move to from olive to mcs
[mono.git] / mcs / class / System.IdentityModel / System.IdentityModel.Policy / AuthorizationContext.cs
1 //
2 // AuthorizationContext.cs
3 //
4 // Author:
5 //      Atsushi Enomoto <atsushi@ximian.com>
6 //
7 // Copyright (C) 2005 Novell, Inc.  http://www.novell.com
8 //
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:
16 // 
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
19 // 
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.
27 //
28 using System;
29 using System.Collections;
30 using System.Collections.Generic;
31 using System.Collections.ObjectModel;
32 using System.IdentityModel.Claims;
33 using System.Xml;
34
35 namespace System.IdentityModel.Policy
36 {
37         public abstract class AuthorizationContext :
38                 IAuthorizationComponent
39         {
40                 [MonoTODO]
41                 public static AuthorizationContext 
42                         CreateDefaultAuthorizationContext (IList<IAuthorizationPolicy> policies)
43                 {
44                         if (policies == null)
45                                 throw new ArgumentNullException ("policies");
46
47                         string id = new UniqueId ().ToString ();
48                         DefaultEvaluationContext ctx =
49                                 new DefaultEvaluationContext ();
50                         foreach (IAuthorizationPolicy a in policies) {
51                                 object o = null;
52                                 a.Evaluate (ctx, ref o);
53                         }
54
55                         return new DefaultAuthorizationContext (id, ctx);
56                 }
57
58                 protected AuthorizationContext ()
59                 {
60                 }
61
62                 public abstract DateTime ExpirationTime { get; }
63
64                 public abstract string Id { get; }
65
66                 public abstract ReadOnlyCollection<ClaimSet> ClaimSets { get; }
67
68                 public abstract IDictionary<string,object> Properties { get; }
69
70                 // default implementation: this class will be used for 
71                 // CreateDefaultAuthorizationContext().
72                 class DefaultAuthorizationContext : AuthorizationContext
73                 {
74                         DefaultEvaluationContext ctx;
75                         string id;
76
77                         public DefaultAuthorizationContext (
78                                 string id, DefaultEvaluationContext context)
79                         {
80                                 this.id = id;
81                                 this.ctx = context;
82                         }
83
84                         public override DateTime ExpirationTime {
85                                 get { return ctx.ExpirationTime; }
86                         }
87
88                         public override string Id {
89                                 get { return id; }
90                         }
91
92                         public override ReadOnlyCollection<ClaimSet> ClaimSets {
93                                 get { return ctx.ClaimSets; }
94                         }
95
96                         public override IDictionary<string,object> Properties {
97                                 get { return ctx.Properties; }
98                         }
99                 }
100
101         }
102 }