136 lines
3.8 KiB
C#
136 lines
3.8 KiB
C#
//
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// System.Web.Services.Protocols.HttpSimpleWebServiceHandler.cs
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//
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// Author:
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// Lluis Sanchez Gual (lluis@ximian.com)
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//
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// Copyright (C) Ximian, Inc. 2003
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//
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Reflection;
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using System.IO;
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using System.Web.Services;
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namespace System.Web.Services.Protocols
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{
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internal class HttpSimpleWebServiceHandler: WebServiceHandler
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{
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HttpSimpleTypeStubInfo _typeInfo;
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HttpSimpleMethodStubInfo method;
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public HttpSimpleWebServiceHandler (Type type, string protocolName)
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: base (type)
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{
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_typeInfo = (HttpSimpleTypeStubInfo) TypeStubManager.GetTypeStub (type, protocolName);
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}
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protected HttpSimpleTypeStubInfo TypeStub
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{
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get { return _typeInfo; }
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}
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internal override MethodStubInfo GetRequestMethod (HttpContext context)
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{
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string name = context.Request.PathInfo;
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if (name.StartsWith ("/"))
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name = name.Substring (1);
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method = (HttpSimpleMethodStubInfo) _typeInfo.GetMethod (name);
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if (method == null)
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WriteError (context, "Method " + name + " not defined in service " + ServiceType.Name);
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return method;
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}
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public override void ProcessRequest (HttpContext context)
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{
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Context = context;
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Stream respStream = null;
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Exception error = null;
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try
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{
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if (method == null)
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method = (HttpSimpleMethodStubInfo) GetRequestMethod (context);
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if (method.MethodInfo.EnableSession)
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Session = context.Session;
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MimeParameterReader parameterReader = (MimeParameterReader) method.ParameterReaderType.Create ();
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object[] parameters = parameterReader.Read (context.Request);
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MimeReturnWriter returnWriter = (MimeReturnWriter) method.ReturnWriterType.Create ();
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object result = Invoke (method.MethodInfo, parameters);
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respStream = context.Response.OutputStream;
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returnWriter.Write (context.Response, respStream, result);
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}
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catch (Exception ex)
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{
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error = ex;
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}
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if (error != null)
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WriteError (context, error.ToString ());
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if (respStream != null)
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respStream.Close ();
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}
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void WriteError (HttpContext context, string msg)
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{
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try
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{
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context.Response.ContentType = "text/plain";
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context.Response.StatusCode = 500;
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context.Response.Write (msg);
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context.Response.End ();
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}
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catch {}
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}
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object Invoke (LogicalMethodInfo method, object[] parameters)
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{
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try
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{
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object server = CreateServerInstance ();
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try {
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object[] res = method.Invoke (server, parameters);
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if (!method.IsVoid) return res[0];
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else return null;
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}
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finally {
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IDisposable disp = server as IDisposable;
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if (disp != null)
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disp.Dispose();
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}
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}
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catch (TargetInvocationException ex)
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{
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throw ex.InnerException;
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}
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}
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}
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}
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