You are here

Home » API reference » Drupal 7 » ssh.inc

class FileTransferSSH in Drupal 7

The SSH connection class for the update module.

Hierarchy

Expanded class hierarchy of FileTransferSSH

1 string reference to 'FileTransferSSH'
system_filetransfer_info in modules/system/system.module
Implements hook_filetransfer_info().

File

includes/filetransfer/ssh.inc, line 6

View source 
class FileTransferSSH extends FileTransfer implements FileTransferChmodInterface {
  function __construct($jail, $username, $password, $hostname = "localhost", $port = 22) {
    $this->username = $username;
    $this->password = $password;
    $this->hostname = $hostname;
    $this->port = $port;
    parent::__construct($jail);
  }
  function connect() {
    $this->connection = @ssh2_connect($this->hostname, $this->port);
    if (!$this->connection) {
      throw new FileTransferException('SSH Connection failed to @host:@port', NULL, array(
        '@host' => $this->hostname,
        '@port' => $this->port,
      ));
    }
    if (!@ssh2_auth_password($this->connection, $this->username, $this->password)) {
      throw new FileTransferException('The supplied username/password combination was not accepted.');
    }
  }
  static function factory($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']) ? 22 : $settings['advanced']['port'];
    return new FileTransferSSH($jail, $username, $password, $hostname, $port);
  }
  protected function copyFileJailed($source, $destination) {
    if (!@ssh2_scp_send($this->connection, $source, $destination)) {
      throw new FileTransferException('Cannot copy @source_file to @destination_file.', NULL, array(
        '@source' => $source,
        '@destination' => $destination,
      ));
    }
  }
  protected function copyDirectoryJailed($source, $destination) {
    if (@(!ssh2_exec($this->connection, 'cp -Rp ' . escapeshellarg($source) . ' ' . escapeshellarg($destination)))) {
      throw new FileTransferException('Cannot copy directory @directory.', NULL, array(
        '@directory' => $source,
      ));
    }
  }
  protected function createDirectoryJailed($directory) {
    if (@(!ssh2_exec($this->connection, 'mkdir ' . escapeshellarg($directory)))) {
      throw new FileTransferException('Cannot create directory @directory.', NULL, array(
        '@directory' => $directory,
      ));
    }
  }
  protected function removeDirectoryJailed($directory) {
    if (@(!ssh2_exec($this->connection, 'rm -Rf ' . escapeshellarg($directory)))) {
      throw new FileTransferException('Cannot remove @directory.', NULL, array(
        '@directory' => $directory,
      ));
    }
  }
  protected function removeFileJailed($destination) {
    if (!@ssh2_exec($this->connection, 'rm ' . escapeshellarg($destination))) {
      throw new FileTransferException('Cannot remove @directory.', NULL, array(
        '@directory' => $destination,
      ));
    }
  }

  /**
   * WARNING: This is untested.  It is not currently used, but should do the trick.
   */
  public function isDirectory($path) {
    $directory = escapeshellarg($path);
    $cmd = "[ -d {$directory} ] && echo 'yes'";
    if ($output = @ssh2_exec($this->connection, $cmd)) {
      if ($output == 'yes') {
        return TRUE;
      }
      return FALSE;
    }
    else {
      throw new FileTransferException('Cannot check @path.', NULL, array(
        '@path' => $path,
      ));
    }
  }
  public function isFile($path) {
    $file = escapeshellarg($path);
    $cmd = "[ -f {$file} ] && echo 'yes'";
    if ($output = @ssh2_exec($this->connection, $cmd)) {
      if ($output == 'yes') {
        return TRUE;
      }
      return FALSE;
    }
    else {
      throw new FileTransferException('Cannot check @path.', NULL, array(
        '@path' => $path,
      ));
    }
  }
  function chmodJailed($path, $mode, $recursive) {
    $cmd = sprintf("chmod %s%o %s", $recursive ? '-R ' : '', $mode, escapeshellarg($path));
    if (@(!ssh2_exec($this->connection, $cmd))) {
      throw new FileTransferException('Cannot change permissions of @path.', NULL, array(
        '@path' => $path,
      ));
    }
  }

  /**
   * Returns the form to configure the FileTransfer class for SSH.
   */
  public function getSettingsForm() {
    $form = parent::getSettingsForm();
    $form['advanced']['port']['#default_value'] = 22;
    return $form;
  }

}

Members

Namesort descending Modifiers Type Description Overrides
FileTransfer::$hostname protected property
FileTransfer::$password protected property 1
FileTransfer::$port protected property 1
FileTransfer::$username protected property 1
FileTransfer::checkPath final protected function Checks that the path is inside the jail and throws an exception if not.
FileTransfer::chmod final public function
FileTransfer::copyDirectory final public function Copies a directory.
FileTransfer::copyFile final public function Copies a file.
FileTransfer::createDirectory final public function Creates a directory.
FileTransfer::findChroot function Return the chroot property for this connection.
FileTransfer::fixRemotePath final protected function Returns a modified path suitable for passing to the server. If a path is a windows path, makes it POSIX compliant by removing the drive letter. If $this->chroot has a value, it is stripped from the path to allow for chroot'd filetransfer systems.
FileTransfer::removeDirectory final public function Removes a directory.
FileTransfer::removeFile final public function Removes a file.
FileTransfer::sanitizePath function Changes backslashes to slashes, also removes a trailing slash.
FileTransfer::setChroot function Sets the chroot and changes the jail to match the correct path scheme
FileTransfer::__get function Implementation of the magic __get() method.
FileTransferSSH::chmodJailed function Changes the permissions of the file / directory specified in $path Overrides FileTransferChmodInterface::chmodJailed
FileTransferSSH::connect function Connect to the server. Overrides FileTransfer::connect
FileTransferSSH::copyDirectoryJailed protected function Copies a directory. Overrides FileTransfer::copyDirectoryJailed
FileTransferSSH::copyFileJailed protected function Copies a file. Overrides FileTransfer::copyFileJailed
FileTransferSSH::createDirectoryJailed protected function Creates a directory. Overrides FileTransfer::createDirectoryJailed
FileTransferSSH::factory static function Classes that extend this class must override the factory() static method. Overrides FileTransfer::factory
FileTransferSSH::getSettingsForm public function Returns the form to configure the FileTransfer class for SSH. Overrides FileTransfer::getSettingsForm
FileTransferSSH::isDirectory public function WARNING: This is untested. It is not currently used, but should do the trick. Overrides FileTransfer::isDirectory
FileTransferSSH::isFile public function Checks if a particular path is a file (not a directory). Overrides FileTransfer::isFile
FileTransferSSH::removeDirectoryJailed protected function Removes a directory. Overrides FileTransfer::removeDirectoryJailed
FileTransferSSH::removeFileJailed protected function Removes a file. Overrides FileTransfer::removeFileJailed
FileTransferSSH::__construct function The constructor for the UpdateConnection class. This method is also called from the classes that extend this class and override this method. Overrides FileTransfer::__construct