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Remove usage of depricated 'WebRequest'

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Ref: https://docs.microsoft.com/en-us/dotnet/api/system.net.webrequest?view=netframework-4.7.2
pull/1080/head
Bond-009 6 years ago
parent 40089e2fd9
commit 369785c184
4 changed files with 161 additions and 301 deletions
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18
Emby.Server.Implementations/HttpClientManager/HttpClientInfo.cs
Unescape View File

@ -1,18 +0,0 @@
using System;
using System.Net.Http;
namespace Emby.Server.Implementations.HttpClientManager
{
/// <summary>
/// Class HttpClientInfo
/// </summary>
public class HttpClientInfo
{
/// <summary>
/// Gets or sets the last timeout.
/// </summary>
/// <value>The last timeout.</value>
public DateTime LastTimeout { get; set; }
public HttpClient HttpClient { get; set; }
}
}

432
Emby.Server.Implementations/HttpClientManager/HttpClientManager.cs
Unescape View File

@ -1,11 +1,10 @@
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Cache;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
@ -55,12 +54,13 @@ namespace Emby.Server.Implementations.HttpClientManager
{
throw new ArgumentNullException(nameof(appPaths));
}
if (loggerFactory == null)
{
throw new ArgumentNullException(nameof(loggerFactory));
}
_logger = loggerFactory.CreateLogger("HttpClient");
_logger = loggerFactory.CreateLogger(nameof(HttpClientManager));
_fileSystem = fileSystem;
_appPaths = appPaths;
_defaultUserAgentFn = defaultUserAgentFn;
@ -74,27 +74,26 @@ namespace Emby.Server.Implementations.HttpClientManager
/// DON'T dispose it after use.
/// </summary>
/// <value>The HTTP clients.</value>
private readonly ConcurrentDictionary<string, HttpClientInfo> _httpClients = new ConcurrentDictionary<string, HttpClientInfo>();
private readonly ConcurrentDictionary<string, HttpClient> _httpClients = new ConcurrentDictionary<string, HttpClient>();
/// <summary>
/// Gets
/// </summary>
/// <param name="host">The host.</param>
/// <param name="url">The host.</param>
/// <param name="enableHttpCompression">if set to <c>true</c> [enable HTTP compression].</param>
/// <returns>HttpClient.</returns>
/// <exception cref="ArgumentNullException">host</exception>
private HttpClientInfo GetHttpClient(string host, bool enableHttpCompression)
private HttpClient GetHttpClient(string url, bool enableHttpCompression)
{
if (string.IsNullOrEmpty(host))
{
throw new ArgumentNullException(nameof(host));
}
var key = host + enableHttpCompression;
var key = GetHostFromUrl(url) + enableHttpCompression;
if (!_httpClients.TryGetValue(key, out var client))
{
client = new HttpClientInfo();
client = new HttpClient()
{
BaseAddress = new Uri(url)
};
_httpClients.TryAdd(key, client);
}
@ -102,110 +101,87 @@ namespace Emby.Server.Implementations.HttpClientManager
return client;
}
private WebRequest GetRequest(HttpRequestOptions options, string method)
private HttpRequestMessage GetRequestMessage(HttpRequestOptions options, HttpMethod method)
{
string url = options.Url;
var uriAddress = new Uri(url);
string userInfo = uriAddress.UserInfo;
if (!string.IsNullOrWhiteSpace(userInfo))
{
_logger.LogInformation("Found userInfo in url: {0} ... url: {1}", userInfo, url);
_logger.LogWarning("Found userInfo in url: {0} ... url: {1}", userInfo, url);
url = url.Replace(userInfo + "@", string.Empty);
}
var request = WebRequest.Create(url);
var request = new HttpRequestMessage(method, url);
if (request is HttpWebRequest httpWebRequest)
{
AddRequestHeaders(httpWebRequest, options);
AddRequestHeaders(request, options);
if (options.EnableHttpCompression)
if (options.EnableHttpCompression)
{
if (options.DecompressionMethod.HasValue
&& options.DecompressionMethod.Value == CompressionMethod.Gzip)
