gistfile1.js

angular
    .module("xSources.Security")
    .service("AuthenticationApi", function ($rootScope, ipCookie, SessionModel, Restangular) {

        var my = this;

        my.initialize = function () {
            SessionModel.get().then(function (session) {
                if (session == null || !session.IsValid) {
                    $rootScope.$broadcast("authentication:required");
                } else {
                    session.logout = my.logout;
                    $rootScope.$broadcast("authentication:granted", session);
                }
            });
        };

        my.login = function (user, pass) {
            Restangular.all("UserSession").post({
                User: {
                    Name: user,
                    Password: pass
                }
            }).then(function (session) {
                if (session.IsValid) {
                    SessionModel.create(session);
                    session.logout = my.logout;
                    $rootScope.$broadcast("authentication:granted", session);
                } else {
                    $rootScope.$broadcast("authentication:denied");
                }
            }, function (res) {
                $rootScope.$broadcast("authentication:failed", res);
            });
        };

        my.logout = function () {
            SessionModel.destroy().then(function () {
                window.location.reload();
            });
        };
    });