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 :\r
  38 #if NET_4_0\r
  39                 EvidenceBase,\r
  40 #endif\r
  41                 IBuiltInEvidence {
  42 \r
  43                 private PermissionSet requested, optional, denied;\r
  44 \r
  45                 public PermissionRequestEvidence (PermissionSet request, PermissionSet optional, PermissionSet denied)
  46                 {
  47                         if (request != null)\r
  48                                 this.requested = new PermissionSet (request);
  49                         if (optional != null)\r
  50                                 this.optional = new PermissionSet (optional);
  51                         if (denied != null)\r
  52                                 this.denied = new PermissionSet (denied);\r
  53                 }\r
  54 \r
  55                 public PermissionSet DeniedPermissions {\r
  56                         get { return denied; }\r
  57                 }\r
  58 \r
  59                 public PermissionSet OptionalPermissions {\r
  60                         get { return optional; }\r
  61                 }\r
  62 \r
  63                 public PermissionSet RequestedPermissions {\r
  64                         get { return requested; }\r
  65                 }\r
  66 \r
  67                 public PermissionRequestEvidence Copy ()\r
  68                 {\r
  69                         return new PermissionRequestEvidence (requested, optional, denied);\r
  70                 }\r
  71 \r
  72                 public override string ToString () \r
  73                 {\r
  74                         SecurityElement se = new SecurityElement ("System.Security.Policy.PermissionRequestEvidence");\r
  75                         se.AddAttribute ("version", "1");\r
  76 \r
  77                         if (requested != null) {\r
  78                                 SecurityElement requestElement = new SecurityElement ("Request");\r
  79                                 requestElement.AddChild (requested.ToXml ());\r
  80                                 se.AddChild (requestElement);\r
  81                         }\r
  82                         if (optional != null) {\r
  83                                 SecurityElement optionalElement = new SecurityElement ("Optional");\r
  84                                 optionalElement.AddChild (optional.ToXml ());\r
  85                                 se.AddChild (optionalElement);\r
  86                         }\r
  87                         if (denied != null) {\r
  88                                 SecurityElement deniedElement = new SecurityElement ("Denied");\r
  89                                 deniedElement.AddChild (denied.ToXml ());\r
  90                                 se.AddChild (deniedElement);\r
  91                         }\r
  92                         return se.ToString ();\r
  93                 }\r
  94 \r
  95                 // interface IBuiltInEvidence\r
  96 \r
  97                 int IBuiltInEvidence.GetRequiredSize (bool verbose) \r
  98                 {
  99                         int size = verbose ? 3 : 1;
 100                         if (requested != null) {
 101                                 int r = requested.ToXml ().ToString ().Length + (verbose ? 5 : 0);
 102                                 size += r;
 103                         }\r
 104                         if (optional != null) {
 105                                 int o = optional.ToXml ().ToString ().Length + (verbose ? 5 : 0);
 106                                 size += o;
 107                         }\r
 108                         if (denied != null) {
 109                                 int d = denied.ToXml ().ToString ().Length + (verbose ? 5 : 0);
 110                                 size += d;
 111                         }\r
 112                         return size;\r
 113                 }\r
 114 \r
 115                 [MonoTODO ("IBuiltInEvidence")]\r
 116                 int IBuiltInEvidence.InitFromBuffer (char [] buffer, int position) \r
 117                 {\r
 118                         return 0;\r
 119                 }\r
 120 \r
 121                 [MonoTODO ("IBuiltInEvidence")]\r
 122                 int IBuiltInEvidence.OutputToBuffer (char [] buffer, int position, bool verbose) \r
 123                 {\r
 124                         return 0;\r
 125                 }\r
 126         }\r
 127 }