Function NewEnforcer

enforcer.go:85–138

NewEnforcer creates an enforcer via file or DB. File: e := casbin.NewEnforcer("path/to/basic_model.conf", "path/to/basic_policy.csv") MySQL DB: a := mysqladapter.NewDBAdapter("mysql", "mysql_username:mysql_password@tcp(127.0.0.1:3306)/") e := casbin.NewEnforcer("path/to/basic_model.conf", a)

(params ...interface{})

//	a := mysqladapter.NewDBAdapter("mysql", "mysql_username:mysql_password@tcp(127.0.0.1:3306)/")
//	e := casbin.NewEnforcer("path/to/basic_model.conf", a)
func NewEnforcer(params ...interface{}) (*Enforcer, error) {
	e := &Enforcer{}

	parsedParamLen := 0
	paramLen := len(params)

	switch paramLen - parsedParamLen {
	case 2:
		switch p0 := params[0].(type) {
		case string:
			switch p1 := params[1].(type) {
			case string:
				err := e.InitWithFile(p0, p1)
				if err != nil {
					return nil, err
				}
			default:
				err := e.InitWithAdapter(p0, p1.(persist.Adapter))
				if err != nil {
					return nil, err
				}
			}
		default:
			switch params[1].(type) {
			case string:
				return nil, errors.New("invalid parameters for enforcer")
			default:
				err := e.InitWithModelAndAdapter(p0.(model.Model), params[1].(persist.Adapter))
				if err != nil {
					return nil, err
				}
			}
		}
	case 1:
		switch p0 := params[0].(type) {
		case string:
			err := e.InitWithFile(p0, "")
			if err != nil {
				return nil, err
			}
		default:
			err := e.InitWithModelAndAdapter(p0.(model.Model), nil)
			if err != nil {
				return nil, err
			}
		}
	case 0:
		return e, nil
	default:
		return nil, errors.New("invalid parameters for enforcer")
	}

	return e, nil
}

// InitWithFile initializes an enforcer with a model file and a policy file.
func (e *Enforcer) InitWithFile(modelPath string, policyPath string) error {