WindowsUserNameSecurityTokenAuthenticator.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WCF / IdentityModel / System / IdentityModel / Selectors / WindowsUserNameSecurityTokenAuthenticator.cs / 1305376 / WindowsUserNameSecurityTokenAuthenticator.cs
                        

                        
                            //------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------

namespace System.IdentityModel.Selectors 
{
    using System.Collections.ObjectModel; 
    using System.ComponentModel; 
    using System.IdentityModel.Claims;
    using System.IdentityModel.Policy; 
    using System.IdentityModel.Tokens;
    using System.Runtime.InteropServices;
    using System.Security;
    using System.Security.Principal; 

    public class WindowsUserNameSecurityTokenAuthenticator : UserNameSecurityTokenAuthenticator 
    { 
        bool includeWindowsGroups;
 
        public WindowsUserNameSecurityTokenAuthenticator()
            : this(WindowsClaimSet.DefaultIncludeWindowsGroups)
        {
        } 

        public WindowsUserNameSecurityTokenAuthenticator(bool includeWindowsGroups) 
        { 
            this.includeWindowsGroups = includeWindowsGroups;
        } 

        protected override ReadOnlyCollection ValidateUserNamePasswordCore(string userName, string password)
        {
            string domain = null; 
            string[] strings = userName.Split('\\');
            if (strings.Length != 1) 
            { 
                if (strings.Length != 2 || String.IsNullOrEmpty(strings[0]))
                { 
                    // Only support one slash and domain cannot be empty (consistent with windowslogon).
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument(SR.GetString(SR.IncorrectUserNameFormat));
                }
 
                // This is the downlevel case - domain\userName
                userName = strings[1]; 
                domain = strings[0]; 
            }
 
            const uint LOGON32_PROVIDER_DEFAULT = 0;
            const uint LOGON32_LOGON_NETWORK_CLEARTEXT = 8;
            SafeCloseHandle tokenHandle = null;
            try 
            {
                if (!NativeMethods.LogonUser(userName, domain, password, LOGON32_LOGON_NETWORK_CLEARTEXT, LOGON32_PROVIDER_DEFAULT, out tokenHandle)) 
                { 
                    int error = Marshal.GetLastWin32Error();
                    throw  DiagnosticUtility.ExceptionUtility.ThrowHelperError(new SecurityTokenValidationException(SR.GetString(SR.FailLogonUser, userName), new Win32Exception(error))); 
                }

                WindowsIdentity windowsIdentity = new WindowsIdentity(tokenHandle.DangerousGetHandle(), SecurityUtils.AuthTypeBasic);
                WindowsClaimSet claimSet = new WindowsClaimSet(windowsIdentity, SecurityUtils.AuthTypeBasic, this.includeWindowsGroups, false); 
                return SecurityUtils.CreateAuthorizationPolicies(claimSet, claimSet.ExpirationTime);
            } 
            finally 
            {
                if (tokenHandle != null) 
                    tokenHandle.Close();
            }
        }
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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