var (
		md5hex              = clientETag.String()
		sha256hex           = ""
		rd        io.Reader = r.Body
		s3Err     APIErrorCode
		putObject = objectAPI.PutObject
	)

	// Check if put is allowed
	if s3Err = isPutActionAllowed(ctx, rAuthType, bucket, object, r, policy.PutObjectAction); s3Err != ErrNone {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Err), r.URL)
		return
	}

	switch rAuthType {