|  | @@ -1,936 +0,0 @@
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				|  |  | -using System.Net.Sockets;
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				|  |  | -using MediaBrowser.Common.Configuration;
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				|  |  | -using MediaBrowser.Common.Extensions;
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				|  |  | -using MediaBrowser.Common.IO;
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				|  |  | -using MediaBrowser.Common.Net;
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				|  |  | -using MediaBrowser.Model.Logging;
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				|  |  | -using MediaBrowser.Model.Net;
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				|  |  | -using System;
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				|  |  | -using System.Collections.Concurrent;
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				|  |  | -using System.Collections.Generic;
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				|  |  | -using System.Collections.Specialized;
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				|  |  | -using System.Globalization;
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				|  |  | -using System.IO;
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				|  |  | -using System.Linq;
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				|  |  | -using System.Net;
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				|  |  | -using System.Net.Cache;
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				|  |  | -using System.Text;
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				|  |  | -using System.Threading;
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				|  |  | -using System.Threading.Tasks;
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				|  |  | -using MediaBrowser.Model.IO;
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				|  |  | -using MediaBrowser.Model.IO;
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				|  |  | -
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				|  |  | -namespace MediaBrowser.Common.Implementations.HttpClientManager
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				|  |  | -{
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				|  |  | -    /// <summary>
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				|  |  | -    /// Class HttpClientManager
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				|  |  | -    /// </summary>
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				|  |  | -    public class HttpClientManager : IHttpClient
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				|  |  | -    {
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				|  |  | -        /// <summary>
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				|  |  | -        /// When one request to a host times out, we'll ban all other requests for this period of time, to prevent scans from stalling
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				|  |  | -        /// </summary>
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				|  |  | -        private const int TimeoutSeconds = 30;
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				|  |  | -
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				|  |  | -        /// <summary>
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				|  |  | -        /// The _logger
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				|  |  | -        /// </summary>
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				|  |  | -        private readonly ILogger _logger;
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				|  |  | -
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				|  |  | -        /// <summary>
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				|  |  | -        /// The _app paths
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				|  |  | -        /// </summary>
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				|  |  | -        private readonly IApplicationPaths _appPaths;
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				|  |  | -
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				|  |  | -        private readonly IFileSystem _fileSystem;
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				|  |  | -        private readonly IMemoryStreamProvider _memoryStreamProvider;
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				|  |  | -
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				|  |  | -        /// <summary>
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				|  |  | -        /// Initializes a new instance of the <see cref="HttpClientManager" /> class.
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				|  |  | -        /// </summary>
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				|  |  | -        /// <param name="appPaths">The app paths.</param>
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				|  |  | -        /// <param name="logger">The logger.</param>
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				|  |  | -        /// <param name="fileSystem">The file system.</param>
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				|  |  | -        /// <exception cref="System.ArgumentNullException">appPaths
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				|  |  | -        /// or
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				|  |  | -        /// logger</exception>
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				|  |  | -        public HttpClientManager(IApplicationPaths appPaths, ILogger logger, IFileSystem fileSystem, IMemoryStreamProvider memoryStreamProvider)
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				|  |  | -        {
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				|  |  | -            if (appPaths == null)
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				|  |  | -            {
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				|  |  | -                throw new ArgumentNullException("appPaths");
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				|  |  | -            }
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				|  |  | -            if (logger == null)
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				|  |  | -            {
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				|  |  | -                throw new ArgumentNullException("logger");
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				|  |  | -            }
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				|  |  | -
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				|  |  | -            _logger = logger;
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				|  |  | -            _fileSystem = fileSystem;
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				|  |  | -            _memoryStreamProvider = memoryStreamProvider;
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				|  |  | -            _appPaths = appPaths;
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				|  |  | -
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				|  |  | -            // http://stackoverflow.com/questions/566437/http-post-returns-the-error-417-expectation-failed-c
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				|  |  | -            ServicePointManager.Expect100Continue = false;
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				|  |  | -
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				|  |  | -            // Trakt requests sometimes fail without this
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				|  |  | -            ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3 | SecurityProtocolType.Tls;
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				|  |  | -        }
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				|  |  | -
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				|  |  | -        /// <summary>
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				|  |  | -        /// Holds a dictionary of http clients by host.  Use GetHttpClient(host) to retrieve or create a client for web requests.
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				|  |  | -        /// DON'T dispose it after use.
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				|  |  | -        /// </summary>
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				|  |  | -        /// <value>The HTTP clients.</value>
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				|  |  | -        private readonly ConcurrentDictionary<string, HttpClientInfo> _httpClients = new ConcurrentDictionary<string, HttpClientInfo>();
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				|  |  | -
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				|  |  | -        /// <summary>
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				|  |  | -        /// Gets
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				|  |  | -        /// </summary>
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				|  |  | -        /// <param name="host">The host.</param>
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				|  |  | -        /// <param name="enableHttpCompression">if set to <c>true</c> [enable HTTP compression].</param>
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				|  |  | -        /// <returns>HttpClient.</returns>
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				|  |  | -        /// <exception cref="System.ArgumentNullException">host</exception>
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				|  |  | -        private HttpClientInfo GetHttpClient(string host, bool enableHttpCompression)
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				|  |  | -        {
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				|  |  | -            if (string.IsNullOrEmpty(host))
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				|  |  | -            {
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				|  |  | -                throw new ArgumentNullException("host");
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				|  |  | -            }
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				|  |  | -
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				|  |  | -            HttpClientInfo client;
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				|  |  | -
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				|  |  | -            var key = host + enableHttpCompression;
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				|  |  | -
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				|  |  | -            if (!_httpClients.TryGetValue(key, out client))
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				|  |  | -            {
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				|  |  | -                client = new HttpClientInfo();
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				|  |  | -
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				|  |  | -                _httpClients.TryAdd(key, client);
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				|  |  | -            }
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				|  |  | -
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				|  |  | -            return client;
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				|  |  | -        }
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				|  |  | -
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				|  |  | -        private WebRequest CreateWebRequest(string url)
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				|  |  | -        {
