Simple HTTP Proxy

proxy.js

var http = require('http');
var net = require('net');
var url = require('url');

function onRequest(request, response) {
    console.log('request: ' + request.url);
    var u = url.parse(request.url);

    var options = {
        hostname: u.hostname,
        port: u.port || 80,
        path: u.path,
        method: request.method,
        headers: request.headers
    };

    var proxy = http.request(options, function(res) {
        response.writeHead(res.statusCode, res.headers);
        res.pipe(response, {
            end: true
        });
    }).on('error', function(e) {
        response.end();
    });;

    request.pipe(proxy, {
        end: true
    });
}

function onConnect(request, response) {
    console.log('request: ' + request.url);
    var u = url.parse('https://' + request.url);

    var client = net.connect(u.port, u.hostname, function() {
        response.write('HTTP/1.1 200 Connection Established\r\n\r\n');
        client.pipe(response);
    }).on('error', function(e) {
        response.end();
    });

    response.pipe(client);
}

http.createServer()
    .on('request', onRequest)
    .on('connect', onConnect)
    .listen(8080);