Initial Commit

iTechSharp/srcbc/asn1/ocsp/ResponseData.cs

@@ -0,0 +1,158 @@
+using System;
+
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Asn1.X509;
+
+namespace Org.BouncyCastle.Asn1.Ocsp
+{
+	public class ResponseData
+		: Asn1Encodable
+	{
+		private static readonly DerInteger V1 = new DerInteger(0);
+
+		private readonly bool                versionPresent;
+		private readonly DerInteger          version;
+		private readonly ResponderID         responderID;
+		private readonly DerGeneralizedTime  producedAt;
+		private readonly Asn1Sequence        responses;
+		private readonly X509Extensions      responseExtensions;
+
+		public static ResponseData GetInstance(
+			Asn1TaggedObject	obj,
+			bool				explicitly)
+		{
+			return GetInstance(Asn1Sequence.GetInstance(obj, explicitly));
+		}
+
+		public static ResponseData GetInstance(
+			object  obj)
+		{
+			if (obj == null || obj is ResponseData)
+			{
+				return (ResponseData)obj;
+			}
+
+			if (obj is Asn1Sequence)
+			{
+				return new ResponseData((Asn1Sequence)obj);
+			}
+
+			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+		}
+
+		public ResponseData(
+			DerInteger          version,
+			ResponderID         responderID,
+			DerGeneralizedTime  producedAt,
+			Asn1Sequence        responses,
+			X509Extensions      responseExtensions)
+		{
+			this.version = version;
+			this.responderID = responderID;
+			this.producedAt = producedAt;
+			this.responses = responses;
+			this.responseExtensions = responseExtensions;
+		}
+
+		public ResponseData(
+			ResponderID         responderID,
+			DerGeneralizedTime  producedAt,
+			Asn1Sequence        responses,
+			X509Extensions      responseExtensions)
+			: this(V1, responderID, producedAt, responses, responseExtensions)
+		{
+		}
+
+		private ResponseData(
+			Asn1Sequence seq)
+		{
+			int index = 0;
+
+			Asn1Encodable enc = seq[0];
+			if (enc is Asn1TaggedObject)
+			{
+				Asn1TaggedObject o = (Asn1TaggedObject)enc;
+
+				if (o.TagNo == 0)
+				{
+					this.versionPresent = true;
+					this.version = DerInteger.GetInstance(o, true);
+					index++;
+				}
+				else
+				{
+					this.version = V1;
+				}
+			}
+			else
+			{
+				this.version = V1;
+			}
+
+			this.responderID = ResponderID.GetInstance(seq[index++]);
+			this.producedAt = (DerGeneralizedTime)seq[index++];
+			this.responses = (Asn1Sequence)seq[index++];
+
+			if (seq.Count > index)
+			{
+				this.responseExtensions = X509Extensions.GetInstance(
+					(Asn1TaggedObject)seq[index], true);
+			}
+		}
+
+		public DerInteger Version
+		{
+			get { return version; }
+		}
+
+		public ResponderID ResponderID
+		{
+			get { return responderID; }
+		}
+
+		public DerGeneralizedTime ProducedAt
+		{
+			get { return producedAt; }
+		}
+
+		public Asn1Sequence Responses
+		{
+			get { return responses; }
+		}
+
+		public X509Extensions ResponseExtensions
+		{
+			get { return responseExtensions; }
+		}
+
+		/**
+         * Produce an object suitable for an Asn1OutputStream.
+         * <pre>
+         * ResponseData ::= Sequence {
+         *     version              [0] EXPLICIT Version DEFAULT v1,
+         *     responderID              ResponderID,
+         *     producedAt               GeneralizedTime,
+         *     responses                Sequence OF SingleResponse,
+         *     responseExtensions   [1] EXPLICIT Extensions OPTIONAL }
+         * </pre>
+         */
+        public override Asn1Object ToAsn1Object()
+        {
+            Asn1EncodableVector v = new Asn1EncodableVector();
+
+			if (versionPresent || !version.Equals(V1))
+			{
+				v.Add(new DerTaggedObject(true, 0, version));
+			}
+
+			v.Add(responderID, producedAt, responses);
+
+			if (responseExtensions != null)
+            {
+                v.Add(new DerTaggedObject(true, 1, responseExtensions));
+            }
+
+			return new DerSequence(v);
+        }
+    }
+}