From 092b99fb7964ba15d7f20119ef7bd51ca1f2675f Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Thu, 15 Feb 2018 13:23:57 +0100
Subject: [inc/User] getAllowedLocations(): Support cross-module checking

---
 inc/user.inc.php | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/inc/user.inc.php b/inc/user.inc.php
index eee4f883..79facffc 100644
--- a/inc/user.inc.php
+++ b/inc/user.inc.php
@@ -68,8 +68,12 @@ class User
 		if (!self::isLoggedIn())
 			return [];
 		if (Module::isAvailable("permissionmanager")) {
-			$module = Page::getModule();
-			$permission = $module ? $module->getIdentifier().".".$permission : $permission;
+			if ($permission{0} === '.') {
+				$permission = substr($permission, 1);
+			} else {
+				$module = Page::getModule();
+				$permission = $module ? $module->getIdentifier() . "." . $permission : $permission;
+			}
 			return PermissionUtil::getAllowedLocations(self::$user['userid'], $permission);
 		}
 		if (self::$user['permissions'] & Permission::get('superadmin')) {
-- 
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