mcs/class/System/System.Security.Cryptography.X509Certificates/X509Helper2.cs

   1 //
   2 // X509Helper2.cs
   3 //
   4 // Authors:
   5 //      Martin Baulig  <martin.baulig@xamarin.com>
   6 //
   7 // Copyright (C) 2016 Xamarin, Inc. (http://www.xamarin.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 #if SECURITY_DEP
  30 #if MONO_SECURITY_ALIAS
  31 extern alias MonoSecurity;
  32 #endif
  33 #if MONO_X509_ALIAS
  34 extern alias PrebuiltSystem;
  35 #endif
  36
  37 #if MONO_SECURITY_ALIAS
  38 using MonoSecurity::Mono.Security.Interface;
  39 #else
  40 using Mono.Security.Interface;
  41 #endif
  42
  43 namespace System.Security.Cryptography.X509Certificates
  44 {
  45         internal static class X509Helper2
  46         {
  47                 internal static void Initialize ()
  48                 {
  49                         X509Helper.InstallNativeHelper (new MyNativeHelper ());
  50                 }
  51
  52                 internal static void ThrowIfContextInvalid (X509CertificateImpl impl)
  53                 {
  54                         X509Helper.ThrowIfContextInvalid (impl);
  55                 }
  56
  57                 internal static X509Certificate2Impl Import (byte[] rawData, string password, X509KeyStorageFlags keyStorageFlags)
  58                 {
  59                         var provider = MonoTlsProviderFactory.GetProvider ();
  60                         if (provider.HasNativeCertificates) {
  61                                 var impl = provider.GetNativeCertificate (rawData, password, keyStorageFlags);
  62                                 return (X509Certificate2Impl)(object)impl;
  63                         } else {
  64                                 var impl = new X509Certificate2ImplMono ();
  65                                 impl.Import (rawData, password, keyStorageFlags);
  66                                 return impl;
  67                         }
  68                 }
  69
  70                 internal static X509Certificate2Impl Import (X509Certificate cert)
  71                 {
  72                         var provider = MonoTlsProviderFactory.GetProvider ();
  73                         if (provider.HasNativeCertificates) {
  74                                 var impl = provider.GetNativeCertificate (cert);
  75                                 return (X509Certificate2Impl)(object)impl;
  76                         }
  77                         var impl2 = cert.Impl as X509Certificate2Impl;
  78                         if (impl2 != null)
  79                                 return (X509Certificate2Impl)impl2.Clone ();
  80                         return Import (cert.GetRawCertData (), null, X509KeyStorageFlags.DefaultKeySet);
  81                 }
  82
  83                 internal static X509ChainImpl CreateChainImpl (bool useMachineContext)
  84                 {
  85                         return new X509ChainImplMono (useMachineContext);
  86                 }
  87
  88                 public static bool IsValid (X509ChainImpl impl)
  89                 {
  90                         return impl != null && impl.IsValid;
  91                 }
  92
  93                 internal static void ThrowIfContextInvalid (X509ChainImpl impl)
  94                 {
  95                         if (!IsValid (impl))
  96                                 throw GetInvalidChainContextException ();
  97                 }
  98
  99                 internal static Exception GetInvalidChainContextException ()
 100                 {
 101                         return new CryptographicException (Locale.GetText ("Chain instance is empty."));
 102                 }
 103
 104                 class MyNativeHelper : INativeCertificateHelper
 105                 {
 106                         public X509CertificateImpl Import (
 107                                 byte[] data, string password, X509KeyStorageFlags flags)
 108                         {
 109                                 return X509Helper2.Import (data, password, flags);
 110                         }
 111
 112                         public X509CertificateImpl Import (X509Certificate cert)
 113                         {
 114                                 return X509Helper2.Import (cert);
 115                         }
 116                 }
 117         }
 118 }
 119 #endif