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

   1 //
   2 // Publisher.cs: Publisher Policy using X509 Certificate
   3 //
   4 // Author:
   5 //      Sebastien Pouliot (spouliot@motus.com)
   6 //
   7 // (C) 2002, 2003 Motus Technologies Inc. (http://www.motus.com)
   8 //
   9
  10 using System;
  11 using System.Security;
  12 using System.Security.Cryptography.X509Certificates;
  13 using System.Security.Permissions;
  14 using System.Text;
  15
  16 namespace System.Security.Policy {
  17
  18 [Serializable]
  19 public sealed class Publisher : IIdentityPermissionFactory, IBuiltInEvidence {
  20
  21         private X509Certificate x509;
  22
  23         public Publisher (X509Certificate cert)
  24         {
  25                 if (cert == null)
  26                         throw new ArgumentNullException ("cert");
  27                 x509 = cert;
  28         }
  29
  30         ~Publisher ()
  31         {
  32                 // X509Certificate doesn't have a Dispose
  33                 // (bad design as it deal with unmanaged code in Windows)
  34                 // not really needed but corcompare will be happier
  35         }
  36
  37         public X509Certificate Certificate {
  38                 get {
  39                         // needed to match MS implementation
  40                         if (x509.GetRawCertData () == null)
  41                                 throw new NullReferenceException ("x509");
  42                         return x509;
  43                 }
  44         }
  45
  46         public object Copy ()
  47         {
  48                 return (object) new Publisher (x509);
  49         }
  50
  51         public IPermission CreateIdentityPermission (Evidence evidence)
  52         {
  53                 return new PublisherIdentityPermission (x509);
  54         }
  55
  56         public override bool Equals (object o)
  57         {
  58                 if (!(o is Publisher))
  59                         throw new ArgumentException ("not a Publisher");
  60                 return x509.Equals ((o as Publisher).Certificate);
  61         }
  62
  63         public override int GetHashCode ()
  64         {
  65                 return x509.GetHashCode ();
  66         }
  67
  68         public override string ToString ()
  69         {
  70                 SecurityElement se = new SecurityElement ("System.Security.Policy.Publisher");
  71                 se.AddAttribute ("version", "1");
  72                 SecurityElement cert = new SecurityElement ("X509v3Certificate");
  73                 string data = x509.GetRawCertDataString ();
  74                 if (data != null)
  75                         cert.Text = data;
  76                 se.AddChild (cert);
  77                 return se.ToString ();
  78         }
  79
  80         // interface IBuiltInEvidence
  81
  82         [MonoTODO]
  83         int IBuiltInEvidence.GetRequiredSize (bool verbose)
  84         {
  85                 return 0;
  86         }
  87
  88         [MonoTODO]
  89         int IBuiltInEvidence.InitFromBuffer (char [] buffer, int position)
  90         {
  91                 return 0;
  92         }
  93
  94         [MonoTODO]
  95         int IBuiltInEvidence.OutputToBuffer (char [] buffer, int position, bool verbose)
  96         {
  97                 return 0;
  98         }
  99 }
 100
 101 }