve(true); - return; - } - for (const connection of runningServers[serverPath].connections) { + const entry = runningServers[serverPath]; + if (!entry) return false; + + if (closeConnections) { + for (const connection of entry.connections) { connection.destroy(); } - resolve(true); - }) - .then(async (serverExists) => new Promise((resolve) => { - if (!serverExists) { - resolve(false); - return; - } - runningServers[serverPath].server.close(() => { - delete runningServers[serverPath]; - resolve(true); - }); - })); - - return nodeify(promise, callback); + } + + await new Promise((resolve) => { + entry.server.close(() => { + delete runningServers[serverPath]; + resolve(); + }); + }); + + return true; } diff --git a/src/utils/count_target_bytes.ts b/src/utils/count_target_bytes.ts index 983021b6..0ed783a1 100644 --- a/src/utils/count_target_bytes.ts +++ b/src/utils/count_target_bytes.ts @@ -20,16 +20,12 @@ interface Extras { [calculateTargetStats]: () => Stats; } -// @ts-expect-error TS is not aware that `source` is used in the assertion. -// eslint-disable-next-line @typescript-eslint/no-empty-function -function typeSocket(source: unknown): asserts source is net.Socket & Extras {} - export const countTargetBytes = ( - source: net.Socket, + sourceSocket: net.Socket, target: SocketWithPreviousStats, registerCloseHandler?: (handler: () => void) => void, ): void => { - typeSocket(source); + const source = sourceSocket as net.Socket & Extras; source[targetBytesWritten] = source[targetBytesWritten] || 0; source[targetBytesRead] = source[targetBytesRead] || 0; @@ -65,8 +61,8 @@ export const countTargetBytes = ( } }; -export const getTargetStats = (socket: net.Socket): Stats => { - typeSocket(socket); +export const getTargetStats = (rawSocket: net.Socket): Stats => { + const socket = rawSocket as net.Socket & Extras; if (socket[calculateTargetStats]) { return socket[calculateTargetStats](); diff --git a/src/utils/get_basic.ts b/src/utils/get_basic.ts index 6ccbf608..d5e94dab 100644 --- a/src/utils/get_basic.ts +++ b/src/utils/get_basic.ts @@ -1,6 +1,6 @@ import type { URL } from 'node:url'; -import { decodeURIComponentSafe } from './decode_uri_component_safe'; +import { decodeURIComponentSafe } from './decode_uri_component_safe.js'; export const getBasicAuthorizationHeader = (url: URL): string => { const username = decodeURIComponentSafe(url.username); diff --git a/src/utils/nodeify.ts b/src/utils/nodeify.ts deleted file mode 100644 index 378124b8..00000000 --- a/src/utils/nodeify.ts +++ /dev/null @@ -1,16 +0,0 @@ -// Replacement for Bluebird's Promise.nodeify() -export const nodeify = async (promise: Promise, callback?: (error: Error | null, result?: T) => void): Promise => { - if (typeof callback !== 'function') return promise; - - promise.then( - (result) => callback(null, result), - callback, - ).catch((error) => { - // Need to .catch because it doesn't crash the process on Node.js 14 - process.nextTick(() => { - throw error; - }); - }); - - return promise; -}; diff --git a/src/utils/valid_headers_only.ts b/src/utils/valid_headers_only.ts index 936851f6..a5f6b4f6 100644 --- a/src/utils/valid_headers_only.ts +++ b/src/utils/valid_headers_only.ts @@ -1,6 +1,6 @@ import { validateHeaderName, validateHeaderValue } from 'node:http'; -import { isHopByHopHeader } from './is_hop_by_hop_header'; +import { isHopByHopHeader } from './is_hop_by_hop_header.js'; /** * @see https://nodejs.org/api/http.html#http_message_rawheaders diff --git a/test/Dockerfile b/test/Dockerfile index 643033e1..d3c1ea11 100644 --- a/test/Dockerfile +++ b/test/Dockerfile @@ -1,4 +1,4 @@ -ARG NODE_IMAGE=node:18.20.8-bookworm +ARG NODE_IMAGE=node:20.19.6-bookworm FROM ${NODE_IMAGE} RUN apt-get update && apt-get install -y --no-install-recommends chromium \ diff --git a/test/anonymize_proxy.js b/test/anonymize_proxy.js index 9ceeef3a..b7d66ea2 100644 --- a/test/anonymize_proxy.js +++ b/test/anonymize_proxy.js @@ -1,15 +1,15 @@ -const _ = require('underscore'); -const util = require('util'); -const { expect, assert } = require('chai'); -const proxy = require('proxy'); -const http = require('http'); -const portastic = require('portastic'); -const basicAuthParser = require('basic-auth-parser'); -const request = require('request'); -const express = require('express'); - -const { anonymizeProxy, closeAnonymizedProxy, listenConnectAnonymizedProxy } = require('../src/index'); -const { expectThrowsAsync } = require('./utils/throws_async'); +import _ from 'underscore'; +import util from 'node:util'; +import { expect, assert } from 'chai'; +import proxy from 'proxy'; +import http from 'node:http'; +import portastic from 'portastic'; +import basicAuthParser from 'basic-auth-parser'; +import request from 'request'; +import express from 'express'; + +import { anonymizeProxy, closeAnonymizedProxy, listenConnectAnonymizedProxy } from '../src/index.js'; +import { expectThrowsAsync } from './utils/throws_async.js'; let expressServer; let proxyServer; @@ -79,12 +79,12 @@ before(() => { }); }); -after(function () { +after(async function () { this.timeout(5 * 1000); - expressServer.close(); + await new Promise((resolve) => expressServer.close(resolve)); - if (proxyServer) return util.promisify(proxyServer.close).bind(proxyServer)(); + if (proxyServer) await util.promisify(proxyServer.close.bind(proxyServer))(); }); const requestPromised = (opts) => { @@ -137,127 +137,78 @@ describe('utils.anonymizeProxy', function () { expectThrowsAsync(async () => { await anonymizeProxy({ url: 'https://whatever.com' }); }); }); - it('keeps already anonymous proxies (both with callbacks and promises)', () => { - return Promise.resolve() - .then(() => { - return anonymizeProxy('http://whatever:4567'); - }) - .then((anonymousProxyUrl) => { - expect(anonymousProxyUrl).to.eql('http://whatever:4567'); - }) - .then(() => { - return new Promise((resolve, reject) => { - anonymizeProxy('http://whatever:4567', (err, result) => { - if (err) return reject(err); - resolve(result); - }); - }); - }) - .then((anonymousProxyUrl) => { - expect(anonymousProxyUrl).to.eql('http://whatever:4567'); - }); - }); + it('keeps already anonymous proxies', async () => { + const anonymousProxyUrl = await anonymizeProxy('http://whatever:4567'); + expect(anonymousProxyUrl).to.eql('http://whatever:4567'); - it('anonymizes authenticated upstream proxy (both with callbacks and promises)', () => { - let proxyUrl1; - let proxyUrl2; - return Promise.resolve() - .then(() => { - return Promise.all([ - anonymizeProxy(`http://${proxyAuth.username}:${proxyAuth.password}@127.0.0.1:${proxyPort}`), - new Promise((resolve, reject) => { - anonymizeProxy(`http://${proxyAuth.username}:${proxyAuth.password}@127.0.0.1:${proxyPort}`, (err, result) => { - if (err) return reject(err); - resolve(result); - }); - }), - ]); - }) - .then((results) => { - [proxyUrl1, proxyUrl2] = results; - expect(proxyUrl1).to.not.contain(`${proxyPort}`); - expect(proxyUrl2).to.not.contain(`${proxyPort}`); - expect(proxyUrl1).to.not.equal(proxyUrl2); + const anonymousProxyUrl2 = await anonymizeProxy('http://whatever:4567'); + expect(anonymousProxyUrl2).to.eql('http://whatever:4567'); + }); - // Test call through proxy 1 - wasProxyCalled = false; - return requestPromised({ - uri: `http://localhost:${testServerPort}`, - proxy: proxyUrl1, - expectBodyContainsText: 'Hello World!', - }); - }) - .then(() => { - expect(wasProxyCalled).to.equal(true); - }) - .then(() => { - // Test call through proxy 2 - wasProxyCalled = false; - return requestPromised({ - uri: `http://localhost:${testServerPort}`, - proxy: proxyUrl2, - expectBodyContainsText: 'Hello World!', - }); - }) - .then(() => { - expect(wasProxyCalled).to.equal(true); - }) - .then(() => { - // Test again call through proxy 1 - wasProxyCalled = false; - return requestPromised({ - uri: `http://localhost:${testServerPort}`, - proxy: proxyUrl1, - expectBodyContainsText: 'Hello World!', - }); - }) - .then(() => { - expect(wasProxyCalled).to.equal(true); - }) - .then(() => closeAnonymizedProxy(proxyUrl1, true)) - .then((closed) => { - expect(closed).to.eql(true); + it('anonymizes authenticated upstream proxy', async () => { + const [proxyUrl1, proxyUrl2] = await Promise.all([ + anonymizeProxy(`http://${proxyAuth.username}:${proxyAuth.password}@127.0.0.1:${proxyPort}`), + anonymizeProxy(`http://${proxyAuth.username}:${proxyAuth.password}@127.0.0.1:${proxyPort}`), + ]); + + expect(proxyUrl1).to.not.contain(`${proxyPort}`); + expect(proxyUrl2).to.not.contain(`${proxyPort}`); + expect(proxyUrl1).to.not.equal(proxyUrl2); + + // Test call through proxy 1 + wasProxyCalled = false; + await requestPromised({ + uri: `http://localhost:${testServerPort}`, + proxy: proxyUrl1, + expectBodyContainsText: 'Hello World!', + }); + expect(wasProxyCalled).to.equal(true); + + // Test call through proxy 2 + wasProxyCalled = false; + await requestPromised({ + uri: `http://localhost:${testServerPort}`, + proxy: proxyUrl2, + expectBodyContainsText: 'Hello World!', + }); + expect(wasProxyCalled).to.equal(true); + + // Test again call through proxy 1 + wasProxyCalled = false; + await requestPromised({ + uri: `http://localhost:${testServerPort}`, + proxy: proxyUrl1, + expectBodyContainsText: 'Hello World!', + }); + expect(wasProxyCalled).to.equal(true); - // Test proxy is really closed - return requestPromised({ - uri: proxyUrl1, - }) - .then(() => { - assert.fail(); - }) - .catch((err) => { - expect(err.message).to.contain('ECONNREFUSED'); - }); - }) - .then(() => { - // Test callback-style - return new Promise((resolve, reject) => { - closeAnonymizedProxy(proxyUrl2, true, (err, closed) => { - if (err) return reject(err); - resolve(closed); - }); - }); - }) - .then((closed) => { - expect(closed).to.eql(true); + // Close proxy 1 and verify + const closed1 = await closeAnonymizedProxy(proxyUrl1, true); + expect(closed1).to.eql(true); - // Test the second-time call to close - return closeAnonymizedProxy(proxyUrl1, true); - }) - .then((closed) => { - expect(closed).to.eql(false); - - // Test callback-style - return new Promise((resolve, reject) => { - closeAnonymizedProxy(proxyUrl2, false, (err, closed2) => { - if (err) return reject(err); - resolve(closed2); - }); - }); - }) - .then((closed) => { - expect(closed).to.eql(false); + // Test proxy is really closed + try { + await requestPromised({ + uri: proxyUrl1, }); + assert.fail(); + } catch (err) { + // Node.js 20+ may return 'socket hang up' instead of 'ECONNREFUSED' + const validErrors = ['ECONNREFUSED', 'socket hang up']; + expect(validErrors.some((e) => err.message.includes(e))).to.equal(true); + } + + // Close proxy 2 + const closed2 = await closeAnonymizedProxy(proxyUrl2, true); + expect(closed2).to.eql(true); + + // Test the second-time call to close (should return false) + const closed1Again = await closeAnonymizedProxy(proxyUrl1, true); + expect(closed1Again).to.eql(false); + + // Test another second-time call to close + const closed2Again = await closeAnonymizedProxy(proxyUrl2, false); + expect(closed2Again).to.eql(false); }); it('handles many concurrent calls without port collision', () => { diff --git a/test/anonymize_proxy_no_password.js b/test/anonymize_proxy_no_password.js index e017118a..710a1616 100644 --- a/test/anonymize_proxy_no_password.js +++ b/test/anonymize_proxy_no_password.js @@ -1,14 +1,14 @@ -const _ = require('underscore'); -const { expect, assert } = require('chai'); -const proxy = require('proxy'); -const http = require('http'); -const util = require('util'); -const portastic = require('portastic'); -const basicAuthParser = require('basic-auth-parser'); -const request = require('request'); -const express = require('express'); - -const { anonymizeProxy, closeAnonymizedProxy } = require('../src/index'); +import _ from 'underscore'; +import { expect, assert } from 'chai'; +import proxy from 'proxy'; +import http from 'node:http'; +import util from 'node:util'; +import portastic from 'portastic'; +import basicAuthParser from 'basic-auth-parser'; +import request from 'request'; +import express from 'express'; + +import { anonymizeProxy, closeAnonymizedProxy } from '../src/index.js'; let expressServer; let proxyServer; @@ -18,60 +18,50 @@ const proxyAuth = { scheme: 'Basic', username: 'username', password: '' }; let wasProxyCalled = false; // Setup local proxy server and web server for the tests -before(() => { - // Find free port for the proxy - let freePorts; - return portastic.find({ min: 50000, max: 50100 }) - .then((result) => { - freePorts = result; - return new Promise((resolve, reject) => { - const httpServer = http.createServer(); - - // Setup proxy authorization - httpServer.authenticate = function (req, fn) { - // parse the "Proxy-Authorization" header - const auth = req.headers['proxy-authorization']; - if (!auth) { - // optimization: don't invoke the child process if no - // "Proxy-Authorization" header was given - // console.log('not Proxy-Authorization'); - return fn(null, false); - } - const parsed = basicAuthParser(auth); - const isEqual = _.isEqual(parsed, proxyAuth); - // console.log('Parsed "Proxy-Authorization": parsed: %j expected: %j : %s', parsed, proxyAuth, isEqual); - if (isEqual) wasProxyCalled = true; - fn(null, isEqual); - }; - - httpServer.on('error', reject); - - proxyServer = proxy(httpServer); - proxyServer.listen(freePorts[0], () => { - proxyPort = proxyServer.address().port; - resolve(); - }); - }); - }) - .then(() => { - const app = express(); - - app.get('/', (req, res) => res.send('Hello World!')); - - testServerPort = freePorts[1]; - return new Promise((resolve, reject) => { - expressServer = app.listen(testServerPort, () => { - resolve(); - }); - }); +before(async () => { + const freePorts = await portastic.find({ min: 50000, max: 50100 }); + + await new Promise((resolve, reject) => { + const httpServer = http.createServer(); + + // Setup proxy authorization + httpServer.authenticate = function (req, fn) { + // parse the "Proxy-Authorization" header + const auth = req.headers['proxy-authorization']; + if (!auth) { + // optimization: don't invoke the child process if no + // "Proxy-Authorization" header was given + return fn(null, false); + } + const parsed = basicAuthParser(auth); + const isEqual = _.isEqual(parsed, proxyAuth); + if (isEqual) wasProxyCalled = true; + fn(null, isEqual); + }; + + httpServer.on('error', reject); + + proxyServer = proxy(httpServer); + proxyServer.listen(freePorts[0], () => { + proxyPort = proxyServer.address().port; + resolve(); }); + }); + + const app = express(); + app.get('/', (req, res) => res.send('Hello World!')); + + testServerPort = freePorts[1]; + await new Promise((resolve) => { + expressServer = app.listen(testServerPort, resolve); + }); }); -after(function () { +after(async function () { this.timeout(5 * 1000); - expressServer.close(); + await new Promise((resolve) => expressServer.close(resolve)); - if (proxyServer) return util.promisify(proxyServer.close).bind(proxyServer)(); + if (proxyServer) await util.promisify(proxyServer.close.bind(proxyServer))(); }); const requestPromised = (opts) => { @@ -93,109 +83,64 @@ const requestPromised = (opts) => { describe('utils.anonymizeProxyNoPassword', function () { // Need larger timeout for Travis CI this.timeout(5 * 1000); - it('anonymizes