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				|  |  | -            try
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				|  |  | -            {
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				|  |  | -                return WebRequest.Create(url);
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				|  |  | -            }
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				|  |  | -            catch (NotSupportedException)
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				|  |  | -            {
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				|  |  | -                //Webrequest creation does fail on MONO randomly when using WebRequest.Create
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				|  |  | -                //the issue occurs in the GetCreator method here: http://www.oschina.net/code/explore/mono-2.8.1/mcs/class/System/System.Net/WebRequest.cs
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				|  |  | -
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				|  |  | -                var type = Type.GetType("System.Net.HttpRequestCreator, System, Version=4.0.0.0,Culture=neutral, PublicKeyToken=b77a5c561934e089");
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				|  |  | -                var creator = Activator.CreateInstance(type, nonPublic: true) as IWebRequestCreate;
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				|  |  | -                return creator.Create(new Uri(url)) as HttpWebRequest;
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				|  |  | -            }
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				|  |  | -        }
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				|  |  | -
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				|  |  | -        private void AddIpv4Option(HttpWebRequest request, HttpRequestOptions options)
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				|  |  | -        {
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				|  |  | -            request.ServicePoint.BindIPEndPointDelegate = (servicePount, remoteEndPoint, retryCount) =>
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				|  |  | -            {
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				|  |  | -                if (remoteEndPoint.AddressFamily == AddressFamily.InterNetwork)
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				|  |  | -                {
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				|  |  | -                    return new IPEndPoint(IPAddress.Any, 0);
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				|  |  | -                }
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				|  |  | -                throw new InvalidOperationException("no IPv4 address");
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				|  |  | -            };
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				|  |  | -        }
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				|  |  | -
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				|  |  | -        private WebRequest GetRequest(HttpRequestOptions options, string method)
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				|  |  | -        {
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				|  |  | -            var url = options.Url;
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				|  |  | -
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				|  |  | -            var uriAddress = new Uri(url);
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				|  |  | -            var userInfo = uriAddress.UserInfo;
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				|  |  | -            if (!string.IsNullOrWhiteSpace(userInfo))
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				|  |  | -            {
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				|  |  | -                _logger.Info("Found userInfo in url: {0} ... url: {1}", userInfo, url);
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				|  |  | -                url = url.Replace(userInfo + "@", string.Empty);
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				|  |  | -            }
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				|  |  | -
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				|  |  | -            var request = CreateWebRequest(url);
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				|  |  | -            var httpWebRequest = request as HttpWebRequest;
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				|  |  | -
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				|  |  | -            if (httpWebRequest != null)
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				|  |  | -            {
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				|  |  | -                if (options.PreferIpv4)
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				|  |  | -                {
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				|  |  | -                    AddIpv4Option(httpWebRequest, options);
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				|  |  | -                }
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				|  |  | -
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				|  |  | -                AddRequestHeaders(httpWebRequest, options);
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				|  |  | -
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				|  |  | -                httpWebRequest.AutomaticDecompression = options.EnableHttpCompression ? 
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				|  |  | -                    (options.DecompressionMethod ?? DecompressionMethods.Deflate) : 
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				|  |  | -                    DecompressionMethods.None;
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				|  |  | -            }
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				|  |  | -
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				|  |  | -            request.CachePolicy = new RequestCachePolicy(RequestCacheLevel.BypassCache);
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				|  |  | -
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				|  |  | -            if (httpWebRequest != null)
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				|  |  | -            {
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				|  |  | -                if (options.EnableKeepAlive)
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				|  |  | -                {
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				|  |  | -                    httpWebRequest.KeepAlive = true;
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				|  |  | -                }
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				|  |  | -            }
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				|  |  | -
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				|  |  | -            request.Method = method;
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				|  |  | -            request.Timeout = options.TimeoutMs;
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				|  |  | -            
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				|  |  | -            if (httpWebRequest != null)
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				|  |  | -            {
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				|  |  | -                if (!string.IsNullOrEmpty(options.Host))
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				|  |  | -                {
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				|  |  | -                    httpWebRequest.Host = options.Host;
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				|  |  | -                }
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				|  |  | -
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				|  |  | -                if (!string.IsNullOrEmpty(options.Referer))
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				|  |  | -                {
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				|  |  | -                    httpWebRequest.Referer = options.Referer;
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				|  |  | -                }
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				|  |  | -            }
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				|  |  | -
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				|  |  | -            if (!string.IsNullOrWhiteSpace(userInfo))
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				|  |  | -            {
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				|  |  | -                var parts = userInfo.Split(':');
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				|  |  | -                if (parts.Length == 2)
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				|  |  | -                {
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				|  |  | -                    request.Credentials = GetCredential(url, parts[0], parts[1]);
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				|  |  | -                    request.PreAuthenticate = true;
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				|  |  | -                }
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				|  |  | -            }
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				|  |  | -
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				|  |  | -            return request;
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				|  |  | -        }
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				|  |  | -
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				|  |  | -        private CredentialCache GetCredential(string url, string username, string password)
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				|  |  | -        {
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				|  |  | -            //ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3;
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				|  |  | -            CredentialCache credentialCache = new CredentialCache();
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				|  |  | -            credentialCache.Add(new Uri(url), "Basic", new NetworkCredential(username, password));
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				|  |  | -            return credentialCache;
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				|  |  | -        }
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				|  |  | -
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				|  |  | -        private void AddRequestHeaders(HttpWebRequest request, HttpRequestOptions options)
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				|  |  | -        {
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				|  |  | -            foreach (var header in options.RequestHeaders.ToList())
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				|  |  | -            {
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				|  |  | -                if (string.Equals(header.Key, "Accept", StringComparison.OrdinalIgnoreCase))
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				|  |  | -                {
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				|  |  | -                    request.Accept = header.Value;
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				|  |  | -                }
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				|  |  | -                else if (string.Equals(header.Key, "User-Agent", StringComparison.OrdinalIgnoreCase))
