function locale_translation_http_check in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/locale/locale.batch.inc \locale_translation_http_check()

Check if remote file exists and when it was last updated.

Parameters

string $uri: URI of remote file.

Return value

array|bool Associative array of file data with the following elements:

• last_modified: Last modified timestamp of the translation file.
• (optional) location: The location of the translation file. Is only set when a redirect (301) has occurred.

TRUE if the file is not found. FALSE if a fault occurred.

1 call to locale_translation_http_check()

locale_translation_batch_status_check in core/modules/locale/locale.batch.inc

Implements callback_batch_operation().

File

core/modules/locale/locale.batch.inc, line 239

Batch process to check the availability of remote or local po files.

Code

function locale_translation_http_check($uri) {
  $logger = \Drupal::logger('locale');
  try {
    $actual_uri = NULL;
    $response = \Drupal::service('http_client_factory')
      ->fromOptions([
      'allow_redirects' => [
        'on_redirect' => function (RequestInterface $request, ResponseInterface $response, UriInterface $request_uri) use (&$actual_uri) {
          $actual_uri = (string) $request_uri;
        },
      ],
    ])
      ->head($uri);
    $result = [];

    // Return the effective URL if it differs from the requested.
    if ($actual_uri && $actual_uri !== $uri) {
      $result['location'] = $actual_uri;
    }
    $result['last_modified'] = $response
      ->hasHeader('Last-Modified') ? strtotime($response
      ->getHeaderLine('Last-Modified')) : 0;
    return $result;
  } catch (RequestException $e) {

    // Handle 4xx and 5xx http responses.
    if ($response = $e
      ->getResponse()) {
      if ($response
        ->getStatusCode() == 404) {

        // File not found occurs when a translation file is not yet available
        // at the translation server. But also if a custom module or custom
        // theme does not define the location of a translation file. By default
        // the file is checked at the translation server, but it will not be
        // found there.
        $logger
          ->notice('Translation file not found: @uri.', [
          '@uri' => $uri,
        ]);
        return TRUE;
      }
      $logger
        ->notice('HTTP request to @url failed with error: @error.', [
        '@url' => $uri,
        '@error' => $response
          ->getStatusCode() . ' ' . $response
          ->getReasonPhrase(),
      ]);
    }
  }
  return FALSE;
}