MsmqChannelListenerBase.cs source code in C# .NET

                        Code:
                         / WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / ServiceModel / System / ServiceModel / Channels / MsmqChannelListenerBase.cs / 1 / MsmqChannelListenerBase.cs
                        
                        
                            //------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------
namespace System.ServiceModel.Channels
{ 
    using System.Collections.Generic;
    using System.Diagnostics; 
    using System.ServiceModel; 
    using System.ServiceModel.Description;
    using System.Collections.ObjectModel; 
    using System.Net.Security;
    using System.Runtime.Serialization;
    using System.IdentityModel.Claims;
    using System.IdentityModel.Policy; 
    using System.IdentityModel.Selectors;
    using System.IdentityModel.Tokens; 
    using System.Security.Cryptography.X509Certificates; 
    using System.Security.Principal;
    using System.ServiceModel.Security; 
    using System.ServiceModel.Security.Tokens;
    using System.Transactions;
    using SR = System.ServiceModel.SR;
    using AsyncResult = System.ServiceModel.AsyncResult; 
    using System.Threading;
 
    abstract class MsmqChannelListenerBase : TransportChannelListener 
    {
        MsmqReceiveParameters receiveParameters; 

        protected MsmqChannelListenerBase(MsmqBindingElementBase bindingElement,
                                          BindingContext context,
                                          MsmqReceiveParameters receiveParameters, 
                                          MessageEncoderFactory messageEncoderFactory)
            : base(bindingElement, context, messageEncoderFactory) 
        { 
            this.receiveParameters = receiveParameters;
        } 

        internal MsmqReceiveParameters ReceiveParameters
        {
            get { return this.receiveParameters; } 
        }
 
        internal Exception NormalizePoisonException(long lookupId, Exception innerException) 
        {
            if (this.ReceiveParameters.ExactlyOnce) 
                return DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MsmqPoisonMessageException(lookupId, innerException));
            else if (null != innerException)
                return DiagnosticUtility.ExceptionUtility.ThrowHelperError(innerException);
            else 
            {
                DiagnosticUtility.DebugAssert("System.ServiceModel.Channels.MsmqChannelListenerBase.NormalizePoisonException(): (innerException == null)"); 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperInternal(false); 
            }
        } 

        internal void FaultListener()
        {
            this.Fault(); 
        }
    } 
 
    abstract class MsmqChannelListenerBase
        : MsmqChannelListenerBase, IChannelListener 
    where TChannel : class, IChannel
    {
        SecurityTokenAuthenticator x509SecurityTokenAuthenticator;
 
        protected MsmqChannelListenerBase(MsmqBindingElementBase bindingElement,
                                          BindingContext context, 
                                          MsmqReceiveParameters receiveParameters, 
                                          MessageEncoderFactory messageEncoderFactory)
            : base(bindingElement, context, receiveParameters, messageEncoderFactory) 
        {}

        public override string Scheme
        { 
            get { return "net.msmq"; }
        } 
 
        internal override UriPrefixTable TransportManagerTable
        { 
            get { return Msmq.StaticTransportManagerTable; }
        }

        internal override ITransportManagerRegistration CreateTransportManagerRegistration(Uri listenUri) 
        {
            return null; 
        } 

        protected virtual void OnCloseCore(bool isAborting) 
        {}

        protected virtual void OnOpenCore(TimeSpan timeout)
        { 
            if (MsmqAuthenticationMode.Certificate == this.ReceiveParameters.TransportSecurity.MsmqAuthenticationMode)
                SecurityUtils.OpenTokenAuthenticatorIfRequired(this.x509SecurityTokenAuthenticator, timeout); 
        } 

        protected override IAsyncResult OnBeginClose(TimeSpan timeout, AsyncCallback callback, object state) 
        {
            OnCloseCore(false);
            return base.OnBeginClose(timeout, callback, state);
        } 

        protected override void OnClose(TimeSpan timeout) 
        { 
            OnCloseCore(false);
            base.OnClose(timeout); 
        }

