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<?php
/**
* ownCloud – LDAP Background Jobs
*
* @author Arthur Schiwon
* @copyright 2012 Arthur Schiwon blizzz@owncloud.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library 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 along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\user_ldap\lib;
class Jobs {
//refresh groups every hour
static private $refreshInterval = 36;//00;
static private $groupsFromDB;
static private $groupBE;
static private $connector;
static public function updateGroups() {
\OCP\Util::writeLog('user_ldap', 'Run background job "updateGroups"', \OCP\Util::DEBUG);
$lastUpdate = \OCP\Config::getAppValue('user_ldap', 'bgjUpdateGroupsLastRun', 0);
if((time() - $lastUpdate) < self::$refreshInterval) {
\OCP\Util::writeLog('user_ldap', 'bgJ "updateGroups" – last run too fresh, aborting.', \OCP\Util::DEBUG);
//komm runter Werner die Maurer geben ein aus
return;
}
$knownGroups = array_keys(self::getKnownGroups());
$actualGroups = self::getGroupBE()->getGroups();
if(empty($actualGroups) && empty($knownGroups)) {
\OCP\Util::writeLog('user_ldap', 'bgJ "updateGroups" – groups do not seem to be configured properly, aborting.', \OCP\Util::INFO);
\OCP\setAppValue('user_ldap', 'bgjUpdateGroupsLastRun', time());
return;
}
self::handleKnownGroups(array_intersect($actualGroups, $knownGroups));
self::handleCreatedGroups(array_diff($actualGroups, $knownGroups));
self::handleRemovedGroups(array_diff($knownGroups, $actualGroups));
\OCP\Config::setAppValue('user_ldap', 'bgjUpdateGroupsLastRun', time());
\OCP\Util::writeLog('user_ldap', 'bgJ "updateGroups" – Finished.', \OCP\Util::DEBUG);
}
static private function handleKnownGroups($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_addFromGroup', 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), $group));
}
}
\OCP\Util::writeLog('user_ldap', 'bgJ "updateGroups" – FINISHED dealing with known Groups.', \OCP\Util::DEBUG);
}
static private function handleCreatedGroups($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, $users));
}
\OCP\Util::writeLog('user_ldap', 'bgJ "updateGroups" – FINISHED dealing with created Groups.', \OCP\Util::DEBUG);
}
static private function handleRemovedGroups($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 $removedGroup) {
\OCP\Util::writeLog('user_ldap', 'bgJ "updateGroups" – group "'.$createdGroup.'" was removed.', \OCP\Util::INFO);
$query->execute(array($removedGroup));
}
\OCP\Util::writeLog('user_ldap', 'bgJ "updateGroups" – FINISHED dealing with removed groups.', \OCP\Util::DEBUG);
}
static private function getConnector() {
if(!is_null(self::$connector)) {
return self::$connector;
}
self::$connector = new \OCA\user_ldap\lib\Connection('user_ldap');
return self::$connector;
}
static private function getGroupBE() {
if(!is_null(self::$groupBE)) {
return self::$groupBE;
}
self::getConnector();
self::$groupBE = new \OCA\user_ldap\GROUP_LDAP();
self::$groupBE->setConnector(self::$connector);
return self::$groupBE;
}
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;
}
}
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