// Реализация UserDetailsService
@Service
public class BasicUserDetailsService implements UserDetailsService {
    @Autowired
    private UserMapper userMapper;
    
    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        UserDomain userDomain = userMapper.getUserByEmail(username);
        return new UserDetails(userDomain); 
    }
}

// Биним в конфигурации
@Bean
public TokenBasedRememberMeServices rememberMeServices() {
    TokenBasedRememberMeServices rememberMeServices
                = new TokenBasedRememberMeServices("123", basicUserDetailsService);
    return rememberMeServices;
}

// Используем при регистрации
@Autowired
private TokenBasedRememberMeServices rememberMeServices; 
 
UsernamePasswordAuthenticationToken token = new UsernamePasswordAuthenticationToken(userDetails, null, userDetails.getAuthorities());
token.setDetails(new WebAuthenticationDetails(request));
SecurityContextHolder.getContext().setAuthentication(token);
rememberMeServices.loginSuccess(request, response, token);