def on_message(client, userdata, msg):
    print(msg.payload)

# client_id is a randomly generated unique ID for the mqtt broker to identify the connection.
client = mqtt.Client(client_id="myclientid",clean_session=False)

client.on_connect = on_connect
client.on_message = on_message

client.connect("localhost",1883,60)
client.loop_forever()
```

				RolePolicy:           provCfg.RolePolicy,
				ClientID:             provCfg.ClientID,
				HashedClientSecret:   hashedSecret,
			}
		} else {
			res.ClaimProvider = madmin.OpenIDProviderSettings{
				ClaimUserinfoEnabled: provCfg.ClaimUserinfo,
				RolePolicy:           provCfg.RolePolicy,
				ClientID:             provCfg.ClientID,
				HashedClientSecret:   hashedSecret,
			}
		}

	}

	}

	scopes := ddoc.ScopesSupported
	if clientScopes != "" {
		scopes = strings.Split(clientScopes, ",")
	}

	ctx := context.Background()

	config := oauth2.Config{
		ClientID:     clientID,
		ClientSecret: clientSec,
		Endpoint: oauth2.Endpoint{
			AuthURL:  ddoc.AuthEndpoint,
			TokenURL: ddoc.TokenEndpoint,
		},
		RedirectURL: fmt.Sprintf("http://10.0.0.67:%d/oauth2/callback", port),

		return errors.New("the account name is required")
	case conf.AccountKey != "" && (conf.SPAuth.TenantID != "" || conf.SPAuth.ClientID != "" || conf.SPAuth.ClientSecret != ""):
		return errors.New("multiple authentication mechanisms are provided")
	case conf.AccountKey == "" && (conf.SPAuth.TenantID == "" || conf.SPAuth.ClientID == "" || conf.SPAuth.ClientSecret == ""):
		return errors.New("no authentication mechanism was provided")
	}

			Type:        "url",
		},
		config.HelpKV{
			Key:         ClientID,
			Description: `unique public identifier for apps e.g. "292085223830.apps.googleusercontent.com"` + defaultHelpPostfix(ClientID),
			Type:        "string",
		},
		config.HelpKV{
			Key:         ClientSecret,

	pCfg := r.arnProviderCfgsMap[arn]
	if pCfg.JWKS.URL == nil || pCfg.JWKS.URL.String() == "" {
		return nil
	}

	// Add client secret for the client ID for HMAC based signature.
	r.pubKeys.add(pCfg.ClientID, []byte(pCfg.ClientSecret))

	client := &http.Client{
		Transport: r.transport,
	}

	resp, err := client.Get(pCfg.JWKS.URL.String())
	if err != nil {
		return err
	}
	defer r.closeRespFn(resp.Body)

	return ErrNotImplemented
}

// LoginWithClientID is implemented by Keycloak service account support
func (k *KeycloakProvider) LoginWithClientID(clientID, clientSecret string) error {
	values := url.Values{}
	values.Set("client_id", clientID)
	values.Set("client_secret", clientSecret)
	values.Set("grant_type", "client_credentials")

		ClaimPrefix:        getCfgVal(ClaimPrefix),
		RedirectURI:        getCfgVal(RedirectURI),
		RedirectURIDynamic: getCfgVal(RedirectURIDynamic) == config.EnableOn,
		ClientID:           getCfgVal(ClientID),
		ClientSecret:       getCfgVal(ClientSecret),
		RolePolicy:         getCfgVal(RolePolicy),
	}
}

const (
	keyCloakVendor = "keycloak"
)

}

// ConsoleLogger is introduced to workaround the dependency about logrus
type ConsoleLogger struct {
	Enable bool `json:"enable"`
}

// serverConfigV33 is just like version '32', removes clientID from NATS and MQTT, and adds queueDir, queueLimit in all notification targets.
type serverConfigV33 struct {
	quick.Config `json:"-"` // ignore interfaces

	Version string `json:"version"`

	// S3 API configuration.

// Provider implements identity provider specific admin operations, such as
// looking up users, fetching additional attributes etc.
type Provider interface {
	LoginWithUser(username, password string) error
	LoginWithClientID(clientID, clientSecret string) error
	LookupUser(userid string) (User, error)