From 6b2612690bb3e80d767029b9f6a8ab9b34977811 Mon Sep 17 00:00:00 2001
From: chrislu <chris.lu@gmail.com>
Date: Wed, 20 Nov 2024 23:11:16 -0800
Subject: [PATCH] consistent error message if auth is not setup

fix https://github.com/seaweedfs/seaweedfs/issues/6262
---
 weed/s3api/s3api_object_handlers_multipart.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/weed/s3api/s3api_object_handlers_multipart.go b/weed/s3api/s3api_object_handlers_multipart.go
index 6fecdcf2d..8a274d72c 100644
--- a/weed/s3api/s3api_object_handlers_multipart.go
+++ b/weed/s3api/s3api_object_handlers_multipart.go
@@ -228,8 +228,8 @@ func (s3a *S3ApiServer) PutObjectPartHandler(w http.ResponseWriter, r *http.Requ
 	}
 
 	dataReader := r.Body
+	rAuthType := getRequestAuthType(r)
 	if s3a.iam.isEnabled() {
-		rAuthType := getRequestAuthType(r)
 		var s3ErrCode s3err.ErrorCode
 		switch rAuthType {
 		case authTypeStreamingSigned:
@@ -243,6 +243,11 @@ func (s3a *S3ApiServer) PutObjectPartHandler(w http.ResponseWriter, r *http.Requ
 			s3err.WriteErrorResponse(w, r, s3ErrCode)
 			return
 		}
+	} else {
+		if authTypeStreamingSigned == rAuthType {
+			s3err.WriteErrorResponse(w, r, s3err.ErrAuthNotSetup)
+			return
+		}
 	}
 	defer dataReader.Close()