gistfile1.txt

/**
 * Module dependencies.
 */

var express = require('express')
  , routes = require('./routes')
  , user = require('./routes/user')
  , http = require('http')
  , path = require('path')
  , connect = require('connect')
  , cookie = require('cookie')
  , sessionStore = new express.session.MemoryStore();

var app = express();
var server = http.createServer(app);
var io = require('socket.io').listen(server);

var SITE_SECRET = 'Good day';

app.configure(function(){
  app.set('port', process.env.PORT || 3000);
  app.set('views', __dirname + '/views');
  app.set('view engine', 'ejs');
  app.use(express.favicon());
  app.use(express.logger('dev'));
  app.use(express.bodyParser());
  app.use(express.methodOverride());
  app.use(express.cookieParser(SITE_SECRET));
  app.use(express.session({store: sessionStore}));
  app.use(app.router);
  app.use(express.static(path.join(__dirname, 'public')));
});

app.configure('development', function(){
  app.use(express.errorHandler());
});

function loginRequired(req, res, next) {
  if (!req.session.user_name) {
    res.redirect('/login');
  } else {
    next();
  }
}

app.get('/', loginRequired, routes.index);
app.get('/users', user.list);

app.get('/login', user.login);

app.post('/login', function (req, res) {
  var post = req.body;
	
	if (post.user_name.length > 3) {
		req.session.user_name = post.user_name;
		res.redirect('/');
	} else {
		res.redirect('/login');
	}
	console.log('POST ' + post.user_name);
});

server.listen(app.get('port'), function(){
  console.log("Express server listening on port " + app.get('port'));
});

/* websocket */

io.configure(function () {
	io.set('authorization', function (data, callback) {
		console.log ("AUTH");
		if (!data.headers.cookie) {
			return callback('Session cookie required.', false);
		}

		data.cookie = cookie.parse(data.headers.cookie);
		data.cookie = connect.utils.parseSignedCookies(data.cookie, SITE_SECRET);
		
		data.sessionID = data.cookie['connect.sid'];
		
		sessionStore.get(data.sessionID, function (err, session) {
			console.log("SESSION" + JSON.stringify(session));
			if (err || !session) {
				callback('No session', false);
			} else {
				data.session = session;
			}
		});

		callback(null, true);
	});
});

io.sockets.on('connection', function (socket) {
	console.log('CONNECTION ' + socket.id + ' : ' + socket.handshake.session.user_name);
	io.sockets.emit('chat', { msg: io.transports[socket.id].name });
	socket.on('input', function (data) {
//		console.log(data);
		io.sockets.emit('chat', { from: socket.handshake.session.user_name, msg: data.msg})
	});
});

//JSON.stringify