From 27b7aaa7130eb85636d2e2c109698ec618dcb740 Mon Sep 17 00:00:00 2001
From: XhmikosR <xhmikosr@gmail.com>
Date: Mon, 14 Apr 2025 08:45:34 +0300
Subject: [PATCH] header: fix runtime error when query_string is null

Signed-off-by: XhmikosR <xhmikosr@gmail.com>
---
 scripts/lua/header.lp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/scripts/lua/header.lp b/scripts/lua/header.lp
index 46334395..a2cfa6b3 100644
--- a/scripts/lua/header.lp
+++ b/scripts/lua/header.lp
@@ -25,6 +25,10 @@ end
 
 -- Function returning GET parameter value (or nil if not set)
 function GET(name)
+    if not mg.request_info.query_string then
+        return nil
+    end
+
     return mg.request_info.query_string:match(name.."=([^&]*)")
     -- mg.get_var(mg.request_info.query_string, "REQUEST_URI")
 end