From 8b34f07bb000a16b60b119ee24f5c0b4a5f7f937 Mon Sep 17 00:00:00 2001
From: Luca Casonato <hello@lcas.dev>
Date: Thu, 22 Jul 2021 14:28:55 +0200
Subject: fix(http/ws): case insensitive connection header (#11489)

The "connection" header should be case insensitive:
https://datatracker.ietf.org/doc/html/rfc7230#section-6.1
---
 extensions/http/01_http.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'extensions/http')

diff --git a/extensions/http/01_http.js b/extensions/http/01_http.js
index 4bcdf1f07..e0f221ce0 100644
--- a/extensions/http/01_http.js
+++ b/extensions/http/01_http.js
@@ -321,7 +321,7 @@
       );
     }
 
-    if (request.headers.get("connection") !== "Upgrade") {
+    if (request.headers.get("connection")?.toLowerCase() !== "upgrade") {
       throw new TypeError(
         "Invalid Header: 'connection' header must be 'Upgrade'",
       );
-- 
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