778 lines
		
	
	
		
			30 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			778 lines
		
	
	
		
			30 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/**
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 * @file
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 */
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use Drupal\Component\Utility\NestedArray;
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use Drupal\Core\Entity\EntityStorageInterface;
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use Drupal\Core\Field\FieldDefinitionInterface;
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use Drupal\Core\Field\FieldFilteredMarkup;
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use Drupal\Core\File\Exception\FileException;
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use Drupal\Core\File\Exception\FileExistsException;
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use Drupal\Core\File\Exception\FileWriteException;
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use Drupal\Core\File\Exception\InvalidStreamWrapperException;
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use Drupal\Core\File\FileExists;
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use Drupal\Core\File\FileSystemInterface;
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use Drupal\Core\Form\FormStateInterface;
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use Drupal\Core\Link;
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use Drupal\Core\Lock\LockAcquiringException;
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use Drupal\Core\Messenger\MessengerInterface;
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use Drupal\Core\Render\Element;
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use Drupal\Core\StringTranslation\ByteSizeMarkup;
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use Drupal\Core\Template\Attribute;
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use Drupal\file\FileInterface;
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use Drupal\file\IconMimeTypes;
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use Drupal\file\Plugin\Field\FieldFormatter\FileVideoFormatter;
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use Drupal\file\Upload\FileUploadHandlerInterface;
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use Drupal\file\Upload\FormUploadedFile;
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/**
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 * Examines a file entity and returns appropriate content headers for download.
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 *
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 * @param \Drupal\file\FileInterface $file
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 *   A file entity.
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 *
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 * @return array
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 *   An associative array of headers, as expected by
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 *   \Symfony\Component\HttpFoundation\StreamedResponse.
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 *
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 * @deprecated in drupal:11.2.0 and is removed from drupal:12.0.0. Use Drupal\file\Entity\FileInterface::getDownloadHeaders() instead.
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 * @see https://www.drupal.org/node/3494172
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 */
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function file_get_content_headers(FileInterface $file) {
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  @trigger_error(__FUNCTION__ . '() is deprecated in drupal:11.2.0 and is removed from drupal:12.0.0.  Use Drupal\file\Entity\FileInterface::getDownloadHeaders() instead. See https://www.drupal.org/node/3494172', E_USER_DEPRECATED);
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  return $file->getDownloadHeaders();
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}
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/**
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 * Saves form file uploads.
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 *
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 * The files will be added to the {file_managed} table as temporary files.
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 * Temporary files are periodically cleaned. Use the 'file.usage' service to
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 * register the usage of the file which will automatically mark it as permanent.
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 *
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 * @param array $element
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 *   The FAPI element whose values are being saved.
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 * @param \Drupal\Core\Form\FormStateInterface $form_state
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 *   The current state of the form.
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 * @param null|int $delta
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 *   (optional) The delta of the file to return the file entity.
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 *   Defaults to NULL.
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 * @param \Drupal\Core\File\FileExists|int $fileExists
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 *   (optional) The replace behavior when the destination file already exists.
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 *
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 * @return array|\Drupal\file\FileInterface|null|false
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 *   An array of file entities or a single file entity if $delta != NULL. Each
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 *   array element contains the file entity if the upload succeeded or FALSE if
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 *   there was an error. Function returns NULL if no file was uploaded.
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 *
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 * @throws \ValueError
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 *    Thrown if $fileExists is a legacy int and not a valid value.
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 *
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 * @internal
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 *   This function is internal, and may be removed in a minor version release.
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 *   It wraps file_save_upload() to allow correct error handling in forms.
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 *   Contrib and custom code should not call this function, they should use the
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 *   managed file upload widgets in core.
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 *
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 * @see https://www.drupal.org/project/drupal/issues/3069020
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 * @see https://www.drupal.org/project/drupal/issues/2482783
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 */
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function _file_save_upload_from_form(array $element, FormStateInterface $form_state, $delta = NULL, FileExists|int $fileExists = FileExists::Rename) {
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  if (!$fileExists instanceof FileExists) {
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    // @phpstan-ignore staticMethod.deprecated
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    $fileExists = FileExists::fromLegacyInt($fileExists, __METHOD__);
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  }
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  // Get all errors set before calling this method. This will also clear them
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  // from the messenger service.
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  $errors_before = \Drupal::messenger()->deleteByType(MessengerInterface::TYPE_ERROR);
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  $upload_location = $element['#upload_location'] ?? FALSE;
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  $upload_name = implode('_', $element['#parents']);
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  $upload_validators = $element['#upload_validators'] ?? [];
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  $result = file_save_upload($upload_name, $upload_validators, $upload_location, $delta, $fileExists);
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  // Get new errors that are generated while trying to save the upload. This
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  // will also clear them from the messenger service.