authenticated with no password upstream proxy (both with callbacks and promises)', () => { - let proxyUrl1; - let proxyUrl2; - return Promise.resolve() - .then(() => { - return Promise.all([ - anonymizeProxy(`http://${proxyAuth.username}:${proxyAuth.password}@127.0.0.1:${proxyPort}`), - new Promise((resolve, reject) => { - anonymizeProxy(`http://${proxyAuth.username}:${proxyAuth.password}@127.0.0.1:${proxyPort}`, - (err, result) => { - if (err) return reject(err); - resolve(result); - }); - }), - ]); - }) - .then((results) => { - proxyUrl1 = results[0]; - proxyUrl2 = results[1]; - expect(proxyUrl1).to.not.contain(`${proxyPort}`); - expect(proxyUrl2).to.not.contain(`${proxyPort}`); - expect(proxyUrl1).to.not.equal(proxyUrl2); - - // Test call through proxy 1 - wasProxyCalled = false; - return requestPromised({ - uri: `http://localhost:${testServerPort}`, - proxy: proxyUrl1, - expectBodyContainsText: 'Hello World!', - }); - }) - .then(() => { - expect(wasProxyCalled).to.equal(true); - }) - .then(() => { - // Test call through proxy 2 - wasProxyCalled = false; - return requestPromised({ - uri: `http://localhost:${testServerPort}`, - proxy: proxyUrl2, - expectBodyContainsText: 'Hello World!', - }); - }) - .then(() => { - expect(wasProxyCalled).to.equal(true); - }) - .then(() => { - // Test again call through proxy 1 - wasProxyCalled = false; - return requestPromised({ - uri: `http://localhost:${testServerPort}`, - proxy: proxyUrl1, - expectBodyContainsText: 'Hello World!', - }); - }) - .then(() => { - expect(wasProxyCalled).to.equal(true); - }) - .then(() => { - return closeAnonymizedProxy(proxyUrl1, true); - }) - .then((closed) => { - expect(closed).to.eql(true); - - // Test proxy is really closed - return requestPromised({ - uri: proxyUrl1, - }) - .then(() => { - assert.fail(); - }) - .catch((err) => { - expect(err.message).to.contain('ECONNREFUSED'); - }); - }) - .then(() => { - // Test callback-style - return new Promise((resolve, reject) => { - closeAnonymizedProxy(proxyUrl2, true, (err, closed) => { - if (err) return reject(err); - resolve(closed); - }); - }); - }) - .then((closed) => { - expect(closed).to.eql(true); - - // Test the second-time call to close - return closeAnonymizedProxy(proxyUrl1, true); - }) - .then((closed) => { - expect(closed).to.eql(false); - - // Test callback-style - return new Promise((resolve, reject) => { - closeAnonymizedProxy(proxyUrl2, false, (err, closed) => { - if (err) return reject(err); - resolve(closed); - }); - }); - }) - .then((closed) => { - expect(closed).to.eql(false); - }); + it('anonymizes authenticated with no password upstream proxy', async () => { + const [proxyUrl1, proxyUrl2] = await Promise.all([ + anonymizeProxy(`http://${proxyAuth.username}:${proxyAuth.password}@127.0.0.1:${proxyPort}`), + anonymizeProxy(`http://${proxyAuth.username}:${proxyAuth.password}@127.0.0.1:${proxyPort}`), + ]); + + expect(proxyUrl1).to.not.contain(`${proxyPort}`); + expect(proxyUrl2).to.not.contain(`${proxyPort}`); + expect(proxyUrl1).to.not.equal(proxyUrl2); + + // Test call through proxy 1 + wasProxyCalled = false; + await requestPromised({ + uri: `http://localhost:${testServerPort}`, + proxy: proxyUrl1, + expectBodyContainsText: 'Hello World!', + }); + expect(wasProxyCalled).to.equal(true); + + // Test call through proxy 2 + wasProxyCalled = false; + await requestPromised({ + uri: `http://localhost:${testServerPort}`, + proxy: proxyUrl2, + expectBodyContainsText: 'Hello World!', + }); + expect(wasProxyCalled).to.equal(true); + + // Test again call through proxy 1 + wasProxyCalled = false; + await requestPromised({ + uri: `http://localhost:${testServerPort}`, + proxy: proxyUrl1, + expectBodyContainsText: 'Hello World!', + }); + expect(wasProxyCalled).to.equal(true); + + const closed1 = await closeAnonymizedProxy(proxyUrl1, true); + expect(closed1).to.eql(true); + + // Test proxy is really closed + try { + await requestPromised({ uri: proxyUrl1 }); + assert.fail(); + } catch (err) { + // Node.js 20+ may return 'socket hang up' instead of 'ECONNREFUSED' + const validErrors = ['ECONNREFUSED', 'socket hang up']; + expect(validErrors.some((e) => err.message.includes(e))).to.equal(true); + } + + const closed2 = await closeAnonymizedProxy(proxyUrl2, true); + expect(closed2).to.eql(true); + + // Test the second-time call to close + const closed1Again = await closeAnonymizedProxy(proxyUrl1, true); + expect(closed1Again).to.eql(false); + + const closed2Again = await closeAnonymizedProxy(proxyUrl2, false); + expect(closed2Again).to.eql(false); }); }); diff --git a/test/ee-memory-leak.js b/test/ee-memory-leak.js index e92d1ca0..95c82b02 100644 --- a/test/ee-memory-leak.js +++ b/test/ee-memory-leak.js @@ -1,16 +1,13 @@ -const net = require('net'); -const http = require('http'); -const { assert } = require('chai'); -const ProxyChain = require('../src/index'); +import net from 'node:net'; +import http from 'node:http'; +import { assert } from 'chai'; +import * as ProxyChain from '../src/index.js'; describe('ProxyChain server', () => { - let proxyServer; let server; let port; before(() => { - proxyServer = new ProxyChain.Server(); - server = http.createServer((_request, response) => { response.end('Hello, world!'); }).listen(0); @@ -18,25 +15,22 @@ describe('ProxyChain server', () => { port = server.address().port; }); - after(() => { - proxyServer.close(); - server.close(); + after(async () => { + await new Promise((resolve) => server.close(resolve)); }); - it('does not leak events', (done) => { - let socket; - let registeredCount; - proxyServer.server.prependOnceListener('request', (request) => { - socket = request.socket; - registeredCount = socket.listenerCount('error'); - }); + it('does not leak events', async () => { + const proxyServer = new ProxyChain.Server(); - const callback = () => { - assert.equal(socket.listenerCount('error'), registeredCount); - done(); - }; + try { + let socket; + let registeredCount; + proxyServer.server.prependOnceListener('request', (request) => { + socket = request.socket; + registeredCount = socket.listenerCount('error'); + }); - proxyServer.listen(async () => { + await proxyServer.listen(); const proxyServerPort = proxyServer.server.address().port; const requestCount = 20; @@ -48,14 +42,20 @@ describe('ProxyChain server', () => { client.setTimeout(100); - client.on('timeout', () => { - client.destroy(); - callback(); + await new Promise((resolve) => { + client.on('timeout', () => { + client.destroy(); + resolve(); + }); + + for (let i = 0; i < requestCount; i++) { + client.write(`GET http://localhost:${port} HTTP/1.1\r\nhost: localhost:${port}\r\nconnection: keep-alive\r\n\r\n`); + } }); - for (let i = 0; i < requestCount; i++) { - client.write(`GET http://localhost:${port} HTTP/1.1\r\nhost: localhost:${port}\r\nconnection: keep-alive\r\n\r\n`); - } - }); + assert.equal(socket.listenerCount('error'), registeredCount); + } finally { + await proxyServer.close(true); + } }); }); diff --git a/test/http-agent.js b/test/http-agent.js index d4368f37..c3dec1a3 100644 --- a/test/http-agent.js +++ b/test/http-agent.js @@ -1,17 +1,17 @@ -const fs = require('fs'); -const path = require('path'); -const http = require('http'); -const https = require('https'); -const { expect } = require('chai'); -const portastic = require('portastic'); -const proxy = require('proxy'); -const request = require('request'); +import fs from 'node:fs'; +import path from 'node:path'; +import http from 'node:http'; +import https from 'node:https'; +import { expect } from 'chai'; +import portastic from 'portastic'; +import proxy from 'proxy'; +import request from 'request'; -const { Server } = require('../src/index'); -const { TargetServer } = require('./utils/target_server'); +import { Server } from '../src/index.js'; +import { TargetServer } from './utils/target_server.js'; -const sslKey = fs.readFileSync(path.join(__dirname, 'ssl.key')); -const sslCrt = fs.readFileSync(path.join(__dirname, 'ssl.crt')); +const sslKey = fs.readFileSync(path.join(import.meta.dirname, 'ssl.key')); +const sslCrt = fs.readFileSync(path.join(import.meta.dirname, 'ssl.crt')); describe('HTTP Agent Support', () => { let mainProxyServer; @@ -48,10 +48,10 @@ describe('HTTP Agent Support', () => { mainProxyServerPort = freePorts.shift(); }); - after(() => { - if (targetServer) targetServer.close(); - if (upstreamProxyServer) upstreamProxyServer.close(); - if (mainProxyServer) mainProxyServer.close(true); + after(async () => { + if (targetServer) await targetServer.close(); + if (upstreamProxyServer) await new Promise((resolve) => upstreamProxyServer.close(resolve)); + if (mainProxyServer) await mainProxyServer.close(true); }); it('httpAgent smoke test - no exceptions', async () => { @@ -238,7 +238,7 @@ describe('HTTP Agent Support', () => { it('pools connections with HTTP upstream proxy', async () => { if (mainProxyServer) await mainProxyServer.close(true); - if (upstreamProxyServer) upstreamProxyServer.close(); + if (upstreamProxyServer) await new Promise((resolve) => upstreamProxyServer.close(resolve)); let httpUpstreamConnectionCount = 0; diff --git a/test/https-server.js b/test/https-server.js index 8ee0ad82..cee193dc 100644 --- a/test/https-server.js +++ b/test/https-server.js @@ -1,12 +1,13 @@ -const fs = require('fs'); -const path = require('path'); -const tls = require('tls'); -const { expect } = require('chai'); -const http = require('http'); -const { Server } = require('../src/index'); +import fs from 'node:fs'; +import net from 'node:net'; +import path from 'node:path'; +import tls from 'node:tls'; +import { expect } from 'chai'; +import http from 'node:http'; +import { Server } from '../src/index.js'; -const sslKey = fs.readFileSync(path.join(__dirname, 'ssl.key')); -const sslCrt = fs.readFileSync(path.join(__dirname, 'ssl.crt')); +const sslKey = fs.readFileSync(path.join(import.meta.dirname, 'ssl.key')); +const sslCrt = fs.readFileSync(path.join(import.meta.dirname, 'ssl.crt')); const wait = (timeout) => new Promise((resolve) => setTimeout(resolve, timeout)); @@ -17,8 +18,16 @@ it('handles TLS handshake failures gracefully and continues accepting connection let server; let badSocket; let goodSocket; + let targetServer; try { + // Create a local TCP server as the CONNECT target to avoid external network dependency. + targetServer = net.createServer((socket) => { + socket.on('error', () => {}); + }); + await new Promise((resolve) => targetServer.listen(0, '127.0.0.1', resolve)); + const targetPort = targetServer.address().port; + server = new Server({ port: 0, serverType: 'https', @@ -102,8 +111,8 @@ it('handles TLS handshake failures gracefully and continues accepting connection expect(goodSocketConnected).to.equal(true, 'Good socket should have connected'); - // Write the CONNECT request. - goodSocket.write('CONNECT example.com:443 HTTP/1.1\r\nHost: example.com:443\r\n\r\n'); + // Write the CONNECT request to local target server. + goodSocket.write(`CONNECT 127.0.0.1:${targetPort} HTTP/1.1\r\nHost: 127.0.0.1:${targetPort}\r\n\r\n`); const response = await new Promise((resolve, reject) => { const goodSocketTimeout = setTimeout(() => { @@ -134,8 +143,8 @@ it('handles TLS handshake failures gracefully and continues accepting connection expect(tlsErrors.length).to.be.equal(1); expect(tlsErrors[0].library).to.be.equal('SSL routines'); - expect(tlsErrors[0].reason).to.be.equal('unsupported protocol'); - expect(tlsErrors[0].code).to.be.equal('ERR_SSL_UNSUPPORTED_PROTOCOL'); + // Error message varies by OpenSSL version: 'unsupported protocol' (Node 20) vs 'unexpected message' (Node 22+) + expect(['unsupported protocol', 'unexpected message']).to.include(tlsErrors[0].reason); } finally { if (badSocket && !badSocket.destroyed) { badSocket.destroy(); @@ -146,6 +155,9 @@ it('handles TLS handshake failures gracefully and continues accepting connection if (server) { await server.close(true); } + if (targetServer) { + await new Promise((resolve) => targetServer.close(resolve)); + } } }); diff --git a/test/https-stress-test.js b/test/https-stress-test.js index 63b1715d..5ce364b5 100644 --- a/test/https-stress-test.js +++ b/test/https-stress-test.js @@ -1,14 +1,19 @@ -const fs = require('fs'); -const path = require('path'); -const tls = require('tls'); -const util = require('util'); -const request = require('request'); -const { expect } = require('chai'); -const { Server } = require('../src/index'); -const { TargetServer } = require('./utils/target_server'); - -const sslKey = fs.readFileSync(path.join(__dirname, 'ssl.key')); -const sslCrt = fs.readFileSync(path.join(__dirname, 'ssl.crt')); +import fs from 'node:fs'; +import http from 'node:http'; +import path from 'node:path'; +import tls from 'node:tls'; +import util from 'node:util'; +import request from 'request'; +import { expect } from 'chai'; +import { Server } from '../src/index.js'; +import { TargetServer } from './utils/target_server.js'; + +// Node.js 20+ enables HTTP keep-alive by default in the global agent, +// which causes connection tracking issues in tests. Disable it. +http.globalAgent.keepAlive = false; + +const sslKey = fs.readFileSync(path.join(import.meta.dirname, 'ssl.key')); +const sslCrt = fs.readFileSync(path.join(import.meta.dirname, 'ssl.crt')); const requestPromised = util.promisify(request); @@ -35,6 +40,9 @@ describe('HTTPS proxy stress testing', function () { serverType: 'https', httpsOptions: { key: sslKey, cert: sslCrt }, }); + // Node.js 20+ enables HTTP keep-alive by default, which causes connection + // tracking issues in tests. Disable keep-alive on the proxy server. + server.server.keepAliveTimeout = 0; await server.listen(); }); diff --git a/test/phantom_get.js b/test/phantom_get.js deleted file mode 100644 index a7d6b882..00000000 --- a/test/phantom_get.js +++ /dev/null @@ -1,42 +0,0 @@ -"use strict"; - -// Only run this code in the PhantomJS environment -if (typeof(phantom)==='object') { - var page = require('webpage').create(); - var system = require('system'); - var settings = { - resourceTimeout: 10 * 1000, - }; - - if (system.args.length < 2) { - console.log('Opens a web page and prints its content'); - console.log('Usage: phantomjs phantomjs_get.js URL [--verbose]'); - phantom.exit(1); - } else { - var url = system.args[1]; - var verbose = system.args[2]; - - if (verbose) { - page.onError = function (msg, trace) { - console.log('ERROR: ' + msg); - console.log('TRACE: ' + trace); - }; - page.onResourceError = function (resourceError) { - console.log('RESOURCE ERROR: ' + JSON.stringify(resourceError)); - }; - page.onResourceTimeout = function (response) { - console.log('RESOURCE TIMEOUT: ' + JSON.stringify(response)); - }; - } - - page.open(url, settings, function (status) { - if (status !