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개발 중에 스프링 보안을 "세계"에 개방하고 싶습니다. jHipster에는 놀라운 생성기가 있지만 다소 혼란 스럽습니다. 편안한 통화를 위해 봄 보안을 어떻게 열 수 있습니까? 
jHipster 스프링 부트 보안 열기
/**
* Authenticate a user from the database.
*/
@Component("userDetailsService")
public class DomainUserDetailsService implements UserDetailsService {
private final Logger log = LoggerFactory.getLogger(DomainUserDetailsService.class);
private final UserRepository userRepository;
public DomainUserDetailsService(UserRepository userRepository) {
this.userRepository = userRepository;
}
@Override
@Transactional
public UserDetails loadUserByUsername(final String login) {
log.debug("Authenticating {}", login);
String lowercaseLogin = login.toLowerCase(Locale.ENGLISH);
Optional<User> userFromDatabase = userRepository.findOneWithAuthoritiesByLogin(lowercaseLogin);
return userFromDatabase.map(user -> {
if (!user.getActivated()) {
throw new UserNotActivatedException("User " + lowercaseLogin + " was not activated");
}
List<GrantedAuthority> grantedAuthorities = user.getAuthorities().stream()
.map(authority -> new SimpleGrantedAuthority(authority.getName()))
.collect(Collectors.toList());
return new org.springframework.security.core.userdetails.User(lowercaseLogin,
user.getPassword(),
grantedAuthorities);
}).orElseThrow(() -> new UsernameNotFoundException("User " + lowercaseLogin + " was not found in the " +
"database"));
}
}