Implementation for Custom AuthenticationManager

Question

I am trying implementing in a simple application a full customized login based on the spring security, which will serve to me as base for a more complex project. In the moment, I need write a custom AuthenticationManager.

In other topic here from StackOverflow, Ilhave learned that "the AuthenticationManager delegates the fetching of persistent user information to one or more AuthenticationProviders". I already have one AuthenticationProvider for get the user data from database.

I also read in other place (i can't find the link anymore), i could configure my MethodSecurityConfig together with my CustomPermissionEvaluator in this class (but how I lost the link, I can't be sure).

The problem is that I have no idea how I should put all this in the code in this minimal structure:

public class CustomAuthenticationManager implements AuthenticationManager {

    @Override
    public Authentication authenticate(Authentication arg0) throws AuthenticationException {
        // TODO Auto-generated method stub
        return null;
    }

}

Anyone can just point me a direction of how to do this? A link for some tutorial, or github project which contain a class like that, or anything of this nature will be of great help.

ps.: my classes from security package are:

https://github.com/klebermo/webapp2/tree/master/src/com/spring/webapp/lojavirtual/config/security

UPDATE

Ok, I need correct the third paragraph above: in fact, I include the AuthenticationManager because when I try run the application, after I include the method:

protected MethodSecurityExpressionHandler createExpressionHandler() {
    DefaultMethodSecurityExpressionHandler expressionHandler = new DefaultMethodSecurityExpressionHandler();
    expressionHandler.setPermissionEvaluator(new CustomPermissionEvaluator());
    return expressionHandler;
}

to my securityconfig, i face an error in the console of eclipse, where says that I NEED an AuthenticationManager.

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'privadoController' defined in file [/home/kleber/workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/webapp2/WEB-INF/classes/com/spring/webapp/lojavirtual/acesso/controller/PrivadoController.class]: Initialization of bean failed; nested exception is org.springframework.aop.framework.AopConfigException: Unexpected AOP exception; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'methodSecurityInterceptor' defined in class path resource [org/springframework/security/config/annotation/method/configuration/GlobalMethodSecurityConfiguration.class]: Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: An AuthenticationManager is required
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:529)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458)
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:295)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:292)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:628)
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:932)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:479)
    at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:389)
    at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:294)
    at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:112)
    at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4937)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5434)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
    at java.util.concurrent.FutureTask.run(FutureTask.java:262)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:744)
Caused by: org.springframework.aop.framework.AopConfigException: Unexpected AOP exception; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'methodSecurityInterceptor' defined in class path resource [org/springframework/security/config/annotation/method/configuration/GlobalMethodSecurityConfiguration.class]: Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: An AuthenticationManager is required
    at org.springframework.aop.framework.CglibAopProxy.getProxy(CglibAopProxy.java:224)
    at org.springframework.aop.framework.ProxyFactory.getProxy(ProxyFactory.java:111)
    at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.createProxy(AbstractAutoProxyCreator.java:477)
    at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.wrapIfNecessary(AbstractAutoProxyCreator.java:362)
    at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.postProcessAfterInitialization(AbstractAutoProxyCreator.java:322)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsAfterInitialization(AbstractAutowireCapableBeanFactory.java:409)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1488)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:521)
    ... 20 more
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'methodSecurityInterceptor' defined in class path resource [org/springframework/security/config/annotation/method/configuration/GlobalMethodSecurityConfiguration.class]: Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: An AuthenticationManager is required
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1482)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:521)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458)
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:295)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:292)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:198)
    at org.springframework.security.access.intercept.aopalliance.MethodSecurityMetadataSourceAdvisor.getAdvice(MethodSecurityMetadataSourceAdvisor.java:96)
    at org.springframework.aop.framework.CglibAopProxy$ProxyCallbackFilter.hashCode(CglibAopProxy.java:916)
    at org.springframework.cglib.proxy.Enhancer$EnhancerKey$$KeyFactoryByCGLIB$$4ce19e8f.hashCode(<generated>)
    at java.util.HashMap.hash(HashMap.java:366)
    at java.util.HashMap.getEntry(HashMap.java:466)
    at java.util.HashMap.get(HashMap.java:421)
    at org.springframework.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:199)
    at org.springframework.cglib.proxy.Enhancer.createHelper(Enhancer.java:377)
    at org.springframework.cglib.proxy.Enhancer.create(Enhancer.java:285)
    at org.springframework.aop.framework.CglibAopProxy.getProxy(CglibAopProxy.java:205)
    ... 27 more
Caused by: java.lang.IllegalArgumentException: An AuthenticationManager is required
    at org.springframework.util.Assert.notNull(Assert.java:112)
    at org.springframework.security.access.intercept.AbstractSecurityInterceptor.afterPropertiesSet(AbstractSecurityInterceptor.java:121)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1541)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1479)
    ... 43 more

