From 2765cfb2d0ac897ccca06b4de4448594ff13d528 Mon Sep 17 00:00:00 2001
From: Hani Rouatbi <23016064+hanirouatbi1@users.noreply.github.com>
Date: Sat, 27 Aug 2022 15:40:31 +0100
Subject: [PATCH] Update do.php

return false if user is guest
---
 do.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/do.php b/do.php
index ce6e485..76dbdef 100755
--- a/do.php
+++ b/do.php
@@ -92,7 +92,7 @@ if (ig('id') || ig('filename'))
         $name                 = strlen($name)                                        > 70 ? substr($name, 0, 70) . '...' : $name;
         $fusername            = $config['user_system'] == 1 && $file_info['fuserid'] > -1 ? $file_info['fusername'] : false;
         $userfolder           = $config['siteurl'] . ($config['mod_writer'] ? 'fileuser-' . $file_info['fuserid'] . '.html' : 'ucp.php?go=fileuser&amp;id=' . $file_info['fuserid']);
-        $isFileOwnerOfFounder = $fusername == $usrcp->name() && $usrcp->name() || $usrcp->get_data('founder')['founder'] == 1;
+        $isFileOwnerOfFounder = ($fusername == $usrcp->name() && $usrcp->name()) || ($usrcp->id() < 1 ? false : $usrcp->get_data('founder')['founder'] == 1);
 
         if (ip('change_file_about') &&  $isFileOwnerOfFounder)
         {