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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
* @author Bart Visscher <bartv@thisnet.nl>
* @author Joas Schilling <coding@schilljs.com>
* @author Jörn Friedrich Dreyer <jfd@butonic.de>
* @author Lukas Reschke <lukas@statuscode.ch>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <robin@icewind.nl>
* @author Robin McCorkell <robin@mccorkell.me.uk>
* @author Roeland Jago Douma <roeland@famdouma.nl>
* @author Roger Szabo <roger.szabo@web.de>
* @author root <root@localhost.localdomain>
* @author Thomas Müller <thomas.mueller@tmit.eu>
* @author Vinicius Cubas Brand <vinicius@eita.org.br>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OCA\User_LDAP\Jobs;
use OCA\User_LDAP\Access;
use OCA\User_LDAP\Connection;
use OCA\User_LDAP\FilesystemHelper;
use OCA\User_LDAP\Helper;
use OCA\User_LDAP\LDAP;
use OCA\User_LDAP\LogWrapper;
use OCA\User_LDAP\Mapping\GroupMapping;
use OCA\User_LDAP\Mapping\UserMapping;
use OCA\User_LDAP\User\Manager;
class UpdateGroups extends \OC\BackgroundJob\TimedJob {
static private $groupsFromDB;
static private $groupBE;
public function __construct(){
$this->interval = self::getRefreshInterval();
}
/**
* @param mixed $argument
*/
public function run($argument){
self::updateGroups();
}
static public function updateGroups() {
\OCP\Util::writeLog('user_ldap', 'Run background job "updateGroups"', \OCP\Util::DEBUG);
$knownGroups = array_keys(self::getKnownGroups());
$actualGroups = self::getGroupBE()->getGroups();
if(empty($actualGroups) && empty($knownGroups)) {
\OCP\Util::writeLog('user_ldap',
'bgJ "updateGroups" – groups do not seem to be configured properly, aborting.',
\OCP\Util::INFO);
return;
}
self::handleKnownGroups(array_intersect($actualGroups, $knownGroups));
self::handleCreatedGroups(array_diff($actualGroups, $knownGroups));
self::handleRemovedGroups(array_diff($knownGroups, $actualGroups));
\OCP\Util::writeLog('user_ldap', 'bgJ "updateGroups" – Finished.', \OCP\Util::DEBUG);
}
/**
* @return int
*/
static private function getRefreshInterval() {
//defaults to every hour
return \OCP\Config::getAppValue('user_ldap', 'bgjRefreshInterval', 3600);
}
/**
* @param string[] $groups
*/
static private function handleKnownGroups($groups) {
\OCP\Util::writeLog('user_ldap', 'bgJ "updateGroups" – Dealing with known Groups.', \OCP\Util::DEBUG);
$query = \OCP\DB::prepare('
UPDATE `*PREFIX*ldap_group_members`
SET `owncloudusers` = ?
WHERE `owncloudname` = ?
');
foreach($groups as $group) {
//we assume, that self::$groupsFromDB has been retrieved already
$knownUsers = unserialize(self::$groupsFromDB[$group]['owncloudusers']);
$actualUsers = self::getGroupBE()->usersInGroup($group);
$hasChanged = false;
foreach(array_diff($knownUsers, $actualUsers) as $removedUser) {
\OCP\Util::emitHook('OC_User', 'post_removeFromGroup', array('uid' => $removedUser, 'gid' => $group));
\OCP\Util::writeLog('user_ldap',
'bgJ "updateGroups" – "'.$removedUser.'" removed from "'.$group.'".',
\OCP\Util::INFO);
$hasChanged = true;
}
foreach(array_diff($actualUsers, $knownUsers) as $addedUser) {
\OCP\Util::emitHook('OC_User', 'post_addToGroup', array('uid' => $addedUser, 'gid' => $group));
\OCP\Util::writeLog('user_ldap',
'bgJ "updateGroups" – "'.$addedUser.'" added to "'.$group.'".',
\OCP\Util::INFO);
$hasChanged = true;
}
if($hasChanged) {
$query->execute(array(serialize($actualUsers), $group));
}
}
\OCP\Util::writeLog('user_ldap',
'bgJ "updateGroups" – FINISHED dealing with known Groups.',
\OCP\Util::DEBUG);
}
/**
* @param string[] $createdGroups
*/
static private function handleCreatedGroups($createdGroups) {
\OCP\Util::writeLog('user_ldap', 'bgJ "updateGroups" – dealing with created Groups.', \OCP\Util::DEBUG);
$query = \OCP\DB::prepare('
INSERT
INTO `*PREFIX*ldap_group_members` (`owncloudname`, `owncloudusers`)
VALUES (?, ?)
