writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}
	// s3zip does not allow ranges
	w.Header().Del(xhttp.AcceptRanges)

	setHeadGetRespHeaders(w, r.Form)

	httpWriter := xioutil.WriteOnClose(w)

	// Write object content to response body
	if _, err = xioutil.Copy(httpWriter, rc); err != nil {
		if !httpWriter.HasWritten() {

	encryptBufferSize = 1 << 20

	// minCompressibleSize is the minimum size at which we enable compression.
	minCompressibleSize = 4096
)

// setHeadGetRespHeaders - set any requested parameters as response headers.
func setHeadGetRespHeaders(w http.ResponseWriter, reqParams url.Values) {
	for k, v := range reqParams {
		if header, ok := supportedHeadGetReqParams[strings.ToLower(k)]; ok {