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  $errors_new = \Drupal::messenger()->deleteByType(MessengerInterface::TYPE_ERROR);
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  if (!empty($errors_new)) {
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    if (count($errors_new) > 1) {
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      // Render multiple errors into a single message.
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      // This is needed because only one error per element is supported.
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      $render_array = [
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        'error' => [
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          '#markup' => t('One or more files could not be uploaded.'),
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        ],
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        'item_list' => [
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          '#theme' => 'item_list',
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          '#items' => $errors_new,
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        ],
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      ];
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      $error_message = \Drupal::service('renderer')->renderInIsolation($render_array);
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    }
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    else {
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      $error_message = reset($errors_new);
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    }
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    $form_state->setError($element, $error_message);
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  }
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  // Ensure that errors set prior to calling this method are still shown to the
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  // user.
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  if (!empty($errors_before)) {
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    foreach ($errors_before as $error) {
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      \Drupal::messenger()->addError($error);
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    }
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  }
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  return $result;
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}
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/**
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 * Saves file uploads to a new location.
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 *
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 * The files will be added to the {file_managed} table as temporary files.
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 * Temporary files are periodically cleaned. Use the 'file.usage' service to
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 * register the usage of the file which will automatically mark it as permanent.
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 *
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 * Note that this function does not support correct form error handling. The
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 * file upload widgets in core do support this. It is advised to use these in
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 * any custom form, instead of calling this function.
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 *
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 * @param string $form_field_name
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 *   A string that is the associative array key of the upload form element in
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 *   the form array.
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 * @param array $validators
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 *   (optional) An associative array of Validation Constraint plugins used to
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 *   validate the file.
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 *   If the array is empty, 'FileExtension' will be used by default with a safe
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 *   list of extensions, as follows: "jpg jpeg gif png txt doc xls pdf ppt pps
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 *   odt ods odp". To allow all extensions, you must explicitly set this array
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 *   to ['FileExtension' => []]. (Beware: this is not safe and should only be
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 *   allowed for trusted users, if at all.)
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 * @param string|false $destination
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 *   (optional) A string containing the URI that the file should be copied to.
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 *   This must be a stream wrapper URI. If this value is omitted or set to
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 *   FALSE, Drupal's temporary files scheme will be used ("temporary://").
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 * @param null|int $delta
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 *   (optional) The delta of the file to return the file entity.
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 *   Defaults to NULL.
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 * @param \Drupal\Core\File\FileExists|int $fileExists
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 *   (optional) The replace behavior when the destination file already exists.
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 *
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 * @return array|\Drupal\file\FileInterface|null|false
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 *   An array of file entities or a single file entity if $delta != NULL. Each
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 *   array element contains the file entity if the upload succeeded or FALSE if
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 *   there was an error. Function returns NULL if no file was uploaded.
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 *
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 * @throws \ValueError
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 *   Thrown if $fileExists is a legacy int and not a valid value.
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 *
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 * @see _file_save_upload_from_form()
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 */
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function file_save_upload($form_field_name, $validators = [], $destination = FALSE, $delta = NULL, FileExists|int $fileExists = FileExists::Rename) {
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  if (!$fileExists instanceof FileExists) {
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    // @phpstan-ignore staticMethod.deprecated
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    $fileExists = FileExists::fromLegacyInt($fileExists, __METHOD__);
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  }
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  static $upload_cache;
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  $all_files = \Drupal::request()->files->get('files', []);
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  // Make sure there's an upload to process.
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  if (empty($all_files[$form_field_name])) {
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    return NULL;
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  }
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  $file_upload = $all_files[$form_field_name];
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  // Return cached objects without processing since the file will have
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  // already been processed and the paths in $_FILES will be invalid.
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  if (isset($upload_cache[$form_field_name])) {
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    if (isset($delta)) {
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      return $upload_cache[$form_field_name][$delta];
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    }
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    return $upload_cache[$form_field_name];
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  }
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  // Prepare uploaded files info. Representation is slightly different
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  // for multiple uploads and we fix that here.
