mcs/class/System.Runtime.Remoting/System.Runtime.Remoting.Channels.Http/HttpRemotingHandler.cs

   1 //
   2 // System.Runtime.Remoting.Channels.Http.HttpRemotingHandler
   3 //
   4 // Authors:
   5 //      Martin Willemoes Hansen (mwh@sysrq.dk)
   6 //      Lluis Sanchez Gual (lluis@ximian.com)
   7 //
   8 // (C) 2003 Martin Willemoes Hansen
   9 //
  10
  11 //
  12 // Permission is hereby granted, free of charge, to any person obtaining
  13 // a copy of this software and associated documentation files (the
  14 // "Software"), to deal in the Software without restriction, including
  15 // without limitation the rights to use, copy, modify, merge, publish,
  16 // distribute, sublicense, and/or sell copies of the Software, and to
  17 // permit persons to whom the Software is furnished to do so, subject to
  18 // the following conditions:
  19 //
  20 // The above copyright notice and this permission notice shall be
  21 // included in all copies or substantial portions of the Software.
  22 //
  23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 //
  31
  32 using System;
  33 using System.IO;
  34 using System.Web;
  35 using System.Collections;
  36
  37 namespace System.Runtime.Remoting.Channels.Http
  38 {
  39         public class HttpRemotingHandler : IHttpHandler
  40         {
  41                 HttpServerTransportSink transportSink;
  42
  43                 public HttpRemotingHandler ()
  44                 {
  45                 }
  46
  47                 [MonoTODO]
  48                 public HttpRemotingHandler (Type type, object srvID)
  49                 {
  50                         throw new NotImplementedException ();
  51                 }
  52
  53                 internal HttpRemotingHandler (HttpServerTransportSink sink)
  54                 {
  55                         transportSink = sink;
  56                 }
  57
  58                 public bool IsReusable {
  59                         get { return true; }
  60                 }
  61
  62                 public void ProcessRequest (HttpContext context)
  63                 {
  64                         HttpRequest request = context.Request;
  65                         HttpResponse response = context.Response;
  66
  67                         // Create transport headers for the request
  68
  69                         TransportHeaders theaders = new TransportHeaders();
  70
  71                         string objectUri = request.RawUrl;
  72                         objectUri = objectUri.Substring (request.ApplicationPath.Length);       // application path is not part of the uri
  73                         if (request.ApplicationPath.Length > 0 &&
  74                            (objectUri.StartsWith("/") || objectUri.StartsWith(@"\")) )
  75                         {
  76                                 objectUri = objectUri.Substring(1);
  77                         }
  78
  79                         theaders ["__RequestUri"] = objectUri;
  80                         theaders ["Content-Type"] = request.ContentType;
  81                         theaders ["__RequestVerb"]= request.HttpMethod;
  82                         theaders ["__HttpVersion"] = request.Headers ["http-version"];
  83                         theaders ["User-Agent"] = request.UserAgent;
  84                         theaders ["Host"] = request.Headers ["host"];
  85
  86                         ITransportHeaders responseHeaders;
  87                         Stream responseStream;
  88
  89                         // Dispatch the request
  90
  91                         transportSink.DispatchRequest (request.InputStream, theaders, out responseStream, out responseHeaders);
  92
  93                         // Write the response
  94
  95                         if (responseHeaders != null && responseHeaders["__HttpStatusCode"] != null)
  96                         {
  97                                 // The formatter can set the status code
  98                                 response.StatusCode = int.Parse ((string) responseHeaders["__HttpStatusCode"]);
  99                                 response.StatusDescription = (string) responseHeaders["__HttpReasonPhrase"];
 100                         }
 101
 102                         if (responseHeaders != null)
 103                         {
 104                                 foreach (DictionaryEntry entry in responseHeaders)
 105                                 {
 106                                         string key = entry.Key.ToString();
 107                                         if (key != CommonTransportKeys.HttpStatusCode && key != CommonTransportKeys.HttpReasonPhrase)
 108                                                 response.AppendHeader(key, entry.Value.ToString());
 109                                 }
 110                         }
 111
 112                         byte[] bodyBuffer = bodyBuffer = new byte [responseStream.Length];
 113                         responseStream.Seek (0, SeekOrigin.Begin);
 114
 115                         int nr = 0;
 116                         while (nr < responseStream.Length)
 117                                 nr += responseStream.Read (bodyBuffer, nr, bodyBuffer.Length - nr);
 118
 119                         response.OutputStream.Write (bodyBuffer, 0, bodyBuffer.Length);
 120                 }
 121         }
 122 }