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path: root/server/lib/auth.js
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/* jshint node: true */

var passport = require('passport'),
	FacebookStrategy = require('passport-facebook').Strategy,
	TwitterStrategy = require('passport-twitter').Strategy,
	passportSocketIo = require("passport.socketio"),
	_ = require('lodash'),
	config = require('../../config.json'),
	User = require('./schemas/User');

var auth = {

	init: function () { 
		passport.serializeUser(auth.serializeUser);
		passport.deserializeUser(auth.deserializeUser);
		
		passport.use(new TwitterStrategy({
			consumerKey: process.env.VVALLS_TWITTER_KEY || '0L5blfBIapqhpons8bCXdIoGM',
			consumerSecret: process.env.VVALLS_TWITTER_SECRET || '5EKW7m7inoODqYSKbp7cadBKFp1FghBl4MBDoXNcUjKtodZfuP',
			callbackURL: 'http://' + config.host + '/auth/twitter/callback'
		}, auth.insertTwitterUser));
		
		passport.use(new FacebookStrategy({
			clientID: process.env.VVALLS_FACEBOOK_KEY || '719828821410310',
			clientSecret: process.env.VVALLS_FACEBOOK_SECRET || 'f9aba78e08f37f621eadb88b1409d48c',
			callbackURL: 'http://' + config.host + '/auth/facebook/callback',
			enableProof: false,
		}, auth.insertFacebookUser));
	},
	
	initSockets: function (io, cookieParser, SessionStore) {
		io.set('authorization', passportSocketIo.authorize({
			cookieParser: express.cookieParser,
			passport:     passport,
			key:          'vvalls.sid',        // the name of the cookie where express/connect stores its session_id
			secret:       'flibbertigibbet',   // the session_secret to parse the cookie
			store:        SessionStore,        // we NEED to use a sessionstore. no memorystore please
			success:      auth.socketSuccess,
			fail:         auth.socketFail,
		}));
	},
	
	socketSuccess: function (data, accept) {
		// console.error('successful connection to socket.io');
		accept(null, true);
	},
	
	socketFail: function (data, message, error, accept){
		if (error) {
			throw new Error(message);
		}
		// console.log(data)
		console.error('failed connection to socket.io:', message);

		// We use this callback to log all of our failed connections.
		accept(null, false);
	},

	// technically these returns the login middleware
	login: function (strategy) {
		return passport.authenticate(strategy);
	},
	
	loggedIn: function (strategy) {
		return passport.authenticate(strategy, {
			successReturnToOrRedirect: '/',
			failureRedirect: '/login'
		});
	},
	
	logout: function (req, res) {
		req.logout();
		res.redirect('/');
	},

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

	deserializeUser: function (id, done) {
		User.findOne({ _id: id }, "_id displayName username photo", function (err, user) {
			done(err, user);
		});
	},

	insertTwitterUser: function (accessToken, refreshToken, profile, done) {
		process.nextTick(function () {
			var userData = {
				twitter_id: profile.id,
				username: profile.username,
				displayName: profile.displayName,
				photo: profile.photos[0].value,
				links: ["https://twitter.com/" + profile.username]
			};
			
			User.findOne({twitter_id: profile.id}, function(err, data){
				if (! err && data) {
					return done(err, data);
				}
				new User(userData).save(function(err, data){
					if (err) { console.error(err) }
					return done(err, data)
				})
			});
			
		});
	},

	insertFacebookUser: function (accessToken, refreshToken, profile, done) {
		console.log(profile)
		process.nextTick(function () {
			var userData = {
				facebook_id: profile.id,
				username: profile.username || profile.displayName.toLowerCase().replace(/ /g,'-'),
				displayName: profile.displayName,
				photo: "http://graph.facebook.com/" + profile.id + "/picture?type=large",
				links: [profile.profileUrl]
			};

			User.findOne({facebook_id: profile.id}, function(err, data){
				if (! err && data) {
					return done(err, data);
				}
				new User(userData).save(function(err, data){
					if (err) { console.error(err) }
					return done(err, data)
				})
			});

		});
	},

}

module.exports = auth