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  $uploaded_files = $file_upload;
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  if (!is_array($file_upload)) {
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    $uploaded_files = [$file_upload];
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  }
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  if ($destination === FALSE || $destination === NULL) {
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    $destination = 'temporary://';
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  }
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  /** @var \Drupal\file\Upload\FileUploadHandlerInterface $file_upload_handler */
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  $file_upload_handler = \Drupal::service(FileUploadHandlerInterface::class);
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  /** @var \Drupal\Core\Render\RendererInterface $renderer */
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  $renderer = \Drupal::service('renderer');
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  $files = [];
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  /** @var \Symfony\Component\HttpFoundation\File\UploadedFile $uploaded_file */
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  foreach ($uploaded_files as $i => $uploaded_file) {
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    try {
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      $form_uploaded_file = new FormUploadedFile($uploaded_file);
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      $result = $file_upload_handler->handleFileUpload($form_uploaded_file, $validators, $destination, $fileExists);
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      if ($result->hasViolations()) {
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        $errors = [];
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        foreach ($result->getViolations() as $violation) {
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          $errors[] = $violation->getMessage();
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        }
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        $message = [
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          'error' => [
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            '#markup' => t('The specified file %name could not be uploaded.', ['%name' => $uploaded_file->getClientOriginalName()]),
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          ],
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          'item_list' => [
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            '#theme' => 'item_list',
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            '#items' => $errors,
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          ],
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        ];
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        // @todo Add support for render arrays in
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        // \Drupal\Core\Messenger\MessengerInterface::addMessage()?
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        // @see https://www.drupal.org/node/2505497.
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        \Drupal::messenger()->addError($renderer->renderInIsolation($message));
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        $files[$i] = FALSE;
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        continue;
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      }
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      $file = $result->getFile();
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      // If the filename has been modified, let the user know.
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      if ($result->isRenamed()) {
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        if ($result->isSecurityRename()) {
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          $message = t('For security reasons, your upload has been renamed to %filename.', ['%filename' => $file->getFilename()]);
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        }
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        else {
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          $message = t('Your upload has been renamed to %filename.', ['%filename' => $file->getFilename()]);
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        }
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        \Drupal::messenger()->addStatus($message);
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      }
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      $files[$i] = $file;
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    }
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    catch (FileExistsException) {
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      \Drupal::messenger()->addError(t('Destination file "%file" exists', ['%file' => $destination . $uploaded_file->getFilename()]));
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      $files[$i] = FALSE;
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    }
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    catch (InvalidStreamWrapperException) {
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      \Drupal::messenger()->addError(t('The file could not be uploaded because the destination "%destination" is invalid.', ['%destination' => $destination]));
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      $files[$i] = FALSE;
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    }
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    catch (FileWriteException) {
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      \Drupal::messenger()->addError(t('File upload error. Could not move uploaded file.'));
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      \Drupal::logger('file')->notice('Upload error. Could not move uploaded file %file to destination %destination.', ['%file' => $uploaded_file->getClientOriginalName(), '%destination' => $destination . '/' . $uploaded_file->getClientOriginalName()]);
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      $files[$i] = FALSE;
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    }
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    catch (FileException) {
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      \Drupal::messenger()->addError(t('The file %filename could not be uploaded because the name is invalid.', ['%filename' => $uploaded_file->getClientOriginalName()]));
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      $files[$i] = FALSE;
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    }
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    catch (LockAcquiringException) {
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      \Drupal::messenger()->addError(t('File already locked for writing.'));
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      $files[$i] = FALSE;
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    }
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  }
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  // Add files to the cache.
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  $upload_cache[$form_field_name] = $files;
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  return isset($delta) ? $files[$delta] : $files;
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}
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/**
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 * Form submission handler for upload / remove buttons of managed_file elements.
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 *
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 * @see \Drupal\file\Element\ManagedFile::processManagedFile()
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 */
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function file_managed_file_submit($form, FormStateInterface $form_state): void {
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  // Determine whether it was the upload or the remove button that was clicked,
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  // and set $element to the managed_file element that contains that button.
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  $parents = $form_state->getTriggeringElement()['#array_parents'];
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  $button_key = array_pop($parents);
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  $element = NestedArray::getValue($form, $parents);
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  // No action is needed here for the upload button, because all file uploads on
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  // the form are processed by \Drupal\file\Element\ManagedFile::valueCallback()
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  // regardless of which button was clicked. Action is needed here for the
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  // remove button, because we only remove a file in response to its remove
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  // button being clicked.
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  if ($button_key == 'remove_button') {
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    $fids = array_keys($element['#files']);
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    // Get files that will be removed.
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    if ($element['#multiple']) {
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      $remove_fids = [];
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      foreach (Element::children($element) as $name) {
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        if (str_starts_with($name, 'file_') && $element[$name]['selected']['#value']) {
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          $remove_fids[] = (int) substr($name, 5);
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        }
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      }
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      $fids = array_diff($fids, $remove_fids);
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    }
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    else {
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      // If we deal with single upload element remove the file and set
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      // element's value to empty array (file could not be removed from
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      // element if we don't do that).
