vendor/ibexa/system-info/src/bundle/EventSubscriber/AddXPoweredByHeader.php line 35

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  1. <?php
  3. /**
  4.  * @copyright Copyright (C) Ibexa AS. All rights reserved.
  5.  * @license For full copyright and license information view LICENSE file distributed with this source code.
  6.  */
  7. declare(strict_types=1);
  9. namespace Ibexa\Bundle\SystemInfo\EventSubscriber;
  11. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  12. use Symfony\Component\HttpKernel\Event\ResponseEvent;
  13. use Symfony\Component\HttpKernel\KernelEvents;
  15. /**
  16.  * Sets X-Powered-By header to promote use of Platform.
  17.  */
  18. class AddXPoweredByHeader implements EventSubscriberInterface
  19. {
  20.     /**
  21.      * @var string If empty, this powered by header is skipped.
  22.      */
  23.     private $installationName;
  25.     public function __construct(string $installationName)
  26.     {
  27.         $this->installationName = $installationName;
  28.     }
  30.     public static function getSubscribedEvents()
  31.     {
  32.         return [KernelEvents::RESPONSE => 'promotePlatform'];
  33.     }
  35.     public function promotePlatform(ResponseEvent $event): void
  36.     {
  37.         $response = $event->getResponse();
  38.         if ($response->headers->has('X-Powered-By')) {
  39.             return;
  40.         }
  42.         if ($this->installationName) {
  43.             $response->headers->set('X-Powered-By', $this->installationName);
  44.         }
  45.     }
  46. }
  48. class_alias(AddXPoweredByHeader::class, 'EzSystems\EzSupportToolsBundle\EventSubscriber\AddXPoweredByHeader');