mcs/class/corlib/System.Security.Cryptography.X509Certificates/X509Certificate20.cs

   1 //
   2 // X509Certificate20.cs: Partial class to handle new 2.0-only stuff
   3 //
   4 // Author:
   5 //      Sebastien Pouliot  <sebastien@ximian.com>
   6 //
   7 // (C) 2002, 2003 Motus Technologies Inc. (http://www.motus.com)
   8 // Copyright (C) 2004-2006,2008 Novell, Inc (http://www.novell.com)
   9 // Copyright 2013 Xamarin Inc.
  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.IO;
  32 using System.Runtime.InteropServices;
  33 using System.Security.Permissions;
  34 using System.Text;
  35
  36 using Mono.Security;
  37 using Mono.Security.X509;
  38
  39 using System.Runtime.Serialization;
  40
  41 namespace System.Security.Cryptography.X509Certificates {
  42
  43         [ComVisible (true)]
  44         [MonoTODO ("X509ContentType.SerializedCert isn't supported (anywhere in the class)")]
  45         public partial class X509Certificate : IDeserializationCallback, ISerializable, IDisposable {
  46                 private string issuer_name;
  47                 private string subject_name;
  48
  49
  50                 public X509Certificate ()
  51                 {
  52                         // this allows an empty certificate to exists
  53                 }
  54
  55                 public X509Certificate (byte[] rawData, string password)
  56                 {
  57                         Import (rawData, password, X509KeyStorageFlags.DefaultKeySet);
  58                 }
  59
  60                 [MonoTODO ("SecureString support is incomplete")]
  61                 public X509Certificate (byte[] rawData, SecureString password)
  62                 {
  63                         Import (rawData, password, X509KeyStorageFlags.DefaultKeySet);
  64                 }
  65
  66                 public X509Certificate (byte[] rawData, string password, X509KeyStorageFlags keyStorageFlags)
  67                 {
  68                         Import (rawData, password, keyStorageFlags);
  69                 }
  70
  71                 [MonoTODO ("SecureString support is incomplete")]
  72                 public X509Certificate (byte[] rawData, SecureString password, X509KeyStorageFlags keyStorageFlags)
  73                 {
  74                         Import (rawData, password, keyStorageFlags);
  75                 }
  76
  77                 public X509Certificate (string fileName)
  78                 {
  79                         Import (fileName, (string)null, X509KeyStorageFlags.DefaultKeySet);
  80                 }
  81
  82                 public X509Certificate (string fileName, string password)
  83                 {
  84                         Import (fileName, password, X509KeyStorageFlags.DefaultKeySet);
  85                 }
  86
  87                 [MonoTODO ("SecureString support is incomplete")]
  88                 public X509Certificate (string fileName, SecureString password)
  89                 {
  90                         Import (fileName, password, X509KeyStorageFlags.DefaultKeySet);
  91                 }
  92
  93                 public X509Certificate (string fileName, string password, X509KeyStorageFlags keyStorageFlags)
  94                 {
  95                         Import (fileName, password, keyStorageFlags);
  96                 }
  97
  98                 [MonoTODO ("SecureString support is incomplete")]
  99                 public X509Certificate (string fileName, SecureString password, X509KeyStorageFlags keyStorageFlags)
 100                 {
 101                         Import (fileName, password, keyStorageFlags);
 102                 }
 103
 104                 public X509Certificate (SerializationInfo info, StreamingContext context)
 105                 {
 106                         byte[] raw = (byte[]) info.GetValue ("RawData", typeof (byte[]));
 107                         Import (raw, (string)null, X509KeyStorageFlags.DefaultKeySet);
 108                 }
 109
 110
 111                 public string Issuer {
 112                         get {
 113                                 X509Helper.ThrowIfContextInvalid (impl);
 114
 115                                 if (issuer_name == null)
 116                                         issuer_name = impl.GetIssuerName (false);
 117                                 return issuer_name;
 118                         }
 119                 }
 120
 121                 public string Subject {
 122                         get {
 123                                 X509Helper.ThrowIfContextInvalid (impl);
 124
 125                                 if (subject_name == null)
 126                                         subject_name = impl.GetSubjectName (false);
 127                                 return subject_name;
 128                         }
 129                 }
 130
 131                 [ComVisible (false)]
 132                 public IntPtr Handle {
 133                         get {
 134                                 if (X509Helper.IsValid (impl))
 135                                         return impl.Handle;
 136                                 return IntPtr.Zero;
 137                         }
 138                 }
 139
 140
 141                 [ComVisible (false)]
 142                 public override bool Equals (object obj)
 143                 {
 144                         X509Certificate x = (obj as X509Certificate);
 145                         if (x != null)
 146                                 return this.Equals (x);
 147                         return false;
 148                 }
 149
 150                 [MonoTODO ("X509ContentType.Pfx/Pkcs12 and SerializedCert are not supported")]
 151                 [ComVisible (false)]
 152                 public virtual byte[] Export (X509ContentType contentType)
 153                 {
 154                         return Export (contentType, (byte[])null);
 155                 }
 156
 157                 [MonoTODO ("X509ContentType.Pfx/Pkcs12 and SerializedCert are not supported")]
 158                 [ComVisible (false)]
 159                 public virtual byte[] Export (X509ContentType contentType, string password)
 160                 {
 161                         byte[] pwd = (password == null) ? null : Encoding.UTF8.GetBytes (password);
 162                         return Export (contentType, pwd);
 163                 }
 164
 165                 [MonoTODO ("X509ContentType.Pfx/Pkcs12 and SerializedCert are not supported. SecureString support is incomplete.")]
