class Local

class Local extends FileTransfer implements ChmodInterface {
  use DependencySerializationTrait;
  
  /**
   * The file system service.
   *
   * @var \Drupal\Core\File\FileSystemInterface
   */
  protected $fileSystem;
  
  /**
   * {@inheritdoc}
   */
  public function __construct($jail, FileSystemInterface $file_system) {
    parent::__construct($jail);
    $this->fileSystem = $file_system;
  }
  
  /**
   * {@inheritdoc}
   */
  public function connect() {
    // No-op
  }
  
  /**
   * {@inheritdoc}
   */
  public static function factory($jail, $settings) {
    return new Local($jail, \Drupal::service('file_system'));
  }
  
  /**
   * {@inheritdoc}
   */
  protected function copyFileJailed($source, $destination) {
    if (@(!copy($source, $destination))) {
      throw new FileTransferException('Cannot copy %source to %destination.', 0, [
        '%source' => $source,
        '%destination' => $destination,
      ]);
    }
  }
  
  /**
   * {@inheritdoc}
   */
  protected function createDirectoryJailed($directory) {
    if (!is_dir($directory) && @(!mkdir($directory, 0777, TRUE))) {
      throw new FileTransferException('Cannot create directory %directory.', 0, [
        '%directory' => $directory,
      ]);
    }
  }
  
  /**
   * {@inheritdoc}
   */
  protected function removeDirectoryJailed($directory) {
    if (!is_dir($directory)) {
      // Programmer error assertion, not something we expect users to see.
      throw new FileTransferException('removeDirectoryJailed() called with a path (%directory) that is not a directory.', 0, [
        '%directory' => $directory,
      ]);
    }
    /** @var \Drupal\Core\File\FileSystemInterface $file_system */
    $file_system = \Drupal::service('file_system');
    foreach (new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($directory, \RecursiveDirectoryIterator::SKIP_DOTS), \RecursiveIteratorIterator::CHILD_FIRST) as $filename => $file) {
      if ($file->isDir()) {
        if (@(!$file_system->rmdir($filename))) {
          throw new FileTransferException('Cannot remove directory %directory.', 0, [
            '%directory' => $filename,
          ]);
        }
      }
      elseif ($file->isFile()) {
        if (@(!$this->fileSystem
          ->unlink($filename))) {
          throw new FileTransferException('Cannot remove file %file.', 0, [
            '%file' => $filename,
          ]);
        }
      }
    }
    if (@(!$file_system->rmdir($directory))) {
      throw new FileTransferException('Cannot remove directory %directory.', 0, [
        '%directory' => $directory,
      ]);
    }
  }
  
  /**
   * {@inheritdoc}
   */
  protected function removeFileJailed($file) {
    if (@(!$this->fileSystem
      ->unlink($file))) {
      throw new FileTransferException('Cannot remove file %file.', 0, [
        '%file' => $file,
      ]);
    }
  }
  
  /**
   * {@inheritdoc}
   */
  public function isDirectory($path) {
    return is_dir($path);
  }
  
  /**
   * {@inheritdoc}
   */
  public function isFile($path) {
    return is_file($path);
  }
  
  /**
   * {@inheritdoc}
   */
  public function chmodJailed($path, $mode, $recursive) {
    if ($recursive && is_dir($path)) {
      foreach (new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($path, \RecursiveDirectoryIterator::SKIP_DOTS), \RecursiveIteratorIterator::SELF_FIRST) as $filename => $file) {
        if (@(!chmod($filename, $mode))) {
          throw new FileTransferException('Cannot chmod %path.', 0, [
            '%path' => $filename,
          ]);
        }
      }
    }
    elseif (@(!chmod($path, $mode))) {
      throw new FileTransferException('Cannot chmod %path.', 0, [
        '%path' => $path,
      ]);
    }
  }

}