- Initial commit

Runtime/3rdParty/BouncyCastle/x509/X509ExtensionBase.cs

@@ -0,0 +1,59 @@
+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+#pragma warning disable
+using System;
+using System.Collections.Generic;
+
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Asn1;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509;
+
+namespace Best.HTTP.SecureProtocol.Org.BouncyCastle.X509
+{
+	public abstract class X509ExtensionBase
+		: IX509Extension
+	{
+		protected abstract X509Extensions GetX509Extensions();
+
+		protected virtual ISet<string> GetExtensionOids(bool critical)
+		{
+			X509Extensions extensions = GetX509Extensions();
+			if (extensions == null)
+				return null;
+
+			var set = new HashSet<string>();
+			foreach (DerObjectIdentifier oid in extensions.ExtensionOids)
+			{
+				X509Extension ext = extensions.GetExtension(oid);
+				if (ext.IsCritical == critical)
+				{
+					set.Add(oid.Id);
+				}
+			}
+			return set;
+		}
+
+		/// <summary>
+		/// Get non critical extensions.
+		/// </summary>
+		/// <returns>A set of non critical extension oids.</returns>
+		public virtual ISet<string> GetNonCriticalExtensionOids()
+		{
+			return GetExtensionOids(false);
+		}
+
+		/// <summary>
+		/// Get any critical extensions.
+		/// </summary>
+		/// <returns>A sorted list of critical entension.</returns>
+		public virtual ISet<string> GetCriticalExtensionOids()
+		{
+			return GetExtensionOids(true);
+		}
+
+		public virtual Asn1OctetString GetExtensionValue(DerObjectIdentifier oid)
+		{
+			return GetX509Extensions()?.GetExtension(oid)?.Value;
+		}
+	}
+}
+#pragma warning restore
+#endif