Csharp/C Sharp/Development Class/Identity

Demonstrates determining group identity

/*
Mastering Visual C# .NET
by Jason Price, Mike Gunderloy
Publisher: Sybex;
ISBN: 0782129110
*/

/*
  Example19_7.cs demonstrates determining group identity
*/
using System;
using System.Security.Principal;

public class Example19_6a 
{
    public static void Main() 
    {
        // get the current identity
        WindowsIdentity wi = WindowsIdentity.GetCurrent();
        // get the associated principal
        WindowsPrincipal prin = new WindowsPrincipal(wi);
        if (prin.IsInRole(WindowsBuiltInRole.PowerUser)) 
        {
            Console.WriteLine("You are a member of the Power User group");
        }
        else
        {
            Console.WriteLine("You are not a member of the Power User group");
        }
    }
}

Demonstrates principal and identity objects

/*
Mastering Visual C# .NET
by Jason Price, Mike Gunderloy
Publisher: Sybex;
ISBN: 0782129110
*/

/*
  Example19_6.cs demonstrates principal & identity objects
*/
using System;
using System.Security.Principal;

public class Example19_6 
{
    public static void Main() 
    {
        // get the current identity
        WindowsIdentity wi = WindowsIdentity.GetCurrent();
        Console.WriteLine("Identity information:");
        Console.WriteLine("  Authentication Type: {0}",wi.AuthenticationType);
        Console.WriteLine("  Is Anonymous: {0}", wi.IsAnonymous);
        Console.WriteLine("  Is Authenticated: {0}", wi.IsAuthenticated);
        Console.WriteLine("  Is Guest: {0}", wi.IsGuest);
        Console.WriteLine("  Is System: {0}", wi.IsSystem);
        Console.WriteLine("  Name: {0}", wi.Name);
        Console.WriteLine("  Token: {0}", wi.Token);
        // get the associated principal
        WindowsPrincipal prin = new WindowsPrincipal(wi);
        Console.WriteLine("Principal information:");
        Console.WriteLine("  Authentication Type: {0}", prin.Identity.AuthenticationType);
        Console.WriteLine("  Is authenticated: {0}", prin.Identity.IsAuthenticated);
        Console.WriteLine("  Name: {0}", prin.Identity.Name);
    }
}