return true
		}
		return checkCopyObjectPreconditions(ctx, w, r, o)
	}
	getOpts.CheckPrecondFn = checkCopyPrecondFn
	if cpSrcDstSame {
		getOpts.NoLock = true
	}

	var rs *HTTPRangeSpec
	gr, err := getObjectNInfo(ctx, srcBucket, srcObject, rs, r.Header, getOpts)
	if err != nil {
		if isErrPreconditionFailed(err) {
			return
		}

		return
	}
	srcOpts.VersionID = vid

	// convert copy src and dst encryption options for GET/PUT calls
	getOpts := ObjectOptions{VersionID: srcOpts.VersionID}
	if srcOpts.ServerSideEncryption != nil {
		getOpts.ServerSideEncryption = encrypt.SSE(srcOpts.ServerSideEncryption)
	}

	dstOpts, err = copyDstOpts(ctx, r, dstBucket, dstObject, nil)
	if err != nil {

		opts.ServerSideEncryption = encrypt.NewSSE()
	}

	return
}

// get ObjectOptions for GET calls from encryption headers
func getOpts(ctx context.Context, r *http.Request, bucket, object string) (ObjectOptions, error) {
	var opts ObjectOptions

	var partNumber int
	var err error
	if pn := r.Form.Get(xhttp.PartNumber); pn != "" {