From b265d65e11f843f42fdb82612407220974961951 Mon Sep 17 00:00:00 2001
From: Cory McWilliams <cory@unprompted.com>
Date: Sat, 23 Apr 2016 18:17:55 +0000
Subject: [PATCH] I only support websockets protocol version 13.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3215 ed5197a5-7fde-0310-b194-c3ffbd925b24
---
 core/httpd.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/core/httpd.js b/core/httpd.js
index 7fc1cc7f..fdbcb647 100644
--- a/core/httpd.js
+++ b/core/httpd.js
@@ -285,11 +285,15 @@ function handleWebSocketRequest(request, response, client) {
 		logError(client.peerName + " - - [" + new Date() + "] " + error);
 	});
 
-	response.writeHead(101, {
+	let headers = {
 		"Upgrade": "websocket",
 		"Connection": "Upgrade",
 		"Sec-WebSocket-Accept": webSocketAcceptResponse(request.headers["sec-websocket-key"]),
-	});
+	};
+	if (request.headers["sec-websocket-version"] != "13") {
+		headers["Sec-WebSocket-Version"] = "13";
+	}
+	response.writeHead(101, headers);
 }
 
 function webSocketAcceptResponse(key) {