we-core/lib/auth/passport/index.js

We.js is a node.js framework for build real time applications, sites or blogs!

var passport = require('passport');

module.exports = {
  configureAndSetStrategies: function configureAndSetStrategies(we) {
    // disable if we.config.passport is null
    if (!we.config.passport || !we.config.passport.strategies) return;
    // save strategy names for auth login
    we.auth.strategyNames = Object.keys(we.config.passport.strategies);

    we.auth.strategyNames.forEach(function forEachStrategyName(name) {
      var strategy = we.config.passport.strategies[name];
      // i18n title for use in icons and links
      strategy.i18nTitle = 'passport.strategy.'+name;

      if (!strategy.Strategy)
        throw new Error('we.config.passport.strategies.'+name+'.Strategy is required');
      if (!strategy.findUser)
        throw new Error('we.config.passport.strategies.'+name+'.findUser function is required');

      try {
        passport.use(new strategy.Strategy(strategy, strategy.findUser.bind({ we: we })));
      } catch(e) {
        we.log.error('auth:configureAndSetStrategies:', e);
      }
    });
    // initialize and set session
    we.express.use(passport.initialize());
    // session suport
    if (we.config.passport.enableSession) {
      // - serializer, serialize user to save in session
      passport.serializeUser(function onSerializeAuthUser(user, done) {
        done(null, user.id);
      });
      // deserializer, get data from db with session get from id
      passport.deserializeUser(function onDeserializeAuthUser(id, done) {
        we.db.models.user.findOne({
          where: { id: id }
        }).then(function afterLoadAuthUserInPassport(user) {
          done(null, user);
        });
      });

      we.express.use(passport.session());
    }
    // save passport in we.passport
    we.passport = passport;
  }
}