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

   1 //
   2 // Publisher.cs: Publisher Policy using X509 Certificate
   3 //
   4 // Author:
   5 //      Sebastien Pouliot  <sebastien@ximian.com>
   6 //
   7 // (C) 2002, 2003 Motus Technologies Inc. (http://www.motus.com)
   8 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 using System.Security.Cryptography.X509Certificates;
  31 using System.Security.Permissions;
  32 using System.Runtime.InteropServices;
  33
  34 namespace System.Security.Policy {
  35
  36         [Serializable]
  37         [ComVisible (true)]
  38         public sealed class Publisher : IIdentityPermissionFactory, IBuiltInEvidence {
  39
  40                 private X509Certificate m_cert;
  41
  42                 public Publisher (X509Certificate cert)
  43                 {
  44                         if (cert == null)
  45                                 throw new ArgumentNullException ("cert");
  46                         if (cert.GetHashCode () == 0)
  47                                 throw new ArgumentException ("cert");
  48                         m_cert = cert;
  49                 }
  50
  51                 public X509Certificate Certificate {
  52                         get {
  53                                 if (m_cert.GetHashCode () == 0) {
  54                                         throw new ArgumentException ("m_cert");
  55                                 }
  56                                 return m_cert;
  57                         }
  58                 }
  59
  60                 public object Copy ()
  61                 {
  62                         return new Publisher (m_cert);
  63                 }
  64
  65                 public IPermission CreateIdentityPermission (Evidence evidence)
  66                 {
  67                         return new PublisherIdentityPermission (m_cert);
  68                 }
  69
  70                 public override bool Equals (object o)
  71                 {
  72                         Publisher p = (o as Publisher);
  73                         if (p == null)
  74                                 throw new ArgumentException ("o", Locale.GetText ("not a Publisher instance."));
  75                         return m_cert.Equals (p.Certificate);
  76                 }
  77
  78                 public override int GetHashCode ()
  79                 {
  80                         return m_cert.GetHashCode ();
  81                 }
  82
  83                 public override string ToString ()
  84                 {
  85                         SecurityElement se = new SecurityElement ("System.Security.Policy.Publisher");
  86                         se.AddAttribute ("version", "1");
  87                         SecurityElement cert = new SecurityElement ("X509v3Certificate");
  88                         string data = m_cert.GetRawCertDataString ();
  89                         if (data != null)
  90                                 cert.Text = data;
  91                         se.AddChild (cert);
  92                         return se.ToString ();
  93                 }
  94
  95                 // interface IBuiltInEvidence
  96
  97                 int IBuiltInEvidence.GetRequiredSize (bool verbose)
  98                 {
  99                         return (verbose ? 3 : 1) + m_cert.GetRawCertData ().Length;
 100                 }
 101
 102                 [MonoTODO ("IBuiltInEvidence")]
 103                 int IBuiltInEvidence.InitFromBuffer (char [] buffer, int position)
 104                 {
 105                         return 0;
 106                 }
 107
 108                 [MonoTODO ("IBuiltInEvidence")]
 109                 int IBuiltInEvidence.OutputToBuffer (char [] buffer, int position, bool verbose)
 110                 {
 111                         return 0;
 112                 }
 113         }
 114 }