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//------------------------------------------------------------
// 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<IAuthorizationPolicy> 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();
}
}
}
}
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