rwgps.js

    /**
    * Get currently logged in user
    * @method getCurrent
    * @static
    * @return {Promise} A promise for the currently authenticated user
    */
    User.getCurrent = function() {
      if(this.currentDfd) 
        return this.currentDfd;

      var dfd = this.currentDfd = new $.Deferred();
      // we might already have a user prepopulated, let's check
      if(rwgps.ns('config').currentUser !== undefined) {
        if(rwgps.config.currentUser) {
          dfd.resolve(new User(rwgps.config.currentUser)); // we have a user
        } else {
          dfd.reject(); // user is not logged in
        }
      } else {
        $.getJSON(baseURL + '/users/current.js?callback=?', function(data) {
          if(data) {
            dfd.resolve(new User(data));
          } else {
            dfd.reject();
          }
        });
      }
      return dfd;
    }