class/corlib/System.Security.Policy/PermissionRequestEvidence.cs

   1 //
   2 // System.Security.Policy.PermissionRequestEvidence.cs
   3 //
   4 // Authors:
   5 //      Nick Drochak (ndrochak@gol.com)
   6 //      Sebastien Pouliot  <sebastien@ximian.com>
   7 //
   8 // (C) 2003 Nick Drochak
   9 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using System.Runtime.InteropServices;
  32
  33 namespace System.Security.Policy {
  34
  35         [Serializable]
  36         [ComVisible (true)]
  37         public sealed class PermissionRequestEvidence : IBuiltInEvidence {
  38
  39                 private PermissionSet requested, optional, denied;
  40
  41                 public PermissionRequestEvidence (PermissionSet request, PermissionSet optional, PermissionSet denied)
  42                 {
  43                         if (request != null)
  44                                 this.requested = new PermissionSet (request);
  45                         if (optional != null)
  46                                 this.optional = new PermissionSet (optional);
  47                         if (denied != null)
  48                                 this.denied = new PermissionSet (denied);
  49                 }
  50
  51                 public PermissionSet DeniedPermissions {
  52                         get { return denied; }
  53                 }
  54
  55                 public PermissionSet OptionalPermissions {
  56                         get { return optional; }
  57                 }
  58
  59                 public PermissionSet RequestedPermissions {
  60                         get { return requested; }
  61                 }
  62
  63                 public PermissionRequestEvidence Copy ()
  64                 {
  65                         return new PermissionRequestEvidence (requested, optional, denied);
  66                 }
  67
  68                 public override string ToString ()
  69                 {
  70                         SecurityElement se = new SecurityElement ("System.Security.Policy.PermissionRequestEvidence");
  71                         se.AddAttribute ("version", "1");
  72
  73                         if (requested != null) {
  74                                 SecurityElement requestElement = new SecurityElement ("Request");
  75                                 requestElement.AddChild (requested.ToXml ());
  76                                 se.AddChild (requestElement);
  77                         }
  78                         if (optional != null) {
  79                                 SecurityElement optionalElement = new SecurityElement ("Optional");
  80                                 optionalElement.AddChild (optional.ToXml ());
  81                                 se.AddChild (optionalElement);
  82                         }
  83                         if (denied != null) {
  84                                 SecurityElement deniedElement = new SecurityElement ("Denied");
  85                                 deniedElement.AddChild (denied.ToXml ());
  86                                 se.AddChild (deniedElement);
  87                         }
  88                         return se.ToString ();
  89                 }
  90
  91                 // interface IBuiltInEvidence
  92
  93                 int IBuiltInEvidence.GetRequiredSize (bool verbose)
  94                 {
  95                         int size = verbose ? 3 : 1;
  96                         if (requested != null) {
  97                                 int r = requested.ToXml ().ToString ().Length + (verbose ? 5 : 0);
  98                                 size += r;
  99                         }
 100                         if (optional != null) {
 101                                 int o = optional.ToXml ().ToString ().Length + (verbose ? 5 : 0);
 102                                 size += o;
 103                         }
 104                         if (denied != null) {
 105                                 int d = denied.ToXml ().ToString ().Length + (verbose ? 5 : 0);
 106                                 size += d;
 107                         }
 108                         return size;
 109                 }
 110
 111                 [MonoTODO ("IBuiltInEvidence")]
 112                 int IBuiltInEvidence.InitFromBuffer (char [] buffer, int position)
 113                 {
 114                         return 0;
 115                 }
 116
 117                 [MonoTODO ("IBuiltInEvidence")]
 118                 int IBuiltInEvidence.OutputToBuffer (char [] buffer, int position, bool verbose)
 119                 {
 120                         return 0;
 121                 }
 122         }
 123 }