diff options
Diffstat (limited to 'plugins/Ldap/ldap.php')
-rw-r--r-- | plugins/Ldap/ldap.php | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/plugins/Ldap/ldap.php b/plugins/Ldap/ldap.php new file mode 100644 index 000000000..d92a058fb --- /dev/null +++ b/plugins/Ldap/ldap.php @@ -0,0 +1,108 @@ +<?php +/* + * StatusNet - the distributed open-source microblogging tool + * Copyright (C) 2008, 2009, StatusNet, Inc. + * + * 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/>. + */ + +if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); } + +require_once 'Net/LDAP2.php'; + +function ldap_get_config(){ + static $config = null; + if($config == null){ + $config = array(); + $keys = array('host','port','version','starttls','binddn','bindpw','basedn','options','scope'); + foreach($keys as $key){ + $value = common_config('ldap', $key); + if($value!==false){ + $config[$key]=$value; + } + } + } + return $config; +} + +function ldap_get_connection($config = null){ + if($config == null){ + $config = ldap_get_config(); + } + + //cannot use Net_LDAP2::connect() as StatusNet uses + //PEAR::setErrorHandling(PEAR_ERROR_CALLBACK, 'handleError'); + //PEAR handling can be overridden on instance objects, so we do that. + $ldap = new Net_LDAP2($config); + $ldap->setErrorHandling(PEAR_ERROR_RETURN); + $err=$ldap->bind(); + if (Net_LDAP2::isError($err)) { + common_log(LOG_WARNING, 'Could not connect to LDAP server: '.$err->getMessage()); + return false; + } + return $ldap; +} + +function ldap_check_password($username, $password){ + $ldap = ldap_get_connection(); + if(!$ldap){ + return false; + } + $entry = ldap_get_user($username); + if(!$entry){ + return false; + }else{ + $config = ldap_get_config(); + $config['binddn']=$entry->dn(); + $config['bindpw']=$password; + if(ldap_get_connection($config)){ + return true; + }else{ + return false; + } + } +} + +/** + * get an LDAP entry for a user with a given username + * + * @param string $username + * $param array $attributes LDAP attributes to retrieve + * @return string DN + */ +function ldap_get_user($username,$attributes=array()){ + $ldap = ldap_get_connection(); + $filter = Net_LDAP2_Filter::create(common_config('ldap','nickname_attribute'), 'equals', $username); + $options = array( + 'scope' => 'sub', + 'attributes' => $attributes + ); + $search = $ldap->search(null,$filter,$options); + + if (PEAR::isError($search)) { + common_log(LOG_WARNING, 'Error while getting DN for user: '.$search->getMessage()); + return false; + } + + if($search->count()==0){ + return false; + }else if($search->count()==1){ + $entry = $search->shiftEntry(); + return $entry; + }else{ + common_log(LOG_WARNING, 'Found ' . $search->count() . ' ldap user with the username: ' . $username); + return false; + } +} + |