From 2263c7fd0e144ef567d11c4275685dc56373f85a Mon Sep 17 00:00:00 2001
From: LittleDevil <38343763+cuteLittleDevil@users.noreply.github.com>
Date: Thu, 31 Aug 2023 15:30:18 +0800
Subject: [PATCH] =?UTF-8?q?[fix]=20=E4=BF=AE=E6=94=B9=E6=98=AF=E5=90=A6?=
 =?UTF-8?q?=E5=8D=87=E7=BA=A7=E6=88=90websocket=E5=88=A4=E6=96=AD=20?=
 =?UTF-8?q?=E5=85=BC=E5=AE=B9=E7=81=AB=E7=8B=90=E6=B5=8F=E8=A7=88=E5=99=A8?=
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火狐浏览器ws请求时 Connection = [keep-alive, Upgrade]
目前是根据RFC 6455标准例子判断Connection=Upgrade
会导致火狐浏览器ws升级失败
根据RFC 2616修改为Connection包含Upgrade即可
---
 pkg/logic/http_server_handler.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkg/logic/http_server_handler.go b/pkg/logic/http_server_handler.go
index 98c38b2..df609ff 100644
--- a/pkg/logic/http_server_handler.go
+++ b/pkg/logic/http_server_handler.go
@@ -61,7 +61,8 @@ func (h *HttpServerHandler) ServeSubSession(writer http.ResponseWriter, req *htt
 		isWebSocket  bool
 		webSocketKey string
 	)
-	if req.Header.Get("Connection") == "Upgrade" && req.Header.Get("Upgrade") == "websocket" {
+	// 火狐浏览器 Connection = [keep-alive, Upgrade]
+	if strings.Contains(req.Header.Get("Connection"), "Upgrade") && req.Header.Get("Upgrade") == "websocket" {
 		isWebSocket = true
 		webSocketKey = req.Header.Get("Sec-WebSocket-Key")
 	}