== 'success') { - console.log('Unable to load ' + url); - phantom.exit(1); - } else { - console.log(page.content); - phantom.exit(0); - } - }); - } -} diff --git a/test/server.js b/test/server.js index 8089dd08..7dff2d0f 100644 --- a/test/server.js +++ b/test/server.js @@ -1,25 +1,24 @@ -const fs = require('fs'); -const zlib = require('zlib'); -const path = require('path'); -const stream = require('stream'); -const childProcess = require('child_process'); -const tls = require('tls'); -const net = require('net'); -const dns = require('dns'); -const util = require('util'); -const { expect, assert } = require('chai'); -const proxy = require('proxy'); -const http = require('http'); -const https = require('https'); -const portastic = require('portastic'); -const request = require('request'); -const WebSocket = require('faye-websocket'); -const { gotScraping } = require('got-scraping'); - -const { parseAuthorizationHeader } = require('../src/utils/parse_authorization_header'); -const { Server, RequestError } = require('../src/index'); -const { TargetServer } = require('./utils/target_server'); -const ProxyChain = require('../src/index'); +import fs from 'node:fs'; +import zlib from 'node:zlib'; +import path from 'node:path'; +import stream from 'node:stream'; +import childProcess from 'node:child_process'; +import tls from 'node:tls'; +import net from 'node:net'; +import dns from 'node:dns'; +import util from 'node:util'; +import { expect, assert } from 'chai'; +import proxy from 'proxy'; +import http from 'node:http'; +import https from 'node:https'; +import portastic from 'portastic'; +import request from 'request'; +import WebSocket from 'faye-websocket'; +import { gotScraping } from 'got-scraping'; + +import { parseAuthorizationHeader } from '../src/utils/parse_authorization_header.js'; +import { Server, RequestError } from '../src/index.js'; +import { TargetServer } from './utils/target_server.js'; /* TODO - add following tests: @@ -32,8 +31,8 @@ TODO - add following tests: // See README.md for details const LOCALHOST_TEST = 'localhost-test'; -const sslKey = fs.readFileSync(path.join(__dirname, 'ssl.key')); -const sslCrt = fs.readFileSync(path.join(__dirname, 'ssl.crt')); +const sslKey = fs.readFileSync(path.join(import.meta.dirname, 'ssl.key')); +const sslCrt = fs.readFileSync(path.join(import.meta.dirname, 'ssl.crt')); // Enable self-signed certificates process.env.NODE_TLS_REJECT_UNAUTHORIZED = '0'; @@ -68,59 +67,71 @@ const requestPromised = (opts) => { const wait = (timeout) => new Promise((resolve) => setTimeout(resolve, timeout)); +// Chromium occasionally fails to spawn under headless Docker (dbus/crashpad noise + ENOENT-ish exits). +// Retry briefly so a single flaky launch doesn't fail the whole suite. +const launchPuppeteer = async (puppeteer, launchOpts) => { + const MAX_ATTEMPTS = 3; + for (let attempt = 1; attempt <= MAX_ATTEMPTS; attempt++) { + try { + return await puppeteer.launch(launchOpts); + } catch (error) { + if (attempt === MAX_ATTEMPTS) throw error; + await new Promise((resolve) => setTimeout(resolve, 500 * attempt)); + } + } +}; + // Opens web page in puppeteer and returns the HTML content -const puppeteerGet = (url, proxyUrl) => { - // eslint-disable-next-line global-require - const puppeteer = require('puppeteer'); - - return (async () => { - const parsed = proxyUrl ? new URL(proxyUrl) : undefined; - - const args = [ - '--no-sandbox', - '--disable-setuid-sandbox', - '--disable-dev-shm-usage' - ]; - - const launchOpts = { - ignoreHTTPSErrors: true, - headless: 'new', - args - }; +const puppeteerGet = async (url, proxyUrl) => { + const { default: puppeteer } = await import('puppeteer'); + + const parsed = proxyUrl ? new URL(proxyUrl) : undefined; + + const args = [ + '--no-sandbox', + '--disable-setuid-sandbox', + '--disable-dev-shm-usage', + '--disable-gpu', + ]; + + const launchOpts = { + ignoreHTTPSErrors: true, + headless: 'new', + args + }; - if (parsed) { - if (parsed.protocol === 'https:') { - args.push(`--proxy-server=${parsed.origin}`); - // For HTTPS proxies with self-signed certificates, - // ignore certificate errors on the proxy connection itself. - args.push('--ignore-certificate-errors'); - } else { - launchOpts.env = { - HTTP_PROXY: parsed.origin, - }; - } + if (parsed) { + if (parsed.protocol === 'https:') { + args.push(`--proxy-server=${parsed.origin}`); + // For HTTPS proxies with self-signed certificates, + // ignore certificate errors on the proxy connection itself. + args.push('--ignore-certificate-errors'); + } else { + launchOpts.env = { + HTTP_PROXY: parsed.origin, + }; } + } - const browser = await puppeteer.launch(launchOpts); + const browser = await launchPuppeteer(puppeteer, launchOpts); - try { - const page = await browser.newPage(); + try { + const page = await browser.newPage(); - if (parsed) { - await page.authenticate({ - username: decodeURIComponent(parsed.username), - password: decodeURIComponent(parsed.password), - }); - } + if (parsed) { + await page.authenticate({ + username: decodeURIComponent(parsed.username), + password: decodeURIComponent(parsed.password), + }); + } - const response = await page.goto(url); - const text = await response.text(); + const response = await page.goto(url); + const text = await response.text(); - return text; - } finally { - await browser.close(); - } - })(); + return text; + } finally { + await browser.close(); + } }; // Opens web page in curl and returns the HTML content. @@ -190,7 +201,11 @@ const createTestSuite = ({ url: pathOrUrl[0] === '/' ? `${baseUrl}${pathOrUrl}` : pathOrUrl, key: sslKey, proxy: mainProxyUrl, - headers: {}, + headers: { + // Node.js 20+ enables HTTP keep-alive by default, which causes connection + // reuse between tests and breaks connection tracking. Force close. + Connection: 'close', + }, timeout: 30000, }; @@ -221,6 +236,10 @@ const createTestSuite = ({ return new Promise((resolve, reject) => { const upstreamProxyHttpServer = http.createServer(); + // Node.js 20+ enables HTTP keep-alive by default, which causes connection + // tracking issues in tests. Disable keep-alive on the upstream proxy server. + upstreamProxyHttpServer.keepAliveTimeout = 0; + // Setup upstream proxy authorization upstreamProxyHttpServer.authenticate = function (req, fn) { upstreamProxyRequestCount++; @@ -454,6 +473,10 @@ const createTestSuite = ({ mainProxyServer = new Server(opts); + // Node.js 20+ enables HTTP keep-alive by default, which causes connection + // tracking issues in tests. Disable keep-alive on the proxy server. + mainProxyServer.server.keepAliveTimeout = 0; + mainProxyServer.on('connectionClosed', ({ connectionId, stats }) => { assert.include(mainProxyServer.getConnectionIds(), connectionId); mainProxyServerConnectionsClosed.push(connectionId); @@ -644,7 +667,10 @@ const createTestSuite = ({ }); // NOTE: upstream proxy cannot handle non-standard headers - if (!useUpstreamProxy) { + // NOTE: Node.js 20+ has stricter HTTP client parsing that ignores --insecure-http-parser + // for invalid header names (spaces) and invalid status codes, so we skip these tests. + const nodeMajorVersion = parseInt(process.versions.node.split('.')[0], 10); + if (!useUpstreamProxy && nodeMajorVersion < 20) { _it('ignores non-standard server HTTP headers', () => { // Node 12+ uses a new HTTP parser (https://llhttp.org/), // which throws error on HTTP headers values with invalid chars. @@ -652,7 +678,6 @@ const createTestSuite = ({ // Note that after Node.js introduced a stricter HTTP parsing as a security hotfix // (https://snyk.io/blog/node-js-release-fixes-a-critical-http-security-vulnerability/) // this test broke down so we had to add NODE_OPTIONS=--insecure-http-parser to "npm test" command - const nodeMajorVersion = parseInt(process.versions.node.split('.')[0], 10); const skipInvalidHeaderValue = nodeMajorVersion >= 12; const opts = getRequestOpts(`/get-non-standard-headers?skipInvalidHeaderValue=${skipInvalidHeaderValue ? '1' : '0'}`); @@ -888,17 +913,17 @@ const createTestSuite = ({ if ((!mainProxyAuth || (mainProxyAuth.username && mainProxyAuth.password)) && !skipPuppeteerOnNode14) { it('handles GET request using puppeteer', async () => { - const phantomUrl = `${useSsl ? 'https' : 'http'}://${LOCALHOST_TEST}:${targetServerPort}/hello-world`; - const response = await puppeteerGet(phantomUrl, mainProxyUrl); + const targetUrl = `${useSsl ? 'https' : 'http'}://${LOCALHOST_TEST}:${targetServerPort}/hello-world`; + const response = await puppeteerGet(targetUrl, mainProxyUrl); expect(response).to.contain('Hello world!'); }); } if (!useSsl && mainProxyAuth && mainProxyAuth.username && mainProxyAuth.password) { it('handles GET request using puppeteer with invalid credentials', async () => { - const phantomUrl = `${useSsl ? 'https' : 'http'}://${LOCALHOST_TEST}:${targetServerPort}/hello-world`; + const targetUrl = `${useSsl ? 'https' : 'http'}://${LOCALHOST_TEST}:${targetServerPort}/hello-world`; const proxySchema = mainProxyServerType === 'https' ? 'https' : 'http'; - const response = await puppeteerGet(phantomUrl, `${proxySchema}://bad:password@127.0.0.1:${mainProxyServerPort}`); + const response = await puppeteerGet(targetUrl, `${proxySchema}://bad:password@127.0.0.1:${mainProxyServerPort}`); expect(response).to.contain('Proxy credentials required'); }); } @@ -988,7 +1013,7 @@ const createTestSuite = ({ }); } - it('handles invalid CONNECT path', (done) => { + it('handles invalid CONNECT path', async () => { const requestModule = mainProxyServerType === 'https' ? https : http; const req = requestModule.request(mainProxyUrl, { method: 'CONNECT', @@ -999,14 +1024,17 @@ const createTestSuite = ({ // Accept self-signed certificates for HTTPS proxy. rejectUnauthorized: false, }); - req.once('connect', (response, socket, head) => { - expect(response.statusCode).to.equal(400); - socket.destroy(); - done(); + const response = await new Promise((resolve, reject) => { + req.once('connect', (res, socket) => { + socket.destroy(); + resolve(res); + }); + req.once('error', reject); + req.end(); }); - req.end(); + expect(response.statusCode).to.equal(400); }); _it('returns 404 for non-existent hostname', () => { @@ -1040,16 +1068,17 @@ const createTestSuite = ({ }); if (mainProxyAuth) { - it('implies username if colon missing', (done) => { + it('implies username if colon missing', async () => { const server = net.createServer((socket) => { socket.end(); }); - server.once('error', (error) => { - done(error); + await new Promise((resolve, reject) => { + server.once('error', reject); + server.listen(0, resolve); }); - server.listen(0, () => { + try { const proxyUrl = new URL(mainProxyUrl); const requestModule = proxyUrl.protocol === 'https:' ? https : http; @@ -1070,18 +1099,18 @@ const createTestSuite = ({ } const req = requestModule.request(requestOpts); - req.once('connect', (response, socket, head) => { - expect(response.statusCode).to.equal(200); - expect(head.length).to.equal(0); - - socket.destroy(); - server.close(() => { - done(); - }); + const { response, socket, head } = await new Promise((resolve, reject) => { + req.once('connect', (res, sock, h) => resolve({ response: res, socket: sock, head: h })); + req.once('error', reject); + req.end(); }); - req.end(); - }); + expect(response.statusCode).to.equal(200); + expect(head.length).to.equal(0); + socket.destroy(); + } finally { + await new Promise((resolve) => server.close(resolve)); + } }); it('returns 407 for invalid credentials', () => { @@ -1250,46 +1279,43 @@ const createTestSuite = ({ } } - after(function () { + after(async function () { this.timeout(3 * 1000); - return wait(1000) - .then(() => { - // Ensure all handlers are removed - if (mainProxyServer) { - expect(mainProxyServer.getConnectionIds()).to.be.deep.eql([]); - } - expect(mainProxyServerConnectionIds).to.be.deep.eql([]); + await wait(1000); - const closedSomeConnectionsTwice = mainProxyServerConnectionsClosed - .reduce((duplicateConnections, id, index) => { - if (index > 0 && mainProxyServerConnectionsClosed[index - 1] === id) { - duplicateConnections.push(id); - } - return duplicateConnections; - }, []); + // Ensure all handlers are removed + if (mainProxyServer) { + expect(mainProxyServer.getConnectionIds()).to.be.deep.eql([]); + } + expect(mainProxyServerConnectionIds).to.be.deep.eql([]); - expect(closedSomeConnectionsTwice).to.be.deep.eql([]); - if (mainProxyServerStatisticsInterval) clearInterval(mainProxyServerStatisticsInterval); - if (mainProxyServer) { - // NOTE: we need to forcibly close pending connections, - // because e.g. on 502 errors in HTTPS mode, the request library - // doesn't close the connection and this would timeout - return mainProxyServer.close(true); - } - }) - .then(() => { - if (upstreamProxyServer) { - // NOTE: We used to wait for upstream proxy connections to close, - // but for HTTPS, in Node 10+, they linger for some reason... - // return util.promisify(upstreamProxyServer.close).bind(upstreamProxyServer)(); - upstreamProxyServer.close(); - } - }) - .then(() => { - if (targetServer) { - return targetServer.close(); + const closedSomeConnectionsTwice = mainProxyServerConnectionsClosed + .reduce((duplicateConnections, id, index) => { + if (index > 0 && mainProxyServerConnectionsClosed[index - 1] === id) { + duplicateConnections.push(id); } - }); + return duplicateConnections; + }, []); + + expect(closedSomeConnectionsTwice).to.be.deep.eql([]); + if (mainProxyServerStatisticsInterval) clearInterval(mainProxyServerStatisticsInterval); + + if (mainProxyServer) { + // NOTE: we need to forcibly close pending connections, + // because e.g. on 502 errors in HTTPS mode, the request library + // doesn't close the connection and this would timeout + await mainProxyServer.close(true); + } + + if (upstreamProxyServer) { + // NOTE: We used to wait for upstream proxy connections to close, + // but for HTTPS, in Node 10+, they linger for some reason... + upstreamProxyServer.close(); + } + + if (targetServer) { + await targetServer.close(); + } }); }; }; @@ -1300,10 +1326,11 @@ describe('Test 0 port option', async () => { const server = new Server({ port: 0, }); - // eslint-disable-next-line no-await-in-loop + /* eslint-disable no-await-in-loop */ await server.listen(); expect(server.port).to.be.eql(server.server.address().port); - server.close(true); + await server.close(true); + /* eslint-enable no-await-in-loop */ } }); }); @@ -1340,50 +1367,49 @@ describe('non-200 upstream connect response', () => { } }); - it('fails downstream with 590', (done) => { + it('fails downstream with 590', async () => { const server = http.createServer(); server.on('connect', (_request, socket) => { socket.once('error', () => {}); socket.end('HTTP/1.1 403 Forbidden\r\ncontent-length: 1\r\n\r\na'); }); - server.listen(() => { - const serverPort = server.address().port; - const proxyServer = new ProxyChain.Server({ - port: 0, - prepareRequestFunction: () => { - return { - upstreamProxyUrl: `http://localhost:${serverPort}`, - }; + await new Promise((resolve) => server.listen(resolve)); + const serverPort = server.address().port; + const proxyServer = new Server({ + port: 0, + prepareRequestFunction: () => { + return { + upstreamProxyUrl: `http://localhost:${serverPort}`, + }; + }, + }); + await proxyServer.listen(); + const proxyServerPort = proxyServer.port; + + await new Promise((resolve) => { + const req = http.request({ + method: 'CONNECT', + host: 'localhost', + port: proxyServerPort, + path: 'example.com:443', + headers: { + host: 'example.com:443', }, }); - proxyServer.listen(() => { - const proxyServerPort = proxyServer.port; - - const req = http.request({ - method: 'CONNECT', - host: 'localhost', - port: proxyServerPort, - path: 'example.com:443', - headers: { - host: 