app.js

/**
 * Module dependencies.
 */

var express = require('express');
var cookieParser = require('cookie-parser');
var compress = require('compression');
var session = require('express-session');
var bodyParser = require('body-parser');
var logger = require('morgan');
var errorHandler = require('errorhandler');
var csrf = require('lusca').csrf();
var methodOverride = require('method-override');
var autologin = require('./lib/autologin');

var _ = require('lodash');
var MongoStore = require('connect-mongo')({ session: session });
var User = require('./models/User');
var flash = require('express-flash');
var path = require('path');
var mongoose = require('mongoose');
var passport = require('passport');
var expressValidator = require('express-validator');
var connectAssets = require('connect-assets');

/**
 * Controllers (route handlers).
 */

var homeController = require('./controllers/home');
var userController = require('./controllers/user');
var arenaController = require('./controllers/arena');

/**
 * API keys and Passport configuration.
 */

var secrets = require('./config/secrets');
var passportConf = require('./config/passport');

/**
 * Create Express server.
 */

var app = express();

/**
 * Connect to MongoDB.
 */

mongoose.connect(secrets.db);
mongoose.connection.on('error', function() {
  console.error('MongoDB Connection Error. Make sure MongoDB is running.');
});

var hour = 3600000;
var day = hour * 24;
var week = day * 7;

/**
 * CSRF whitelist.
 */

var csrfExclude = ['/url1', '/url2'];

/**
 * Express configuration.
 */

app.set('port', process.env.PORT || 3000);
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');
app.use(compress());
app.use(connectAssets({
  paths: ['public/css', 'public/js'],
  helperContext: app.locals
}));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded());
app.use(expressValidator());
app.use(methodOverride());
app.use(cookieParser());
app.use(session({
  secret: secrets.sessionSecret,
  store: new MongoStore({
    url: secrets.db,
    auto_reconnect: true
  })
}));
app.use(passport.initialize());
app.use(passport.session());
app.use(flash());
app.use(function(req, res, next) {
  // CSRF protection.
  if (_.contains(csrfExclude, req.path)) return next();
  csrf(req, res, next);
});
app.use(function(req, res, next) {
  // Make user object available in templates.
  res.locals.user = req.user;
  next();
});
app.use(function(req, res, next) {
  // Remember original destination before login.
  var path = req.path.split('/')[1];
  if (/auth|login|logout|signup|img|fonts|favicon/i.test(path)) {
    return next();
  }
  req.session.returnTo = req.path;
  next();
});

// check for topcoder cookie
app.use(function(req, res, next) {
  var path = req.path.split('/')[1];
  if ((/|arena|login/i.test(path)) && typeof req.user === 'undefined') {

    // if they are not logged and we found the tc cookie, log them in
    if (typeof req.cookies.tcjwt != 'undefined') {
      console.log('Found topcoder cookie. Autologging user in.');
      autologin.findUser(req.cookies.tcjwt)
        .then(function (mongoUser) {

          var user = new User({
            email: mongoUser.email,
            password: mongoUser.password,
            profile: {
              name: mongoUser.handle,
              picture: mongoUser.picture,
              location: mongoUser.location
            }
          });

          if (mongoUser.exists) {
            console.log('Found ' + mongoUser.handle + ' in mongodb. Authenticating user.');
            // hack the email and password into the request for passport
            req.body.email = mongoUser.email;
            req.body.password = mongoUser.password;
            passport.authenticate('local', function(err, user, info) {
              if (err) return next(err);
              req.logIn(user, function(err) {
                if (err) return next(err);
                res.redirect(req.session.returnTo || '/');
              });
            })(req, res, next);
          } else {
            console.log('Could not find ' + mongoUser.handle + ' in mongodb. Adding new record.');
            user.save(function(err) {
              if (err) return next(err);
              req.logIn(user, function(err) {
                if (err) return next(err);
                res.redirect(req.session.returnTo || '/');
              });
            });
          }

        }).fail(function(err) {
          res.redirect('/doh');
        });
    // couldn't find cookie
    }  else {
      next();
    }
  } else {
    next();
  }
});

app.use(express.static(path.join(__dirname, 'public'), { maxAge: week }));

/**
 * Main routes.
 */

app.get('/', homeController.index);
app.get('/login', userController.getLogin);
app.post('/login', userController.postLogin);
app.get('/logout', userController.logout);
// app.get('/forgot', userController.getForgot);
// app.post('/forgot', userController.postForgot);
// app.get('/reset/:token', userController.getReset);
// app.post('/reset/:token', userController.postReset);
// app.get('/signup', userController.getSignup);
// app.post('/signup', userController.postSignup);
app.get('/account', passportConf.isAuthenticated, userController.getAccount);
// app.post('/account/profile', passportConf.isAuthenticated, userController.postUpdateProfile);
// app.post('/account/password', passportConf.isAuthenticated, userController.postUpdatePassword);
// app.post('/account/delete', passportConf.isAuthenticated, userController.postDeleteAccount);
// app.get('/account/unlink/:provider', passportConf.isAuthenticated, userController.getOauthUnlink);
app.get('/arena', passportConf.isAuthenticated, arenaController.index);
app.post('/arena/submit', passportConf.isAuthenticated, arenaController.submit);
app.get('/arena/results', passportConf.isAuthenticated, arenaController.results);
app.get('/arena/status', passportConf.isAuthenticated, arenaController.status);
app.get('/doh', homeController.doh);
app.get('/postreg', userController.postreg);

/**
 * OAuth sign-in routes.
 */

app.get('/auth/facebook', passport.authenticate('facebook', { scope: ['email', 'user_location'] }));
app.get('/auth/facebook/callback', passport.authenticate('facebook', { failureRedirect: '/login' }), function(req, res) {
  res.redirect(req.session.returnTo || '/');
});
app.get('/auth/github', passport.authenticate('github'));
app.get('/auth/github/callback', passport.authenticate('github', { failureRedirect: '/login' }), function(req, res) {
  res.redirect(req.session.returnTo || '/');
});
app.get('/auth/google', passport.authenticate('google', { scope: 'profile email' }));
app.get('/auth/google/callback', passport.authenticate('google', { failureRedirect: '/login' }), function(req, res) {
  res.redirect(req.session.returnTo || '/');
});
app.get('/auth/twitter', passport.authenticate('twitter'));
app.get('/auth/twitter/callback', passport.authenticate('twitter', { failureRedirect: '/login' }), function(req, res) {
  res.redirect(req.session.returnTo || '/');
});
app.get('/auth/linkedin', passport.authenticate('linkedin', { state: 'SOME STATE' }));
app.get('/auth/linkedin/callback', passport.authenticate('linkedin', { failureRedirect: '/login' }), function(req, res) {
  res.redirect(req.session.returnTo || '/');
});

/**
 * 500 Error Handler.
 */

app.use(errorHandler());

/**
 * Start Express server.
 */

app.listen(app.get('port'), function() {
  console.log('Express server listening on port %d in %s mode', app.get('port'), app.get('env'));
});

module.exports = app;