StreamSecurityUpgradeAcceptorAsyncResult.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 / Channels / StreamSecurityUpgradeAcceptorAsyncResult.cs / 1 / StreamSecurityUpgradeAcceptorAsyncResult.cs

                            //------------------------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------
namespace System.ServiceModel.Channels
{ 
    using System.IO;
    using System.Security.Authentication; 
    using System.ServiceModel.Security; 
    using System.ServiceModel.Diagnostics;
 

    abstract class StreamSecurityUpgradeAcceptorAsyncResult : TraceAsyncResult
    {
        SecurityMessageProperty remoteSecurity; 
        Stream upgradedStream;
 
        static AsyncCallback onAuthenticateAsServer = DiagnosticUtility.ThunkAsyncCallback(new AsyncCallback(OnAuthenticateAsServer)); 

        protected StreamSecurityUpgradeAcceptorAsyncResult(AsyncCallback callback, object state) 
            : base(callback, state)
        {
        }
 
        public void Begin(Stream stream)
        { 
            IAsyncResult result; 
            try
            { 
                result = this.OnBegin(stream, onAuthenticateAsServer);
            }
            catch (AuthenticationException exception)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new SecurityNegotiationException(exception.Message,
                    exception)); 
            } 
            catch (IOException ioException)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new SecurityNegotiationException(
                    SR.GetString(SR.NegotiationFailedIO, ioException.Message), ioException));
            }
 
            if (!result.CompletedSynchronously)
            { 
                return; 
            }
 
            CompleteAuthenticateAsServer(result);
            base.Complete(true);
        }
 
        void CompleteAuthenticateAsServer(IAsyncResult result)
        { 
            try 
            {
                this.upgradedStream = this.OnCompleteAuthenticateAsServer(result); 
            }
            catch (AuthenticationException exception)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new SecurityNegotiationException(exception.Message, 
                    exception));
            } 
            catch (IOException ioException) 
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new SecurityNegotiationException( 
                    SR.GetString(SR.NegotiationFailedIO, ioException.Message), ioException));
            }

            this.remoteSecurity = this.ValidateCreateSecurity(); 
        }
 
        public static Stream End(IAsyncResult result, out SecurityMessageProperty remoteSecurity) 
        {
            StreamSecurityUpgradeAcceptorAsyncResult thisPtr = AsyncResult.End(result); 
            remoteSecurity = thisPtr.remoteSecurity;
            return thisPtr.upgradedStream;
        }
 
        static void OnAuthenticateAsServer(IAsyncResult result)
        { 
            if (result.CompletedSynchronously) 
            {
                return; 
            }

            StreamSecurityUpgradeAcceptorAsyncResult acceptUpgradeAsyncResult =
                (StreamSecurityUpgradeAcceptorAsyncResult)result.AsyncState; 

            Exception completionException = null; 
            try 
            {
                acceptUpgradeAsyncResult.CompleteAuthenticateAsServer(result); 
            }
#pragma warning suppress 56500 // [....], transferring exception to another thread
            catch (Exception e)
            { 
                if (DiagnosticUtility.IsFatal(e))
                { 
                    throw; 
                }
                completionException = e; 
            }
            acceptUpgradeAsyncResult.Complete(false, completionException);
        }
 
        protected abstract IAsyncResult OnBegin(Stream stream, AsyncCallback callback);
        protected abstract Stream OnCompleteAuthenticateAsServer(IAsyncResult result); 
        protected abstract SecurityMessageProperty ValidateCreateSecurity(); 
    }
 
}

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

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