From cfa96d57158c17805d2f820a4de6156c2b293164 Mon Sep 17 00:00:00 2001
From: 1157987916 <42087738+1157987916@users.noreply.github.com>
Date: Tue, 29 Dec 2020 16:21:03 +0800
Subject: [PATCH] update Sec-Websocket-Accept header

when using more than one wss proxy ,need add Sec-Websocket-Accept header
---
 websocketproxy.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/websocketproxy.go b/websocketproxy.go
index 63d39ba..9961dad 100644
--- a/websocketproxy.go
+++ b/websocketproxy.go
@@ -165,6 +165,9 @@ func (w *WebsocketProxy) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
 	if hdr := resp.Header.Get("Set-Cookie"); hdr != "" {
 		upgradeHeader.Set("Set-Cookie", hdr)
 	}
+	if hdr := resp.Header.Get("Sec-Websocket-Accept"); hdr != "" {
+		upgradeHeader.Set("Sec-Websocket-Accept", hdr)
+	}
 
 	// Now upgrade the existing incoming request to a WebSocket connection.
 	// Also pass the header that we gathered from the Dial handshake.