function config_file_download in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/config/config.module \config_file_download()
2. 10 core/modules/config/config.module \config_file_download()

Implements hook_file_download().

File

core/modules/config/config.module, line 66

Allows site administrators to modify configuration.

Code

function config_file_download($uri) {
  $scheme = StreamWrapperManager::getScheme($uri);
  $target = StreamWrapperManager::getTarget($uri);
  if ($scheme == 'temporary' && $target == 'config.tar.gz') {
    if (\Drupal::currentUser()
      ->hasPermission('export configuration')) {
      $request = \Drupal::request();
      $date = DateTime::createFromFormat('U', $request->server
        ->get('REQUEST_TIME'));
      $date_string = $date
        ->format('Y-m-d-H-i');
      $hostname = str_replace('.', '-', $request
        ->getHttpHost());
      $filename = 'config-' . $hostname . '-' . $date_string . '.tar.gz';
      $disposition = 'attachment; filename="' . $filename . '"';
      return [
        'Content-disposition' => $disposition,
      ];
    }
    return -1;
  }
}