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Selfhosted Secure WCF by Id password, custom validation

By , 2 Aug 2012
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Introduction 

Selfhosted Secure WCF Custom validation, No config file needed – all setting in code only, No IIS – Self hosted, consume by channel factory 

Background 

I recently came in situation where I need to make Secure WCF POC in environment where we don’t have IIS and we have only VS 2010 Express. And we need to create totally self dependent POC so no certificate.

The solution is to create self hosted WCF service use custom validation and consume it by using Channel factory. While create this POC I got some error then I started searching internet for similar kind of POC I got couple of them but most of them Is not in ready to run position like have only server side code or have only client or need to change something in app.config. 

WCF Server side  

 

Self hosted (console) WCF service,  Transport security (ID/Pwd)  

using System;
using System.ServiceModel;
using System.ServiceModel.Security;
using System.IdentityModel.Tokens;
using System.IdentityModel.Selectors;
using System.Security.Principal;
using System.ServiceModel.Description;
 
namespace SecurWCFSelfHosting
{
    class Program
    {
        static void Main(string[] args)
        {
        
            // This is a address of our service
            Uri httpUrl = new Uri("http://localhost:999/MyService/");
            //Create ServiceHost
            ServiceHost host = new ServiceHost(typeof(DemoService), httpUrl);
            
            /// Set behaviour of **binding**
            BasicHttpBinding http = new BasicHttpBinding();
            //1. set Mode TransportCredentialOnly = no httpS 
            http.Security.Mode = BasicHttpSecurityMode.TransportCredentialOnly;
            //2. Transport security Basic = user id and password
            http.Security.Transport.ClientCredentialType = HttpClientCredentialType.Basic;
            
             
            ///** Set behaviour of **host**
            //Add a service endpoint
            host.AddServiceEndpoint(typeof(IDemoService), http, "");
            host.Credentials.UserNameAuthentication.UserNamePasswordValidationMode = UserNamePasswordValidationMode.Custom;
            host.Credentials.UserNameAuthentication.CustomUserNamePasswordValidator = new MyCustomValidator();
 
            // checking and publishing meta data
            ServiceMetadataBehavior smb = host.Description.Behaviors.Find<ServiceMetadataBehavior>();
            if (smb == null)
            {
                smb = new ServiceMetadataBehavior();
                smb.HttpGetEnabled = true;
                host.Description.Behaviors.Add(smb);
            }
            
            //Start the Service
            host.Open();
 
            Console.WriteLine(DateTime.Now.ToString()+" Service is host at " + httpUrl.ToString());
            Console.WriteLine("The service is running in the following account: {0}", WindowsIdentity.GetCurrent().Name);
            Console.WriteLine("Press <ENTER> to terminate service.");
            Console.ReadLine(); 
        }
    }
 
    public class MyCustomValidator : UserNamePasswordValidator
    {
        public override void Validate(string userName, string password)
        {
            //For Demo only here you can add logic to validate ID,Pwd in AD or DB
            if ((userName != "h") || (password != "p"))
            {
                throw new SecurityTokenException("Him:) Validation Failed!");
            }
            Console.WriteLine(DateTime.Now.ToString()+" Validation success for user :"+ userName);
        }
    }
}
 
 

Client side  

 

Consume in console apps, using channel factory  

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.ServiceModel;
using System.ServiceModel.Description;
 
/// svcuti. @ C:\Program Files\Microsoft SDKs\Windows\v7.0A\bin

namespace WCFConsumeByChannelFactory
{
    class Program
    {
        static void Main(string[] args)
        {
 
            EndpointAddress Serviceaddress = new EndpointAddress("http://localhost:999/MyService/");
 
            /// Set behaviour of **binding** Same setting as ##Server##
            BasicHttpBinding httpBinding = new BasicHttpBinding();
            httpBinding.Security.Mode = BasicHttpSecurityMode.TransportCredentialOnly;
            httpBinding.Security.Transport.ClientCredentialType = HttpClientCredentialType.Basic;
            
            ChannelFactory<IDemoService> myChannelFactory =
                new ChannelFactory<IDemoService>(httpBinding, Serviceaddress);
            var defaultCredentials = myChannelFactory.Endpoint.Behaviors.Find<ClientCredentials>();
 
            //#1 IF this dosen not work then try #2
            myChannelFactory.Credentials.UserName.UserName = "h";
            myChannelFactory.Credentials.UserName.Password = "p";
 
            ///#2
            //ClientCredentials CC = new ClientCredentials();
            //CC.UserName.UserName = "h";
            //CC.UserName.Password = "p";
            // myChannelFactory.Endpoint.Behaviors.Remove(defaultCredentials); //remove default ones
            // myChannelFactory.Endpoint.Behaviors.Add(CC); //add required on

            // Create a channel.
            IDemoService wcfClient1 = myChannelFactory.CreateChannel();
 
            double s = wcfClient1.Add(73, 22);
            Console.WriteLine(s.ToString());
            ((IClientChannel)wcfClient1).Close();
 
            Console.ReadKey();
 
        }
    }
}
 
 

These all code is in attached zip file. 


Points of Interest 

While searching in internet i found this :How to: Call Operations Asynchronously Using a Channel Factory  http://msdn.microsoft.com/en-us/library/bb885132.aspx 

Bindings Summary 

http://wcfsecurityguide.codeplex.com/releases/view/15892 


License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

About the Author

Himanshu Thawait
Technical Lead
United States United States
Himanshu Thawait is from Pune INDIA, He is Currently Working with Cognizant. As a Technical Designer and Lead
 
Himanshu has more than 9+ yrs of experience in the IT industry working on Microsoft Technologies. He is involved in various project activities like designing the system and technical architecture,leading technical front and doing core development.He also has strong knowledge of Enterprise Business Application Domain.
 
Technical experience :C#, ASP.NET MVC 4 @Razor, WCF and Webservices, Biztalk 2010/2009/2006R2 with EDI(HIPPA).

Comments and Discussions

 
GeneralMy vote of 5 PinmemberMember 327776027-May-13 22:47 
Questiondownload broken PinmemberMember 967590111-Dec-12 3:55 
AnswerRe: download broken PinmemberHimanshu Thawait11-Dec-12 4:41 
GeneralMy vote of 4 PinmemberChristian Amado2-Aug-12 10:36 

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