functions-post-12.go

type HTTPReverseProxy interface {
	Proxy(w http.ResponseWriter, r *http.Request)
}

type httpReverseProxy struct {
	proxyHTTP2RequestFn  func(http.ResponseWriter, *http.Request)
	proxyHTTP1xRequestFn func(http.ResponseWriter, *http.Request)
}

func NewHTTPReverseProxy() HTTPReverseProxy {
	return &httpReverseProxy{
		proxyHTTP2RequestFn:  defaultProxyHTTP2Request,
		proxyHTTP1xRequestFn: defaultProxyHTTP1xRequest,
	}
}

func (h *httpReverseProxy) Proxy(w http.ResponseWriter, r *http.Request) {
	if r.ProtoMajor == 2 {
		h.proxyHTTP2RequestFn(w, r)
	} else {
		h.proxyHTTP1xRequestFn(w, r)
	}
}

func defaultProxyHTTP2Request(w http.ResponseWriter, r *http.Request) {
	// Handle HTTP/2 requests
	// ...
}

func defaultProxyHTTP1xRequest(w http.ResponseWriter, r *http.Request) {
	// Handle HTTP/1.x requests
	// ...
}