136 lines
3.8 KiB
PHP
136 lines
3.8 KiB
PHP
<?php
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/**
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* ownCloud – LDAP Helper
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*
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* @author Arthur Schiwon
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* @copyright 2013 Arthur Schiwon blizzz@owncloud.com
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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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namespace OCA\user_ldap\lib;
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class Helper {
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/**
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* @brief returns prefixes for each saved LDAP/AD server configuration.
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* @param bool optional, whether only active configuration shall be
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* retrieved, defaults to false
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* @return array with a list of the available prefixes
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*
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* Configuration prefixes are used to set up configurations for n LDAP or
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* AD servers. Since configuration is stored in the database, table
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* appconfig under appid user_ldap, the common identifiers in column
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* 'configkey' have a prefix. The prefix for the very first server
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* configuration is empty.
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* Configkey Examples:
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* Server 1: ldap_login_filter
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* Server 2: s1_ldap_login_filter
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* Server 3: s2_ldap_login_filter
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*
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* The prefix needs to be passed to the constructor of Connection class,
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* except the default (first) server shall be connected to.
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*
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*/
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static public function getServerConfigurationPrefixes($activeConfigurations = false) {
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$referenceConfigkey = 'ldap_configuration_active';
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$query = '
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SELECT DISTINCT `configkey`
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FROM `*PREFIX*appconfig`
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WHERE `appid` = \'user_ldap\'
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AND `configkey` LIKE ?
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';
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if($activeConfigurations) {
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$query .= ' AND `configvalue` = \'1\'';
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}
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$query = \OCP\DB::prepare($query);
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$serverConfigs = $query->execute(array('%'.$referenceConfigkey))->fetchAll();
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$prefixes = array();
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foreach($serverConfigs as $serverConfig) {
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$len = strlen($serverConfig['configkey']) - strlen($referenceConfigkey);
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$prefixes[] = substr($serverConfig['configkey'], 0, $len);
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}
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return $prefixes;
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}
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/**
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* @brief deletes a given saved LDAP/AD server configuration.
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* @param string the configuration prefix of the config to delete
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* @return bool true on success, false otherwise
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*/
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static public function deleteServerConfiguration($prefix) {
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//just to be on the safe side
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\OCP\User::checkAdminUser();
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if(!in_array($prefix, self::getServerConfigurationPrefixes())) {
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return false;
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}
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$query = \OCP\DB::prepare('
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DELETE
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FROM `*PREFIX*appconfig`
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WHERE `configkey` LIKE ?
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AND `appid` = \'user_ldap\'
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AND `configkey` NOT IN (\'enabled\', \'installed_version\', \'types\', \'bgjUpdateGroupsLastRun\')
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');
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$delRows = $query->execute(array($prefix.'%'));
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if(\OCP\DB::isError($delRows)) {
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return false;
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}
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if($delRows === 0) {
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return false;
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}
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return true;
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}
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/**
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* Truncate's the given mapping table
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*
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* @param string $mapping either 'user' or 'group'
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* @return boolean true on success, false otherwise
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*/
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static public function clearMapping($mapping) {
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if($mapping === 'user') {
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$table = '`*PREFIX*ldap_user_mapping`';
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} else if ($mapping === 'group') {
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$table = '`*PREFIX*ldap_group_mapping`';
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} else {
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return false;
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}
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if(strpos(\OCP\Config::getSystemValue('dbtype'), 'sqlite') !== false) {
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$query = \OCP\DB::prepare('DELETE FROM '.$table);
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} else {
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$query = \OCP\DB::prepare('TRUNCATE '.$table);
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}
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$res = $query->execute();
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if(\OCP\DB::isError($res)) {
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return false;
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}
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return true;
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}
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}
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