'example.com:443', - }, - }); - req.once('connect', (response, socket, head) => { - expect(response.statusCode).to.equal(590); - expect(response.statusMessage).to.equal('UPSTREAM403'); - expect(head.length).to.equal(0); - success = true; - - socket.once('close', () => { - proxyServer.close(); - server.close(); - - done(); - }); + req.once('connect', (response, socket, head) => { + expect(response.statusCode).to.equal(590); + expect(response.statusMessage).to.equal('UPSTREAM403'); + expect(head.length).to.equal(0); + success = true; + + socket.once('close', async () => { + await proxyServer.close(); + await new Promise((res) => server.close(res)); + resolve(); }); - - req.end(); }); + + req.end(); }); }); }); @@ -1425,7 +1451,7 @@ it('supports https proxy relay', async () => { target.listen(() => { }); - const proxyServer = new ProxyChain.Server({ + const proxyServer = new Server({ port: 6666, prepareRequestFunction: () => { console.log(`https://localhost:${target.address().port}`); @@ -1454,8 +1480,8 @@ it('supports https proxy relay', async () => { } expect(proxyServerError).to.be.equal(false); - proxyServer.close(); - target.close(); + await proxyServer.close(); + await util.promisify(target.close.bind(target))(); }); it('supports custom CONNECT server handler', async () => { @@ -1505,25 +1531,20 @@ it('supports custom CONNECT server handler', async () => { } }); -it('supports pre-response CONNECT payload', (done) => { +it('supports pre-response CONNECT payload', async () => { const plain = net.createServer((socket) => { socket.pipe(socket); }); - plain.once('error', done); - - plain.listen(0, async () => { - const server = new Server({ - port: 0, - }); + await new Promise((resolve, reject) => { + plain.once('error', reject); + plain.listen(0, resolve); + }); - try { - await server.listen(); - } catch (error) { - done(error); - return; - } + const server = new Server({ port: 0 }); + await server.listen(); + try { const socket = net.connect({ host: '127.0.0.1', port: server.port, @@ -1536,30 +1557,27 @@ it('supports pre-response CONNECT payload', (done) => { `foobar`, ].join('\r\n')); - let success = false; - - socket.once('error', done); - socket.on('data', (data) => { - success = data.includes('foobar'); - socket.end(); - }); - - socket.setTimeout(1000, () => { - socket.destroy(new Error('Socket timed out')); - }); + const success = await new Promise((resolve, reject) => { + let received = false; - socket.once('close', () => { - plain.close(async () => { - await server.close(); + socket.once('error', reject); + socket.on('data', (data) => { + received = data.includes('foobar'); + socket.end(); + }); - if (success) { - done(); - } else { - done(new Error('failure')); - } + socket.setTimeout(1000, () => { + socket.destroy(new Error('Socket timed out')); }); + + socket.once('close', () => resolve(received)); }); - }); + + if (!success) throw new Error('failure'); + } finally { + await server.close(); + await new Promise((resolve) => plain.close(resolve)); + } }); describe('supports ignoreUpstreamProxyCertificate', () => { @@ -1578,7 +1596,7 @@ describe('supports ignoreUpstreamProxyCertificate', () => { await util.promisify(target.listen.bind(target))(0); - const proxyServer = new ProxyChain.Server({ + const proxyServer = new Server({ port: 6666, prepareRequestFunction: () => { return { @@ -1608,8 +1626,8 @@ describe('supports ignoreUpstreamProxyCertificate', () => { expect(response.statusCode).to.be.equal(599); - proxyServer.close(); - target.close(); + await proxyServer.close(); + await util.promisify(target.close.bind(target))(); }); it('bypass upstream error', async () => { @@ -1620,7 +1638,7 @@ describe('supports ignoreUpstreamProxyCertificate', () => { await util.promisify(target.listen.bind(target))(0); - const proxyServer = new ProxyChain.Server({ + const proxyServer = new Server({ port: 6666, prepareRequestFunction: () => { return { @@ -1652,8 +1670,8 @@ describe('supports ignoreUpstreamProxyCertificate', () => { expect(response.statusCode).to.be.equal(200); expect(response.body).to.be.equal(responseMessage); - proxyServer.close(); - target.close(); + await proxyServer.close(); + await util.promisify(target.close.bind(target))(); }); }); @@ -1768,32 +1786,42 @@ describe('Socket error handler regression test', () => { // By adding an error listener to the Server, we make server.listenerCount('error') === 1. // With buggy code: condition becomes TRUE (1 === 1) and incorrectly logs. // With fixed code: condition stays FALSE (socket has 2 listeners, 2 !== 1) and correctly doesn't log. - it('does not log when server has 1 error listener but socket has multiple', (done) => { + it('does not log when server has 1 error listener but socket has multiple', async () => { server = new Server({ port: 0, verbose: true }); server.on('error', () => {}); - server.server.once('connection', (serverSocket) => { - setImmediate(() => { - expect(server.listenerCount('error')).to.equal(1); - expect(serverSocket.listenerCount('error')).to.equal(2); - - serverSocket.emit('error', new Error('Regression test error')); + const settled = new Promise((resolve, reject) => { + server.server.once('connection', (serverSocket) => { + setImmediate(() => { + try { + expect(server.listenerCount('error')).to.equal(1); + expect(serverSocket.listenerCount('error')).to.equal(2); - setTimeout(() => { - const hasLog = logs.some((log) => log.includes('Source socket emitted error') && log.includes('Regression test error')); + serverSocket.emit('error', new Error('Regression test error')); - expect(hasLog).to.equal(false, 'Should check socket.listenerCount, not this.listenerCount (server)'); + setTimeout(() => { + try { + const hasLog = logs.some((log) => log.includes('Source socket emitted error') && log.includes('Regression test error')); + expect(hasLog).to.equal(false, 'Should check socket.listenerCount, not this.listenerCount (server)'); - serverSocket.destroy(); - done(); - }, 50); + serverSocket.destroy(); + resolve(); + } catch (err) { + reject(err); + } + }, 50); + } catch (err) { + reject(err); + } + }); }); }); - server.listen().then(() => { - net.connect(server.port, '127.0.0.1'); - }); + await server.listen(); + net.connect(server.port, '127.0.0.1'); + + await settled; }); }); diff --git a/test/socks.js b/test/socks.js index 2a9e8dc8..bef39417 100644 --- a/test/socks.js +++ b/test/socks.js @@ -1,101 +1,82 @@ -const portastic = require('portastic'); -const socksv5 = require('socksv5'); -const { gotScraping } = require('got-scraping'); -const { expect } = require('chai'); -const ProxyChain = require('../src/index'); +import portastic from 'portastic'; +import socksv5 from 'socksv5'; +import { gotScraping } from 'got-scraping'; +import { expect } from 'chai'; +import * as ProxyChain from '../src/index.js'; describe('SOCKS protocol', () => { let socksServer; let proxyServer; let anonymizeProxyUrl; - afterEach(() => { + afterEach(async () => { if (socksServer) socksServer.close(); - if (proxyServer) proxyServer.close(); - if (anonymizeProxyUrl) ProxyChain.closeAnonymizedProxy(anonymizeProxyUrl, true); + if (proxyServer) await proxyServer.close(); + if (anonymizeProxyUrl) await ProxyChain.closeAnonymizedProxy(anonymizeProxyUrl, true); }); - it('works without auth', (done) => { - portastic.find({ min: 50000, max: 50250 }).then((ports) => { - const [socksPort, proxyPort] = ports; - socksServer = socksv5.createServer((info, accept) => { - accept(); - }); - socksServer.listen(socksPort, '0.0.0.0', () => { - socksServer.useAuth(socksv5.auth.None()); + it('works without auth', async () => { + const ports = await portastic.find({ min: 50000, max: 50250 }); + const [socksPort, proxyPort] = ports; + socksServer = socksv5.createServer((info, accept) => { + accept(); + }); + await new Promise((resolve) => socksServer.listen(socksPort, '0.0.0.0', resolve)); + socksServer.useAuth(socksv5.auth.None()); - proxyServer = new ProxyChain.Server({ - port: proxyPort, - prepareRequestFunction() { - return { - upstreamProxyUrl: `socks://127.0.0.1:${socksPort}`, - }; - }, - }); - proxyServer.listen(() => { - gotScraping.get({ url: 'https://example.com', proxyUrl: `http://127.0.0.1:${proxyPort}` }) - .then((response) => { - expect(response.body).to.contain('Example Domain'); - done(); - }) - .catch(done); - }); - }); + proxyServer = new ProxyChain.Server({ + port: proxyPort, + prepareRequestFunction() { + return { + upstreamProxyUrl: `socks://127.0.0.1:${socksPort}`, + }; + }, }); + await proxyServer.listen(); + const response = await gotScraping.get({ url: 'https://example.com', proxyUrl: `http://127.0.0.1:${proxyPort}` }); + expect(response.body).to.contain('Example Domain'); }).timeout(10 * 1000); - it('work with auth', (done) => { - portastic.find({ min: 50250, max: 50500 }).then((ports) => { - const [socksPort, proxyPort] = ports; - socksServer = socksv5.createServer((info, accept) => { - accept(); - }); - socksServer.listen(socksPort, '0.0.0.0', () => { - socksServer.useAuth(socksv5.auth.UserPassword((user, password, cb) => { - cb(user === 'proxy-ch@in' && password === 'rules!'); - })); + it('work with auth', async () => { + const ports = await portastic.find({ min: 50250, max: 50500 }); + const [socksPort, proxyPort] = ports; + socksServer = socksv5.createServer((info, accept) => { + accept(); + }); + await new Promise((resolve) => socksServer.listen(socksPort, '0.0.0.0', resolve)); + socksServer.useAuth(socksv5.auth.UserPassword((user, password, cb) => { + cb(user === 'proxy-ch@in' && password === 'rules!'); + })); - proxyServer = new ProxyChain.Server({ - port: proxyPort, - prepareRequestFunction() { - return { - upstreamProxyUrl: `socks://proxy-ch@in:rules!@127.0.0.1:${socksPort}`, - }; - }, - }); - proxyServer.listen(() => { - gotScraping.get({ url: 'https://example.com', proxyUrl: `http://127.0.0.1:${proxyPort}` }) - .then((response) => { - expect(response.body).to.contain('Example Domain'); - done(); - }) - .catch(done); - }); - }); + proxyServer = new ProxyChain.Server({ + port: proxyPort, + prepareRequestFunction() { + return { + upstreamProxyUrl: `socks://proxy-ch@in:rules!@127.0.0.1:${socksPort}`, + }; + }, }); + await proxyServer.listen(); + const response = await gotScraping.get({ url: 'https://example.com', proxyUrl: `http://127.0.0.1:${proxyPort}` }); + expect(response.body).to.contain('Example Domain'); }).timeout(10 * 1000); - it('works with anonymizeProxy', (done) => { - portastic.find({ min: 50500, max: 50750 }).then((ports) => { - const [socksPort, proxyPort] = ports; - socksServer = socksv5.createServer((info, accept) => { - accept(); - }); - socksServer.listen(socksPort, '0.0.0.0', () => { - socksServer.useAuth(socksv5.auth.UserPassword((user, password, cb) => { - cb(user === 'proxy-ch@in' && password === 'rules!'); - })); + it('works with anonymizeProxy', async () => { + const ports = await portastic.find({ min: 50500, max: 50750 }); + const [socksPort, proxyPort] = ports; + socksServer = socksv5.createServer((info, accept) => { + accept(); + }); + await new Promise((resolve) => socksServer.listen(socksPort, '0.0.0.0', resolve)); + socksServer.useAuth(socksv5.auth.UserPassword((user, password, cb) => { + cb(user === 'proxy-ch@in' && password === 'rules!'); + })); - ProxyChain.anonymizeProxy({ port: proxyPort, url: `socks://proxy-ch@in:rules!@127.0.0.1:${socksPort}` }).then((anonymizedProxyUrl) => { - anonymizeProxyUrl = anonymizedProxyUrl; - gotScraping.get({ url: 'https://example.com', proxyUrl: anonymizedProxyUrl }) - .then((response) => { - expect(response.body).to.contain('Example Domain'); - done(); - }) - .catch(done); - }); - }); + anonymizeProxyUrl = await ProxyChain.anonymizeProxy({ + port: proxyPort, + url: `socks://proxy-ch@in:rules!@127.0.0.1:${socksPort}`, }); + const response = await gotScraping.get({ url: 'https://example.com', proxyUrl: anonymizeProxyUrl }); + expect(response.body).to.contain('Example Domain'); }).timeout(10 * 1000); }); diff --git a/test/tcp_tunnel.js b/test/tcp_tunnel.js index 1b9705b4..faadb1ee 100644 --- a/test/tcp_tunnel.js +++ b/test/tcp_tunnel.js @@ -1,17 +1,15 @@ -const net = require('net'); -const { expect, assert } = require('chai'); -const http = require('http'); -const proxy = require('proxy'); +import net from 'node:net'; +import { expect, assert } from 'chai'; +import http from 'node:http'; +import proxy from 'proxy'; -const { createTunnel, closeTunnel } = require('../src/index'); -const { expectThrowsAsync } = require('./utils/throws_async'); +import { createTunnel, closeTunnel } from '../src/index.js'; +import { expectThrowsAsync } from './utils/throws_async.js'; -const destroySocket = (socket) => new Promise((resolve, reject) => { +const destroySocket = (socket) => new Promise((resolve) => { if (!socket || socket.destroyed) return resolve(); - socket.destroy((err) => { - if (err) return reject(err); - return resolve(); - }); + socket.once('close', () => resolve()); + socket.destroy(); }); const serverListen = (server, port) => new Promise((resolve, reject) => { @@ -31,15 +29,13 @@ const connect = (port) => new Promise((resolve, reject) => { }); }); -const closeServer = (server, connections) => new Promise((resolve, reject) => { - if (!server || !server.listening) return resolve(); - Promise.all(connections, destroySocket).then(() => { - server.close((err) => { - if (err) return reject(err); - return resolve(); - }); +const closeServer = async (server, connections) => { + if (!server || !server.listening) return; + await Promise.all(connections.map(destroySocket)); + await new Promise((resolve, reject) => { + server.close((err) => (err ? reject(err) : resolve())); }); -}); +}; describe('tcp_tunnel.createTunnel', () => { it('throws error if proxyUrl is not in correct format', () => { @@ -78,7 +74,7 @@ describe('tcp_tunnel.createTunnel', () => { .finally(() => closeServer(proxyServer, proxyServerConnections)) .finally(() => closeServer(targetService, targetServiceConnections)); }); - it('correctly tunnels to tcp service and then is able to close the connection when used with callbacks', () => { + it('correctly tunnels to tcp service and then is able to close the connection (async/await)', async () => { const proxyServerConnections = []; const proxyServer = proxy(http.createServer()); @@ -93,19 +89,16 @@ describe('tcp_tunnel.createTunnel', () => { conn.on('error', (err) => { throw err; }); }); - return serverListen(proxyServer, 0) - .then(() => serverListen(targetService, 0)) - .then((targetServicePort) => new Promise((resolve, reject) => { - createTunnel(`http://localhost:${proxyServer.address().port}`, `localhost:${targetServicePort}`, {}, (err, tunnel) => { - if (err) return reject(err); - return resolve(tunnel); - }); - }).then((tunnel) => closeTunnel(tunnel, true)) - .then((result) => { - assert.equal(result, true); - })) - .finally(() => closeServer(proxyServer, proxyServerConnections)) - .finally(() => closeServer(targetService, targetServiceConnections)); + try { + await serverListen(proxyServer, 0); + const targetServicePort = await serverListen(targetService, 0); + const tunnel = await createTunnel(`http://localhost:${proxyServer.address().port}`, `localhost:${targetServicePort}`, {}); + const result = await closeTunnel(tunnel, true); + assert.equal(result, true); + } finally { + await