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caddyhttp: Impl ResponseWriter.Unwrap(), prep for Go 1.20's ResponseController (#5509)

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* feat: add support for ResponseWriter.Unwrap()

* cherry-pick Francis' code
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Kévin Dunglas 2023-04-27 01:44:01 +02:00 • committed by GitHub
parent 2b04e09fa7
commit 1c9ea0113d
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5
modules/caddyhttp/encode/encode.go
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@ -299,6 +299,11 @@ func (rw *responseWriter) Close() error {
return err
}
// Unwrap returns the underlying ResponseWriter.
func (rw *responseWriter) Unwrap() http.ResponseWriter {
return rw.HTTPInterfaces
}
// init should be called before we write a response, if rw.buf has contents.
func (rw *responseWriter) init() {
if rw.Header().Get("Content-Encoding") == "" && isEncodeAllowed(rw.Header()) &&