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				|  |  | -                {
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				|  |  | -                    request.UserAgent = header.Value;
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				|  |  | -                }
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				|  |  | -                else
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				|  |  | -                {
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				|  |  | -                    request.Headers.Set(header.Key, header.Value);
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				|  |  | -                }
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				|  |  | -            }
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				|  |  | -        }
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				|  |  | -
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				|  |  | -        /// <summary>
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				|  |  | -        /// Gets the response internal.
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				|  |  | -        /// </summary>
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				|  |  | -        /// <param name="options">The options.</param>
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				|  |  | -        /// <returns>Task{HttpResponseInfo}.</returns>
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				|  |  | -        public Task<HttpResponseInfo> GetResponse(HttpRequestOptions options)
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				|  |  | -        {
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				|  |  | -            return SendAsync(options, "GET");
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				|  |  | -        }
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				|  |  | -
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				|  |  | -        /// <summary>
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				|  |  | -        /// Performs a GET request and returns the resulting stream
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				|  |  | -        /// </summary>
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				|  |  | -        /// <param name="options">The options.</param>
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				|  |  | -        /// <returns>Task{Stream}.</returns>
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				|  |  | -        public async Task<Stream> Get(HttpRequestOptions options)
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				|  |  | -        {
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				|  |  | -            var response = await GetResponse(options).ConfigureAwait(false);
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				|  |  | -
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				|  |  | -            return response.Content;
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				|  |  | -        }
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				|  |  | -
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				|  |  | -        /// <summary>
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				|  |  | -        /// Performs a GET request and returns the resulting stream
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				|  |  | -        /// </summary>
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				|  |  | -        /// <param name="url">The URL.</param>
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				|  |  | -        /// <param name="resourcePool">The resource pool.</param>
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				|  |  | -        /// <param name="cancellationToken">The cancellation token.</param>
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				|  |  | -        /// <returns>Task{Stream}.</returns>
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				|  |  | -        public Task<Stream> Get(string url, SemaphoreSlim resourcePool, CancellationToken cancellationToken)
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				|  |  | -        {
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				|  |  | -            return Get(new HttpRequestOptions
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				|  |  | -            {
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				|  |  | -                Url = url,
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				|  |  | -                ResourcePool = resourcePool,
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				|  |  | -                CancellationToken = cancellationToken,
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				|  |  | -                BufferContent = resourcePool != null
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				|  |  | -            });
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				|  |  | -        }
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				|  |  | -
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				|  |  | -        /// <summary>
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				|  |  | -        /// Gets the specified URL.
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				|  |  | -        /// </summary>
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				|  |  | -        /// <param name="url">The URL.</param>
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				|  |  | -        /// <param name="cancellationToken">The cancellation token.</param>
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				|  |  | -        /// <returns>Task{Stream}.</returns>
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				|  |  | -        public Task<Stream> Get(string url, CancellationToken cancellationToken)
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				|  |  | -        {
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				|  |  | -            return Get(url, null, cancellationToken);
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				|  |  | -        }
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				|  |  | -
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				|  |  | -        /// <summary>
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				|  |  | -        /// send as an asynchronous operation.
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				|  |  | -        /// </summary>
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				|  |  | -        /// <param name="options">The options.</param>
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				|  |  | -        /// <param name="httpMethod">The HTTP method.</param>
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				|  |  | -        /// <returns>Task{HttpResponseInfo}.</returns>
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				|  |  | -        /// <exception cref="HttpException">
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				|  |  | -        /// </exception>
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				|  |  | -        public async Task<HttpResponseInfo> SendAsync(HttpRequestOptions options, string httpMethod)
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				|  |  | -        {
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				|  |  | -            if (options.CacheMode == CacheMode.None)
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				|  |  | -            {
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				|  |  | -                return await SendAsyncInternal(options, httpMethod).ConfigureAwait(false);
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				|  |  | -            }
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				|  |  | -
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				|  |  | -            var url = options.Url;
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				|  |  | -            var urlHash = url.ToLower().GetMD5().ToString("N");
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				|  |  | -
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				|  |  | -            var responseCachePath = Path.Combine(_appPaths.CachePath, "httpclient", urlHash);
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				|  |  | -
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				|  |  | -            var response = await GetCachedResponse(responseCachePath, options.CacheLength, url).ConfigureAwait(false);
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				|  |  | -            if (response != null)
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				|  |  | -            {
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				|  |  | -                return response;
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				|  |  | -            }
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				|  |  | -
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				|  |  | -            response = await SendAsyncInternal(options, httpMethod).ConfigureAwait(false);
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				|  |  | -
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				|  |  | -            if (response.StatusCode == HttpStatusCode.OK)
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				|  |  | -            {
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				|  |  | -                await CacheResponse(response, responseCachePath).ConfigureAwait(false);
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				|  |  | -            }
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				|  |  | -
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				|  |  | -            return response;
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				|  |  | -        }
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				|  |  | -
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				|  |  | -        private async Task<HttpResponseInfo> GetCachedResponse(string responseCachePath, TimeSpan cacheLength, string url)
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				|  |  | -        {
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				|  |  | -            _logger.Info("Checking for cache file {0}", responseCachePath);
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				|  |  | -
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				|  |  | -            try
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				|  |  | -            {
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				|  |  | -                if (_fileSystem.GetLastWriteTimeUtc(responseCachePath).Add(cacheLength) > DateTime.UtcNow)
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				|  |  | -                {
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				|  |  | -                    using (var stream = _fileSystem.GetFileStream(responseCachePath, FileOpenMode.Open, FileAccessMode.Read, FileShareMode.Read, true))
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				|  |  | -                    {
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				|  |  | -                        var memoryStream = _memoryStreamProvider.CreateNew();
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				|  |  | -
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				|  |  | -                        await stream.CopyToAsync(memoryStream).ConfigureAwait(false);
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				|  |  | -                        memoryStream.Position = 0;
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				|  |  | -
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				|  |  | -                        return new HttpResponseInfo
 | 
	
