func setUploadForwardingMiddleware(h http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if !globalSiteReplicationSys.isEnabled() ||
			guessIsHealthCheckReq(r) || guessIsMetricsReq(r) ||
			guessIsRPCReq(r) || guessIsLoginSTSReq(r) || isAdminReq(r) {
			h.ServeHTTP(w, r)
			return
		}

		bucket, object := request2BucketObjectName(r)

				if globalAuthNPlugin == nil {
					return []MetricV2{}, nil
				}
			}
			if g.metricsGroupOpts.dependGlobalSiteReplicationSys {
				if !globalSiteReplicationSys.isEnabled() {
					return []MetricV2{}, nil
				}
			}
			if g.metricsGroupOpts.dependGlobalNotificationSys {
				if globalNotificationSys == nil {
					return []MetricV2{}, nil
				}
			}

				if err = globalDNSConfig.Put(bucket); err != nil {
					objectAPI.DeleteBucket(context.Background(), bucket, DeleteBucketOptions{
						Force:      true,
						SRDeleteOp: getSRBucketDeleteOp(globalSiteReplicationSys.isEnabled()),
					})
					writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
					return
				}

				// Load updated bucket metadata into memory.
				globalNotificationSys.LoadBucketMetadata(GlobalContext, bucket)

        boolean enabled = true;

        String updatePolicy = null;

        String checksumPolicy = null;

        if (policy != null) {
            enabled = policy.isEnabled();

            if (policy.getUpdatePolicy() != null) {
                updatePolicy = policy.getUpdatePolicy();
            }
            if (policy.getChecksumPolicy() != null) {

	if cred.IsTemp() && cred.IsExpired() {
		return nil, toAPIErrorCode(r.Context(), errInvalidAccessKeyID)
	}
	secret := globalActiveCred.SecretKey
	if globalSiteReplicationSys.isEnabled() && cred.AccessKey != siteReplicatorSvcAcc {
		nsecret, err := getTokenSigningKey()
		if err != nil {
			return nil, toAPIErrorCode(r.Context(), err)
		}

pkg os, const ModeType = 2399666176
pkg os, func UserCacheDir() (string, error)
pkg os/signal, func Ignored(os.Signal) bool
pkg regexp/syntax, method (Op) String() string
pkg runtime/trace, func IsEnabled() bool
pkg runtime/trace, func Log(context.Context, string, string)
pkg runtime/trace, func Logf(context.Context, string, string, ...interface{})
pkg runtime/trace, func NewTask(context.Context, string) (context.Context, *Task)

	}
	return nil
}

// getTokenSigningKey returns secret key used to sign JWT session tokens
func getTokenSigningKey() (string, error) {
	secret := globalActiveCred.SecretKey
	if globalSiteReplicationSys.isEnabled() {
		secretKey, err := globalSiteReplicatorCred.Get(GlobalContext)
		if err != nil {
			return "", err
		}
		return secretKey, nil
	}
	return secret, nil
}

            throw new CrawlerSystemException("HTTP URL is null or empty. Cannot process robots.txt without a valid URL.");
        }

        if (robotsTxtHelper == null || !robotsTxtHelper.isEnabled()) {
            // not support robots.txt
            return;
        }

        // crawler context
        final CrawlerContext crawlerContext = CrawlingParameterUtil.getCrawlerContext();

            throw new CrawlerSystemException("HTTP URL is null or empty. Cannot process robots.txt without a valid URL.");
        }

        if (robotsTxtHelper == null || !robotsTxtHelper.isEnabled()) {
            // not support robots.txt
            return;
        }

        // crawler context
        final CrawlerContext crawlerContext = CrawlingParameterUtil.getCrawlerContext();

	keys := make([]string, 0, 3)

	// Append credentials secret key itself
	keys = append(keys, u.Credentials.SecretKey)

	// Use site-replication credentials if found
	if globalSiteReplicationSys.isEnabled() {
		secretKey, err := getTokenSigningKey()
		if err != nil {
			return nil, err
		}
		keys = append(keys, secretKey)
	}