From a7e9ac2cf2e1adb31577b130feecd21e8fc006b2 Mon Sep 17 00:00:00 2001
From: Sarjuuk <junkdump@gmx.net>
Date: Mon, 6 Oct 2025 17:16:41 +0200
Subject: [PATCH] Misc/Fixup  * HTTP_USER_AGENT is not guaranteed to be set

---
 includes/user.class.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/includes/user.class.php b/includes/user.class.php
index e310239f..cfa8673a 100644
--- a/includes/user.class.php
+++ b/includes/user.class.php
@@ -43,7 +43,7 @@ class User
             $_SESSION['dataKey'] = Util::createHash();      // just some random numbers for identification purpose
 
         self::$dataKey = $_SESSION['dataKey'];
-        self::$agent   = $_SERVER['HTTP_USER_AGENT'];
+        self::$agent   = $_SERVER['HTTP_USER_AGENT'] ?? '';
 
         if (!self::$ip)
             return false;