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@@ -1,808 +0,0 @@
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-using MediaBrowser.Common.Extensions;
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-using MediaBrowser.Common.Kernel;
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-using System;
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-using System.Collections;
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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.IO.Compression;
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-using System.Linq;
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-using System.Net;
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-using System.Text;
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-using System.Threading.Tasks;
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-
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-namespace MediaBrowser.Common.Net.Handlers
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-{
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- /// <summary>
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- /// Class BaseHandler
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- /// </summary>
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- public abstract class BaseHandler<TKernelType> : IHttpServerHandler
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- where TKernelType : IKernel
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- {
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- /// <summary>
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- /// Initializes the specified kernel.
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- /// </summary>
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- /// <param name="kernel">The kernel.</param>
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- public void Initialize(IKernel kernel)
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- {
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- Kernel = (TKernelType)kernel;
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- }
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-
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- /// <summary>
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- /// Gets or sets the kernel.
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- /// </summary>
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- /// <value>The kernel.</value>
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- protected TKernelType Kernel { get; private set; }
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-
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- /// <summary>
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- /// Gets the URL suffix used to determine if this handler can process a request.
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- /// </summary>
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- /// <value>The URL suffix.</value>
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- protected virtual string UrlSuffix
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- {
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- get
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- {
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- var name = GetType().Name;
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-
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- const string srch = "Handler";
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-
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- if (name.EndsWith(srch, StringComparison.OrdinalIgnoreCase))
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- {
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- name = name.Substring(0, name.Length - srch.Length);
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- }
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-
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- return "api/" + name;
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- }
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- }
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-
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- /// <summary>
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- /// Handleses the request.
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- /// </summary>
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- /// <param name="request">The request.</param>
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- /// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
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- public virtual bool HandlesRequest(HttpListenerRequest request)
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- {
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- var name = '/' + UrlSuffix.TrimStart('/');
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-
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- var url = Kernel.WebApplicationName + name;
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-
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- return request.Url.LocalPath.EndsWith(url, StringComparison.OrdinalIgnoreCase);
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- }
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-
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- /// <summary>
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- /// Gets or sets the compressed stream.
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- /// </summary>
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- /// <value>The compressed stream.</value>
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- private Stream CompressedStream { get; set; }
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-
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- /// <summary>
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- /// Gets a value indicating whether [use chunked encoding].
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- /// </summary>
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- /// <value><c>null</c> if [use chunked encoding] contains no value, <c>true</c> if [use chunked encoding]; otherwise, <c>false</c>.</value>
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- public virtual bool? UseChunkedEncoding
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- {
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- get
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- {
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- return null;
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- }
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- }
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-
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- /// <summary>
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- /// The original HttpListenerContext
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- /// </summary>
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- /// <value>The HTTP listener context.</value>
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- protected HttpListenerContext HttpListenerContext { get; set; }
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-
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- /// <summary>
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- /// The _query string
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- /// </summary>
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- private NameValueCollection _queryString;
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- /// <summary>
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- /// The original QueryString
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- /// </summary>
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- /// <value>The query string.</value>
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- public NameValueCollection QueryString
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- {
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- get
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- {
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- // HttpListenerContext.Request.QueryString is not decoded properly
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- return _queryString;
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- }
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- }
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-
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- /// <summary>
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- /// The _requested ranges
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- /// </summary>
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- private List<KeyValuePair<long, long?>> _requestedRanges;
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- /// <summary>
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- /// Gets the requested ranges.
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- /// </summary>
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- /// <value>The requested ranges.</value>
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- protected IEnumerable<KeyValuePair<long, long?>> RequestedRanges
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- {
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- get
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- {
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- if (_requestedRanges == null)
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- {
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- _requestedRanges = new List<KeyValuePair<long, long?>>();
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-
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- if (IsRangeRequest)
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- {
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- // Example: bytes=0-,32-63
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- var ranges = HttpListenerContext.Request.Headers["Range"].Split('=')[1].Split(',');
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-
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- foreach (var range in ranges)
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- {
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- var vals = range.Split('-');
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-
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- long start = 0;
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- long? end = null;
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-
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- if (!string.IsNullOrEmpty(vals[0]))
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- {
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- start = long.Parse(vals[0]);
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- }
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- if (!string.IsNullOrEmpty(vals[1]))
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- {
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- end = long.Parse(vals[1]);
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- }
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-
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- _requestedRanges.Add(new KeyValuePair<long, long?>(start, end));
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- }
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- }
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- }
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-
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- return _requestedRanges;
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- }
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- }
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-
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- /// <summary>
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- /// Gets a value indicating whether this instance is range request.
