rootCAs    *x509.CertPool
	username   string
	password   string
}

// OperatorOption - functional options pattern style for OperatorDNS
type OperatorOption func(*OperatorDNS)

// Authentication - custom username and password for authenticating at the endpoint
func Authentication(username, password string) OperatorOption {
	return func(args *OperatorDNS) {
		args.username = username
		args.password = password
	}

// factory receiver.  This constructor will normalize the username, password
// and authzID via the SASLprep algorithm, as recommended by RFC-5802.  If
// SASLprep fails, the method returns an error.
func (x *XDGSCRAMClient) Begin(userName, password, authzID string) (err error) {
	x.Client, err = x.HashGeneratorFcn.NewClient(userName, password, authzID)
	if err != nil {
		return err
	}

	flag.StringVar(&minioUsername, "u", "", "MinIO Username")
	flag.StringVar(&minioPassword, "p", "", "MinIO Password")
	flag.BoolVar(&displayCreds, "d", false, "Only show generated credentials")
	flag.DurationVar(&expiryDuration, "e", 0, "Request a duration of validity for the generated credential")
	flag.StringVar(&bucketToList, "b", "", "Bucket to list (defaults to username)")

	oeConfig DiscoveryDoc
	client   http.Client
	adminURL string
	realm    string

	// internal value refreshed
	accessToken Token
}

// LoginWithUser authenticates username/password, not needed for Keycloak
func (k *KeycloakProvider) LoginWithUser(username, password string) error {
	return ErrNotImplemented
}

// LoginWithClientID is implemented by Keycloak service account support

	currTime := UTCNow()

	var (
		username = cred.AccessKey
		claims   = cred.Claims
		groups   = cred.Groups
	)

	if cred.IsTemp() || cred.IsServiceAccount() {
		// For derived credentials, check the parent user's permissions.
		username = cred.ParentUser
	}

	principalType := "Anonymous"
	if username != "" {
		principalType = "User"
		if len(claims) > 0 {

	EnvLookupBindDN       = "MINIO_IDENTITY_LDAP_LOOKUP_BIND_DN"
	EnvLookupBindPassword = "MINIO_IDENTITY_LDAP_LOOKUP_BIND_PASSWORD"
)

var removedKeys = []string{
	"sts_expiry",
	"username_format",
	"username_search_filter",
	"username_search_base_dn",
	"group_name_attribute",
}

// DefaultKVS - default config for LDAP config
var (
	DefaultKVS = config.KVS{
		config.KV{
			Key:   config.Enable,
			Value: "",

	storePrefix       = "minio"
)

// MQTT input constants
const (
	MqttBroker            = "broker"
	MqttTopic             = "topic"
	MqttQoS               = "qos"
	MqttUsername          = "username"
	MqttPassword          = "password"
	MqttReconnectInterval = "reconnect_interval"
	MqttKeepAliveInterval = "keep_alive_interval"
	MqttQueueDir          = "queue_dir"
	MqttQueueLimit        = "queue_limit"

			Key:         KafkaTopic,
			Description: "Kafka topic used for bucket notifications",
			Optional:    true,
			Type:        "string",
		},
		config.HelpKV{
			Key:         KafkaSASLUsername,
			Description: "username for SASL/PLAIN or SASL/SCRAM authentication",
			Optional:    true,
			Type:        "string",
			Sensitive:   true,
		},
		config.HelpKV{
			Key:         KafkaSASLPassword,

	CodeChallengeMethodsSupported    []string `json:"code_challenge_methods_supported,omitempty"`
}

// User represents information about user.
type User struct {
	Name    string `json:"username"`
	ID      string `json:"id"`
	Enabled bool   `json:"enabled"`
}

// Standard errors.
var (
	ErrNotImplemented     = errors.New("function not implemented")

	opts.Port = 14223
	opts.Username = "testminio"
	opts.Password = "miniotest"
	s := natsserver.RunServer(&opts)
	defer s.Shutdown()

	clientConfig := &NATSArgs{
		Enable: true,
		Address: xnet.Host{
			Name:      "localhost",
			Port:      (xnet.Port(opts.Port)),
			IsPortSet: true,
		},
		Subject:  "test",
		Username: opts.Username,
		Password: opts.Password,
	}