if err != nil {
		configLogIf(ctx, fmt.Errorf("Invalid site configuration: %w", err))
	}
	globalSite.Update(siteCfg)

	globalAutoEncryption = crypto.LookupAutoEncryption() // Enable auto-encryption if enabled
	if globalAutoEncryption && GlobalKMS == nil {
		logger.Fatal(errors.New("no KMS configured"), "MINIO_KMS_AUTO_ENCRYPTION requires a valid KMS configuration")
	}

	globalLeaderLock *sharedLock

	// Auto-Encryption, if enabled, turns any non-SSE-C request
	// into an SSE-S3 request. If enabled a valid, non-empty KMS
	// configuration must be present.
	globalAutoEncryption bool

	// Is compression enabled?
	globalCompressConfigMu sync.Mutex
	globalCompressConfig   compress.Config

	// Some standard object extensions which we strictly dis-allow for compression.

		return
	}

	// Check if bucket encryption is enabled
	sseConfig, _ := globalBucketSSEConfigSys.Get(dstBucket)
	sseConfig.Apply(r.Header, sse.ApplyOptions{
		AutoEncrypt: globalAutoEncryption,
	})

	var srcOpts, dstOpts ObjectOptions
	srcOpts, err = copySrcOpts(ctx, r, srcBucket, srcObject)
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

		return
	}

	// Check if bucket encryption is enabled
	sseConfig, _ := globalBucketSSEConfigSys.Get(bucket)
	sseConfig.Apply(r.Header, sse.ApplyOptions{
		AutoEncrypt: globalAutoEncryption,
	})

	// Validate storage class metadata if present
	if sc := r.Header.Get(xhttp.AmzStorageClass); sc != "" {
		if !storageclass.IsValid(sc) {

	var objectEncryptionKey crypto.ObjectKey

	// Check if bucket encryption is enabled
	sseConfig, _ := globalBucketSSEConfigSys.Get(bucket)
	sseConfig.Apply(formValues, sse.ApplyOptions{
		AutoEncrypt: globalAutoEncryption,
	})

	var opts ObjectOptions
	opts, err = putOptsFromReq(ctx, r, bucket, object, metadata)
	if err != nil {
		writeErrorResponseHeadersOnly(w, toAPIError(ctx, err))
		return
	}