user and gitub auth

app.js

var express = require('express')
, https = require('https')
, cookieParser = require('cookie-parser')
, cons = require('consolidate')
, bodyParser = require('body-parser')
, path = require('path')
, extend = require("extend")
, Cloudant = require('cloudant')
, session = require('express-session')
, url = require('url')
, querystring = require('querystring')
, dustjs = require('dustjs-linkedin')
, request = require('request')
, requestify = require('requestify')
;

var app = express();

app.set('views', path.join(__dirname, 'views'));
app.engine('dust', cons.dust);
app.set('view engine', 'dust');
app.use(express.static(path.join(__dirname, 'public')));

app.use(cookieParser());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(session({
  secret: 'keyboard cat',
  resave: false,
  saveUninitialized: false
}));

var index = require('./routes/index');
app.use('/', index);

var catalog = require('./routes/catalog');
app.use('/catalog', catalog);

var dashboard = require('./routes/dashboard');
app.use('/dashboard', dashboard);

var cfauth = require('./routes/cfauth');
app.use('/login', cfauth);

var github = require('./routes/github');
app.use('/auth/github', github);

var profile = require('./routes/profile');
app.use('/user', profile);

// app.get('/logout', function(req, res){
//   req.session.destroy();
//   req.logout();
//   res.redirect('/');
// });

module.exports = app;

github.js

var express = require('express')
,   router = express.Router()
,   passport = require('passport')
,   GitHubStrategy = require('passport-github').Strategy
,   session = require('express-session')
,   requestify = require('requestify')
;

var credentials = require('../credentials')
,   GITHUB_CLIENT_ID = credentials.github.id
,   GITHUB_CLIENT_SECRET = credentials.github.secret
,   CALLBACK_URL = credentials.github.callback
;

passport.serializeUser(function(user, done) {
  done(null, user);
});

passport.deserializeUser(function(obj, done) {
  done(null, obj);
});

passport.use(new GitHubStrategy({
  clientID: GITHUB_CLIENT_ID,
  clientSecret: GITHUB_CLIENT_SECRET,
  callbackURL: CALLBACK_URL
},
function(accessToken, refreshToken, profile, done) {
  process.nextTick(function() {
    return done(null, profile);
  });
}));

router.use(passport.initialize(), function(req, res, next) {
  next();
});
router.use(passport.session(), function(req, res, next) {
  next();
});

router.get('/',
  passport.authenticate('github', {
  scope: ['user', 'repo', 'repo:status', 'repo_deployment', 'read:org'],
  state: 'foobar'
}),
  function(req, res){
    // The request will be redirected to GitHub for authentication, so this
    // function will not be called.
});

router.get('/callback',
  passport.authenticate('github', { failureRedirect: '/login' }),
  function(req, res) {
    router.params.user = req.user;
    res.redirect('/user/' + req.user.username);
});

// router.get('/logout', function(req, res){
//   req.session.destroy();
//   req.logout();
//   res.redirect('/');
// });

module.exports = router;

profile.js

var express = require('express')
,   router = express.Router()
,   requestify = require('requestify')
;
router.get('/:username', function(req, res){
  var username = req.session.passport.user.username;
  requestify.get('https://api.github.com/users/' + username + '/repos')
    .then(function(response) {
      var repos = response.getBody();
      var repos_with_archive_urls = getArchiveURLs(repos);
      res.render('profile', {
        layout: 'layout', user: req.session.passport.user, repos: repos_with_archive_urls });
    });
});

function getArchiveURLs(repos_array) {
  for (var i = 0; i < repos_array.length; i++) {
    repos_array[i].archive_url = repos_array[i].url + '/tarball/master'
  }
  return repos_array;
}

module.exports = router;