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@ -23,30 +23,24 @@ namespace Emby.Server.Implementations.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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/// <summary>
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/// The _logger
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/// </summary>
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private readonly ILogger _logger;
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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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private readonly IFileSystem _fileSystem;
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private readonly Func<string> _defaultUserAgentFn;
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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, HttpClient> _httpClients = new ConcurrentDictionary<string, HttpClient>();
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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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public HttpClientManager(
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IApplicationPaths appPaths,
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ILoggerFactory loggerFactory,
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ILogger<HttpClientManager> logger,
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IFileSystem fileSystem,
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Func<string> defaultUserAgentFn)
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{
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@ -55,41 +49,28 @@ namespace Emby.Server.Implementations.HttpClientManager
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throw new ArgumentNullException(nameof(appPaths));
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}
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if (loggerFactory == null)
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if (logger == null)
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{
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throw new ArgumentNullException(nameof(loggerFactory));
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throw new ArgumentNullException(nameof(logger));
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}
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_logger = loggerFactory.CreateLogger(nameof(HttpClientManager));
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_logger = logger;
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_fileSystem = fileSystem;
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_appPaths = appPaths;
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_defaultUserAgentFn = defaultUserAgentFn;
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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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/// <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, HttpClient> _httpClients = new ConcurrentDictionary<string, HttpClient>();
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/// <summary>
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/// Gets
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/// Gets the correct http client for the given url.
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/// </summary>
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/// <param name="url">The host.</param>
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/// <param name="enableHttpCompression">if set to <c>true</c> [enable HTTP compression].</param>
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/// <param name="url">The url.</param>
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/// <returns>HttpClient.</returns>
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/// <exception cref="ArgumentNullException">host</exception>
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private HttpClient GetHttpClient(string url, bool enableHttpCompression)
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private HttpClient GetHttpClient(string url)
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{
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var key = GetHostFromUrl(url) + enableHttpCompression;
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var key = GetHostFromUrl(url);
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if (!_httpClients.TryGetValue(key, out var client))
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{
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client = new HttpClient()
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{
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BaseAddress = new Uri(url)
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@ -109,24 +90,26 @@ namespace Emby.Server.Implementations.HttpClientManager
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if (!string.IsNullOrWhiteSpace(userInfo))
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{
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_logger.LogWarning("Found userInfo in url: {0} ... url: {1}", userInfo, url);
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url = url.Replace(userInfo + "@", string.Empty);
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url = url.Replace(userInfo + '@', string.Empty);
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}
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var request = new HttpRequestMessage(method, url);
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AddRequestHeaders(request, options);
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if (options.EnableHttpCompression)
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{
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if (options.DecompressionMethod.HasValue
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&& options.DecompressionMethod.Value == CompressionMethod.Gzip)
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switch (options.DecompressionMethod)
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{
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case CompressionMethod.Deflate | CompressionMethod.Gzip:
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request.Headers.Add(HeaderNames.AcceptEncoding, new[] { "gzip", "deflate" });
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}
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else
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{
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break;
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case CompressionMethod.Deflate:
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request.Headers.Add(HeaderNames.AcceptEncoding, "deflate");
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}
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break;
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case CompressionMethod.Gzip:
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request.Headers.Add(HeaderNames.AcceptEncoding, "gzip");
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break;
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default:
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break;
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}
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if (options.EnableKeepAlive)
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@ -134,20 +117,8 @@ namespace Emby.Server.Implementations.HttpClientManager
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request.Headers.Add(HeaderNames.Connection, "Keep-Alive");
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}
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if (!string.IsNullOrEmpty(options.Host))
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{
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request.Headers.Add(HeaderNames.Host, options.Host);
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}
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if (!string.IsNullOrEmpty(options.Referer))
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{
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request.Headers.Add(HeaderNames.Referer, options.Referer);
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}
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//request.Headers.Add(HeaderNames.CacheControl, "no-cache");
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//request.Headers.Add(HeaderNames., options.TimeoutMs;
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/*
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if (!string.IsNullOrWhiteSpace(userInfo))
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{
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@ -188,9 +159,7 @@ namespace Emby.Server.Implementations.HttpClientManager
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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, HttpMethod.Get);
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}
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=> SendAsync(options, HttpMethod.Get);
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/// <summary>
