Spring Security 3.2:@Autowire不适用于SpringMVC应用程序中的java配置和自定义AuthenticationProvider吗?
问题内容:
在几个博客文章和SO问题中相对较好地讨论了这个问题。但是,我找不到专门解决Java配置问题的解决方案。我怀疑我的java配置文件中做错了什么,因为我发现了一些帖子,指出可以通过删除调试XML标记来解决该问题(https://jira.springsource.org/browse/
SEC-1885
)。
我正在使用spring安全性的3.2.0.RELEASE和spring框架的3.2.6.RELEASE。在spring安全性/
mvc配置和自定义AuthenticationProvider中使用的主要文件下面。
WebConfig:
@Configuration
@EnableWebMvc
@ComponentScan(basePackages = {"com.mypackage"})
@ImportResource( { "classpath:/spring-data.xml", "classpath:/trace-context.xml" })
@EnableTransactionManagement
public class WebConfig extends WebMvcConfigurerAdapter {
@Override
public void addViewControllers(ViewControllerRegistry registry) {
registry.addViewController("/login").setViewName("login");
}
@Bean
public StandardServletMultipartResolver multipartResolver() {
return new StandardServletMultipartResolver();
}
@Bean(destroyMethod = "shutdown")
public GraphDatabaseService graphDatabaseService() {
return new GraphDatabaseFactory().newEmbeddedDatabase("target/temp.db");
}
@Bean
public RepositoryInitializer repositoryInitializer() {
return new RepositoryInitializer();
}
@Override
public void addResourceHandlers(ResourceHandlerRegistry registry) {
registry.addResourceHandler("/resources/**").addResourceLocations("/resources/");
}
@Override
public void addInterceptors(InterceptorRegistry registry) {
LocaleChangeInterceptor localeChangeInterceptor = new LocaleChangeInterceptor();
localeChangeInterceptor.setParamName("lang");
registry.addInterceptor(localeChangeInterceptor);
}
@Bean
public LocaleResolver localeResolver() {
CookieLocaleResolver cookieLocaleResolver = new CookieLocaleResolver();
cookieLocaleResolver.setDefaultLocale(StringUtils.parseLocaleString("en"));
return cookieLocaleResolver;
}
@Bean
public ViewResolver viewResolver() {
InternalResourceViewResolver viewResolver = new InternalResourceViewResolver();
viewResolver.setViewClass(JstlView.class);
viewResolver.setPrefix("/WEB-INF/views/");
viewResolver.setSuffix(".jsp");
return viewResolver;
}
@Bean
public MessageSource messageSource() {
ReloadableResourceBundleMessageSource messageSource = new ReloadableResourceBundleMessageSource();
messageSource.setBasenames("classpath:messages/messages", "classpath:messages/validation");
// if true, the key of the message will be displayed if the key is not
// found, instead of throwing a NoSuchMessageException
messageSource.setUseCodeAsDefaultMessage(true);
messageSource.setDefaultEncoding("UTF-8");
// # -1 : never reload, 0 always reload
messageSource.setCacheSeconds(0);
return messageSource;
}
}
WebInitializer:
public class WebInitializer extends AbstractAnnotationConfigDispatcherServletInitializer {
@Override
protected Class<?>[] getRootConfigClasses() {
return new Class[] { WebSecurityConfig.class };
}
@Override
protected Class<?>[] getServletConfigClasses() {
return new Class<?>[] { WebConfig.class};
}
@Override
protected String[] getServletMappings() {
return new String[] { "/" };
}
@Override
protected Filter[] getServletFilters() {
CharacterEncodingFilter characterEncodingFilter = new CharacterEncodingFilter();
characterEncodingFilter.setEncoding("UTF-8");
return new Filter[] { characterEncodingFilter, new SiteMeshFilter()};
}
@Override
public void onStartup(ServletContext servletContext) throws ServletException {
super.onStartup(servletContext);
//servletContext.addListener(new HttpSessionEventPublisher());
}
}
WebSecurityConfig:
@Configuration
@EnableWebSecurity
@Order(1)
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
@Override
protected void configure(HttpSecurity http) throws Exception {
http
.authorizeRequests().anyRequest().permitAll();
// .antMatchers("/", "/login").permitAll()
// .anyRequest().authenticated();
http
.formLogin()
