Series Spring Security + JWT cho REST API (Phần 02)

/**
 * @author <a href="mailto:phuongdp.tech@gmail.com">PhuongDP</a>
*/

@AllArgsConstructor
@Service
public class AuthenticationService implements UserDetailsService {
    private final AccountRepository accountRepository;

    @Override
    @Transactional
    public UserDetails loadUserByUsername(final String account) {
        return accountRepository
                .findByAccount(account)
                .map(this::createSpringSecurityUser)
                .orElseThrow(() -> new UsernameNotFoundException("Account " + account + " was not found in the database"));
    }

    private org.springframework.security.core.userdetails.User createSpringSecurityUser(Account account) {
        List<GrantedAuthority> grantedAuthorities =
                Collections.singletonList(new SimpleGrantedAuthority("ROLE_" + account.getAuthority().name()));
        return new org.springframework.security.core.userdetails.User(account.getAccount(), account.getPassword(), grantedAuthorities);
    }
}

/**
 * @author <a href="mailto:phuongdp.tech@gmail.com">PhuongDP</a>
*/
@EnableWebSecurity
@EnableGlobalMethodSecurity(prePostEnabled = true, securedEnabled = true)
@AllArgsConstructor
public class SecurityConfiguration extends WebSecurityConfigurerAdapter {

    private final CorsFilter corsFilter;
    private final TokenProvider tokenProvider;
    private final JwtAuthenticationEntryPoint jwtAuthenticationEntryPoint;

    @Bean
    public PasswordEncoder passwordEncoder() {
        return new BCryptPasswordEncoder();
    }

    @Override
    public void configure(HttpSecurity http) throws Exception {
        // @formatter:off
        http
            .csrf()
            .disable()
            .addFilterBefore(corsFilter, UsernamePasswordAuthenticationFilter.class)
            .exceptionHandling()
            .authenticationEntryPoint(jwtAuthenticationEntryPoint)
        .and()
            .sessionManagement()
            .sessionCreationPolicy(SessionCreationPolicy.STATELESS)
        .and()
            .authorizeRequests()
            .antMatchers("/api/login").permitAll()
          //.antMatchers("/api/user/**").hasAnyRole(Role.USER.name(), Role.ADMIN.name())
            .antMatchers("/api/admin/**").hasRole(Role.ADMIN.name())
            .anyRequest().authenticated()
        .and()
            .httpBasic()
        .and()
            .apply(securityConfigurerAdapter());
        // @formatter:on
    }

    private JWTConfigurer securityConfigurerAdapter() {
        return new JWTConfigurer(tokenProvider);
    }
}