		
			
				|  |  | -                        {
 | 
	
		
			
				|  |  | -                            ResponseUrl = url,
 | 
	
		
			
				|  |  | -                            Content = memoryStream,
 | 
	
		
			
				|  |  | -                            StatusCode = HttpStatusCode.OK,
 | 
	
		
			
				|  |  | -                            ContentLength = memoryStream.Length
 | 
	
		
			
				|  |  | -                        };
 | 
	
		
			
				|  |  | -                    }
 | 
	
		
			
				|  |  | -                }
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -            catch (FileNotFoundException)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -            catch (DirectoryNotFoundException)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            return null;
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        private async Task CacheResponse(HttpResponseInfo response, string responseCachePath)
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -            _fileSystem.CreateDirectory(Path.GetDirectoryName(responseCachePath));
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            using (var responseStream = response.Content)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                var memoryStream = _memoryStreamProvider.CreateNew();
 | 
	
		
			
				|  |  | -                await responseStream.CopyToAsync(memoryStream).ConfigureAwait(false);
 | 
	
		
			
				|  |  | -                memoryStream.Position = 0;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                using (var fileStream = _fileSystem.GetFileStream(responseCachePath, FileOpenMode.Create, FileAccessMode.Write, FileShareMode.None, true))
 | 
	
		
			
				|  |  | -                {
 | 
	
		
			
				|  |  | -                    await memoryStream.CopyToAsync(fileStream).ConfigureAwait(false);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                    memoryStream.Position = 0;
 | 
	
		
			
				|  |  | -                    response.Content = memoryStream;
 | 
	
		
			
				|  |  | -                }
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        private async Task<HttpResponseInfo> SendAsyncInternal(HttpRequestOptions options, string httpMethod)
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -            ValidateParams(options);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            options.CancellationToken.ThrowIfCancellationRequested();
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            var client = GetHttpClient(GetHostFromUrl(options.Url), options.EnableHttpCompression);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            if ((DateTime.UtcNow - client.LastTimeout).TotalSeconds < TimeoutSeconds)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                throw new HttpException(string.Format("Cancelling connection to {0} due to a previous timeout.", options.Url))
 | 
	
		
			
				|  |  | -                {
 | 
	
		
			
				|  |  | -                    IsTimedOut = true
 | 
	
		
			
				|  |  | -                };
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            var httpWebRequest = GetRequest(options, httpMethod);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            if (options.RequestContentBytes != null ||
 | 
	
		
			
				|  |  | -                !string.IsNullOrEmpty(options.RequestContent) ||
 | 
	
		
			
				|  |  | -                string.Equals(httpMethod, "post", StringComparison.OrdinalIgnoreCase))
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                var bytes = options.RequestContentBytes ??
 | 
	
