2013-06-12 00:08:02 +00:00
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<?php
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/**
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2015-03-26 10:44:34 +00:00
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* @author Alexander Bergolth <leo@strike.wu.ac.at>
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* @author Arthur Schiwon <blizzz@owncloud.com>
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* @author Jörn Friedrich Dreyer <jfd@butonic.de>
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* @author Lukas Reschke <lukas@owncloud.com>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin McCorkell <rmccorkell@karoshi.org.uk>
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2013-06-12 00:08:02 +00:00
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*
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2015-03-26 10:44:34 +00:00
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* @copyright Copyright (c) 2015, ownCloud, Inc.
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* @license AGPL-3.0
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2013-06-12 00:08:02 +00:00
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*
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2015-03-26 10:44:34 +00:00
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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2013-06-12 00:08:02 +00:00
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*
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2015-03-26 10:44:34 +00:00
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* This program is distributed in the hope that it will be useful,
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2013-06-12 00:08:02 +00:00
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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2015-03-26 10:44:34 +00:00
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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2013-06-12 00:08:02 +00:00
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*
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2015-03-26 10:44:34 +00:00
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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2013-06-12 00:08:02 +00:00
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*
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*/
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2015-02-26 10:37:37 +00:00
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2013-06-12 00:08:02 +00:00
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namespace OCA\user_ldap\lib;
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2015-04-22 13:22:11 +00:00
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use OC\ServerNotAvailableException;
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2013-08-20 12:23:49 +00:00
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class LDAP implements ILDAPWrapper {
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2013-06-12 00:08:02 +00:00
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protected $curFunc = '';
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protected $curArgs = array();
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2014-05-11 13:17:27 +00:00
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/**
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* @param resource $link
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* @param string $dn
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* @param string $password
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* @return bool|mixed
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*/
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2013-08-20 12:23:49 +00:00
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public function bind($link, $dn, $password) {
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return $this->invokeLDAPMethod('bind', $link, $dn, $password);
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2013-06-12 00:08:02 +00:00
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}
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2014-05-11 13:17:27 +00:00
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/**
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* @param string $host
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* @param string $port
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* @return mixed
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*/
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2013-08-20 12:23:49 +00:00
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public function connect($host, $port) {
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return $this->invokeLDAPMethod('connect', $host, $port);
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}
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2014-05-11 13:17:27 +00:00
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/**
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* @param LDAP $link
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* @param LDAP $result
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2014-05-13 11:29:25 +00:00
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* @param string $cookie
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2014-05-11 13:17:27 +00:00
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* @return bool|LDAP
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*/
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2013-08-20 12:23:49 +00:00
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public function controlPagedResultResponse($link, $result, &$cookie) {
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2013-06-12 00:08:02 +00:00
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$this->preFunctionCall('ldap_control_paged_result_response',
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2013-08-20 12:23:49 +00:00
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array($link, $result, $cookie));
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$result = ldap_control_paged_result_response($link, $result, $cookie);
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2013-06-12 00:08:02 +00:00
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$this->postFunctionCall();
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return $result;
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}
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2014-05-11 13:17:27 +00:00
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/**
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* @param LDAP $link
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* @param int $pageSize
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* @param bool $isCritical
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2014-05-13 11:29:25 +00:00
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* @param string $cookie
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2014-05-11 13:17:27 +00:00
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* @return mixed|true
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*/
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public function controlPagedResult($link, $pageSize, $isCritical, $cookie) {
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return $this->invokeLDAPMethod('control_paged_result', $link, $pageSize,
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2013-08-20 12:23:49 +00:00
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$isCritical, $cookie);
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}
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2014-05-11 13:17:27 +00:00
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/**
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* @param LDAP $link
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* @param LDAP $result
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* @return mixed
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*/
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2013-09-29 21:53:14 +00:00
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public function countEntries($link, $result) {
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return $this->invokeLDAPMethod('count_entries', $link, $result);
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}
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2014-05-11 13:17:27 +00:00
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/**
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* @param LDAP $link
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* @return mixed|string
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*/
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2013-08-20 12:23:49 +00:00
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public function errno($link) {
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return $this->invokeLDAPMethod('errno', $link);
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}
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2014-05-11 13:17:27 +00:00
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/**
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* @param LDAP $link
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* @return int|mixed
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*/
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2013-08-20 12:23:49 +00:00
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public function error($link) {
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return $this->invokeLDAPMethod('error', $link);
