From bdba3da2e4c1c498dc26b811fe5a1bc9e1e8f925 Mon Sep 17 00:00:00 2001
From: famosss <zzq09494@ly.com>
Date: Mon, 22 Aug 2022 23:21:38 +0800
Subject: [PATCH] Handle preflight cors requests (#3481)

---
 weed/s3api/s3api_server.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/weed/s3api/s3api_server.go b/weed/s3api/s3api_server.go
index 0fc6af4f6..01bc102a1 100644
--- a/weed/s3api/s3api_server.go
+++ b/weed/s3api/s3api_server.go
@@ -87,6 +87,13 @@ func (s3a *S3ApiServer) registerRouter(router *mux.Router) {
 	// Readiness Probe
 	apiRouter.Methods("GET").Path("/status").HandlerFunc(s3a.StatusHandler)
 
+	apiRouter.Methods("OPTIONS").HandlerFunc(
+		func(w http.ResponseWriter, r *http.Request){
+			w.Header().Set("Access-Control-Allow-Origin", "*")
+			w.Header().Set("Access-Control-Allow-Credentials", "true")
+			writeSuccessResponseEmpty(w, r)
+		})
+
 	var routers []*mux.Router
 	if s3a.option.DomainName != "" {
 		domainNames := strings.Split(s3a.option.DomainName, ",")