Method ServeHTTP

internal/httputil/httputil.go:105–113

(rw http.ResponseWriter, req *http.Request)

)

func (p *PrefixHandler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
	if !strings.HasPrefix(req.URL.Path, p.Prefix) {
		http.Error(rw, "Inconfigured PrefixHandler", 500)
		return
	}
	req.Header.Set(PathBaseHeader, p.Prefix)
	req.Header.Set(PathSuffixHeader, strings.TrimPrefix(req.URL.Path, p.Prefix))
	p.Handler.ServeHTTP(rw, req)
}

// PathBase returns a Request's base path, if it went via a PrefixHandler.
func PathBase(req *http.Request) string { return req.Header.Get(PathBaseHeader) }