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//
// SecurityRequestChannel.cs
//
// Author:
// Atsushi Enomoto <atsushi@ximian.com>
//
// Copyright (C) 2006 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.IdentityModel.Selectors;
using System.IdentityModel.Tokens;
using System.Runtime.Serialization;
using System.Security.Cryptography;
using System.Security.Cryptography.X509Certificates;
using System.Security.Cryptography.Xml;
using System.ServiceModel;
using System.ServiceModel.Channels;
using System.ServiceModel.Description;
using System.ServiceModel.Security;
using System.ServiceModel.Security.Tokens;
using System.Xml;
using System.Xml.XPath;
using ReqType = System.ServiceModel.Security.Tokens.ServiceModelSecurityTokenRequirement;
namespace System.ServiceModel.Channels.Security
{
class SecurityDuplexSession : DuplexSessionBase
{
SecurityDuplexSessionChannel channel;
public SecurityDuplexSession (SecurityDuplexSessionChannel channel)
{
this.channel = channel;
}
public override TimeSpan DefaultCloseTimeout {
get { return channel.DefaultCloseTimeout; }
}
public override void Close (TimeSpan timeout)
{
// valid only if the inner channel is ISessionChannel
var d = channel.Channel as IDuplexSessionChannel;
if (d != null)
d.Session.CloseOutputSession (timeout);
}
}
class SecurityDuplexSessionChannel : DuplexChannelBase, IDuplexSessionChannel
{
IChannel channel;
InitiatorMessageSecurityBindingSupport security_initiator;
RecipientMessageSecurityBindingSupport security_recipient;
SecurityDuplexSession session;
public SecurityDuplexSessionChannel (ChannelFactoryBase factory, IChannel innerChannel, EndpointAddress remoteAddress, Uri via, InitiatorMessageSecurityBindingSupport security)
: base (factory, remoteAddress, via)
{
this.channel = innerChannel;
session = new SecurityDuplexSession (this);
InitializeSecurityFunctionality (security);
}
public SecurityDuplexSessionChannel (ChannelListenerBase listener, IChannel innerChannel, RecipientMessageSecurityBindingSupport security)
: base (listener)
{
this.channel = innerChannel;
session = new SecurityDuplexSession (this);
InitializeSecurityFunctionality (security);
}
public IChannel Channel {
get { return channel; }
}
public IDuplexSession Session {
get { return session; }
}
void InitializeSecurityFunctionality (InitiatorMessageSecurityBindingSupport security)
{
security_initiator = security;
}
void InitializeSecurityFunctionality (RecipientMessageSecurityBindingSupport security)
{
security_recipient = security;
}
protected override void OnOpen (TimeSpan timeout)
{
channel.Open (timeout);
if (security_initiator != null)
security_initiator.Prepare ((ChannelFactoryBase) Manager, RemoteAddress);
else
security_recipient.Prepare ((ChannelListenerBase) Manager, LocalAddress.Uri);
}
protected override void OnClose (TimeSpan timeout)
{
if (security_initiator != null)
security_initiator.Release ();
else
security_recipient.Release ();
channel.Close (timeout);
}
protected override void OnAbort ()
{
if (security_initiator != null)
security_initiator.Release ();
else
security_recipient.Release ();
channel.Abort ();
}
public override bool TryReceive (TimeSpan timeout, out Message message)
{
ThrowIfDisposedOrNotOpen ();
var input = (IInputChannel) channel;
if (!input.TryReceive (timeout, out message))
return false;
message = DecryptMessage (message);
return true;
}
public override bool WaitForMessage (TimeSpan timeout)
{
var input = (IInputChannel) channel;
return input.WaitForMessage (timeout);
}
public override void Send (Message message)
{
Send (message, DefaultSendTimeout);
}
public override void Send (Message message, TimeSpan timeout)
{
Message secure = SecureMessage (message);
var output = (IOutputChannel) channel;
output.Send (secure, timeout);
}
Message SecureMessage (Message msg)
{
if (security_initiator != null)
return new InitiatorMessageSecurityGenerator (msg, security_initiator, RemoteAddress).SecureMessage ();
else
return new RecipientMessageSecurityGenerator (msg, null, security_recipient).SecureMessage (); // FIXME: supply SecurityMessageProperty (if any)
}
Message DecryptMessage (Message msg)
{
if (security_initiator != null)
return new InitiatorSecureMessageDecryptor (msg, null, security_initiator).DecryptMessage (); // FIXME: supply SecurityMessageProperty (if any)
else
return new RecipientSecureMessageDecryptor (msg, security_recipient).DecryptMessage ();
}
}
}
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