forked from GNUsocial/gnu-social
130 lines
4.4 KiB
PHP
130 lines
4.4 KiB
PHP
<?php
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/**
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* StatusNet, the distributed open-source microblogging tool
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*
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* Plugin to enable LDAP Authorization
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*
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* PHP version 5
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*
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* LICENCE: This program 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 as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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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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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category Plugin
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* @package StatusNet
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* @author Craig Andrews <candrews@integralblue.com>
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* @copyright 2009 Craig Andrews http://candrews.integralblue.com
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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if (!defined('STATUSNET') && !defined('LACONICA')) {
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exit(1);
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}
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require_once INSTALLDIR.'/plugins/Authorization/AuthorizationPlugin.php';
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require_once 'Net/LDAP2.php';
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class LdapAuthorizationPlugin extends AuthorizationPlugin
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{
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public $host=null;
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public $port=null;
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public $version=null;
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public $starttls=null;
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public $binddn=null;
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public $bindpw=null;
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public $basedn=null;
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public $options=null;
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public $filter=null;
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public $scope=null;
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public $provider_name = null;
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public $uniqueMember_attribute = null;
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public $roles_to_groups = null;
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function onInitializePlugin(){
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parent::onInitializePlugin();
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if(!isset($this->host)){
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throw new Exception("must specify a host");
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}
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if(!isset($this->basedn)){
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throw new Exception("must specify a basedn");
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}
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if(!isset($this->provider_name)){
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throw new Exception("provider_name must be set. Use the provider_name from the LDAP Authentication plugin.");
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}
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if(!isset($this->uniqueMember_attribute)){
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throw new Exception("uniqueMember_attribute must be set.");
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}
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if(!isset($this->roles_to_groups)){
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throw new Exception("roles_to_groups must be set.");
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}
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}
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//---interface implementation---//
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function loginAllowed($user) {
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$user_username = new User_username();
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$user_username->user_id=$user->id;
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$user_username->provider_name=$this->provider_name;
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if($user_username->find() && $user_username->fetch()){
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$entry = $this->ldap_get_user($user_username->username);
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if($entry){
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//if a user exists, we can assume he's allowed to login
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return true;
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}else{
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return null;
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}
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}else{
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return null;
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}
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}
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function hasRole($profile, $name) {
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$user_username = new User_username();
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$user_username->user_id=$profile->id;
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$user_username->provider_name=$this->provider_name;
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if($user_username->find() && $user_username->fetch()){
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$entry = $this->ldap_get_user($user_username->username);
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if($entry){
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if(isset($this->roles_to_groups[$name])){
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if(is_array($this->roles_to_groups[$name])){
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foreach($this->roles_to_groups[$name] as $group){
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if($this->isMemberOfGroup($entry->dn(),$group)){
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return true;
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}
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}
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}else{
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if($this->isMemberOfGroup($entry->dn(),$this->roles_to_groups[$name])){
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return true;
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}
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}
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}
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}
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}
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return false;
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}
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function isMemberOfGroup($userDn, $groupDn)
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{
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$ldap = ldap_get_connection();
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$link = $ldap->getLink();
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$r = ldap_compare($link, $groupDn, $this->uniqueMember_attribute, $userDn);
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if ($r === true){
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return true;
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}else if($r === false){
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return false;
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}else{
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common_log(LOG_ERR, ldap_error($r));
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return false;
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}
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}
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}
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