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}
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2014-07-01 20:02:41 +00:00
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/**
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* Splits DN into its component parts
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* @param string $dn
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* @param int @withAttrib
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* @return array|false
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* @link http://www.php.net/manual/en/function.ldap-explode-dn.php
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*/
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public function explodeDN($dn, $withAttrib) {
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2014-08-07 10:41:01 +00:00
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return $this->invokeLDAPMethod('explode_dn', $dn, $withAttrib);
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2014-07-01 20:02:41 +00:00
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}
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2014-05-11 13:17:27 +00:00
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/**
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* @param LDAP $link
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* @param LDAP $result
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* @return mixed
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*/
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2013-08-20 12:23:49 +00:00
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public function firstEntry($link, $result) {
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return $this->invokeLDAPMethod('first_entry', $link, $result);
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}
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2014-05-11 13:17:27 +00:00
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/**
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* @param LDAP $link
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* @param LDAP $result
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* @return array|mixed
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*/
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2013-08-20 12:23:49 +00:00
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public function getAttributes($link, $result) {
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return $this->invokeLDAPMethod('get_attributes', $link, $result);
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}
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2014-05-11 13:17:27 +00:00
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/**
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* @param LDAP $link
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* @param LDAP $result
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* @return mixed|string
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*/
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2013-10-04 14:33:37 +00:00
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public function getDN($link, $result) {
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return $this->invokeLDAPMethod('get_dn', $link, $result);
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}
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2014-05-11 13:17:27 +00:00
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/**
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* @param LDAP $link
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* @param LDAP $result
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* @return array|mixed
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*/
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2013-08-20 12:23:49 +00:00
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public function getEntries($link, $result) {
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return $this->invokeLDAPMethod('get_entries', $link, $result);
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}
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2014-05-11 13:17:27 +00:00
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/**
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* @param LDAP $link
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* @param resource $result
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* @return mixed|an
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*/
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2013-10-04 14:33:37 +00:00
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public function nextEntry($link, $result) {
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2013-12-11 10:00:53 +00:00
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return $this->invokeLDAPMethod('next_entry', $link, $result);
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2013-10-04 14:33:37 +00:00
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}
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2014-05-11 13:17:27 +00:00
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/**
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* @param LDAP $link
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* @param string $baseDN
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* @param string $filter
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* @param array $attr
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* @return mixed
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*/
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2013-08-20 12:23:49 +00:00
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public function read($link, $baseDN, $filter, $attr) {
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return $this->invokeLDAPMethod('read', $link, $baseDN, $filter, $attr);
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}
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2014-05-11 13:17:27 +00:00
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/**
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* @param LDAP $link
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* @param string $baseDN
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* @param string $filter
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* @param array $attr
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* @param int $attrsOnly
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* @param int $limit
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* @return mixed
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*/
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public function search($link, $baseDN, $filter, $attr, $attrsOnly = 0, $limit = 0) {
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return $this->invokeLDAPMethod('search', $link, $baseDN, $filter, $attr, $attrsOnly, $limit);
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2013-08-20 12:23:49 +00:00
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}
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2014-05-11 13:17:27 +00:00
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/**
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* @param LDAP $link
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* @param string $option
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* @param int $value
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* @return bool|mixed
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*/
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2013-08-20 12:23:49 +00:00
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public function setOption($link, $option, $value) {
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2013-12-06 11:04:17 +00:00
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return $this->invokeLDAPMethod('set_option', $link, $option, $value);
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2013-08-20 12:23:49 +00:00
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}
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2014-05-11 13:17:27 +00:00
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/**
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* @param LDAP $link
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* @param LDAP $result
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* @param string $sortFilter
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* @return mixed
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*/
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public function sort($link, $result, $sortFilter) {
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return $this->invokeLDAPMethod('sort', $link, $result, $sortFilter);
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2013-08-20 12:23:49 +00:00
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}
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2014-05-11 13:17:27 +00:00
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/**
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* @param LDAP $link
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* @return mixed|true
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*/
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2013-08-20 12:23:49 +00:00
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public function startTls($link) {
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return $this->invokeLDAPMethod('start_tls', $link);
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}
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2014-05-11 13:17:27 +00:00
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/**