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- /// </summary>
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- /// <value><c>true</c> if this instance is range request; otherwise, <c>false</c>.</value>
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- protected bool IsRangeRequest
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- {
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- get
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- {
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- return HttpListenerContext.Request.Headers.AllKeys.Contains("Range");
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- }
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- }
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-
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- /// <summary>
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- /// Gets a value indicating whether [client supports compression].
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- /// </summary>
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- /// <value><c>true</c> if [client supports compression]; otherwise, <c>false</c>.</value>
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- protected bool ClientSupportsCompression
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- {
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- get
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- {
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- var enc = HttpListenerContext.Request.Headers["Accept-Encoding"] ?? string.Empty;
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-
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- return enc.Equals("*", StringComparison.OrdinalIgnoreCase) ||
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- enc.IndexOf("deflate", StringComparison.OrdinalIgnoreCase) != -1 ||
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- enc.IndexOf("gzip", StringComparison.OrdinalIgnoreCase) != -1;
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- }
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- }
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-
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- /// <summary>
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- /// Gets the compression method.
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- /// </summary>
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- /// <value>The compression method.</value>
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- private string CompressionMethod
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- {
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- get
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- {
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- var enc = HttpListenerContext.Request.Headers["Accept-Encoding"] ?? string.Empty;
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-
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- if (enc.IndexOf("deflate", StringComparison.OrdinalIgnoreCase) != -1 || enc.Equals("*", StringComparison.OrdinalIgnoreCase))
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- {
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- return "deflate";
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- }
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- if (enc.IndexOf("gzip", StringComparison.OrdinalIgnoreCase) != -1)
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- {
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- return "gzip";
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- }
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-
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- return null;
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- }
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- }
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-
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- /// <summary>
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- /// Processes the request.
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- /// </summary>
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- /// <param name="ctx">The CTX.</param>
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- /// <returns>Task.</returns>
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- public virtual async Task ProcessRequest(HttpListenerContext ctx)
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- {
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- HttpListenerContext = ctx;
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-
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- ctx.Response.AddHeader("Access-Control-Allow-Origin", "*");
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-
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- ctx.Response.KeepAlive = true;
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-
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- try
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- {
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- await ProcessRequestInternal(ctx).ConfigureAwait(false);
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- }
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- catch (InvalidOperationException ex)
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- {
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- HandleException(ctx.Response, ex, 422);
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-
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- throw;
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- }
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- catch (ResourceNotFoundException ex)
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- {
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- HandleException(ctx.Response, ex, 404);
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-
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- throw;
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- }
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- catch (FileNotFoundException ex)
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- {
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- HandleException(ctx.Response, ex, 404);
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-
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- throw;
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- }
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- catch (DirectoryNotFoundException ex)
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- {
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- HandleException(ctx.Response, ex, 404);
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-
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- throw;
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- }
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- catch (UnauthorizedAccessException ex)
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- {
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- HandleException(ctx.Response, ex, 401);
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-
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- throw;
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- }
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- catch (ArgumentException ex)
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- {
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- HandleException(ctx.Response, ex, 400);
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-
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- throw;
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- }
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- catch (Exception ex)
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- {
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- HandleException(ctx.Response, ex, 500);
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-
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- throw;
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- }
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- finally
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- {
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- DisposeResponseStream();
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- }
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- }
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-
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- /// <summary>
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- /// Appends the error message.
