From deac5ad2fe303449a7dc4e442f6f07c32f6f0c14 Mon Sep 17 00:00:00 2001
From: Vincent Simon <vincent@simon.vg>
Date: Sun, 20 Mar 2022 22:05:28 +0100
Subject: [PATCH] [Web] Fix resource.php and /cache/ warning message

If http://mail.example.tld/cache/ or http://mail.example.tld/resource.php are called without the required parameters it returns one or two warnings
---
 data/web/resource.php | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/data/web/resource.php b/data/web/resource.php
index 96d41c1a..1f35afa3 100644
--- a/data/web/resource.php
+++ b/data/web/resource.php
@@ -1,6 +1,15 @@
 <?php
 
+if (!isset($_GET['file']) ) {
+    http_response_code(404);
+    exit;
+}
 $pathinfo = pathinfo($_GET['file']);
+
+if (!array_key_exists('extension', $pathinfo)) {
+    http_response_code(404);
+    exit;
+}
 $extension = strtolower($pathinfo['extension']);
 
 $filepath = '/tmp/' . $pathinfo['basename'];