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

   1 //\r
   2 // System.Security.Policy.PermissionRequestEvidence.cs\r
   3 //\r
   4 // Authors:\r
   5 //      Nick Drochak (ndrochak@gol.com)\r
   6 //      Sebastien Pouliot  <sebastien@ximian.com>
   7 //\r
   8 // (C) 2003 Nick Drochak\r
   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 \r
  33 namespace System.Security.Policy {
  34 \r
  35         [Serializable]\r
  36         [ComVisible (true)]
  37         public sealed class PermissionRequestEvidence : IBuiltInEvidence {
  38 \r
  39                 private PermissionSet requested, optional, denied;\r
  40 \r
  41                 public PermissionRequestEvidence (PermissionSet request, PermissionSet optional, PermissionSet denied)
  42                 {
  43                         if (request != null)\r
  44                                 this.requested = new PermissionSet (request);
  45                         if (optional != null)\r
  46                                 this.optional = new PermissionSet (optional);
  47                         if (denied != null)\r
  48                                 this.denied = new PermissionSet (denied);\r
  49                 }\r
  50 \r
  51                 public PermissionSet DeniedPermissions {\r
  52                         get { return denied; }\r
  53                 }\r
  54 \r
  55                 public PermissionSet OptionalPermissions {\r
  56                         get { return optional; }\r
  57                 }\r
  58 \r
  59                 public PermissionSet RequestedPermissions {\r
  60                         get { return requested; }\r
  61                 }\r
  62 \r
  63                 public PermissionRequestEvidence Copy ()\r
  64                 {\r
  65                         return new PermissionRequestEvidence (requested, optional, denied);\r
  66                 }\r
  67 \r
  68                 public override string ToString () \r
  69                 {\r
  70                         SecurityElement se = new SecurityElement ("System.Security.Policy.PermissionRequestEvidence");\r
  71                         se.AddAttribute ("version", "1");\r
  72 \r
  73                         if (requested != null) {\r
  74                                 SecurityElement requestElement = new SecurityElement ("Request");\r
  75                                 requestElement.AddChild (requested.ToXml ());\r
  76                                 se.AddChild (requestElement);\r
  77                         }\r
  78                         if (optional != null) {\r
  79                                 SecurityElement optionalElement = new SecurityElement ("Optional");\r
  80                                 optionalElement.AddChild (optional.ToXml ());\r
  81                                 se.AddChild (optionalElement);\r
  82                         }\r
  83                         if (denied != null) {\r
  84                                 SecurityElement deniedElement = new SecurityElement ("Denied");\r
  85                                 deniedElement.AddChild (denied.ToXml ());\r
  86                                 se.AddChild (deniedElement);\r
  87                         }\r
  88                         return se.ToString ();\r
  89                 }\r
  90 \r
  91                 // interface IBuiltInEvidence\r
  92 \r
  93                 int IBuiltInEvidence.GetRequiredSize (bool verbose) \r
  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                         }\r
 100                         if (optional != null) {
 101                                 int o = optional.ToXml ().ToString ().Length + (verbose ? 5 : 0);
 102                                 size += o;
 103                         }\r
 104                         if (denied != null) {
 105                                 int d = denied.ToXml ().ToString ().Length + (verbose ? 5 : 0);
 106                                 size += d;
 107                         }\r
 108                         return size;\r
 109                 }\r
 110 \r
 111                 [MonoTODO ("IBuiltInEvidence")]\r
 112                 int IBuiltInEvidence.InitFromBuffer (char [] buffer, int position) \r
 113                 {\r
 114                         return 0;\r
 115                 }\r
 116 \r
 117                 [MonoTODO ("IBuiltInEvidence")]\r
 118                 int IBuiltInEvidence.OutputToBuffer (char [] buffer, int position, bool verbose) \r
 119                 {\r
 120                         return 0;\r
 121                 }\r
 122         }\r
 123 }