From f000a9b2325767dee7d3a1ccda7984ab5d26c9ba Mon Sep 17 00:00:00 2001
From: oricgn <oliver@riesen.org>
Date: Tue, 27 Sep 2016 15:05:42 +0200
Subject: [PATCH] Redirect to index.php when there's no query string

Fixing #1000
---
 addon.php | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/addon.php b/addon.php
index e038459da..403650bfe 100644
--- a/addon.php
+++ b/addon.php
@@ -78,6 +78,14 @@
 
 require_once './common.php';
 
+// Search bots are trying to call this script without query string,
+// redirect to homepage.
+if (!$_GET && !$_POST && !$PHORUM['args']) {
+    header('HTTP/1.1 303 See Other');
+    header('Location: index.php');
+    exit;
+}
+
 // Bail out early if there are no modules enabled that implement
 // the addon hook.
 if (! isset($PHORUM["hooks"]["addon"])) trigger_error(