From 6b4fb98a02cd1baf57f46a1fe6912d9b782231dd Mon Sep 17 00:00:00 2001
From: =?utf8?q?Tim=20D=C3=BCsterhus?= <duesterhus@woltlab.com>
Date: Wed, 6 Jan 2016 17:26:27 +0100
Subject: [PATCH] Force a guest user in BackgroundQueueHandler::performJob()

---
 .../lib/system/background/BackgroundQueueHandler.class.php | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/wcfsetup/install/files/lib/system/background/BackgroundQueueHandler.class.php b/wcfsetup/install/files/lib/system/background/BackgroundQueueHandler.class.php
index ff22fe0ea7..dedd7dd656 100644
--- a/wcfsetup/install/files/lib/system/background/BackgroundQueueHandler.class.php
+++ b/wcfsetup/install/files/lib/system/background/BackgroundQueueHandler.class.php
@@ -1,5 +1,6 @@
 <?php
 namespace wcf\system\background;
+use wcf\data\user\User;
 use wcf\system\background\job\AbstractBackgroundJob;
 use wcf\system\exception\LoggedException;
 use wcf\system\exception\SystemException;
@@ -85,7 +86,10 @@ class BackgroundQueueHandler extends SingletonFactory {
 	 * @param	\wcf\system\background\job\AbstractBackgroundJob	$job	The job to perform.
 	 */
 	public function performJob(AbstractBackgroundJob $job) {
+		$user = WCF::getUser();
+		
 		try {
+			SessionHandler::getInstance()->changeUser(new User(null), true);
 			$job->perform();
 		}
 		catch (\Exception $e) {
@@ -100,6 +104,9 @@ class BackgroundQueueHandler extends SingletonFactory {
 				if ($e instanceof LoggedException) $e->getExceptionID();
 			}
 		}
+		finally {
+			SessionHandler::getInstance()->changeUser($user, true);
+		}
 	}
 	
 	/**
-- 
2.20.1