function FileTestHooks::fileUrlAlter

Implements hook_file_url_alter().

Attributes

File

core/modules/file/tests/file_test/src/Hook/FileTestHooks.php, line 90

Class

FileTestHooks

Hook implementations for file_test.

Namespace

Code

public function fileUrlAlter(&$uri) : void {
  /** @var \Drupal\Core\StreamWrapper\StreamWrapperManagerInterface $stream_wrapper_manager */
  $stream_wrapper_manager = \Drupal::service('stream_wrapper_manager');
  // Only run this hook when this variable is set. Otherwise, we'd have to add
  // another hidden test module just for this hook.
  $alter_mode = \Drupal::state()->get('file_test.hook_file_url_alter');
  if (!$alter_mode) {
    return;
  }
  elseif ($alter_mode == 'cdn') {
    $cdn_extensions = [
      'css',
      'js',
      'gif',
      'jpg',
      'jpeg',
      'png',
    ];
    // Most CDNs don't support private file transfers without a lot of hassle,
    // so don't support this in the common case.
    $schemes = [
      'public',
    ];
    $scheme = $stream_wrapper_manager::getScheme($uri);
    // Only serve shipped files and public created files from the CDN.
    if (!$scheme || in_array($scheme, $schemes)) {
      // Shipped files.
      if (!$scheme) {
        $path = $uri;
      }
      else {
        $wrapper = $stream_wrapper_manager->getViaScheme($scheme);
        $path = $wrapper->getDirectoryPath() . '/' . $stream_wrapper_manager::getTarget($uri);
      }
      // Clean up Windows paths.
      $path = str_replace('\\', '/', $path);
      // Serve files with one of the CDN extensions from CDN 1, all others
      // from CDN 2.
      $pathinfo = pathinfo($path);
      if (array_key_exists('extension', $pathinfo) && in_array($pathinfo['extension'], $cdn_extensions)) {
        $uri = FileTestCdn::First->value . '/' . $path;
      }
      else {
        $uri = FileTestCdn::Second->value . '/' . $path;
      }
    }
  }
  elseif ($alter_mode == 'root-relative') {
    // Only serve shipped files and public created files with root-relative
    // URLs.
    $scheme = $stream_wrapper_manager::getScheme($uri);
    if (!$scheme || $scheme == 'public') {
      // Shipped files.
      if (!$scheme) {
        $path = $uri;
      }
      else {
        $wrapper = $stream_wrapper_manager->getViaScheme($scheme);
        $path = $wrapper->getDirectoryPath() . '/' . $stream_wrapper_manager::getTarget($uri);
      }
      // Clean up Windows paths.
      $path = str_replace('\\', '/', $path);
      // Generate a root-relative URL.
      $uri = base_path() . '/' . $path;
    }
  }
  elseif ($alter_mode == 'protocol-relative') {
    // Only serve shipped files and public created files with
    // protocol-relative URLs.
    $scheme = $stream_wrapper_manager::getScheme($uri);
    if (!$scheme || $scheme == 'public') {
      // Shipped files.
      if (!$scheme) {
        $path = $uri;
      }
      else {
        $wrapper = $stream_wrapper_manager->getViaScheme($scheme);
        $path = $wrapper->getDirectoryPath() . '/' . $stream_wrapper_manager::getTarget($uri);
      }
      // Clean up Windows paths.
      $path = str_replace('\\', '/', $path);
      // Generate a protocol-relative URL.
      $uri = '/' . base_path() . '/' . $path;
    }
  }
}