gistfile1.txt

app.factory('authInterceptor', function($q, Auth) {
        return {
            request: function (config) {

                var deferred = $q.defer();

                if (Auth.authz.token) {
                    console.log("entro")
                    Auth.authz.updateToken(5).success(function() {
                        config.headers = config.headers || {};
                        config.headers.Authorization = 'Bearer ' + Auth.authz.token;

                        deferred.resolve(config);
                    }).error(function() {
                        deferred.reject('Failed to refresh token');
                    });
                }
                return deferred.promise;
            }
        };
    });