internal static void UpdateMetadataWithEncryptionInstructions()

in src/EncryptionUtils.cs [501:535]

• 29 lines of code
• 5 McCabe index (conditional complexity)

        internal static void UpdateMetadataWithEncryptionInstructions(AmazonWebServiceRequest request, EncryptionInstructions instructions, bool useV2Metadata)
        {
            byte[] keyBytesToStoreInMetadata = instructions.EncryptedEnvelopeKey;
            string base64EncodedEnvelopeKey = Convert.ToBase64String(keyBytesToStoreInMetadata);

            byte[] IVToStoreInMetadata = instructions.InitializationVector;
            string base64EncodedIV = Convert.ToBase64String(IVToStoreInMetadata);

            MetadataCollection metadata = null;

            var putObjectRequest = request as PutObjectRequest;
            if (putObjectRequest != null)
                metadata = putObjectRequest.Metadata;

            var initiateMultipartrequest = request as InitiateMultipartUploadRequest;
            if (initiateMultipartrequest != null)
                metadata = initiateMultipartrequest.Metadata;

            if (metadata != null)
            {
                if (useV2Metadata)
                {
                    metadata.Add(XAmzKeyV2, base64EncodedEnvelopeKey);
                    metadata.Add(XAmzWrapAlg, instructions.WrapAlgorithm);
                    metadata.Add(XAmzCekAlg, instructions.CekAlgorithm);
                }
                else
                {
                    metadata.Add(XAmzKey, base64EncodedEnvelopeKey);
                }

                metadata.Add(XAmzIV, base64EncodedIV);
                metadata.Add(XAmzMatDesc, JsonUtils.ToJson(instructions.MaterialsDescription));
            }
        }