');
foreach($createdGroups as $createdGroup) {
\OCP\Util::writeLog('user_ldap',
'bgJ "updateGroups" – new group "'.$createdGroup.'" found.',
\OCP\Util::INFO);
$users = serialize(self::getGroupBE()->usersInGroup($createdGroup));
$query->execute(array($createdGroup, $users));
}
\OCP\Util::writeLog('user_ldap',
'bgJ "updateGroups" – FINISHED dealing with created Groups.',
\OCP\Util::DEBUG);
}
/**
* @param string[] $removedGroups
*/
static private function handleRemovedGroups($removedGroups) {
\OCP\Util::writeLog('user_ldap', 'bgJ "updateGroups" – dealing with removed groups.', \OCP\Util::DEBUG);
$query = \OCP\DB::prepare('
DELETE
FROM `*PREFIX*ldap_group_members`
WHERE `owncloudname` = ?
');
foreach($removedGroups as $removedGroup) {
\OCP\Util::writeLog('user_ldap',
'bgJ "updateGroups" – group "'.$removedGroup.'" was removed.',
\OCP\Util::INFO);
$query->execute(array($removedGroup));
}
\OCP\Util::writeLog('user_ldap',
'bgJ "updateGroups" – FINISHED dealing with removed groups.',
\OCP\Util::DEBUG);
}
/**
* @return \OCA\User_LDAP\Group_LDAP|\OCA\User_LDAP\Group_Proxy
*/
static private function getGroupBE() {
if(!is_null(self::$groupBE)) {
return self::$groupBE;
}
$helper = new Helper(\OC::$server->getConfig());
$configPrefixes = $helper->getServerConfigurationPrefixes(true);
$ldapWrapper = new LDAP();
if(count($configPrefixes) === 1) {
//avoid the proxy when there is only one LDAP server configured
$dbc = \OC::$server->getDatabaseConnection();
$userManager = new Manager(
\OC::$server->getConfig(),
new FilesystemHelper(),
new LogWrapper(),
\OC::$server->getAvatarManager(),
new \OCP\Image(),
$dbc,
\OC::$server->getUserManager(),
\OC::$server->getNotificationManager());
$connector = new Connection($ldapWrapper, $configPrefixes[0]);
$ldapAccess = new Access($connector, $ldapWrapper, $userManager, $helper, \OC::$server->getConfig());
$groupMapper = new GroupMapping($dbc);
$userMapper = new UserMapping($dbc);
$ldapAccess->setGroupMapper($groupMapper);
$ldapAccess->setUserMapper($userMapper);
self::$groupBE = new \OCA\User_LDAP\Group_LDAP($ldapAccess, \OC::$server->query('LDAPGroupPluginManager'));
} else {
self::$groupBE = new \OCA\User_LDAP\Group_Proxy($configPrefixes, $ldapWrapper, \OC::$server->query('LDAPGroupPluginManager'));
}
return self::$groupBE;
}
/**
* @return array
*/
static private function getKnownGroups() {
if(is_array(self::$groupsFromDB)) {
return self::$groupsFromDB;
}
$query = \OCP\DB::prepare('
SELECT `owncloudname`, `owncloudusers`
FROM `*PREFIX*ldap_group_members`
');
$result = $query->execute()->fetchAll();
self::$groupsFromDB = array();
foreach($result as $dataset) {
self::$groupsFromDB[$dataset['owncloudname']] = $dataset;
}
return self::$groupsFromDB;
}
}