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<?php
/**
* The SSH connection class for the update module.
*/
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;
}
}
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