$.ajax({
                type: 'GET',
                url: 'http://localhost/owncloud/index.php/apps/news/api/2.0/version',
                contentType: 'application/json',
                success: function (response) {
                    // handle success
                },
                error: function () {
                    // handle errors
                },
                beforeSend: function (xhr) {
                    var username = 'admin';
                    var password = 'admin';
                    var auth = btoa(username + ':' + password);
                    xhr.setRequestHeader('Authorization', 'Basic ' + auth);
                }
            });