app.js

/**
 * Module dependencies.
 */

var express = require('express')
  , http = require('http')
  , path = require('path')
  , fs = require('fs')
  , redis = require('redis');

var app = express();
var db = redis.createClient();


app.configure(function() {
    app.set('port', process.env.PORT || 8080);
    app.set('views', __dirname + '/views');
    app.set('view engine', 'jade');
    app.set('controllers', 'controllers');
    app.set('defaultController', 'home');
    app.set('database', db);

    app.locals.title = 'My App';
    
    app.use(express.logger('dev'));
    app.use(express.favicon());
    app.use(express.bodyParser());
    app.use(express.methodOverride());
    app.use(express.cookieParser('your secret here')); //TODO: change
    //app.use(express.session()); //set to redis!
    
    app.use(function(req, res, next) {
        var authcookie = req.cookies.auth;
        if (authcookie == undefined) return next();

        db.get('auth:' + authcookie, function(err, userid) {
            if (err) return next(err);
            if (userid == null) return next();
            
            db.get('uid:' + userid + ':auth', function(err, auth) {
                if (err) return next(err);
                if (auth == null) return next();
                
                req.authorized = authcookie == auth;
                req.user = { "userid": userid };
                next();
            });
        });
    });
    
    app.use(app.router);
    app.use(require('stylus').middleware(__dirname + '/public'));
    app.use(express.static(path.join(__dirname, 'public')));
});

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


/*----------------------------------------------------------------------------*/
/* defining routes */

app.get('/', function(req, res) {
    res.redirect('/' + app.get('defaultController'));
});

fs.readdirSync(__dirname + '/' + app.get('controllers')).forEach(function(name) {
    var controller = require('./' + app.get('controllers') + '/' + name);
    app.use('/' + controller.name, controller(app));
});

/*----------------------------------------------------------------------------*/


/* start server */
http.createServer(app).listen(app.get('port'), function() {
    console.log('Express server listening on port ' + app.get('port'));
});

home.js

function home(parent) {

    var express = require('express');
    var app = express();
    app.locals = parent.locals;


    app.get('/(index)?', function(req, res) {
        var user = req.user || {};
        res.render('home/index');
    });

    app.get('/imprint', function(req, res) {
        res.send('home:imprint');
    });


    return app;
}

module.exports =  home;