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