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      $remove_fids = $fids;
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      $fids = [];
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    }
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    foreach ($remove_fids as $fid) {
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      // If it's a temporary file we can safely remove it immediately, otherwise
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      // it's up to the implementing module to remove usages of files to have
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      // them removed.
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      if ($element['#files'][$fid] && $element['#files'][$fid]->isTemporary()) {
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        $element['#files'][$fid]->delete();
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      }
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    }
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    // Update both $form_state->getValues() and FormState::$input to reflect
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    // that the file has been removed, so that the form is rebuilt correctly.
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    // $form_state->getValues() must be updated in case additional submit
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    // handlers run, and for form building functions that run during the
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    // rebuild, such as when the managed_file element is part of a field widget.
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    // FormState::$input must be updated so that
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    // \Drupal\file\Element\ManagedFile::valueCallback() has correct information
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    // during the rebuild.
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    $form_state->setValueForElement($element['fids'], implode(' ', $fids));
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    NestedArray::setValue($form_state->getUserInput(), $element['fids']['#parents'], implode(' ', $fids));
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  }
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  // Set the form to rebuild so that $form is correctly updated in response to
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  // processing the file removal. Since this function did not change $form_state
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  // if the upload button was clicked, a rebuild isn't necessary in that
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  // situation and calling $form_state->disableRedirect() would suffice.
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  // However, we choose to always rebuild, to keep the form processing workflow
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  // consistent between the two buttons.
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  $form_state->setRebuild();
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}
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/**
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 * Saves any files that have been uploaded into a managed_file element.
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 *
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 * @param array $element
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 *   The FAPI element whose values are being saved.
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 * @param \Drupal\Core\Form\FormStateInterface $form_state
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 *   The current state of the form.
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 *
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 * @return array|false
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 *   An array of file entities for each file that was saved, keyed by its file
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 *   ID. Each array element contains a file entity. Function returns FALSE if
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 *   upload directory could not be created or no files were uploaded.
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 */
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function file_managed_file_save_upload($element, FormStateInterface $form_state) {
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  $upload_name = implode('_', $element['#parents']);
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  $all_files = \Drupal::request()->files->get('files', []);
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  if (empty($all_files[$upload_name])) {
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    return FALSE;
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  }
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  $file_upload = $all_files[$upload_name];
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  $destination = $element['#upload_location'] ?? NULL;
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  if (isset($destination) && !\Drupal::service('file_system')->prepareDirectory($destination, FileSystemInterface::CREATE_DIRECTORY)) {
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    \Drupal::logger('file')->notice('The upload directory %directory for the file field %name could not be created or is not accessible. A newly uploaded file could not be saved in this directory as a consequence, and the upload was canceled.', ['%directory' => $destination, '%name' => $element['#field_name']]);
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    $form_state->setError($element, t('The file could not be uploaded.'));
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    return FALSE;
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  }
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  // Save attached files to the database.
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  $files_uploaded = $element['#multiple'] && count(array_filter($file_upload)) > 0;
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  $files_uploaded |= !$element['#multiple'] && !empty($file_upload);
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  if ($files_uploaded) {
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    if (!$files = _file_save_upload_from_form($element, $form_state)) {
 | 
						|
      \Drupal::logger('file')->notice('The file upload failed. %upload', ['%upload' => $upload_name]);
 | 
						|
      return [];
 | 
						|
    }
 | 
						|
 | 
						|
    // Value callback expects FIDs to be keys.
 | 
						|
    $files = array_filter($files);
 | 
						|
    $fids = array_map(function ($file) {
 | 
						|
      return $file->id();
 | 
						|
    }, $files);
 | 
						|
 | 
						|
    return empty($files) ? [] : array_combine($fids, $files);
 | 
						|
  }
 | 
						|
 | 
						|
  return [];
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * Prepares variables for file form widget templates.
 | 
						|
 *
 | 
						|
 * Default template: file-managed-file.html.twig.
 | 
						|
 *
 | 
						|
 * @param array $variables
 | 
						|
 *   An associative array containing:
 | 
						|
 *   - element: A render element representing the file.
 | 
						|
 */
 | 
						|
function template_preprocess_file_managed_file(&$variables): void {
 | 
						|
  $element = $variables['element'];
 | 
						|
 | 
						|
  $variables['attributes'] = [];
 | 
						|
  if (isset($element['#id'])) {
 | 
						|
    $variables['attributes']['id'] = $element['#id'];
 | 
						|
  }
 | 
						|
  if (!empty($element['#attributes']['class'])) {
 | 
						|
    $variables['attributes']['class'] = (array) $element['#attributes']['class'];
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * Prepares variables for file link templates.
