From a0967135792d7f8d98f0104afee2252515455959 Mon Sep 17 00:00:00 2001
From: Micah Zoltu <micah@zoltu.net>
Date: Wed, 8 Mar 2017 17:10:15 -0800
Subject: [PATCH] Adds support for extended headers in CORS requests.

Fixes #3762.  Details about parameter: https://github.com/rs/cors/blob/a62a804a8a009876ca59105f7899938a1349f4b3/cors.go#L50-L54
---
 swarm/api/http/server.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/swarm/api/http/server.go b/swarm/api/http/server.go
index a616966780..ae113750ff 100644
--- a/swarm/api/http/server.go
+++ b/swarm/api/http/server.go
@@ -82,6 +82,7 @@ func StartHttpServer(api *api.Api, server *Server) {
 		AllowedOrigins: allowedOrigins,
 		AllowedMethods: []string{"POST", "GET", "DELETE", "PATCH", "PUT"},
 		MaxAge:         600,
+		AllowedHeaders: []string{"*"},
 	})
 	hdlr := c.Handler(serveMux)