class/Mono.Http/Mono.Http.Modules/AcceptEncodingModule.cs

   1 //
   2 // AcceptEncodingModule.cs
   3 //
   4 // Authors:
   5 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   6 //
   7 // (c) 2003 Ximian, Inc (http://www.ximian.com)
   8 //
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using System;
  32 using System.Configuration;
  33 using System.IO;
  34 using System.Web;
  35 using Mono.Http.Configuration;
  36
  37 namespace Mono.Http.Modules
  38 {
  39         public class AcceptEncodingModule : IHttpModule
  40         {
  41                 static readonly string configSection = "mono.aspnet/acceptEncoding";
  42                 AcceptEncodingConfig config;
  43
  44                 public void Init (HttpApplication app)
  45                 {
  46                         app.BeginRequest += new EventHandler (CheckIfAddFilter);
  47                 }
  48
  49                 public void Dispose ()
  50                 {
  51                 }
  52
  53                 void CheckIfAddFilter (object sender, EventArgs args)
  54                 {
  55                         HttpApplication app = (HttpApplication) sender;
  56                         HttpRequest request = app.Request;
  57                         HttpResponse response = app.Response;
  58
  59                         if (config == null)
  60                                 config = (AcceptEncodingConfig) app.Context.GetConfig (configSection);
  61
  62                         if (config != null)
  63                                 config.SetFilter (response, request.Headers ["Accept-Encoding"]);
  64                 }
  65         }
  66 }
  67