frontend/hsts.go

// Copyright 2016 The Go Authors.  All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package main

import "net/http"

// hstsHandler wraps an http.HandlerFunc such that it sets the HSTS header.
func hstsHandler(fn http.HandlerFunc) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Strict-Transport-Security", "max-age=31536000; preload")
		fn(w, r)
	})
}