vendor/ibexa/image-editor/src/bundle/Event/Base64ResponseSubscriber.php line 52

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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.     /** @var \Ibexa\Core\IO\IOServiceInterface */
  28.     private $ioService;
  30.     public function __construct(
  31.         IOServiceInterface $ioService
  32.     ) {
  33.         $this->ioService = $ioService;
  34.     }
  36.     public static function getSubscribedEvents(): array
  37.     {
  38.         return [
  39.             KernelEvents::VIEW => 'onView',
  40.             KernelEvents::CONTROLLER => 'onKernelController',
  41.         ];
  42.     }
  44.     public function onKernelController(ControllerEvent $event): void
  45.     {
  46.         $controller = $event->getController();
  47.         if (is_array($controller) && $controller[0] instanceof Base64Controller) {
  48.             $event->getRequest()->attributes->set('base_64_required', true);
  49.         }
  50.     }
  52.     public function onView(ViewEvent $event): void
  53.     {
  54.         $value = $event->getControllerResult();
  56.         if ($event->getRequest()->attributes->get('base_64_required') !== true) {
  57.             return;
  58.         }
  59.         if (!$value instanceof Value) {
  60.             return;
  61.         }
  63.         $file = $this->ioService->loadBinaryFile($value->id);
  64.         $requestedType = $event->getRequest()->headers->get('Accept', '');
  65.         $response = new Response();
  67.         if ($requestedType === '' || $requestedType === 'application/octet-stream') {
  68.             $response = new Base64Response($file, $this->ioService);
  69.             $response->setContentDisposition(
  70.                 ResponseHeaderBag::DISPOSITION_ATTACHMENT,
  71.                 $value->fileName
  72.             );
  73.         }
  75.         if ($requestedType === 'application/json') {
  76.             $response = new JsonResponse(
  77.                 new Base64File(
  78.                     $this->buildBase64($file),
  79.                     $value->fileName
  80.                 )
  81.             );
  82.         }
  84.         $event->setResponse($response);
  85.     }
  87.     private function buildBase64(BinaryFile $binaryFile): string
  88.     {
  89.         return sprintf(
  90.             'data:%s;base64,%s',
  91.             $this->ioService->getMimeType($binaryFile->id),
  92.             base64_encode($this->ioService->getFileContents($binaryFile))
  93.         );
  94.     }
  95. }
  97. class_alias(Base64ResponseSubscriber::class, 'Ibexa\Platform\Bundle\ImageEditor\Event\Base64ResponseSubscriber');