From c60e3e3276de1b0bd55c77110b5bf00a411bf9a0 Mon Sep 17 00:00:00 2001
From: Bart de Water <118401830+bdewater-thatch@users.noreply.github.com>
Date: Thu, 16 Oct 2025 12:43:43 -0400
Subject: [PATCH] Inherit Request class from ActionDispatch if available

---
 lib/rack/attack/request.rb | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/rack/attack/request.rb b/lib/rack/attack/request.rb
index 1cac479d..43de43d1 100644
--- a/lib/rack/attack/request.rb
+++ b/lib/rack/attack/request.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
-# Rack::Attack::Request is the same as ::Rack::Request by default.
+# Rack::Attack::Request is the same as :ActionDispatch::Request in Rails apps,
+# and ::Rack::Request in other apps by default.
 #
 # This is a safe place to add custom helper methods to the request object
 # through monkey patching:
@@ -15,7 +16,7 @@
 #
 module Rack
   class Attack
-    class Request < ::Rack::Request
+    class Request < defined?(::ActionDispatch::Request) ? ::ActionDispatch::Request : ::Rack::Request
     end
   end
 end