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//
// RsaSecurityTokenAuthenticator.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;
using System.Xml;
namespace System.IdentityModel.Selectors
{
public class RsaSecurityTokenAuthenticator
: SecurityTokenAuthenticator
{
public RsaSecurityTokenAuthenticator ()
{
}
protected override bool CanValidateTokenCore (SecurityToken token)
{
return token is RsaSecurityToken;
}
[MonoTODO ("hmm, what to validate?")]
protected override ReadOnlyCollection<IAuthorizationPolicy>
ValidateTokenCore (SecurityToken token)
{
RsaSecurityToken rt = token as RsaSecurityToken;
if (rt == null)
throw new InvalidOperationException ("Security token '{0}' cannot be validated by this security token authenticator.");
IAuthorizationPolicy policy =
new RsaAuthorizationPolicy (rt.Rsa);
return new ReadOnlyCollection<IAuthorizationPolicy> (new IAuthorizationPolicy [] {policy});
}
class RsaAuthorizationPolicy : IAuthorizationPolicy
{
string id;
RSA rsa;
public RsaAuthorizationPolicy (RSA rsa)
{
id = new UniqueId ().ToString ();
}
public ClaimSet Issuer {
get { return ClaimSet.System; }
}
public string Id {
get { return id; }
}
public bool Evaluate (EvaluationContext ec, ref Object state)
{
ec.AddClaimSet (this, new DefaultClaimSet (Claim.CreateRsaClaim (rsa)));
ec.RecordExpirationTime (DateTime.MaxValue.AddDays (-1));
return true;
}
}
}
}
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