app.js

  angular.module("app").controller("AppCtrl", function($scope, $http, $window, configuration, currentUserFactory, authService) {
    $scope.config = configuration;
    $scope.$on("event:auth-loginRequired", function() {
      $http.post("/auth/refresh").then(function(response) {
        authService.loginConfirmed();
      }, function(response) {
        $window.location.href = "/auth/logged_out";
      });
    });
  });