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 MONODROID
  29 using System;
  30 using System.Collections.Generic;
  31 using System.Net;
  32 using System.Net.Security;
  33 using System.Security.Cryptography.X509Certificates;
  34 #if SECURITY_DEP
  35 using MSX = Mono.Security.X509;
  36 #endif
  37
  38 namespace System {
  39
  40         internal static class AndroidPlatform {
  41
  42 #if SECURITY_DEP
  43                 static readonly Converter<List <byte[]>, bool> trustEvaluateSsl;
  44 #endif  // SECURITY_DEP
  45                 static readonly Func<IWebProxy> getDefaultProxy;
  46
  47
  48                 static AndroidPlatform ()
  49                 {
  50                         var t = Type.GetType ("Android.Runtime.AndroidEnvironment, Mono.Android", throwOnError:true);
  51 #if SECURITY_DEP
  52                         trustEvaluateSsl = (Converter<List<byte[]>, bool>)
  53                                 Delegate.CreateDelegate (typeof (Converter<List<byte[]>, bool>),
  54                                                         t,
  55                                                         "TrustEvaluateSsl",
  56                                                         ignoreCase:false,
  57                                                         throwOnBindFailure:true);
  58 #endif  // SECURITY_DEP
  59                         getDefaultProxy = (Func<IWebProxy>)Delegate.CreateDelegate (
  60                                 typeof (Func<IWebProxy>), t, "GetDefaultProxy",
  61                                 ignoreCase:false,
  62                                 throwOnBindFailure:true);
  63                 }
  64
  65 #if SECURITY_DEP
  66                 internal static bool TrustEvaluateSsl (MSX.X509CertificateCollection collection, object sender, X509Certificate2 certificate, X509Chain chain, SslPolicyErrors errors)
  67                 {
  68                         var certsRawData = new List <byte[]> (collection.Count);
  69                         foreach (MSX.X509Certificate cert in collection)
  70                                 certsRawData.Add (cert.RawData);
  71                         return trustEvaluateSsl (certsRawData);
  72                 }
  73 #endif  // SECURITY_DEP
  74
  75                 internal static IWebProxy GetDefaultProxy ()
  76                 {
  77                         return getDefaultProxy ();
  78                 }
  79         }
  80 }
  81 #endif  // MONODROID