code: function addSessionHandling(secrets, app) {
    var connection = dbUtils.getConnectionNow();
  
    var sessionStore = new MongoStore({
      db: connection.db
    });
  
    app.use(cookieParser());
    app.use(session({
      secret: secrets.cookieSecret,
      maxAge: 3600000, // 1 hour
      store: sessionStore
    }));
  
    app.use(passport.initialize());
    exports.usingSessions = true;
    app.use(passport.session());
  
    passport.serializeUser(function (user, done) {
      var data = user.data || user;
      done(null, {
        data: data,
        isAuthenticated: true,
        meta: {}
      });
    });
  
    passport.deserializeUser(function (obj, done) {
      done(null, obj);
    });
  }
docs: Adds the handling of session cookies.