From 6d2691c3e259d9eb9a700cc6ee9bd54081d44799 Mon Sep 17 00:00:00 2001
From: jb-oclock <jb@oclock.io>
Date: Wed, 5 Jul 2023 13:43:47 +0200
Subject: [PATCH] add check for bad basePath

---
 AltoRouter.php | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/AltoRouter.php b/AltoRouter.php
index 31aa338..d41e54c 100644
--- a/AltoRouter.php
+++ b/AltoRouter.php
@@ -196,6 +196,14 @@ public function match($requestUrl = null, $requestMethod = null)
             $requestUrl = isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : '/';
         }
 
+        // check if basePath is in requestUrl 
+        // exemple of problem : space in basePath will be replace be %20 in requestUrl
+        // so next check substr() will not work
+        if (strpos($requestUrl, $this->basePath) !== 0 ){
+            throw new Exception("Error Processing Request : requestUrl is not starting with basePath. Do you forget to use setBasePath() OR basePath contains illegal characters", 1);
+        }
+
+
         // strip base path from request url
         $requestUrl = substr($requestUrl, strlen($this->basePath));