mcs/class/System.ServiceModel/System.ServiceModel.Channels.Security/SecurityReplyChannel.cs

   1 //
   2 // SecurityReplyChannel.cs
   3 //
   4 // Author:
   5 //      Atsushi Enomoto <atsushi@ximian.com>
   6 //
   7 // Copyright (C) 2006,2010 Novell, Inc.  http://www.novell.com
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28 using System.Collections.Generic;
  29 using System.Collections.ObjectModel;
  30 using System.Net.Security;
  31 using System.IdentityModel.Selectors;
  32 using System.IdentityModel.Tokens;
  33 using System.Security.Cryptography.X509Certificates;
  34 using System.ServiceModel;
  35 using System.ServiceModel.Channels;
  36 using System.ServiceModel.Description;
  37 using System.ServiceModel.Security;
  38 using System.ServiceModel.Security.Tokens;
  39
  40 namespace System.ServiceModel.Channels.Security
  41 {
  42         internal class SecurityReplyChannel : InternalReplyChannelBase
  43         {
  44                 IReplyChannel inner;
  45
  46                 public SecurityReplyChannel (
  47                         SecurityChannelListener<IReplyChannel> source,
  48                         IReplyChannel innerChannel)
  49                         : base (source)
  50                 {
  51                         this.inner = innerChannel;
  52                 }
  53
  54                 public SecurityChannelListener<IReplyChannel> Source {
  55                         get { return (SecurityChannelListener<IReplyChannel>) Listener; }
  56                 }
  57
  58                 // IReplyChannel
  59
  60                 protected override void OnOpen (TimeSpan timeout)
  61                 {
  62                         inner.Open (timeout);
  63                 }
  64
  65                 protected override void OnClose (TimeSpan timeout)
  66                 {
  67                         inner.Close (timeout);
  68                 }
  69
  70                 public override RequestContext ReceiveRequest (TimeSpan timeout)
  71                 {
  72                         RequestContext ctx;
  73                         if (TryReceiveRequest (timeout, out ctx))
  74                                 return ctx;
  75                         throw new TimeoutException ("Failed to receive request context");
  76                 }
  77
  78                 public override bool TryReceiveRequest (TimeSpan timeout, out RequestContext context)
  79                 {
  80                         DateTime start = DateTime.Now;
  81
  82                         if (!inner.TryReceiveRequest (timeout, out context))
  83                                 return false;
  84                         if (context == null)
  85                                 return true;
  86
  87                         Message req, res;
  88                         req = context.RequestMessage;
  89                         switch (req.Headers.Action) {
  90                         case Constants.WstIssueAction:
  91                         case Constants.WstIssueReplyAction:
  92                         case Constants.WstRenewAction:
  93                         case Constants.WstCancelAction:
  94                         case Constants.WstValidateAction:
  95                                 var support = Source.SecuritySupport;
  96                                 var commAuth = support.TokenAuthenticator as CommunicationSecurityTokenAuthenticator;
  97                                 if (commAuth != null)
  98                                         res = commAuth.Communication.ProcessNegotiation (req, timeout - (DateTime.Now - start));
  99                                 else
 100                                         throw new MessageSecurityException ("This reply channel does not expect incoming WS-Trust requests");
 101
 102                                 context.Reply (res, timeout - (DateTime.Now - start));
 103                                 context.Close (timeout - (DateTime.Now - start));
 104                                 // wait for another incoming message
 105                                 return TryReceiveRequest (timeout - (DateTime.Now - start), out context);
 106
 107                                 break;
 108                         }
 109
 110                         context = new SecurityRequestContext (this, context);
 111                         return true;
 112                 }
 113
 114                 [MonoTODO]
 115                 public override bool WaitForRequest (TimeSpan timeout)
 116                 {
 117                         throw new NotImplementedException ();
 118                 }
 119
 120                 // IChannel
 121
 122                 public override T GetProperty<T> ()
 123                 {
 124                         // FIXME: implement
 125                         return inner.GetProperty<T> ();
 126                 }
 127         }
 128 }