 | 
						|
 *
 | 
						|
 * Default template: file-link.html.twig.
 | 
						|
 *
 | 
						|
 * @param array $variables
 | 
						|
 *   An associative array containing:
 | 
						|
 *   - file: A File entity to which the link will be created.
 | 
						|
 *   - icon_directory: (optional) A path to a directory of icons to be used for
 | 
						|
 *     files. Defaults to the value of the "icon.directory" variable.
 | 
						|
 *   - description: A description to be displayed instead of the filename.
 | 
						|
 *   - attributes: An associative array of attributes to be placed in the a tag.
 | 
						|
 */
 | 
						|
function template_preprocess_file_link(&$variables): void {
 | 
						|
  $file = $variables['file'];
 | 
						|
  $options = [];
 | 
						|
 | 
						|
  /** @var \Drupal\Core\File\FileUrlGeneratorInterface $file_url_generator */
 | 
						|
  $file_url_generator = \Drupal::service('file_url_generator');
 | 
						|
  $url = $file_url_generator->generate($file->getFileUri());
 | 
						|
 | 
						|
  $mime_type = $file->getMimeType();
 | 
						|
  $options['attributes']['type'] = $mime_type;
 | 
						|
 | 
						|
  // Use the description as the link text if available.
 | 
						|
  if (empty($variables['description'])) {
 | 
						|
    $link_text = $file->getFilename();
 | 
						|
  }
 | 
						|
  else {
 | 
						|
    $link_text = $variables['description'];
 | 
						|
    $options['attributes']['title'] = $file->getFilename();
 | 
						|
  }
 | 
						|
 | 
						|
  // Classes to add to the file field for icons.
 | 
						|
  $classes = [
 | 
						|
    'file',
 | 
						|
    // Add a specific class for each and every mime type.
 | 
						|
    'file--mime-' . strtr($mime_type, ['/' => '-', '.' => '-']),
 | 
						|
    // Add a more general class for groups of well known MIME types.
 | 
						|
    'file--' . IconMimeTypes::getIconClass($mime_type),
 | 
						|
  ];
 | 
						|
 | 
						|
  // Set file classes to the options array.
 | 
						|
  $variables['attributes'] = new Attribute($variables['attributes']);
 | 
						|
  $variables['attributes']->addClass($classes);
 | 
						|
  $variables['file_size'] = $file->getSize() !== NULL ? ByteSizeMarkup::create($file->getSize()) : '';
 | 
						|
 | 
						|
  $variables['link'] = Link::fromTextAndUrl($link_text, $url->mergeOptions($options))->toRenderable();
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * Prepares variables for multi file form widget templates.
 | 
						|
 *
 | 
						|
 * Default template: file-widget-multiple.html.twig.
 | 
						|
 *
 | 
						|
 * @param array $variables
 | 
						|
 *   An associative array containing:
 | 
						|
 *   - element: A render element representing the widgets.
 | 
						|
 */
 | 
						|
function template_preprocess_file_widget_multiple(&$variables): void {
 | 
						|
  $element = $variables['element'];
 | 
						|
  // Special ID and classes for draggable tables.
 | 
						|
  $weight_class = $element['#id'] . '-weight';
 | 
						|
  $table_id = $element['#id'] . '-table';
 | 
						|
 | 
						|
  // Build up a table of applicable fields.
 | 
						|
  $headers = [];
 | 
						|
  $headers[] = t('File information');
 | 
						|
  if ($element['#display_field']) {
 | 
						|
    $headers[] = [
 | 
						|
      'data' => t('Display'),
 | 
						|
      'class' => ['checkbox'],
 | 
						|
    ];
 | 
						|
  }
 | 
						|
  $headers[] = t('Weight');
 | 
						|
  $headers[] = t('Operations');
 | 
						|
 | 
						|
  // Get our list of widgets in order (needed when the form comes back after
 | 
						|
  // preview or failed validation).
 | 
						|
  $widgets = [];
 | 
						|
  foreach (Element::children($element) as $key) {
 | 
						|
    $widgets[] = &$element[$key];
 | 
						|
  }
 | 
						|
  usort($widgets, '_field_multiple_value_form_sort_helper');
 | 
						|
 | 
						|
  $rows = [];
 | 
						|
  foreach ($widgets as &$widget) {
 | 
						|
    // Save the uploading row for last.
 | 
						|
    if (empty($widget['#files'])) {
 | 
						|
      $widget['#title'] = $element['#file_upload_title'];
 | 
						|
      $widget['#description'] = \Drupal::service('renderer')->renderInIsolation($element['#file_upload_description']);
 | 
						|
      continue;
 | 
						|
    }
 | 
						|
 | 
						|
    // Delay rendering of the buttons, so that they can be rendered later in the
 | 
						|
    // "operations" column.
