88 lines
2.4 KiB
PHP
88 lines
2.4 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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/**
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* User authentication against an IMAP mail 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 OC_User_IMAP extends \OCA\user_external\Base {
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private $mailbox;
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private $domain;
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/**
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* Create new IMAP authentication provider
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*
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* @param string $mailbox PHP imap_open mailbox definition, e.g.
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* {127.0.0.1:143/imap/readonly}
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* @param string $domain If provided, loging will be restricted to this domain
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*/
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public function __construct($mailbox, $domain = '') {
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parent::__construct($mailbox);
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$this->mailbox=$mailbox;
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$this->domain=$domain;
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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, $password) {
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if (!function_exists('imap_open')) {
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OC::$server->getLogger()->error('ERROR: PHP imap extension is not installed', ['app' => 'user_external']);
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return false;
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}
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// Replace escaped @ symbol in uid (which is a mail address)
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// but only if there is no @ symbol and if there is a %40 inside the uid
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if (!(strpos($uid, '@') !== false) && (strpos($uid, '%40') !== false)) {
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$uid = str_replace("%40","@",$uid);
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}
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if ($this->domain !== '') {
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$pieces = explode('@', $uid);
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if (count($pieces) === 1) {
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$username = $uid . '@' . $this->domain;
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} else if(count($pieces) === 2 && $pieces[1] === $this->domain) {
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$username = $uid;
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$uid = $pieces[0];
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} else {
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return false;
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}
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} else {
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$username = $uid;
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}
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$mbox = @imap_open($this->mailbox, $username, $password, OP_HALFOPEN, 1);
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OC::$server->getLogger()->error(
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'ERROR: IMAP Error: ' . print_r(imap_errors(), true),
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['app' => 'user_external']
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);
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OC::$server->getLogger()->warning(
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'WARNING: IMAP Warning: ' . print_r(imap_alerts(), true),
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['app' => 'user_external']
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);
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if($mbox !== false) {
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imap_close($mbox);
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$uid = mb_strtolower($uid);
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$this->storeUser($uid);
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return $uid;
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}
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return false;
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}
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}
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