X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FBaseModule.php;h=19b58ad06683f8413ae6a2385b69d42909a81c24;hb=7c138dd15c0c28a480f06feaedfa09916ba8461f;hp=ce7774bfd09a634b0b53d7a54d5c14fc74dd6cdc;hpb=5e0b4b8a8f39f28fcfc2812e66223d95c92431a0;p=friendica.git

diff --git a/src/BaseModule.php b/src/BaseModule.php
index ce7774bfd0..19b58ad066 100644
--- a/src/BaseModule.php
+++ b/src/BaseModule.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * @copyright Copyright (C) 2020, Friendica
+ * @copyright Copyright (C) 2010-2021, the Friendica project
  *
  * @license GNU AGPL version 3 or any later version
  *
@@ -140,7 +140,7 @@ abstract class BaseModule
 			return false;
 		}
 
-		$sec_hash = hash('whirlpool', $a->user['guid'] . $a->user['prvkey'] . session_id() . $x[0] . $typename);
+		$sec_hash = hash('whirlpool', ($a->user['guid'] ?? '') . ($a->user['prvkey'] ?? '') . session_id() . $x[0] . $typename);
 
 		return ($sec_hash == $x[1]);
 	}