<?php
/**
* @version $Id: ldap.php 21322 2011-05-11 01:10:29Z dextercowley $
* @copyright Copyright (C) 2005 - 2011 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
// No direct access
defined('_JEXEC') or die;
jimport('joomla.plugin.plugin');
/**
* LDAP Authentication Plugin
*
* @package Joomla.Plugin
* @subpackage Authentication.ldap
* @since 1.5
*/
class plgAuthenticationLdap extends JPlugin
{
/**
* This method should handle any authentication and report back to the subject
*
* @access public
* @param array $credentials Array holding the user credentials
* @param array $options Array of extra options
* @param object $response Authentication response object
* @return object boolean
* @since 1.5
*/
function onUserAuthenticate($credentials, $options, &$response)
{
// Initialise variables.
$userdetails = null;
$success = 0;
$userdetails = Array();
// For JLog
$response->type = 'LDAP';
// LDAP does not like Blank passwords (tries to Anon Bind which is bad)
if (empty($credentials['password']))
{
$response->status = JAUTHENTICATE_STATUS_FAILURE;
$response->error_message = JText::_('JGLOBAL_AUTH_PASS_BLANK');
return false;
}
// load plugin params info
$ldap_email = $this->params->get('ldap_email');
$ldap_fullname = $this->params->get('ldap_fullname');
$ldap_uid = $this->params->get('ldap_uid');
$auth_method = $this->params->get('auth_method');
jimport('joomla.client.ldap');
$ldap = new JLDAP($this->params);
if (!$ldap->connect())
{
$response->status = JAUTHENTICATE_STATUS_FAILURE;
$response->error_message = JText::_('JGLOBAL_AUTH_NO_CONNECT');
return;
}
switch($auth_method)
{
case 'search':
{
// Bind using Connect Username/password
// Force anon bind to mitigate misconfiguration like [#7119]
if (strlen($this->params->get('username')))
{
$bindtest = $ldap->bind();
}
else
{
$bindtest = $ldap->anonymous_bind();
}
if ($bindtest)
{
// Search for users DN
$binddata = $ldap->simple_search(str_replace("[search]", $credentials['username'], $this->params->get('search_string')));
if (isset($binddata[0]) && isset($binddata[0]['dn'])) {
// Verify Users Credentials
$success = $ldap->bind($binddata[0]['dn'],$credentials['password'],1);
// Get users details
$userdetails = $binddata;
} else {
$response->status = JAUTHENTICATE_STATUS_FAILURE;
$response->error_message = JText::_('JGLOBAL_AUTH_USER_NOT_FOUND');
}
}
else
{
$response->status = JAUTHENTICATE_STATUS_FAILURE;
$response->error_message = JText::_('JGLOBAL_AUTH_NO_BIND');
}
} break;
case 'bind':
{
// We just accept the result here
$success = $ldap->bind($credentials['username'],$credentials['password']);
if ($success) {
$userdetails = $ldap->simple_search(str_replace("[search]", $credentials['username'], $this->params->get('search_string')));
} else {
$response->status = JAUTHENTICATE_STATUS_FAILURE;
$response->error_message = JText::_('JGLOBAL_AUTH_BIND_FAILED');
}
} break;
}
if (!$success)
{
$response->status = JAUTHENTICATE_STATUS_FAILURE;
if (!strlen($response->error_message)) $response->error_message = JText::_('JGLOBAL_AUTH_INCORRECT');
}
else
{
// Grab some details from LDAP and return them
if (isset($userdetails[0][$ldap_uid][0])) {
$response->username = $userdetails[0][$ldap_uid][0];
}
if (isset($userdetails[0][$ldap_email][0])) {
$response->email = $userdetails[0][$ldap_email][0];
}
if (isset($userdetails[0][$ldap_fullname][0])) {
$response->fullname = $userdetails[0][$ldap_fullname][0];
} else {
$response->fullname = $credentials['username'];
}
// Were good - So say so.
$response->status = JAUTHENTICATE_STATUS_SUCCESS;
$response->error_message = '';
}
$ldap->close();
}
}