		
			
				|  |  | -                    Encoding.UTF8.GetBytes(options.RequestContent ?? string.Empty);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                httpWebRequest.ContentType = options.RequestContentType ?? "application/x-www-form-urlencoded";
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                httpWebRequest.ContentLength = bytes.Length;
 | 
	
		
			
				|  |  | -                httpWebRequest.GetRequestStream().Write(bytes, 0, bytes.Length);
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            if (options.ResourcePool != null)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                await options.ResourcePool.WaitAsync(options.CancellationToken).ConfigureAwait(false);
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            if ((DateTime.UtcNow - client.LastTimeout).TotalSeconds < TimeoutSeconds)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                if (options.ResourcePool != null)
 | 
	
		
			
				|  |  | -                {
 | 
	
		
			
				|  |  | -                    options.ResourcePool.Release();
 | 
	
		
			
				|  |  | -                }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                throw new HttpException(string.Format("Connection to {0} timed out", options.Url)) { IsTimedOut = true };
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            if (options.LogRequest)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                _logger.Info("HttpClientManager {0}: {1}", httpMethod.ToUpper(), options.Url);
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            try
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                options.CancellationToken.ThrowIfCancellationRequested();
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                if (!options.BufferContent)
 | 
	
		
			
				|  |  | -                {
 | 
	
		
			
				|  |  | -                    var response = await GetResponseAsync(httpWebRequest, TimeSpan.FromMilliseconds(options.TimeoutMs)).ConfigureAwait(false);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                    var httpResponse = (HttpWebResponse)response;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                    EnsureSuccessStatusCode(client, httpResponse, options);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                    options.CancellationToken.ThrowIfCancellationRequested();
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                    return GetResponseInfo(httpResponse, httpResponse.GetResponseStream(), GetContentLength(httpResponse), httpResponse);
 | 
	
		
			
				|  |  | -                }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                using (var response = await GetResponseAsync(httpWebRequest, TimeSpan.FromMilliseconds(options.TimeoutMs)).ConfigureAwait(false))
 | 
	
		
			
				|  |  | -                {
 | 
	
		
			
				|  |  | -                    var httpResponse = (HttpWebResponse)response;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                    EnsureSuccessStatusCode(client, httpResponse, options);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                    options.CancellationToken.ThrowIfCancellationRequested();
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                    using (var stream = httpResponse.GetResponseStream())
 | 
	
		
			
				|  |  | -                    {
 | 
	
		
			
				|  |  | -                        var memoryStream = _memoryStreamProvider.CreateNew();
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                        await stream.CopyToAsync(memoryStream).ConfigureAwait(false);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                        memoryStream.Position = 0;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                        return GetResponseInfo(httpResponse, memoryStream, memoryStream.Length, null);
 | 
	
		
			
				|  |  | -                    }
 | 
	
		
			
				|  |  | -                }
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -            catch (OperationCanceledException ex)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                throw GetCancellationException(options, client, options.CancellationToken, ex);
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -            catch (Exception ex)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                throw GetException(ex, options, client);
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -            finally
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                if (options.ResourcePool != null)
 | 
	
		
			
				|  |  | -                {
 | 
	
		
			
				|  |  | -                    options.ResourcePool.Release();
 | 
	
		
			
				|  |  | -                }
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        private HttpResponseInfo GetResponseInfo(HttpWebResponse httpResponse, Stream content, long? contentLength, IDisposable disposable)
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -            var responseInfo = new HttpResponseInfo(disposable)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                Content = content,
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                StatusCode = httpResponse.StatusCode,
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                ContentType = httpResponse.ContentType,
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                ContentLength = contentLength,
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                ResponseUrl = httpResponse.ResponseUri.ToString()
 | 
	
		
			
				|  |  | -            };
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            if (httpResponse.Headers != null)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                SetHeaders(httpResponse.Headers, responseInfo);
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            return responseInfo;
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        private HttpResponseInfo GetResponseInfo(HttpWebResponse httpResponse, string tempFile, long? contentLength)
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -            var responseInfo = new HttpResponseInfo
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                TempFilePath = tempFile,
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                StatusCode = httpResponse.StatusCode,
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                ContentType = httpResponse.ContentType,
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                ContentLength = contentLength
 | 
	
		
			
				|  |  | -            };
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            if (httpResponse.Headers != null)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                SetHeaders(httpResponse.Headers, responseInfo);
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            return responseInfo;
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        private void SetHeaders(WebHeaderCollection headers, HttpResponseInfo responseInfo)
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -            foreach (var key in headers.AllKeys)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                responseInfo.Headers[key] = headers[key];
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        public Task<HttpResponseInfo> Post(HttpRequestOptions options)
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -            return SendAsync(options, "POST");
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        /// <summary>
 | 
	
		
			
				|  |  | -        /// Performs a POST request
 | 
	
		
			
				|  |  | -        /// </summary>
 | 
	
		
			
				|  |  | -        /// <param name="options">The options.</param>
 | 
	
		
			
				|  |  | -        /// <param name="postData">Params to add to the POST data.</param>
 | 
	
		
			
				|  |  | -        /// <returns>stream on success, null on failure</returns>
 | 
	
		
			
				|  |  | -        public async Task<Stream> Post(HttpRequestOptions options, Dictionary<string, string> postData)
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -            options.SetPostData(postData);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            var response = await Post(options).ConfigureAwait(false);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            return response.Content;
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        /// <summary>
 | 
	