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/// Performs a GET request and returns the resulting stream
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@ -209,8 +178,6 @@ namespace Emby.Server.Implementations.HttpClientManager
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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 Task<HttpResponseInfo> SendAsync(HttpRequestOptions options, string httpMethod)
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{
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var httpMethod2 = GetHttpMethod(httpMethod);
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@ -223,8 +190,6 @@ namespace Emby.Server.Implementations.HttpClientManager
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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, HttpMethod httpMethod)
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{
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if (options.CacheMode == CacheMode.None)
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@ -324,18 +289,29 @@ namespace Emby.Server.Implementations.HttpClientManager
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options.CancellationToken.ThrowIfCancellationRequested();
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var client = GetHttpClient(options.Url, options.EnableHttpCompression);
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var client = GetHttpClient(options.Url);
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var httpWebRequest = GetRequestMessage(options, httpMethod);
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if (options.RequestContentBytes != null ||
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!string.IsNullOrEmpty(options.RequestContent) ||
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httpMethod == HttpMethod.Post)
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if (options.RequestContentBytes != null
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|| !string.IsNullOrEmpty(options.RequestContent)
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|| httpMethod == HttpMethod.Post)
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{
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try
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if (options.RequestContentBytes != null)
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{
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httpWebRequest.Content = new ByteArrayContent(options.RequestContentBytes);
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}
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else if (options.RequestContent != null)
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{
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httpWebRequest.Content = new StringContent(Encoding.UTF8.GetString(options.RequestContentBytes) ?? options.RequestContent ?? string.Empty);
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httpWebRequest.Content = new StringContent(options.RequestContent);
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}
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else
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{
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httpWebRequest.Content = new ByteArrayContent(Array.Empty<byte>());
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}
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// TODO: add correct content type
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/*
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var contentType = options.RequestContentType ?? "application/x-www-form-urlencoded";
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if (options.AppendCharsetToMimeType)
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@ -343,13 +319,7 @@ namespace Emby.Server.Implementations.HttpClientManager
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contentType = contentType.TrimEnd(';') + "; charset=\"utf-8\"";
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}
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httpWebRequest.Headers.Add(HeaderNames.ContentType, contentType);
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await client.SendAsync(httpWebRequest).ConfigureAwait(false);
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}
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catch (Exception ex)
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{
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throw new HttpException(ex.Message) { IsTimedOut = true };
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}
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httpWebRequest.Headers.Add(HeaderNames.ContentType, contentType);*/
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}
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if (options.LogRequest)
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@ -357,22 +327,28 @@ namespace Emby.Server.Implementations.HttpClientManager
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_logger.LogDebug("HttpClientManager {0}: {1}", httpMethod.ToString(), options.Url);
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}
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try
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{
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options.CancellationToken.ThrowIfCancellationRequested();
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/*if (!options.BufferContent)
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if (!options.BufferContent)
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{
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var response = await client.HttpClient.SendAsync(httpWebRequest).ConfigureAwait(false);
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var response = await client.SendAsync(httpWebRequest, options.CancellationToken).ConfigureAwait(false);
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await EnsureSuccessStatusCode(client, response, options).ConfigureAwait(false);
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await EnsureSuccessStatusCode(response, options).ConfigureAwait(false);
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options.CancellationToken.ThrowIfCancellationRequested();
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return GetResponseInfo(response, await response.Content.ReadAsStreamAsync().ConfigureAwait(false), response.Content.Headers.ContentLength, response);
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}*/
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var stream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false);
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return new HttpResponseInfo(response.Headers)
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{
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Content = stream,
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StatusCode = response.StatusCode,
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ContentType = response.Content.Headers.ContentType?.MediaType,
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ContentLength = stream.Length,
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ResponseUrl = response.Content.Headers.ContentLocation?.ToString()
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};
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}
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using (var response = await client.SendAsync(httpWebRequest).ConfigureAwait(false))
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using (var response = await client.SendAsync(httpWebRequest, options.CancellationToken).ConfigureAwait(false))
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{
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await EnsureSuccessStatusCode(response, options).ConfigureAwait(false);
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@ -381,68 +357,23 @@ namespace Emby.Server.Implementations.HttpClientManager
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using (var stream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false))
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{
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var memoryStream = new MemoryStream();
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await stream.CopyToAsync(memoryStream).ConfigureAwait(false);
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await stream.CopyToAsync(memoryStream, StreamDefaults.DefaultCopyToBufferSize, options.CancellationToken).ConfigureAwait(false);
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memoryStream.Position = 0;
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return GetResponseInfo(response, memoryStream, memoryStream.Length, null);
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}
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}
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}
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catch (OperationCanceledException ex)
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{
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throw GetCancellationException(options, options.CancellationToken, ex);
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}
