mcs/class/System.ServiceModel/System.ServiceModel.Channels/SecurityOutputChannel.cs

   1 //
   2 // SecurityRequestChannel.cs
   3 //
   4 // Author:
   5 //      Atsushi Enomoto  <atsushi@ximian.com>
   6 //
   7 // Copyright (C) 2006 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
  29 using System;
  30 using System.Collections.Generic;
  31 using System.Collections.ObjectModel;
  32 using System.IdentityModel.Selectors;
  33 using System.IdentityModel.Tokens;
  34 using System.Runtime.Serialization;
  35 using System.Security.Cryptography;
  36 using System.Security.Cryptography.X509Certificates;
  37 using System.Security.Cryptography.Xml;
  38 using System.ServiceModel;
  39 using System.ServiceModel.Channels;
  40 using System.ServiceModel.Description;
  41 using System.ServiceModel.Security;
  42 using System.ServiceModel.Security.Tokens;
  43 using System.Xml;
  44 using System.Xml.XPath;
  45
  46 using ReqType = System.ServiceModel.Security.Tokens.ServiceModelSecurityTokenRequirement;
  47
  48 namespace System.ServiceModel.Channels
  49 {
  50         class SecurityOutputChannel : SecurityOutputChannelBase
  51         {
  52                 SecurityChannelFactory<IOutputChannel> source;
  53
  54                 public SecurityOutputChannel (IOutputChannel innerChannel, SecurityChannelFactory<IOutputChannel> source)
  55                         : base (innerChannel)
  56                 {
  57                         this.source = source;
  58                         InitializeSecurityFunctionality (source.SecuritySupport);
  59                 }
  60
  61                 public override ChannelFactoryBase Factory {
  62                         get { return source; }
  63                 }
  64         }
  65
  66         class SecurityOutputSessionChannel : SecurityOutputChannelBase
  67         {
  68                 SecurityChannelFactory<IOutputSessionChannel> source;
  69
  70                 public SecurityOutputSessionChannel (IOutputSessionChannel innerChannel, SecurityChannelFactory<IOutputSessionChannel> source)
  71                         : base (innerChannel)
  72                 {
  73                         this.source = source;
  74                         InitializeSecurityFunctionality (source.SecuritySupport);
  75                 }
  76
  77                 public override ChannelFactoryBase Factory {
  78                         get { return source; }
  79                 }
  80         }
  81
  82         abstract class SecurityOutputChannelBase : LayeredOutputChannel
  83         {
  84                 InitiatorMessageSecurityBindingSupport security;
  85
  86                 protected SecurityOutputChannelBase (IOutputChannel innerChannel)
  87                         : base (innerChannel)
  88                 {
  89                         Opened += new EventHandler (AcquireSecurityKey);
  90                         Closing += new EventHandler (ReleaseSecurityKey);
  91                 }
  92
  93                 protected void InitializeSecurityFunctionality (InitiatorMessageSecurityBindingSupport security)
  94                 {
  95                         this.security = security;
  96                 }
  97
  98                 protected override IAsyncResult OnBeginSend (Message message, TimeSpan timeout, AsyncCallback callback, object state)
  99                 {
 100                         Message secure = SecureMessage (message);
 101                         return base.BeginSend (secure, timeout, callback, state);
 102                 }
 103
 104                 protected override void OnEndSend (IAsyncResult result)
 105                 {
 106                         // FIXME: it must be also asynchronized.
 107                         base.EndSend (result);
 108                 }
 109
 110                 protected override void OnSend (Message message, TimeSpan timeout)
 111                 {
 112                         Message secure = SecureMessage (message);
 113                         base.OnSend (secure, timeout);
 114                 }
 115
 116                 Message SecureMessage (Message msg)
 117                 {
 118                         return new InitiatorMessageSecurityGenerator (msg, security, RemoteAddress).SecureMessage ();
 119                 }
 120
 121                 void AcquireSecurityKey (object o, EventArgs e)
 122                 {
 123                         security.Prepare (Factory, RemoteAddress);
 124                 }
 125
 126                 void ReleaseSecurityKey (object o, EventArgs e)
 127                 {
 128                         security.Release ();
 129                 }
 130         }
 131 }