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- /// </summary>
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- /// <param name="response">The response.</param>
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- /// <param name="ex">The ex.</param>
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- /// <param name="statusCode">The status code.</param>
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- private void HandleException(HttpListenerResponse response, Exception ex, int statusCode)
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- {
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- response.StatusCode = statusCode;
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-
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- response.Headers.Add("Status", statusCode.ToString(new CultureInfo("en-US")));
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-
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- response.Headers.Remove("Age");
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- response.Headers.Remove("Expires");
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- response.Headers.Remove("Cache-Control");
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- response.Headers.Remove("Etag");
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- response.Headers.Remove("Last-Modified");
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-
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- response.ContentType = "text/plain";
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-
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- //Logger.ErrorException("Error processing request", ex);
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-
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- if (!string.IsNullOrEmpty(ex.Message))
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- {
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- response.AddHeader("X-Application-Error-Code", ex.Message);
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- }
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-
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- var bytes = Encoding.UTF8.GetBytes(ex.Message);
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-
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- var stream = CompressedStream ?? response.OutputStream;
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-
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- // This could fail, but try to add the stack trace as the body content
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- try
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- {
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- stream.Write(bytes, 0, bytes.Length);
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- }
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- catch (Exception ex1)
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- {
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- //Logger.ErrorException("Error dumping stack trace", ex1);
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- }
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- }
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-
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- /// <summary>
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- /// Processes the request internal.
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- /// </summary>
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- /// <param name="ctx">The CTX.</param>
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- /// <returns>Task.</returns>
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- private async Task ProcessRequestInternal(HttpListenerContext ctx)
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- {
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- var responseInfo = await GetResponseInfo().ConfigureAwait(false);
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-
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- // Let the client know if byte range requests are supported or not
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- if (responseInfo.SupportsByteRangeRequests)
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- {
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- ctx.Response.Headers["Accept-Ranges"] = "bytes";
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- }
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- else if (!responseInfo.SupportsByteRangeRequests)
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- {
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- ctx.Response.Headers["Accept-Ranges"] = "none";
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- }
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-
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- if (responseInfo.IsResponseValid && responseInfo.SupportsByteRangeRequests && IsRangeRequest)
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- {
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- // Set the initial status code
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- // When serving a range request, we need to return status code 206 to indicate a partial response body
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- responseInfo.StatusCode = 206;
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- }
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-
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- ctx.Response.ContentType = responseInfo.ContentType;
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-
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- if (responseInfo.Etag.HasValue)
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- {
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- ctx.Response.Headers["ETag"] = responseInfo.Etag.Value.ToString("N");
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- }
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-
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- var isCacheValid = true;
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-
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- // Validate If-Modified-Since
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- if (ctx.Request.Headers.AllKeys.Contains("If-Modified-Since"))
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- {
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- DateTime ifModifiedSince;
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-
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- if (DateTime.TryParse(ctx.Request.Headers["If-Modified-Since"], out ifModifiedSince))
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- {
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- isCacheValid = IsCacheValid(ifModifiedSince.ToUniversalTime(), responseInfo.CacheDuration,
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- responseInfo.DateLastModified);
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- }
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- }
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-
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- // Validate If-None-Match
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- if (isCacheValid &&
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- (responseInfo.Etag.HasValue || !string.IsNullOrEmpty(ctx.Request.Headers["If-None-Match"])))
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- {
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- Guid ifNoneMatch;
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-
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- if (Guid.TryParse(ctx.Request.Headers["If-None-Match"] ?? string.Empty, out ifNoneMatch))
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- {
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- if (responseInfo.Etag.HasValue && responseInfo.Etag.Value == ifNoneMatch)
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- {
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- responseInfo.StatusCode = 304;
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- }
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- }
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- }
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-
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- LogResponse(ctx, responseInfo);
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-
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- if (responseInfo.IsResponseValid)
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- {
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- await OnProcessingRequest(responseInfo).ConfigureAwait(false);
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- }
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-
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- if (responseInfo.IsResponseValid)
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- {
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- await ProcessUncachedRequest(ctx, responseInfo).ConfigureAwait(false);
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- }
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- else
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- {
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- if (responseInfo.StatusCode == 304)
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- {
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- AddAgeHeader(ctx.Response, responseInfo);
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- AddExpiresHeader(ctx.Response, responseInfo);
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- }
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-
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- ctx.Response.StatusCode = responseInfo.StatusCode;
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- ctx.Response.SendChunked = false;
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- }
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- }
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-
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- /// <summary>
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- /// The _null task result
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- /// </summary>
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- private readonly Task<bool> _nullTaskResult = Task.FromResult(true);
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-
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- /// <summary>
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- /// Called when [processing request].
