mcs/class/corlib/System.Security.Policy/ApplicationMembershipCondition.cs

   1 //
   2 // System.Security.Policy.ApplicationMembershipCondition\r
   3 //\r
   4 // Author:\r
   5 //      Sebastien Pouliot  <sebastien@ximian.com>
   6 //\r
   7 // Copyright (C) 2004 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
  29 using System.Collections;
  30 \r
  31 namespace System.Security.Policy {\r
  32 \r
  33         [Serializable]\r
  34         public sealed class ApplicationMembershipCondition : IConstantMembershipCondition, IMembershipCondition {\r
  35
  36                 private readonly int version = 1;
  37
  38                 private bool _lookAtDir;
  39
  40                 public ApplicationMembershipCondition ()
  41                 {
  42                         _lookAtDir = true;
  43                 }
  44
  45                 [MonoTODO ("fx 2.0 beta 1 has some related parts obsoleted - waiting...")]\r
  46                 public bool Check (Evidence evidence)\r
  47                 {\r
  48                         if (evidence == null)\r
  49                                 return false;\r
  50                         \r
  51                         IEnumerator e = evidence.GetHostEnumerator ();
  52                         while (e.MoveNext ()) {
  53                                 // TODO: from samples it seems related to IApplicationDescription and HostContext
  54                                 // but some are obsoleted - so this should be moving to ApplicationIdentity ?
  55                         }
  56                         return false;
  57                 }\r
  58 \r
  59                 public IMembershipCondition Copy () \r
  60                 { \r
  61                         // _lookAtDir value isn't copied (see unit tests)\r
  62                         return new ApplicationMembershipCondition ();\r
  63                 }\r
  64                 \r
  65                 public override bool Equals (object o) \r
  66                 {
  67                         // _lookAtDir isn't part of Equals computation (see unit tests)\r
  68                         return (o is ApplicationMembershipCondition); \r
  69                 }\r
  70                 \r
  71                 public void FromXml (SecurityElement e)\r
  72                 {\r
  73                         FromXml (e, null);\r
  74                 }\r
  75                 \r
  76                 public void FromXml (SecurityElement e, PolicyLevel level)\r
  77                 {\r
  78                         MembershipConditionHelper.CheckSecurityElement (e, "e", version, version);
  79                         if (!Boolean.TryParse (e.Attribute ("LookAtDir"), out _lookAtDir))
  80                                 _lookAtDir = false;
  81                         // PolicyLevel isn't used as there's no need to resolve NamedPermissionSet references
  82                 }\r
  83                 \r
  84                 public override int GetHashCode () \r
  85                 {\r
  86                         return -1;\r
  87                 }\r
  88                 \r
  89                 public override string ToString () \r
  90                 {
  91                         ActivationContext ac = AppDomain.CurrentDomain.ActivationContext;
  92                         if (ac == null)
  93                                 return "Application";
  94                         else
  95                                 return "Application - " + ac.Identity.FullName;\r
  96                 }\r
  97                 \r
  98                 public SecurityElement ToXml () \r
  99                 {\r
 100                         return ToXml (null);\r
 101                 }\r
 102                 \r
 103                 public SecurityElement ToXml (PolicyLevel level) \r
 104                 {\r
 105                         // PolicyLevel isn't used as there's no need to resolve NamedPermissionSet references
 106                         SecurityElement se = MembershipConditionHelper.Element (typeof (ApplicationMembershipCondition), version);
 107                         if (_lookAtDir)
 108                                 se.AddAttribute ("LookAtDir", "true");
 109                         return se;
 110                 }\r
 111         }\r
 112 }\r
 113