gnu-social/plugins/Ldap/LdapPlugin.php
2009-11-09 17:43:37 -05:00

117 lines
4.1 KiB
PHP

<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Plugin to enable LDAP Authentication and Authorization
*
* PHP version 5
*
* LICENCE: This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Plugin
* @package StatusNet
* @author Craig Andrews <candrews@integralblue.com>
* @copyright 2009 Craig Andrews http://candrews.integralblue.com
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET') && !defined('LACONICA')) {
exit(1);
}
require_once INSTALLDIR.'/plugins/Ldap/ldap.php';
class LdapPlugin extends Plugin
{
private $config = array();
function __construct()
{
parent::__construct();
}
function onCheckPassword($nickname, $password, &$authenticated)
{
if(ldap_check_password($nickname, $password)){
$authenticated = true;
//stop handling of other events, because we have an answer
return false;
}
if(common_config('ldap','authoritative')){
//a false return stops handler processing
return false;
}
}
function onAutoRegister($nickname)
{
$user = User::staticGet('nickname', $nickname);
if (! is_null($user) && $user !== false) {
common_log(LOG_WARNING, "An attempt was made to autoregister an existing user with nickname: $nickname");
return;
}
$attributes=array();
$config_attributes = array('nickname','email','fullname','homepage','location');
foreach($config_attributes as $config_attribute){
$value = common_config('ldap', $config_attribute.'_attribute');
if($value!==false){
array_push($attributes,$value);
}
}
$entry = ldap_get_user($nickname,$attributes);
if($entry){
$registration_data = array();
foreach($config_attributes as $config_attribute){
$value = common_config('ldap', $config_attribute.'_attribute');
if($value!==false){
if($config_attribute=='email'){
$registration_data[$config_attribute]=common_canonical_email($entry->getValue($value,'single'));
}else if($config_attribute=='nickname'){
$registration_data[$config_attribute]=common_canonical_nickname($entry->getValue($value,'single'));
}else{
$registration_data[$config_attribute]=$entry->getValue($value,'single');
}
}
}
//set the database saved password to a random string.
$registration_data['password']=common_good_rand(16);
$user = User::register($registration_data);
//prevent other handlers from running, as we have registered the user
return false;
}
}
function onChangePassword($nickname,$oldpassword,$newpassword,&$errormsg)
{
//TODO implement this
$errormsg = _('Sorry, changing LDAP passwords is not supported at this time');
//return false, indicating that the event has been handled
return false;
}
function onCanUserChangeField($nickname, $field)
{
switch($field)
{
case 'password':
case 'nickname':
case 'email':
return false;
}
}
}