Method CreateFilter

script/script.go:86–111

CreateFilter creates the lua script filter.

(config []interface{})

// CreateFilter creates the lua script filter.
func (ls *luaScript) CreateFilter(config []interface{}) (filters.Filter, error) {
	if len(ls.sources) == 0 {
		return nil, errLuaSourcesDisabled
	}
	if len(config) == 0 {
		return nil, filters.ErrInvalidFilterParameters
	}
	src, ok := config[0].(string)
	if !ok {
		return nil, filters.ErrInvalidFilterParameters
	}
	var params []string
	for _, p := range config[1:] {
		ps, ok := p.(string)
		if !ok {
			return nil, filters.ErrInvalidFilterParameters
		}
		params = append(params, ps)
	}

	s := &script{source: src, routeParams: params}
	if err := s.initScript(ls.modules, ls.sources); err != nil {
		return nil, err
	}
	return s, nil
}

type script struct {
	source      string