From: Roland Schmitt <Roland.Schmitt@...>
Date: 2005-01-10T22:39:27+09:00
Subject: Re: Soap - connecting applications

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Hi,

Maarten Boonen schrieb:
> Hi,
> 
> I made an application in Ruby and want to provide an interface for other 
> (local) applications to use it. I tried to use SOAP for this purpose (a 
> good choice?) and it works great with a ruby server and ruby client. But 
> when i create a C# application to access the ruby server, I can connect 
> and execute the ruby method, but the result returned is an empty string. 
> (instead of, for instance, the 'hello world' the server sent out).
> Does anybody know whether this is because of some incompatibility 
> between the message sent and expected by the c# client, or because I 
> made an error in my c# code? (which I shamelessly copied and slightly 
> adapted from an online tutorial)

> Maarten
> 
> 
> ------------------------------------------------------------------------
> 
> namespace HelloService
> {
> 	using System.Diagnostics;
> 	using System.Xml.Serialization;
> 	using System;
> 	using System.Web.Services;
> 	using System.Web.Services.Protocols;
> 
> 	[System.Web.Services.WebServiceBindingAttribute(
> 		 Name="SuperDuperTest",
> 		 Namespace="www.superdupertest.com")]
> 
> 	public class HelloProxy: System.Web.Services.Protocols.SoapHttpClientProtocol
> 	{
> 		public HelloProxy()
> 		{
> 			this.Url = "http://localhost:9999/";
> 		}
> 
> 		[System.Web.Services.Protocols.SoapDocumentMethodAttribute(
> 			"www.superdupertest.com/hello",
> 			 RequestNamespace="www.superdupertest.com",
> 			 ResponseNamespace="www.superdupertest.com",
> 			 Use=System.Web.Services.Description.SoapBindingUse.Literal, 
> 			 ParameterStyle=System.Web.Services.Protocols.SoapParameterStyle.Wrapped)]
> 		public string hello(string name)
> 		{
> 			object [] results = this.Invoke("hello",new object[] { name });
> 			return ((string)(results[0]));
> 		}
> 
> 		[STAThread]
> 		static void Main() 
> 		{
> 			HelloProxy service = new HelloProxy();
> 			Console.WriteLine("--->" + service.hello("Robert") + "<---");
> 		}
> 	}
> }//End of HelloService Namespace
> 
> 
> ------------------------------------------------------------------------

you must provide the
		[System.Web.Services.Protocols.SoapRpcMethod()]
Attribute to your methods like in the example attached.

Hope in helps.

Regards,
Roland

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using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Web;
using System.Web.Services;
using System.Web.Services.Protocols;
using System.Xml.Serialization;

using Microsoft.Web.Services2;
using Microsoft.Web.Services2.Security;
using Microsoft.Web.Services2.Security.Tokens;
using Microsoft.Web.Services2.Security.X509;

namespace PingService {
	[WebService(Namespace="http://localhost/PingService/")]
	public class Hello : System.Web.Services.WebService {
		public Hello() {
			//CODEGEN: Dieser Aufruf ist f�r den ASP.NET-Webdienst-Designer erforderlich.
			InitializeComponent();
		}
		#region Vom Komponenten-Designer generierter Code
		
		//Erforderlich f�r den Webdienst-Designer 
		private IContainer components = null;
				
		/// <summary>
		/// Erforderliche Methode f�r die Designerunterst�tzung. 
		/// Der Inhalt der Methode darf nicht mit dem Code-Editor ge�ndert werden.
		/// </summary>
		private void InitializeComponent() {
		}

		/// <summary>
		/// Die verwendeten Ressourcen bereinigen.
		/// </summary>
		protected override void Dispose( bool disposing ) {
			if(disposing && components != null) {
				components.Dispose();
			}
			base.Dispose(disposing);		
		}
		
		#endregion

		[WebMethod]
		[System.Web.Services.Protocols.SoapRpcMethod()]
		public string SayHello(string name) {
			SoapContext requestContext = Microsoft.Web.Services2.RequestSoapContext.Current;
			SoapContext responseContext = Microsoft.Web.Services2.ResponseSoapContext.Current;
			X509SecurityToken x509Token = getToken();

			ISecurityTokenManager stm = SecurityTokenManager.GetSecurityTokenManagerByTokenType(WSTrust.TokenTypes.X509v3);
			X509SecurityTokenManager x509tm = stm as X509SecurityTokenManager;
			x509tm.DefaultSessionKeyAlgorithm = "TripleDES";
			if (x509Token == null) {
				throw new SecurityFault(SecurityFault.FailedAuthenticationMessage, SecurityFault.FailedAuthenticationCode);
			} else {
				EncryptedData ed = new EncryptedData(x509Token);
				responseContext.Security.Elements.Add(ed);
			}
			return "Hello, " + name;
		}

		private X509SecurityToken getToken() {
			X509SecurityToken token = null;
			X509CertificateStore store = null;
			string keyIdentifier = "nRBfsExrZ3BhmPz3ejKQCmiEYbQ=";
			// Open the CurrentUser Certificate Store and try OtherPeople first
			//store = X509CertificateStore.CurrentUserStore(X509CertificateStore.RootStore);
			store = X509CertificateStore.LocalMachineStore(X509CertificateStore.MyStore);
			store.OpenRead();
			X509CertificateCollection coll = store.FindCertificateByKeyIdentifier(Convert.FromBase64String(keyIdentifier));
			
			if (coll.Count > 0) {
				// Get the first certificate in the collection
				token = new X509SecurityToken( ((X509Certificate) coll[0]) );
			}
			return token;
		}
	}
}

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