176 lines
4.5 KiB
PHP
176 lines
4.5 KiB
PHP
<?php
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/**
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* ownCloud
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*
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* @author Dominik Schmidt
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* @copyright 2011 Dominik Schmidt dev@dominik-schmidt.de
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library 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
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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class OC_USER_LDAP extends OC_User_Backend {
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protected $ds;
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protected $configured = false;
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// cached settings
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protected $ldap_host;
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protected $ldap_port;
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protected $ldap_dn;
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protected $ldap_password;
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protected $ldap_base;
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protected $ldap_filter;
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protected $ldap_tls;
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protected $ldap_nocase;
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protected $ldap_display_name;
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function __construct() {
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$this->ldap_host = OC_Appconfig::getValue('user_ldap', 'ldap_host','');
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$this->ldap_port = OC_Appconfig::getValue('user_ldap', 'ldap_port', OC_USER_BACKEND_LDAP_DEFAULT_PORT );
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$this->ldap_dn = OC_Appconfig::getValue('user_ldap', 'ldap_dn','');
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$this->ldap_password = OC_Appconfig::getValue('user_ldap', 'ldap_password','');
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$this->ldap_base = OC_Appconfig::getValue('user_ldap', 'ldap_base','');
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$this->ldap_filter = OC_Appconfig::getValue('user_ldap', 'ldap_filter','');
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$this->ldap_tls = OC_Appconfig::getValue('user_ldap', 'ldap_tls', 0);
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$this->ldap_nocase = OC_Appconfig::getValue('user_ldap', 'ldap_nocase', 0);
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$this->ldap_display_name = OC_Appconfig::getValue('user_ldap', 'ldap_display_name', OC_USER_BACKEND_LDAP_DEFAULT_DISPLAY_NAME);
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if( !empty($this->ldap_host)
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&& !empty($this->ldap_port)
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&& ((!empty($this->ldap_dn) && !empty($this->ldap_password)) || (empty($this->ldap_dn) && empty($this->ldap_password)))
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&& !empty($this->ldap_base)
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&& !empty($this->ldap_filter)
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&& !empty($this->ldap_display_name)
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)
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{
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$this->configured = true;
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}
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}
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function __destruct() {
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// close the connection
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if( $this->ds )
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ldap_unbind($this->ds);
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}
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private function getDs() {
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if(!$this->ds) {
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$this->ds = ldap_connect( $this->ldap_host, $this->ldap_port );
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if(ldap_set_option($this->ds, LDAP_OPT_PROTOCOL_VERSION, 3))
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if(ldap_set_option($this->ds, LDAP_OPT_REFERRALS, 0))
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if($this->ldap_tls)
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ldap_start_tls($this->ds);
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}
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// login
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if(!empty($this->ldap_dn)) {
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$ldap_login = @ldap_bind( $this->ds, $this->ldap_dn, $this->ldap_password );
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if(!$ldap_login)
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return false;
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}
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return $this->ds;
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}
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private function getDn( $uid ) {
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if(!$this->configured)
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return false;
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// connect to server
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$ds = $this->getDs();
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if( !$ds )
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return false;
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// get dn
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$filter = str_replace('%uid', $uid, $this->ldap_filter);
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$sr = ldap_search( $this->getDs(), $this->ldap_base, $filter );
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$entries = ldap_get_entries( $this->getDs(), $sr );
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if( $entries['count'] == 0 )
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return false;
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return $entries[0]['dn'];
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}
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public function checkPassword( $uid, $password ) {
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if(!$this->configured){
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return false;
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}
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$dn = $this->getDn( $uid );
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if( !$dn )
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return false;
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if (!@ldap_bind( $this->getDs(), $dn, $password ))
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return false;
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if($this->ldap_nocase) {
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return strtolower($uid);
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}
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else {
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return $uid;
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}
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}
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public function userExists( $uid ) {
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if(!$this->configured){
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return false;
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}
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$dn = $this->getDn($uid);
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return !empty($dn);
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}
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public function getUsers()
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{
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if(!$this->configured)
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return false;
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// connect to server
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$ds = $this->getDs();
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if( !$ds )
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return false;
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// get users
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$filter = 'objectClass=person';
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$sr = ldap_search( $this->getDs(), $this->ldap_base, $filter );
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$entries = ldap_get_entries( $this->getDs(), $sr );
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if( $entries['count'] == 0 )
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return false;
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else {
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$users = array();
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foreach($entries as $row) {
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// TODO ldap_get_entries() seems to lower all keys => needs review
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$ldap_display_name = strtolower($this->ldap_display_name);
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if(isset($row[$ldap_display_name])) {
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if($this->ldap_nocase) {
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$users[] = strtolower($row[$ldap_display_name][0]);
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}
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else
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{
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$users[] = $row[$ldap_display_name][0];
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}
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}
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}
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// TODO language specific sorting of user names
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sort($users);
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return $users;
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}
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}
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}
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?>
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