Apache Shrio安全框架实现原理及实例详解

<!--shiro和spring整合-->
    <dependency>
      <groupId>org.apache.shiro</groupId>
      <artifactId>shiro-spring</artifactId>
      <version>1.3.2</version>
    </dependency>

<filter>
    <filter-name>shiroFilter</filter-name>
    <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
    <init-param>
      <param-name>targetFilterLifecycle</param-name>
      <param-value>true</param-value>
    </init-param>
  </filter>
  <filter-mapping>
    <filter-name>shiroFilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:jdbc="http://www.springframework.org/schema/jdbc" xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:task="http://www.springframework.org/schema/task"
    xsi:schemaLocation="
    http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
    http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd
    http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
    http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc.xsd
    http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">
  <!--安全管理器,需要注入realm域,如果有缓存配置,还需要注入缓存管理器-->
  <bean id="securityManager" class="org.apache.shiro.web.mgt.DefaultWebSecurityManager">
    <!--引用自定义的realm -->
    <property name="realm" ref="authRealm"/>
    <!--引入缓存管理器-->
    <property name="cacheManager" ref="cacheManager"/>
  </bean>

  <!-- 自定义Realm域的编写 -->
  <bean id="authRealm" class="com.itheima.web.shiro.AuthRealm">
    <!-- 注入自定义的密码比较器 -->
    <property name="credentialsMatcher" ref="customerCredentialsMatcher"></property>
  </bean>

  <!-- 自定义的密码比较器 -->
  <bean id="customerCredentialsMatcher" class="com.itheima.web.shiro.CustomCredentialsMatcher"></bean>

  <!--缓存配置-->
  <!--内置(windows)缓存配置:MemoryConstrainedCacheManager-->
  <bean id="cacheManager" class="org.apache.shiro.cache.MemoryConstrainedCacheManager"></bean>

  <!-- filter-name这个名字的值来自于web.xml中filter的名字 -->
  <bean id="shiroFilter" class="org.apache.shiro.spring.web.ShiroFilterFactoryBean">
    <property name="securityManager" ref="securityManager"/>
    <!--登录页面 -->
    <property name="loginUrl" value="/login.jsp"></property>
    <!-- 登录失败后 -->
    <property name="unauthorizedUrl" value="/unauthorized.jsp"></property>

    <property name="filterChainDefinitions">
      <!-- /**代表下面的多级目录也过滤 -->
      <value>
        /system/module/list.do = perms["模块管理"]<!--路径和模块名称一定要和数据库表中存储的数据一致-->
        /index.jsp* = anon<!--anon 不登录也可以访问的资源-->
        /login.jsp* = anon
        /login* = anon
        /logout* = anon
        /css/** = anon
        /img/** = anon
        /plugins/** = anon
        /make/** = anon
        /** = authc
      </value>
    </property>
  </bean>

  <!-- 保证实现了Shiro内部lifecycle函数的bean执行 -->
  <bean id="lifecycleBeanPostProcessor" class="org.apache.shiro.spring.LifecycleBeanPostProcessor"/>

  <!-- 生成代理，通过代理进行控制 -->
  <bean class="org.springframework.aop.framework.autoproxy.DefaultAdvisorAutoProxyCreator"
     depends-on="lifecycleBeanPostProcessor">
    <property name="proxyTargetClass" value="true"/>
  </bean>

  <!-- 安全管理器 -->
  <bean class="org.apache.shiro.spring.security.interceptor.AuthorizationAttributeSourceAdvisor">
    <property name="securityManager" ref="securityManager"/>
  </bean>

  <!--支持Shiro注解配置-->
  <aop:aspectj-autoproxy proxy-target-class="true"/>

</beans>