InfocardInteractiveChannelInitializer.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / ServiceModel / System / ServiceModel / Security / InfocardInteractiveChannelInitializer.cs / 1 / InfocardInteractiveChannelInitializer.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------

namespace System.ServiceModel.Security 
{
    using System.Collections.Generic; 
    using System.ServiceModel.Channels; 
    using System.ServiceModel.Dispatcher;
    using System.ServiceModel.Description; 
    using System.IdentityModel.Selectors;
    using System.IdentityModel.Tokens;
    using System.Runtime.Serialization;
    using System.ServiceModel.Security; 

 
    public class InfocardInteractiveChannelInitializer : IInteractiveChannelInitializer 
    {
        ClientCredentials credentials; 
        Binding binding;

        public InfocardInteractiveChannelInitializer( ClientCredentials credentials, Binding binding )
        { 
            this.credentials = credentials;
            this.binding = binding; 
        } 

        public Binding Binding 
        {
            get
            {
                return binding; 
            }
        } 
 
        public virtual IAsyncResult BeginDisplayInitializationUI(IClientChannel channel, AsyncCallback callback, object state)
        { 
            return new GetTokenUIAsyncResult(binding, channel, this.credentials, callback, state);
        }

        public virtual void EndDisplayInitializationUI(IAsyncResult result) 
        {
            GetTokenUIAsyncResult.End(result); 
        } 

    } 

    internal class GetTokenUIAsyncResult :AsyncResult
    {
 
        IClientChannel proxy;
        ClientCredentials credentials; 
        Uri relyingPartyIssuer; 
        bool requiresInfoCard;
        Binding binding; 


        static AsyncCallback callback = DiagnosticUtility.ThunkAsyncCallback(new AsyncCallback(GetTokenUIAsyncResult.Callback));
 
        internal GetTokenUIAsyncResult(Binding binding,
                                        IClientChannel channel, 
                                        ClientCredentials credentials, 
                                        AsyncCallback callback,
                                        object state) 
            : base(callback, state)
        {
            this.credentials = credentials;
            this.proxy = channel; 
            this.binding = binding;
            this.CallBegin(true); 
 
        }
 
        void CallBegin(bool completedSynchronously)
        {

            IAsyncResult result = null; 
            Exception exception = null;
 
            try 
            {
                CardSpacePolicyElement[ ] chain; 
                SecurityTokenManager tokenManager = credentials.CreateSecurityTokenManager();
                requiresInfoCard = InfoCardHelper.IsInfocardRequired(binding, credentials, tokenManager, proxy.RemoteAddress, out chain, out relyingPartyIssuer);
                MessageSecurityVersion bindingSecurityVersion = InfoCardHelper.GetBindingSecurityVersionOrDefault(binding);
                WSSecurityTokenSerializer tokenSerializer = WSSecurityTokenSerializer.DefaultInstance; 
                result = credentials.GetInfoCardTokenCallback.BeginInvoke(requiresInfoCard, chain, tokenManager.CreateSecurityTokenSerializer(bindingSecurityVersion.SecurityTokenVersion), callback, this);
 
            } 
            catch (Exception e)
            { 
                if (DiagnosticUtility.IsFatal(e))
                {
                    throw;
                } 

                exception = e; 
            } 
            if (exception == null)
            { 
                if (!result.CompletedSynchronously)
                {
                    return;
                } 

                this.CallEnd(result, out exception); 
            } 
            if (exception != null)
            { 
                return;
            }

 
            this.CallComplete(completedSynchronously, null);
        } 
 
        static void Callback(IAsyncResult result)
        { 
            if (result.CompletedSynchronously)
            {
                return;
            } 

            GetTokenUIAsyncResult outer = (GetTokenUIAsyncResult)result.AsyncState; 
            Exception exception = null; 

            outer.CallEnd(result, out exception); 
            outer.CallComplete(false, exception);

        }
 
        void CallEnd(IAsyncResult result, out Exception exception)
        { 
            try 
            {
                SecurityToken token = credentials.GetInfoCardTokenCallback.EndInvoke(result); 

                ChannelParameterCollection channelParameters =
                           proxy.GetProperty();
 
                if( null != channelParameters )
                { 
                    channelParameters.Add( new InfoCardChannelParameter( token, relyingPartyIssuer, requiresInfoCard ) ); 
                }
                exception = null; 
            }
            catch (Exception e)
            {
                if (DiagnosticUtility.IsFatal(e)) 
                {
                    throw; 
                } 
                exception = e;
            } 
        }

        void CallComplete(bool completedSynchronously, Exception exception)
        { 
            this.Complete(completedSynchronously, exception);
        } 
 
        internal static void End(IAsyncResult result)
        { 
            AsyncResult.End(result);
        }
    }
} 

 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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