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- /// </summary>
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- /// <param name="responseInfo">The response info.</param>
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- /// <returns>Task.</returns>
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- protected virtual Task OnProcessingRequest(ResponseInfo responseInfo)
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- {
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- return _nullTaskResult;
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- }
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-
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- /// <summary>
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- /// Logs the response.
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- /// </summary>
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- /// <param name="ctx">The CTX.</param>
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- /// <param name="responseInfo">The response info.</param>
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- private void LogResponse(HttpListenerContext ctx, ResponseInfo responseInfo)
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- {
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- // Don't log normal 200's
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- if (responseInfo.StatusCode == 200)
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- {
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- return;
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- }
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-
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- var log = new StringBuilder();
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-
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- log.AppendLine(string.Format("Url: {0}", ctx.Request.Url));
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-
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- log.AppendLine("Headers: " + string.Join(",", ctx.Response.Headers.AllKeys.Select(k => k + "=" + ctx.Response.Headers[k])));
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-
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- var msg = "Http Response Sent (" + responseInfo.StatusCode + ") to " + ctx.Request.RemoteEndPoint;
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-
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- if (Kernel.Configuration.EnableHttpLevelLogging)
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- {
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- //Logger.LogMultiline(msg, LogSeverity.Debug, log);
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- }
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- }
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-
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- /// <summary>
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- /// Processes the uncached request.
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- /// </summary>
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- /// <param name="ctx">The CTX.</param>
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- /// <param name="responseInfo">The response info.</param>
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- /// <returns>Task.</returns>
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- private async Task ProcessUncachedRequest(HttpListenerContext ctx, ResponseInfo responseInfo)
|
|
|
- {
|
|
|
- var totalContentLength = GetTotalContentLength(responseInfo);
|
|
|
-
|
|
|
- // By default, use chunked encoding if we don't know the content length
|
|
|
- var useChunkedEncoding = UseChunkedEncoding == null ? (totalContentLength == null) : UseChunkedEncoding.Value;
|
|
|
-
|
|
|
- // Don't force this to true. HttpListener will default it to true if supported by the client.
|
|
|
- if (!useChunkedEncoding)
|
|
|
- {
|
|
|
- ctx.Response.SendChunked = false;
|
|
|
- }
|
|
|
-
|
|
|
- // Set the content length, if we know it
|
|
|
- if (totalContentLength.HasValue)
|
|
|
- {
|
|
|
- ctx.Response.ContentLength64 = totalContentLength.Value;
|
|
|
- }
|
|
|
-
|
|
|
- var compressResponse = responseInfo.CompressResponse && ClientSupportsCompression;
|
|
|
-
|
|
|
- // Add the compression header
|
|
|
- if (compressResponse)
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|
|
- {
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|
|
- ctx.Response.AddHeader("Content-Encoding", CompressionMethod);
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|
|
- ctx.Response.AddHeader("Vary", "Accept-Encoding");
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|
|
- }
|
|
|
-
|
|
|
- // Don't specify both last modified and Etag, unless caching unconditionally. They are redundant
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|
|
- // https://developers.google.com/speed/docs/best-practices/caching#LeverageBrowserCaching
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|
|
- if (responseInfo.DateLastModified.HasValue && (!responseInfo.Etag.HasValue || responseInfo.CacheDuration.Ticks > 0))
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|
|
- {
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|
|
- ctx.Response.Headers[HttpResponseHeader.LastModified] = responseInfo.DateLastModified.Value.ToString("r");
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|
|
- AddAgeHeader(ctx.Response, responseInfo);
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|
|
- }
|
|
|
-
|
|
|
- // Add caching headers
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|
|
- ConfigureCaching(ctx.Response, responseInfo);
|
|
|
-
|
|
|
- // Set the status code
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|
- ctx.Response.StatusCode = responseInfo.StatusCode;
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|
|
-
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|
|
- if (responseInfo.IsResponseValid)
|
|
|
- {
|
|
|
- // Finally, write the response data
|
|
|
- var outputStream = ctx.Response.OutputStream;
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|
|
-
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|
|
- if (compressResponse)
|
|
|
- {
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|
|
- if (CompressionMethod.Equals("deflate", StringComparison.OrdinalIgnoreCase))
|
|
|
- {
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|
|
- CompressedStream = new DeflateStream(outputStream, CompressionLevel.Fastest, true);
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|
|
- }
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|
|
- else
|
|
|
- {
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|
|
- CompressedStream = new GZipStream(outputStream, CompressionLevel.Fastest, true);
|
|
|
- }
|
|
|
-
|
|
|
- outputStream = CompressedStream;
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|
|
- }
|
|
|
-
|
|
|
- await WriteResponseToOutputStream(outputStream, responseInfo, totalContentLength).ConfigureAwait(false);
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|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
- ctx.Response.SendChunked = false;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// Configures the caching.
