ctx := r.Context()

	objAPI, cred := validateAdminReq(ctx, w, r, policy.SetTierAction)
	if objAPI == nil {
		return
	}

	password := cred.SecretKey
	reqBytes, err := madmin.DecryptData(password, io.LimitReader(r.Body, r.ContentLength))
	if err != nil {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErrWithErr(ErrAdminConfigBadJSON, err), r.URL)
		return
	}

	var cfg madmin.TierConfig

			return err
		}
		// Subtract hash length..
		left -= int64(n)
		if left < shardSize {
			shardSize = left
		}

		read, err := io.CopyBuffer(h, io.LimitReader(r, shardSize), *bufp)
		if err != nil {
			// Read's failed for object with right size, at different offsets.
			return errFileCorrupt
		}

		left -= read
		if !bytes.Equal(h.Sum(nil), hashBuf[:n]) {

	if rs != nil {
		off, length, err = rs.GetOffsetLength(r.Size())
		if err != nil {
			return nil, err
		}
	}
	r.Seek(off, io.SeekStart)

	return NewGetObjectReaderFromReader(io.LimitReader(r, length), ObjectInfo{
		Bucket:      bucket,
		Name:        object,
		Size:        r.Size(),
		IsLatest:    true,
		ContentType: string(mimeXML),
		NumVersions: 1,
		ETag:        etag,

		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL)
		return
	}

	v, err := versioning.ParseConfig(io.LimitReader(r.Body, maxBucketVersioningConfigSize))
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	if globalSiteReplicationSys.isEnabled() && !v.Enabled() {

	if r.ContentLength <= 0 {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrMissingContentLength), r.URL)
		return
	}

	config, err := event.ParseConfig(io.LimitReader(r.Body, r.ContentLength), globalSite.Region(), globalEventNotifier.targetList)
	if err != nil {
		apiErr := errorCodes.ToAPIErr(ErrMalformedXML)
		if event.IsEventError(err) {
			apiErr = toAPIError(ctx, err)
		}

	if r.ContentLength > maxBucketPolicySize {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrPolicyTooLarge), r.URL)
		return
	}

	bucketPolicyBytes, err := io.ReadAll(io.LimitReader(r.Body, r.ContentLength))
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	bucketPolicy, err := policy.ParseBucketPolicyConfig(bytes.NewReader(bucketPolicyBytes), bucket)

	azMeta := map[string]*string{}
	for k, v := range meta {
		azMeta[k] = to.Ptr(v)
	}
	resp, err := az.clnt.UploadStream(ctx, az.Bucket, az.getDest(object), io.LimitReader(r, length), &azblob.UploadStreamOptions{
		Concurrency: 4,
		AccessTier:  az.tier(), // set tier if specified
		Metadata:    azMeta,
	})
	if err != nil {

		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	// Parse bucket encryption xml
	encConfig, err := validateBucketSSEConfig(io.LimitReader(r.Body, maxBucketSSEConfigSize))
	if err != nil {
		apiErr := APIError{
			Code:           "MalformedXML",
			Description:    fmt.Sprintf("%s (%s)", errorCodes[ErrMalformedXML].Description, err),

	}
	return false
}

// Returns SHA256 for calculating canonical-request.
func getContentSha256Cksum(r *http.Request, stype serviceType) string {
	if stype == serviceSTS {
		payload, err := io.ReadAll(io.LimitReader(r.Body, stsRequestBodyLimit))
		if err != nil {
			logger.CriticalIf(GlobalContext, err)
		}
		sum256 := sha256.Sum256(payload)
		r.Body = io.NopCloser(bytes.NewReader(payload))
		return hex.EncodeToString(sum256[:])