mcs/class/System/System/AndroidPlatform.cs

   1 //
   2 // System.AndroidPlatform.cs
   3 //
   4 // Author:
   5 //   Jonathan Pryor (jonp@xamarin.com)
   6 //
   7 // Copyright (C) 2012 Xamarin Inc (http://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 MONODROID
  30 using System;
  31 using System.Net.Security;
  32 using System.Security.Cryptography.X509Certificates;
  33
  34 using MSX = Mono.Security.X509;
  35
  36 namespace System {
  37
  38         internal static class AndroidPlatform {
  39
  40 #if SECURITY_DEP
  41                 static readonly Converter<MSX.X509CertificateCollection, bool> trustEvaluateSsl;
  42                 static readonly Func<MSX.X509CertificateCollection, object, X509Certificate2, X509Chain, SslPolicyErrors, bool> trustEvaluateSsl2;
  43 #endif  // SECURITY_DEP
  44
  45
  46                 static AndroidPlatform ()
  47                 {
  48 #if SECURITY_DEP
  49                         var t = Type.GetType ("Android.Runtime.AndroidEnvironment, Mono.Android", throwOnError:true);
  50                         trustEvaluateSsl2 = (Func<MSX.X509CertificateCollection, object, X509Certificate2, X509Chain, SslPolicyErrors, bool>)
  51                                 Delegate.CreateDelegate (
  52                                                 typeof (Func<MSX.X509CertificateCollection, object, X509Certificate2, X509Chain, SslPolicyErrors, bool>),
  53                                                 t,
  54                                                 "TrustEvaluateSsl2",
  55                                                 ignoreCase:false,
  56                                                 throwOnBindFailure:false);
  57                         if (trustEvaluateSsl2 == null)
  58                                 trustEvaluateSsl = (Converter<MSX.X509CertificateCollection, bool>)
  59                                         Delegate.CreateDelegate (typeof (Converter<MSX.X509CertificateCollection, bool>),
  60                                                         t,
  61                                                         "TrustEvaluateSsl",
  62                                                         ignoreCase:false,
  63                                                         throwOnBindFailure:true);
  64 #endif  // SECURITY_DEP
  65                 }
  66
  67 #if SECURITY_DEP
  68                 internal static bool TrustEvaluateSsl (MSX.X509CertificateCollection collection, object sender, X509Certificate2 certificate, X509Chain chain, SslPolicyErrors errors)
  69                 {
  70                         if (trustEvaluateSsl2 != null)
  71                                 return trustEvaluateSsl2 (collection, sender, certificate, chain, errors);
  72                         return trustEvaluateSsl (collection);
  73                 }
  74 #endif  // SECURITY_DEP
  75         }
  76 }
  77 #endif  // MONODROID