七、spring boot 1.5.4 集成shiro+cas，实现单点登录和权限控制

1.安装cas-server-3.5.2

官网：https://github.com/apereo/cas/releases/tag/v3.5.2

下载地址：cas-server-3.5.2-release.zip

安装参考文章：http://blog.csdn.net/xuxuchuan/article/details/54924933

注意：

输入 <tomcat_key> 的密钥口令

(如果和密钥库口令相同, 按回车) ,这里直接回车，也采用keystore密码changeit，否则tomcat启动报错！

2.配置ehcache缓存

<?xml version="1.0" encoding="UTF-8"?>
<ehcache updateCheck="false" name="shiroCache">

    <defaultCache
            maxElementsInMemory="10000"
            eternal="false"
            timeToIdleSeconds="120"
            timeToLiveSeconds="120"
            overflowToDisk="false"
            diskPersistent="false"
            diskExpiryThreadIntervalSeconds="120"
    />
</ehcache>

3.添加maven依赖

        <dependency>
            <groupId>org.apache.shiro</groupId>
            <artifactId>shiro-spring</artifactId>
            <version>1.2.4</version>
        </dependency>
        <dependency>
            <groupId>org.apache.shiro</groupId>
            <artifactId>shiro-ehcache</artifactId>
            <version>1.2.4</version>
        </dependency>
        <dependency>
            <groupId>org.apache.shiro</groupId>
            <artifactId>shiro-cas</artifactId>
            <version>1.2.4</version>
        </dependency>

4.启动类添加@ServletComponentScan注解

@ServletComponentScan
@SpringBootApplication
public class Application {

    public static void main(String[] args){
        SpringApplication.run(Application.class,args);
    }
}

5.配置shiro+cas

package com.hdwang.config.shiroCas;

import com.hdwang.dao.UserDao;
import org.apache.shiro.cache.ehcache.EhCacheManager;
import org.apache.shiro.cas.CasFilter;
import org.apache.shiro.cas.CasSubjectFactory;
import org.apache.shiro.spring.LifecycleBeanPostProcessor;
import org.apache.shiro.spring.security.interceptor.AuthorizationAttributeSourceAdvisor;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.filter.authc.LogoutFilter;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.jasig.cas.client.session.SingleSignOutFilter;
import org.jasig.cas.client.session.SingleSignOutHttpSessionListener;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.aop.framework.autoproxy.DefaultAdvisorAutoProxyCreator;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.ServletListenerRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.Ordered;
import org.springframework.web.filter.DelegatingFilterProxy;

import javax.servlet.Filter;
import javax.servlet.annotation.WebListener;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;

/**
 * Created by hdwang on 2017/6/20.
 * shiro+cas 配置
 */
@Configuration
public class ShiroCasConfiguration {

    private static final Logger logger = LoggerFactory.getLogger(ShiroCasConfiguration.class);

    // cas server地址
    public static final String casServerUrlPrefix = "https://localhost:8443/cas";
    // Cas登录页面地址
    public static final String casLoginUrl = casServerUrlPrefix + "/login";
    // Cas登出页面地址
    public static final String casLogoutUrl = casServerUrlPrefix + "/logout";
    // 当前工程对外提供的服务地址
    public static final String shiroServerUrlPrefix = "http://localhost:8081";
    // casFilter UrlPattern
    public static final String casFilterUrlPattern = "/cas";
    // 登录地址
    public static final String loginUrl = casLoginUrl + "?service=" + shiroServerUrlPrefix + casFilterUrlPattern;
    // 登出地址（casserver启用service跳转功能，需在webapps\cas\WEB-INF\cas.properties文件中启用cas.logout.followServiceRedirects=true）
    public static final String logoutUrl = casLogoutUrl+"?service="+shiroServerUrlPrefix;
    // 登录成功地址
    public static final String loginSuccessUrl = "/home";
    // 权限认证失败跳转地址
    public static final String unauthorizedUrl = "/error/403.html";


    @Bean
    public EhCacheManager getEhCacheManager() {
        EhCacheManager em = new EhCacheManager();
        em.setCacheManagerConfigFile("classpath:ehcache-shiro.xml");
        return em;
    }

