vendor/ibexa/image-editor/src/bundle/Event/Base64ResponseSubscriber.php line 43

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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\ImageEditor\Event;
  11. use Ibexa\Bundle\ImageEditor\Controller\Base64Controller;
  12. use Ibexa\Core\FieldType\Image\Value;
  13. use Ibexa\Core\IO\IOServiceInterface;
  14. use Ibexa\Core\IO\Values\BinaryFile;
  15. use Ibexa\ImageEditor\Output\Base64File;
  16. use Ibexa\ImageEditor\Response\Base64Response;
  17. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  18. use Symfony\Component\HttpFoundation\JsonResponse;
  19. use Symfony\Component\HttpFoundation\Response;
  20. use Symfony\Component\HttpFoundation\ResponseHeaderBag;
  21. use Symfony\Component\HttpKernel\Event\ControllerEvent;
  22. use Symfony\Component\HttpKernel\Event\ViewEvent;
  23. use Symfony\Component\HttpKernel\KernelEvents;
  25. final class Base64ResponseSubscriber implements EventSubscriberInterface
  26. {
  27. private IOServiceInterface $ioService;
  29. public function __construct(
  30. IOServiceInterface $ioService
  31. ) {
  32. $this->ioService = $ioService;
  33. }
  35. public static function getSubscribedEvents(): array
  36. {
  37. return [
  38. KernelEvents::VIEW => 'onView',
  39. KernelEvents::CONTROLLER => 'onKernelController',
  40. ];
  41. }
  43. public function onKernelController(ControllerEvent $event): void
  44. {
  45. $controller = $event->getController();
  46. if (is_array($controller) && $controller[0] instanceof Base64Controller) {
  47. $event->getRequest()->attributes->set('base_64_required', true);
  48. }
  49. }
  51. public function onView(ViewEvent $event): void
  52. {
  53. $value = $event->getControllerResult();
  55. if ($event->getRequest()->attributes->get('base_64_required') !== true) {
  56. return;
  57. }
  58. if (!$value instanceof Value) {
  59. return;
  60. }
  62. $file = $this->ioService->loadBinaryFile($value->id);
  63. $requestedType = $event->getRequest()->headers->get('Accept', '');
  64. $response = new Response();
  66. if ($requestedType === '' || $requestedType === 'application/octet-stream') {
  67. $response = new Base64Response($file, $this->ioService);
  68. $response->setContentDisposition(
  69. ResponseHeaderBag::DISPOSITION_ATTACHMENT,
  70. (string) $value->fileName
  71. );
  72. }
  74. if ($requestedType === 'application/json') {
  75. $response = new JsonResponse(
  76. new Base64File(
  77. $this->buildBase64($file),
  78. (string) $value->fileName
  79. )
  80. );
  81. }
  83. $event->setResponse($response);
  84. }
  86. private function buildBase64(BinaryFile $binaryFile): string
  87. {
  88. return sprintf(
  89. 'data:%s;base64,%s',
  90. $this->ioService->getMimeType($binaryFile->id),
  91. base64_encode($this->ioService->getFileContents($binaryFile))
  92. );
  93. }
  94. }
  96. class_alias(Base64ResponseSubscriber::class, 'Ibexa\Platform\Bundle\ImageEditor\Event\Base64ResponseSubscriber');