SORU
21 NİSAN 2010, ÇARŞAMBA


Bahar Güvenlik Hazırda 3 veritabanı ile kimlik doğrulama

Veritabanı, Bahar Güvenlik belgeleri, kullanıcıların uyku ile kimlik doğrulaması için nasıl söyleme kimlik doğrulaması gerekiyor. Ve bu mümkün mü nasıl yapabilirim?

CEVAP
23 NİSAN 2010, Cuma


Kimlik doğrulama sağlayıcısı, kendi özel olun.

Örnek kod:

Hazırda yük Kullanıcılara hizmet:

import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;    

@Service("userDetailsService") 
public class UserDetailsServiceImpl implements UserDetailsService {

  @Autowired private UserDao dao;
  @Autowired private Assembler assembler;

  @Transactional(readOnly = true)
  public UserDetails loadUserByUsername(String username)
      throws UsernameNotFoundException, DataAccessException {

    UserDetails userDetails = null;
    UserEntity userEntity = dao.findByName(username);
    if (userEntity == null)
      throw new UsernameNotFoundException("user not found");

    return assembler.buildUserFromUserEntity(userEntity);
  }
}

Bahar bir kullanıcı için varlık dönüştürmek için hizmet nesne:

import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.GrantedAuthorityImpl;
import org.springframework.security.core.userdetails.User;

@Service("assembler")
public class Assembler {

  @Transactional(readOnly = true)
  User buildUserFromUserEntity(UserEntity userEntity) {

    String username = userEntity.getName();
    String password = userEntity.getPassword();
    boolean enabled = userEntity.isActive();
    boolean accountNonExpired = userEntity.isActive();
    boolean credentialsNonExpired = userEntity.isActive();
    boolean accountNonLocked = userEntity.isActive();

    Collection<GrantedAuthority> authorities = new ArrayList<GrantedAuthority>();
    for (SecurityRoleEntity role : userEntity.getRoles()) {
      authorities.add(new GrantedAuthorityImpl(role.getRoleName()));
    }

    User user = new User(username, password, enabled,
      accountNonExpired, credentialsNonExpired, accountNonLocked, authorities, id);
    return user;
  }
}

Ad-tabanlı application-context-security.xml bir şey gibi görünecektir:

<http>
  <intercept-url pattern="/login.do*" filters="none"/>
  <intercept-url pattern="/**" access="IS_AUTHENTICATED_ANONYMOUSLY" />
  <form-login login-page="/login.do"
              authentication-failure-url="/login.do?error=failed"
              login-processing-url="/login-please.do" />
  <logout logout-url="/logoff-please.do"
          logout-success-url="/logoff.html" />
</http>

<beans:bean id="daoAuthenticationProvider"
 class="org.springframework.security.authentication.dao.DaoAuthenticationProvider">
  <beans:property name="userDetailsService" ref="userDetailsService"/>
</beans:bean>

<beans:bean id="authenticationManager"
    class="org.springframework.security.authentication.ProviderManager">
  <beans:property name="providers">
    <beans:list>
      <beans:ref local="daoAuthenticationProvider" />
    </beans:list>
  </beans:property>
</beans:bean>

<authentication-manager>
  <authentication-provider user-service-ref="userDetailsService">
    <password-encoder hash="md5"/>
  </authentication-provider>
</authentication-manager>

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