2015-06-11 23:22:44 +02:00
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using MediaBrowser.Common;
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2015-06-04 22:27:46 +02:00
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using MediaBrowser.Common.Configuration;
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2014-08-25 05:54:45 +02:00
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using MediaBrowser.Common.Net;
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using MediaBrowser.Controller.Connect;
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using MediaBrowser.Controller.Plugins;
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using MediaBrowser.Model.Logging;
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2015-06-03 05:16:39 +02:00
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using MediaBrowser.Model.Net;
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2014-08-25 05:54:45 +02:00
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using System;
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using System.IO;
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using System.Net;
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using System.Text;
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using System.Threading;
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2016-01-02 22:54:37 +01:00
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using System.Threading.Tasks;
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2015-10-04 06:23:11 +02:00
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using CommonIO;
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2015-09-14 01:07:54 +02:00
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using MediaBrowser.Common.IO;
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2014-08-25 05:54:45 +02:00
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namespace MediaBrowser.Server.Implementations.Connect
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{
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public class ConnectEntryPoint : IServerEntryPoint
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{
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private Timer _timer;
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private readonly IHttpClient _httpClient;
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private readonly IApplicationPaths _appPaths;
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private readonly ILogger _logger;
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private readonly IConnectManager _connectManager;
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private readonly INetworkManager _networkManager;
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private readonly IApplicationHost _appHost;
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private readonly IFileSystem _fileSystem;
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2015-09-14 01:07:54 +02:00
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public ConnectEntryPoint(IHttpClient httpClient, IApplicationPaths appPaths, ILogger logger, INetworkManager networkManager, IConnectManager connectManager, IApplicationHost appHost, IFileSystem fileSystem)
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{
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_httpClient = httpClient;
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_appPaths = appPaths;
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_logger = logger;
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_networkManager = networkManager;
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_connectManager = connectManager;
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2015-06-11 23:22:44 +02:00
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_appHost = appHost;
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_fileSystem = fileSystem;
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}
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public void Run()
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{
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Task.Run(() => LoadCachedAddress());
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2014-08-25 05:54:45 +02:00
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2016-01-09 02:52:11 +01:00
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_timer = new Timer(TimerCallback, null, TimeSpan.FromSeconds(5), TimeSpan.FromHours(3));
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2014-08-25 05:54:45 +02:00
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}
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2015-08-28 06:19:08 +02:00
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private readonly string[] _ipLookups = { "http://bot.whatismyipaddress.com", "https://connect.emby.media/service/ip" };
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2014-08-25 05:54:45 +02:00
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private async void TimerCallback(object state)
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{
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var index = 0;
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2015-06-04 22:27:46 +02:00
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foreach (var ipLookupUrl in _ipLookups)
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{
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try
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{
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// Sometimes whatismyipaddress might fail, but it won't do us any good having users raise alarms over it.
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var logErrors = index > 0;
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#if DEBUG
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logErrors = true;
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#endif
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using (var stream = await _httpClient.Get(new HttpRequestOptions
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{
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Url = ipLookupUrl,
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UserAgent = "Emby/" + _appHost.ApplicationVersion,
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LogErrors = logErrors
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}).ConfigureAwait(false))
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{
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using (var reader = new StreamReader(stream))
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{
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var address = await reader.ReadToEndAsync().ConfigureAwait(false);
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if (IsValid(address, ipLookupUrl))
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{
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((ConnectManager)_connectManager).OnWanAddressResolved(address);
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CacheAddress(address);
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return;
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}
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2014-08-25 05:54:45 +02:00
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}
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}
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}
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catch (HttpException)
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{
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}
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catch (Exception ex)
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{
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_logger.ErrorException("Error getting connection info", ex);
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}
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index++;
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}
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}
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private string CacheFilePath
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{
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get { return Path.Combine(_appPaths.DataPath, "wan.txt"); }
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}
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private void CacheAddress(string address)
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{
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var path = CacheFilePath;
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try
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{
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_fileSystem.CreateDirectory(Path.GetDirectoryName(path));
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_fileSystem.WriteAllText(path, address, Encoding.UTF8);
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}
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catch (Exception ex)
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{
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_logger.ErrorException("Error saving data", ex);
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}
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}
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private void LoadCachedAddress()
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{
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var path = CacheFilePath;
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try
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{
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var endpoint = _fileSystem.ReadAllText(path, Encoding.UTF8);
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2015-10-25 19:34:31 +01:00
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if (IsValid(endpoint, "cache"))
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2014-08-25 05:54:45 +02:00
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{
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((ConnectManager)_connectManager).OnWanAddressResolved(endpoint);
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}
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}
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catch (IOException)
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{
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// File isn't there. no biggie
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}
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catch (Exception ex)
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{
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_logger.ErrorException("Error loading data", ex);
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}
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}
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2015-10-25 19:34:31 +01:00
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private bool IsValid(string address, string source)
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{
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IPAddress ipAddress;
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2015-06-04 06:50:10 +02:00
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var valid = IPAddress.TryParse(address, out ipAddress);
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if (!valid)
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{
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2015-10-25 19:34:31 +01:00
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_logger.Error("{0} is not a valid ip address. Source: {1}", address, source);
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2015-06-04 06:50:10 +02:00
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}
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return valid;
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2014-08-25 05:54:45 +02:00
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}
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public void Dispose()
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{
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if (_timer != null)
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{
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_timer.Dispose();
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_timer = null;
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}
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}
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}
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}
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