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Make Upgrade header check for websockets case insensitive, closes #228

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This commit is contained in:
Philipp Heckel
2022-04-29 13:23:04 -04:00
parent 28bb8d4446
commit edfed24c27
3 changed files with 39 additions and 24 deletions
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server/server.go
+1 -1
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@@ -739,7 +739,7 @@ func (s *Server) handleSubscribeHTTP(w http.ResponseWriter, r *http.Request, v *
}
func (s *Server) handleSubscribeWS(w http.ResponseWriter, r *http.Request, v *visitor) error {
if r.Header.Get("Upgrade") != "websocket" {
if strings.ToLower(r.Header.Get("Upgrade")) != "websocket" {
return errHTTPBadRequestWebSocketsUpgradeHeaderMissing
}
if err := v.SubscriptionAllowed(); err != nil {