proxy tunnel

tunnel.js

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

var proxy = http.createServer();

// proxy an HTTP request
proxy.on('request', function(req, res){
  var uri = url.parse(req.url);
	
	var httpMessage = req.method + ' ' + uri.path + ' HTTP/'+ req.httpVersion + '\r\n';
	for(var header in req.headers){
		httpMessage += header + ': ' + req.headers[header] + '\r\n';
	}
	httpMessage += '\r\n';
	req.on('data', function(data){
		httpMessage += data;
	});
	req.on('end', function(data){
		httpMessage += data;
		var client = net.connect(uri.port || 80, uri.hostname, function(){
			client.write(httpMessage);
			client.pipe(req.connection);
			req.connection.pipe(client);
		});
	});
});

// proxy an HTTPS request
proxy.on('connect', function(req, socket, head) {
 	var uri = req.url.split(':')
	var tunnel = net.connect({
		port: uri[1],
		host: uri[0]
	}, function() {
		socket.write('HTTP/1.1 200 Connection Established\r\n\r\n');
		tunnel.write(head);
		tunnel.pipe(socket);
		socket.pipe(tunnel);
	});
});

proxy.listen(8080);