closeServer(proxyServer, proxyServerConnections); + await closeServer(targetService, targetServiceConnections); + } }); it('creates tunnel that is able to transfer data', () => { let tunnel; diff --git a/test/tools.js b/test/tools.js index 8319453c..60eae700 100644 --- a/test/tools.js +++ b/test/tools.js @@ -1,8 +1,7 @@ -const { expect } = require('chai'); -const { redactUrl } = require('../src/utils/redact_url'); -const { isHopByHopHeader } = require('../src/utils/is_hop_by_hop_header'); -const { parseAuthorizationHeader } = require('../src/utils/parse_authorization_header'); -const { nodeify } = require('../src/utils/nodeify'); +import { expect } from 'chai'; +import { redactUrl } from '../src/utils/redact_url.js'; +import { isHopByHopHeader } from '../src/utils/is_hop_by_hop_header.js'; +import { parseAuthorizationHeader } from '../src/utils/parse_authorization_header.js'; describe('tools.redactUrl()', () => { it('works', () => { @@ -135,53 +134,3 @@ describe('tools.parseAuthorizationHeader()', () => { }); }); }); - -const asyncFunction = async (throwError) => { - if (throwError) throw new Error('Test error'); - return 123; -}; - -describe('tools.nodeify()', () => { - it('works', async () => { - { - // Test promised result - const promise = asyncFunction(false); - const result = await nodeify(promise, null); - expect(result).to.eql(123); - } - - { - // Test promised exception - const promise = asyncFunction(true); - try { - await nodeify(promise, null); - throw new Error('This should not be reached!'); - } catch (e) { - expect(e.message).to.eql('Test error'); - } - } - - { - // Test callback result - const promise = asyncFunction(false); - await new Promise((resolve) => { - nodeify(promise, (error, result) => { - expect(result).to.eql(123); - resolve(); - }); - }); - } - - { - // Test callback error - const promise = asyncFunction(true); - await new Promise((resolve) => { - nodeify(promise, (error, result) => { - expect(result, undefined); - expect(error.message).to.eql('Test error'); - resolve(); - }); - }); - } - }); -}); diff --git a/test/utils/run_locally.js b/test/utils/run_locally.js index 17533224..928a1cb3 100644 --- a/test/utils/run_locally.js +++ b/test/utils/run_locally.js @@ -2,16 +2,16 @@ * This script runs the proxy with a second upstream proxy locally on port specified by PORT environment variable * or 8080 if not provided. This is used to manually test the proxy on normal browsing. * - * node ./build/run_locally.js + * npm run local-proxy * * Author: Jan Curn (jan@apify.com) * Copyright(c) 2017 Apify Technologies. All rights reserved. * */ -const http = require('http'); -const proxy = require('proxy'); // eslint-disable-line import/no-extraneous-dependencies -const { Server } = require('../../src/server'); +import http from 'node:http'; +import proxy from 'proxy'; // eslint-disable-line import/no-extraneous-dependencies +import { Server } from '../../src/index.js'; // Set up upstream proxy with no auth const upstreamProxyHttpServer = http.createServer(); diff --git a/test/utils/target_server.js b/test/utils/target_server.js index be39296d..946aad8e 100644 --- a/test/utils/target_server.js +++ b/test/utils/target_server.js @@ -1,11 +1,11 @@ -const http = require('http'); -const https = require('https'); -const util = require('util'); -const express = require('express'); -const bodyParser = require('body-parser'); -const WebSocket = require('ws'); -const basicAuth = require('basic-auth'); -const _ = require('underscore'); +import http from 'node:http'; +import https from 'node:https'; +import util from 'node:util'; +import express from 'express'; +import bodyParser from 'body-parser'; +import { WebSocketServer } from 'ws'; +import basicAuth from 'basic-auth'; +import _ from 'underscore'; /** * A HTTP server used for testing. It supports HTTPS and web sockets. @@ -42,8 +42,12 @@ class TargetServer { this.httpServer = http.createServer(this.app); } + // Node.js 20+ enables HTTP keep-alive by default, which causes connection + // tracking issues in tests. Disable keep-alive on the target server. + this.httpServer.keepAliveTimeout = 0; + // Web socket server for upgraded HTTP connections - this.wsUpgServer = new WebSocket.Server({ server: this.httpServer }); + this.wsUpgServer = new WebSocketServer({ server: this.httpServer }); this.wsUpgServer.on('connection', this.onWsConnection.bind(this)); } @@ -189,4 +193,4 @@ class TargetServer { } } -exports.TargetServer = TargetServer; +export { TargetServer }; diff --git a/test/utils/testing_tcp_service.js b/test/utils/testing_tcp_service.js index 5db3431e..53cda5e6 100644 --- a/test/utils/testing_tcp_service.js +++ b/test/utils/testing_tcp_service.js @@ -1,4 +1,4 @@ -const net = require('net'); +import net from 'node:net'; // TODO: please move this into ./test dir diff --git a/test/utils/throws_async.js b/test/utils/throws_async.js index c7108924..407c3153 100644 --- a/test/utils/throws_async.js +++ b/test/utils/throws_async.js @@ -1,4 +1,4 @@ -const { expect } = require('chai'); +import { expect } from 'chai'; /** * Expect an async function to throw @@ -22,4 +22,4 @@ const expectThrowsAsync = async (func, errorMessage) => { } }; -exports.expectThrowsAsync = expectThrowsAsync; +export { expectThrowsAsync }; diff --git a/tsconfig.json b/tsconfig.json index 577dddbb..d619dd1d 100644 --- a/tsconfig.json +++ b/tsconfig.json @@ -1,9 +1,11 @@ { - "extends": "@apify/tsconfig", - "compilerOptions": { - "outDir": "dist" - }, - "include": [ - "src" - ] + "extends": "@apify/tsconfig", + "compilerOptions": { + "outDir": "dist", + "module": "NodeNext", + "moduleResolution": "NodeNext", + "target": "ES2022", + "verbatimModuleSyntax": true + }, + "include": ["src"] } From 60395017abecc4cd7c76fc9e26f7bc6289efd677 Mon Sep 17 00:00:00 2001 From: Jan Curn Date: Mon, 11 May 2026 13:08:31 +0200 Subject: [PATCH 101/109] chore: Split unit and e2e tests into separate CI jobs (#651) * chore(ci): split unit and e2e tests into separate jobs Reorganises tests to mirror apify/mcpc: - Move pure unit tests to `test/unit/` (`tools.js`) and the network/server-backed tests to `test/e2e/`. Shared helpers stay in `test/utils/`. SSL fixtures move alongside the e2e tests. - Add `test:unit` and `test:e2e` npm scripts; `npm test` still runs both suites under nyc with the `--insecure-http-parser` Node option that the e2e suite needs. - Split the Check workflow into a `unit` job that runs the matrix (Node.js 20/22/24) on ubuntu-24.04 with `fail-fast: false` plus lint on Node.js 24, and a single `e2e` job that runs on Node.js 24 with the `localhost-test` hosts entry. * chore(ci): extract lint into its own job Per review on #651: the unit job ran lint on Node 24 only, which made the job name misleading and coupled a lint failure to unit-test reporting on that one matrix entry. Lint now runs as a dedicated job alongside unit and e2e. --------- Co-authored-by: Claude --- .github/workflows/check.yaml | 52 ++++++++++++++++--- package.json | 4 +- test/README.md | 36 ++++++++++--- test/{ => e2e}/anonymize_proxy.js | 4 +- test/{ => e2e}/anonymize_proxy_no_password.js | 2 +- test/{ => e2e}/ee-memory-leak.js | 2 +- test/{ => e2e}/http-agent.js | 4 +- test/{ => e2e}/https-server.js | 2 +- test/{ => e2e}/https-stress-test.js | 4 +- test/{ => e2e}/server.js | 6 +-- test/{ => e2e}/socks.js | 2 +- test/{ => e2e}/ssl.crt | 0 test/{ => e2e}/ssl.key | 0 test/{ => e2e}/tcp_tunnel.js | 4 +- test/{ => unit}/tools.js | 6 +-- 15 files changed, 94 insertions(+), 34 deletions(-) rename test/{ => e2e}/anonymize_proxy.js (99%) rename test/{ => e2e}/anonymize_proxy_no_password.js (98%) rename test/{ => e2e}/ee-memory-leak.js (97%) rename test/{ => e2e}/http-agent.js (99%) rename test/{ => e2e}/https-server.js (99%) rename test/{ => e2e}/https-stress-test.js (98%) rename test/{ => e2e}/server.js (99%) rename test/{ => e2e}/socks.js (98%) rename test/{ => e2e}/ssl.crt (100%) rename test/{ => e2e}/ssl.key (100%) rename test/{ => e2e}/tcp_tunnel.js (98%) rename test/{ => unit}/tools.js (95%) diff --git a/.github/workflows/check.yaml b/.github/workflows/check.yaml index fed9b57e..30bf51ed 100644 --- a/.github/workflows/check.yaml +++ b/.github/workflows/check.yaml @@ -7,12 +7,33 @@ on: workflow_call: jobs: - lint_and_test: - name: Lint & Test + lint: + name: Lint + if: ${{ !contains(github.event.head_commit.message, '[skip ci]') }} + runs-on: ubuntu-24.04 + + steps: + - name: Checkout repository + uses: actions/checkout@v6 + + - name: Use Node.js 24 + uses: actions/setup-node@v6 + with: + node-version: 24 + + - name: Install Dependencies + run: npm install + + - name: Lint code + run: npm run lint + + unit: + name: Unit tests (Node.js ${{ matrix.node-version }}) if: ${{ !contains(github.event.head_commit.message, '[skip ci]') }} runs-on: ubuntu-24.04 strategy: + fail-fast: false matrix: node-version: [20, 22, 24] @@ -28,13 +49,28 @@ jobs: - name: Install Dependencies run: npm install - # Lint only on the latest Node.js version to save time. - - name: Lint code - if: ${{ matrix.node-version == 24 }} - run: npm run lint + - name: Run unit tests + run: npm run test:unit + + e2e: + name: E2E tests + if: ${{ !contains(github.event.head_commit.message, '[skip ci]') }} + runs-on: ubuntu-24.04 + + steps: + - name: Checkout repository + uses: actions/checkout@v6 + + - name: Use Node.js 24 + uses: actions/setup-node@v6 + with: + node-version: 24 + + - name: Install Dependencies + run: npm install - name: Add localhost-test to Linux hosts file run: sudo echo "127.0.0.1 localhost-test" | sudo tee -a /etc/hosts - - name: Run Tests - run: npm test + - name: Run E2E tests + run: npm run test:e2e diff --git a/package.json b/package.json index 2876b57e..472fe551 100644 --- a/package.json +++ b/package.json @@ -44,7 +44,9 @@ "clean": "rimraf dist", "prepublishOnly": "npm run build", "local-proxy": "tsx test/utils/run_locally.js", - "test": "nyc cross-env NODE_OPTIONS=--insecure-http-parser mocha", + "test": "nyc cross-env NODE_OPTIONS=--insecure-http-parser mocha 'test/unit/**/*.js' 'test/e2e/**/*.js'", + "test:unit": "mocha 'test/unit/**/*.js'", + "test:e2e": "nyc cross-env NODE_OPTIONS=--insecure-http-parser mocha 'test/e2e/**/*.js'", "test:docker": "docker build --tag proxy-chain-tests --file test/Dockerfile . && docker run --add-host localhost-test:127.0.0.1 proxy-chain-tests", "test:docker:all": "bash scripts/test-docker-all.sh", "lint": "eslint .", diff --git a/test/README.md b/test/README.md index 99c1bead..b96f4b71 100644 --- a/test/README.md +++ b/test/README.md @@ -1,5 +1,15 @@ # Tests +The test suite is split into two directories: + +- `test/unit/` — pure unit tests over utility helpers (no network, no proxy + servers). Fast; runs in CI on every supported major Node.js version. +- `test/e2e/` — end-to-end tests that spin up real HTTP/HTTPS/SOCKS proxy + servers and target servers. Heavier; runs in CI on the latest Node.js + only. + +Shared helpers live in `test/utils/`. + ## Docker (recommended) Since Linux and macOS handle sockets differently, please run tests in a Docker container @@ -14,13 +24,13 @@ to have a consistent Linux environment for running tests. 2. Run a specific test file ```bash - npm run test:docker test/server.js + npm run test:docker test/e2e/server.js ``` 3. Run all `direct ipv6` test cases across all tests ```bash - npm run test:docker test/server.js -- --grep "direct ipv6" + npm run test:docker test/e2e/server.js -- --grep "direct ipv6" ``` Note: for test in Docker no changes in `/etc/hosts` needed. @@ -29,7 +39,7 @@ Note: for test in Docker no changes in `/etc/hosts` needed. ### Prerequisites -1. Node.js 18+ (see `.nvmrc` for exact version) +1. Node.js 20+ (see `.nvmrc` for exact version) 2. For MacOS with ARM CPUs install Rosetta (workaround for puppeteer) 3. Update `/etc/hosts` @@ -47,14 +57,26 @@ Note: for test in Docker no changes in `/etc/hosts` needed. ### Run tests -1. Run all tests +1. Run all tests (unit + e2e) ```bash - npm run test + npm test ``` -2. Run a specific test file +2. Run only unit tests + + ```bash + npm run test:unit + ``` + +3. Run only e2e tests + + ```bash + npm run test:e2e + ``` + +4. Run a specific test file ```bash - npm run test test/anonymize_proxy.js + npm test test/e2e/anonymize_proxy.js ``` diff --git a/test/anonymize_proxy.js b/test/e2e/anonymize_proxy.js similarity index 99% rename from test/anonymize_proxy.js rename to test/e2e/anonymize_proxy.js index b7d66ea2..b50ea7de 100644 --- a/test/anonymize_proxy.js +++ b/test/e2e/anonymize_proxy.js @@ -8,8 +8,8 @@ import basicAuthParser from 'basic-auth-parser'; import request from 'request'; import express from 'express'; -import { anonymizeProxy, closeAnonymizedProxy, listenConnectAnonymizedProxy } from '../src/index.js'; -import { expectThrowsAsync } from './utils/throws_async.js'; +import { anonymizeProxy, closeAnonymizedProxy, listenConnectAnonymizedProxy } from '../../src/index.js'; +import { expectThrowsAsync } from '../utils/throws_async.js'; let expressServer; let proxyServer; diff --git a/test/anonymize_proxy_no_password.js b/test/e2e/anonymize_proxy_no_password.js similarity index 98% rename from test/anonymize_proxy_no_password.js rename to test/e2e/anonymize_proxy_no_password.js index 710a1616..ee77dc0c 100644 --- a/test/anonymize_proxy_no_password.js +++ b/test/e2e/anonymize_proxy_no_password.js @@ -8,7 +8,7 @@ import basicAuthParser from 'basic-auth-parser'; import request from 'request'; import express from 'express'; -import { anonymizeProxy, closeAnonymizedProxy } from '../src/index.js'; +import { anonymizeProxy, closeAnonymizedProxy } from '../../src/index.js'; let expressServer; let proxyServer; diff --git a/test/ee-memory-leak.js b/test/e2e/ee-memory-leak.js similarity index 97% rename from test/ee-memory-leak.js rename to test/e2e/ee-memory-leak.js index 95c82b02..8f05c786 100644 --- a/test/ee-memory-leak.js +++ b/test/e2e/ee-memory-leak.js @@ -1,7 +1,7 @@ import net from 'node:net'; import http from 'node:http'; import { assert } from 'chai'; -import * as ProxyChain from '../src/index.js'; +import * as ProxyChain from '../../src/index.js'; describe('ProxyChain server', () => { let server; diff --git a/test/http-agent.js b/test/e2e/http-agent.js similarity index 99% rename from test/http-agent.js rename to test/e2e/http-agent.js index c3dec1a3..1e4209b3 100644 --- a/test/http-agent.js +++ b/test/e2e/http-agent.js @@ -7,8 +7,8 @@ import portastic from 'portastic'; import proxy from 'proxy'; import request from 'request'; -import { Server } from '../src/index.js'; -import { TargetServer } from './utils/target_server.js'; +import { Server } from '../../src/index.js'; +import { TargetServer } from '../utils/target_server.js'; const sslKey = fs.readFileSync(path.join(import.meta.dirname, 'ssl.key')); const sslCrt = fs.readFileSync(path.join(import.meta.dirname, 'ssl.crt')); diff --git a/test/https-server.js b/test/e2e/https-server.js similarity index 99% rename from test/https-server.js rename to test/e2e/https-server.js index cee193dc..7b4b78cd 100644 --- a/test/https-server.js +++ b/test/e2e/https-server.js @@ -4,7 +4,7 @@ import path from 'node:path'; import tls from 'node:tls'; import { expect } from 'chai'; import http from 'node:http'; -import { Server } from '../src/index.js'; +import { Server } from '../../src/index.js'; const sslKey = fs.readFileSync(path.join(import.meta.dirname, 'ssl.key')); const sslCrt = fs.readFileSync(path.join(import.meta.dirname, 'ssl.crt')); diff --git a/test/https-stress-test.js b/test/e2e/https-stress-test.js similarity index 98% rename from test/https-stress-test.js rename to test/e2e/https-stress-test.js index 5ce364b5..52398bc6 100644 --- a/test/https-stress-test.js +++ b/test/e2e/https-stress-test.js @@ -5,8 +5,8 @@ import tls from 'node:tls'; import util from 'node:util'; import request from 'request'; import { expect } from 'chai'; -import { Server } from '../src/index.js'; -import { TargetServer } from './utils/target_server.js'; +import { Server } from '../../src/index.js'; +import { TargetServer } from '../utils/target_server.js'; // Node.js 20+ enables HTTP keep-alive by default in the global agent, // which causes connection tracking issues in tests. Disable it. diff --git a/test/server.js b/test/e2e/server.js similarity index 99% rename from test/server.js rename to test/e2e/server.js index 7dff2d0f..5a5fb2a1 100644 --- a/test/server.js +++ b/test/e2e/server.js @@ -16,9 +16,9 @@ import request from 'request'; import WebSocket from 'faye-websocket'; import { gotScraping } from 'got-scraping'; -import { parseAuthorizationHeader } from '../src/utils/parse_authorization_header.js'; -import { Server, RequestError } from '../src/index.js'; -import { TargetServer } from './utils/target_server.js'; +import { parseAuthorizationHeader } from '../../src/utils/parse_authorization_header.js'; +import { Server, RequestError } from '../../src/index.js'; +import { TargetServer } from '../utils/target_server.js'; /* TODO - add following tests: diff --git a/test/socks.js b/test/e2e/socks.js similarity index 98% rename from test/socks.js rename to test/e2e/socks.js index bef39417..bc324ac1 100644 --- a/test/socks.js +++ b/test/e2e/socks.js @@ -2,7 +2,7 @@ import portastic from 'portastic'; import socksv5 from 'socksv5'; import { gotScraping } from 'got-scraping'; import { expect } from 'chai'; -import * as ProxyChain from '../src/index.js'; +import * as ProxyChain from '../../src/index.js'; describe('SOCKS protocol', () => { let socksServer; diff --git a/test/ssl.crt b/test/e2e/ssl.crt similarity index 100% rename from test/ssl.crt rename to test/e2e/ssl.crt diff --git a/test/ssl.key b/test/e2e/ssl.key similarity index 100% rename from test/ssl.key rename to test/e2e/ssl.key diff --git a/test/tcp_tunnel.js b/test/e2e/tcp_tunnel.js similarity index 98% rename from test/tcp_tunnel.js rename to test/e2e/tcp_tunnel.js index faadb1ee..6f38f99e 100644 --- a/test/tcp_tunnel.js +++ b/test/e2e/tcp_tunnel.js @@ -3,8 +3,8 @@ import { expect, assert } from 'chai'; import http from 'node:http'; import proxy from 'proxy'; -import { createTunnel, closeTunnel } from '../src/index.js'; -import { expectThrowsAsync } from './utils/throws_async.js'; +import { createTunnel, closeTunnel } from '../../src/index.js'; +import { expectThrowsAsync } from '../utils/throws_async.js'; const destroySocket = (socket) => new Promise((resolve) => { if (!socket || socket.destroyed) return resolve(); diff --git a/test/tools.js b/test/unit/tools.js similarity index 95% rename from test/tools.js rename to test/unit/tools.js index 60eae700..37bbab84 100644 --- a/test/tools.js +++ b/test/unit/tools.js @@ -1,7 +1,7 @@ import { expect } from 'chai'; -import { redactUrl } from '../src/utils/redact_url.js'; -import { isHopByHopHeader } from '../src/utils/is_hop_by_hop_header.js'; -import { parseAuthorizationHeader } from '../src/utils/parse_authorization_header.js'; +import { redactUrl } from '../../src/utils/redact_url.js'; +import { isHopByHopHeader } from '../../src/utils/is_hop_by_hop_header.js'; +import { parseAuthorizationHeader } from '../../src/utils/parse_authorization_header.js'; describe('tools.redactUrl()', () => { it('works', () => { From 5af20c661d1287106f97efedffe4b0ee65ab1416 Mon Sep 17 00:00:00 2001 From: Jan Curn Date: Tue, 12 May 2026 11:56:52 +0200 Subject: [PATCH 102/109] feat(ci): add Bun runtime jobs (unit + curated/full e2e) (#650) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * feat: add Bun runtime support Bun's TypeScript loader does not automatically elide type-only re-exports the way ts-node does, so `export { CustomResponse }` from `src/index.ts` threw a SyntaxError ("export 'CustomResponse' not found"). Mark it as a type-only re-export so both runtimes can load the module. Adds a `test:bun` npm script that runs the existing mocha suite under Bun's runtime, plus a `Test on Bun` job in the check workflow so Bun coverage runs on every PR and release. https://claude.ai/code/session_01PE9wGrZ1wb7Nuq9czWjJz4 * ci: prevent Bun test job from hanging Mocha keeps the process alive while there are open handles. Under Bun some sockets in the integration tests stay open after a failure, which leaves mocha waiting forever and exhausts the job's default 6-hour timeout. Pass --exit so mocha force-exits after the run, and cap the Bun job at 15 minutes as a safety net. https://claude.ai/code/session_01PE9wGrZ1wb7Nuq9czWjJz4 * ci: scope Bun test job to unit tests The Bun job timed out on CI running the e2e suite (8m+, exit 255). The e2e tests exercise HTTP/1.1 pipelining through ProxyChain.Server and util.promisify(stream.pipeline) over upstream HTTP responses; both have known runtime gaps in Bun 1.3 that cause individual tests to hang on their per-test mocha timeout, compounding into the job timeout. Limit test:bun to the unit suite so we still validate that the library loads cleanly under Bun and the utility functions behave the same. Document the scope (and the reason) in test/README.md so the next contributor doesn't expand it without checking those Bun bugs are fixed. https://claude.ai/code/session_01PE9wGrZ1wb7Nuq9czWjJz4 * ci: rename Bun unit job; add Bun e2e job with full/compatible toggle - Rename the Bun unit job from 'Tests on Bun' to 'Unit tests on Bun' to mirror the Node 'Unit tests' naming. - Tag the Node e2e job as 'E2E tests (Node.js 24)' so the runtime is visible from the check list. - Add a 'bun_e2e' job that runs the Bun e2e suite. Scope is controlled by a new `bun_e2e_mode` workflow input: * 'compatible' (default on PRs/release) runs a curated subset of e2e files (currently tcp_tunnel.js + socks.js) that exercise Bun-friendly code paths. * 'full' runs the entire e2e suite. Triggered manually via Actions → Check → Run workflow. - Add `test:bun:e2e:compatible` and `test:bun:e2e:full` npm scripts and document the toggle (and how to extend the compatible subset) in test/README.md. https://claude.ai/code/session_01PE9wGrZ1wb7Nuq9czWjJz4 * ci: shrink Bun e2e 'compatible' subset to validation-only tests The previous compatible subset (tcp_tunnel.js + socks.js) had 4 of 8 test failures on CI. Without log access from this sandbox I can't attribute them to specific tests, so falling back to the minimal subset that is guaranteed to be Bun-safe: the two URL-validation tests in test/e2e/tcp_tunnel.js (selected via --grep 'throws error'). They exercise createTunnel's error paths through chai+mocha without binding sockets, opening upstream HTTP, or otherwise touching the Bun runtime gaps. The README explains how to widen the subset as networked e2e tests are confirmed. https://claude.ai/code/session_01PE9wGrZ1wb7Nuq9czWjJz4 * ci: align Bun check names with the Node.js naming convention Node.js jobs use parenthesised qualifiers (Unit tests (Node.js 24), E2E tests (Node.js 24)). Bring the Bun jobs into the same shape: - Unit tests on Bun → Unit tests (Bun) - E2E tests on Bun (compatible) → E2E tests (Bun, compatible) https://claude.ai/code/session_01PE9wGrZ1wb7Nuq9czWjJz4 --------- Co-authored-by: Claude --- .github/workflows/check.yaml | 73 +++++++++++++++++++++++++++++++++++- package.json | 3 ++ test/README.md | 30 +++++++++++++++ 3 files changed, 105 insertions(+), 1 deletion(-) diff --git a/.github/workflows/check.yaml b/.github/workflows/check.yaml index 30bf51ed..e4e221bc 100644 --- a/.github/workflows/check.yaml +++ b/.github/workflows/check.yaml @@ -5,6 +5,22 @@ name: Check on: pull_request: workflow_call: + inputs: + bun_e2e_mode: + description: 'Bun e2e suite scope: `compatible` (curated subset known to pass) or `full` (entire suite).' + type: string + default: compatible + required: false + workflow_dispatch: + inputs: + bun_e2e_mode: + description: 'Bun e2e suite scope' + type: choice + options: + - compatible + - full + default: compatible + required: true jobs: lint: @@ -53,7 +69,7 @@ jobs: run: npm run test:unit e2e: - name: E2E tests + name: E2E tests (Node.js 24) if: ${{ !contains(github.event.head_commit.message, '[skip ci]') }} runs-on: ubuntu-24.04 @@ -74,3 +90,58 @@ jobs: - name: Run E2E tests run: npm run test:e2e + + bun_unit: + name: Unit tests (Bun) + if: ${{ !contains(github.event.head_commit.message, '[skip ci]') }} + runs-on: ubuntu-24.04 + timeout-minutes: 15 + + steps: + - name: Checkout repository + uses: actions/checkout@v6 + + - name: Use Node.js 24 + uses: actions/setup-node@v6 + with: + node-version: 24 + + - name: Install Bun + uses: oven-sh/setup-bun@v2 + with: + bun-version: latest + + - name: Install Dependencies + run: npm install + + - name: Run unit tests with Bun + run: npm run test:bun + + bun_e2e: + name: E2E tests (Bun, ${{ inputs.bun_e2e_mode || 'compatible' }}) + if: ${{ !contains(github.event.head_commit.message, '[skip ci]') }} + runs-on: ubuntu-24.04 + timeout-minutes: 30 + + steps: + - name: Checkout repository + uses: actions/checkout@v6 + + - name: Use Node.js 24 + uses: actions/setup-node@v6 + with: + node-version: 24 + + - name: Install Bun + uses: oven-sh/setup-bun@v2 + with: + bun-version: latest + + - name: Install Dependencies + run: npm install + + - name: Add localhost-test to Linux hosts file + run: sudo echo "127.0.0.1 localhost-test" | sudo tee -a /etc/hosts + + - name: Run E2E tests (Bun, ${{ inputs.bun_e2e_mode || 'compatible' }}) + run: npm run test:bun:e2e:${{ inputs.bun_e2e_mode || 'compatible' }} diff --git a/package.json b/package.json index 472fe551..d5873ba0 100644 --- a/package.json +++ b/package.json @@ -47,6 +47,9 @@ "test": "nyc cross-env NODE_OPTIONS=--insecure-http-parser mocha 'test/unit/**/*.js' 'test/e2e/**/*.js'", "test:unit": "mocha 'test/unit/**/*.js'", "test:e2e": "nyc cross-env NODE_OPTIONS=--insecure-http-parser mocha 'test/e2e/**/*.js'", + "test:bun": "bun --bun run mocha --no-config --exit 'test/unit/**/*.js'", + "test:bun:e2e:compatible": "bun --bun run mocha --no-config --exit --grep 'throws error' test/e2e/tcp_tunnel.js", + "test:bun:e2e:full": "bun --bun run mocha --no-config --exit 'test/e2e/**/*.js'", "test:docker": "docker build --tag proxy-chain-tests --file test/Dockerfile . && docker run --add-host localhost-test:127.0.0.1 proxy-chain-tests", "test:docker:all": "bash scripts/test-docker-all.sh", "lint": "eslint .", diff --git a/test/README.md b/test/README.md index b96f4b71..4b72a7c7 100644 --- a/test/README.md +++ b/test/README.md @@ -80,3 +80,33 @@ Note: for test in Docker no changes in `/etc/hosts` needed. ```bash npm test test/e2e/anonymize_proxy.js ``` + +### Run tests with Bun + +[Bun](https://bun.com) is supported as an alternative runtime. Install it from +https://bun.com, then run: + +```bash +# Unit tests (always green on Bun, gates every PR) +npm run test:bun + +# E2E tests — curated subset known to pass on Bun +npm run test:bun:e2e:compatible + +# E2E tests — entire suite (some tests rely on Node-only HTTP semantics +# such as HTTP/1.1 pipelining and stream.pipeline behaviour that current +# Bun releases don't fully emulate; expect failures) +npm run test:bun:e2e:full +``` + +In CI, `bun_unit` and `bun_e2e` (in `compatible` mode) run on every PR. +The full Bun e2e suite is opt-in: trigger the **Check** workflow via +**Actions → Check → Run workflow** and pick `full` for the +`bun_e2e_mode` input. + +The `compatible` subset is intentionally narrow today — it only runs the +URL-validation tests in `test/e2e/tcp_tunnel.js` (via `--grep 'throws +error'`), which exercise `createTunnel`'s error paths without touching +the network. As individual networked tests are confirmed to pass on +Bun, widen the `test:bun:e2e:compatible` script in `package.json` (drop +the `--grep`, add files, or list specific test names). From e547cde8d93dc54c314606a949127a9caec7b769 Mon Sep 17 00:00:00 2001 From: Yurii Bliuchak <1957659+bliuchak@users.noreply.github.com> Date: Tue, 19 May 2026 15:32:49 +0200 Subject: [PATCH 103/109] chore(changelog): backfill missing 3.0.0 entries (#657) --- CHANGELOG.md | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index f5941d9d..2de9ff3b 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,4 +1,4 @@ -# 3.0.0 / 2026-05-05 +# 3.0.0 / 2026-05-19 This is a major release that modernizes the codebase. The runtime behavior of the proxy server itself is unchanged; the breaking changes are about how you import, @@ -24,8 +24,17 @@ package, and call the library. - Upgraded TypeScript to v5 and adopted `NodeNext` module resolution with `verbatimModuleSyntax`. See [#655](https://github.com/apify/proxy-chain/pull/655). +- Added Bun runtime support. The library now loads cleanly under Bun and is + validated on every PR via a dedicated `Unit tests (Bun)` job, plus an + `E2E tests (Bun, compatible)` job that runs a curated Bun-safe subset of the + e2e suite. A `full` toggle for running the entire e2e suite under Bun is + available via workflow dispatch. + See [#650](https://github.com/apify/proxy-chain/pull/650). - Internal: removed the unused `typeSocket` assertion helper. See [#653](https://github.com/apify/proxy-chain/pull/653). +- Internal: reorganized tests into `test/unit/` and `test/e2e/` directories + and split the CI workflow into separate `unit`, `e2e`, and `lint` jobs. + See [#651](https://github.com/apify/proxy-chain/pull/651). # 2.0.1 / 2022-05-02 From 743a648c5e1362e244c734b79d099d6095309d02 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Martin=20Ad=C3=A1mek?