 | 
						|
    $operations_elements = [];
 | 
						|
    foreach (Element::children($widget) as $key) {
 | 
						|
      if (isset($widget[$key]['#type']) && $widget[$key]['#type'] == 'submit') {
 | 
						|
        hide($widget[$key]);
 | 
						|
        $operations_elements[] = &$widget[$key];
 | 
						|
      }
 | 
						|
    }
 | 
						|
 | 
						|
    // Delay rendering of the "Display" option and the weight selector, so that
 | 
						|
    // each can be rendered later in its own column.
 | 
						|
    if ($element['#display_field']) {
 | 
						|
      hide($widget['display']);
 | 
						|
    }
 | 
						|
    hide($widget['_weight']);
 | 
						|
    $widget['_weight']['#attributes']['class'] = [$weight_class];
 | 
						|
 | 
						|
    // Render everything else together in a column, without the normal wrappers.
 | 
						|
    $row = [];
 | 
						|
    $widget['#theme_wrappers'] = [];
 | 
						|
    $row[] = \Drupal::service('renderer')->render($widget);
 | 
						|
 | 
						|
    // Arrange the row with the rest of the rendered columns.
 | 
						|
    if ($element['#display_field']) {
 | 
						|
      unset($widget['display']['#title']);
 | 
						|
      $row[] = [
 | 
						|
        'data' => $widget['display'],
 | 
						|
        'class' => ['checkbox'],
 | 
						|
      ];
 | 
						|
    }
 | 
						|
    $row[] = [
 | 
						|
      'data' => $widget['_weight'],
 | 
						|
    ];
 | 
						|
 | 
						|
    // Show the buttons that had previously been marked as hidden in this
 | 
						|
    // preprocess function. We use show() to undo the earlier hide().
 | 
						|
    foreach (Element::children($operations_elements) as $key) {
 | 
						|
      show($operations_elements[$key]);
 | 
						|
    }
 | 
						|
    $row[] = [
 | 
						|
      'data' => $operations_elements,
 | 
						|
    ];
 | 
						|
    $rows[] = [
 | 
						|
      'data' => $row,
 | 
						|
      'class' => isset($widget['#attributes']['class']) ? array_merge($widget['#attributes']['class'], ['draggable']) : ['draggable'],
 | 
						|
    ];
 | 
						|
  }
 | 
						|
 | 
						|
  $variables['table'] = [
 | 
						|
    '#type' => 'table',
 | 
						|
    '#header' => $headers,
 | 
						|
    '#rows' => $rows,
 | 
						|
    '#attributes' => [
 | 
						|
      'id' => $table_id,
 | 
						|
    ],
 | 
						|
    '#tabledrag' => [
 | 
						|
      [
 | 
						|
        'action' => 'order',
 | 
						|
        'relationship' => 'sibling',
 | 
						|
        'group' => $weight_class,
 | 
						|
      ],
 | 
						|
    ],
 | 
						|
    '#access' => !empty($rows),
 | 
						|
  ];
 | 
						|
 | 
						|
  $variables['element'] = $element;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * Prepares variables for file upload help text templates.
 | 
						|
 *
 | 
						|
 * Default template: file-upload-help.html.twig.
 | 
						|
 *
 | 
						|
 * @param array $variables
 | 
						|
 *   An associative array containing:
 | 
						|
 *   - description: The normal description for this field, specified by the
 | 
						|
 *     user.
 | 
						|
 *   - upload_validators: An array of upload validators as used in
 | 
						|
 *     $element['#upload_validators'].
