Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Services / Web / System / Web / Services / Protocols / WebServiceHandlerFactory.cs / 1305376 / WebServiceHandlerFactory.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.Services.Protocols { using System.Diagnostics; using System; using System.Web; using Microsoft.Win32; //using System.Reflection; using System.Web.UI; using System.ComponentModel; // for CompModSwitches using System.IO; using System.Web.Services.Configuration; using System.Security.Permissions; using System.Threading; using System.Web.Services.Diagnostics; ////// /// [PermissionSet(SecurityAction.InheritanceDemand, Name = "FullTrust")] public class WebServiceHandlerFactory : IHttpHandlerFactory { /* static WebServiceHandlerFactory() { Stream stream = new FileStream("c:\\out.txt", FileMode.OpenOrCreate, FileAccess.Write, FileShare.ReadWrite); //(FileMode.OpenOrCreate); TraceListener listener = new TextWriterTraceListener(stream); Debug.AutoFlush = true; Debug.Listeners.Add(listener); Debug.WriteLine("--------------"); } */ #if DEBUG void DumpRequest(HttpContext context) { HttpRequest request = context.Request; Debug.WriteLine("Process Request called."); Debug.WriteLine("Path = " + request.Path); Debug.WriteLine("PhysicalPath = " + request.PhysicalPath); Debug.WriteLine("Query = " + request.Url.Query); Debug.WriteLine("HttpMethod = " + request.HttpMethod); Debug.WriteLine("ContentType = " + request.ContentType); Debug.WriteLine("PathInfo = " + request.PathInfo); Debug.WriteLine("----Http request headers: ----"); System.Collections.Specialized.NameValueCollection headers = request.Headers; foreach (string name in headers) { string value = headers[name]; if (value != null && value.Length > 0) Debug.WriteLine(name + "=" + headers[name]); } } #endif ///[To be supplied.] ////// /// public IHttpHandler GetHandler(HttpContext context, string verb, string url, string filePath) { TraceMethod method = Tracing.On ? new TraceMethod(this, "GetHandler") : null; if (Tracing.On) Tracing.Enter("IHttpHandlerFactory.GetHandler", method, Tracing.Details(context.Request)); new AspNetHostingPermission(AspNetHostingPermissionLevel.Minimal).Demand(); //if (CompModSwitches.Remote.TraceVerbose) DumpRequest(context); //System.Diagnostics.Debugger.Break(); #if DEBUG if (CompModSwitches.Remote.TraceVerbose) DumpRequest(context); #endif Type type = GetCompiledType(url, context); IHttpHandler handler = CoreGetHandler(type, context, context.Request, context.Response); if (Tracing.On) Tracing.Exit("IHttpHandlerFactory.GetHandler", method); return handler; } // Asserts security permission. // Reason: System.Web.UI.WebServiceParser.GetCompiledType() demands SecurityPermission. // Justification: The type returned is only used to get the IHttpHandler. [SecurityPermission(SecurityAction.Assert, Unrestricted = true)] private Type GetCompiledType(string url, HttpContext context) { return WebServiceParser.GetCompiledType(url, context); } internal IHttpHandler CoreGetHandler(Type type, HttpContext context, HttpRequest request, HttpResponse response) { TraceMethod caller = Tracing.On ? new TraceMethod(this, "CoreGetHandler") : null; ServerProtocolFactory[] protocolFactories = GetServerProtocolFactories(); ServerProtocol protocol = null; bool abort = false; for (int i = 0; i < protocolFactories.Length; i++) { try { protocol = protocolFactories[i].Create(type, context, request, response, out abort); if ((protocol != null && protocol.GetType() != typeof(UnsupportedRequestProtocol)) || abort) break; } catch (Exception e) { if (e is ThreadAbortException || e is StackOverflowException || e is OutOfMemoryException) { throw; } throw Tracing.ExceptionThrow(caller, new InvalidOperationException(Res.GetString(Res.FailedToHandleRequest0), e)); } } if (abort) return new NopHandler(); if (protocol == null) { if (request.PathInfo != null && request.PathInfo.Length != 0) { throw Tracing.ExceptionThrow(caller, new InvalidOperationException(Res.GetString(Res.WebUnrecognizedRequestFormatUrl, new object[] { request.PathInfo }))); } else { throw Tracing.ExceptionThrow(caller, new InvalidOperationException(Res.GetString(Res.WebUnrecognizedRequestFormat))); } } else if (protocol is UnsupportedRequestProtocol) { throw Tracing.ExceptionThrow(caller, new HttpException(((UnsupportedRequestProtocol)protocol).HttpCode, Res.GetString(Res.WebUnrecognizedRequestFormat))); } bool isAsync = protocol.MethodInfo.IsAsync; bool requiresSession = protocol.MethodAttribute.EnableSession; if (isAsync) { if (requiresSession) { return new AsyncSessionHandler(protocol); } else { return new AsyncSessionlessHandler(protocol); } } else { if (requiresSession) { return new SyncSessionHandler(protocol); } else { return new SyncSessionlessHandler(protocol); } } } // Asserts FullTrust permission. // Justification: FullTrust is used only to create the objects of type SoapServerProtocolFactory and for nothing else. [PermissionSet(SecurityAction.Assert, Name = "FullTrust")] private ServerProtocolFactory[] GetServerProtocolFactories() { return WebServicesSection.Current.ServerProtocolFactories; } ///[To be supplied.] ////// /// public void ReleaseHandler(IHttpHandler handler) { } } internal class UnsupportedRequestProtocol : ServerProtocol { int httpCode; internal UnsupportedRequestProtocol(int httpCode) { this.httpCode = httpCode; } internal int HttpCode { get { return httpCode; } } internal override bool Initialize() { return true; } internal override bool IsOneWay { get { return false; } } internal override LogicalMethodInfo MethodInfo { get { return null; } } internal override ServerType ServerType { get { return null; } } internal override object[] ReadParameters() { return new object[0]; } internal override void WriteReturns(object[] returnValues, Stream outputStream) { } internal override bool WriteException(Exception e, Stream outputStream) { return false; } } internal class NopHandler : IHttpHandler { ///[To be supplied.] ////// /// IHttpHandler.IsReusable. /// public bool IsReusable { get { return false; } } ////// /// IHttpHandler.ProcessRequest. /// public void ProcessRequest(HttpContext context) { } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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