From c9a4a20141e53b24043505fcb56f3e62782db680 Mon Sep 17 00:00:00 2001
From: Rishita Shaw <rishitashaw49@gmail.com>
Date: Fri, 22 Nov 2024 21:31:50 +0530
Subject: [PATCH] fix: handle "request body too large" error using type
 assertion

---
 modules/caddyhttp/requestbody/requestbody.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/modules/caddyhttp/requestbody/requestbody.go b/modules/caddyhttp/requestbody/requestbody.go
index 1c804aa134a..a2c577091e4 100644
--- a/modules/caddyhttp/requestbody/requestbody.go
+++ b/modules/caddyhttp/requestbody/requestbody.go
@@ -94,8 +94,10 @@ type errorWrapper struct {
 
 func (ew errorWrapper) Read(p []byte) (n int, err error) {
 	n, err = ew.ReadCloser.Read(p)
-	if err != nil && err.Error() == "http: request body too large" {
-		err = caddyhttp.Error(http.StatusRequestEntityTooLarge, err)
+	if err != nil {
+		if _, ok := err.(*http.MaxBytesError); ok {
+			err = caddyhttp.Error(http.StatusRequestEntityTooLarge, err)
+		}
 	}
 	return
 }