public function RemoteImageStyleDownloadController::deliver in Remote Stream Wrapper 8

Generates a derivative, given a style and image path.

After generating an image, transfer it to the requesting agent.

Parameters

\Symfony\Component\HttpFoundation\Request $request: The request object.

string $scheme: The file scheme, defaults to 'private'.

\Drupal\image\ImageStyleInterface $image_style: The image style to deliver.

Return value

\Symfony\Component\HttpFoundation\BinaryFileResponse|\Symfony\Component\HttpFoundation\Response The transferred file as response or some error response.

Throws

\Symfony\Component\HttpKernel\Exception\NotFoundHttpException Thrown when the file request is invalid.

\Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException Thrown when the user does not have access to the file.

\Symfony\Component\HttpKernel\Exception\ServiceUnavailableHttpException Thrown when the file is still being generated.

Overrides ImageStyleDownloadController::deliver

File

src/Controller/RemoteImageStyleDownloadController.php, line 35

Class

RemoteImageStyleDownloadController

Defines a controller to serve image styles.

Namespace

Drupal\remote_stream_wrapper\Controller

Code

public function deliver(Request $request, $scheme, ImageStyleInterface $image_style) {

  // Only allow the remote files that exist in {file_managed} to have image
  // style derivatives generated. Otherwise this could open up the site to
  // allowing any remote file to be processed.
  $target = $request->query
    ->get('file');
  $image_uri = $scheme . '://' . $target;
  if (!$this->fileStorage
    ->loadByProperties([
    'uri' => $image_uri,
  ])) {
    throw new AccessDeniedHttpException();
  }
  return parent::deliver($request, $scheme, $image_style);
}