drinchev/app.js

## app.js
var express = require('express'),
    app = express(),
    http = require('http'),
    server = http.createServer(app),
    users = 0,
    MemoryStore = express.session.MemoryStore,
    sessionStore = new MemoryStore(),
    parseCookie = require('cookie').parse,
    utils = require('connect').utils,
    io = require('socket.io').listen(server);

app.use( express.bodyParser() );
app.use( express.cookieParser('secret') );
app.use( express.session({secret: 'secret', store:sessionStore}) );

app.get('/', function(req, res) {
  var user = req.session.username ? req.session.username : null;
  if ( !user ) {
		user = 'user_' + users++;
		req.session.username = user;
		req.session.save();
	}
	res.send('<!doctype html> \
		<html> \
		<head><meta charset="utf-8"></head> \
		<body> \
			<center>Welcome ' + user + '</center> \
			<script src="/socket.io/socket.io.js"></script> \
			<script> \
				var socket = io.connect(); \
    			socket.emit("message", "Howdy"); \
			</script> \
		</body> \
		</html>');
});

io.configure(function () {
    io.set('authorization', function (request, callback) {
    	var cookie = parseCookie(request.headers.cookie);
		if( !cookie && !cookie['connect.sid'] ) {
			return callback(null, false);
		} else {
			sessionStore.get(utils.parseSignedCookie(cookie['connect.sid'], 'secret'), function (err, session) {
				if ( err ) {
					callback(err.message, false);
				} else {
					if ( session && session.username ) {
						request.user = session.username;
						callback(null, true);
					} else {
						callback(null, false);
					}
				}
			});
		}
    });
});

io.sockets.on('connection', function (socket) {
	socket.on('message', function(msg) {
		console.log(msg + 'from '+ socket.handshake.user);
	});
});

server.listen(8000);
	var express = require('express'),
	app = express(),
	http = require('http'),
	server = http.createServer(app),
	users = 0,
	MemoryStore = express.session.MemoryStore,
	sessionStore = new MemoryStore(),
	parseCookie = require('cookie').parse,
	utils = require('connect').utils,
	io = require('socket.io').listen(server);

	app.use( express.bodyParser() );
	app.use( express.cookieParser('secret') );
	app.use( express.session({secret: 'secret', store:sessionStore}) );

	app.get('/', function(req, res) {
	var user = req.session.username ? req.session.username : null;
	if ( !user ) {
	user = 'user_' + users++;
	req.session.username = user;
	req.session.save();
	}
	res.send('<!doctype html> \
	<html> \
	<head><meta charset="utf-8"></head> \
	<body> \
	<center>Welcome ' + user + '</center> \
	<script src="/socket.io/socket.io.js"></script> \
	<script> \
	var socket = io.connect(); \
	socket.emit("message", "Howdy"); \
	</script> \
	</body> \
	</html>');
	});

	io.configure(function () {
	io.set('authorization', function (request, callback) {
	var cookie = parseCookie(request.headers.cookie);
	if( !cookie && !cookie['connect.sid'] ) {
	return callback(null, false);
	} else {
	sessionStore.get(utils.parseSignedCookie(cookie['connect.sid'], 'secret'), function (err, session) {
	if ( err ) {
	callback(err.message, false);
	} else {
	if ( session && session.username ) {
	request.user = session.username;
	callback(null, true);
	} else {
	callback(null, false);
	}
	}
	});
	}
	});
	});

	io.sockets.on('connection', function (socket) {
	socket.on('message', function(msg) {
	console.log(msg + 'from '+ socket.handshake.user);
	});
	});

	server.listen(8000);