Code:
/ FXUpdate3074 / FXUpdate3074 / 1.1 / untmp / whidbey / QFE / ndp / fx / src / xsp / System / Web / Security / BackStopAuthenticationModule.cs / 3 / BackStopAuthenticationModule.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.Security { using System.Collections.Specialized; using System.Runtime.Serialization; using System.Security.Principal; using System.Security.Permissions; using System.Threading; using System.Web; ////// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] public sealed class DefaultAuthenticationModule : IHttpModule { private DefaultAuthenticationEventHandler _eventHandler; ///[To be supplied.] ////// [SecurityPermission(SecurityAction.Demand, Unrestricted=true)] public DefaultAuthenticationModule() { } ////// Initializes a new instance of the ////// class. /// /// public event DefaultAuthenticationEventHandler Authenticate { add { // WOS 1709222: DefaultAuthentication_Authenticate is not supported in integrated mode. if (HttpRuntime.UseIntegratedPipeline) { throw new PlatformNotSupportedException(SR.GetString(SR.Method_Not_Supported_By_Iis_Integrated_Mode, "DefaultAuthentication.Authenticate")); } _eventHandler += value; } remove { _eventHandler -= value; } } ///[To be supplied.] ////// public void Dispose() { } ///[To be supplied.] ////// public void Init(HttpApplication app) { // adding this module back to IIS7 // it needs to run between Windows auth in PostAuthn // and RoleManager (or anyone else who needs the principal) // so ordering is important // If the subscribed event changes, WindowsAuthenticationModule // needs work, too. if (HttpRuntime.UseIntegratedPipeline) { app.PostAuthenticateRequest += new EventHandler(this.OnEnter); } else { app.DefaultAuthentication += new EventHandler(this.OnEnter); } } //////////////////////////////////////////////////////////// // OnAuthenticate: Custom Authentication modules can override // this method to create a custom IPrincipal object from // a DefaultIdentity void OnAuthenticate(DefaultAuthenticationEventArgs e) { //////////////////////////////////////////////////////////// // If there are event handlers, invoke the handlers if (_eventHandler != null) { _eventHandler(this, e); } } //////////////////////////////////////////////////////////// // AddOnAuthenticate and RemoveOnAuthenticate: Use these // methods to hook up event handlers to handle the // OnAuthenticate Event void OnEnter(Object source, EventArgs eventArgs) { HttpApplication app; HttpContext context; app = (HttpApplication)source; context = app.Context; //////////////////////////////////////////////////////////// // Step 1: Check if authentication failed if (context.Response.StatusCode > 200) { // Invalid credentials if (context.Response.StatusCode == 401) WriteErrorMessage(context); app.CompleteRequest(); return; } //////////////////////////////////////////////////////////// // Step 2: If no auth module has created an IPrincipal, then fire // OnAuthentication event if (context.User == null) { OnAuthenticate (new DefaultAuthenticationEventArgs(context) ); if (context.Response.StatusCode > 200) { // Invalid credentials if (context.Response.StatusCode == 401) WriteErrorMessage(context); app.CompleteRequest(); return; } } //////////////////////////////////////////////////////////// // Step 3: Attach an anonymous user to this request, if none // of the authentication modules created a user if (context.User == null) { context.SetPrincipalNoDemand(new GenericPrincipal(new GenericIdentity(String.Empty, String.Empty), new String[0]), false /*needToSetNativePrincipal*/); } Thread.CurrentPrincipal = context.User; } ///////////////////////////////////////////////////////////////////////////// void WriteErrorMessage(HttpContext context) { context.Response.Write(AuthFailedErrorFormatter.GetErrorText()); // In Integrated pipeline, ask for handler headers to be generated. This would be unnecessary // if we just threw an access denied exception, and used the standard error mechanism context.Response.GenerateResponseHeadersForHandler(); } } ////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////// internal