Function NoCache

utils/http.go:62–77

NoCache sets no cache headers and removes any ETag headers that may have been set.

(h http.Handler)

// NoCache sets no cache headers and removes any ETag headers that may have been set.
func NoCache(h http.Handler) http.Handler {
	fn := func(w http.ResponseWriter, r *http.Request) {
		for _, v := range etagHeaders {
			if r.Header.Get(v) != "" {
				r.Header.Del(v)
			}
		}

		for k, v := range noCacheHeaders {
			w.Header().Set(k, v)
		}

		h.ServeHTTP(w, r)
	}
	return http.HandlerFunc(fn)
}

// responseWriter is the wrapper over http.ResponseWriter to store status code. Unfortunately from built in
// http.ResponseWriter we cannot get status code.