diff -r 07239de796bb -r e756a8c72c3d cms/drupal/includes/filetransfer/ftp.inc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cms/drupal/includes/filetransfer/ftp.inc	Fri Sep 08 12:04:06 2017 +0200
@@ -0,0 +1,144 @@
+<?php
+
+/**
+ * Base class for FTP implementations.
+ */
+abstract class FileTransferFTP extends FileTransfer {
+
+  public function __construct($jail, $username, $password, $hostname, $port) {
+    $this->username = $username;
+    $this->password = $password;
+    $this->hostname = $hostname;
+    $this->port = $port;
+    parent::__construct($jail);
+  }
+
+  /**
+   * Return an object which can implement the FTP protocol.
+   *
+   * @param string $jail
+   * @param array $settings
+   * @return FileTransferFTP
+   *   The appropriate FileTransferFTP subclass based on the available
+   *   options. If the FTP PHP extension is available, use it.
+   */
+  static function factory($jail, $settings) {
+    $username = empty($settings['username']) ? '' : $settings['username'];
+    $password = empty($settings['password']) ? '' : $settings['password'];
+    $hostname = empty($settings['advanced']['hostname']) ? 'localhost' : $settings['advanced']['hostname'];
+    $port = empty($settings['advanced']['port']) ? 21 : $settings['advanced']['port'];
+
+    if (function_exists('ftp_connect')) {
+      $class = 'FileTransferFTPExtension';
+    }
+    else {
+      throw new FileTransferException('No FTP backend available.');
+    }
+
+    return new $class($jail, $username, $password, $hostname, $port);
+  }
+
+  /**
+   * Returns the form to configure the FileTransfer class for FTP.
+   */
+  public function getSettingsForm() {
+    $form = parent::getSettingsForm();
+    $form['advanced']['port']['#default_value'] = 21;
+    return $form;
+  }
+}
+
+class FileTransferFTPExtension extends FileTransferFTP implements FileTransferChmodInterface {
+
+  public function connect() {
+    $this->connection = ftp_connect($this->hostname, $this->port);
+
+    if (!$this->connection) {
+      throw new FileTransferException("Cannot connect to FTP Server, check settings");
+    }
+    if (!ftp_login($this->connection, $this->username, $this->password)) {
+      throw new FileTransferException("Cannot log in to FTP server. Check username and password");
+    }
+  }
+
+  protected function copyFileJailed($source, $destination) {
+    if (!@ftp_put($this->connection,  $destination, $source, FTP_BINARY)) {
+      throw new FileTransferException("Cannot move @source to @destination", NULL, array("@source" => $source, "@destination" => $destination));
+    }
+  }
+
+  protected function createDirectoryJailed($directory) {
+    if (!ftp_mkdir($this->connection, $directory)) {
+      throw new FileTransferException("Cannot create directory @directory", NULL, array("@directory" => $directory));
+    }
+  }
+
+  protected function removeDirectoryJailed($directory) {
+    $pwd = ftp_pwd($this->connection);
+    if (!ftp_chdir($this->connection, $directory)) {
+      throw new FileTransferException("Unable to change to directory @directory", NULL, array('@directory' => $directory));
+    }
+    $list = @ftp_nlist($this->connection, '.');
+    if (!$list) {
+      $list = array();
+    }
+    foreach ($list as $item) {
+      if ($item == '.' || $item == '..') {
+        continue;
+      }
+      if (@ftp_chdir($this->connection, $item)) {
+        ftp_cdup($this->connection);
+        $this->removeDirectory(ftp_pwd($this->connection) . '/' . $item);
+      }
+      else {
+        $this->removeFile(ftp_pwd($this->connection) . '/' . $item);
+      }
+    }
+    ftp_chdir($this->connection, $pwd);
+    if (!ftp_rmdir($this->connection, $directory)) {
+      throw new FileTransferException("Unable to remove to directory @directory", NULL, array('@directory' => $directory));
+    }
+  }
+
+  protected function removeFileJailed($destination) {
+    if (!ftp_delete($this->connection, $destination)) {
+      throw new FileTransferException("Unable to remove to file @file", NULL, array('@file' => $destination));
+    }
+  }
+
+  public function isDirectory($path) {
+    $result = FALSE;
+    $curr = ftp_pwd($this->connection);
+    if (@ftp_chdir($this->connection, $path)) {
+      $result = TRUE;
+    }
+    ftp_chdir($this->connection, $curr);
+    return $result;
+  }
+
+  public function isFile($path) {
+    return ftp_size($this->connection, $path) != -1;
+  }
+
+  function chmodJailed($path, $mode, $recursive) {
+    if (!ftp_chmod($this->connection, $mode, $path)) {
+      throw new FileTransferException("Unable to set permissions on %file", NULL, array('%file' => $path));
+    }
+    if ($this->isDirectory($path) && $recursive) {
+      $filelist = @ftp_nlist($this->connection, $path);
+      if (!$filelist) {
+        //empty directory - returns false
+        return;
+      }
+      foreach ($filelist as $file) {
+        $this->chmodJailed($file, $mode, $recursive);
+      }
+    }
+  }
+}
+
+if (!function_exists('ftp_chmod')) {
+  function ftp_chmod($ftp_stream, $mode, $filename) {
+    return ftp_site($ftp_stream, sprintf('CHMOD %o %s', $mode, $filename));
+  }
+}