From e3d178c24fc66a5574fba829a2d208ca740988ca Mon Sep 17 00:00:00 2001
From: Mario Costa <mario.costa@zooxsmart.com>
Date: Sat, 23 Oct 2021 23:40:32 -0300
Subject: [PATCH] Prevent exception when using filesystem cache and clients ip
 as storage key

---
 src/RateLimitMiddleware.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/RateLimitMiddleware.php b/src/RateLimitMiddleware.php
index de2bc74..128fe3e 100644
--- a/src/RateLimitMiddleware.php
+++ b/src/RateLimitMiddleware.php
@@ -21,6 +21,7 @@
 use function explode;
 use function filter_var;
 use function is_array;
+use function str_replace;
 use function time;
 
 class RateLimitMiddleware implements MiddlewareInterface
@@ -72,6 +73,8 @@ public function process(ServerRequestInterface $request, RequestHandlerInterface
             if (empty($key)) {
                 throw new MissingRequirement('Could not detect the client IP');
             }
+
+            $key = str_replace('.', '-', $key);
         }
 
         $data = $this->storage->get($key);