angular401interceptor

gistfile1.js

angular.module('angularAuth', ['ngCookies'])  
.config([
    '$routeProvider', 
    '$locationProvider', 
    '$httpProvider', 
    function ($routeProvider, $locationProvider, $httpProvider) {

    // ...

    var interceptor = ['$location', '$q', function($location, $q) {
        function success(response) {
            return response;
        }

        function error(response) {

            if(response.status === 401) {
              // Or login dialog
                $location.path('/login');
                return $q.reject(response);
            }
            else {
                return $q.reject(response);
            }
        }

        return function(promise) {
            return promise.then(success, error);
        }
    }];

    $httpProvider.responseInterceptors.push(interceptor);
});