caradoc-user/lib/passport.js

default user for caradoc framework

/*
 * DEPENDENCIES
 */
var   passport = require('passport')
    , FacebookStrategy = require('passport-facebook').Strategy
    , TwitterStrategy = require('passport-twitter').Strategy
    , GoogleStrategy = require('passport-google').Strategy
    , path = require('path')
    , entity = require('caradoc-entity')
    ;

/*
 * VARIABLES
 */
var   login_path = ""
    , redirect_path = ""
    , site_url = ""
    ;


/*
 * Export function
 */
exports.passport = function(app){

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

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

    /*
     * FACEBOOK
     */
    passport.use(new FacebookStrategy({
            clientID: 'FACEBOOK_APP_ID',
            clientSecret: 'FACEBOOK_APP_SECRET',
            callbackURL: path.join(site_url , "/auth/facebook/callback")
        },
        function(accessToken, refreshToken, profile, done) {
            findOrCreate('facebook', profile.id,function(err, user) {
                if (err) { done(err); }
                done(null, user);
            });
        }
    ));

    app.get('/auth/facebook', passport.authenticate('facebook'));
    app.get('/auth/facebook/callback',
        passport.authenticate('facebook', { successRedirect: redirect_path,
            failureRedirect: login_path }));


    /*
     * TWITTER
     */
    passport.use(new TwitterStrategy({
            consumerKey: 'TWITTER_CONSUMER_KEY',
            consumerSecret: 'TWITTER_CONSUMER_SECRET',
            callbackURL: path.join(site_url , "/auth/twitter/callback")
        },
        function(token, tokenSecret, profile, done) {
            findOrCreate('twitter', profile.id, function(err, user) {
                if (err) {  done(err); }
                done(null, user);
            });
        }
    ));

    app.get('/auth/twitter', passport.authenticate('twitter'));
    app.get('/auth/twitter/callback',
        passport.authenticate('twitter', { successRedirect: redirect_path,
            failureRedirect: login_path }));

    /*
     * GOOGLE
     */
    passport.use(new GoogleStrategy({
            returnURL: path.join(site_url , '/auth/google/return'),
            realm: site_url
        },
        function(identifier, profile, done) {
            findOrCreate('google', identifier, function(err, user) {
                done(err, user);
            });
        }
    ));

    app.get('/auth/google', passport.authenticate('google'));
    app.get('/auth/google/return',
        passport.authenticate('google', { successRedirect: redirect_path,
            failureRedirect: login_path }));

    /*
     * LOCAL
     */

    // TODO : create local strategy
};
/**
 *
 * @param strategy {String}
 * @param id{int}
 * @param callback {function}
 */
function findOrCreate(strategy, id, callback){

    var findUser = entity.find('user');
    if(strategy == 'facebook'){

        findUser.getByFacebookId(id, function(err, rows){
            if(err) callback(err);
            if(rows.length == 0){
                User = entity.generate.user;
                User = new User({
                   id : null,
                   facebook_id : id
                });
                entity.insert(User);
                entity.flush();
            }
            else{
                done(null, rows[0]);
            }
        });

    }
    else if(strategy == 'twitter'){

        findUser.getByTwitter_Id(id, function(err, rows){
            if(err) callback(err);
            if(rows.length == 0){
                User = entity.generate.user;
                User = new User({
                    id : null,
                    twitter_id : id
                });
                entity.insert(User);
                entity.flush();
            }
            else{
                done(null, rows[0]);
            }
        });
    }
    else if(strategy == 'google'){

        findUser.getByGoogle_id(id, function(err, rows){
            if(err) callback(err);
            if(rows.length == 0){
                User = entity.generate.user;
                User = new User({
                    id : null,
                    google_id : id
                });
                entity.insert(User);
                entity.flush();
            }
            else{
                done(null, rows[0]);
            }
        });
    }
    else if(strategy == 'local'){

    }
    else{
        process.nextTick(function(){
            callback('no such strategy');
        });
    }

}