		
			
				|  |  | -        /// Performs a POST request
 | 
	
		
			
				|  |  | -        /// </summary>
 | 
	
		
			
				|  |  | -        /// <param name="url">The URL.</param>
 | 
	
		
			
				|  |  | -        /// <param name="postData">Params to add to the POST data.</param>
 | 
	
		
			
				|  |  | -        /// <param name="resourcePool">The resource pool.</param>
 | 
	
		
			
				|  |  | -        /// <param name="cancellationToken">The cancellation token.</param>
 | 
	
		
			
				|  |  | -        /// <returns>stream on success, null on failure</returns>
 | 
	
		
			
				|  |  | -        public Task<Stream> Post(string url, Dictionary<string, string> postData, SemaphoreSlim resourcePool, CancellationToken cancellationToken)
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -            return Post(new HttpRequestOptions
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                Url = url,
 | 
	
		
			
				|  |  | -                ResourcePool = resourcePool,
 | 
	
		
			
				|  |  | -                CancellationToken = cancellationToken,
 | 
	
		
			
				|  |  | -                BufferContent = resourcePool != null
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            }, postData);
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        /// <summary>
 | 
	
		
			
				|  |  | -        /// Downloads the contents of a given url into a temporary location
 | 
	
		
			
				|  |  | -        /// </summary>
 | 
	
		
			
				|  |  | -        /// <param name="options">The options.</param>
 | 
	
		
			
				|  |  | -        /// <returns>Task{System.String}.</returns>
 | 
	
		
			
				|  |  | -        public async Task<string> GetTempFile(HttpRequestOptions options)
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -            var response = await GetTempFileResponse(options).ConfigureAwait(false);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            return response.TempFilePath;
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        public async Task<HttpResponseInfo> GetTempFileResponse(HttpRequestOptions options)
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -            ValidateParams(options);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            _fileSystem.CreateDirectory(_appPaths.TempDirectory);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            var tempFile = Path.Combine(_appPaths.TempDirectory, Guid.NewGuid() + ".tmp");
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            if (options.Progress == null)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                throw new ArgumentNullException("progress");
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            options.CancellationToken.ThrowIfCancellationRequested();
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            var httpWebRequest = GetRequest(options, "GET");
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            if (options.ResourcePool != null)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                await options.ResourcePool.WaitAsync(options.CancellationToken).ConfigureAwait(false);
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            options.Progress.Report(0);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            if (options.LogRequest)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                _logger.Info("HttpClientManager.GetTempFileResponse url: {0}", options.Url);
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            var client = GetHttpClient(GetHostFromUrl(options.Url), options.EnableHttpCompression);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            try
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                options.CancellationToken.ThrowIfCancellationRequested();
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                using (var response = await httpWebRequest.GetResponseAsync().ConfigureAwait(false))
 | 
	
		
			
				|  |  | -                {
 | 
	
		
			
				|  |  | -                    var httpResponse = (HttpWebResponse)response;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                    EnsureSuccessStatusCode(client, httpResponse, options);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                    options.CancellationToken.ThrowIfCancellationRequested();
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                    var contentLength = GetContentLength(httpResponse);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                    if (!contentLength.HasValue)
 | 
	
		
			
				|  |  | -                    {
 | 
	
		
			
				|  |  | -                        // We're not able to track progress
 | 
	
		
			
				|  |  | -                        using (var stream = httpResponse.GetResponseStream())
 | 
	
		
			
				|  |  | -                        {
 | 
	
		
			
				|  |  | -                            using (var fs = _fileSystem.GetFileStream(tempFile, FileOpenMode.Create, FileAccessMode.Write, FileShareMode.Read, true))
 | 
	
		
			
				|  |  | -                            {
 | 
	
		
			
				|  |  | -                                await stream.CopyToAsync(fs, StreamDefaults.DefaultCopyToBufferSize, options.CancellationToken).ConfigureAwait(false);
 | 
	
		
			
				|  |  | -                            }
 | 
	
		
			
				|  |  | -                        }
 | 
	
		
			
				|  |  | -                    }
 | 
	
		
			
				|  |  | -                    else
 | 
	
		
			
				|  |  | -                    {
 | 
	
		
			
				|  |  | -                        using (var stream = ProgressStream.CreateReadProgressStream(httpResponse.GetResponseStream(), options.Progress.Report, contentLength.Value))
 | 
	
		
			
				|  |  | -                        {
 | 
	
		
			
				|  |  | -                            using (var fs = _fileSystem.GetFileStream(tempFile, FileOpenMode.Create, FileAccessMode.Write, FileShareMode.Read, true))
 | 
	
		
			
				|  |  | -                            {
 | 
	
		
			
				|  |  | -                                await stream.CopyToAsync(fs, StreamDefaults.DefaultCopyToBufferSize, options.CancellationToken).ConfigureAwait(false);
 | 
	
		
			
				|  |  | -                            }
 | 
	
		
			
				|  |  | -                        }
 | 
	
		
			
				|  |  | -                    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                    options.Progress.Report(100);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                    return GetResponseInfo(httpResponse, tempFile, contentLength);
 | 
	
