using MediaBrowser.Common.Configuration; using MediaBrowser.Common.Net; using MediaBrowser.Controller.Connect; using MediaBrowser.Controller.Plugins; using MediaBrowser.Model.Logging; using MediaBrowser.Model.Net; using System; using System.IO; using System.Net; using System.Text; using System.Threading; namespace MediaBrowser.Server.Implementations.Connect { public class ConnectEntryPoint : IServerEntryPoint { private Timer _timer; private readonly IHttpClient _httpClient; private readonly IApplicationPaths _appPaths; private readonly ILogger _logger; private readonly IConnectManager _connectManager; private readonly INetworkManager _networkManager; public ConnectEntryPoint(IHttpClient httpClient, IApplicationPaths appPaths, ILogger logger, INetworkManager networkManager, IConnectManager connectManager) { _httpClient = httpClient; _appPaths = appPaths; _logger = logger; _networkManager = networkManager; _connectManager = connectManager; } public void Run() { LoadCachedAddress(); _timer = new Timer(TimerCallback, null, TimeSpan.FromSeconds(5), TimeSpan.FromHours(3)); } private async void TimerCallback(object state) { try { using (var stream = await _httpClient.Get(new HttpRequestOptions { Url = "http://bot.whatismyipaddress.com/" }).ConfigureAwait(false)) { using (var reader = new StreamReader(stream)) { var address = await reader.ReadToEndAsync().ConfigureAwait(false); if (IsValid(address)) { ((ConnectManager) _connectManager).OnWanAddressResolved(address); CacheAddress(address); } } } } catch (HttpException) { } catch (Exception ex) { _logger.ErrorException("Error getting connection info", ex); } } private string CacheFilePath { get { return Path.Combine(_appPaths.DataPath, "wan.txt"); } } private void CacheAddress(string address) { var path = CacheFilePath; try { Directory.CreateDirectory(Path.GetDirectoryName(path)); File.WriteAllText(path, address, Encoding.UTF8); } catch (Exception ex) { _logger.ErrorException("Error saving data", ex); } } private void LoadCachedAddress() { var path = CacheFilePath; try { var endpoint = File.ReadAllText(path, Encoding.UTF8); if (IsValid(endpoint)) { ((ConnectManager)_connectManager).OnWanAddressResolved(endpoint); } } catch (IOException) { // File isn't there. no biggie } catch (Exception ex) { _logger.ErrorException("Error loading data", ex); } } private bool IsValid(string address) { IPAddress ipAddress; return IPAddress.TryParse(address, out ipAddress); } public void Dispose() { if (_timer != null) { _timer.Dispose(); _timer = null; } } } }