class/System.ServiceModel/System.ServiceModel.Channels/SymmetricSecurityBindingElement.cs

   1 //
   2 // SymmetricSecurityBindingElement.cs
   3 //
   4 // Author:
   5 //      Atsushi Enomoto <atsushi@ximian.com>
   6 //
   7 // Copyright (C) 2005-2007 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.IdentityModel.Selectors;
  31 using System.IdentityModel.Tokens;
  32 using System.Net.Security;
  33 using System.ServiceModel.Channels;
  34 using System.ServiceModel.Description;
  35 using System.ServiceModel.Security;
  36 using System.ServiceModel.Security.Tokens;
  37
  38 using ReqType = System.ServiceModel.Security.Tokens.ServiceModelSecurityTokenRequirement;
  39
  40 namespace System.ServiceModel.Channels
  41 {
  42         public sealed class SymmetricSecurityBindingElement
  43                 : SecurityBindingElement, IPolicyExportExtension
  44         {
  45                 public SymmetricSecurityBindingElement ()
  46                         : this ((SecurityTokenParameters) null)
  47                 {
  48                 }
  49
  50                 public SymmetricSecurityBindingElement (
  51                         SecurityTokenParameters protectionTokenParameters)
  52                 {
  53                         ProtectionTokenParameters = protectionTokenParameters;
  54                 }
  55
  56                 private SymmetricSecurityBindingElement (
  57                         SymmetricSecurityBindingElement other)
  58                         : base (other)
  59                 {
  60                         msg_protection_order = other.msg_protection_order;
  61                         require_sig_confirm = other.require_sig_confirm;
  62                         if (other.protection_token_params != null)
  63                                 protection_token_params = other.protection_token_params.Clone ();
  64                 }
  65
  66                 MessageProtectionOrder msg_protection_order =
  67                         MessageProtectionOrder.SignBeforeEncryptAndEncryptSignature;
  68                 SecurityTokenParameters protection_token_params;
  69                 bool require_sig_confirm;
  70                 // make sure that they are also cloned.
  71
  72                 [MonoTODO]
  73                 public MessageProtectionOrder MessageProtectionOrder {
  74                         get { return msg_protection_order; }
  75                         set { msg_protection_order = value; }
  76                 }
  77
  78                 public SecurityTokenParameters ProtectionTokenParameters {
  79                         get { return protection_token_params; }
  80                         set { protection_token_params = value; }
  81                 }
  82
  83                 [MonoTODO]
  84                 public bool RequireSignatureConfirmation {
  85                         get { return require_sig_confirm; }
  86                         set { require_sig_confirm = value; }
  87                 }
  88
  89                 public override void SetKeyDerivation (bool requireDerivedKeys)
  90                 {
  91                         base.SetKeyDerivation (requireDerivedKeys);
  92                         if (ProtectionTokenParameters != null)
  93                                 ProtectionTokenParameters.RequireDerivedKeys = requireDerivedKeys;
  94                 }
  95
  96                 [MonoTODO]
  97                 public override string ToString ()
  98                 {
  99                         return base.ToString ();
 100                 }
 101
 102                 [MonoTODO]
 103                 protected override IChannelFactory<TChannel>
 104                         BuildChannelFactoryCore<TChannel> (
 105                         BindingContext context)
 106                 {
 107                         if (ProtectionTokenParameters == null)
 108                                 throw new InvalidOperationException ("Protection token parameters must be set before building channel factory.");
 109
 110                         SetIssuerBindingContextIfRequired (ProtectionTokenParameters, context);
 111
 112                         ClientCredentials cred = context.BindingParameters.Find<ClientCredentials> ();
 113                         if (cred == null)
 114                                 // it happens when there is no ChannelFactory<T>.
 115                                 cred = new ClientCredentials ();
 116                         SecurityTokenManager manager = cred.CreateSecurityTokenManager ();
 117                         ChannelProtectionRequirements requirements =
 118                                 context.BindingParameters.Find<ChannelProtectionRequirements> ();
 119
 120                         return new SecurityChannelFactory<TChannel> (
 121                                 context.BuildInnerChannelFactory<TChannel> (), new InitiatorMessageSecurityBindingSupport (GetCapabilities (), manager, requirements));
 122                 }
 123
 124                 [MonoTODO]
 125                 protected override IChannelListener<TChannel>
 126                         BuildChannelListenerCore<TChannel> (
 127                         BindingContext context)
 128                 {
 129                         if (ProtectionTokenParameters == null)
 130                                 throw new InvalidOperationException ("Protection token parameters must be set before building channel factory.");
 131
 132                         SetIssuerBindingContextIfRequired (ProtectionTokenParameters, context);
 133
 134                         ServiceCredentials cred = context.BindingParameters.Find<ServiceCredentials> ();
 135                         if (cred == null)
 136                                 // it happens when there is no ChannelFactory<T>.
 137                                 cred = new ServiceCredentials ();
 138                         ServiceCredentialsSecurityTokenManager manager = (ServiceCredentialsSecurityTokenManager) cred.CreateSecurityTokenManager ();
 139                         ChannelProtectionRequirements requirements =
 140                                 context.BindingParameters.Find<ChannelProtectionRequirements> ();
 141
 142                         return new SecurityChannelListener<TChannel> (
 143                                 context.BuildInnerChannelListener<TChannel> (), new RecipientMessageSecurityBindingSupport (GetCapabilities (), manager, requirements));
 144                 }
 145
 146                 public override BindingElement Clone ()
 147                 {
 148                         return new SymmetricSecurityBindingElement (this);
 149                 }
 150
 151                 [MonoTODO]
 152                 public override T GetProperty<T> (BindingContext context)
 153                 {
 154                         if (context == null)
 155                                 throw new ArgumentNullException ("context");
 156                         if (typeof (T) == typeof (ISecurityCapabilities))
 157                                 return (T) (object) GetCapabilities ();
 158                         if (typeof (T) == typeof (IdentityVerifier))
 159                                 throw new NotImplementedException ();
 160                         return context.GetInnerProperty<T> ();
 161                 }
 162
 163                 SymmetricSecurityCapabilities GetCapabilities ()
 164                 {
 165                         return new SymmetricSecurityCapabilities (this);
 166                 }
 167
 168                 #region explicit interface implementations
 169                 [MonoTODO]
 170                 void IPolicyExportExtension.ExportPolicy (
 171                         MetadataExporter exporter,
 172                         PolicyConversionContext policyContext)
 173                 {
 174                         throw new NotImplementedException ();
 175                 }
 176                 #endregion
 177         }
 178 }