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<?php
// $Id$
/**
* 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));
}
}
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