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 #if SECURITY_DEP
  29 extern alias MonoSecurity;
  30 #endif
  31
  32 #if MONODROID
  33 using System;
  34 using System.Net;
  35 using System.Net.Security;
  36 using System.Security.Cryptography.X509Certificates;
  37 #if SECURITY_DEP
  38 using MSX = MonoSecurity::Mono.Security.X509;
  39 #endif
  40
  41 namespace System {
  42
  43         internal static class AndroidPlatform {
  44
  45 #if SECURITY_DEP
  46                 static readonly Converter<MSX.X509CertificateCollection, bool> trustEvaluateSsl;
  47                 static readonly Func<MSX.X509CertificateCollection, object, X509Certificate2, X509Chain, SslPolicyErrors, bool> trustEvaluateSsl2;
  48 #endif  // SECURITY_DEP
  49                 static readonly Func<IWebProxy> getDefaultProxy;
  50
  51
  52                 static AndroidPlatform ()
  53                 {
  54                         var t = Type.GetType ("Android.Runtime.AndroidEnvironment, Mono.Android", throwOnError:true);
  55 #if SECURITY_DEP
  56                         trustEvaluateSsl2 = (Func<MSX.X509CertificateCollection, object, X509Certificate2, X509Chain, SslPolicyErrors, bool>)
  57                                 Delegate.CreateDelegate (
  58                                                 typeof (Func<MSX.X509CertificateCollection, object, X509Certificate2, X509Chain, SslPolicyErrors, bool>),
  59                                                 t,
  60                                                 "TrustEvaluateSsl2",
  61                                                 ignoreCase:false,
  62                                                 throwOnBindFailure:false);
  63                         if (trustEvaluateSsl2 == null)
  64                                 trustEvaluateSsl = (Converter<MSX.X509CertificateCollection, bool>)
  65                                         Delegate.CreateDelegate (typeof (Converter<MSX.X509CertificateCollection, bool>),
  66                                                         t,
  67                                                         "TrustEvaluateSsl",
  68                                                         ignoreCase:false,
  69                                                         throwOnBindFailure:true);
  70 #endif  // SECURITY_DEP
  71                         getDefaultProxy = (Func<IWebProxy>)Delegate.CreateDelegate (
  72                                 typeof (Func<IWebProxy>), t, "GetDefaultProxy",
  73                                 ignoreCase:false,
  74                                 throwOnBindFailure:true);
  75                 }
  76
  77 #if SECURITY_DEP
  78                 internal static bool TrustEvaluateSsl (MSX.X509CertificateCollection collection, object sender, X509Certificate2 certificate, X509Chain chain, SslPolicyErrors errors)
  79                 {
  80                         if (trustEvaluateSsl2 != null)
  81                                 return trustEvaluateSsl2 (collection, sender, certificate, chain, errors);
  82                         return trustEvaluateSsl (collection);
  83                 }
  84 #endif  // SECURITY_DEP
  85
  86                 internal static IWebProxy GetDefaultProxy ()
  87                 {
  88                         return getDefaultProxy ();
  89                 }
  90         }
  91 }
  92 #endif  // MONODROID