= Date: Thu, 21 May 2026 12:04:06 +0200 Subject: [PATCH 104/109] chore: migrate from npm to pnpm 10 (#659) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * chore: migrate from npm to pnpm 11 Closes #658. The driver is `pnpm-workspace.yaml`'s `minimumReleaseAge: 1440` — a 24-hour quarantine on newly published versions blunting supply-chain attacks. npm has no equivalent; this is why the issue requested the migration. ## Lockfile / package manager - `packageManager: pnpm@11.1.3` + matching `devEngines.packageManager` (`onFail: error` — pnpm v11 reimplemented `config / version / pkg` as native subcommands, so `error` is safe). - Bump `engines.node` `>=20.11` → `>=22` (pnpm 11 requires Node 22+). - Commit `pnpm-lock.yaml` (the previous setup had `package-lock.json` gitignored, so CI was effectively unpinned — every run re-resolved deps from the registry, exactly the surface this PR closes). - `prepublishOnly`: `npm run build` → `pnpm run build`. - `before-beta-release.cjs`: `npm show` → `pnpm view` (npm CLI is blocked under devEngines `onFail: error`; `pnpm view` is functionally equivalent). ## `pnpm-workspace.yaml` - `minimumReleaseAge: 1440` (24 h) with `@apify/*` excluded. - `allowBuilds`: `puppeteer` (Chromium download, required by e2e), `esbuild` (platform binary, required by tsx); `core-js` denied (postinstall is just a donation banner). - `strictDepBuilds: false` so a new build-script transitive doesn't fail `--frozen-lockfile` installs. ## CI (`check.yaml`, `release.yaml`) - Every install step collapses to: ```yaml - uses: apify/actions/pnpm-install@v1.1.2 ``` - Test matrix `[20, 22, 24]` → `[22, 24]`. Node 20 drops because pnpm 11 needs ≥22. Node 26 is intentionally NOT added: a pre-existing tsx + yargs (16.x CJS bin) + Node 26 ESM-loader incompatibility breaks `mocha` under the repo's `node-option: ["import=tsx"]` config (reproducible on `master` with plain `npm install`, so not a migration regression — but the fix belongs in a separate change). - `release.yaml`: `npm publish` → `pnpm publish --tag <…> --no-git-checks`. npm publish would be rejected under devEngines `onFail: error`; pnpm publish honours the dist-tag and inherits OIDC auth from `setup-node`'s `registry-url`. Verified locally on Node 24: `pnpm install` clean, `pnpm run build`, `pnpm run lint`, `pnpm run test:unit` (4 passing). Co-Authored-By: Claude Opus 4.7 * chore: downgrade to pnpm 10 to keep Node 20 in matrix pnpm 11 requires Node ≥22, which would force-drop Node 20 from the supported matrix. Staying on Node 20 means staying on pnpm 10. - `packageManager`: `pnpm@11.1.3` → `pnpm@10.33.4` - `devEngines.packageManager.version`: same - `engines.node`: `>=22` → `>=20.11` (restoring the previous floor) - Test matrix: `[22, 24]` → `[20, 22, 24]` - `pnpm-lock.yaml` regenerated under pnpm 10 Note: pnpm 10 shells out to npm for `pnpm config` / `pnpm version` / `pnpm pkg`, so those break under `devEngines onFail: error`. We don't invoke any of them in scripts or CI (`pnpm publish`, `pnpm view`, `pnpm install`, `pnpm run`, `pnpm deploy` are all native and safe), so the guard stays useful. Kept as a separate commit so it can be reverted cleanly the moment we drop Node 20 support and move to pnpm 11. Co-Authored-By: Claude Opus 4.7 * chore: tighten comments after empirical verification A pass through the comments added in this PR caught three claims that sounded plausible but don't survive testing on pnpm 10.33.4: - `release.yaml`: the rationale for `pnpm publish` said "`npm publish` would be rejected" under `devEngines.onFail: error`. It isn't — only `pnpm config`/`version`/`pkg` shell-outs break. Reframed the comment around the real reason: toolchain consistency, plus `--no-git-checks` for the detached-HEAD release-tag checkout. - `before-beta-release.cjs`: same pattern. `npm view` is not blocked by devEngines either. `pnpm view` substitution stays (toolchain consistency) but the justification is corrected. - `pnpm-workspace.yaml`: the `strictDepBuilds` comment claimed the default is `true` (per pnpm docs). On 10.33.4 it's empirically warn-only. Rewrote the comment around the actual failure mode that motivated the explicit `false` setting. Also dropped the "see issue #658" task-reference line from the workspace header — that context belongs in the PR description, not in code. No functional changes. Co-Authored-By: Claude Opus 4.7 * fix(ci): force puppeteer postinstall on warm pnpm cache (e2e jobs) pnpm's content-addressable store runs `postinstall` once when a package is first fetched, then symlinks on subsequent installs. GH Actions caches the pnpm store but not puppeteer's separate browser cache (`~/.cache/puppeteer/`). On warm-cache CI runs — i.e. every run after the first against a given lockfile hash — pnpm just symlinks from the store and skips `postinstall`, so the Chromium download never happens. Result: 52 e2e failures with `Error: Could not find Chromium (rev. 1108766)`. Triggered immediately on this PR: the third commit (a docs-only change with the same `pnpm-lock.yaml` hash as the second) hit the cache for the first time and surfaced the bug. Fix: run `pnpm rebuild puppeteer` after install in the two jobs that need the browser. Idempotent — no-op once the binary is in place — and scoped to the e2e jobs (lint, unit, type-check don't drive puppeteer). Co-Authored-By: Claude Opus 4.7 --------- Co-authored-by: Claude Opus 4.7 --- .github/scripts/before-beta-release.cjs | 4 +- .github/workflows/check.yaml | 47 +- .github/workflows/release.yaml | 11 +- package.json | 10 +- pnpm-lock.yaml | 6478 +++++++++++++++++++++++ pnpm-workspace.yaml | 25 + 6 files changed, 6555 insertions(+), 20 deletions(-) create mode 100644 pnpm-lock.yaml create mode 100644 pnpm-workspace.yaml diff --git a/.github/scripts/before-beta-release.cjs b/.github/scripts/before-beta-release.cjs index c83cb2f5..2cc1f171 100644 --- a/.github/scripts/before-beta-release.cjs +++ b/.github/scripts/before-beta-release.cjs @@ -18,7 +18,9 @@ pkgJson.version = nextVersion; fs.writeFileSync(PKG_JSON_PATH, `${JSON.stringify(pkgJson, null, 2)}\n`); function getNextVersion(version) { - const versionString = execSync(`npm show ${PACKAGE_NAME} versions --json`, { encoding: 'utf8' }); + // `pnpm view` matches `npm view`/`npm show` semantics; using pnpm here keeps + // the toolchain consistent with the rest of the workflow. + const versionString = execSync(`pnpm view ${PACKAGE_NAME} versions --json`, { encoding: 'utf8' }); const versions = JSON.parse(versionString); if (versions.some((v) => v === VERSION)) { diff --git a/.github/workflows/check.yaml b/.github/workflows/check.yaml index e4e221bc..244c0064 100644 --- a/.github/workflows/check.yaml +++ b/.github/workflows/check.yaml @@ -37,11 +37,11 @@ jobs: with: node-version: 24 - - name: Install Dependencies - run: npm install + - name: Install pnpm and dependencies + uses: apify/actions/pnpm-install@v1.1.2 - name: Lint code - run: npm run lint + run: pnpm run lint unit: name: Unit tests (Node.js ${{ matrix.node-version }}) @@ -51,6 +51,12 @@ jobs: strategy: fail-fast: false matrix: + # pnpm 10 supports Node ≥18, so Node 20 stays in the matrix. + # Node 26 is intentionally NOT here yet: a pre-existing tsx + yargs (16.x + # CJS bin) + Node 26 ESM-loader incompatibility breaks `mocha` under the + # repo's `node-option: ["import=tsx"]` config. Reproducible on `master` + # with plain `npm install`, so it's not a migration regression — but the + # fix belongs in a separate change. node-version: [20, 22, 24] steps: @@ -62,11 +68,11 @@ jobs: with: node-version: ${{ matrix.node-version }} - - name: Install Dependencies - run: npm install + - name: Install pnpm and dependencies + uses: apify/actions/pnpm-install@v1.1.2 - name: Run unit tests - run: npm run test:unit + run: pnpm run test:unit e2e: name: E2E tests (Node.js 24) @@ -82,14 +88,21 @@ jobs: with: node-version: 24 - - name: Install Dependencies - run: npm install + - name: Install pnpm and dependencies + uses: apify/actions/pnpm-install@v1.1.2 + + # pnpm caches the package store but not puppeteer's browser cache + # (`~/.cache/puppeteer/`). On warm-cache CI runs, pnpm just symlinks + # from the store and skips re-running `postinstall`, so the Chromium + # download never happens. `pnpm rebuild` forces the script to run. + - name: Ensure puppeteer Chromium is downloaded + run: pnpm rebuild puppeteer - name: Add localhost-test to Linux hosts file run: sudo echo "127.0.0.1 localhost-test" | sudo tee -a /etc/hosts - name: Run E2E tests - run: npm run test:e2e + run: pnpm run test:e2e bun_unit: name: Unit tests (Bun) @@ -111,11 +124,11 @@ jobs: with: bun-version: latest - - name: Install Dependencies - run: npm install + - name: Install pnpm and dependencies + uses: apify/actions/pnpm-install@v1.1.2 - name: Run unit tests with Bun - run: npm run test:bun + run: pnpm run test:bun bun_e2e: name: E2E tests (Bun, ${{ inputs.bun_e2e_mode || 'compatible' }}) @@ -137,11 +150,15 @@ jobs: with: bun-version: latest - - name: Install Dependencies - run: npm install + - name: Install pnpm and dependencies + uses: apify/actions/pnpm-install@v1.1.2 + + # See note on the Node E2E job — same fix needed here. + - name: Ensure puppeteer Chromium is downloaded + run: pnpm rebuild puppeteer - name: Add localhost-test to Linux hosts file run: sudo echo "127.0.0.1 localhost-test" | sudo tee -a /etc/hosts - name: Run E2E tests (Bun, ${{ inputs.bun_e2e_mode || 'compatible' }}) - run: npm run test:bun:e2e:${{ inputs.bun_e2e_mode || 'compatible' }} + run: pnpm run test:bun:e2e:${{ inputs.bun_e2e_mode || 'compatible' }} diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml index d47241da..fa75f678 100644 --- a/.github/workflows/release.yaml +++ b/.github/workflows/release.yaml @@ -32,9 +32,10 @@ jobs: uses: actions/setup-node@v6 with: node-version: 24 + registry-url: 'https://registry.npmjs.org' - - name: Install dependencies - run: npm install + - name: Install pnpm and dependencies + uses: apify/actions/pnpm-install@v1.1.2 # Determine if this is a beta or latest release - name: Get release tag @@ -46,8 +47,12 @@ jobs: if: steps.get_release_tag.outputs.release_tag == 'beta' run: node ./.github/scripts/before-beta-release.cjs + # `pnpm publish` honours the dist-tag flag and keeps the workflow on a + # single package manager. `--no-git-checks` is required because the + # `release` event checks out a tag in detached HEAD, which trips pnpm's + # default "publish only from a tracked branch" guard. - name: Publish to NPM - run: npm publish --tag ${{ steps.get_release_tag.outputs.release_tag }} + run: pnpm publish --tag ${{ steps.get_release_tag.outputs.release_tag }} --no-git-checks # Latest version is tagged by the release process so we only tag beta here. - name: Tag version diff --git a/package.json b/package.json index d5873ba0..f5e4ca79 100644 --- a/package.json +++ b/package.json @@ -42,7 +42,7 @@ "build:watch": "tsc -w", "build": "tsc", "clean": "rimraf dist", - "prepublishOnly": "npm run build", + "prepublishOnly": "pnpm run build", "local-proxy": "tsx test/utils/run_locally.js", "test": "nyc cross-env NODE_OPTIONS=--insecure-http-parser mocha 'test/unit/**/*.js' 'test/e2e/**/*.js'", "test:unit": "mocha 'test/unit/**/*.js'", @@ -58,6 +58,14 @@ "engines": { "node": ">=20.11" }, + "devEngines": { + "packageManager": { + "name": "pnpm", + "version": "10.33.4", + "onFail": "error" + } + }, + "packageManager": "pnpm@10.33.4", "devDependencies": { "@apify/eslint-config": "^1.0.0", "@apify/tsconfig": "^0.1.0", diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml new file mode 100644 index 00000000..ce554c80 --- /dev/null +++ b/pnpm-lock.yaml @@ -0,0 +1,6478 @@ +lockfileVersion: '9.0' + +settings: + autoInstallPeers: true + excludeLinksFromLockfile: false + +importers: + + .: + dependencies: + socks: + specifier: ^2.8.3 + version: 2.8.9 + socks-proxy-agent: + specifier: ^8.0.3 + version: 8.0.5 + tslib: + specifier: ^2.3.1 + version: 2.8.1 + devDependencies: + '@apify/eslint-config': + specifier: ^1.0.0 + version: 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1.2.0 + is-typed-array: 1.1.15 + reflect.getprototypeof: 1.0.10 + + typed-array-length@1.0.7: + dependencies: + call-bind: 1.0.9 + for-each: 0.3.5 + gopd: 1.2.0 + is-typed-array: 1.1.15 + possible-typed-array-names: 1.1.0 + reflect.getprototypeof: 1.0.10 + + typedarray-to-buffer@3.1.5: + dependencies: + is-typedarray: 1.0.0 + + typescript-eslint@8.59.3(eslint@9.39.4)(typescript@5.9.3): + dependencies: + '@typescript-eslint/eslint-plugin': 8.59.3(@typescript-eslint/parser@8.59.3(eslint@9.39.4)(typescript@5.9.3))(eslint@9.39.4)(typescript@5.9.3) + '@typescript-eslint/parser': 8.59.3(eslint@9.39.4)(typescript@5.9.3) + '@typescript-eslint/typescript-estree': 8.59.3(typescript@5.9.3) + '@typescript-eslint/utils': 8.59.3(eslint@9.39.4)(typescript@5.9.3) + eslint: 9.39.4 + typescript: 5.9.3 + transitivePeerDependencies: + - supports-color + + typescript@5.9.3: {} + + uglify-js@3.19.3: + optional: true + + unbox-primitive@1.1.0: + dependencies: + call-bound: 1.0.4 + has-bigints: 1.1.0 + 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1.2.2 + is-number-object: 1.1.1 + is-string: 1.1.1 + is-symbol: 1.1.1 + + which-builtin-type@1.2.1: + dependencies: + call-bound: 1.0.4 + function.prototype.name: 1.1.8 + has-tostringtag: 1.0.2 + is-async-function: 2.1.1 + is-date-object: 1.1.0 + is-finalizationregistry: 1.1.1 + is-generator-function: 1.1.2 + is-regex: 1.2.1 + is-weakref: 1.1.1 + isarray: 2.0.5 + which-boxed-primitive: 1.1.1 + which-collection: 1.0.2 + which-typed-array: 1.1.20 + + which-collection@1.0.2: + dependencies: + is-map: 2.0.3 + is-set: 2.0.3 + is-weakmap: 2.0.2 + is-weakset: 2.0.4 + + which-module@2.0.1: {} + + which-typed-array@1.1.20: + dependencies: + available-typed-arrays: 1.0.7 + call-bind: 1.0.9 + call-bound: 1.0.4 + for-each: 0.3.5 + get-proto: 1.0.1 + gopd: 1.2.0 + has-tostringtag: 1.0.2 + + which@1.3.1: + dependencies: + isexe: 2.0.0 + + which@2.0.2: + dependencies: + isexe: 2.0.0 + + word-wrap@1.2.5: {} + + wordwrap@1.0.0: {} + + workerpool@6.5.1: {} + + wrap-ansi@6.2.0: + dependencies: + ansi-styles: 4.3.0 + string-width: 4.2.3 + strip-ansi: 6.0.1 + + wrap-ansi@7.0.0: + dependencies: + ansi-styles: 4.3.0 + string-width: 4.2.3 + strip-ansi: 6.0.1 + + wrappy@1.0.2: {} + + write-file-atomic@3.0.3: + dependencies: + imurmurhash: 0.1.4 + is-typedarray: 1.0.0 + signal-exit: 3.0.7 + typedarray-to-buffer: 3.1.5 + + ws@8.13.0: {} + + ws@8.20.1: {} + + y18n@4.0.3: {} + + y18n@5.0.8: {} + + yallist@3.1.1: {} + + yargs-parser@18.1.3: + dependencies: + camelcase: 5.3.1 + decamelize: 1.2.0 + + yargs-parser@20.2.9: {} + + yargs-parser@21.1.1: {} + + yargs-unparser@2.0.0: + dependencies: + camelcase: 6.3.0 + decamelize: 4.0.0 + flat: 5.0.2 + is-plain-obj: 2.1.0 + + yargs@15.4.1: + dependencies: + cliui: 6.0.0 + decamelize: 1.2.0 + find-up: 4.1.0 + get-caller-file: 2.0.5 + require-directory: 2.1.1 + require-main-filename: 2.0.0 + set-blocking: 2.0.0 + string-width: 4.2.3 + which-module: 2.0.1 + y18n: 4.0.3 + yargs-parser: 18.1.3 + + yargs@16.2.0: + dependencies: + cliui: 7.0.4 + escalade: 3.2.0 + get-caller-file: 2.0.5 + require-directory: 2.1.1 + string-width: 4.2.3 + y18n: 5.0.8 + yargs-parser: 20.2.9 + + yargs@17.7.1: + dependencies: + cliui: 8.0.1 + escalade: 3.2.0 + get-caller-file: 2.0.5 + require-directory: 2.1.1 + string-width: 4.2.3 + y18n: 5.0.8 + yargs-parser: 21.1.1 + + yauzl@2.10.0: + dependencies: + buffer-crc32: 0.2.13 + fd-slicer: 1.1.0 + + yocto-queue@0.1.0: {} diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml new file mode 100644 index 00000000..250a5d54 --- /dev/null +++ b/pnpm-workspace.yaml @@ -0,0 +1,25 @@ +# 24-hour quarantine on newly published versions to blunt supply-chain attacks +# (compromised packages typically get yanked within hours of discovery). +# Excludes are scopes we publish ourselves and trust on the same release cadence. +minimumReleaseAge: 1440 +minimumReleaseAgeExclude: + - "@apify/*" + +# Postinstall protection — pnpm only runs build scripts for packages with `: true` here. +# `: false` is an explicit-deny marker. New transitives with build scripts surface as +# placeholders the first time they appear — review them, then change to `true` or `false`. +allowBuilds: + # puppeteer downloads its Chromium binary in postinstall — required for the e2e + # tests that drive headless Chrome through the proxy. + puppeteer: true + # esbuild's postinstall installs the platform-specific binary — required by tsx. + esbuild: true + # core-js' postinstall only prints a donation banner; no functional impact. + core-js: false + +# When `true`, `pnpm install --frozen-lockfile` fails (ERR_PNPM_IGNORED_BUILDS) +# whenever a new build-script transitive lands that isn't in `allowBuilds`. We +# pin to `false` so the default warning is enough — we still get the security +# benefit (only allowlisted scripts run) without making installs flaky on every +# dependency bump. +strictDepBuilds: false From ee6b38dc24b7249fa9b9891f4efc826e5b94f26f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Martin=20Ad=C3=A1mek?