{
httpWebRequest.AutomaticDecompression = DecompressionMethods.Deflate;
if (options.DecompressionMethod.HasValue
&& options.DecompressionMethod.Value == CompressionMethod.Gzip)
{
httpWebRequest.AutomaticDecompression = DecompressionMethods.GZip;
}
request.Headers.Add(HeaderNames.AcceptEncoding, new[] { "gzip", "deflate" });
}
else
{
httpWebRequest.AutomaticDecompression = DecompressionMethods.None;
request.Headers.Add(HeaderNames.AcceptEncoding, "deflate");
}
}
httpWebRequest.KeepAlive = options.EnableKeepAlive;
if (options.EnableKeepAlive)
{
request.Headers.Add(HeaderNames.Connection, "Keep-Alive");
}
if (!string.IsNullOrEmpty(options.Host))
{
httpWebRequest.Host = options.Host;
}
if (!string.IsNullOrEmpty(options.Host))
{
request.Headers.Add(HeaderNames.Host, options.Host);
}
if (!string.IsNullOrEmpty(options.Referer))
{
httpWebRequest.Referer = options.Referer;
}
if (!string.IsNullOrEmpty(options.Referer))
{
request.Headers.Add(HeaderNames.Referer, options.Referer);
}
request.CachePolicy = new RequestCachePolicy(RequestCacheLevel.BypassCache);
//request.Headers.Add(HeaderNames.CacheControl, "no-cache");
request.Method = method;
request.Timeout = options.TimeoutMs;
//request.Headers.Add(HeaderNames., options.TimeoutMs;
/*
if (!string.IsNullOrWhiteSpace(userInfo))
{
var parts = userInfo.Split(':');
if (parts.Length == 2)
{
request.Credentials = GetCredential(url, parts[0], parts[1]);
// TODO: .net core ??
request.PreAuthenticate = true;
request.Headers.Add(HeaderNames., GetCredential(url, parts[0], parts[1]);
}
}
*/
return request;
}
private static CredentialCache GetCredential(string url, string username, string password)
{
//ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3;
var credentialCache = new CredentialCache();
credentialCache.Add(new Uri(url), "Basic", new NetworkCredential(username, password));
return credentialCache;
}
private void AddRequestHeaders(HttpWebRequest request, HttpRequestOptions options)
private void AddRequestHeaders(HttpRequestMessage request, HttpRequestOptions options)
{
var hasUserAgent = false;
foreach (var header in options.RequestHeaders)
{
if (string.Equals(header.Key, HeaderNames.Accept, StringComparison.OrdinalIgnoreCase))
{
request.Accept = header.Value;
}
else if (string.Equals(header.Key, HeaderNames.UserAgent, StringComparison.OrdinalIgnoreCase))
if (string.Equals(header.Key, HeaderNames.UserAgent, StringComparison.OrdinalIgnoreCase))
{
SetUserAgent(request, header.Value);
hasUserAgent = true;
}
else
{
request.Headers.Set(header.Key, header.Value);
}
request.Headers.Add(header.Key, header.Value);
}
if (!hasUserAgent && options.EnableDefaultUserAgent)
{
SetUserAgent(request, _defaultUserAgentFn());
request.Headers.Add(HeaderNames.UserAgent, _defaultUserAgentFn());
}
}
private static void SetUserAgent(HttpWebRequest request, string userAgent)
{
request.UserAgent = userAgent;
}
/// <summary>
/// Gets the response internal.
/// </summary>
@ -213,7 +189,7 @@ namespace Emby.Server.Implementations.HttpClientManager
/// <returns>Task{HttpResponseInfo}.</returns>
public Task<HttpResponseInfo> GetResponse(HttpRequestOptions options)
{
return SendAsync(options, "GET");
return SendAsync(options, HttpMethod.Get);
}
/// <summary>
@ -235,7 +211,21 @@ namespace Emby.Server.Implementations.HttpClientManager
/// <returns>Task{HttpResponseInfo}.</returns>
/// <exception cref="HttpException">
/// </exception>
public async Task<HttpResponseInfo> SendAsync(HttpRequestOptions options, string httpMethod)
public Task<HttpResponseInfo> SendAsync(HttpRequestOptions options, string httpMethod)
{
var httpMethod2 = GetHttpMethod(httpMethod);
return SendAsync(options, httpMethod2);
}
/// <summary>
/// send as an asynchronous operation.
