chrome/browser/media/router/discovery/dial/dial_device_data.cc

// Copyright (c) 2012 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 "chrome/browser/media/router/discovery/dial/dial_device_data.h"
#include "net/base/ip_address.h"

namespace media_router {

DialDeviceData::DialDeviceData() : max_age_(-1), config_id_(-1) {}

DialDeviceData::DialDeviceData(const std::string& device_id,
                               const GURL& device_description_url,
                               const base::Time& response_time)
    : device_id_(device_id),
      device_description_url_(device_description_url),
      response_time_(response_time),
      max_age_(-1),
      config_id_(-1) {}

DialDeviceData::DialDeviceData(const DialDeviceData& other) = default;

DialDeviceData::~DialDeviceData() {}

const GURL& DialDeviceData::device_description_url() const {
  return device_description_url_;
}

void DialDeviceData::set_device_description_url(const GURL& url) {
  device_description_url_ = url;
}

// static
bool DialDeviceData::IsDeviceDescriptionUrl(const GURL& url) {
  if (!url.is_valid() || url.is_empty() || !url.SchemeIsHTTPOrHTTPS())
    return false;

  net::IPAddress address;
  if (!net::ParseURLHostnameToAddress(url.host(), &address))
    return false;

  // TODO(crbug.com/679432): check that this IP address matches the address that
  // we received the SSDP advertisement from.
  return !address.IsPubliclyRoutable();
}

// static
bool DialDeviceData::IsValidDialAppUrl(
    const GURL& url,
    const net::IPAddress& expected_ip_address) {
  if (!url.is_valid() || !url.SchemeIsHTTPOrHTTPS())
    return false;

  net::IPAddress host_ip;
  return host_ip.AssignFromIPLiteral(url.HostNoBracketsPiece()) &&
         host_ip.IsValid() && host_ip == expected_ip_address;
}

bool DialDeviceData::UpdateFrom(const DialDeviceData& new_data) {
  DCHECK(new_data.device_id() == device_id_);
  DCHECK(new_data.label().empty());
  std::string label_tmp(label_);
  bool updated_api_visible_field =
      (new_data.device_description_url() != device_description_url_) ||
      (new_data.config_id() != config_id_);
  *this = new_data;
  label_ = label_tmp;
  return updated_api_visible_field;
}

DialDeviceDescriptionData::DialDeviceDescriptionData(
    const std::string& device_description,
    const GURL& app_url)
    : device_description(device_description), app_url(app_url) {}

}  // namespace media_router