springboot_shiro与shiro.ini文件

package com.book.app.utils;

import java.util.LinkedHashMap;
import java.util.Map;

import org.apache.shiro.authc.credential.HashedCredentialsMatcher;
import org.apache.shiro.spring.LifecycleBeanPostProcessor;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.DependsOn;

/**
*
* 功能：shiro和springboot的整合相当于shiro.ini文件
* 作者：张
* 2018年10月18日上午10:18:35
*/
@Configuration
public class ShiroConfiguration {

/**
* LifecycleBeanPostProcessor，这是个DestructionAwareBeanPostProcessor的子类，
* 负责org.apache.shiro.util.Initializable类型bean的生命周期的，初始化和销毁。
* 主要是AuthorizingRealm类的子类，以及EhCacheManager类。
*/
@Bean(name = "lifecycleBeanPostProcessor")
public LifecycleBeanPostProcessor lifecycleBeanPostProcessor() {
return new LifecycleBeanPostProcessor();
}

/**
* HashedCredentialsMatcher，这个类是为了对密码进行编码的，
* 防止密码在数据库里明码保存，当然在登陆认证的时候，
* 这个类也负责对form里输入的密码进行编码。
*/
@Bean(name = "hashedCredentialsMatcher")
public HashedCredentialsMatcher hashedCredentialsMatcher() {
HashedCredentialsMatcher credentialsMatcher = new HashedCredentialsMatcher();
credentialsMatcher.setHashAlgorithmName("MD5");
credentialsMatcher.setHashIterations(2);
credentialsMatcher.setStoredCredentialsHexEncoded(true);
return credentialsMatcher;
}

/**ShiroRealm，这是个自定义的认证类，继承自AuthorizingRealm，
* 负责用户的认证和权限的处理，可以参考JdbcRealm的实现。
*/
@Bean
@DependsOn("lifecycleBeanPostProcessor")
public MyRealm shiroRealm() {
return new MyRealm();
}

/**
* SecurityManager，权限管理，这个类组合了登陆，登出，权限，session的处理，是个比较重要的类。
*/
@Bean(name = "securityManager")
public DefaultWebSecurityManager securityManager() {
DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
securityManager.setRealm(shiroRealm());
return securityManager;
}

/**
* ShiroFilterFactoryBean，是个factorybean，为了生成ShiroFilter。
* 它主要保持了三项数据，securityManager，filters，filterChainDefinitionManager。
*/
@Bean(name = "shiroFilter")
public ShiroFilterFactoryBean shiroFilterFactoryBean() {
ShiroFilterFactoryBean shiroFilterFactoryBean = new ShiroFilterFactoryBean();
shiroFilterFactoryBean.setSecurityManager(securityManager());
Map<String, String> filterChainDefinitionManager = new LinkedHashMap<String, String>();
filterChainDefinitionManager.put("/jquery/**", "anon");
filterChainDefinitionManager.put("/login", "anon");
// filterChainDefinitionManager.put("/**", "anon");
filterChainDefinitionManager.put("/**", "authc");
shiroFilterFactoryBean.setFilterChainDefinitionMap(filterChainDefinitionManager);
return shiroFilterFactoryBean;
}

}