/// </summary>
/// <param name="options">The options.</param>
/// <param name="httpMethod">The HTTP method.</param>
/// <returns>Task{HttpResponseInfo}.</returns>
/// <exception cref="HttpException">
/// </exception>
public async Task<HttpResponseInfo> SendAsync(HttpRequestOptions options, HttpMethod httpMethod)
{
if (options.CacheMode == CacheMode.None)
{
@ -263,6 +253,40 @@ namespace Emby.Server.Implementations.HttpClientManager
return response;
}
private HttpMethod GetHttpMethod(string httpMethod)
{
if (httpMethod.Equals("DELETE", StringComparison.OrdinalIgnoreCase))
{
return HttpMethod.Delete;
}
else if (httpMethod.Equals("GET", StringComparison.OrdinalIgnoreCase))
{
return HttpMethod.Get;
}
else if (httpMethod.Equals("HEAD", StringComparison.OrdinalIgnoreCase))
{
return HttpMethod.Head;
}
else if (httpMethod.Equals("OPTIONS", StringComparison.OrdinalIgnoreCase))
{
return HttpMethod.Options;
}
else if (httpMethod.Equals("POST", StringComparison.OrdinalIgnoreCase))
{
return HttpMethod.Post;
}
else if (httpMethod.Equals("PUT", StringComparison.OrdinalIgnoreCase))
{
return HttpMethod.Put;
}
else if (httpMethod.Equals("TRACE", StringComparison.OrdinalIgnoreCase))
{
return HttpMethod.Trace;
}
throw new ArgumentException("Invalid HTTP method", nameof(httpMethod));
}
private HttpResponseInfo GetCachedResponse(string responseCachePath, TimeSpan cacheLength, string url)
{
if (File.Exists(responseCachePath)
@ -294,31 +318,23 @@ namespace Emby.Server.Implementations.HttpClientManager
}
}
private async Task<HttpResponseInfo> SendAsyncInternal(HttpRequestOptions options, string httpMethod)
private async Task<HttpResponseInfo> SendAsyncInternal(HttpRequestOptions options, HttpMethod 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 client = GetHttpClient(options.Url, options.EnableHttpCompression);
var httpWebRequest = GetRequest(options, httpMethod);
var httpWebRequest = GetRequestMessage(options, httpMethod);
if (options.RequestContentBytes != null ||
!string.IsNullOrEmpty(options.RequestContent) ||
string.Equals(httpMethod, "post", StringComparison.OrdinalIgnoreCase))
httpMethod == HttpMethod.Post)
{
try
{
var bytes = options.RequestContentBytes ?? Encoding.UTF8.GetBytes(options.RequestContent ?? string.Empty);
httpWebRequest.Content = new StringContent(Encoding.UTF8.GetString(options.RequestContentBytes) ?? options.RequestContent ?? string.Empty);
var contentType = options.RequestContentType ?? "application/x-www-form-urlencoded";
@ -327,8 +343,8 @@ namespace Emby.Server.Implementations.HttpClientManager
contentType = contentType.TrimEnd(';') + "; charset=\"utf-8\"";
}
httpWebRequest.ContentType = contentType;
(await httpWebRequest.GetRequestStreamAsync().ConfigureAwait(false)).Write(bytes, 0, bytes.Length);
httpWebRequest.Headers.Add(HeaderNames.ContentType, contentType);
await client.SendAsync(httpWebRequest).ConfigureAwait(false);
}
catch (Exception ex)
{
@ -341,68 +357,45 @@ namespace Emby.Server.Implementations.HttpClientManager
await options.ResourcePool.WaitAsync(options.CancellationToken).ConfigureAwait(false);
}
if ((DateTime.UtcNow - client.LastTimeout).TotalSeconds < TimeoutSeconds)
{
options.ResourcePool?.Release();
throw new HttpException($"Connection to {options.Url} timed out") { IsTimedOut = true };
}
if (options.LogRequest)
{
if (options.LogRequestAsDebug)
{
_logger.LogDebug("HttpClientManager {0}: {1}", httpMethod.ToUpper(CultureInfo.CurrentCulture), options.Url);
}
else
{
_logger.LogInformation("HttpClientManager {0}: {1}", httpMethod.ToUpper(CultureInfo.CurrentCulture), options.Url);
}
_logger.LogDebug("HttpClientManager {0}: {1}", httpMethod.ToString(), options.Url);
}
try
{
