FileOwnership.php in Automatic Updates 8

Namespace

Drupal\automatic_updates\ReadinessChecker

File

src/ReadinessChecker/FileOwnership.php

<?php

namespace Drupal\automatic_updates\ReadinessChecker;


/**
 * File ownership checker.
 */
class FileOwnership extends Filesystem {

  /**
   * {@inheritdoc}
   */
  protected function doCheck() {
    $file_path = $this
      ->getRootPath() . DIRECTORY_SEPARATOR . implode(DIRECTORY_SEPARATOR, [
      'core',
      'core.api.php',
    ]);
    return $this
      ->ownerIsScriptUser($file_path);
  }

  /**
   * Check if file is owned by the same user as which is running the script.
   *
   * Helps identify scenarios when the check is run by web user and the files
   * are owned by a non-web user.
   *
   * @param string $file_path
   *   The file path to check.
   *
   * @return array
   *   An array of translatable strings if there are file ownership issues.
   */
  protected function ownerIsScriptUser($file_path) {
    $messages = [];
    if (function_exists('posix_getuid')) {
      $file_owner_uid = fileowner($file_path);
      $script_uid = posix_getuid();
      if ($file_owner_uid !== $script_uid) {
        $messages[] = $this
          ->t('Files are owned by uid "@owner" but PHP is running as uid "@actual". The file owner and PHP user should be the same during an update.', [
          '@owner' => $file_owner_uid,
          '@file' => $file_path,
          '@actual' => $script_uid,
        ]);
      }
    }
    return $messages;
  }

}

Classes

Name	Description
FileOwnership	File ownership checker.