|
|
|
- /// </summary>
|
|
|
- /// <param name="response">The response.</param>
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|
|
- /// <param name="responseInfo">The response info.</param>
|
|
|
- private void ConfigureCaching(HttpListenerResponse response, ResponseInfo responseInfo)
|
|
|
- {
|
|
|
- if (responseInfo.CacheDuration.Ticks > 0)
|
|
|
- {
|
|
|
- response.Headers[HttpResponseHeader.CacheControl] = "public, max-age=" + Convert.ToInt32(responseInfo.CacheDuration.TotalSeconds);
|
|
|
- }
|
|
|
- else if (responseInfo.Etag.HasValue)
|
|
|
- {
|
|
|
- response.Headers[HttpResponseHeader.CacheControl] = "public";
|
|
|
- }
|
|
|
- else
|
|
|
- {
|
|
|
- response.Headers[HttpResponseHeader.CacheControl] = "no-cache, no-store, must-revalidate";
|
|
|
- response.Headers[HttpResponseHeader.Pragma] = "no-cache, no-store, must-revalidate";
|
|
|
- }
|
|
|
-
|
|
|
- AddExpiresHeader(response, responseInfo);
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// Adds the expires header.
|
|
|
- /// </summary>
|
|
|
- /// <param name="response">The response.</param>
|
|
|
- /// <param name="responseInfo">The response info.</param>
|
|
|
- private void AddExpiresHeader(HttpListenerResponse response, ResponseInfo responseInfo)
|
|
|
- {
|
|
|
- if (responseInfo.CacheDuration.Ticks > 0)
|
|
|
- {
|
|
|
- response.Headers[HttpResponseHeader.Expires] = DateTime.UtcNow.Add(responseInfo.CacheDuration).ToString("r");
|
|
|
- }
|
|
|
- else if (!responseInfo.Etag.HasValue)
|
|
|
- {
|
|
|
- response.Headers[HttpResponseHeader.Expires] = "-1";
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// Adds the age header.
|
|
|
- /// </summary>
|
|
|
- /// <param name="response">The response.</param>
|
|
|
- /// <param name="responseInfo">The response info.</param>
|
|
|
- private void AddAgeHeader(HttpListenerResponse response, ResponseInfo responseInfo)
|
|
|
- {
|
|
|
- if (responseInfo.DateLastModified.HasValue)
|
|
|
- {
|
|
|
- response.Headers[HttpResponseHeader.Age] = Convert.ToInt32((DateTime.UtcNow - responseInfo.DateLastModified.Value).TotalSeconds).ToString(CultureInfo.InvariantCulture);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// Writes the response to output stream.
|
|
|
- /// </summary>
|
|
|
- /// <param name="stream">The stream.</param>
|
|
|
- /// <param name="responseInfo">The response info.</param>
|
|
|
- /// <param name="contentLength">Length of the content.</param>
|
|
|
- /// <returns>Task.</returns>
|
|
|
- protected abstract Task WriteResponseToOutputStream(Stream stream, ResponseInfo responseInfo, long? contentLength);
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// Disposes the response stream.