 | 
						|
 */
 | 
						|
function template_preprocess_file_upload_help(&$variables): void {
 | 
						|
  $description = $variables['description'];
 | 
						|
  $upload_validators = $variables['upload_validators'];
 | 
						|
  $cardinality = $variables['cardinality'];
 | 
						|
 | 
						|
  $descriptions = [];
 | 
						|
 | 
						|
  if (!empty($description)) {
 | 
						|
    $descriptions[] = FieldFilteredMarkup::create($description);
 | 
						|
  }
 | 
						|
  if (isset($cardinality)) {
 | 
						|
    if ($cardinality == -1) {
 | 
						|
      $descriptions[] = t('Unlimited number of files can be uploaded to this field.');
 | 
						|
    }
 | 
						|
    else {
 | 
						|
      $descriptions[] = \Drupal::translation()->formatPlural($cardinality, 'One file only.', 'Maximum @count files.');
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  if (isset($upload_validators['FileSizeLimit'])) {
 | 
						|
    $descriptions[] = t('@size limit.', ['@size' => ByteSizeMarkup::create($upload_validators['FileSizeLimit']['fileLimit'])]);
 | 
						|
  }
 | 
						|
 | 
						|
  if (isset($upload_validators['FileExtension'])) {
 | 
						|
    $descriptions[] = t('Allowed types: @extensions.', ['@extensions' => $upload_validators['FileExtension']['extensions']]);
 | 
						|
  }
 | 
						|
 | 
						|
  if (isset($upload_validators['FileImageDimensions'])) {
 | 
						|
    $max = $upload_validators['FileImageDimensions']['maxDimensions'];
 | 
						|
    $min = $upload_validators['FileImageDimensions']['minDimensions'];
 | 
						|
    if ($min && $max && $min == $max) {
 | 
						|
      $descriptions[] = t('Images must be exactly <strong>@size</strong> pixels.', ['@size' => $max]);
 | 
						|
    }
 | 
						|
    elseif ($min && $max) {
 | 
						|
      $descriptions[] = t('Images must be larger than <strong>@min</strong> pixels. Images larger than <strong>@max</strong> pixels will be resized.', [
 | 
						|
        '@min' => $min,
 | 
						|
        '@max' => $max,
 | 
						|
      ]);
 | 
						|
    }
 | 
						|
    elseif ($min) {
 | 
						|
      $descriptions[] = t('Images must be larger than <strong>@min</strong> pixels.', ['@min' => $min]);
 | 
						|
    }
 | 
						|
    elseif ($max) {
 | 
						|
      $descriptions[] = t('Images larger than <strong>@max</strong> pixels will be resized.', ['@max' => $max]);
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  $variables['descriptions'] = $descriptions;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * Retrieves a list of references to a file.
 | 
						|
 *
 | 
						|
 * @param \Drupal\file\FileInterface $file
 | 
						|
 *   A file entity.
 | 
						|
 * @param \Drupal\Core\Field\FieldDefinitionInterface|null $field
 | 
						|
 *   (optional) A field definition to be used for this check. If given,
 | 
						|
 *   limits the reference check to the given field. Defaults to NULL.
 | 
						|
 * @param int $age
 | 
						|
 *   (optional) A constant that specifies which references to count. Use
 | 
						|
 *   EntityStorageInterface::FIELD_LOAD_REVISION (the default) to retrieve all
 | 
						|
 *   references within all revisions or
 | 
						|
 *   EntityStorageInterface::FIELD_LOAD_CURRENT to retrieve references only in
 | 
						|
 *   the current revisions of all entities that have references to this file.
 | 
						|
 * @param string $field_type
 | 
						|
 *   (optional) The name of a field type. If given, limits the reference check
 | 
						|
 *   to fields of the given type. If both $field and $field_type are given but
 | 
						|
 *   $field is not the same type as $field_type, an empty array will be
 | 
						|
 *   returned. Defaults to 'file'.
 | 
						|
 *
 | 
						|
 * @return array
 | 
						|
 *   A multidimensional array. The keys are field_name, entity_type,
 | 
						|
 *   entity_id and the value is an entity referencing this file.
 | 
						|
 *
 | 
						|
 * @ingroup file
 | 
						|
 */
 | 
						|
function file_get_file_references(FileInterface $file, ?FieldDefinitionInterface $field = NULL, $age = EntityStorageInterface::FIELD_LOAD_REVISION, $field_type = 'file') {
 | 
						|
  $references = &drupal_static(__FUNCTION__, []);
 | 
						|
  $field_columns = &drupal_static(__FUNCTION__ . ':field_columns', []);
 | 
						|
 | 
						|
  // Fill the static cache, disregard $field and $field_type for now.
 | 
						|
  if (!isset($references[$file->id()][$age])) {
 | 
						|
    $references[$file->id()][$age] = [];
 | 
						|
    $usage_list = \Drupal::service('file.usage')->listUsage($file);
 | 
						|
    $file_usage_list = $usage_list['file'] ?? [];
 | 
						|
    foreach ($file_usage_list as $entity_type_id => $entity_ids) {
 | 
						|
      $entities = \Drupal::entityTypeManager()
 | 
						|
        ->getStorage($entity_type_id)->loadMultiple(array_keys($entity_ids));
 | 
						|
      foreach ($entities as $entity) {
 | 
						|
        $bundle = $entity->bundle();
 | 
						|
        // We need to find file fields for this entity type and bundle.
 | 
						|
        if (!isset($file_fields[$entity_type_id][$bundle])) {
 | 
						|
          $file_fields[$entity_type_id][$bundle] = [];
 | 
						|
          // This contains the possible field names.
