Local.php

<?php

/**
 * @file
 * Definition of Drupal\Core\FileTransfer\Local.
 */
namespace Drupal\Core\FileTransfer;

use RecursiveIteratorIterator;
use RecursiveDirectoryIterator;

/**
 * Defines the local connection class for copying files as the httpd user.
 */
class Local extends FileTransfer implements ChmodInterface {

  /**
   * Implements Drupal\Core\FileTransfer\FileTransfer::connect().
   */
  function connect() {

    // No-op
  }

  /**
   * Overrides Drupal\Core\FileTransfer\FileTransfer::factory().
   */
  static function factory($jail, $settings) {
    return new Local($jail);
  }

  /**
   * Implements Drupal\Core\FileTransfer\FileTransfer::copyFileJailed().
   */
  protected function copyFileJailed($source, $destination) {
    if (@(!copy($source, $destination))) {
      throw new FileTransferException('Cannot copy %source to %destination.', NULL, array(
        '%source' => $source,
        '%destination' => $destination,
      ));
    }
  }

  /**
   * Implements Drupal\Core\FileTransfer\FileTransfer::createDirectoryJailed().
   */
  protected function createDirectoryJailed($directory) {
    if (!is_dir($directory) && @(!mkdir($directory, 0777, TRUE))) {
      throw new FileTransferException('Cannot create directory %directory.', NULL, array(
        '%directory' => $directory,
      ));
    }
  }

  /**
   * Implements Drupal\Core\FileTransfer\FileTransfer::removeDirectoryJailed().
   */
  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' => $directory,
      ));
    }
    foreach (new RecursiveIteratorIterator(new RecursiveDirectoryIterator($directory, RecursiveDirectoryIterator::SKIP_DOTS), 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,
      ));
    }
  }

  /**
   * Implements Drupal\Core\FileTransfer\FileTransfer::removeFileJailed().
   */
  protected function removeFileJailed($file) {
    if (@(!drupal_unlink($file))) {
      throw new FileTransferException('Cannot remove file %file.', NULL, array(
        '%file' => $file,
      ));
    }
  }

  /**
   * Implements Drupal\Core\FileTransfer\FileTransfer::isDirectory().
   */
  public function isDirectory($path) {
    return is_dir($path);
  }

  /**
   * Implements Drupal\Core\FileTransfer\FileTransfer::isFile().
   */
  public function isFile($path) {
    return is_file($path);
  }

  /**
   * Implements Drupal\Core\FileTransfer\ChmodInterface::chmodJailed().
   */
  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.', NULL, array(
            '%path' => $filename,
          ));
        }
      }
    }
    elseif (@(!chmod($path, $mode))) {
      throw new FileTransferException('Cannot chmod %path.', NULL, array(
        '%path' => $path,
      ));
    }
  }

}