|
|
|
- /// </summary>
|
|
|
- protected virtual void DisposeResponseStream()
|
|
|
- {
|
|
|
- if (CompressedStream != null)
|
|
|
- {
|
|
|
- try
|
|
|
- {
|
|
|
- CompressedStream.Dispose();
|
|
|
- }
|
|
|
- catch (Exception ex)
|
|
|
- {
|
|
|
- //Logger.ErrorException("Error disposing compressed stream", ex);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- try
|
|
|
- {
|
|
|
- //HttpListenerContext.Response.OutputStream.Dispose();
|
|
|
- HttpListenerContext.Response.Close();
|
|
|
- }
|
|
|
- catch (Exception ex)
|
|
|
- {
|
|
|
- //Logger.ErrorException("Error disposing response", ex);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// Determines whether [is cache valid] [the specified if modified since].
|
|
|
- /// </summary>
|
|
|
- /// <param name="ifModifiedSince">If modified since.</param>
|
|
|
- /// <param name="cacheDuration">Duration of the cache.</param>
|
|
|
- /// <param name="dateModified">The date modified.</param>
|
|
|
- /// <returns><c>true</c> if [is cache valid] [the specified if modified since]; otherwise, <c>false</c>.</returns>
|
|
|
- private bool IsCacheValid(DateTime ifModifiedSince, TimeSpan cacheDuration, DateTime? dateModified)
|
|
|
- {
|
|
|
- if (dateModified.HasValue)
|
|
|
- {
|
|
|
- DateTime lastModified = NormalizeDateForComparison(dateModified.Value);
|
|
|
- ifModifiedSince = NormalizeDateForComparison(ifModifiedSince);
|
|
|
-
|
|
|
- return lastModified <= ifModifiedSince;
|
|
|
- }
|
|
|
-
|
|
|
- DateTime cacheExpirationDate = ifModifiedSince.Add(cacheDuration);
|
|
|
-
|
|
|
- if (DateTime.UtcNow < cacheExpirationDate)
|
|
|
- {
|
|
|
- return true;
|
|
|
- }
|
|
|
-
|
|
|
- return false;
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// When the browser sends the IfModifiedDate, it's precision is limited to seconds, so this will account for that
|
|
|
- /// </summary>
|
|
|
- /// <param name="date">The date.</param>
|
|
|
- /// <returns>DateTime.</returns>
|
|
|
- private DateTime NormalizeDateForComparison(DateTime date)
|
|
|
- {
|
|
|
- return new DateTime(date.Year, date.Month, date.Day, date.Hour, date.Minute, date.Second, date.Kind);
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// Gets the total length of the content.
|
|
|
- /// </summary>
|
|
|
- /// <param name="responseInfo">The response info.</param>
|
|
|
- /// <returns>System.Nullable{System.Int64}.</returns>
|
|
|
- protected virtual long? GetTotalContentLength(ResponseInfo responseInfo)
|
|
|
- {
|
|
|
- return null;
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// Gets the response info.
|
|
|
- /// </summary>
|
|
|
- /// <returns>Task{ResponseInfo}.</returns>
|
|
|
- protected abstract Task<ResponseInfo> GetResponseInfo();
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// Gets a bool query string param.
