mcs/class/System.Net.Http.WebRequest/System.Net.Http.WebRequest/WebRequestHandler.cs

   1 //
   2 // WebRequestHandler.cs
   3 //
   4 // Author:
   5 //       Martin Baulig <martin.baulig@xamarin.com>
   6 //
   7 // Copyright (c) 2013 Xamarin Inc. (http://www.xamarin.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining a copy
  10 // of this software and associated documentation files (the "Software"), to deal
  11 // in the Software without restriction, including without limitation the rights
  12 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  13 // copies of the Software, and to permit persons to whom the Software is
  14 // furnished to do so, subject to the following conditions:
  15 //
  16 // The above copyright notice and this permission notice shall be included in
  17 // all copies or substantial portions of the Software.
  18 //
  19 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  20 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  22 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  23 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  24 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  25 // THE SOFTWARE.
  26 using System;
  27 using System.Net.Cache;
  28 using System.Net.Security;
  29 using System.Security.Principal;
  30 using System.Security.Cryptography.X509Certificates;
  31
  32 namespace System.Net.Http
  33 {
  34         public class WebRequestHandler : HttpClientHandler
  35         {
  36                 bool allowPipelining;
  37                 RequestCachePolicy cachePolicy;
  38                 AuthenticationLevel authenticationLevel;
  39                 TimeSpan continueTimeout;
  40                 TokenImpersonationLevel impersonationLevel;
  41                 int maxResponseHeadersLength;
  42                 int readWriteTimeout;
  43                 RemoteCertificateValidationCallback serverCertificateValidationCallback;
  44                 bool unsafeAuthenticatedConnectionSharing;
  45
  46                 public WebRequestHandler ()
  47                 {
  48                         allowPipelining = true;
  49                         authenticationLevel = AuthenticationLevel.MutualAuthRequested;
  50                         cachePolicy = System.Net.WebRequest.DefaultCachePolicy;
  51                         continueTimeout = TimeSpan.FromMilliseconds (350);
  52                         impersonationLevel = TokenImpersonationLevel.Delegation;
  53                         maxResponseHeadersLength = HttpWebRequest.DefaultMaximumResponseHeadersLength;
  54                         readWriteTimeout = 300000;
  55                         serverCertificateValidationCallback = null;
  56                         unsafeAuthenticatedConnectionSharing = false;
  57                 }
  58
  59                 public bool AllowPipelining {
  60                         get { return allowPipelining; }
  61                         set {
  62                                 EnsureModifiability ();
  63                                 allowPipelining = value;
  64                         }
  65                 }
  66
  67                 public RequestCachePolicy CachePolicy {
  68                         get { return cachePolicy; }
  69                         set {
  70                                 EnsureModifiability ();
  71                                 cachePolicy = value;
  72                         }
  73                 }
  74
  75                 public AuthenticationLevel AuthenticationLevel {
  76                         get { return authenticationLevel; }
  77                         set {
  78                                 EnsureModifiability ();
  79                                 authenticationLevel = value;
  80                         }
  81                 }
  82
  83                 [MonoTODO]
  84                 public X509CertificateCollection ClientCertificates {
  85                         get { throw new NotImplementedException (); }
  86                 }
  87
  88                 [MonoTODO]
  89                 public TimeSpan ContinueTimeout {
  90                         get { return continueTimeout; }
  91                         set {
  92                                 EnsureModifiability ();
  93                                 continueTimeout = value;
  94                         }
  95                 }
  96
  97                 public TokenImpersonationLevel ImpersonationLevel {
  98                         get { return impersonationLevel; }
  99                         set {
 100                                 EnsureModifiability ();
 101                                 impersonationLevel = value;
 102                         }
 103                 }
 104
 105                 public int MaxResponseHeadersLength {
 106                         get { return maxResponseHeadersLength; }
 107                         set {
 108                                 EnsureModifiability ();
 109                                 maxResponseHeadersLength = value;
 110                         }
 111                 }
 112
 113                 public int ReadWriteTimeout {
 114                         get { return readWriteTimeout; }
 115                         set {
 116                                 EnsureModifiability ();
 117                                 readWriteTimeout = value;
 118                         }
 119                 }
 120
 121                 [MonoTODO]
 122                 public RemoteCertificateValidationCallback ServerCertificateValidationCallback {
 123                         get { return serverCertificateValidationCallback; }
 124                         set {
 125                                 EnsureModifiability ();
 126                                 serverCertificateValidationCallback = value;
 127                         }
 128                 }
 129
 130                 public bool UnsafeAuthenticatedConnectionSharing {
 131                         get { return unsafeAuthenticatedConnectionSharing; }
 132                         set {
 133                                 EnsureModifiability ();
 134                                 unsafeAuthenticatedConnectionSharing = value;
 135                         }
 136                 }
 137
 138                 internal override HttpWebRequest CreateWebRequest (HttpRequestMessage request)
 139                 {
 140                         HttpWebRequest wr = base.CreateWebRequest (request);
 141
 142                         wr.Pipelined = allowPipelining;
 143                         wr.AuthenticationLevel = authenticationLevel;
 144                         wr.CachePolicy = cachePolicy;
 145                         wr.ImpersonationLevel = impersonationLevel;
 146                         wr.MaximumResponseHeadersLength = maxResponseHeadersLength;
 147                         wr.ReadWriteTimeout = readWriteTimeout;
 148                         wr.UnsafeAuthenticatedConnectionSharing = unsafeAuthenticatedConnectionSharing;
 149
 150                         return wr;
 151                 }
 152         }
 153 }
 154