ftp.php
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<?php
/**
* Copyright (c) 2012 Robin Appelman <icewind@owncloud.com>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
/**
* User authentication against a FTP/FTPS server
*
* @category Apps
* @package UserExternal
* @author Robin Appelman <icewind@owncloud.com>
* @license http://www.gnu.org/licenses/agpl AGPL
* @link http://github.com/owncloud/apps
*/
class OC_User_FTP extends \OCA\user_external\Base{
private $host;
private $secure;
private $protocol;
/**
* Create new FTP authentication provider
*
* @param string $host Hostname or IP of FTP server
* @param boolean $secure TRUE to enable SSL
*/
public function __construct($host,$secure=false) {
$this->host=$host;
$this->secure=$secure;
$this->protocol='ftp';
if($this->secure) {
$this->protocol.='s';
}
parent::__construct($this->protocol . '://' . $this->host);
}
/**
* Check if the password is correct without logging in the user
*
* @param string $uid The username
* @param string $password The password
*
* @return true/false
*/
public function checkPassword($uid, $password) {
if (false === array_search($this->protocol, stream_get_wrappers())) {
OCP\Util::writeLog(
'user_external',
'ERROR: Stream wrapper not available: ' . $this->protocol, OCP\Util::ERROR
);
return false;
}
// opendir handles the as %-encoded string, but this is not true for usernames and passwords, encode them before passing them
$url = sprintf('%s://%s:%s@%s/', $this->protocol, urlencode($uid), urlencode($password), $this->host);
$result=@opendir($url);
if(is_resource($result)) {
$this->storeUser($uid);
return $uid;
}else{
return false;
}
}
}