<?php

/**

 * The local connection class for copying files as the httpd user.

 */

class FileTransferLocal extends FileTransfer implements FileTransferChmodInterface {

  function connect() {

    // No-op

  }

  static function factory($jail, $settings) {

    return new FileTransferLocal($jail);

  }

  protected function copyFileJailed($source, $destination) {

    if (@!copy($source, $destination)) {

      throw new FileTransferException('Cannot copy %source to %destination.', NULL, array('%source' => $source, '%destination' => $destination));

    }

  }

  protected function createDirectoryJailed($directory) {

    if (!is_dir($directory) && @!mkdir($directory, 0777, TRUE)) {

      throw new FileTransferException('Cannot create directory %directory.', NULL, array('%directory' => $directory));

    }

  }

  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.', NULL, array('%directory' => $directory));

    }

    foreach (new RecursiveIteratorIterator(new SkipDotsRecursiveDirectoryIterator($directory), RecursiveIteratorIterator::CHILD_FIRST) as $filename => $file) {

      if ($file->isDir()) {

        if (@!drupal_rmdir($filename)) {

          throw new FileTransferException('Cannot remove directory %directory.', NULL, array('%directory' => $filename));

        }

      }

      elseif ($file->isFile()) {

        if (@!drupal_unlink($filename)) {

          throw new FileTransferException('Cannot remove file %file.', NULL, array('%file' => $filename));

        }

      }

    }

    if (@!drupal_rmdir($directory)) {

      throw new FileTransferException('Cannot remove directory %directory.', NULL, array('%directory' => $directory));

    }

  }

  protected function removeFileJailed($file) {

    if (@!drupal_unlink($file)) {

      throw new FileTransferException('Cannot remove file %file.', NULL, array('%file' => $file));

    }

  }

  public function isDirectory($path) {

    return is_dir($path);

  }

  public function isFile($path) {

    return is_file($path);

  }

  public function chmodJailed($path, $mode, $recursive) {

    if ($recursive && is_dir($path)) {

      foreach (new RecursiveIteratorIterator(new SkipDotsRecursiveDirectoryIterator($path), RecursiveIteratorIterator::SELF_FIRST) as $filename => $file) {

        if (@!chmod($filename, $mode)) {

          throw new FileTransferException('Cannot chmod %path.', NULL, array('%path' => $filename));

        }

      }

    }

    elseif (@!chmod($path, $mode)) {

      throw new FileTransferException('Cannot chmod %path.', NULL, array('%path' => $path));

    }

  }

}