|
|
|
- /// </summary>
|
|
|
- /// <param name="name">The name.</param>
|
|
|
- /// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
|
|
|
- protected bool GetBoolQueryStringParam(string name)
|
|
|
- {
|
|
|
- var val = QueryString[name] ?? string.Empty;
|
|
|
-
|
|
|
- return val.Equals("1", StringComparison.OrdinalIgnoreCase) || val.Equals("true", StringComparison.OrdinalIgnoreCase);
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// The _form values
|
|
|
- /// </summary>
|
|
|
- private Hashtable _formValues;
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// Gets a value from form POST data
|
|
|
- /// </summary>
|
|
|
- /// <param name="name">The name.</param>
|
|
|
- /// <returns>Task{System.String}.</returns>
|
|
|
- protected async Task<string> GetFormValue(string name)
|
|
|
- {
|
|
|
- if (_formValues == null)
|
|
|
- {
|
|
|
- _formValues = await GetFormValues(HttpListenerContext.Request).ConfigureAwait(false);
|
|
|
- }
|
|
|
-
|
|
|
- if (_formValues.ContainsKey(name))
|
|
|
- {
|
|
|
- return _formValues[name].ToString();
|
|
|
- }
|
|
|
-
|
|
|
- return null;
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// Extracts form POST data from a request
|
|
|
- /// </summary>
|
|
|
- /// <param name="request">The request.</param>
|
|
|
- /// <returns>Task{Hashtable}.</returns>
|
|
|
- private async Task<Hashtable> GetFormValues(HttpListenerRequest request)
|
|
|
- {
|
|
|
- var formVars = new Hashtable();
|
|
|
-
|
|
|
- if (request.HasEntityBody)
|
|
|
- {
|
|
|
- if (request.ContentType.IndexOf("application/x-www-form-urlencoded", StringComparison.OrdinalIgnoreCase) != -1)
|
|
|
- {
|
|
|
- using (var requestBody = request.InputStream)
|
|
|
- {
|
|
|
- using (var reader = new StreamReader(requestBody, request.ContentEncoding))
|
|
|
- {
|
|
|
- var s = await reader.ReadToEndAsync().ConfigureAwait(false);
|
|
|
-
|
|
|
- var pairs = s.Split('&');
|
|
|
-
|
|
|
- foreach (var pair in pairs)
|
|
|
- {
|
|
|
- var index = pair.IndexOf('=');
|
|
|
-
|
|
|
- if (index != -1)
|
|
|
- {
|
|
|
- var name = pair.Substring(0, index);
|
|
|
- var value = pair.Substring(index + 1);
|
|
|
- formVars.Add(name, value);
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- return formVars;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// Class ResponseInfo
|
|
|
- /// </summary>
|
|
|
- public class ResponseInfo
|
|
|
- {
|
|
|
- /// <summary>
|
|
|
- /// Gets or sets the type of the content.
|
|
|
- /// </summary>
|
|
|
- /// <value>The type of the content.</value>
|
|
|
- public string ContentType { get; set; }
|
|
|
- /// <summary>
|
|
|
- /// Gets or sets the etag.
|
|
|
- /// </summary>
|
|
|
- /// <value>The etag.</value>
|
|
|
- public Guid? Etag { get; set; }
|
|
|
- /// <summary>
|
|
|
- /// Gets or sets the date last modified.
|
|
|
- /// </summary>
|
|
|
- /// <value>The date last modified.</value>
|
|
|
- public DateTime? DateLastModified { get; set; }
|
|
|
- /// <summary>
|
|
|
- /// Gets or sets the duration of the cache.
|
|
|
- /// </summary>
|
|
|
- /// <value>The duration of the cache.</value>
|
|
|
- public TimeSpan CacheDuration { get; set; }
|
|
|
- /// <summary>
|
|
|
- /// Gets or sets a value indicating whether [compress response].
|
|
|
- /// </summary>
|
|
|
- /// <value><c>true</c> if [compress response]; otherwise, <c>false</c>.</value>
|
|
|
- public bool CompressResponse { get; set; }
|
|
|
- /// <summary>
|
|
|
- /// Gets or sets the status code.
|
|
|
- /// </summary>
|
|
|
- /// <value>The status code.</value>
|
|
|
- public int StatusCode { get; set; }
|
|
|
- /// <summary>
|
|
|
- /// Gets or sets a value indicating whether [supports byte range requests].
|
|
|
- /// </summary>
|
|
|
- /// <value><c>true</c> if [supports byte range requests]; otherwise, <c>false</c>.</value>
|
|
|
- public bool SupportsByteRangeRequests { get; set; }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// Initializes a new instance of the <see cref="ResponseInfo" /> class.
|
|
|
- /// </summary>
|
|
|
- public ResponseInfo()
|
|
|
- {
|
|
|
- CacheDuration = TimeSpan.FromTicks(0);
|
|
|
-
|
|
|
- CompressResponse = true;
|
|
|
-
|
|
|
- StatusCode = 200;
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// Gets a value indicating whether this instance is response valid.
|
|
|
- /// </summary>
|
|
|
- /// <value><c>true</c> if this instance is response valid; otherwise, <c>false</c>.</value>
|
|
|
- public bool IsResponseValid
|
|
|
- {
|
|
|
- get
|
|
|
- {
|
|
|
- return StatusCode >= 200 && StatusCode < 300;
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-}
|