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<?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)); } }