Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\toolbar\PageCache;
Chris@0: 
Chris@0: use Drupal\Core\PageCache\RequestPolicyInterface;
Chris@0: use Symfony\Component\HttpFoundation\Request;
Chris@0: 
Chris@0: /**
Chris@0:  * Cache policy for the toolbar page cache service.
Chris@0:  *
Chris@0:  * This policy allows caching of requests directed to /toolbar/subtrees/{hash}
Chris@0:  * even for authenticated users.
Chris@0:  */
Chris@0: class AllowToolbarPath implements RequestPolicyInterface {
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function check(Request $request) {
Chris@0:     // Note that this regular expression matches the end of pathinfo in order to
Chris@0:     // support multilingual sites using path prefixes.
Chris@0:     if (preg_match('#/toolbar/subtrees/[^/]+(/[^/]+)?$#', $request->getPathInfo())) {
Chris@0:       return static::ALLOW;
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0: }