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