angularjs security interceptor

securityInterceptor.js

var securityInterceptor = angular.module('security.interceptor', []);

//securityInterceptor, add token to page_header
securityInterceptor.factory('securityInterceptor', ['$q', '$cookieStore', '$location', 'toaster',
    function ($q, $cookieStore, $location, toaster) {
        var token = $cookieStore.get('token');
        return {
            'request': function (config) {
                config.headers = config.headers || {};
                if (token) {
                    config.headers.Authorization = 'Token ' + token;
                }
                return config;
            },

            'responseError': function (rejection) {
                if (rejection.status === 401) {
                    $location.path('/login');
                }
                else if (rejection.status === 403) {
                    toaster.pop('error', '', 'Unauthorized');
                    $location.path('/login').replace();
                }

                return $q.reject(rejection);
            }
        };
    }]);

//add the securityInterceptor to http config
securityInterceptor.config(['$httpProvider', function ($httpProvider) {
    $httpProvider.interceptors.push('securityInterceptor');
}]);