        protected override void OnAbort()
        { 
            OnCloseCore(true);
            base.OnAbort(); 
        } 

        protected override IAsyncResult OnBeginOpen(TimeSpan timeout, AsyncCallback callback, object state) 
        {
            TimeoutHelper timeoutHelper = new TimeoutHelper(timeout);
            IAsyncResult result = base.OnBeginOpen(timeoutHelper.RemainingTime(), callback, state);
            OnOpenCore(timeoutHelper.RemainingTime()); 
            return result;
        } 
 
        protected override void OnOpen(TimeSpan timeout)
        { 
            TimeoutHelper timeoutHelper = new TimeoutHelper(timeout);
            base.OnOpen(timeoutHelper.RemainingTime());
            OnOpenCore(timeoutHelper.RemainingTime());
        } 

 
        internal override IList SelectTransportManagers() 
        {
            lock (this.TransportManagerTable) 
            {
                // Look up an existing transport manager registration. We use registration only
                // for WebHosted case.
                ITransportManagerRegistration registration; 
                if (this.TransportManagerTable.TryLookupUri(this.Uri, TransportDefaults.HostNameComparisonMode, out registration))
                { 
                    // no need to use TransportManagerContainer because we never use the transport manager from channels 
                    // Use the registration to select a set of compatible transport managers.
                    IList foundTransportManagers = registration.Select(this); 
                    if (foundTransportManagers != null)
                    {
                        for (int i = 0; i < foundTransportManagers.Count; i++)
                        { 
                            foundTransportManagers[i].Open(this);
                        } 
                    } 
                }
            } 

            return null;
        }
 
        protected void SetSecurityTokenAuthenticator(string scheme, BindingContext context)
        { 
            if (this.ReceiveParameters.TransportSecurity.MsmqAuthenticationMode == MsmqAuthenticationMode.Certificate) 
            {
                SecurityCredentialsManager credentials = context.BindingParameters.Find(); 
                if (credentials == null)
                {
                    credentials = ServiceCredentials.CreateDefaultCredentials();
                } 
                SecurityTokenManager tokenManager = credentials.CreateSecurityTokenManager();
                RecipientServiceModelSecurityTokenRequirement x509Requirement = new RecipientServiceModelSecurityTokenRequirement(); 
                x509Requirement.TokenType = SecurityTokenTypes.X509Certificate; 
                x509Requirement.TransportScheme = scheme;
                x509Requirement.KeyUsage = SecurityKeyUsage.Signature; 
                SecurityTokenResolver dummy;
                this.x509SecurityTokenAuthenticator = tokenManager.CreateSecurityTokenAuthenticator(x509Requirement, out dummy);
            }
        } 

        internal SecurityMessageProperty ValidateSecurity(MsmqInputMessage msmqMessage) 
        { 
            SecurityMessageProperty result = null;
            X509Certificate2 certificate = null; 
            WindowsSidIdentity wsid = null;
            try
            {
                if (MsmqAuthenticationMode.Certificate == this.ReceiveParameters.TransportSecurity.MsmqAuthenticationMode) 
                {
                    try 
                    { 
                        certificate = new X509Certificate2(msmqMessage.SenderCertificate.GetBufferCopy(msmqMessage.SenderCertificateLength.Value));
                        X509SecurityToken token = new X509SecurityToken(certificate, false); 
                        ReadOnlyCollection authorizationPolicies = this.x509SecurityTokenAuthenticator.ValidateToken(token);
                        SecurityMessageProperty security = new SecurityMessageProperty();
                        security.TransportToken = new SecurityTokenSpecification(token, authorizationPolicies);
                        security.ServiceSecurityContext = new ServiceSecurityContext(authorizationPolicies); 
                        result = security;
                    } 
                    catch (SecurityTokenValidationException ex) 
                    {
                        throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ProtocolException(SR.GetString(SR.MsmqBadCertificate), ex)); 
                    }
                    catch (System.Security.Cryptography.CryptographicException ex)
                    {
                        throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ProtocolException(SR.GetString(SR.MsmqBadCertificate), ex)); 
                    }
                } 
                else if (MsmqAuthenticationMode.WindowsDomain == this.ReceiveParameters.TransportSecurity.MsmqAuthenticationMode) 
                {
                    byte[] sid = msmqMessage.SenderId.GetBufferCopy(msmqMessage.SenderIdLength.Value); 
                    if (0 == sid.Length)
                        throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ProtocolException(SR.GetString(SR.MsmqNoSid)));

