我有一个 Spring MVC 应用程序，它使用 spring security 进行授权。
我实现了一个自定义的 AuthenticationProvider 来授权用户。
我希望这个自定义 AuthenticationProvider 访问应用程序上下文中定义的 bean。
这可能吗？如果是这样，怎么办？
web.xml:
...
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>WEB-INF/spring-security.xml</param-value>
</context-param>
...
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
...
<servlet>
<servlet-name>dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
spring-security.xml:
...
<authentication-manager>
<authentication-provider ref="customAuthenticationProvider"/>
</authentication-manager>
<beans:bean class="com.example.davvstest.CustomAuthenticationProvider" id="customAuthenticationProvider">
<beans:property name="loginService" ref="loginService" />
</beans:bean>
...
调度程序-servlet.xml:
<bean class="com.example.davvstest.LoginService" name="loginService">
</bean>
CustomAuthenticationProvider.java:
package com.example.davvstest;
import org.springframework.security.authentication.AuthenticationProvider;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.AuthenticationException;
public class CustomAuthenticationProvider implements AuthenticationProvider {
private LoginService loginService;
public LoginService getLoginService() {
return loginService;
}
public void setLoginService(LoginService loginService) {
this.loginService = loginService;
}
@Override
public Authentication authenticate(Authentication authentication)
throws AuthenticationException {
if (!loginService.checkAuth(authentication.getName())){
throw new BadUserNameException("Bad username");
}
return authentication;
}
@Override
public boolean supports(Class<?> authentication) {
return true;
}
}
LoginService.java:
package com.example.davvstest;
public class LoginService {
public LoginService() {
}
public boolean checkAuth(String username){
return true;
}
}
我得到的错误是:
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.security.filterChains': Cannot resolve reference to bean 'org.springframework.security.web.DefaultSecurityFilterChain#0' while setting bean property 'sourceList' with key [0]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.security.web.DefaultSecurityFilterChain#0': Cannot resolve reference to bean 'org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter#0' while setting constructor argument with key [1]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter#0': Cannot resolve reference to bean 'org.springframework.security.authentication.ProviderManager#0' while setting bean property 'authenticationManager'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.security.authentication.ProviderManager#0': Cannot resolve reference to bean 'org.springframework.security.config.authentication.AuthenticationManagerFactoryBean#0' while setting constructor argument; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.security.config.authentication.AuthenticationManagerFactoryBean#0': FactoryBean threw exception on object creation; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.security.authenticationManager': Cannot resolve reference to bean 'customAuthenticationProvider' while setting constructor argument with key [0]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'customAuthenticationProvider' defined in ServletContext resource [/WEB-INF/spring-security.xml]: Cannot resolve reference to bean 'loginService' while setting bean property 'loginService'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'loginService' is defined
最佳答案
父上下文不能依赖于子上下文。
在本例中，customAuthenticationProvider bean 是父上下文的一部分，它依赖于子 Web 上下文 loginService。
所以你应该
- 创建单独的 services-context.xml 并将 loginService bean 定义从dispatcher-servlet.xml 移至 services-context.xml。
- 在 web.xml 的
contextConfigLocation值列表中添加 services-context.xml
关于java - 从 Spring Security 上下文访问应用程序上下文，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/18714133/