nextcloud/apps/user_ldap/lib/Jobs/UpdateGroups.php

246 lines
8.0 KiB
PHP
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
* @author Bart Visscher <bartv@thisnet.nl>
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @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 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;
use OCP\EventDispatcher\IEventDispatcher;
use OCP\Group\Events\UserAddedEvent;
use OCP\Group\Events\UserRemovedEvent;
use OCP\ILogger;
use OCP\IUser;
class UpdateGroups extends \OC\BackgroundJob\TimedJob {
private static $groupsFromDB;
private static $groupBE;
public function __construct() {
$this->interval = self::getRefreshInterval();
}
/**
* @param mixed $argument
*/
public function run($argument) {
self::updateGroups();
}
public static function updateGroups() {
\OCP\Util::writeLog('user_ldap', 'Run background job "updateGroups"', ILogger::DEBUG);
$knownGroups = array_keys(self::getKnownGroups());
$actualGroups = self::getGroupBE()->getGroups();
if (empty($actualGroups) && empty($knownGroups)) {
\OCP\Util::writeLog('user_ldap',
'bgJ "updateGroups" groups do not seem to be configured properly, aborting.',
ILogger::INFO);
return;
}
self::handleKnownGroups(array_intersect($actualGroups, $knownGroups));
self::handleCreatedGroups(array_diff($actualGroups, $knownGroups));
self::handleRemovedGroups(array_diff($knownGroups, $actualGroups));
\OCP\Util::writeLog('user_ldap', 'bgJ "updateGroups" Finished.', ILogger::DEBUG);
}
/**
* @return int
*/
private static function getRefreshInterval() {
//defaults to every hour
return \OC::$server->getConfig()->getAppValue('user_ldap', 'bgjRefreshInterval', 3600);
}
/**
* @param string[] $groups
*/
private static function handleKnownGroups($groups) {
/** @var IEventDispatcher $dispatcher */
$dispatcher = \OC::$server->query(IEventDispatcher::class);
$groupManager = \OC::$server->getGroupManager();
$userManager = \OC::$server->getUserManager();
\OCP\Util::writeLog('user_ldap', 'bgJ "updateGroups" Dealing with known Groups.', ILogger::DEBUG);
$query = \OC_DB::prepare('
UPDATE `*PREFIX*ldap_group_members`
SET `owncloudusers` = ?
WHERE `owncloudname` = ?
');
foreach ($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;
$groupObject = $groupManager->get($group);
foreach (array_diff($knownUsers, $actualUsers) as $removedUser) {
$userObject = $userManager->get($removedUser);
if ($userObject instanceof IUser) {
$dispatcher->dispatchTyped(new UserRemovedEvent($groupObject, $userObject));
}
\OCP\Util::writeLog('user_ldap',
'bgJ "updateGroups" "'.$removedUser.'" removed from "'.$group.'".',
ILogger::INFO);
$hasChanged = true;
}
foreach (array_diff($actualUsers, $knownUsers) as $addedUser) {
$userObject = $userManager->get($addedUser);
if ($userObject instanceof IUser) {
$dispatcher->dispatchTyped(new UserAddedEvent($groupObject, $userObject));
}
\OCP\Util::writeLog('user_ldap',
'bgJ "updateGroups" "'.$addedUser.'" added to "'.$group.'".',
ILogger::INFO);
$hasChanged = true;
}
if ($hasChanged) {
$query->execute([serialize($actualUsers), $group]);
}
}
\OCP\Util::writeLog('user_ldap',
'bgJ "updateGroups" FINISHED dealing with known Groups.',
ILogger::DEBUG);
}
/**
* @param string[] $createdGroups
*/
private static function handleCreatedGroups($createdGroups) {
\OCP\Util::writeLog('user_ldap', 'bgJ "updateGroups" dealing with created Groups.', ILogger::DEBUG);
$query = \OC_DB::prepare('
INSERT
INTO `*PREFIX*ldap_group_members` (`owncloudname`, `owncloudusers`)
VALUES (?, ?)
');
foreach ($createdGroups as $createdGroup) {
\OCP\Util::writeLog('user_ldap',
'bgJ "updateGroups" new group "'.$createdGroup.'" found.',
ILogger::INFO);
$users = serialize(self::getGroupBE()->usersInGroup($createdGroup));
$query->execute([$createdGroup, $users]);
}
\OCP\Util::writeLog('user_ldap',
'bgJ "updateGroups" FINISHED dealing with created Groups.',
ILogger::DEBUG);
}
/**
* @param string[] $removedGroups
*/
private static function handleRemovedGroups($removedGroups) {
\OCP\Util::writeLog('user_ldap', 'bgJ "updateGroups" dealing with removed groups.', ILogger::DEBUG);
$query = \OC_DB::prepare('
DELETE
FROM `*PREFIX*ldap_group_members`
WHERE `owncloudname` = ?
');
foreach ($removedGroups as $removedGroup) {
\OCP\Util::writeLog('user_ldap',
'bgJ "updateGroups" group "'.$removedGroup.'" was removed.',
ILogger::INFO);
$query->execute([$removedGroup]);
}
\OCP\Util::writeLog('user_ldap',
'bgJ "updateGroups" FINISHED dealing with removed groups.',
ILogger::DEBUG);
}
/**
* @return \OCA\User_LDAP\Group_LDAP|\OCA\User_LDAP\Group_Proxy
*/
private static 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(), \OC::$server->getUserManager());
$groupMapper = new GroupMapping($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::$groupBE;
}
/**
* @return array
*/
private static function getKnownGroups() {
if (is_array(self::$groupsFromDB)) {
return self::$groupsFromDB;
}
$query = \OC_DB::prepare('
SELECT `owncloudname`, `owncloudusers`
FROM `*PREFIX*ldap_group_members`
');
$result = $query->execute()->fetchAll();
self::$groupsFromDB = [];
foreach ($result as $dataset) {
self::$groupsFromDB[$dataset['owncloudname']] = $dataset;
}
return self::$groupsFromDB;
}
}