class AuthFailedErrorFormatter : ErrorFormatter { private static string _strErrorText; private static object _syncObject = new object(); internal AuthFailedErrorFormatter() { } internal /*public*/ static string GetErrorText() { if (_strErrorText != null) return _strErrorText; lock(_syncObject) { if (_strErrorText == null) _strErrorText = (new AuthFailedErrorFormatter()).GetErrorMessage(); } return _strErrorText; } protected override string ErrorTitle { get { return SR.GetString(SR.Assess_Denied_Title);} } protected override string Description { get { return SR.GetString(SR.Assess_Denied_Description1); //"An error occurred while accessing the resources required to serve this request. This typically happens when you provide the wrong user-name and/or password."; } } protected override string MiscSectionTitle { get { return SR.GetString(SR.Assess_Denied_MiscTitle1);} //"Error message 401.1";} } protected override string MiscSectionContent { get { string miscContent = SR.GetString(SR.Assess_Denied_MiscContent1); AdaptiveMiscContent.Add(miscContent); return miscContent; //return "Logon credentials provided were not recognized. Make sure you are providing the correct user-name and password. Otherwise, ask the web server's administrator for help."; } } protected override string ColoredSquareTitle { get { return null;} } protected override string ColoredSquareContent { get { return null;} } protected override bool ShowSourceFileInfo { get { return false;} } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.[To be supplied.] ///
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- ComponentCodeDomSerializer.cs
- NumericExpr.cs
- _TLSstream.cs
- RelatedPropertyManager.cs
- BigInt.cs
- SqlInternalConnectionSmi.cs
- CqlIdentifiers.cs
- CommandExpr.cs
- XmlAtomicValue.cs
- ToolboxItemCollection.cs
- SQLInt16Storage.cs
- PropertyInformation.cs
- ChannelServices.cs
- SqlClientPermission.cs
- FormViewPagerRow.cs
- QueryGenerator.cs
- RecordManager.cs
- StringUtil.cs
- ImmutablePropertyDescriptorGridEntry.cs
- DataDocumentXPathNavigator.cs
- EndCreateSecurityTokenRequest.cs
- _UriSyntax.cs
- StyleConverter.cs
- SharedStatics.cs
- DataMisalignedException.cs
- MoveSizeWinEventHandler.cs
- TrackingLocation.cs
- URIFormatException.cs
- SuppressMergeCheckAttribute.cs
- PackageController.cs
- FileLogRecordStream.cs
- Environment.cs
- Int64.cs
- DummyDataSource.cs
- DbConnectionPoolGroupProviderInfo.cs
- ToolStripItemRenderEventArgs.cs
- _FtpControlStream.cs
- EntityKeyElement.cs
- DescendantQuery.cs
- RemoveStoryboard.cs
- SqlDuplicator.cs
- HyperLink.cs
- SqlDataSource.cs
- InternalResources.cs
- CorrelationManager.cs
- KeyBinding.cs
- xmlformatgeneratorstatics.cs
- PkcsUtils.cs
- ProxyWebPartConnectionCollection.cs
- XmlWellformedWriter.cs
- DebuggerAttributes.cs
- PersonalizablePropertyEntry.cs
- XPathNodeInfoAtom.cs
- TextCollapsingProperties.cs
- HwndHostAutomationPeer.cs
- HtmlContainerControl.cs
- ComponentEvent.cs
- ButtonBaseAutomationPeer.cs
- RadioButton.cs
- XPathDocumentIterator.cs
- BitmapEffectCollection.cs
- SplitterCancelEvent.cs
- GregorianCalendar.cs
- CorrelationTokenInvalidatedHandler.cs
- CompilerGlobalScopeAttribute.cs
- GenericEnumerator.cs
- UTF8Encoding.cs
- PropertyInfoSet.cs
- BrowserCapabilitiesCodeGenerator.cs
- SerializationEventsCache.cs
- DoubleCollection.cs
- TypedTableBaseExtensions.cs
- DependencyPropertyChangedEventArgs.cs
- DesignerOptions.cs
- EmptyEnumerable.cs
- ScriptModule.cs
- ClusterRegistryConfigurationProvider.cs
- ProcessRequestArgs.cs
- SimpleHandlerFactory.cs
- PolicyDesigner.cs
- DataRowChangeEvent.cs
- UnsettableComboBox.cs
- ConfigViewGenerator.cs
- MobileUserControl.cs
- IsolatedStorageFilePermission.cs
- DuplicateContext.cs
- NavigatorInput.cs
- SqlParameterCollection.cs
- TableLayoutPanelBehavior.cs
- Attachment.cs
- storepermission.cs
- EdmError.cs
- BinaryExpression.cs
- InfoCardRSAPKCS1KeyExchangeDeformatter.cs
- DependencyPropertyKey.cs
- ProcessManager.cs
- ModifyActivitiesPropertyDescriptor.cs
- PartManifestEntry.cs
- Point3DKeyFrameCollection.cs
- WebPageTraceListener.cs