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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Net;
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using Newtonsoft.Json.Linq;
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using NLog;
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using NzbDrone.Common.Extensions;
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using NzbDrone.Core.Rest;
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using RestSharp;
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namespace NzbDrone.Core.Download.Clients.Deluge
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{
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public interface IDelugeProxy
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{
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string GetVersion(DelugeSettings settings);
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Dictionary<string, object> GetConfig(DelugeSettings settings);
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DelugeTorrent[] GetTorrents(DelugeSettings settings);
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DelugeTorrent[] GetTorrentsByLabel(string label, DelugeSettings settings);
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string[] GetAvailablePlugins(DelugeSettings settings);
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string[] GetEnabledPlugins(DelugeSettings settings);
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string[] GetAvailableLabels(DelugeSettings settings);
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void SetLabel(string hash, string label, DelugeSettings settings);
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void SetTorrentConfiguration(string hash, string key, object value, DelugeSettings settings);
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void SetTorrentSeedingConfiguration(string hash, TorrentSeedConfiguration seedConfiguration, DelugeSettings settings);
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void AddLabel(string label, DelugeSettings settings);
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string AddTorrentFromMagnet(string magnetLink, DelugeSettings settings);
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string AddTorrentFromFile(string filename, byte[] fileContent, DelugeSettings settings);
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bool RemoveTorrent(string hash, bool removeData, DelugeSettings settings);
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void MoveTorrentToTopInQueue(string hash, DelugeSettings settings);
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}
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public class DelugeProxy : IDelugeProxy
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{
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private static readonly string[] requiredProperties = new string[] { "hash", "name", "state", "progress", "eta", "message", "is_finished", "save_path", "total_size", "total_done", "time_added", "active_time", "ratio", "is_auto_managed", "stop_at_ratio", "remove_at_ratio", "stop_ratio" };
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private readonly Logger _logger;
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private string _authPassword;
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private CookieContainer _authCookieContainer;
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private static int _callId;
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public DelugeProxy(Logger logger)
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{
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_logger = logger;
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}
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public string GetVersion(DelugeSettings settings)
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{
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var response = ProcessRequest<string>(settings, "daemon.info");
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return response.Result;
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}
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public Dictionary<string, object> GetConfig(DelugeSettings settings)
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{
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var response = ProcessRequest<Dictionary<string, object>>(settings, "core.get_config");
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return response.Result;
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}
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public DelugeTorrent[] GetTorrents(DelugeSettings settings)
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{
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var filter = new Dictionary<string, object>();
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// TODO: get_torrents_status returns the files as well, which starts to cause deluge timeouts when you get enough season packs.
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//var response = ProcessRequest<Dictionary<String, DelugeTorrent>>(settings, "core.get_torrents_status", filter, new String[0]);
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var response = ProcessRequest<DelugeUpdateUIResult>(settings, "web.update_ui", requiredProperties, filter);
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return GetTorrents(response.Result);
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}
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public DelugeTorrent[] GetTorrentsByLabel(string label, DelugeSettings settings)
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{
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var filter = new Dictionary<string, object>();
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filter.Add("label", label);
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//var response = ProcessRequest<Dictionary<String, DelugeTorrent>>(settings, "core.get_torrents_status", filter, new String[0]);
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var response = ProcessRequest<DelugeUpdateUIResult>(settings, "web.update_ui", requiredProperties, filter);
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return GetTorrents(response.Result);
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}
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public string AddTorrentFromMagnet(string magnetLink, DelugeSettings settings)
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{
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var response = ProcessRequest<string>(settings, "core.add_torrent_magnet", magnetLink, new JObject());
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return response.Result;
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}
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public string AddTorrentFromFile(string filename, byte[] fileContent, DelugeSettings settings)
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{
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var response = ProcessRequest<string>(settings, "core.add_torrent_file", filename, Convert.ToBase64String(fileContent), new JObject());
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return response.Result;
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}
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public bool RemoveTorrent(string hashString, bool removeData, DelugeSettings settings)
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{
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var response = ProcessRequest<bool>(settings, "core.remove_torrent", hashString, removeData);
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return response.Result;
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}
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public void MoveTorrentToTopInQueue(string hash, DelugeSettings settings)
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{
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ProcessRequest<object>(settings, "core.queue_top", (object)new string[] { hash });
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}
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public string[] GetAvailablePlugins(DelugeSettings settings)
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{
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var response = ProcessRequest<string[]>(settings, "core.get_available_plugins");
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return response.Result;
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}
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public string[] GetEnabledPlugins(DelugeSettings settings)
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{
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var response = ProcessRequest<string[]>(settings, "core.get_enabled_plugins");
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return response.Result;
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}
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public string[] GetAvailableLabels(DelugeSettings settings)
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{
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var response = ProcessRequest<string[]>(settings, "label.get_labels");
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return response.Result;
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}
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public void SetTorrentConfiguration(string hash, string key, object value, DelugeSettings settings)
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{
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var arguments = new Dictionary<string, object>();
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arguments.Add(key, value);
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ProcessRequest<object>(settings, "core.set_torrent_options", new string[] { hash }, arguments);
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}
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public void SetTorrentSeedingConfiguration(string hash, TorrentSeedConfiguration seedConfiguration, DelugeSettings settings)
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{
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if (seedConfiguration.Ratio != null)
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{
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var ratioArguments = new Dictionary<string, object>();
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ratioArguments.Add("stop_ratio", seedConfiguration.Ratio.Value);
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ProcessRequest<object>(settings, "core.set_torrent_options", new string[]{hash}, ratioArguments);
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}
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}
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public void AddLabel(string label, DelugeSettings settings)
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{
