/**
  * @param RequestResponseEvent $event
  */
 public function listen(RequestResponseEvent $event)
 {
     $request = $event->getRequest();
     $cmsPrefix = $this->container->getParameter('cms.prefix');
     if (strpos($request->getPathInfo(), $cmsPrefix) === 0) {
         //in any way we should try to extract data from session
         $session = $this->container->getSession();
         $tokenParameter = $this->container->getParameter('cms_authentication.session.storage_key');
         $securityContext = $this->container->getSecurityContext();
         if ($session->has($tokenParameter)) {
             $securityContext->setToken($session->get($tokenParameter));
             $this->container->getEventDispatcher()->dispatch(AuthController::TOKEN_CHANGE_EVENT, new DataAgnosticEvent());
         }
         //non-authorized users that are not on anonymous paths are getting redirected to login
         if ((!$securityContext->getToken() || !$securityContext->getToken()->getUser()) && !in_array($request->getPathInfo(), $this->container->getParameter('cms_authentication.paths.anonymous'))) {
             if ($request->isXmlHttpRequest()) {
                 $event->setResponse(new Response(AuthController::EMPTY_BODY, AuthController::FAILURE_STATUS));
             } else {
                 $event->setResponse(new RedirectResponse($this->container->getRouter()->generate('cms_authentication_login')));
             }
             $event->stopPropagation();
         }
         //authorized users on login path are redirected to dashboard
         if ($securityContext->getToken() && $securityContext->getToken()->getUser() && strpos($request->getPathInfo(), $this->container->getParameter('cms_authentication.paths.login')) === 0) {
             $event->setResponse(new RedirectResponse($cmsPrefix));
             $event->stopPropagation();
         }
     }
 }
 /**
  * @param RequestResponseEvent $event
  */
 public function listen(RequestResponseEvent $event)
 {
     $path = $event->getRequest()->getPathInfo();
     $parts = pathinfo($path);
     $parts = array_merge(array('dirname' => '', 'basename' => '', 'extension' => '', 'filename'), $parts);
     switch (strtolower($parts['extension'])) {
         case 'css':
             //possible it's not yet compiled less file?
             $lessFile = $this->container->getApplication()->getWebRoot() . $path . '.less';
             if (is_file($lessFile)) {
                 $asset = new FileAsset($lessFile);
                 $asset->ensureFilter(new LessphpFilter());
                 $content = $this->container->getCache()->fetch('assets_404', $path, function () use($asset) {
                     return $asset->dump();
                 }, $asset->getLastModified(), 0, true);
                 $event->setResponse(new Response($content, 200, array('Content-Type' => 'text/css')));
                 $event->stopPropagation();
                 return;
             }
             break;
     }
 }