class/corlib/System.Security.Permissions/UrlIdentityPermissionAttribute.cs

   1 //
   2 // System.Security.Permissions.UrlIdentityPermissionAttribute.cs
   3 //
   4 // Authors:
   5 //      Duncan Mak <duncan@ximian.com>
   6 //      Sebastien Pouliot  <sebastien@ximian.com>
   7 //
   8 // (C) 2002 Ximian, Inc. http://www.ximian.com
   9 // Portions (C) 2003 Motus Technologies Inc. (http://www.motus.com)
  10 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
  11 //
  12 // Permission is hereby granted, free of charge, to any person obtaining
  13 // a copy of this software and associated documentation files (the
  14 // "Software"), to deal in the Software without restriction, including
  15 // without limitation the rights to use, copy, modify, merge, publish,
  16 // distribute, sublicense, and/or sell copies of the Software, and to
  17 // permit persons to whom the Software is furnished to do so, subject to
  18 // the following conditions:
  19 //
  20 // The above copyright notice and this permission notice shall be
  21 // included in all copies or substantial portions of the Software.
  22 //
  23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 //
  31
  32 using System.Runtime.InteropServices;
  33
  34 namespace System.Security.Permissions {
  35
  36         [ComVisible (true)]
  37         [AttributeUsage (AttributeTargets.Assembly | AttributeTargets.Class |
  38                          AttributeTargets.Struct | AttributeTargets.Constructor |
  39                          AttributeTargets.Method, AllowMultiple=true, Inherited=false)]
  40         [Serializable]
  41         public sealed class UrlIdentityPermissionAttribute : CodeAccessSecurityAttribute {
  42
  43                 // Fields
  44                 private string url;
  45
  46                 // Constructor
  47                 public UrlIdentityPermissionAttribute (SecurityAction action)
  48                         : base (action)
  49                 {
  50                 }
  51
  52                 // Properties
  53                 public string Url {
  54                         get { return url; }
  55                         set { url = value; }
  56                 }
  57
  58                 // Methods
  59                 public override IPermission CreatePermission ()
  60                 {
  61                         if (this.Unrestricted)
  62                                 return new UrlIdentityPermission (PermissionState.Unrestricted);
  63                         // Note: It is possible to create a permission with a
  64                         // null URL but not to create a UrlIdentityPermission (null)
  65                         else if (url == null)
  66                                 return new UrlIdentityPermission (PermissionState.None);
  67                         else
  68                                 return new UrlIdentityPermission (url);
  69                 }
  70         }
  71 }