options.CancellationToken.ThrowIfCancellationRequested();
if (!options.BufferContent)
/*if (!options.BufferContent)
{
var response = await GetResponseAsync(httpWebRequest, TimeSpan.FromMilliseconds(options.TimeoutMs)).ConfigureAwait(false);
var httpResponse = (HttpWebResponse)response;
var response = await client.HttpClient.SendAsync(httpWebRequest).ConfigureAwait(false);
EnsureSuccessStatusCode(client, httpResponse, options);
await EnsureSuccessStatusCode(client, response, options).ConfigureAwait(false);
options.CancellationToken.ThrowIfCancellationRequested();
return GetResponseInfo(httpResponse, httpResponse.GetResponseStream(), GetContentLength(httpResponse), httpResponse);
}
return GetResponseInfo(response, await response.Content.ReadAsStreamAsync().ConfigureAwait(false), response.Content.Headers.ContentLength, response);
}*/
using (var response = await GetResponseAsync(httpWebRequest, TimeSpan.FromMilliseconds(options.TimeoutMs)).ConfigureAwait(false))
using (var response = await client.SendAsync(httpWebRequest).ConfigureAwait(false))
{
var httpResponse = (HttpWebResponse)response;
EnsureSuccessStatusCode(client, httpResponse, options);
await EnsureSuccessStatusCode(response, options).ConfigureAwait(false);
options.CancellationToken.ThrowIfCancellationRequested();
using (var stream = httpResponse.GetResponseStream())
using (var stream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false))
{
var memoryStream = new MemoryStream();
await stream.CopyToAsync(memoryStream).ConfigureAwait(false);
memoryStream.Position = 0;
return GetResponseInfo(httpResponse, memoryStream, memoryStream.Length, null);
return GetResponseInfo(response, memoryStream, memoryStream.Length, null);
}
}
}
catch (OperationCanceledException ex)
{
throw GetCancellationException(options, client, options.CancellationToken, ex);
}
catch (Exception ex)
{
throw GetException(ex, options, client);
throw GetCancellationException(options, options.CancellationToken, ex);
}
finally
{
@ -410,69 +403,54 @@ namespace Emby.Server.Implementations.HttpClientManager
}
}
private HttpResponseInfo GetResponseInfo(HttpWebResponse httpResponse, Stream content, long? contentLength, IDisposable disposable)
private HttpResponseInfo GetResponseInfo(HttpResponseMessage httpResponse, Stream content, long? contentLength, IDisposable disposable)
{
var responseInfo = new HttpResponseInfo(disposable)
{
Content = content,
StatusCode = httpResponse.StatusCode,
ContentType = httpResponse.ContentType,
ContentType = httpResponse.Content.Headers.ContentType?.MediaType,
ContentLength = contentLength,
ResponseUrl = httpResponse.ResponseUri.ToString()
ResponseUrl = httpResponse.Content.Headers.ContentLocation?.ToString()
};
if (httpResponse.Headers != null)
{
SetHeaders(httpResponse.Headers, responseInfo);
SetHeaders(httpResponse.Content.Headers, responseInfo);
}
return responseInfo;
}
private HttpResponseInfo GetResponseInfo(HttpWebResponse httpResponse, string tempFile, long? contentLength)
private HttpResponseInfo GetResponseInfo(HttpResponseMessage httpResponse, string tempFile, long? contentLength)
{
var responseInfo = new HttpResponseInfo
{
TempFilePath = tempFile,
StatusCode = httpResponse.StatusCode,
ContentType = httpResponse.ContentType,
ContentType = httpResponse.Content.Headers.ContentType?.MediaType,
ContentLength = contentLength
};
if (httpResponse.Headers != null)
{
SetHeaders(httpResponse.Headers, responseInfo);
SetHeaders(httpResponse.Content.Headers, responseInfo);
}
return responseInfo;
}
private static void SetHeaders(WebHeaderCollection headers, HttpResponseInfo responseInfo)
private static void SetHeaders(HttpContentHeaders headers, HttpResponseInfo responseInfo)
{
