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 
SecurityReplyChannel( SecurityChannelListener<IReplyChannel> source, IReplyChannel innerChannel)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 
OnOpen(TimeSpan timeout)60 		protected override void OnOpen (TimeSpan timeout)
61 		{
62 			inner.Open (timeout);
63 		}
64 
OnClose(TimeSpan timeout)65 		protected override void OnClose (TimeSpan timeout)
66 		{
67 			inner.Close (timeout);
68 		}
69 
ReceiveRequest(TimeSpan timeout)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 
TryReceiveRequest(TimeSpan timeout, out RequestContext context)78 		public override bool TryReceiveRequest (TimeSpan timeout, out RequestContext context)
79 		{
80 			DateTime start = DateTime.UtcNow;
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.UtcNow - start));
99 				else
100 					throw new MessageSecurityException ("This reply channel does not expect incoming WS-Trust requests");
101 
102 				context.Reply (res, timeout - (DateTime.UtcNow - start));
103 				context.Close (timeout - (DateTime.UtcNow - start));
104 				// wait for another incoming message
105 				return TryReceiveRequest (timeout - (DateTime.UtcNow - start), out context);
106 
107 				break;
108 			}
109 
110 			context = new SecurityRequestContext (this, context);
111 			return true;
112 		}
113 
114 		[MonoTODO]
WaitForRequest(TimeSpan timeout)115 		public override bool WaitForRequest (TimeSpan timeout)
116 		{
117 			throw new NotImplementedException ();
118 		}
119 
120 		// IChannel
121 
GetProperty()122 		public override T GetProperty<T> ()
123 		{
124 			// FIXME: implement
125 			return inner.GetProperty<T> ();
126 		}
127 	}
128 }
129