    @Bean(name = "myShiroCasRealm")
    public MyShiroCasRealm myShiroCasRealm(EhCacheManager cacheManager) {
        MyShiroCasRealm realm = new MyShiroCasRealm();
        realm.setCacheManager(cacheManager);
        //realm.setCasServerUrlPrefix(ShiroCasConfiguration.casServerUrlPrefix);
        // 客户端回调地址
        //realm.setCasService(ShiroCasConfiguration.shiroServerUrlPrefix + ShiroCasConfiguration.casFilterUrlPattern);
        return realm;
    }

    /**
     * 注册单点登出listener
     * @return
     */
    @Bean
    public ServletListenerRegistrationBean singleSignOutHttpSessionListener(){
        ServletListenerRegistrationBean bean = new ServletListenerRegistrationBean();
        bean.setListener(new SingleSignOutHttpSessionListener());
//        bean.setName(""); //默认为bean name
        bean.setEnabled(true);
        //bean.setOrder(Ordered.HIGHEST_PRECEDENCE); //设置优先级
        return bean;
    }

    /**
     * 注册单点登出filter
     * @return
     */
    @Bean
    public FilterRegistrationBean singleSignOutFilter(){
        FilterRegistrationBean bean = new FilterRegistrationBean();
        bean.setName("singleSignOutFilter");
        bean.setFilter(new SingleSignOutFilter());
        bean.addUrlPatterns("/*");
        bean.setEnabled(true);
        //bean.setOrder(Ordered.HIGHEST_PRECEDENCE);
        return bean;
    }



    /**
     * 注册DelegatingFilterProxy（Shiro）
     *
     * @return
     * @author SHANHY
     * @create  2016年1月13日
     */
    @Bean
    public FilterRegistrationBean delegatingFilterProxy() {
        FilterRegistrationBean filterRegistration = new FilterRegistrationBean();
        filterRegistration.setFilter(new DelegatingFilterProxy("shiroFilter"));
        //  该值缺省为false,表示生命周期由SpringApplicationContext管理,设置为true则表示由ServletContainer管理
        filterRegistration.addInitParameter("targetFilterLifecycle", "true");
        filterRegistration.setEnabled(true);
        filterRegistration.addUrlPatterns("/*");
        return filterRegistration;
    }


    @Bean(name = "lifecycleBeanPostProcessor")
    public LifecycleBeanPostProcessor getLifecycleBeanPostProcessor() {
        return new LifecycleBeanPostProcessor();
    }

    @Bean
    public DefaultAdvisorAutoProxyCreator getDefaultAdvisorAutoProxyCreator() {
        DefaultAdvisorAutoProxyCreator daap = new DefaultAdvisorAutoProxyCreator();
        daap.setProxyTargetClass(true);
        return daap;
    }

    @Bean(name = "securityManager")
    public DefaultWebSecurityManager getDefaultWebSecurityManager(MyShiroCasRealm myShiroCasRealm) {
        DefaultWebSecurityManager dwsm = new DefaultWebSecurityManager();
        dwsm.setRealm(myShiroCasRealm);
//      <!-- 用户授权/认证信息Cache, 采用EhCache 缓存 -->
        dwsm.setCacheManager(getEhCacheManager());
        // 指定 SubjectFactory
        dwsm.setSubjectFactory(new CasSubjectFactory());
        return dwsm;
    }

    @Bean
    public AuthorizationAttributeSourceAdvisor getAuthorizationAttributeSourceAdvisor(DefaultWebSecurityManager securityManager) {
        AuthorizationAttributeSourceAdvisor aasa = new AuthorizationAttributeSourceAdvisor();
        aasa.setSecurityManager(securityManager);
        return aasa;
    }


    /**
     * CAS过滤器
     *
     * @return
     * @author SHANHY
     * @create  2016年1月17日
     */
    @Bean(name = "casFilter")
    public CasFilter getCasFilter() {
        CasFilter casFilter = new CasFilter();
        casFilter.setName("casFilter");
        casFilter.setEnabled(true);
        // 登录失败后跳转的URL，也就是 Shiro 执行 CasRealm 的 doGetAuthenticationInfo 方法向CasServer验证tiket
        casFilter.setFailureUrl(loginUrl);// 我们选择认证失败后再打开登录页面
        return casFilter;
    }