 166                 public virtual byte[] Export (X509ContentType contentType, SecureString password)
 167                 {
 168                         byte[] pwd = (password == null) ? null : password.GetBuffer ();
 169                         return Export (contentType, pwd);
 170                 }
 171
 172                 internal byte[] Export (X509ContentType contentType, byte[] password)
 173                 {
 174                         try {
 175                                 X509Helper.ThrowIfContextInvalid (impl);
 176                                 return impl.Export (contentType, password);
 177                         } finally {
 178                                 // protect password
 179                                 if (password != null)
 180                                         Array.Clear (password, 0, password.Length);
 181                         }
 182                 }
 183
 184                 [ComVisible (false)]
 185                 public virtual void Import (byte[] rawData)
 186                 {
 187                         Import (rawData, (string)null, X509KeyStorageFlags.DefaultKeySet);
 188                 }
 189
 190                 [MonoTODO ("missing KeyStorageFlags support")]
 191                 [ComVisible (false)]
 192                 public virtual void Import (byte[] rawData, string password, X509KeyStorageFlags keyStorageFlags)
 193                 {
 194                         Reset ();
 195                         impl = X509Helper.Import (rawData, password, keyStorageFlags);
 196                 }
 197
 198                 [MonoTODO ("SecureString support is incomplete")]
 199                 public virtual void Import (byte[] rawData, SecureString password, X509KeyStorageFlags keyStorageFlags)
 200                 {
 201                         Import (rawData, (string)null, keyStorageFlags);
 202                 }
 203
 204                 [ComVisible (false)]
 205                 public virtual void Import (string fileName)
 206                 {
 207                         byte[] rawData = File.ReadAllBytes (fileName);
 208                         Import (rawData, (string)null, X509KeyStorageFlags.DefaultKeySet);
 209                 }
 210
 211                 [MonoTODO ("missing KeyStorageFlags support")]
 212                 [ComVisible (false)]
 213                 public virtual void Import (string fileName, string password, X509KeyStorageFlags keyStorageFlags)
 214                 {
 215                         byte[] rawData = File.ReadAllBytes (fileName);
 216                         Import (rawData, password, keyStorageFlags);
 217                 }
 218
 219                 [MonoTODO ("SecureString support is incomplete, missing KeyStorageFlags support")]
 220                 public virtual void Import (string fileName, SecureString password, X509KeyStorageFlags keyStorageFlags)
 221                 {
 222                         byte[] rawData = File.ReadAllBytes (fileName);
 223                         Import (rawData, (string)null, keyStorageFlags);
 224                 }
 225
 226                 void IDeserializationCallback.OnDeserialization (object sender)
 227                 {
 228                 }
 229
 230                 void ISerializable.GetObjectData (SerializationInfo info, StreamingContext context)
 231                 {
 232                         if (!X509Helper.IsValid (impl))
 233                                 throw new NullReferenceException ();
 234                         // will throw a NRE if info is null (just like MS implementation)
 235                         info.AddValue ("RawData", impl.GetRawCertData ());
 236                 }
 237
 238                 public void Dispose ()
 239                 {
 240                         Dispose (true);
 241                 }
 242
 243                 protected virtual void Dispose (bool disposing)
 244                 {
 245                         if (disposing)
 246                                 Reset ();
 247                 }
 248
 249                 [ComVisible (false)]
 250                 public virtual void Reset ()
 251                 {
 252                         if (impl != null) {
 253                                 impl.Dispose ();
 254                                 impl = null;
 255                         }
 256
 257                         issuer_name = null;
 258                         subject_name = null;
 259                         hideDates = false;
 260                 }
 261         }
 262 }