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ProcessRequest<object>(settings, "label.add", label);
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}
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public void SetLabel(string hash, string label, DelugeSettings settings)
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{
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ProcessRequest<object>(settings, "label.set_torrent", hash, label);
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}
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protected DelugeResponse<TResult> ProcessRequest<TResult>(DelugeSettings settings, string action, params object[] arguments)
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{
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var client = BuildClient(settings);
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DelugeResponse<TResult> response;
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try
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{
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response = ProcessRequest<TResult>(client, action, arguments);
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}
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catch (WebException ex)
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{
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if (ex.Status == WebExceptionStatus.Timeout)
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{
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_logger.Debug("Deluge timeout during request, daemon connection may have been broken. Attempting to reconnect.");
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response = new DelugeResponse<TResult>();
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response.Error = new DelugeError();
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response.Error.Code = 2;
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}
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else
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{
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throw;
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}
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}
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if (response.Error != null)
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{
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if (response.Error.Code == 1 || response.Error.Code == 2)
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{
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AuthenticateClient(client);
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response = ProcessRequest<TResult>(client, action, arguments);
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if (response.Error == null)
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{
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return response;
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}
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throw new DownloadClientAuthenticationException(response.Error.Message);
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}
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throw new DelugeException(response.Error.Message, response.Error.Code);
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}
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return response;
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}
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private DelugeResponse<TResult> ProcessRequest<TResult>(IRestClient client, string action, object[] arguments)
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{
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var request = new RestRequest(Method.POST);
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request.Resource = "json";
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request.RequestFormat = DataFormat.Json;
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request.AddHeader("Accept-Encoding", "gzip,deflate");
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var data = new Dictionary<string, object>();
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data.Add("id", GetCallId());
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data.Add("method", action);
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if (arguments != null)
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{
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data.Add("params", arguments);
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}
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request.AddBody(data);
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_logger.Debug("Url: {0} Action: {1}", client.BuildUri(request), action);
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var response = client.ExecuteAndValidate<DelugeResponse<TResult>>(request);
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return response;
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}
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private IRestClient BuildClient(DelugeSettings settings)
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{
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var protocol = settings.UseSsl ? "https" : "http";
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string url;
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if (!settings.UrlBase.IsNullOrWhiteSpace())
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{
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url = string.Format(@"{0}://{1}:{2}/{3}", protocol, settings.Host, settings.Port, settings.UrlBase.Trim('/'));
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}
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else
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{
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url = string.Format(@"{0}://{1}:{2}", protocol, settings.Host, settings.Port);
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}
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var restClient = RestClientFactory.BuildClient(url);
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restClient.Timeout = 15000;
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if (_authPassword != settings.Password || _authCookieContainer == null)
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{
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_authPassword = settings.Password;
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AuthenticateClient(restClient);
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}
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else
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{
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restClient.CookieContainer = _authCookieContainer;
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}
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return restClient;
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}
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private void AuthenticateClient(IRestClient restClient)
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{
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restClient.CookieContainer = new CookieContainer();
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var result = ProcessRequest<bool>(restClient, "auth.login", new object[] { _authPassword });
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if (!result.Result)
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{
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_logger.Debug("Deluge authentication failed.");
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throw new DownloadClientAuthenticationException("Failed to authenticate with Deluge.");
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}
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_logger.Debug("Deluge authentication succeeded.");
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_authCookieContainer = restClient.CookieContainer;
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ConnectDaemon(restClient);
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}
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private void ConnectDaemon(IRestClient restClient)
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{
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var resultConnected = ProcessRequest<bool>(restClient, "web.connected", new object[0]);
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if (resultConnected.Result)
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{
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return;
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}
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var resultHosts = ProcessRequest<List<object[]>>(restClient, "web.get_hosts", new object[0]);
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if (resultHosts.Result != null)
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{
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// The returned list contains the id, ip, port and status of each available connection. We want the 127.0.0.1
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var connection = resultHosts.Result.FirstOrDefault(v => "127.0.0.1" == (v[1] as string));
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if (connection != null)
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{
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ProcessRequest<object>(restClient, "web.connect", new object[] { connection[0] });
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}
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else
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{
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throw new DownloadClientException("Failed to connect to Deluge daemon.");
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}
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}
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}
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private int GetCallId()
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{
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return System.Threading.Interlocked.Increment(ref _callId);
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}
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private DelugeTorrent[] GetTorrents(DelugeUpdateUIResult result)
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{
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if (result.Torrents == null)
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{
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return new DelugeTorrent[0];
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}
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return result.Torrents.Values.ToArray();
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}
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}
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}
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