Created
March 6, 2023 10:26
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| const net = require('net') | |
| const server = net.createServer() | |
| server.on('connection', (clientToProxy) => { | |
| console.log("CLIENT CONNECTED") | |
| clientToProxy.once('data', (data) => { | |
| const header = data.toString().split(/\r?\n/) | |
| if (header.length === 0 || !header[0].startsWith('CONNECT')) { | |
| clientToProxy.end() | |
| return | |
| } | |
| let arr = header[0].split(' ') | |
| const host = arr[1] | |
| if (!host) { | |
| clientToProxy.end() | |
| return | |
| } | |
| arr = host.split(':') | |
| const hostname = arr[0] | |
| if (!hostname) { | |
| clientToProxy.end() | |
| return | |
| } | |
| const proxyToServer = net.createConnection({ | |
| host: hostname, | |
| port: arr[1] || 443 | |
| }, () => { | |
| clientToProxy.write("HTTP/1.1 200 OK\r\n\n") | |
| proxyToServer.pipe(clientToProxy) | |
| clientToProxy.pipe(proxyToServer) | |
| }) | |
| proxyToServer.on('error', (er) => { | |
| console.log("PROXY SERVER ERROR: ", er) | |
| }) | |
| clientToProxy.on('error', (er) => { | |
| console.log("PROXY CLIENT ERROR: ", er) | |
| }) | |
| }) | |
| }) | |
| server.on('error', (er) => { | |
| console.error("SERVER ERROR: ", er) | |
| }) | |
| server.on('close', () => { | |
| console.log("SERVER CLOSE") | |
| }) | |
| server.listen(6000, () => { | |
| console.log("SERVER RUNNING AT PORT 6000") | |
| }) |
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