.defaultSuccessUrl("/hello")
.loginPage("/login")
.permitAll()
.and()
.logout()
.logoutUrl("/logout")
.permitAll();
http
.sessionManagement()
.maximumSessions(1)
.maxSessionsPreventsLogin(true);
}
@Override
public void configure(WebSecurity web) throws Exception {
web
.ignoring()
.antMatchers("/resources/**");
}
@Override
protected void configure(AuthenticationManagerBuilder authManagerBuilder) throws Exception {
authManagerBuilder.authenticationProvider(new ApplicationAuthenticationProvider());
}
}
WebSecurityInitializer:
public class WebSecurityInitializer extends AbstractSecurityWebApplicationInitializer {
}
AuthenticationProvider:
@Component(value = "authenticationProvider")
public class ApplicationAuthenticationProvider implements AuthenticationProvider {
@Autowired
public UserService userService;
public ApplicationAuthenticationProvider() {}
@Override
public Authentication authenticate(Authentication authentication) throws AuthenticationException {
String username = authentication.getName();
String password = (String) authentication.getCredentials();
User user = userService.loadUserByUsername(username);
if (user == null) {
throw new BadCredentialsException("Username not found.");
}
if (!password.equals(user.getPassword())) {
throw new BadCredentialsException("Wrong password.");
}
Collection<? extends GrantedAuthority> authorities = user.getAuthorities();
return new UsernamePasswordAuthenticationToken(username, password, authorities);
}
@Override
public boolean supports(Class<?> arg0) {
return true;
}
}
UserService:
@Service
public class UserService implements UserDetailsService {
@Autowired
private UserRepository userRepository;
@Override
public User loadUserByUsername(String username) throws UsernameNotFoundException {
return userRepository.findByUsername(username);
}
}
Spring在构建其应用程序上下文时(在应用程序初始化期间)抛出异常:
[ERROR] [main 11:53:37] (FrameworkServlet.java:initServletBean:467) Context initialization failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'authenticationProvider': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: public com.evidencefactory.service.UserService com.evidencefactory.security.ApplicationAuthenticationProvider.userService; nested exception is java.lang.IllegalArgumentException: Can not set com.evidencefactory.service.UserService field com.evidencefactory.security.ApplicationAuthenticationProvider.userService to sun.proxy.$Proxy71
我不明白为什么会这样,但是如果我UserDetailsService
从UserService
类中删除接口实现,那么应用程序将成功启动。但是,当ApplicationAuthenticationProvider
Spring调用时,UserService
不会自动绑定到其中,并且应用程序将引发NullPointerException。
java.lang.NullPointerException
at com.evidencefactory.security.ApplicationAuthenticationProvider.authenticate(ApplicationAuthenticationProvider.java:33)
问题答案:
尽管仍然存在一些未解决的问题,但想出了如何使其工作的方法。
1)我仍然不知道为什么在UserService
实现时Spring上下文初始化失败UserDetailsService
。鉴于我没有看到它的用途,因为我使用的是custom
AuthenticationProvider
,所以我删除了此实现,现在一切正常。据我所知(从我对Spring
Security参考文档的初次阅读中可以了解的内容),提供自定义AuthenticationProvider
或UserDetailsService
实现是排他性的选择。
2)正如一位响应者(@Sotirios
Delimanolis)所注意到的那样,我是ApplicatinoAuthenticationProvider
手工实例化的,由于它不是由Spring管理的,因此该实例不会UserService
自动连接到该实例。基于此,我更改WebSecurityConfig
为获得一个自动装配的实例,ApplicationAuthenticationProvider
如下所示:
@Configuration
@EnableWebSecurity
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
@Autowired
private ApplicationAuthenticationProvider authenticationProvider;
@Override
protected void configure(AuthenticationManagerBuilder authManagerBuilder) throws Exception {
authManagerBuilder.authenticationProvider(authenticationProvider);
}
}
这还不够,因为ApplicationAuthenticationProvider
没有被自动连接到中WebSecurityConfig
。基于此链接,Spring
Security 3.1.3@Autowired在使用WebApplicationInitializer时不起作用,我注意到这是因为安全配置也应具有组件扫描声明。添加@ComponentScan(basePackages= {"com.mypackage"})
来WebSecurityConfig
解决问题。