if err != nil {
		secretKey, err := getTokenSigningKey()
		if err != nil {
			return nil, err
		}
		// Session tokens for STS creds will be generated with root secret or site-replicator-0 secret
		jwtClaims, err = auth.ExtractClaims(u.Credentials.SessionToken, secretKey)
		if err != nil {
			return nil, err
		}
	}
	return jwtClaims, nil
}

		Code:           "InvalidArgument",
		Description:    "The secret key was invalid for the specified algorithm.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrMissingSSECustomerKey: {
		Code:           "InvalidArgument",
		Description:    "Requests specifying Server Side Encryption with Customer provided keys must provide an appropriate secret key.",
		HTTPStatusCode: http.StatusBadRequest,
	},

	defer cancel()

	configCmds := []string{
		"identity_openid",
		fmt.Sprintf("config_url=%s/.well-known/openid-configuration", serverAddr),
		"client_id=minio-client-app",
		"client_secret=minio-client-app-secret",
		"scopes=openid,groups",
		"redirect_uri=http://127.0.0.1:10000/oauth_callback",
	}
	if rolePolicy != "" {
		configCmds = append(configCmds, fmt.Sprintf("role_policy=%s", rolePolicy))
	} else {

                        },
                        "alpn_protocols": [
                          "h2"
                        ],
                        "tls_certificate_sds_secret_configs": [
                          {
                            "name": "default",
                            "sds_config": {
                              "api_config_source": {

                        },
                        "alpn_protocols": [
                          "h2"
                        ],
                        "tls_certificate_sds_secret_configs": [
                          {
                            "name": "default",
                            "sds_config": {
                              "api_config_source": {

	sa, embeddedPolicy, err := sys.getServiceAccount(ctx, accessKey)
	if err != nil {
		return auth.Credentials{}, nil, err
	}
	// Hide secret & session keys
	sa.Credentials.SecretKey = ""
	sa.Credentials.SessionToken = ""
	return sa.Credentials, embeddedPolicy, nil
}

	// Presign is not needed for anonymous credentials.
	if accessKeyID == "" || secretAccessKey == "" {
		return errors.New("Presign cannot be generated without access and secret keys")
	}

	region := globalSite.Region
	date := UTCNow()
	scope := getScope(date, region)
	credential := fmt.Sprintf("%s/%s", accessKeyID, scope)

	// Set URL query.
	query := req.URL.Query()

		//     spark.sparkContext.hadoopConfiguration.set("fs.s3a.path.style.access", "true")
		//     spark.sparkContext.hadoopConfiguration.set("fs.s3a.access.key", "minioadmin")
		//     spark.sparkContext.hadoopConfiguration.set("fs.s3a.secret.key", "minioadmin")
		//
		//     val df = spark.read.json("s3a://testbucket/s3.json")
		//
		//     df.write.parquet("s3a://testbucket/parquet/")
		//   }
		// }