Merge pull request #713 from 5an1ty/patch-1

proxy: Allow mixed case Upgrade headers (WebSocket fix)

Merge pull request #713 from 5an1ty/patch-1
proxy: Allow mixed case Upgrade headers (WebSocket fix)
3d066789 · Matt Holt · 462128cd · 1a9f7002 · 3d066789
Commit 3d066789 authored Apr 03, 2016 by Matt Holt
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middleware/proxy/reverseproxy.go middleware/proxy/reverseproxy.go +1 -1

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--- a/middleware/proxy/reverseproxy.go
+++ b/middleware/proxy/reverseproxy.go
@@ -207,7 +207,7 @@ func (p *ReverseProxy) ServeHTTP(rw http.ResponseWriter, req *http.Request, extr
 		return err
 	}
-	if res.StatusCode == http.StatusSwitchingProtocols && res.Header.Get("Upgrade") == "websocket" {
+	if res.StatusCode == http.StatusSwitchingProtocols && strings.ToLower(res.Header.Get("Upgrade")) == "websocket" {
 		res.Body.Close()
 		hj, ok := rw.(http.Hijacker)
 		if !ok {