		
			
				|  |  | -                }
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -            catch (Exception ex)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                DeleteTempFile(tempFile);
 | 
	
		
			
				|  |  | -                throw GetException(ex, options, client);
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -            finally
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                if (options.ResourcePool != null)
 | 
	
		
			
				|  |  | -                {
 | 
	
		
			
				|  |  | -                    options.ResourcePool.Release();
 | 
	
		
			
				|  |  | -                }
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        private long? GetContentLength(HttpWebResponse response)
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -            var length = response.ContentLength;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            if (length == 0)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                return null;
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            return length;
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        protected static readonly CultureInfo UsCulture = new CultureInfo("en-US");
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        private Exception GetException(Exception ex, HttpRequestOptions options, HttpClientInfo client)
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -            if (ex is HttpException)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                return ex;
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            var webException = ex as WebException
 | 
	
		
			
				|  |  | -                ?? ex.InnerException as WebException;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            if (webException != null)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                if (options.LogErrors)
 | 
	
		
			
				|  |  | -                {
 | 
	
		
			
				|  |  | -                    _logger.ErrorException("Error getting response from " + options.Url, ex);
 | 
	
		
			
				|  |  | -                }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                var exception = new HttpException(ex.Message, ex);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                var response = webException.Response as HttpWebResponse;
 | 
	
		
			
				|  |  | -                if (response != null)
 | 
	
		
			
				|  |  | -                {
 | 
	
		
			
				|  |  | -                    exception.StatusCode = response.StatusCode;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                    if ((int)response.StatusCode == 429)
 | 
	
		
			
				|  |  | -                    {
 | 
	
		
			
				|  |  | -                        client.LastTimeout = DateTime.UtcNow;
 | 
	
		
			
				|  |  | -                    }
 | 
	
		
			
				|  |  | -                }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                return exception;
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            var operationCanceledException = ex as OperationCanceledException
 | 
	
		
			
				|  |  | -                ?? ex.InnerException as OperationCanceledException;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            if (operationCanceledException != null)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                return GetCancellationException(options, client, options.CancellationToken, operationCanceledException);
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            if (options.LogErrors)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                _logger.ErrorException("Error getting response from " + options.Url, ex);
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            return ex;
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        private void DeleteTempFile(string file)
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -            try
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                _fileSystem.DeleteFile(file);
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -            catch (IOException)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                // Might not have been created at all. No need to worry.
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        private void ValidateParams(HttpRequestOptions options)
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -            if (string.IsNullOrEmpty(options.Url))
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                throw new ArgumentNullException("options");
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        /// <summary>
 | 
	
		
			
				|  |  | -        /// Gets the host from URL.
 | 
	
		
			
				|  |  | -        /// </summary>
 | 
	
		
			
				|  |  | -        /// <param name="url">The URL.</param>
 | 
	
		
			
				|  |  | -        /// <returns>System.String.</returns>
 | 
	
		
			
				|  |  | -        private string GetHostFromUrl(string url)
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -            var index = url.IndexOf("://", StringComparison.OrdinalIgnoreCase);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            if (index != -1)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                url = url.Substring(index + 3);
 | 
	
		
			
				|  |  | -                var host = url.Split(new[] { '/' }, StringSplitOptions.RemoveEmptyEntries).FirstOrDefault();
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                if (!string.IsNullOrWhiteSpace(host))
 | 
	
		
			
				|  |  | -                {
 | 
	
		
			
				|  |  | -                    return host;
 | 
	
		
			
				|  |  | -                }
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            return url;
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        /// <summary>
 | 
	
		
			
				|  |  | -        /// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
 | 
	
		
			
				|  |  | -        /// </summary>
 | 
	
		
			
				|  |  | -        public void Dispose()
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -            Dispose(true);
 | 
	
		
			
				|  |  | -            GC.SuppressFinalize(this);
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        /// <summary>
 | 
	
		
			
				|  |  | -        /// Releases unmanaged and - optionally - managed resources.
 | 
	
		
			
				|  |  | -        /// </summary>
 | 
	
		
			
				|  |  | -        /// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
 | 
	
		
			
				|  |  | -        protected virtual void Dispose(bool dispose)
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -            if (dispose)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                _httpClients.Clear();
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        /// <summary>
 | 
	
		
			
				|  |  | -        /// Throws the cancellation exception.
 | 
	
		
			
				|  |  | -        /// </summary>
 | 
	
		
			
				|  |  | -        /// <param name="options">The options.</param>
 | 
	
		
			
				|  |  | -        /// <param name="client">The client.</param>
 | 
	
		
			
				|  |  | -        /// <param name="cancellationToken">The cancellation token.</param>
 | 
	
		
			
				|  |  | -        /// <param name="exception">The exception.</param>
 | 
	
		
			
				|  |  | -        /// <returns>Exception.</returns>
 | 
	
		
			
				|  |  | -        private Exception GetCancellationException(HttpRequestOptions options, HttpClientInfo client, CancellationToken cancellationToken, OperationCanceledException exception)
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -            // If the HttpClient's timeout is reached, it will cancel the Task internally
 | 
	
		
			
				|  |  | -            if (!cancellationToken.IsCancellationRequested)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                var msg = string.Format("Connection to {0} timed out", options.Url);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                if (options.LogErrors)
 | 
	
