// Copyright 2021 The Gitea Authors. All rights reserved.// SPDX-License-Identifier: MIT package db import (	"context" 	"forgejo.org/models/auth"	user_model "forgejo.org/models/user") // Source is a password authentication servicetype Source struct{} // FromDB fills up an OAuth2Config from serialized format.func (source *Source) FromDB(bs []byte) error {	return nil} // ToDB exports the config to a byte slice to be saved into database (this method is just dummy and does nothing for DB source)func (source *Source) ToDB() ([]byte, error) {	return nil, nil} // Authenticate queries if login/password is valid against the PAM,// and create a local user if success when enabled.func (source *Source) Authenticate(ctx context.Context, user *user_model.User, login, password string) (*user_model.User, error) {	return Authenticate(ctx, user, login, password)} func init() {	auth.RegisterTypeConfig(auth.NoType, &Source{})	auth.RegisterTypeConfig(auth.Plain, &Source{})}