    /**
     * ShiroFilter<br/>
     * 注意这里参数中的 StudentService 和 IScoreDao 只是一个例子，因为我们在这里可以用这样的方式获取到相关访问数据库的对象，
     * 然后读取数据库相关配置，配置到 shiroFilterFactoryBean 的访问规则中。实际项目中，请使用自己的Service来处理业务逻辑。
     *
     * @param securityManager
     * @param casFilter
     * @param userDao
     * @return
     * @author SHANHY
     * @create  2016年1月14日
     */
    @Bean(name = "shiroFilter")
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(DefaultWebSecurityManager securityManager, CasFilter casFilter, UserDao userDao) {
        ShiroFilterFactoryBean shiroFilterFactoryBean = new ShiroFilterFactoryBean();
        // 必须设置 SecurityManager
        shiroFilterFactoryBean.setSecurityManager(securityManager);
        // 如果不设置默认会自动寻找Web工程根目录下的"/login.jsp"页面
        shiroFilterFactoryBean.setLoginUrl(loginUrl);
        // 登录成功后要跳转的连接
        shiroFilterFactoryBean.setSuccessUrl(loginSuccessUrl);
        shiroFilterFactoryBean.setUnauthorizedUrl(unauthorizedUrl);
        // 添加casFilter到shiroFilter中
        Map<String, Filter> filters = new HashMap<>();
        filters.put("casFilter", casFilter);
       // filters.put("logout",logoutFilter());
        shiroFilterFactoryBean.setFilters(filters);

        loadShiroFilterChain(shiroFilterFactoryBean, userDao);
        return shiroFilterFactoryBean;
    }

    /**
     * 加载shiroFilter权限控制规则（从数据库读取然后配置）,角色/权限信息由MyShiroCasRealm对象提供doGetAuthorizationInfo实现获取来的
     *
     * @author SHANHY
     * @create  2016年1月14日
     */
    private void loadShiroFilterChain(ShiroFilterFactoryBean shiroFilterFactoryBean, UserDao userDao){
        /////////////////////// 下面这些规则配置最好配置到配置文件中 ///////////////////////
        Map<String, String> filterChainDefinitionMap = new LinkedHashMap<String, String>();

        // authc：该过滤器下的页面必须登录后才能访问，它是Shiro内置的一个拦截器org.apache.shiro.web.filter.authc.FormAuthenticationFilter
        // anon: 可以理解为不拦截
        // user: 登录了就不拦截
        // roles["admin"] 用户拥有admin角色
        // perms["permission1"] 用户拥有permission1权限
        // filter顺序按照定义顺序匹配，匹配到就验证，验证完毕结束。
        // url匹配通配符支持：? * **,分别表示匹配1个，匹配0-n个（不含子路径），匹配下级所有路径

        //1.shiro集成cas后，首先添加该规则
        filterChainDefinitionMap.put(casFilterUrlPattern, "casFilter");
        //filterChainDefinitionMap.put("/logout","logout"); //logut请求采用logout filter

        //2.不拦截的请求
        filterChainDefinitionMap.put("/css/**","anon");
        filterChainDefinitionMap.put("/js/**","anon");
        filterChainDefinitionMap.put("/login", "anon");
        filterChainDefinitionMap.put("/logout","anon");
        filterChainDefinitionMap.put("/error","anon");
        //3.拦截的请求（从本地数据库获取或者从casserver获取(webservice,http等远程方式)，看你的角色权限配置在哪里）
        filterChainDefinitionMap.put("/user", "authc"); //需要登录
        filterChainDefinitionMap.put("/user/add/**", "authc,roles[admin]"); //需要登录，且用户角色为admin
        filterChainDefinitionMap.put("/user/delete/**", "authc,perms[\"user:delete\"]"); //需要登录，且用户有权限为user:delete

        //4.登录过的不拦截
        filterChainDefinitionMap.put("/**", "user");

        shiroFilterFactoryBean.setFilterChainDefinitionMap(filterChainDefinitionMap);
    }

}

package com.hdwang.config.shiroCas;

import javax.annotation.PostConstruct;

import com.hdwang.dao.UserDao;
import com.hdwang.entity.User;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.AuthenticationInfo;
import org.apache.shiro.authc.AuthenticationToken;
import org.apache.shiro.authz.AuthorizationInfo;
import org.apache.shiro.authz.SimpleAuthorizationInfo;
import org.apache.shiro.cas.CasRealm;
import org.apache.shiro.subject.PrincipalCollection;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;

import java.util.HashSet;
import java.util.Set;

