protected override void GenerateEncryptedUploadPartRequest()

in src/Internal/SetupEncryptionHandlerV2.cs [183:211]

23 lines of code
4 McCabe index (conditional complexity)


        protected override void GenerateEncryptedUploadPartRequest(UploadPartRequest request)
        {
            string uploadID = request.UploadId;

            var contextForEncryption = this.EncryptionClient.CurrentMultiPartUploadKeys[uploadID];
            var envelopeKey = contextForEncryption.EnvelopeKey;
            var IV = contextForEncryption.NextIV;

            var instructions = new EncryptionInstructions(EncryptionMaterials.MaterialsDescription, envelopeKey, IV);

            if (request.IsLastPart == false)
            {
                if (contextForEncryption.IsFinalPart)
                    throw new AmazonClientException("Last part has already been processed, cannot upload this as the last part");

                if (request.PartNumber < contextForEncryption.PartNumber)
                    throw new AmazonClientException($"Upload Parts must be in correct sequence. Request part number {request.PartNumber} must be >= to {contextForEncryption.PartNumber}");

                UpdateRequestInputStream(request, contextForEncryption, instructions);
                contextForEncryption.PartNumber = request.PartNumber;
            }
            else
            {
                UpdateRequestInputStream(request, contextForEncryption, instructions);
                contextForEncryption.IsFinalPart = true;
            }
            ((Amazon.Runtime.Internal.IAmazonWebServiceRequest)request).RequestState.Add(Constants.S3CryptoStreamRequestState, request.InputStream);

        }