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TUN-3406: Proxy websocket requests over Go http2

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cthuang
2020-09-21 09:45:51 +01:00
parent 8d7b2575ba
commit cb39f26f27
2 changed files with 63 additions and 21 deletions
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4
h2mux/header.go
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@@ -124,7 +124,7 @@ func IsControlHeader(headerName string) bool {
}
// isWebsocketClientHeader returns true if the header name is required by the client to upgrade properly
func isWebsocketClientHeader(headerName string) bool {
func IsWebsocketClientHeader(headerName string) bool {
return headerName == "sec-websocket-accept" ||
headerName == "connection" ||
headerName == "upgrade"
@@ -143,7 +143,7 @@ func H1ResponseToH2ResponseHeaders(h1 *http.Response) (h2 []Header) {
// Since these are http2 headers, they're required to be lowercase
h2 = append(h2, Header{Name: "content-length", Value: values[0]})
} else if !IsControlHeader(h2name) || isWebsocketClientHeader(h2name) {
} else if !IsControlHeader(h2name) || IsWebsocketClientHeader(h2name) {
// User headers, on the other hand, must all be serialized so that
// HTTP/2 header validation won't be applied to HTTP/1 header values
userHeaders[header] = values