Key      string
	ETag     string
	Location string
}

// returns "https" if the tls boolean is true, "http" otherwise.
func getURLScheme(tls bool) string {
	if tls {
		return httpsScheme
	}
	return httpScheme
}

// getObjectLocation gets the fully qualified URL of an object.
func getObjectLocation(r *http.Request, domains []string, bucket, object string) string {
	// unit tests do not have host set.