function system_check_directory in Drupal 8

Same name and namespace in other branches

1. 4 modules/system.module \system_check_directory()
2. 5 modules/system/system.module \system_check_directory()
3. 6 modules/system/system.module \system_check_directory()
4. 7 modules/system/system.module \system_check_directory()
5. 9 core/modules/system/system.module \system_check_directory()
6. 10 core/modules/system/system.module \system_check_directory()

Checks the existence of the directory specified in $form_element.

This function is called from the system_settings form to check all core file directories (file_public_path, file_private_path, file_temporary_path).

Parameters

$form_element: The form element containing the name of the directory to check.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

1 string reference to 'system_check_directory'

locale_form_system_file_system_settings_alter in core/modules/locale/locale.module

Implements hook_form_FORM_ID_alter() for system_file_system_settings().

File

core/modules/system/system.module, line 886

Configuration system that lets administrators modify the workings of the site.

Code

function system_check_directory($form_element, FormStateInterface $form_state) {
  $directory = $form_element['#value'];
  if (strlen($directory) == 0) {
    return $form_element;
  }
  $logger = \Drupal::logger('file system');

  /** @var \Drupal\Core\File\FileSystemInterface $file_system */
  $file_system = \Drupal::service('file_system');
  if (!is_dir($directory) && !$file_system
    ->mkdir($directory, NULL, TRUE)) {

    // If the directory does not exist and cannot be created.
    $form_state
      ->setErrorByName($form_element['#parents'][0], t('The directory %directory does not exist and could not be created.', [
      '%directory' => $directory,
    ]));
    $logger
      ->error('The directory %directory does not exist and could not be created.', [
      '%directory' => $directory,
    ]);
  }
  if (is_dir($directory) && !is_writable($directory) && !$file_system
    ->chmod($directory)) {

    // If the directory is not writable and cannot be made so.
    $form_state
      ->setErrorByName($form_element['#parents'][0], t('The directory %directory exists but is not writable and could not be made writable.', [
      '%directory' => $directory,
    ]));
    $logger
      ->error('The directory %directory exists but is not writable and could not be made writable.', [
      '%directory' => $directory,
    ]);
  }
  elseif (is_dir($directory)) {
    if ($form_element['#name'] == 'file_public_path') {

      // Create public .htaccess file.
      FileSecurity::writeHtaccess($directory, FALSE);
    }
    else {

      // Create private .htaccess file.
      FileSecurity::writeHtaccess($directory);
    }
  }
  return $form_element;
}