third_party/blink/common/loader/network_utils.cc

// Copyright 2020 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/blink/public/common/loader/network_utils.h"

namespace blink {
namespace network_utils {

bool AlwaysAccessNetwork(
    const scoped_refptr<net::HttpResponseHeaders>& headers) {
  if (!headers)
    return false;

  // RFC 2616, section 14.9.
  return headers->HasHeaderValue("cache-control", "no-cache") ||
         headers->HasHeaderValue("cache-control", "no-store") ||
         headers->HasHeaderValue("pragma", "no-cache") ||
         headers->HasHeaderValue("vary", "*");
}

}  // namespace network_utils
}  // namespace blink