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