foreach (var key in headers.AllKeys)
foreach (var key in headers)
{
responseInfo.Headers[key] = headers[key];
responseInfo.Headers[key.Key] = string.Join(", ", key.Value);
}
}
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;
return SendAsync(options, HttpMethod.Post);
}
/// <summary>
@ -482,9 +460,10 @@ namespace Emby.Server.Implementations.HttpClientManager
/// <returns>Task{System.String}.</returns>
public async Task<string> GetTempFile(HttpRequestOptions options)
{
var response = await GetTempFileResponse(options).ConfigureAwait(false);
return response.TempFilePath;
using (var response = await GetTempFileResponse(options).ConfigureAwait(false))
{
return response.TempFilePath;
}
}
public async Task<HttpResponseInfo> GetTempFileResponse(HttpRequestOptions options)
@ -502,7 +481,7 @@ namespace Emby.Server.Implementations.HttpClientManager
options.CancellationToken.ThrowIfCancellationRequested();
var httpWebRequest = GetRequest(options, "GET");
var httpWebRequest = GetRequestMessage(options, HttpMethod.Get);
if (options.ResourcePool != null)
{
@ -513,33 +492,22 @@ namespace Emby.Server.Implementations.HttpClientManager
if (options.LogRequest)
{
if (options.LogRequestAsDebug)
{
_logger.LogDebug("HttpClientManager.GetTempFileResponse url: {0}", options.Url);
}
else
{
_logger.LogInformation("HttpClientManager.GetTempFileResponse url: {0}", options.Url);
}
_logger.LogDebug("HttpClientManager.GetTempFileResponse url: {0}", options.Url);
}
var client = GetHttpClient(GetHostFromUrl(options.Url), options.EnableHttpCompression);
var client = GetHttpClient(options.Url, options.EnableHttpCompression);
try
{
options.CancellationToken.ThrowIfCancellationRequested();
using (var response = await httpWebRequest.GetResponseAsync().ConfigureAwait(false))
using (var response = (await client.SendAsync(httpWebRequest).ConfigureAwait(false)))
{
var httpResponse = (HttpWebResponse)response;
EnsureSuccessStatusCode(client, httpResponse, options);
await EnsureSuccessStatusCode(response, options).ConfigureAwait(false);
options.CancellationToken.ThrowIfCancellationRequested();
var contentLength = GetContentLength(httpResponse);
using (var stream = httpResponse.GetResponseStream())
using (var stream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false))
using (var fs = _fileSystem.GetFileStream(tempFile, FileOpenMode.Create, FileAccessMode.Write, FileShareMode.Read, true))
{
await stream.CopyToAsync(fs, StreamDefaults.DefaultCopyToBufferSize, options.CancellationToken).ConfigureAwait(false);
@ -547,13 +515,18 @@ namespace Emby.Server.Implementations.HttpClientManager
options.Progress.Report(100);
return GetResponseInfo(httpResponse, tempFile, contentLength);
var contentLength = response.Content.Headers.ContentLength;
return GetResponseInfo(response, tempFile, contentLength);
}
}
catch (Exception ex)
{
DeleteTempFile(tempFile);
throw GetException(ex, options, client);
if (File.Exists(tempFile))
{
File.Delete(tempFile);
}
throw GetException(ex, options);
}
finally
{
@ -561,21 +534,7 @@ namespace Emby.Server.Implementations.HttpClientManager
}
}
private static 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)
private Exception GetException(Exception ex, HttpRequestOptions options)
{
if (ex is HttpException)
{
@ -599,11 +558,6 @@ namespace Emby.Server.Implementations.HttpClientManager
if (response != null)
{
exception.StatusCode = response.StatusCode;
if ((int)response.StatusCode == 429)
{
client.LastTimeout = DateTime.UtcNow;
}
}
}
@ -624,7 +578,7 @@ namespace Emby.Server.Implementations.HttpClientManager
if (operationCanceledException != null)
{
return GetCancellationException(options, client, options.CancellationToken, operationCanceledException);