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* @param resource $link
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* @return bool|mixed
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*/
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2013-08-20 12:23:49 +00:00
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public function unbind($link) {
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return $this->invokeLDAPMethod('unbind', $link);
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}
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/**
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2014-05-19 15:50:53 +00:00
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* Checks whether the server supports LDAP
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2014-02-06 15:30:58 +00:00
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* @return boolean if it the case, false otherwise
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2013-08-20 12:23:49 +00:00
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* */
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2013-06-12 00:08:02 +00:00
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public function areLDAPFunctionsAvailable() {
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return function_exists('ldap_connect');
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}
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2013-08-20 12:23:49 +00:00
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/**
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2014-05-19 15:50:53 +00:00
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* Checks whether PHP supports LDAP Paged Results
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2014-02-06 15:30:58 +00:00
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* @return boolean if it the case, false otherwise
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2013-08-20 12:23:49 +00:00
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* */
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2013-06-12 00:08:02 +00:00
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public function hasPagedResultSupport() {
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$hasSupport = function_exists('ldap_control_paged_result')
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&& function_exists('ldap_control_paged_result_response');
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return $hasSupport;
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}
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2013-08-20 10:39:24 +00:00
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/**
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2014-05-19 15:50:53 +00:00
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* Checks whether the submitted parameter is a resource
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2014-05-11 13:17:27 +00:00
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* @param Resource $resource the resource variable to check
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* @return bool true if it is a resource, false otherwise
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2013-08-20 10:39:24 +00:00
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*/
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public function isResource($resource) {
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return is_resource($resource);
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}
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2014-05-11 13:17:27 +00:00
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/**
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* @return mixed
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*/
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2013-08-20 12:23:49 +00:00
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private function invokeLDAPMethod() {
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$arguments = func_get_args();
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$func = 'ldap_' . array_shift($arguments);
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if(function_exists($func)) {
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$this->preFunctionCall($func, $arguments);
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$result = call_user_func_array($func, $arguments);
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2013-12-10 16:50:45 +00:00
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if ($result === FALSE) {
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$this->postFunctionCall();
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}
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2013-08-20 12:23:49 +00:00
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return $result;
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}
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}
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2014-02-06 15:30:58 +00:00
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/**
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* @param string $functionName
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2014-05-13 11:29:25 +00:00
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* @param array $args
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2014-02-06 15:30:58 +00:00
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*/
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2013-06-12 00:08:02 +00:00
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private function preFunctionCall($functionName, $args) {
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$this->curFunc = $functionName;
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$this->curArgs = $args;
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}
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private function postFunctionCall() {
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2013-08-20 12:23:49 +00:00
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if($this->isResource($this->curArgs[0])) {
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2013-06-12 00:08:02 +00:00
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$errorCode = ldap_errno($this->curArgs[0]);
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$errorMsg = ldap_error($this->curArgs[0]);
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if($errorCode !== 0) {
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if($this->curFunc === 'ldap_sort' && $errorCode === -4) {
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//You can safely ignore that decoding error.
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//… says https://bugs.php.net/bug.php?id=18023
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2013-08-20 12:23:49 +00:00
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} else if($this->curFunc === 'ldap_get_entries'
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&& $errorCode === -4) {
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2013-06-12 00:08:02 +00:00
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} else if ($errorCode === 32) {
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//for now
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2013-09-10 15:11:02 +00:00
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} else if ($errorCode === 10) {
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//referrals, we switch them off, but then there is AD :)
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2015-04-22 13:22:11 +00:00
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} else if ($errorCode === -1) {
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throw new ServerNotAvailableException('Lost connection to LDAP server.');
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2015-05-07 19:09:10 +00:00
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} else if ($errorCode === 48) {
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2015-05-12 12:45:32 +00:00
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throw new \Exception('LDAP authentication method rejected', $errorCode);
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2015-05-08 15:15:29 +00:00
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} else if ($errorCode === 1) {
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throw new \Exception('LDAP Operations error', $errorCode);
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2013-06-12 00:08:02 +00:00
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} else {
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2013-09-13 17:27:07 +00:00
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\OCP\Util::writeLog('user_ldap',
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'LDAP error '.$errorMsg.' (' .
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$errorCode.') after calling '.
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$this->curFunc,
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\OCP\Util::DEBUG);
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2013-06-12 00:08:02 +00:00
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}
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}
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}
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$this->curFunc = '';
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$this->curArgs = array();
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}
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2014-05-11 13:17:27 +00:00
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}
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