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a simple proxy server with https tunnel and basic authentication
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| const fs = require('fs') | |
| /* | |
| module.exports = { | |
| key: fs.readFileSync('domain.key'), | |
| cert: fs.readFileSync('fullchain.cer'), | |
| } | |
| */ |
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| #!/usr/bin/env node | |
| const net = require('net') | |
| const URL = require('url') | |
| const http = require('http') | |
| const https = require('https') | |
| const config = require('./config') | |
| const PORT = process.argv[2] || 8080 | |
| const CREDENTIALS = process.argv[3] || 'app:test' | |
| const server = (config ? https : http).createServer(config).listen(PORT) | |
| const close = socket => (socket.end(), socket.destroy()) | |
| const verify = (headers, socket) => { | |
| const token = (headers['proxy-authorization'] || '').slice(6) | |
| const credentials = (Buffer.from(token, 'base64')).toString() | |
| if (credentials === CREDENTIALS) return true | |
| socket.write('HTTP/1.1 407 Proxy Auth Required\r\nProxy-Authenticate: Basic realm="simple"\r\n\r\n') | |
| } | |
| const mock = (res) => { | |
| const headers = { 'Server': 'nginx', 'Content-Type': 'text/html' } | |
| const html = '<html>\n<head><title>404 Not Found</title></head>\n<body>\n<center><h1>404 Not Found</h1></center>\n<hr><center>nginx</center>\n</body>\n</html>\n<!-- a padding to disable MSIE and Chrome friendly error page -->\n<!-- a padding to disable MSIE and Chrome friendly error page -->\n<!-- a padding to disable MSIE and Chrome friendly error page -->\n<!-- a padding to disable MSIE and Chrome friendly error page -->\n<!-- a padding to disable MSIE and Chrome friendly error page -->\n<!-- a padding to disable MSIE and Chrome friendly error page -->\n' | |
| res.writeHead(404, headers) | |
| res.end(html) | |
| return | |
| } | |
| const log = (...payload) => { | |
| if (!process.env.LOG) return | |
| console.log(...payload) | |
| } | |
| // MITM Mode | |
| server.on('request', (req, res) => { | |
| const { method, url, headers, socket } = req | |
| if (!url.startsWith('http://')) return mock(res) | |
| if (!verify(headers, socket)) return close(socket) | |
| const target = URL.parse(url) | |
| log('MITM', '>', target.hostname) | |
| const proxyReq = http.request(Object.assign(target, { method, headers })) | |
| .on('response', proxyRes => { | |
| res.writeHead(proxyRes.statusCode, proxyRes.headers) | |
| proxyRes.pipe(res) | |
| }) | |
| .on('error', () => close(socket)) | |
| req.pipe(proxyReq).on('error', () => close(socket)) | |
| }) | |
| // Tunnel Mode | |
| server.on('connect', (req, socket, head) => { | |
| const { url, headers } = req | |
| if (!verify(headers, socket)) return close(socket) | |
| const { port, hostname } = URL.parse('https://' + url) | |
| log('TUNNEL', '>', hostname) | |
| const proxySocket = net.connect(port, hostname) | |
| .on('connect', () => { | |
| socket.write('HTTP/1.1 200 Connection established\r\n\r\n') | |
| proxySocket.write(head) | |
| proxySocket.pipe(socket) | |
| socket.pipe(proxySocket) | |
| }) | |
| .on('error', () => close(socket)) | |
| socket.on('error', () => close(socket)) | |
| }) | |
| console.log(`Server ${CREDENTIALS} running @ ${server.cert ? 'https' : 'http'}://0.0.0.0:${PORT}`) |
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| { | |
| "name": "simple-proxy", | |
| "version": "0.1.3", | |
| "main": "index.js", | |
| "bin": "./index.js", | |
| "author": "nondanee" | |
| } |
tarampampam/node:alpine
npx https://gist.github.com/nondanee/b50d6107cdafa2460c81d929b2b2f91f
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References
Basic HTTP authentication in Node.JS?
https://stackoverflow.com/questions/5951552/basic-http-authentication-in-node-js
HTTP Basic Auth 小实验
https://segmentfault.com/a/1190000004362731
What is the “realm” in basic authentication
https://stackoverflow.com/questions/12701085/what-is-the-realm-in-basic-authentication
npx is cool
https://gist.github.com/zkat/4bc19503fe9e9309e2bfaa2c58074d32