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}
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private HttpResponseInfo GetResponseInfo(HttpResponseMessage httpResponse, Stream content, long? contentLength, IDisposable disposable)
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{
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var responseInfo = new HttpResponseInfo(disposable)
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return new HttpResponseInfo(response.Headers)
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{
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Content = content,
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StatusCode = httpResponse.StatusCode,
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ContentType = httpResponse.Content.Headers.ContentType?.MediaType,
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ContentLength = contentLength,
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ResponseUrl = httpResponse.Content.Headers.ContentLocation?.ToString()
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Content = memoryStream,
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StatusCode = response.StatusCode,
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ContentType = response.Content.Headers.ContentType?.MediaType,
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ContentLength = memoryStream.Length,
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ResponseUrl = response.Content.Headers.ContentLocation?.ToString()
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};
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if (httpResponse.Headers != null)
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{
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SetHeaders(httpResponse.Content.Headers, responseInfo);
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}
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return responseInfo;
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}
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private HttpResponseInfo GetResponseInfo(HttpResponseMessage httpResponse, string tempFile, long? contentLength)
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{
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var responseInfo = new HttpResponseInfo
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{
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TempFilePath = tempFile,
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StatusCode = httpResponse.StatusCode,
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ContentType = httpResponse.Content.Headers.ContentType?.MediaType,
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ContentLength = contentLength
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};
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if (httpResponse.Headers != null)
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{
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SetHeaders(httpResponse.Content.Headers, responseInfo);
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}
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return responseInfo;
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}
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|
private static void SetHeaders(HttpContentHeaders headers, HttpResponseInfo responseInfo)
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|
|
{
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|
|
foreach (var key in headers)
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{
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responseInfo.Headers[key.Key] = string.Join(", ", key.Value);
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}
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}
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public Task<HttpResponseInfo> Post(HttpRequestOptions options)
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{
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return SendAsync(options, HttpMethod.Post);
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}
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=> SendAsync(options, HttpMethod.Post);
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/// <summary>
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/// Downloads the contents of a given url into a temporary location
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@ -451,11 +382,9 @@ namespace Emby.Server.Implementations.HttpClientManager
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/// <returns>Task{System.String}.</returns>
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public async Task<string> GetTempFile(HttpRequestOptions options)
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{
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using (var response = await GetTempFileResponse(options).ConfigureAwait(false))
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{
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var response = await GetTempFileResponse(options).ConfigureAwait(false);
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return response.TempFilePath;
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}
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}
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public async Task<HttpResponseInfo> GetTempFileResponse(HttpRequestOptions options)
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|
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{
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|
@ -481,13 +410,13 @@ namespace Emby.Server.Implementations.HttpClientManager
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_logger.LogDebug("HttpClientManager.GetTempFileResponse url: {0}", options.Url);
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|
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}
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|
|
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var client = GetHttpClient(options.Url, options.EnableHttpCompression);
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|
|
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|
var client = GetHttpClient(options.Url);
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|
|
|
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|
|
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|
try
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{
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|
|
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options.CancellationToken.ThrowIfCancellationRequested();
|
|
|
|
|
|
|
|
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|
using (var response = (await client.SendAsync(httpWebRequest).ConfigureAwait(false)))
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|
|
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|
using (var response = (await client.SendAsync(httpWebRequest, options.CancellationToken).ConfigureAwait(false)))
|
|
|
|
|
{
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|
|
|
|
await EnsureSuccessStatusCode(response, options).ConfigureAwait(false);
|
|
|
|
|
|
|
|
|
@ -501,8 +430,15 @@ namespace Emby.Server.Implementations.HttpClientManager
|
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|
|
|
|
|
|
|
|
options.Progress.Report(100);
|
|
|
|
|
|
|
|
|
|
var contentLength = response.Content.Headers.ContentLength;
|
|
|
|
|
return GetResponseInfo(response, tempFile, contentLength);
|
|
|
|
|
var responseInfo = new HttpResponseInfo(response.Headers)
|
|
|
|
|
{
|
|
|
|
|
TempFilePath = tempFile,
|
|
|
|
|
StatusCode = response.StatusCode,
|
|
|
|
|
ContentType = response.Content.Headers.ContentType?.MediaType,
|
|
|
|
|
ContentLength = response.Content.Headers.ContentLength
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
return responseInfo;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
catch (Exception ex)
|
|
|
|
@ -530,7 +466,7 @@ namespace Emby.Server.Implementations.HttpClientManager
|
|
|
|
|
{
|
|
|
|
|
if (options.LogErrors)
|
|
|
|
|
{
|
|
|
|
|
_logger.LogError(webException, "Error {status} getting response from {url}", webException.Status, options.Url);
|
|
|
|
|
_logger.LogError(webException, "Error {Status} getting response from {Url}", webException.Status, options.Url);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
var exception = new HttpException(webException.Message, webException);
|
|
|
|
@ -565,7 +501,7 @@ namespace Emby.Server.Implementations.HttpClientManager
|
|
|
|
|
|
|
|
|
|
if (options.LogErrors)
|
|
|
|
|
{
|
|
|
|
|
_logger.LogError(ex, "Error getting response from {url}", options.Url);
|
|
|
|
|
_logger.LogError(ex, "Error getting response from {Url}", options.Url);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return ex;
|
|
|
|
@ -639,7 +575,7 @@ namespace Emby.Server.Implementations.HttpClientManager
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
var msg = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
|
|
|
|
|
_logger.LogError(msg);
|
|
|
|
|
_logger.LogError("HTTP request failed with message: {Message}", msg);
|
|
|
|
|
|
|
|
|
|
throw new HttpException(response.ReasonPhrase)
|
|
|
|
|
{
|
|
|
|
|