gnu-social/plugins/LdapAuthorization/LdapAuthorizationPlugin.php

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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Plugin to enable LDAP 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 Free Software Foundation, Inc http://www.fsf.org
* @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);
}
class LdapAuthorizationPlugin extends AuthorizationPlugin
{
public $roles_to_groups = array();
public $login_group = null;
function onInitializePlugin(){
if(!isset($this->provider_name)){
// TRANS: Exception thrown when initialising the LDAP Auth plugin fails because of an incorrect configuration.
throw new Exception(_m('provider_name must be set. Use the provider_name from the LDAP Authentication plugin.'));
}
if(!isset($this->uniqueMember_attribute)){
// TRANS: Exception thrown when initialising the LDAP Auth plugin fails because of an incorrect configuration.
throw new Exception(_m('uniqueMember_attribute must be set.'));
}
$this->ldapCommon = new LdapCommon(get_object_vars($this));
}
function onAutoload($cls)
{
switch ($cls)
{
case 'LdapCommon':
require_once(INSTALLDIR.'/plugins/LdapCommon/LdapCommon.php');
return false;
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}
return parent::onAutoload($cls);
}
//---interface implementation---//
function loginAllowed($user) {
$user_username = new User_username();
$user_username->user_id=$user->id;
$user_username->provider_name=$this->provider_name;
if($user_username->find() && $user_username->fetch()){
$entry = $this->ldapCommon->get_user($user_username->username);
if($entry){
if(isset($this->login_group)){
if(is_array($this->login_group)){
foreach($this->login_group as $group){
if($this->ldapCommon->is_dn_member_of_group($entry->dn(),$group)){
return true;
}
}
}else{
if($this->ldapCommon->is_dn_member_of_group($entry->dn(),$this->login_group)){
return true;
}
}
return null;
}else{
//if a user exists, we can assume he's allowed to login
return true;
}
}else{
return null;
}
}else{
return null;
}
}
function hasRole($profile, $name) {
$user_username = new User_username();
$user_username->user_id=$profile->id;
$user_username->provider_name=$this->provider_name;
if($user_username->find() && $user_username->fetch()){
$entry = $this->ldapCommon->get_user($user_username->username);
if($entry){
if(isset($this->roles_to_groups[$name])){
if(is_array($this->roles_to_groups[$name])){
foreach($this->roles_to_groups[$name] as $group){
if($this->ldapCommon->is_dn_member_of_group($entry->dn(),$group)){
return true;
}
}
}else{
if($this->ldapCommon->is_dn_member_of_group($entry->dn(),$this->roles_to_groups[$name])){
return true;
}
}
}
}
}
return false;
}
function onPluginVersion(&$versions)
{
$versions[] = array('name' => 'LDAP Authorization',
'version' => STATUSNET_VERSION,
'author' => 'Craig Andrews',
'homepage' => 'http://status.net/wiki/Plugin:LdapAuthorization',
'rawdescription' =>
// TRANS: Plugin description.
_m('The LDAP Authorization plugin allows for StatusNet to handle authorization through LDAP.'));
return true;
}
}