From f05e19348d21c96455adb305328acc7cbfa0f26a Mon Sep 17 00:00:00 2001
From: =?utf8?q?Thomas=20M=C3=BCller?= <thomas.mueller@tmit.eu>
Date: Thu, 9 Apr 2015 23:47:24 +0200
Subject: [PATCH] Fix single user check in case no user is logged in

---
 lib/base.php | 32 +++++++++++++++++++-------------
 1 file changed, 19 insertions(+), 13 deletions(-)

diff --git a/lib/base.php b/lib/base.php
index be397e52449..02b55458f1f 100644
--- a/lib/base.php
+++ b/lib/base.php
@@ -294,27 +294,33 @@ class OC {
 			header('Retry-After: 120');
 
 			// render error page
-			$tmpl = new OC_Template('', 'update.user', 'guest');
+			$template = new OC_Template('', 'update.user', 'guest');
 			OC_Util::addscript('maintenance-check');
-			$tmpl->printPage();
+			$template->printPage();
 			die();
 		}
 	}
 
 	public static function checkSingleUserMode() {
+		if (!\OC::$server->getSystemConfig()->getValue('singleuser', false)) {
+			return;
+		}
 		$user = OC_User::getUserSession()->getUser();
-		$group = OC_Group::getManager()->get('admin');
-		if ($user && \OC::$server->getSystemConfig()->getValue('singleuser', false) && !$group->inGroup($user)) {
-			// send http status 503
-			header('HTTP/1.1 503 Service Temporarily Unavailable');
-			header('Status: 503 Service Temporarily Unavailable');
-			header('Retry-After: 120');
-
-			// render error page
-			$tmpl = new OC_Template('', 'singleuser.user', 'guest');
-			$tmpl->printPage();
-			die();
+		if ($user) {
+			$group = \OC::$server->getGroupManager()->get('admin');
+			if ($group->inGroup($user)) {
+				return;
+			}
 		}
+		// send http status 503
+		header('HTTP/1.1 503 Service Temporarily Unavailable');
+		header('Status: 503 Service Temporarily Unavailable');
+		header('Retry-After: 120');
+
+		// render error page
+		$template = new OC_Template('', 'singleuser.user', 'guest');
+		$template->printPage();
+		die();
 	}
 
 	/**
-- 
2.39.5