Login SSO UI with Express.js and Passport

app.js

var express     = require('express');
var passport    = require('passport');
var CasStrategy = require('passport-cas2').Strategy;
var session     = require('express-session');

var app         = express();

var port = process.env.PORT || 3000;

app.use(session({secret: 'supersecretkey'}));

// Passport
app.use(passport.initialize());
app.use(passport.session());

var cas = new CasStrategy(
    { casURL: 'https://sso.ui.ac.id/cas2' },
    function(username, profile, done) {
        console.log(username);
        console.log(profile);
        var user = {};
        user.username = username;
        user.profile = profile;
        done(null, user);    
    });
passport.use(cas);
passport.serializeUser(function(user, done) {
  done(null, user);
});
passport.deserializeUser(function(user, done) {
  done(null, user);
});

// Routes
app.get('/', function(req, res) {
    res.json(req.user);
});
 
app.get('/login', passport.authenticate('cas'), function(req, res) {
    res.redirect('/');
});

app.get('/logout', function(req, res) {
    cas.logout(req, res, 'http://localhost:3000/');
});

// Start
app.listen(port);
console.log('App running on port ' + port);