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//
// CustomUserNameSecurityTokenAuthenticator.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.Xml;
namespace System.IdentityModel.Selectors
{
public class CustomUserNameSecurityTokenAuthenticator
: UserNameSecurityTokenAuthenticator
{
UserNamePasswordValidator validator;
public CustomUserNameSecurityTokenAuthenticator (
UserNamePasswordValidator validator)
{
if (validator == null)
throw new ArgumentNullException ("validator");
this.validator = validator;
}
protected override ReadOnlyCollection<IAuthorizationPolicy>
ValidateUserNamePasswordCore (string userName, string password)
{
validator.Validate (userName, password);
IAuthorizationPolicy policy =
new AuthorizedCustomUserPolicy (userName);
return new ReadOnlyCollection<IAuthorizationPolicy> (new IAuthorizationPolicy [] {policy});
}
abstract class SystemIdentityAuthorizationPolicy : IAuthorizationPolicy
{
string id;
protected SystemIdentityAuthorizationPolicy (string id)
{
this.id = id;
}
public string Id {
get { return id; }
}
public ClaimSet Issuer {
get { return ClaimSet.System; }
}
// This method is expected to be thread safe
public bool Evaluate (EvaluationContext ec, ref object state)
{
lock (ec) {
ec.AddClaimSet (this, CreateClaims ());
List<IIdentity> list;
if (!ec.Properties.ContainsKey ("Identities")) {
list = new List<IIdentity> ();
ec.Properties ["Identities"] = list;
} else {
IList<IIdentity> ilist = (IList<IIdentity>) ec.Properties ["Identities"];
list = ilist as List<IIdentity>;
if (list == null) {
list = new List<IIdentity> (ilist);
ec.Properties ["Identities"] = list;
}
}
list.Add (CreateIdentity ());
ec.RecordExpirationTime (DateTime.MaxValue.AddDays (-1));
}
// FIXME: is it correct that this should always return true?
return true;
}
public abstract DateTime ExpirationTime { get; }
public abstract ClaimSet CreateClaims ();
public abstract IIdentity CreateIdentity ();
}
class AuthorizedCustomUserPolicy : SystemIdentityAuthorizationPolicy
{
string user;
public AuthorizedCustomUserPolicy (string user)
: base (new UniqueId ().ToString ())
{
this.user = user;
}
public override DateTime ExpirationTime {
get { return DateTime.MaxValue; }
}
public override ClaimSet CreateClaims ()
{
return new DefaultClaimSet (Claim.CreateNameClaim (user));
}
public override IIdentity CreateIdentity ()
{
return new GenericIdentity (user);
}
}
}
}
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