crobibero
4 years ago
commit
8a08111adc
@ -1,335 +0,0 @@
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using System;
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using System.Collections.Concurrent;
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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.Http;
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using System.Threading.Tasks;
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using MediaBrowser.Common;
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using MediaBrowser.Common.Configuration;
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using MediaBrowser.Common.Extensions;
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using MediaBrowser.Common.Net;
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using MediaBrowser.Model.IO;
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using MediaBrowser.Model.Net;
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using Microsoft.Extensions.Logging;
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using Microsoft.Net.Http.Headers;
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namespace Emby.Server.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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private readonly ILogger<HttpClientManager> _logger;
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private readonly IApplicationPaths _appPaths;
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private readonly IFileSystem _fileSystem;
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private readonly IApplicationHost _appHost;
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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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ILogger<HttpClientManager> logger,
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IFileSystem fileSystem,
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IApplicationHost appHost)
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{
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_logger = logger ?? throw new ArgumentNullException(nameof(logger));
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_fileSystem = fileSystem;
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_appPaths = appPaths ?? throw new ArgumentNullException(nameof(appPaths));
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_appHost = appHost;
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}
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/// <summary>
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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 url.</param>
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/// <returns>HttpClient.</returns>
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private HttpClient GetHttpClient(string url)
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{
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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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};
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_httpClients.TryAdd(key, client);
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}
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return client;
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}
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private HttpRequestMessage GetRequestMessage(HttpRequestOptions options, HttpMethod method)
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{
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string url = options.Url;
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var uriAddress = new Uri(url);
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string userInfo = uriAddress.UserInfo;
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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, StringComparison.Ordinal);
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}
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var request = new HttpRequestMessage(method, url);
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foreach (var header in options.RequestHeaders)
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{
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request.Headers.TryAddWithoutValidation(header.Key, header.Value);
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}
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if (options.EnableDefaultUserAgent
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&& !request.Headers.TryGetValues(HeaderNames.UserAgent, out _))
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{
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request.Headers.Add(HeaderNames.UserAgent, _appHost.ApplicationUserAgent);
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}
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switch (options.DecompressionMethod)
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{
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case CompressionMethods.Deflate | CompressionMethods.Gzip:
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request.Headers.Add(HeaderNames.AcceptEncoding, new[] { "gzip", "deflate" });
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break;
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case CompressionMethods.Deflate:
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request.Headers.Add(HeaderNames.AcceptEncoding, "deflate");
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break;
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case CompressionMethods.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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{
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request.Headers.Add(HeaderNames.Connection, "Keep-Alive");
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}
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// request.Headers.Add(HeaderNames.CacheControl, "no-cache");
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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.Headers.Add(HeaderNames., GetCredential(url, parts[0], parts[1]);
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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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/// <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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=> 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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/// </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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return response.Content;
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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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public Task<HttpResponseInfo> SendAsync(HttpRequestOptions options, string httpMethod)
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=> SendAsync(options, new HttpMethod(httpMethod));
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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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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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{
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return await SendAsyncInternal(options, httpMethod).ConfigureAwait(false);
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}
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var url = options.Url;
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var urlHash = url.ToUpperInvariant().GetMD5().ToString("N", CultureInfo.InvariantCulture);
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var responseCachePath = Path.Combine(_appPaths.CachePath, "httpclient", urlHash);
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var response = GetCachedResponse(responseCachePath, options.CacheLength, url);
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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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response = await SendAsyncInternal(options, httpMethod).ConfigureAwait(false);
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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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return response;
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}
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private HttpResponseInfo GetCachedResponse(string responseCachePath, TimeSpan cacheLength, string url)
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{
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if (File.Exists(responseCachePath)
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&& _fileSystem.GetLastWriteTimeUtc(responseCachePath).Add(cacheLength) > DateTime.UtcNow)
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{
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var stream = new FileStream(responseCachePath, FileMode.Open, FileAccess.Read, FileShare.Read, IODefaults.FileStreamBufferSize, true);
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return new HttpResponseInfo
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{
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ResponseUrl = url,
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Content = stream,
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StatusCode = HttpStatusCode.OK,
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ContentLength = stream.Length
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};
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}
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return null;
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}
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private async Task CacheResponse(HttpResponseInfo response, string responseCachePath)
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{
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Directory.CreateDirectory(Path.GetDirectoryName(responseCachePath));
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using (var fileStream = new FileStream(
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responseCachePath,
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FileMode.Create,
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FileAccess.Write,
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FileShare.None,
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IODefaults.FileStreamBufferSize,
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true))
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{
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await response.Content.CopyToAsync(fileStream).ConfigureAwait(false);
