egroupware_official/phpgwapi/inc/class.auth_fallback.inc.php

86 lines
2.3 KiB
PHP

<?php
/**
* eGroupWare API - LDAP Authentication with fallback to SQL
*
* @link http://www.egroupware.org
* @author Ralf Becker <ralfbecker@outdoor-training.de>
* @license http://opensource.org/licenses/lgpl-license.php LGPL - GNU Lesser General Public License
* @package api
* @subpackage authentication
* @version $Id$
*/
/**
* Authentication agains a LDAP Server with fallback to SQL
*
* For other fallback types, simply change auth backends in constructor call
*/
class auth_fallback implements auth_backend
{
/**
* Primary auth backend
*
* @var auth_backend
*/
private $primary_backend;
/**
* Fallback auth backend
*
* @var auth_backend
*/
private $fallback_backend;
/**
* Constructor
*/
function __construct($primary='auth_ldap',$fallback='auth_sql')
{
$this->primary_backend = new $primary;
$this->fallback_backend = new $fallback;
}
/**
* authentication against LDAP with fallback to SQL
*
* @param string $username username of account to authenticate
* @param string $passwd corresponding password
* @return boolean true if successful authenticated, false otherwise
*/
function authenticate($username, $passwd, $passwd_type='text')
{
if ($this->primary_backend->authenticate($username, $passwd, $passwd_type))
{
egw_cache::setSession(__CLASS__,'backend_used','primary');
return true;
}
if ($this->fallback_backend->authenticate($username,$passwd, $passwd_type))
{
egw_cache::setSession(__CLASS__,'backend_used','fallback');
return true;
}
return false;
}
/**
* changes password in LDAP
*
* If $old_passwd is given, the password change is done binded as user and NOT with the
* "root" dn given in the configurations.
*
* @param string $old_passwd must be cleartext or empty to not to be checked
* @param string $new_passwd must be cleartext
* @param int $account_id account id of user whose passwd should be changed
* @return boolean true if password successful changed, false otherwise
*/
function change_password($old_passwd, $new_passwd, $account_id=0)
{
if (egw_cache::getSession(__CLASS__,'backend_used') == 'primary')
{
return $this->primary_backend->change_password($old_passwd, $new_passwd, $account_id);
}
return $this->fallback_backend->change_password($old_passwd, $new_passwd, $account_id);
}
}