74 lines
2.6 KiB
C#
74 lines
2.6 KiB
C#
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//------------------------------------------------------------------------------
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// <copyright file="PageHandlerFactory.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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/*
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* Handler Factory implementation for Page files
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*
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* Copyright (c) 1999 Microsoft Corporation
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*/
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namespace System.Web.UI {
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using System.Runtime.Serialization.Formatters;
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using System.IO;
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using System.Security.Permissions;
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using System.Web.Compilation;
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using System.Web.Util;
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using Debug=System.Web.Util.Debug;
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/*
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* Handler Factory implementation for ASP.NET files
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*/
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[PermissionSet(SecurityAction.LinkDemand, Unrestricted = true)]
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[PermissionSet(SecurityAction.InheritanceDemand, Unrestricted=true)]
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public class PageHandlerFactory : IHttpHandlerFactory2 {
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private bool _isInheritedInstance;
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protected internal PageHandlerFactory() {
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// Check whether this is the exact PageHandlerFactory, or a derived class
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_isInheritedInstance = (GetType() != typeof(PageHandlerFactory));
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}
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public virtual IHttpHandler GetHandler(HttpContext context, string requestType, string virtualPath, string path) {
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Debug.Trace("PageHandlerFactory", "PageHandlerFactory: " + virtualPath);
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// This should never get called in ISAPI mode but currently is in integrated mode
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// Debug.Assert(false);
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return GetHandlerHelper(context, requestType, VirtualPath.CreateNonRelative(virtualPath), path);
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}
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IHttpHandler IHttpHandlerFactory2.GetHandler(HttpContext context, String requestType,
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VirtualPath virtualPath, String physicalPath) {
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// If it's a derived class, we must call the old (less efficient) GetHandler, in
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// case it was overriden
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if (_isInheritedInstance) {
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return GetHandler(context, requestType, virtualPath.VirtualPathString, physicalPath);
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}
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return GetHandlerHelper(context, requestType, virtualPath, physicalPath);
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}
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public virtual void ReleaseHandler(IHttpHandler handler) { }
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private IHttpHandler GetHandlerHelper(HttpContext context, string requestType,
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VirtualPath virtualPath, string physicalPath) {
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Page page = BuildManager.CreateInstanceFromVirtualPath(
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virtualPath, typeof(Page), context, true /*allowCrossApp*/) as Page;
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if (page == null)
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return null;
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page.TemplateControlVirtualPath = virtualPath;
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return page;
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}
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}
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}
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