vendor/terminal42/contao-fineuploader/src/EventListener/FileUploadListener.php line 34

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  1. <?php
  3. declare(strict_types=1);
  5. namespace Terminal42\FineUploaderBundle\EventListener;
  7. use Contao\Config;
  8. use Contao\File;
  9. use Contao\FilesModel;
  10. use Contao\Validator;
  11. use Symfony\Component\HttpFoundation\JsonResponse;
  12. use Terminal42\FineUploaderBundle\Event\FileUploadEvent;
  13. use Terminal42\FineUploaderBundle\Uploader;
  14. use Terminal42\FineUploaderBundle\Widget\FrontendWidget;
  16. class FileUploadListener
  17. {
  18.     /**
  19.      * @var Uploader
  20.      */
  21.     private $uploader;
  23.     /**
  24.      * FileUploadListener constructor.
  25.      */
  26.     public function __construct(Uploader $uploader)
  27.     {
  28.         $this->uploader = $uploader;
  29.     }
  31.     /**
  32.      * On file upload.
  33.      */
  34.     public function onFileUpload(FileUploadEvent $event): void
  35.     {
  36.         $widget = $event->getWidget();
  37.         $filePath = $this->uploader->upload($event->getRequest(), $widget);
  39.         if (null === $filePath) {
  40.             $event->setResponse(new JsonResponse([
  41.                 'success' => false,
  42.                 'error' => $GLOBALS['TL_LANG']['ERR']['general'],
  43.                 'preventRetry' => true,
  44.             ]));
  46.             return;
  47.         }
  49.         if (Validator::isUuid($filePath)) {
  50.             $fileModel = FilesModel::findByUuid($filePath);
  52.             if (null === $fileModel) {
  53.                 $event->setResponse(new JsonResponse([
  54.                     'success' => false,
  55.                     'error' => $GLOBALS['TL_LANG']['ERR']['general'],
  56.                     'preventRetry' => true,
  57.                 ]));
  59.                 return;
  60.             }
  62.             $filePath = $fileModel->path;
  63.         }
  65.         // Validate the image dimensions for the frontend widget
  66.         if ($widget instanceof FrontendWidget) {
  67.             $this->validateImageDimensions($widget, $filePath);
  68.         }
  70.         if ($widget->hasErrors()) {
  71.             $response = [
  72.                 'success' => false,
  73.                 'error' => $widget->getErrorAsString(),
  74.                 'preventRetry' => true,
  75.             ];
  76.         } else {
  77.             $response = ['success' => true, 'file' => $filePath];
  78.         }
  80.         $event->setResponse(new JsonResponse($response));
  81.     }
  83.     /**
  84.      * Validate the image dimensions.
  85.      *
  86.      * @param string $filePath
  87.      */
  88.     private function validateImageDimensions(FrontendWidget $widget, $filePath): void
  89.     {
  90.         $file = new File($filePath);
  92.         if ($file->isImage) {
  93.             $config = $widget->getUploaderConfig();
  95.             $maxWidth = $config->getMaxImageWidth() ?: Config::get('imageWidth');
  96.             $maxHeight = $config->getMaxImageHeight() ?: Config::get('imageHeight');
  98.             // Image exceeds maximum image width
  99.             if ($maxWidth > 0 && $file->width > $maxWidth) {
  100.                 $widget->addError(sprintf($GLOBALS['TL_LANG']['ERR']['filewidth'], '', $maxWidth));
  101.             }
  103.             // Image exceeds maximum image height
  104.             if ($maxHeight > 0 && $file->height > $maxHeight) {
  105.                 $widget->addError(sprintf($GLOBALS['TL_LANG']['ERR']['fileheight'], '', $maxHeight));
  106.             }
  107.         }
  108.     }
  109. }