128 lines
4.0 KiB
C#
128 lines
4.0 KiB
C#
//
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// X509Helper2.cs
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//
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// Authors:
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// Martin Baulig <martin.baulig@xamarin.com>
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//
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// Copyright (C) 2016 Xamarin, Inc. (http://www.xamarin.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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#if MONO_SECURITY_ALIAS
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extern alias MonoSecurity;
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#endif
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#if MONO_SECURITY_ALIAS
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using MX = MonoSecurity::Mono.Security.X509;
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#else
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using MX = Mono.Security.X509;
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#endif
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#if MONO_FEATURE_BTLS
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using Mono.Btls;
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#endif
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using System.IO;
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using System.Text;
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using Mono;
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namespace System.Security.Cryptography.X509Certificates
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{
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internal static class X509Helper2
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{
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/*
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* This is used by X509ChainImplMono
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*
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* Some of the missing APIs such as X509v3 extensions can be added to the native
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* BTLS implementation.
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*
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* We should also consider replacing X509ChainImplMono with a new X509ChainImplBtls
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* at some point.
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*/
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[MonoTODO ("Investigate replacement; see comments in source.")]
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internal static MX.X509Certificate GetMonoCertificate (X509Certificate2 certificate)
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{
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if (certificate.Impl is X509Certificate2ImplMono monoImpl)
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return monoImpl.MonoCertificate;
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return new MX.X509Certificate (certificate.RawData);
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}
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internal static X509ChainImpl CreateChainImpl (bool useMachineContext)
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{
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return new X509ChainImplMono (useMachineContext);
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}
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public static bool IsValid (X509ChainImpl impl)
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{
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return impl != null && impl.IsValid;
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}
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internal static void ThrowIfContextInvalid (X509ChainImpl impl)
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{
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if (!IsValid (impl))
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throw GetInvalidChainContextException ();
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}
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internal static Exception GetInvalidChainContextException ()
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{
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return new CryptographicException (Locale.GetText ("Chain instance is empty."));
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}
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[Obsolete ("This is only used by Mono.Security's X509Store and will be replaced shortly.")]
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internal static long GetSubjectNameHash (X509Certificate certificate)
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{
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#if MONO_FEATURE_BTLS
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X509Helper.ThrowIfContextInvalid (certificate.Impl);
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using (var x509 = GetNativeInstance (certificate.Impl))
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using (var subject = x509.GetSubjectName ())
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return subject.GetHash ();
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#else
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throw new PlatformNotSupportedException ();
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#endif
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}
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[Obsolete ("This is only used by Mono.Security's X509Store and will be replaced shortly.")]
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internal static void ExportAsPEM (X509Certificate certificate, Stream stream, bool includeHumanReadableForm)
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{
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#if MONO_FEATURE_BTLS
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X509Helper.ThrowIfContextInvalid (certificate.Impl);
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using (var x509 = GetNativeInstance (certificate.Impl))
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using (var bio = MonoBtlsBio.CreateMonoStream (stream))
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x509.ExportAsPEM (bio, includeHumanReadableForm);
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#else
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throw new PlatformNotSupportedException ();
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#endif
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}
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#if MONO_FEATURE_BTLS
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static MonoBtlsX509 GetNativeInstance (X509CertificateImpl impl)
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{
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X509Helper.ThrowIfContextInvalid (impl);
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var btlsImpl = impl as X509CertificateImplBtls;
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if (btlsImpl != null)
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return btlsImpl.X509.Copy ();
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else
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return MonoBtlsX509.LoadFromData (impl.RawData, MonoBtlsX509Format.DER);
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}
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#endif
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}
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}
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