2 // AuthorizationContext.cs
5 // Atsushi Enomoto <atsushi@ximian.com>
7 // Copyright (C) 2005 Novell, Inc. http://www.novell.com
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 using System.Collections;
30 using System.Collections.Generic;
31 using System.Collections.ObjectModel;
32 using System.IdentityModel.Claims;
35 namespace System.IdentityModel.Policy
37 public abstract class AuthorizationContext :
38 IAuthorizationComponent
41 public static AuthorizationContext
42 CreateDefaultAuthorizationContext (IList<IAuthorizationPolicy> policies)
45 throw new ArgumentNullException ("policies");
47 string id = new UniqueId ().ToString ();
48 DefaultEvaluationContext ctx =
49 new DefaultEvaluationContext ();
50 foreach (IAuthorizationPolicy a in policies) {
52 a.Evaluate (ctx, ref o);
55 return new DefaultAuthorizationContext (id, ctx);
58 protected AuthorizationContext ()
62 public abstract DateTime ExpirationTime { get; }
64 public abstract string Id { get; }
66 public abstract ReadOnlyCollection<ClaimSet> ClaimSets { get; }
68 public abstract IDictionary<string,object> Properties { get; }
70 // default implementation: this class will be used for
71 // CreateDefaultAuthorizationContext().
72 class DefaultAuthorizationContext : AuthorizationContext
74 DefaultEvaluationContext ctx;
77 public DefaultAuthorizationContext (
78 string id, DefaultEvaluationContext context)
84 public override DateTime ExpirationTime {
85 get { return ctx.ExpirationTime; }
88 public override string Id {
92 public override ReadOnlyCollection<ClaimSet> ClaimSets {
93 get { return ctx.ClaimSets; }
96 public override IDictionary<string,object> Properties {
97 get { return ctx.Properties; }