Secure Socket.io + Express

app.js

'use strict';

var io = require('socket.io'),
	express = require('express'),
	http = require('http'),
	https = require('https'),
	fs = require('fs'),
	splitca = require('split-ca');

module.exports = function(){
	var certs = {
		key: fs.readFileSync('path/to/cert.key'),
		cert: fs.readFileSync('path/to/cert.crt'),
		ca: splitca('path/to/cert.ca'),
		requestCert: true
	};
	var expressApp = express(),
		httpServer = http.createServer(expressApp),
		secureServer = https.createServer(certs, expressApp),
		server = io(secureServer);

	expressApp.get('*', function(req, res){
		if(req.secure){
			return res.send('Secure!');
		}else{
			return res.redirect("https://" + req.headers.host + req.url);
		}
	});
	secureServer.listen(443);
	httpServer.listen(80);
}