//
// X509SecurityTokenAuthenticator.cs
//
// Author:
// Atsushi Enomoto <atsushi@ximian.com>
//
// Copyright (C) 2006 Novell, Inc. http://www.novell.com
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.IdentityModel.Claims;
using System.IdentityModel.Policy;
using System.IdentityModel.Tokens;
using System.Security.Principal;
using System.Security.Cryptography.X509Certificates;
using System.Xml;
namespace System.IdentityModel.Selectors{
public class X509SecurityTokenAuthenticator
: SecurityTokenAuthenticator
{
bool map_to_windows, include_win_groups;
X509CertificateValidator validator;
public X509SecurityTokenAuthenticator ()
: this (X509CertificateValidator.ChainTrust)
{
}
public X509SecurityTokenAuthenticator (X509CertificateValidator validator)
: this (validator, false)
{
}
public X509SecurityTokenAuthenticator (X509CertificateValidator validator, bool mapToWindows)
: this (validator, mapToWindows, false)
{
}
public X509SecurityTokenAuthenticator (X509CertificateValidator validator, bool mapToWindows, bool includeWindowsGroups)
{
if (validator == null)
throw new ArgumentNullException ("validator");
this.validator = validator;
map_to_windows = mapToWindows;
include_win_groups = includeWindowsGroups;
if (map_to_windows || include_win_groups)
throw new NotSupportedException ("Why on earth do you expect that mapToWindows or includeWindowsGroups are supported here?");
}
protected override bool CanValidateTokenCore (SecurityToken token)
{
return token is X509SecurityToken;
}
protected override ReadOnlyCollection<IAuthorizationPolicy>
ValidateTokenCore (SecurityToken token)
{
X509SecurityToken xt = token as X509SecurityToken;
if (xt == null)
throw new InvalidOperationException (String.Format ("Security token '{0}' cannot be validated by this security token authenticator.", xt));
validator.Validate (xt.Certificate);
IAuthorizationPolicy policy =
new X509AuthorizationPolicy (xt.Certificate);
return new ReadOnlyCollection<IAuthorizationPolicy> (new IAuthorizationPolicy [] {policy});
}
class X509AuthorizationPolicy : SystemIdentityAuthorizationPolicy
{
X509Certificate2 cert;
public X509AuthorizationPolicy (X509Certificate2 cert)
: base (new UniqueId ().ToString ())
{
this.cert = cert;
}
public override DateTime ExpirationTime {
// FIXME: should it really be converted to UTC?
get { return cert.NotAfter.ToUniversalTime (); }
}
public override ClaimSet CreateClaims ()
{
return new DefaultClaimSet (Claim.CreateX500DistinguishedNameClaim (cert.SubjectName));
}
public override IIdentity CreateIdentity ()
{
return new GenericIdentity (String.Concat (cert.SubjectName, "; ", cert.Thumbprint), "X509");
}
}
}
}
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