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response.Content.Position = 0;
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}
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}
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private async Task<HttpResponseInfo> SendAsyncInternal(HttpRequestOptions options, HttpMethod httpMethod)
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{
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ValidateParams(options);
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options.CancellationToken.ThrowIfCancellationRequested();
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var client = GetHttpClient(options.Url);
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var httpWebRequest = GetRequestMessage(options, httpMethod);
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if (!string.IsNullOrEmpty(options.RequestContent)
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|| httpMethod == HttpMethod.Post)
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{
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if (options.RequestContent != null)
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{
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httpWebRequest.Content = new StringContent(
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options.RequestContent,
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null,
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options.RequestContentType);
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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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}
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options.CancellationToken.ThrowIfCancellationRequested();
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var response = await client.SendAsync(
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httpWebRequest,
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options.BufferContent || options.CacheMode == CacheMode.Unconditional ? HttpCompletionOption.ResponseContentRead : HttpCompletionOption.ResponseHeadersRead,
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options.CancellationToken).ConfigureAwait(false);
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await EnsureSuccessStatusCode(response, options).ConfigureAwait(false);
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options.CancellationToken.ThrowIfCancellationRequested();
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var stream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false);
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return new HttpResponseInfo(response.Headers, response.Content.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 = response.Content.Headers.ContentLength,
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ResponseUrl = response.Content.Headers.ContentLocation?.ToString()
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};
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}
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/// <inheritdoc />
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public Task<HttpResponseInfo> Post(HttpRequestOptions options)
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=> SendAsync(options, HttpMethod.Post);
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private void ValidateParams(HttpRequestOptions options)
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{
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if (string.IsNullOrEmpty(options.Url))
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{
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throw new ArgumentNullException(nameof(options));
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}
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}
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/// <summary>
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/// Gets the host from URL.
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/// </summary>
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/// <param name="url">The URL.</param>
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/// <returns>System.String.</returns>
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private static string GetHostFromUrl(string url)
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{
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var index = url.IndexOf("://", StringComparison.OrdinalIgnoreCase);
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if (index != -1)
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{
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url = url.Substring(index + 3);
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var host = url.Split(new[] { '/' }, StringSplitOptions.RemoveEmptyEntries).FirstOrDefault();
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if (!string.IsNullOrWhiteSpace(host))
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{
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return host;
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}
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}
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return url;
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}
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private async Task EnsureSuccessStatusCode(HttpResponseMessage response, HttpRequestOptions options)
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{
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if (response.IsSuccessStatusCode)
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{
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return;
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}
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if (options.LogErrorResponseBody)
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{
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string msg = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
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_logger.LogError("HTTP request failed with message: {Message}", msg);
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}
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throw new HttpException(response.ReasonPhrase)
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{
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StatusCode = response.StatusCode
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};
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}
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}
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}
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@ -1,56 +0,0 @@
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using System.Collections.Generic;
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using System.Linq;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.AspNetCore.Mvc.ApplicationModels;
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namespace Jellyfin.Api
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{
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/// <summary>
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/// Route prefixing for ASP.NET MVC.
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/// </summary>
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public static class MvcRoutePrefix
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{
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/// <summary>
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/// Adds route prefixes to the MVC conventions.
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/// </summary>
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/// <param name="opts">The MVC options.</param>
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/// <param name="prefixes">The list of prefixes.</param>
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public static void UseGeneralRoutePrefix(this MvcOptions opts, params string[] prefixes)
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{
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opts.Conventions.Insert(0, new RoutePrefixConvention(prefixes));
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}
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private class RoutePrefixConvention : IApplicationModelConvention
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{
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private readonly AttributeRouteModel[] _routePrefixes;
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public RoutePrefixConvention(IEnumerable<string> prefixes)
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{
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_routePrefixes = prefixes.Select(p => new AttributeRouteModel(new RouteAttribute(p))).ToArray();
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}
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public void Apply(ApplicationModel application)
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{
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foreach (var controller in application.Controllers)
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{
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if (controller.Selectors == null)
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{
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continue;
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}
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var newSelectors = new List<SelectorModel>();
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foreach (var selector in controller.Selectors)
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{
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newSelectors.AddRange(_routePrefixes.Select(routePrefix => new SelectorModel(selector)
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{
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AttributeRouteModel = AttributeRouteModel.CombineAttributeRouteModel(routePrefix, selector.AttributeRouteModel)
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}));
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}
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controller.Selectors.Clear();
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newSelectors.ForEach(selector => controller.Selectors.Add(selector));
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}
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}
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}
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}
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}
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