 | 
						|
          foreach ($entity->getFieldDefinitions() as $field_name => $field_definition) {
 | 
						|
            // If this is the first time this field type is seen, check
 | 
						|
            // whether it references files.
 | 
						|
            if (!isset($field_columns[$field_definition->getType()])) {
 | 
						|
              $field_columns[$field_definition->getType()] = file_field_find_file_reference_column($field_definition);
 | 
						|
            }
 | 
						|
            // If the field type does reference files then record it.
 | 
						|
            if ($field_columns[$field_definition->getType()]) {
 | 
						|
              $file_fields[$entity_type_id][$bundle][$field_name] = $field_columns[$field_definition->getType()];
 | 
						|
            }
 | 
						|
          }
 | 
						|
        }
 | 
						|
        foreach ($file_fields[$entity_type_id][$bundle] as $field_name => $field_column) {
 | 
						|
          // Iterate over the field items to find the referenced file and field
 | 
						|
          // name. This will fail if the usage checked is in a non-current
 | 
						|
          // revision because field items are from the current
 | 
						|
          // revision.
 | 
						|
          // We also iterate over all translations because a file can be linked
 | 
						|
          // to a language other than the default.
 | 
						|
          foreach ($entity->getTranslationLanguages() as $langcode => $language) {
 | 
						|
            foreach ($entity->getTranslation($langcode)->get($field_name) as $item) {
 | 
						|
              if ($file->id() == $item->{$field_column}) {
 | 
						|
                $references[$file->id()][$age][$field_name][$entity_type_id][$entity->id()] = $entity;
 | 
						|
                break;
 | 
						|
              }
 | 
						|
            }
 | 
						|
          }
 | 
						|
        }
 | 
						|
      }
 | 
						|
    }
 | 
						|
  }
 | 
						|
  $return = $references[$file->id()][$age];
 | 
						|
  // Filter the static cache down to the requested entries. The usual static
 | 
						|
  // cache is very small so this will be very fast.
 | 
						|
  $entity_field_manager = \Drupal::service('entity_field.manager');
 | 
						|
  if ($field || $field_type) {
 | 
						|
    foreach ($return as $field_name => $data) {
 | 
						|
      foreach (array_keys($data) as $entity_type_id) {
 | 
						|
        $field_storage_definitions = $entity_field_manager->getFieldStorageDefinitions($entity_type_id);
 | 
						|
        $current_field = $field_storage_definitions[$field_name];
 | 
						|
        if (($field_type && $current_field->getType() != $field_type) || ($field && $field->uuid() != $current_field->uuid())) {
 | 
						|
          unset($return[$field_name][$entity_type_id]);
 | 
						|
        }
 | 
						|
      }
 | 
						|
    }
 | 
						|
  }
 | 
						|
  return $return;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * Determine whether a field references files stored in {file_managed}.
 | 
						|
 *
 | 
						|
 * @param \Drupal\Core\Field\FieldDefinitionInterface $field
 | 
						|
 *   A field definition.
 | 
						|
 *
 | 
						|
 * @return bool
 | 
						|
 *   The field column if the field references {file_managed}.fid, typically
 | 
						|
 *   fid, FALSE if it does not.
 | 
						|
 */
 | 
						|
function file_field_find_file_reference_column(FieldDefinitionInterface $field) {
 | 
						|
  $schema = $field->getFieldStorageDefinition()->getSchema();
 | 
						|
  foreach ($schema['foreign keys'] as $data) {
 | 
						|
    if ($data['table'] == 'file_managed') {
 | 
						|
      foreach ($data['columns'] as $field_column => $column) {
 | 
						|
        if ($column == 'fid') {
 | 
						|
          return $field_column;
 | 
						|
        }
 | 
						|
      }
 | 
						|
    }
 | 
						|
  }
 | 
						|
  return FALSE;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * Form submission handler for file system settings form.
 | 
						|
 */
 | 
						|
function file_system_settings_submit(array &$form, FormStateInterface $form_state): void {
 | 
						|
  $config = \Drupal::configFactory()->getEditable('file.settings')
 | 
						|
    ->set('filename_sanitization', $form_state->getValue('filename_sanitization'));
 | 
						|
  $config->save();
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * Implements hook_ENTITY_TYPE_presave().
 | 
						|
 */
 | 
						|
function file_file_video_presave(FileVideoFormatter $formatter): void {
 | 
						|
  if ($formatter->getSetting('playsinline') === NULL) {
 | 
						|
    $formatter->setSetting('playsinline', FALSE);
 | 
						|
  }
 | 
						|
}
 |