[英]Access application context from spring securty context
我有一個使用Spring安全性進行授權的Spring MVC應用程序。
我已經實現了一個自定義的AuthenticationProvider,它可以授權用戶。
我希望此自定義AuthenticationProvider訪問應用程序上下文中定義的bean。
這可能嗎? 如果是這樣,怎么辦?
web.xml中:
...
<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>
彈簧security.xml文件:
...
<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>
...
調度員servlet.xml中:
<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;
}
}
我得到的錯誤是:
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
父上下文不能具有子上下文的依賴關系。
在這種情況下,customAuthenticationProvider bean是父上下文的一部分,它與子Web上下文loginService具有依賴關系。
所以你應該
contextConfigLocation
值列表中添加services-context.xml
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