Imported Upstream version 4.8.0.309

Former-commit-id: 5f9c6ae75f295e057a7d2971f3a6df4656fa8850

mcs/class/System/Mono.Btls/MonoBtlsX509LookupMonoCollection.cs

@@ -0,0 +1,102 @@
+//
+// MonoBtlsX509LookupMonoCollection.cs
+//
+// Author:
+//       Martin Baulig <martin.baulig@xamarin.com>
+//
+// Copyright (c) 2016 Xamarin Inc. (http://www.xamarin.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+#if SECURITY_DEP && MONO_FEATURE_BTLS
+using System;
+using System.IO;
+using System.Runtime.InteropServices;
+using System.Runtime.CompilerServices;
+using System.Security.Cryptography.X509Certificates;
+
+#if MONOTOUCH
+using MonoTouch;
+#endif
+
+namespace Mono.Btls
+{
+	internal class MonoBtlsX509LookupMonoCollection : MonoBtlsX509LookupMono
+	{
+		long[] hashes;
+		MonoBtlsX509[] certificates;
+		X509CertificateCollection collection;
+		MonoBtlsX509TrustKind trust;
+
+		internal MonoBtlsX509LookupMonoCollection (X509CertificateCollection collection, MonoBtlsX509TrustKind trust)
+		{
+			this.collection = collection;
+			this.trust = trust;
+		}
+
+		void Initialize ()
+		{
+			if (certificates != null)
+				return;
+
+			hashes = new long [collection.Count];
+			certificates = new MonoBtlsX509 [collection.Count];
+			for (int i = 0; i < collection.Count; i++) {
+				// Create new 'X509 *' instance since we need to modify it to add the
+				// trust settings.
+				var data = collection [i].GetRawCertData ();
+				certificates [i] = MonoBtlsX509.LoadFromData (data, MonoBtlsX509Format.DER);
+				certificates [i].AddExplicitTrust (trust);
+				hashes [i] = certificates [i].GetSubjectNameHash ();
+			}
+		}
+
+		protected override MonoBtlsX509 OnGetBySubject (MonoBtlsX509Name name)
+		{
+			Console.WriteLine ("COLLECTION LOOKUP: {0:x} - {1}", name.GetHash (), name.GetString ());
+			Initialize ();
+
+			var hash = name.GetHash ();
+			for (int i = 0; i < certificates.Length; i++) {
+				if (hashes [i] == hash)
+					return certificates [i];
+			}
+
+			return null;
+		}
+
+		protected override void Close ()
+		{
+			try {
+				if (certificates != null) {
+					for (int i = 0; i < certificates.Length; i++) {
+						if (certificates [i] != null) {
+							certificates [i].Dispose ();
+							certificates [i] = null;
+						}
+					}
+					certificates = null;
+					hashes = null;
+				}
+			} finally {
+				base.Close ();
+			}
+		}
+	}
+}
+#endif