package internet import ( "errors" "net" "context" "v2ray.com/core/common" ) type ConnectionAuthenticator interface { Client(net.Conn) net.Conn Server(net.Conn) net.Conn } func CreateConnectionAuthenticator(config interface{}) (ConnectionAuthenticator, error) { auth, err := common.CreateObject(context.Background(), config) if err != nil { return nil, err } switch a := auth.(type) { case ConnectionAuthenticator: return a, nil default: return nil, errors.New("Internet: Not a ConnectionAuthenticator.") } }