Controller_Admin_Base::before PHP Method

    public function before()
    {
        parent::before();
        // Set common variables
        $this->a2 = A2::instance('auth');
        $this->a1 = $this->a2->a1;
        $this->session = Session::instance();
        // Check if internal request
        if ($this->request !== Request::instance() or Request::$is_ajax) {
            $this->_internal = TRUE;
        }
        // Check if internal-only request
        if (in_array($this->request->action, $this->_internal_only) and !$this->_internal) {
            Kohana::$log->add(Kohana::INFO, 'Attempt to access internal URL, ' . $this->request->uri . ', externally');
            Request::instance()->redirect(Route::get('admin')->uri());
        }
        // Perform resource loads and ACL check
        try {
            if (in_array($this->request->action, $this->_resource_required)) {
                $this->_load_resource();
            }
            if ($this->_acl_required === 'all' or in_array($this->request->action, $this->_acl_required)) {
                $privilege = isset($this->_acl_map[$this->request->action]) ? $this->_acl_map[$this->request->action] : $this->_acl_map['default'];
                $this->a2->allowed($this->_resource, $privilege, TRUE);
            }
        } catch (A2_Exception $ae) {
            // Redirect to login form if not logged in
            if (!($user = $this->a2->get_user())) {
                $this->session->set('referrer', Request::instance()->uri);
                Message::instance()->error(Kohana::message('a2', 'login.required'));
                $this->request->redirect(Route::get('admin/auth')->uri());
            }
            Kohana::$log->add('ACCESS', 'Failed attempt to access resource, ' . $this->_resource . ', by user, ' . $user->username . ', with url, ' . $this->request->uri);
            Message::instance()->error($ae->getMessage(), array(':resource' => $this->_resource));
            // If internal request, redirect to denied action
            if ($this->_internal) {
                $this->request->action = 'denied';
            } else {
                // If controller-level access is denied, redirect to admin main
                if ($this->request->action == 'index') {
                    $this->request->redirect(Route::get('admin')->uri());
                } else {
                    $this->request->redirect($this->request->uri(array('action' => 'index', 'id' => NULL)));
                }
            }
        } catch (Kohana_Exception $ke) {
            // Catch 404 exceptions triggered by invalid resource loads
            if ($ke->getCode() == 404) {
                Message::instance()->error($ke->getMessage());
                $this->request->redirect($this->request->uri(array('action' => '', 'id' => NULL)));
            } else {
                throw $ke;
            }
        }
    }

 public function before()
 {
     parent::before();
     // Выводим в шаблон
     $this->template->title = 'Вход в пенель управления';
     $this->template->page_title = 'Авторизация';
 }