Same name and namespace in other branches

1. 9 core/modules/media/src/Plugin/media/Source/OEmbed.php \Drupal\media\Plugin\media\Source\OEmbed::getLocalThumbnailUri()
2. 8.9.x core/modules/media/src/Plugin/media/Source/OEmbed.php \Drupal\media\Plugin\media\Source\OEmbed::getLocalThumbnailUri()
3. 11.x core/modules/media/src/Plugin/media/Source/OEmbed.php \Drupal\media\Plugin\media\Source\OEmbed::getLocalThumbnailUri()

Returns the local URI for a resource thumbnail.

If the thumbnail is not already locally stored, this method will attempt to download it.

@todo Determine whether or not oEmbed media thumbnails should be stored locally at all, and if so, whether that functionality should be toggle-able. See https://www.drupal.org/project/drupal/issues/2962751 for more information.

Parameters

\Drupal\media\OEmbed\Resource $resource: The oEmbed resource.

\Drupal\media\MediaInterface|null $media: The media entity that contains the resource.

Return value

string|null The local thumbnail URI, or NULL if it could not be downloaded, or if the resource has no thumbnail at all.

1 call to OEmbed::getLocalThumbnailUri()

OEmbed::getMetadata in core/modules/media/src/Plugin/media/Source/OEmbed.php

Gets the value for a metadata attribute for a given media item.

File

core/modules/media/src/Plugin/media/Source/OEmbed.php, line 403

Class

OEmbed

Provides a media source plugin for oEmbed resources.

Namespace

Drupal\media\Plugin\media\Source

Code

protected function getLocalThumbnailUri(Resource $resource, ?MediaInterface $media = NULL) {
  if (is_null($media)) {
    @trigger_error('Calling ' . __METHOD__ . '() without the $media argument is deprecated in drupal:10.3.0 and it will be required in drupal:11.0.0. See https://www.drupal.org/node/3432920', E_USER_DEPRECATED);
    $token_data = [];
  }
  else {
    $token_data = [
      'date' => $media->getCreatedTime(),
    ];
  }
  // If there is no remote thumbnail, there's nothing for us to fetch here.
  $remote_thumbnail_url = $resource->getThumbnailUrl();
  if (!$remote_thumbnail_url) {
    return NULL;
  }
  // Use the configured directory to store thumbnails. The directory can
  // contain basic (i.e., global) tokens. If any of the replaced tokens
  // contain HTML, the tags will be removed and XML entities will be decoded.
  $configuration = $this->getConfiguration();
  $directory = $configuration['thumbnails_directory'];
  // The thumbnail directory might contain a date token, so we pass in the
  // creation date of the media entity so that the token won't rely on the
  // current request time, making the current request have a max-age of 0.
  // @see system_tokens() for $type == 'date'.
  $directory = $this->token
    ->replace($directory, $token_data);
  $directory = PlainTextOutput::renderFromHtml($directory);
  // The local thumbnail doesn't exist yet, so try to download it. First,
  // ensure that the destination directory is writable, and if it's not,
  // log an error and bail out.
  if (!$this->fileSystem
    ->prepareDirectory($directory, FileSystemInterface::CREATE_DIRECTORY | FileSystemInterface::MODIFY_PERMISSIONS)) {
    $this->logger
      ->warning('Could not prepare thumbnail destination directory @dir for oEmbed media.', [
      '@dir' => $directory,
    ]);
    return NULL;
  }
  // The local filename of the thumbnail is always a hash of its remote URL.
  // If a file with that name already exists in the thumbnails directory,
  // regardless of its extension, return its URI.
  $remote_thumbnail_url = $remote_thumbnail_url->toString();
  $hash = Crypt::hashBase64($remote_thumbnail_url);
  $files = $this->fileSystem
    ->scanDirectory($directory, "/^{$hash}\\..*/");
  if (count($files) > 0) {
    return reset($files)->uri;
  }
  // The local thumbnail doesn't exist yet, so we need to download it.
  try {
    $response = $this->httpClient
      ->request('GET', $remote_thumbnail_url);
    if ($response->getStatusCode() === 200) {
      $local_thumbnail_uri = $directory . DIRECTORY_SEPARATOR . $hash . '.' . $this->getThumbnailFileExtensionFromUrl($remote_thumbnail_url, $response);
      $this->fileSystem
        ->saveData((string) $response->getBody(), $local_thumbnail_uri, FileExists::Replace);
      return $local_thumbnail_uri;
    }
  } catch (ClientExceptionInterface $e) {
    $this->logger
      ->warning('Failed to download remote thumbnail file due to "%error".', [
      '%error' => $e->getMessage(),
    ]);
  } catch (FileException $e) {
    $this->logger
      ->warning('Could not download remote thumbnail from {url}.', [
      'url' => $remote_thumbnail_url,
    ]);
  }
  return NULL;
}

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