		
			
				|  |  | -                {
 | 
	
		
			
				|  |  | -                    _logger.Error(msg);
 | 
	
		
			
				|  |  | -                }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                client.LastTimeout = DateTime.UtcNow;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                // Throw an HttpException so that the caller doesn't think it was cancelled by user code
 | 
	
		
			
				|  |  | -                return new HttpException(msg, exception)
 | 
	
		
			
				|  |  | -                {
 | 
	
		
			
				|  |  | -                    IsTimedOut = true
 | 
	
		
			
				|  |  | -                };
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            return exception;
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        private void EnsureSuccessStatusCode(HttpClientInfo client, HttpWebResponse response, HttpRequestOptions options)
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -            var statusCode = response.StatusCode;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            var isSuccessful = statusCode >= HttpStatusCode.OK && statusCode <= (HttpStatusCode)299;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            if (!isSuccessful)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                if (options.LogErrorResponseBody)
 | 
	
		
			
				|  |  | -                {
 | 
	
		
			
				|  |  | -                    try
 | 
	
		
			
				|  |  | -                    {
 | 
	
		
			
				|  |  | -                        using (var stream = response.GetResponseStream())
 | 
	
		
			
				|  |  | -                        {
 | 
	
		
			
				|  |  | -                            if (stream != null)
 | 
	
		
			
				|  |  | -                            {
 | 
	
		
			
				|  |  | -                                using (var reader = new StreamReader(stream))
 | 
	
		
			
				|  |  | -                                {
 | 
	
		
			
				|  |  | -                                    var msg = reader.ReadToEnd();
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                                    _logger.Error(msg);
 | 
	
		
			
				|  |  | -                                }
 | 
	
		
			
				|  |  | -                            }
 | 
	
		
			
				|  |  | -                        }
 | 
	
		
			
				|  |  | -                    }
 | 
	
		
			
				|  |  | -                    catch
 | 
	
		
			
				|  |  | -                    {
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -                    }
 | 
	
		
			
				|  |  | -                }
 | 
	
		
			
				|  |  | -                throw new HttpException(response.StatusDescription)
 | 
	
		
			
				|  |  | -                {
 | 
	
		
			
				|  |  | -                    StatusCode = response.StatusCode
 | 
	
		
			
				|  |  | -                };
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        /// <summary>
 | 
	
		
			
				|  |  | -        /// Posts the specified URL.
 | 
	
		
			
				|  |  | -        /// </summary>
 | 
	
		
			
				|  |  | -        /// <param name="url">The URL.</param>
 | 
	
		
			
				|  |  | -        /// <param name="postData">The post data.</param>
 | 
	
		
			
				|  |  | -        /// <param name="cancellationToken">The cancellation token.</param>
 | 
	
		
			
				|  |  | -        /// <returns>Task{Stream}.</returns>
 | 
	
		
			
				|  |  | -        public Task<Stream> Post(string url, Dictionary<string, string> postData, CancellationToken cancellationToken)
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -            return Post(url, postData, null, cancellationToken);
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        private Task<WebResponse> GetResponseAsync(WebRequest request, TimeSpan timeout)
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -            var taskCompletion = new TaskCompletionSource<WebResponse>();
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            Task<WebResponse> asyncTask = Task.Factory.FromAsync<WebResponse>(request.BeginGetResponse, request.EndGetResponse, null);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            ThreadPool.RegisterWaitForSingleObject((asyncTask as IAsyncResult).AsyncWaitHandle, TimeoutCallback, request, timeout, true);
 | 
	
		
			
				|  |  | -            var callback = new TaskCallback { taskCompletion = taskCompletion };
 | 
	
		
			
				|  |  | -            asyncTask.ContinueWith(callback.OnSuccess, TaskContinuationOptions.NotOnFaulted);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            // Handle errors
 | 
	
		
			
				|  |  | -            asyncTask.ContinueWith(callback.OnError, TaskContinuationOptions.OnlyOnFaulted);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            return taskCompletion.Task;
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        private static void TimeoutCallback(object state, bool timedOut)
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -            if (timedOut)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                WebRequest request = (WebRequest)state;
 | 
	
		
			
				|  |  | -                if (state != null)
 | 
	
		
			
				|  |  | -                {
 | 
	
		
			
				|  |  | -                    request.Abort();
 | 
	
		
			
				|  |  | -                }
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        private class TaskCallback
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -            public TaskCompletionSource<WebResponse> taskCompletion;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            public void OnSuccess(Task<WebResponse> task)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                taskCompletion.TrySetResult(task.Result);
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -            public void OnError(Task<WebResponse> task)
 | 
	
		
			
				|  |  | -            {
 | 
	
		
			
				|  |  | -                if (task.Exception != null)
 | 
	
		
			
				|  |  | -                {
 | 
	
		
			
				|  |  | -                    taskCompletion.TrySetException(task.Exception);
 | 
	
		
			
				|  |  | -                }
 | 
	
		
			
				|  |  | -                else
 | 
	
		
			
				|  |  | -                {
 | 
	
		
			
				|  |  | -                    taskCompletion.TrySetException(new List<Exception>());
 | 
	
		
			
				|  |  | -                }
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -}
 |