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');