Abr 16, 2014 8:57:42 PM org.apache.catalina.core.StandardContext listenerStart
Grave: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'privadoController' defined in file [/home/kleber/workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/webapp2/WEB-INF/classes/com/spring/webapp/lojavirtual/acesso/controller/PrivadoController.class]: Initialization of bean failed; nested exception is org.springframework.aop.framework.AopConfigException: Unexpected AOP exception; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'methodSecurityInterceptor' defined in class path resource [org/springframework/security/config/annotation/method/configuration/GlobalMethodSecurityConfiguration.class]: Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: An AuthenticationManager is required
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:529)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458)
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:295)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:292)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:628)
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:932)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:479)
    at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:389)
    at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:294)
    at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:112)
    at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4937)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5434)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
    at java.util.concurrent.FutureTask.run(FutureTask.java:262)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:744)
Caused by: org.springframework.aop.framework.AopConfigException: Unexpected AOP exception; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'methodSecurityInterceptor' defined in class path resource [org/springframework/security/config/annotation/method/configuration/GlobalMethodSecurityConfiguration.class]: Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: An AuthenticationManager is required
    at org.springframework.aop.framework.CglibAopProxy.getProxy(CglibAopProxy.java:224)
    at org.springframework.aop.framework.ProxyFactory.getProxy(ProxyFactory.java:111)
    at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.createProxy(AbstractAutoProxyCreator.java:477)
    at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.wrapIfNecessary(AbstractAutoProxyCreator.java:362)
    at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.postProcessAfterInitialization(AbstractAutoProxyCreator.java:322)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsAfterInitialization(AbstractAutowireCapableBeanFactory.java:409)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1488)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:521)
    ... 20 more
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'methodSecurityInterceptor' defined in class path resource [org/springframework/security/config/annotation/method/configuration/GlobalMethodSecurityConfiguration.class]: Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: An AuthenticationManager is required
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1482)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:521)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458)
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:295)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:292)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:198)
    at org.springframework.security.access.intercept.aopalliance.MethodSecurityMetadataSourceAdvisor.getAdvice(MethodSecurityMetadataSourceAdvisor.java:96)
    at org.springframework.aop.framework.CglibAopProxy$ProxyCallbackFilter.hashCode(CglibAopProxy.java:916)
    at org.springframework.cglib.proxy.Enhancer$EnhancerKey$$KeyFactoryByCGLIB$$4ce19e8f.hashCode(<generated>)
    at java.util.HashMap.hash(HashMap.java:366)
    at java.util.HashMap.getEntry(HashMap.java:466)
    at java.util.HashMap.get(HashMap.java:421)
    at org.springframework.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:199)
    at org.springframework.cglib.proxy.Enhancer.createHelper(Enhancer.java:377)
    at org.springframework.cglib.proxy.Enhancer.create(Enhancer.java:285)
    at org.springframework.aop.framework.CglibAopProxy.getProxy(CglibAopProxy.java:205)
    ... 27 more
Caused by: java.lang.IllegalArgumentException: An AuthenticationManager is required
    at org.springframework.util.Assert.notNull(Assert.java:112)
    at org.springframework.security.access.intercept.AbstractSecurityInterceptor.afterPropertiesSet(AbstractSecurityInterceptor.java:121)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1541)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1479)
    ... 43 more

Kleber Mota · Accepted Answer · 2014-04-18 20:13:28Z

So, after more search in the web, I finally get to this code for my CustomAuthenticationManager:

public class CustomAuthenticationManager implements AuthenticationManager {

    @Autowired
    private CustomAuthenticationProvider authenticationProvider;

    @Override
    public Authentication authenticate(Authentication authentication) throws AuthenticationException {
        System.out.println("CustomAuthenticationManager.authenticate");
        return authenticationProvider.authenticate(authentication);
    }

}

and add this class MethodSecurityConfig where I make reference to my CustomPermissionEvaluator:

@Configuration
@ComponentScan(value="com.spring.webapp.lojavirtual")
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class MethodSecurityConfig extends GlobalMethodSecurityConfiguration {

    protected MethodSecurityExpressionHandler createExpressionHandler() {
        System.out.println("MethodSecurityConfig.createExpressionHandler");
        DefaultMethodSecurityExpressionHandler expressionHandler = new DefaultMethodSecurityExpressionHandler();
        expressionHandler.setPermissionEvaluator(new CustomPermissionEvaluator());
        return expressionHandler;
    }

}

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