Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / DefaultHttpHandler.cs / 1305376 / DefaultHttpHandler.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web { using System; using System.Collections; using System.Collections.Specialized; using System.Globalization; using System.Text; using System.Web.Util; using System.Security.Permissions; public class DefaultHttpHandler : IHttpAsyncHandler { private HttpContext _context; private NameValueCollection _executeUrlHeaders; public DefaultHttpHandler() { } protected HttpContext Context { get { return _context; } } // headers to provide to execute url protected NameValueCollection ExecuteUrlHeaders { get { if (_executeUrlHeaders == null && _context != null) { _executeUrlHeaders = new NameValueCollection(_context.Request.Headers); } return _executeUrlHeaders; } } // called when we know a precondition for calling // execute URL has been violated public virtual void OnExecuteUrlPreconditionFailure() { // do nothing - the derived class might throw } // add a virtual method that provides the request target for the EXECUTE_URL call // if return null, the default calls EXECUTE_URL for the default target public virtual String OverrideExecuteUrlPath() { return null; } internal static bool IsClassicAspRequest(String filePath) { return StringUtil.StringEndsWithIgnoreCase(filePath, ".asp"); } [FileIOPermission(SecurityAction.Assert, Unrestricted = true)] private static string MapPathWithAssert(HttpContext context, string virtualPath) { return context.Request.MapPath(virtualPath); } public virtual IAsyncResult BeginProcessRequest(HttpContext context, AsyncCallback callback, Object state) { // DDB 168193: DefaultHttpHandler is obsolate in integrated mode if (HttpRuntime.UseIntegratedPipeline) { throw new PlatformNotSupportedException(SR.GetString(SR.Method_Not_Supported_By_Iis_Integrated_Mode, "DefaultHttpHandler.BeginProcessRequest")); } _context = context; HttpResponse response = _context.Response; if (response.CanExecuteUrlForEntireResponse) { // use ExecuteUrl String path = OverrideExecuteUrlPath(); if (path != null && !HttpRuntime.IsFullTrust) { // validate that an untrusted derived classes (not in GAC) // didn't set the path to a place that CAS wouldn't let it access if (!this.GetType().Assembly.GlobalAssemblyCache) { HttpRuntime.CheckFilePermission(MapPathWithAssert(context, path)); } } return response.BeginExecuteUrlForEntireResponse(path, _executeUrlHeaders, callback, state); } else { // let the base class throw if it doesn't want static files handler OnExecuteUrlPreconditionFailure(); // use static file handler _context = null; // don't keep request data alive in [....] case HttpRequest request = context.Request; // refuse POST requests if (request.HttpVerb == HttpVerb.POST) { throw new HttpException(405, SR.GetString(SR.Method_not_allowed, request.HttpMethod, request.Path)); } // refuse .asp requests if (IsClassicAspRequest(request.FilePath)) { throw new HttpException(403, SR.GetString(SR.Path_forbidden, request.Path)); } // default to static file handler StaticFileHandler.ProcessRequestInternal(context, OverrideExecuteUrlPath()); // return async result indicating completion return new HttpAsyncResult(callback, state, true, null, null); } } public virtual void EndProcessRequest(IAsyncResult result) { if (_context != null) { HttpResponse response = _context.Response; _context = null; response.EndExecuteUrlForEntireResponse(result); } } public virtual void ProcessRequest(HttpContext context) { // this handler should never be called synchronously throw new InvalidOperationException(SR.GetString(SR.Cannot_call_defaulthttphandler_[....])); } public virtual bool IsReusable { get { return false; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web { using System; using System.Collections; using System.Collections.Specialized; using System.Globalization; using System.Text; using System.Web.Util; using System.Security.Permissions; public class DefaultHttpHandler : IHttpAsyncHandler { private HttpContext _context; private NameValueCollection _executeUrlHeaders; public DefaultHttpHandler() { } protected HttpContext Context { get { return _context; } } // headers to provide to execute url protected NameValueCollection ExecuteUrlHeaders { get { if (_executeUrlHeaders == null && _context != null) { _executeUrlHeaders = new NameValueCollection(_context.Request.Headers); } return _executeUrlHeaders; } } // called when we know a precondition for calling // execute URL has been violated public virtual void OnExecuteUrlPreconditionFailure() { // do nothing - the derived class might throw } // add a virtual method that provides the request target for the EXECUTE_URL call // if return null, the default calls EXECUTE_URL for the default target public virtual String OverrideExecuteUrlPath() { return null; } internal static bool IsClassicAspRequest(String filePath) { return StringUtil.StringEndsWithIgnoreCase(filePath, ".asp"); } [FileIOPermission(SecurityAction.Assert, Unrestricted = true)] private static string MapPathWithAssert(HttpContext context, string virtualPath) { return context.Request.MapPath(virtualPath); } public virtual IAsyncResult BeginProcessRequest(HttpContext context, AsyncCallback callback, Object state) { // DDB 168193: DefaultHttpHandler is obsolate in integrated mode if (HttpRuntime.UseIntegratedPipeline) { throw new PlatformNotSupportedException(SR.GetString(SR.Method_Not_Supported_By_Iis_Integrated_Mode, "DefaultHttpHandler.BeginProcessRequest")); } _context = context; HttpResponse response = _context.Response; if (response.CanExecuteUrlForEntireResponse) { // use ExecuteUrl String path = OverrideExecuteUrlPath(); if (path != null && !HttpRuntime.IsFullTrust) { // validate that an untrusted derived classes (not in GAC) // didn't set the path to a place that CAS wouldn't let it access if (!this.GetType().Assembly.GlobalAssemblyCache) { HttpRuntime.CheckFilePermission(MapPathWithAssert(context, path)); } } return response.BeginExecuteUrlForEntireResponse(path, _executeUrlHeaders, callback, state); } else { // let the base class throw if it doesn't want static files handler OnExecuteUrlPreconditionFailure(); // use static file handler _context = null; // don't keep request data alive in [....] case HttpRequest request = context.Request; // refuse POST requests if (request.HttpVerb == HttpVerb.POST) { throw new HttpException(405, SR.GetString(SR.Method_not_allowed, request.HttpMethod, request.Path)); } // refuse .asp requests if (IsClassicAspRequest(request.FilePath)) { throw new HttpException(403, SR.GetString(SR.Path_forbidden, request.Path)); } // default to static file handler StaticFileHandler.ProcessRequestInternal(context, OverrideExecuteUrlPath()); // return async result indicating completion return new HttpAsyncResult(callback, state, true, null, null); } } public virtual void EndProcessRequest(IAsyncResult result) { if (_context != null) { HttpResponse response = _context.Response; _context = null; response.EndExecuteUrlForEntireResponse(result); } } public virtual void ProcessRequest(HttpContext context) { // this handler should never be called synchronously throw new InvalidOperationException(SR.GetString(SR.Cannot_call_defaulthttphandler_[....])); } public virtual bool IsReusable { get { return false; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu

This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- EdmComplexPropertyAttribute.cs
- _ListenerAsyncResult.cs
- EventSetterHandlerConverter.cs
- WebPartEditorApplyVerb.cs
- PageVisual.cs
- XMLDiffLoader.cs
- StorageModelBuildProvider.cs
- GridEntry.cs
- XmlTypeMapping.cs
- EnumerableRowCollectionExtensions.cs
- UdpDiscoveryEndpointElement.cs
- InkCollectionBehavior.cs
- DashStyles.cs
- DelimitedListTraceListener.cs
- SqlClientPermission.cs
- IProvider.cs
- RootBuilder.cs
- DataGridColumnEventArgs.cs
- HtmlLiteralTextAdapter.cs
- PageContentCollection.cs
- BuildProvider.cs
- TypedAsyncResult.cs
- TcpTransportManager.cs
- StringAnimationUsingKeyFrames.cs
- WindowsTreeView.cs
- ActivationArguments.cs
- FactoryId.cs
- XdrBuilder.cs
- StorageBasedPackageProperties.cs
- HttpHeaderCollection.cs
- StyleTypedPropertyAttribute.cs
- EncryptedReference.cs
- webeventbuffer.cs
- SpellCheck.cs
- SHA384Managed.cs
- MetadataArtifactLoaderResource.cs
- PersonalizationProvider.cs
- DefaultCommandExtensionCallback.cs
- OrderedHashRepartitionEnumerator.cs
- storagemappingitemcollection.viewdictionary.cs
- GradientStop.cs
- CodeMemberProperty.cs
- CodeTypeReferenceExpression.cs
- RoleGroupCollection.cs
- RichTextBoxDesigner.cs
- PropertyGridCommands.cs
- OutputCacheSettingsSection.cs
- AuditLevel.cs
- AssemblyAttributes.cs
- SessionStateSection.cs
- LoadWorkflowCommand.cs
- DataControlFieldHeaderCell.cs
- KeyGestureConverter.cs
- XamlSerializerUtil.cs
- Journaling.cs
- UnhandledExceptionEventArgs.cs
- CharConverter.cs
- TextEndOfSegment.cs
- XmlSchemaComplexType.cs
- TableLayoutPanel.cs
- Triplet.cs
- PerformanceCounterManager.cs
- ForwardPositionQuery.cs
- DataKeyArray.cs
- Point3DAnimation.cs
- FolderLevelBuildProvider.cs
- WebAdminConfigurationHelper.cs
- StringDictionaryWithComparer.cs
- UnsafeNativeMethodsCLR.cs
- SqlConnectionPoolProviderInfo.cs
- Visual3DCollection.cs
- BaseDataListDesigner.cs
- SplineKeyFrames.cs
- WasAdminWrapper.cs
- UnsafeNativeMethods.cs
- ThicknessConverter.cs
- SqlBulkCopy.cs
- OdbcHandle.cs
- GregorianCalendar.cs
- FontDialog.cs
- ClientUtils.cs
- Monitor.cs
- Config.cs
- SqlTriggerContext.cs
- ExpressionEditor.cs
- RegexGroup.cs
- LoadedOrUnloadedOperation.cs
- NavigationProperty.cs
- DesignerOptionService.cs
- VirtualDirectoryMappingCollection.cs
- XmlSchemaCollection.cs
- SafeHandles.cs
- ColumnWidthChangingEvent.cs
- ExpressionEditorAttribute.cs
- InkPresenterAutomationPeer.cs
- x509utils.cs
- CodePageUtils.cs
- ImageKeyConverter.cs
- ToolboxItemAttribute.cs
- MemberProjectionIndex.cs