= Date: Mon, 25 May 2026 13:49:55 +0200 Subject: [PATCH 105/109] fix(pkg): soften devEngines onFail to warn under pnpm 10 (#662) --- package.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package.json b/package.json index f5e4ca79..a18ac6de 100644 --- a/package.json +++ b/package.json @@ -62,7 +62,7 @@ "packageManager": { "name": "pnpm", "version": "10.33.4", - "onFail": "error" + "onFail": "warn" } }, "packageManager": "pnpm@10.33.4", From 3c3dc837d586ef9219d6e0e3d95c4bdaeca78935 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Martin=20Ad=C3=A1mek?= Date: Fri, 29 May 2026 17:03:37 +0200 Subject: [PATCH 106/109] chore(release): bump version to 3.0.1 for next dev cycle (#665) 3.0.0 was published as `latest`, but package.json still pinned 3.0.0. The beta release workflow checks the published versions and aborts when the base version already exists, so every push to master failed at the "Bump pre-release version" step. Bumping to 3.0.1 lets master betas publish as 3.0.1-beta.N again. --- package.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package.json b/package.json index a18ac6de..e0b9db7d 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "proxy-chain", - "version": "3.0.0", + "version": "3.0.1", "description": "Node.js implementation of a proxy server (think Squid) with support for SSL, authentication, upstream proxy chaining, and protocol tunneling.", "main": "dist/index.js", "type": "module", From 217e77b7a10e954fe8679959976337f4233a602a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Martin=20Ad=C3=A1mek?= Date: Fri, 29 May 2026 17:05:20 +0200 Subject: [PATCH 107/109] test(e2e): upgrade puppeteer to v25 to fix broken e2e navigation (#666) * test(e2e): stabilize flaky puppeteer e2e tests The puppeteer-backed e2e cases intermittently timed out, with every puppeteer test in a run hanging for the full 30s mocha timeout (e.g. run 26625946119 took 29m as ~50 tests each burned 30s). Two root causes: - The tests opted into `headless: 'new'`, which in the bundled Chromium (pptr 19 / Chromium ~115) is markedly slower and flakier to start in CI than the legacy `headless: true` mode, for no functional gain here. - The launch retry only caught thrown errors, not hangs. puppeteer's default launch/navigation timeouts equal the mocha timeout, so a stuck launch or navigation killed the test before the retry could help. Switch to legacy headless, and retry the whole launch -> navigate -> read cycle with a fresh browser, bounding each step with an explicit timeout so a hang surfaces as a catchable rejection. Puppeteer test timeout is raised to fit the retry attempts plus backoff. * test(e2e): upgrade puppeteer to v25 to fix broken e2e navigation The puppeteer e2e tests started failing wholesale (all 52 cases timing out on navigation) after the GitHub-hosted runner image bumped from ubuntu24/20260518 to ubuntu24/20260525. puppeteer was pinned at 19.11.1, whose bundled Chromium (~115, mid-2023) launches but can no longer navigate on the newer OS, while curl through the same proxy still works. Upgrade puppeteer to v25, which ships a current Chromium built for the new image. Adjust the two renamed launch options: - `ignoreHTTPSErrors` -> `acceptInsecureCerts` - `headless: 'new'` -> `headless: true` (the `'new'` value was removed; the modern headless mode is now the default `true`). This also reverts the earlier launch/navigate retry + per-step timeout experiment: it was based on a wrong root cause (assumed flaky spawns), didn't help, and tripled the failing run's wall-clock time by retrying a browser whose navigation could never succeed. Verified locally with puppeteer 25 that the new launch options launch and navigate, both directly and through an HTTP proxy. --- package.json | 2 +- pnpm-lock.yaml | 435 ++++++++------------------------------------- test/e2e/server.js | 4 +- 3 files changed, 82 insertions(+), 359 deletions(-) diff --git a/package.json b/package.json index e0b9db7d..42596f11 100644 --- a/package.json +++ b/package.json @@ -85,7 +85,7 @@ "nyc": "^15.1.0", "portastic": "^1.0.1", "proxy": "^1.0.2", - "puppeteer": "^19.6.3", + "puppeteer": "^25.1.0", "request": "^2.88.2", "rimraf": "^4.1.2", "sinon": "^13.0.2", diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml index ce554c80..0483fcdf 100644 --- a/pnpm-lock.yaml +++ b/pnpm-lock.yaml @@ -73,8 +73,8 @@ importers: specifier: ^1.0.2 version: 1.0.2 puppeteer: - specifier: ^19.6.3 - version: 19.11.1(typescript@5.9.3) + specifier: ^25.1.0 + version: 25.1.0 request: specifier: ^2.88.2 version: 2.88.2 @@ -455,14 +455,14 @@ packages: '@jridgewell/trace-mapping@0.3.31': resolution: {integrity: sha512-zzNR+SdQSDJzc8joaeP8QQoCQr8NuYx2dIIytl1QeBEZHJ9uW6hebsrYgbz8hJwUQao3TWCMtmfV8Nu1twOLAw==} - 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fd-slicer@1.1.0: - dependencies: - pend: 1.2.0 - fdir@6.5.0(picomatch@4.0.4): optionalDependencies: picomatch: 4.0.4 @@ -4670,8 +4479,6 @@ snapshots: fromentries@1.3.2: {} - fs-constants@1.0.0: {} - fs.realpath@1.0.0: {} fsevents@2.3.3: @@ -4911,19 +4718,10 @@ snapshots: quick-lru: 5.1.1 resolve-alpn: 1.2.1 - https-proxy-agent@5.0.1: - dependencies: - agent-base: 6.0.2 - debug: 4.4.3(supports-color@8.1.1) - transitivePeerDependencies: - - supports-color - iconv-lite@0.4.24: dependencies: safer-buffer: 2.1.2 - ieee754@1.2.1: {} - ignore@5.3.2: {} ignore@7.0.5: {} @@ -4964,8 +4762,6 @@ snapshots: call-bound: 1.0.4 get-intrinsic: 1.3.0 - is-arrayish@0.2.1: {} - is-async-function@2.1.1: dependencies: async-function: 1.0.0 @@ -5226,8 +5022,6 @@ snapshots: json-buffer@3.0.1: {} - json-parse-even-better-errors@2.3.1: {} - json-schema-traverse@0.4.1: {} json-schema@0.4.0: {} @@ -5269,7 +5063,7 @@ snapshots: prelude-ls: 1.2.1 type-check: 0.4.0 - lines-and-columns@1.2.4: {} + lilconfig@3.1.3: {} locate-path@5.0.0: dependencies: @@ -5365,9 +5159,7 @@ snapshots: minipass@7.1.3: {} - mitt@3.0.0: {} - - mkdirp-classic@0.5.3: {} + mitt@3.0.1: {} mkdirp@0.5.6: dependencies: @@ -5396,12 +5188,12 @@ snapshots: yargs-parser: 20.2.9 yargs-unparser: 2.0.0 + modern-tar@0.7.6: {} + mri@1.1.4: {} ms@2.0.0: {} - ms@2.1.2: {} - ms@2.1.3: {} natural-compare@1.4.0: {} @@ -5425,10 +5217,6 @@ snapshots: object.entries: 1.1.9 semver: 6.3.1 - node-fetch@2.6.7: - dependencies: - whatwg-url: 5.0.0 - node-preload@0.2.1: dependencies: process-on-spawn: 1.1.0 @@ -5603,13 +5391,6 @@ snapshots: dependencies: callsites: 3.1.0 - parse-json@5.2.0: - dependencies: - '@babel/code-frame': 7.29.0 - error-ex: 1.3.4 - json-parse-even-better-errors: 2.3.1 - lines-and-columns: 1.2.4 - parseurl@1.3.3: {} path-exists@4.0.0: {} @@ -5629,12 +5410,8 @@ snapshots: path-to-regexp@6.3.0: {} - path-type@4.0.0: {} - pathval@1.1.1: {} - pend@1.2.0: {} - performance-now@2.1.0: {} picocolors@1.1.1: {} @@ -5674,15 +5451,11 @@ snapshots: dependencies: fromentries: 1.3.2 - progress@2.0.3: {} - proxy-addr@2.0.7: dependencies: forwarded: 0.2.0 ipaddr.js: 1.9.1 - proxy-from-env@1.1.0: {} - proxy@1.0.2: dependencies: args: 5.0.1 @@ -5702,40 +5475,30 @@ snapshots: punycode@2.3.1: {} - puppeteer-core@19.11.1(typescript@5.9.3): - dependencies: - '@puppeteer/browsers': 0.5.0(typescript@5.9.3) - chromium-bidi: 0.4.7(devtools-protocol@0.0.1107588) - cross-fetch: 3.1.5 - debug: 4.3.4 - devtools-protocol: 0.0.1107588 - extract-zip: 2.0.1 - https-proxy-agent: 5.0.1 - proxy-from-env: 1.1.0 - tar-fs: 2.1.1 - unbzip2-stream: 1.4.3 - ws: 8.13.0 - optionalDependencies: - typescript: 5.9.3 + puppeteer-core@25.1.0: + dependencies: + '@puppeteer/browsers': 3.0.4 + chromium-bidi: 16.0.1(devtools-protocol@0.0.1624250) + devtools-protocol: 0.0.1624250 + typed-query-selector: 2.12.2 + webdriver-bidi-protocol: 0.4.2 + ws: 8.21.0 transitivePeerDependencies: - bufferutil - - encoding - - supports-color + - proxy-agent - utf-8-validate - puppeteer@19.11.1(typescript@5.9.3): + puppeteer@25.1.0: dependencies: - '@puppeteer/browsers': 0.5.0(typescript@5.9.3) - cosmiconfig: 8.1.3 - https-proxy-agent: 5.0.1 - progress: 2.0.3 - proxy-from-env: 1.1.0 - puppeteer-core: 19.11.1(typescript@5.9.3) + '@puppeteer/browsers': 3.0.4 + chromium-bidi: 16.0.1(devtools-protocol@0.0.1624250) + devtools-protocol: 0.0.1624250 + lilconfig: 3.1.3 + puppeteer-core: 25.1.0 + typed-query-selector: 2.12.2 transitivePeerDependencies: - bufferutil - - encoding - - supports-color - - typescript + - proxy-agent - utf-8-validate qs@6.15.2: @@ -5761,12 +5524,6 @@ snapshots: react-is@18.3.1: {} - readable-stream@3.6.2: - dependencies: - inherits: 2.0.4 - string_decoder: 1.3.0 - util-deprecate: 1.0.2 - readdirp@3.6.0: dependencies: picomatch: 2.3.2 @@ -6087,10 +5844,6 @@ snapshots: define-properties: 1.2.1 es-object-atoms: 1.1.1 - string_decoder@1.3.0: - dependencies: - safe-buffer: 5.2.1 - strip-ansi@0.1.1: {} strip-ansi@3.0.1: @@ -6127,21 +5880,6 @@ snapshots: supports-preserve-symlinks-flag@1.0.0: {} - tar-fs@2.1.1: - dependencies: - chownr: 1.1.4 - mkdirp-classic: 0.5.3 - pump: 3.0.4 - tar-stream: 2.2.0 - - tar-stream@2.2.0: - dependencies: - bl: 4.1.0 - end-of-stream: 1.4.5 - fs-constants: 1.0.0 - inherits: 2.0.4 - readable-stream: 3.6.2 - test-exclude@6.0.0: dependencies: '@istanbuljs/schema': 0.1.6 @@ -6168,8 +5906,6 @@ snapshots: psl: 1.15.0 punycode: 2.3.1 - tr46@0.0.3: {} - trim-right@1.0.1: {} ts-api-utils@2.5.0(typescript@5.9.3): @@ -6249,6 +5985,8 @@ snapshots: possible-typed-array-names: 1.1.0 reflect.getprototypeof: 1.0.10 + typed-query-selector@2.12.2: {} + typedarray-to-buffer@3.1.5: dependencies: is-typedarray: 1.0.0 @@ -6276,11 +6014,6 @@ snapshots: has-symbols: 1.1.0 which-boxed-primitive: 1.1.1 - unbzip2-stream@1.4.3: - dependencies: - buffer: 5.7.1 - through: 2.3.8 - underscore@1.13.8: {} underscore@1.6.0: {} @@ -6299,8 +6032,6 @@ snapshots: dependencies: punycode: 2.3.1 - util-deprecate@1.0.2: {} - utils-merge@1.0.1: {} uuid@3.4.0: {} @@ -6317,7 +6048,7 @@ snapshots: core-util-is: 1.0.2 extsprintf: 1.3.0 - webidl-conversions@3.0.1: {} + webdriver-bidi-protocol@0.4.2: {} websocket-driver@0.7.4: dependencies: @@ -6327,11 +6058,6 @@ snapshots: websocket-extensions@0.1.4: {} - whatwg-url@5.0.0: - dependencies: - tr46: 0.0.3 - webidl-conversions: 3.0.1 - which-boxed-primitive@1.1.1: dependencies: is-bigint: 1.1.0 @@ -6410,10 +6136,10 @@ snapshots: signal-exit: 3.0.7 typedarray-to-buffer: 3.1.5 - ws@8.13.0: {} - ws@8.20.1: {} + ws@8.21.0: {} + y18n@4.0.3: {} y18n@5.0.8: {} @@ -6460,7 +6186,7 @@ snapshots: y18n: 5.0.8 yargs-parser: 20.2.9 - yargs@17.7.1: + yargs@17.7.2: dependencies: cliui: 8.0.1 escalade: 3.2.0 @@ -6470,9 +6196,6 @@ snapshots: y18n: 5.0.8 yargs-parser: 21.1.1 - yauzl@2.10.0: - dependencies: - buffer-crc32: 0.2.13 - fd-slicer: 1.1.0 - yocto-queue@0.1.0: {} + + zod@3.25.76: {} diff --git a/test/e2e/server.js b/test/e2e/server.js index 5a5fb2a1..890a19c8 100644 --- a/test/e2e/server.js +++ b/test/e2e/server.js @@ -95,8 +95,8 @@ const puppeteerGet = async (url, proxyUrl) => { ]; const launchOpts = { - ignoreHTTPSErrors: true, - headless: 'new', + acceptInsecureCerts: true, + headless: true, args }; From 162fb7e069bcc66f788382e06f440b832c71c094 Mon Sep 17 00:00:00 2001 From: Daniil Poletaev Date: Wed, 10 Jun 2026 14:54:19 +0200 Subject: [PATCH 108/109] chore: fix vulnerabilities (#668) --- pnpm-lock.yaml | 21 +++++++++++++++++---- pnpm-workspace.yaml | 3 +++ 2 files changed, 20 insertions(+), 4 deletions(-) diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml index 0483fcdf..449e545a 100644 --- a/pnpm-lock.yaml +++ b/pnpm-lock.yaml @@ -4,6 +4,9 @@ settings: autoInstallPeers: true excludeLinksFromLockfile: false +overrides: + form-data: 2.5.4 + importers: .: @@ -1399,9 +1402,10 @@ packages: form-data-encoder@1.7.2: resolution: {integrity: sha512-qfqtYan3rxrnCk1VYaA4H+Ms9xdpPqvLZa6xmMgFvhO32x7/3J/ExcTd6qpxM0vH2GdMI+poehyBZvqfMTto8A==} - form-data@2.3.3: - resolution: {integrity: sha512-1lLKB2Mu3aGP1Q/2eCOx0fNbRMe7XdwktwOruhfqqd0rIJWwN4Dh+E3hrPSlDCXnSR7UtZ1N38rVXm+6+MEhJQ==} + form-data@2.5.4: + resolution: {integrity: sha512-Y/3MmRiR8Nd+0CUtrbvcKtKzLWiUfpQ7DFVggH8PwmGt/0r7RSy32GuP4hpCJlQNEBusisSx1DLtD8uD386HJQ==} engines: {node: '>= 0.12'} + deprecated: This version has an incorrect dependency; please use v2.5.5 forwarded@0.2.0: resolution: {integrity: sha512-buRG0fpBtRHSTCOASe6hD258tEubFoRLb4ZNA6NxMVHNw2gOcwHo9wyablzMzOA5z9xA9L1KNjk/Nt6MT9aYow==} @@ -1572,6 +1576,10 @@ packages: resolution: {integrity: sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==} engines: {node: '>=8'} + has-own@1.0.1: + resolution: {integrity: sha512-RDKhzgQTQfMaLvIFhjahU+2gGnRBK6dYOd5Gd9BzkmnBneOCRYjRC003RIMrdAbH52+l+CnMS4bBCXGer8tEhg==} + deprecated: This project is not maintained. Use Object.hasOwn() instead. + has-property-descriptors@1.0.2: resolution: {integrity: sha512-55JNKuIW+vq4Ke1BjOTjM2YctQIvCT7GFzHwmfZPGo5wnrgkid0YQtnAleFSqumZm4az3n2BS+erby5ipJdgrg==} @@ -4467,11 +4475,14 @@ snapshots: form-data-encoder@1.7.2: {} - form-data@2.3.3: + form-data@2.5.4: dependencies: asynckit: 0.4.0 combined-stream: 1.0.8 + es-set-tostringtag: 2.1.0 + has-own: 1.0.1 mime-types: 2.1.35 + safe-buffer: 5.2.1 forwarded@0.2.0: {} @@ -4656,6 +4667,8 @@ snapshots: has-flag@4.0.0: {} + has-own@1.0.1: {} + has-property-descriptors@1.0.2: dependencies: es-define-property: 1.0.1 @@ -5566,7 +5579,7 @@ snapshots: combined-stream: 1.0.8 extend: 3.0.2 forever-agent: 0.6.1 - form-data: 2.3.3 + form-data: 2.5.4 har-validator: 5.1.5 http-signature: 1.2.0 is-typedarray: 1.0.0 diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml index 250a5d54..500cb6cb 100644 --- a/pnpm-workspace.yaml +++ b/pnpm-workspace.yaml @@ -23,3 +23,6 @@ allowBuilds: # benefit (only allowlisted scripts run) without making installs flaky on every # dependency bump. strictDepBuilds: false + +overrides: + "form-data": "2.5.4" From 79cb08f5d7a63ee8e9e3c42998017e3447d852f6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Martin=20Ad=C3=A1mek?= Date: Sun, 14 Jun 2026 16:36:03 +0200 Subject: [PATCH 109/109] chore: stop publishing broken declaration and source maps (#664) The published tarball excludes `src` but ships `.d.ts.map`/`.js.map` that reference `../src/*.ts`, so the maps never resolve and editors fall back to the compiled output. Disable `declarationMap`/`sourceMap` so these dead maps are no longer emitted. Co-authored-by: Claude Opus 4.8 --- tsconfig.json | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/tsconfig.json b/tsconfig.json index d619dd1d..194b4f1e 100644 --- a/tsconfig.json +++ b/tsconfig.json @@ -5,7 +5,9 @@ "module": "NodeNext", "moduleResolution": "NodeNext", "target": "ES2022", - "verbatimModuleSyntax": true + "verbatimModuleSyntax": true, + "declarationMap": false, + "sourceMap": false }, "include": ["src"] }