Code:
/ WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / ServiceModel / System / ServiceModel / Channels / SslStreamSecurityBindingElement.cs / 1 / SslStreamSecurityBindingElement.cs
//------------------------------------------------------------------------------ // Copyright (c) Microsoft Corporation. All rights reserved. //----------------------------------------------------------------------------- namespace System.ServiceModel.Channels { using System.Collections.Generic; using System.ServiceModel.Description; using System.Net.Security; using System.ServiceModel; using System.ServiceModel.Security; using System.ServiceModel.Security.Tokens; using System.Xml; public class SslStreamSecurityBindingElement : StreamUpgradeBindingElement, ITransportTokenAssertionProvider, IPolicyExportExtension { IdentityVerifier identityVerifier; bool requireClientCertificate; public SslStreamSecurityBindingElement() { this.requireClientCertificate = TransportDefaults.RequireClientCertificate; } protected SslStreamSecurityBindingElement(SslStreamSecurityBindingElement elementToBeCloned) : base(elementToBeCloned) { this.identityVerifier = elementToBeCloned.identityVerifier; this.requireClientCertificate = elementToBeCloned.requireClientCertificate; } public IdentityVerifier IdentityVerifier { get { if (this.identityVerifier == null) { this.identityVerifier = IdentityVerifier.CreateDefault(); } return this.identityVerifier; } set { if (value == null) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("value"); } this.identityVerifier = value; } } public bool RequireClientCertificate { get { return this.requireClientCertificate; } set { this.requireClientCertificate = value; } } public override IChannelFactoryBuildChannelFactory (BindingContext context) { if (context == null) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("context"); } #pragma warning suppress 56506 // [....], BindingContext.BindingParameters cannot be null context.BindingParameters.Add(this); return context.BuildInnerChannelFactory (); } public override bool CanBuildChannelFactory (BindingContext context) { if (context == null) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("context"); } #pragma warning suppress 56506 // [....], BindingContext.BindingParameters cannot be null context.BindingParameters.Add(this); return context.CanBuildInnerChannelFactory (); } public override IChannelListener BuildChannelListener (BindingContext context) { if (context == null) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("context"); } #pragma warning suppress 56506 // [....], BindingContext.BindingParameters cannot be null context.BindingParameters.Add(this); return context.BuildInnerChannelListener (); } public override bool CanBuildChannelListener (BindingContext context) { if (context == null) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("context"); } #pragma warning suppress 56506 // [....], BindingContext.BindingParameters cannot be null context.BindingParameters.Add(this); return context.CanBuildInnerChannelListener (); } public override BindingElement Clone() { return new SslStreamSecurityBindingElement(this); } public override T GetProperty (BindingContext context) { if (context == null) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("context"); } if (typeof(T) == typeof(ISecurityCapabilities)) { return (T)(object)new SecurityCapabilities(this.RequireClientCertificate, true, this.RequireClientCertificate, ProtectionLevel.EncryptAndSign, ProtectionLevel.EncryptAndSign); } else if (typeof(T) == typeof(IdentityVerifier)) { return (T)(object)this.IdentityVerifier; } else { return context.GetInnerProperty (); } } public override StreamUpgradeProvider BuildClientStreamUpgradeProvider(BindingContext context) { return SslStreamSecurityUpgradeProvider.CreateClientProvider(this, context); } public override StreamUpgradeProvider BuildServerStreamUpgradeProvider(BindingContext context) { return SslStreamSecurityUpgradeProvider.CreateServerProvider(this, context); } internal static void ImportPolicy(MetadataImporter importer, PolicyConversionContext policyContext) { XmlElement assertion = PolicyConversionContext.FindAssertion(policyContext.GetBindingAssertions(), TransportPolicyConstants.SslTransportSecurityName, TransportPolicyConstants.DotNetFramingNamespace, true); if (assertion != null) { SslStreamSecurityBindingElement sslBindingElement = new SslStreamSecurityBindingElement(); XmlReader reader = new XmlNodeReader(assertion); reader.ReadStartElement(); sslBindingElement.RequireClientCertificate = reader.IsStartElement( TransportPolicyConstants.RequireClientCertificateName, TransportPolicyConstants.DotNetFramingNamespace); if (sslBindingElement.RequireClientCertificate) { reader.ReadElementString(); } policyContext.BindingElements.Add(sslBindingElement); } } #region ITransportTokenAssertionProvider Members public XmlElement GetTransportTokenAssertion() { XmlDocument document = new XmlDocument(); XmlElement assertion = document.CreateElement(TransportPolicyConstants.DotNetFramingPrefix, TransportPolicyConstants.SslTransportSecurityName, TransportPolicyConstants.DotNetFramingNamespace); if (this.requireClientCertificate) { assertion.AppendChild(document.CreateElement(TransportPolicyConstants.DotNetFramingPrefix, TransportPolicyConstants.RequireClientCertificateName, TransportPolicyConstants.DotNetFramingNamespace)); } return assertion; } #endregion void IPolicyExportExtension.ExportPolicy(MetadataExporter exporter, PolicyConversionContext context) { if (exporter == null) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("exporter"); } if (context == null) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("context"); } SecurityBindingElement.ExportPolicy(exporter, context); } internal override bool IsMatch(BindingElement b) { if (b == null) { return false; } SslStreamSecurityBindingElement ssl = b as SslStreamSecurityBindingElement; if (ssl == null) { return false; } return this.requireClientCertificate == ssl.requireClientCertificate; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. 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