Code:
/ WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / infocard / Service / managed / Microsoft / InfoCards / InfoCardMetadataExchangeClient.cs / 2 / InfoCardMetadataExchangeClient.cs
//------------------------------------------------------------ // Copyright (c) Microsoft Corporation. All rights reserved. //----------------------------------------------------------- namespace Microsoft.InfoCards { using System; using System.ServiceModel; using System.ServiceModel.Channels; using System.ServiceModel.Description; using System.Net; using IDT = Microsoft.InfoCards.Diagnostics.InfoCardTrace; using System.IO; using System.Text; internal class InfoCardMetadataExchangeClient :MetadataExchangeClient { HttpWebRequest m_currentHttpGetRequest; object m_abortSync; bool m_aborted; IWebProxy m_proxy; // // Summary: // Creates a HttpsTransportBindingelement for mex interactions // // Remarks: // We are manually creating a CustomBinding as opposed to relying on // new WSHttpBinding( SecurityMode.Transport ) ); which sets AuthenticationScheme // to Negotiate by default. Another difference is that new WSHttpBinding inserts // a irrelevant TransactionFlowBindingElement. This is "irrelevant" because // TransactionFlowBindingElement doesn't yield a channel when Transactions = false. // See CSDMain 7086 for details. // // Remarks: We're setting httpTransportBinding.AuthenticationScheme to Anonymous // for all legs including IP/STS leg // public static CustomBinding CreateBindingForMex() { HttpsTransportBindingElement httpsTransport = new HttpsTransportBindingElement(); IDT.Assert( AuthenticationSchemes.Anonymous == httpsTransport.AuthenticationScheme, "AuthenticationScheme must be Anonymous and not NTLM/Negotiate" ); CustomBinding httpsBinding = new CustomBinding( new TextMessageEncodingBindingElement(), //the same encoding used when WsHttpBinding is used httpsTransport ); return httpsBinding; } public InfoCardMetadataExchangeClient() : base( CreateBindingForMex() ) { // // We enforce CardSpace restrictions on the WSHttpBinding binding // in the GetChannelFactory override // m_abortSync = new object(); } public IWebProxy Proxy { set { m_proxy = value; } } public void Abort() { lock( m_abortSync ) { if( null != m_currentHttpGetRequest ) { m_currentHttpGetRequest.Abort(); } else { ChannelFactoryfactory = base.GetChannelFactory(null,null,null); if( null != factory ) { factory.Abort(); } } m_aborted = true; } } protected internal override HttpWebRequest GetWebRequest( System.Uri location, string dialect, string identifier ) { if( 0 != String.Compare( location.Scheme, "https", StringComparison.OrdinalIgnoreCase ) ) { throw IDT.ThrowHelperError( new TrustExchangeException( SR.GetString( SR.NonHttpsURIFound, location.AbsoluteUri ) ) ); } HttpWebRequest request = base.GetWebRequest( location, dialect, identifier ); IDT.Assert( null == request.Credentials, "No creds should be set" ); IDT.Assert( null != m_proxy, "Set the proxy value before creating a WebRequest" ); request.Proxy = m_proxy; lock( m_abortSync ) { // // if we are already in an aborted state, ensure that the next request automatically aborts. // if( m_aborted ) { request.Abort(); } return (m_currentHttpGetRequest = request); } } protected internal override ChannelFactory GetChannelFactory( EndpointAddress metadataAddress, string dialect, string identifier ) { if( null != metadataAddress && 0 != String.Compare( metadataAddress.Uri.Scheme, "https", StringComparison.OrdinalIgnoreCase ) ) { throw IDT.ThrowHelperError( new TrustExchangeException( SR.GetString( SR.NonHttpsURIFound, metadataAddress.Uri.AbsoluteUri ) ) ); } IDT.Assert( null != m_proxy, "Set the proxy value before creating a WebRequest" ); ChannelFactory factory = base.GetChannelFactory( metadataAddress, dialect, identifier ); // // Can't set factory.Credentials.Windows.AllowNtlm = false; // Exception thrown that the factory.Credentials.Windows // "Object is immutable". // // WCF makes it read-only after the first leg in federation chain. // This is probably to ensure that settings on the channelFactory do not // change when multiple channels are created from the same channelFactory. // This happens specifically in ChannelFactory.Open() (which can be triggered by opening a // channel created by the factory) // factory.Endpoint.Binding = new CustomBinding( Utility.UpdateProxyForHttpAndRestrictTransportBinding( factory.Endpoint.Binding.CreateBindingElements(), m_proxy, true ) ); // Client auth on transport should be turned off for mex. lock( m_abortSync ) { // // if we are already in an aborted state, ensure that the next request automatically aborts. // if( m_aborted ) { factory.Abort(); } } return factory; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- GridViewSelectEventArgs.cs
- StsCommunicationException.cs
- ResolveMatchesMessage11.cs
- PrintControllerWithStatusDialog.cs
- SecurityKeyIdentifierClause.cs
- SQLDecimalStorage.cs
- TimeStampChecker.cs
- DataServiceClientException.cs
- RoleService.cs
- ToolStripItemRenderEventArgs.cs
- CompareValidator.cs
- RenderDataDrawingContext.cs
- RequestBringIntoViewEventArgs.cs
- ContextMenuAutomationPeer.cs
- StateDesignerConnector.cs
- DbProviderFactory.cs
- XmlSerializerSection.cs
- IPCCacheManager.cs
- CodeTypeReferenceCollection.cs
- EditingMode.cs
- DataPagerField.cs
- HttpCookie.cs
- Int16Converter.cs
- SchemaHelper.cs
- AudioFormatConverter.cs
- ToolStripSeparatorRenderEventArgs.cs
- GZipObjectSerializer.cs
- AccessViolationException.cs
- OleDbPermission.cs
- IdentityHolder.cs
- ConnectionStringEditor.cs
- ToggleProviderWrapper.cs
- CompilerErrorCollection.cs
- ExpressionVisitorHelpers.cs
- XmlAtomicValue.cs
- ValidationResult.cs
- Events.cs
- ValidationErrorEventArgs.cs
- EdgeProfileValidation.cs
- WebSysDisplayNameAttribute.cs
- WebPartConnectionsConnectVerb.cs
- MultipleViewPattern.cs
- TextStore.cs
- OperationBehaviorAttribute.cs
- DataGridViewColumnStateChangedEventArgs.cs
- IgnoreSection.cs
- BlurBitmapEffect.cs
- ObjectPersistData.cs
- InternalMappingException.cs
- BitmapEffectDrawing.cs
- ParameterRetriever.cs
- FlowStep.cs
- ResourceReferenceExpressionConverter.cs
- DataGridViewComboBoxColumn.cs
- MimeFormReflector.cs
- WizardStepCollectionEditor.cs
- PeerPresenceInfo.cs
- FrameworkTextComposition.cs
- GradientStop.cs
- ProxyWebPartManagerDesigner.cs
- ReachPageContentSerializerAsync.cs
- Transform.cs
- WindowsPrincipal.cs
- Positioning.cs
- Stroke.cs
- TextParagraph.cs
- SchemaImporterExtension.cs
- DataBoundLiteralControl.cs
- SystemResourceKey.cs
- NavigatingCancelEventArgs.cs
- DataGridViewBand.cs
- ListViewDeletedEventArgs.cs
- SerialErrors.cs
- FileSystemEventArgs.cs
- Boolean.cs
- GCHandleCookieTable.cs
- StatusStrip.cs
- TextTreeText.cs
- _AutoWebProxyScriptEngine.cs
- TabItemAutomationPeer.cs
- CssStyleCollection.cs
- EventItfInfo.cs
- UpdateCommand.cs
- _ConnectStream.cs
- DrawItemEvent.cs
- UnsafeNativeMethods.cs
- HyperLink.cs
- XmlCharCheckingWriter.cs
- WebServiceTypeData.cs
- TextWriter.cs
- BindingOperations.cs
- CompressionTransform.cs
- UIElementCollection.cs
- CountAggregationOperator.cs
- RegexWorker.cs
- Registry.cs
- XsltConvert.cs
- SAPIEngineTypes.cs
- ValidationError.cs
- CodePageEncoding.cs