                    SecurityIdentifier securityIdentifier = new SecurityIdentifier(sid, 0); 
                    List claims = new List(2);
                    claims.Add(new Claim(ClaimTypes.Sid, securityIdentifier, Rights.Identity)); 
                    claims.Add(Claim.CreateWindowsSidClaim(securityIdentifier)); 

                    ClaimSet claimSet = new DefaultClaimSet(ClaimSet.System, claims); 
                    List policies = new List(1);
                    wsid = new WindowsSidIdentity(securityIdentifier);
                    policies.Add(new UnconditionalPolicy(wsid, claimSet));
 
                    ReadOnlyCollection authorizationPolicies = policies.AsReadOnly();
                    SecurityMessageProperty security = new SecurityMessageProperty(); 
                    security.TransportToken = new SecurityTokenSpecification(null, authorizationPolicies); 
                    security.ServiceSecurityContext = new ServiceSecurityContext(authorizationPolicies);
                    result = security; 
                }
            }
#pragma warning suppress 56500 // covered by FXCop
            catch (Exception exception) 
            {
                if (DiagnosticUtility.IsFatal(exception)) 
                    throw; 

                // Audit Authentication failure 
                if (AuditLevel.Failure == (this.AuditBehavior.MessageAuthenticationAuditLevel & AuditLevel.Failure))
                    WriteAuditEvent(AuditLevel.Failure, certificate, wsid, null);

                throw; 
            }
 
            // Audit Authentication success 
            if (result != null && AuditLevel.Success == (this.AuditBehavior.MessageAuthenticationAuditLevel & AuditLevel.Success))
                WriteAuditEvent(AuditLevel.Success, certificate, wsid, null); 

            return result;
        }
 
        void WriteAuditEvent(AuditLevel auditLevel, X509Certificate2 certificate, WindowsSidIdentity wsid, Exception exception)
        { 
            try 
            {
                String primaryIdentity = String.Empty; 
                if (certificate != null)
                {
                    primaryIdentity = SecurityUtils.GetCertificateId(certificate);
                } 
                else if (wsid != null)
                { 
                    primaryIdentity = SecurityUtils.GetIdentityName(wsid); 
                }
 
                if (auditLevel == AuditLevel.Success)
                {
                    SecurityAuditHelper.WriteTransportAuthenticationSuccessEvent(this.AuditBehavior.AuditLogLocation,
                        this.AuditBehavior.SuppressAuditFailure, null, this.Uri, primaryIdentity); 
                }
                else 
                { 
                    SecurityAuditHelper.WriteTransportAuthenticationFailureEvent(this.AuditBehavior.AuditLogLocation,
                        this.AuditBehavior.SuppressAuditFailure, null, this.Uri, primaryIdentity, exception); 
                }
            }
#pragma warning suppress 56500
            catch (Exception auditException) 
            {
                if (DiagnosticUtility.IsFatal(auditException) || auditLevel == AuditLevel.Success) 
                    throw; 

                DiagnosticUtility.ExceptionUtility.TraceHandledException(auditException, TraceEventType.Error); 
            }
        }

        public abstract TChannel AcceptChannel(); 
        public abstract IAsyncResult BeginAcceptChannel(AsyncCallback callback, object state);
        public abstract TChannel AcceptChannel(TimeSpan timeout); 
        public abstract IAsyncResult BeginAcceptChannel(TimeSpan timeout, AsyncCallback callback, object state); 
        public abstract TChannel EndAcceptChannel(IAsyncResult result);
    } 
}

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