return GetCancellationException(options, options.CancellationToken, operationCanceledException);
}
if (options.LogErrors)
@ -635,18 +589,6 @@ namespace Emby.Server.Implementations.HttpClientManager
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))
@ -682,11 +624,10 @@ namespace Emby.Server.Implementations.HttpClientManager
/// 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)
private Exception GetCancellationException(HttpRequestOptions options, CancellationToken cancellationToken, OperationCanceledException exception)
{
// If the HttpClient's timeout is reached, it will cancel the Task internally
if (!cancellationToken.IsCancellationRequested)
@ -698,8 +639,6 @@ namespace Emby.Server.Implementations.HttpClientManager
_logger.LogError(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)
{
@ -710,91 +649,20 @@ namespace Emby.Server.Implementations.HttpClientManager
return exception;
}
private void EnsureSuccessStatusCode(HttpClientInfo client, HttpWebResponse response, HttpRequestOptions options)
private async Task EnsureSuccessStatusCode(HttpResponseMessage response, HttpRequestOptions options)
{
var statusCode = response.StatusCode;
var isSuccessful = statusCode >= HttpStatusCode.OK && statusCode <= (HttpStatusCode)299;
if (isSuccessful)
if (response.IsSuccessStatusCode)
{
return;
}
if (options.LogErrorResponseBody)
{
try
{
using (var stream = response.GetResponseStream())
{
if (stream != null)
{
using (var reader = new StreamReader(stream))
{
var msg = reader.ReadToEnd();
_logger.LogError(msg);
}
}
}
}
catch
{
var msg = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
_logger.LogError(msg);
}
}
throw new HttpException(response.StatusDescription)
throw new HttpException(response.ReasonPhrase)
{
StatusCode = response.StatusCode
};
}
private static Task<WebResponse> GetResponseAsync(WebRequest request, TimeSpan timeout)
{
var taskCompletion = new TaskCompletionSource<WebResponse>();
var asyncTask = Task.Factory.FromAsync(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 && state != null)
{
var request = (WebRequest)state;
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(Enumerable.Empty<Exception>());
}
else
{
taskCompletion.TrySetException(task.Exception);
}
}
}
}
}

1
MediaBrowser.Common/Net/HttpRequestOptions.cs
Unescape View File

@ -99,7 +99,6 @@ namespace MediaBrowser.Common.Net
public bool EnableDefaultUserAgent { get; set; }
public bool AppendCharsetToMimeType { get; set; }
public string DownloadFilePath { get; set; }
private string GetHeaderValue(string name)
{

11
MediaBrowser.Common/Net/IHttpClient.cs
Unescape View File

@ -1,5 +1,6 @@
using System.IO;
using System.Threading.Tasks;
using System.Net.Http;
namespace MediaBrowser.Common.Net
{
@ -23,6 +24,8 @@ namespace MediaBrowser.Common.Net
Task<Stream> Get(HttpRequestOptions options);
/// <summary>
/// Warning: Depricated function,
/// use 'Task<HttpResponseInfo> SendAsync(HttpRequestOptions options, HttpMethod httpMethod);' instead
/// Sends the asynchronous.
/// </summary>
/// <param name="options">The options.</param>
@ -30,6 +33,14 @@ namespace MediaBrowser.Common.Net
/// <returns>Task{HttpResponseInfo}.</returns>
Task<HttpResponseInfo> SendAsync(HttpRequestOptions options, string httpMethod);
/// <summary>
/// Sends the asynchronous.
/// </summary>
/// <param name="options">The options.</param>
/// <param name="httpMethod">The HTTP method.</param>
/// <returns>Task{HttpResponseInfo}.</returns>
Task<HttpResponseInfo> SendAsync(HttpRequestOptions options, HttpMethod httpMethod);
/// <summary>
/// Posts the specified options.
/// </summary>

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