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<?php
// $Id$
/**
* Connection class using the FTP URL wrapper.
*/
class FileTransferFTPWrapper 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);
}
function connect() {
$this->connection = 'ftp://' . urlencode($this->username) . ':' . urlencode($this->password) . '@' . $this->hostname . ':' . $this->port . '/';
if (!is_dir($this->connection)) {
throw new FileTransferException('FTP Connection failed.');
}
}
static function factory($jail, $settings) {
$settings['hostname'] = empty($settings['hostname']) ? 'localhost' : $settings['hostname'];
$settings['port'] = empty($settings['port']) ? 21 : $settings['port'];
return new FileTransferFTPWrapper($jail, $settings['username'], $settings['password'], $settings['hostname'], $settings['port']);
}
function createDirectoryJailed($directory) {
if (!@drupal_mkdir($this->connection . $directory)) {
$exception = new FileTransferException('Cannot create directory @directory.', NULL, array('@directory' => $directory));
throw $exception;
}
}
function removeDirectoryJailed($directory) {
if (is_dir($this->connection . $directory)) {
$dh = opendir($this->connection . $directory);
while (($resource = readdir($dh)) !== FALSE) {
if ($resource == '.' || $resource == '..') {
continue;
}
$full_path = $directory . DIRECTORY_SEPARATOR . $resource;
if (is_file($this->connection . $full_path)) {
$this->removeFile($full_path);
}
elseif (is_dir($this->connection . $full_path)) {
$this->removeDirectory($full_path . '/');
}
}
closedir($dh);
if (!rmdir($this->connection . $directory)) {
$exception = new FileTransferException('Cannot remove @directory.', NULL, array('@directory' => $directory));
throw $exception;
}
}
}
function copyFileJailed($source, $destination) {
if (!@copy($source, $this->connection . '/' . $destination)) {
throw new FileTransferException('Cannot copy @source_file to @destination_file.', NULL, array('@source' => $source, '@destination' => $destination));
}
}
function removeFileJailed($destination) {
if (!@unlink($this->connection . '/' .$destination)) {
throw new FileTransferException('Cannot remove @destination', NULL, array('@destination' => $destination));
}
}
function isDirectory($path) {
return is_dir($this->connection . '/' . $path);
}
public function isFile($path) {
// This is stupid, but is_file and file_exists don't work! always return true.
return @fopen($this->connection . '/' . $path,'r');
}
/**
* This is impossible with the stream wrapper, so an exception is thrown.
*
* If the ftp extenstion is available, we will cheat and use that instead.
*
* @param string $path
* @param long $mode
* @param bool $recursive
*/
function chmodJailed($path, $mode, $recursive) {
if (!function_exists('ftp_connect')) {
throw new FileTransferException('Unable to set permissions on @path. Change umask settings on server to be world executable.', array('@path' => $path));
}
static $ftp_ext_file_transfer;
if (!$ftp_ext_file_transfer) {
$ftp_ext_file_transfer = new FileTransferFTPExtension($this->jail, $this->username, $this->password, $this->hostname, $this->port);
}
$ftp_ext_file_transfer->chmodJailed($path, $mode, $recursive);
}
}
class FileTransferFTPExtension extends FileTransfer {
public function __construct($jail, $username, $password, $hostname, $port) {
$this->username = $username;
$this->password = $password;
$this->hostname = $hostname;
$this->port = $port;
parent::__construct($jail);
}
public function connect() {
$this->connection = ftp_connect($this->hostname, $this->port);
if (!$this->connection) {
throw new FileTransferException("Cannot connect to FTP Server, please check settings");
}
if (!ftp_login($this->connection, $this->username, $this->password)) {
throw new FileTransferException("Cannot login to FTP server, please check username and password");
}
}
/**
* Returns a copy of itself using common defaults.
*
* @param string $jail
* @param array $settings
* @return FileTransferFTPExtension
*/
static function factory($jail, $settings) {
$settings['hostname'] = empty($settings['hostname']) ? 'localhost' : $settings['hostname'];
$settings['port'] = empty($settings['port']) ? 21 : $settings['port'];
return new FileTransferFTPExtension($jail, $settings['username'], $settings['password'], $settings['hostname'], $settings['port']);
}
protected function copyFileJailed($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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