/**
 * Created by hdwang on 2017/6/20.
 * 安全数据源
 */
public class MyShiroCasRealm extends CasRealm{

    private static final Logger logger = LoggerFactory.getLogger(MyShiroCasRealm.class);

    @Autowired
    private UserDao userDao;

    @PostConstruct
    public void initProperty(){
//      setDefaultRoles("ROLE_USER");
        setCasServerUrlPrefix(ShiroCasConfiguration.casServerUrlPrefix);
        // 客户端回调地址
        setCasService(ShiroCasConfiguration.shiroServerUrlPrefix + ShiroCasConfiguration.casFilterUrlPattern);
    }

//    /**
//     * 1、CAS认证 ,验证用户身份
//     * 2、将用户基本信息设置到会话中(不用了，随时可以获取的)
//     */
//    @Override
//    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) {
//
//        AuthenticationInfo authc = super.doGetAuthenticationInfo(token);
//
//        String account = (String) authc.getPrincipals().getPrimaryPrincipal();
//
//        User user = userDao.getByName(account);
//        //将用户信息存入session中
//        SecurityUtils.getSubject().getSession().setAttribute("user", user);
//
//        return authc;
//    }

    /**
     * 权限认证，为当前登录的Subject授予角色和权限
     * @see 经测试：本例中该方法的调用时机为需授权资源被访问时
     * @see 经测试：并且每次访问需授权资源时都会执行该方法中的逻辑，这表明本例中默认并未启用AuthorizationCache
     * @see 经测试：如果连续访问同一个URL（比如刷新），该方法不会被重复调用，Shiro有一个时间间隔（也就是cache时间，在ehcache-shiro.xml中配置），超过这个时间间隔再刷新页面，该方法会被执行
     */
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
        logger.info("##################执行Shiro权限认证##################");
        //获取当前登录输入的用户名，等价于(String) principalCollection.fromRealm(getName()).iterator().next();
        String loginName = (String)super.getAvailablePrincipal(principalCollection);

        //到数据库查是否有此对象(1.本地查询 2.可以远程查询casserver 3.可以由casserver带过来角色／权限其它信息)
        User user=userDao.getByName(loginName);// 实际项目中，这里可以根据实际情况做缓存，如果不做，Shiro自己也是有时间间隔机制，2分钟内不会重复执行该方法
        if(user!=null){
            //权限信息对象info,用来存放查出的用户的所有的角色（role）及权限（permission）
            SimpleAuthorizationInfo info=new SimpleAuthorizationInfo();
            //给用户添加角色（让shiro去验证）
            Set<String> roleNames = new HashSet<>();
            if(user.getName().equals("boy5")){
                roleNames.add("admin");
            }
            info.setRoles(roleNames);

            if(user.getName().equals("李四")){
                //给用户添加权限（让shiro去验证）
                info.addStringPermission("user:delete");
            }


            // 或者按下面这样添加
            //添加一个角色,不是配置意义上的添加,而是证明该用户拥有admin角色
//            simpleAuthorInfo.addRole("admin");
            //添加权限
//            simpleAuthorInfo.addStringPermission("admin:manage");
//            logger.info("已为用户[mike]赋予了[admin]角色和[admin:manage]权限");
            return info;
        }
        // 返回null的话，就会导致任何用户访问被拦截的请求时，都会自动跳转到unauthorizedUrl指定的地址
        return null;
    }

}

package com.hdwang.controller;

import com.hdwang.config.shiroCas.ShiroCasConfiguration;
import com.hdwang.entity.User;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

import javax.servlet.http.HttpSession;

/**
 * Created by hdwang on 2017/6/21.
 * 跳转至cas server去登录（一个入口）
 */
@Controller
@RequestMapping("")
public class CasLoginController {

    /**
     * 一般用不到
     * @param model
     * @return
     */
    @RequestMapping(value="/login",method= RequestMethod.GET)
    public String loginForm(Model model){
        model.addAttribute("user", new User());
//      return "login";
        return "redirect:" + ShiroCasConfiguration.loginUrl;
    }


    @RequestMapping(value = "logout", method = { RequestMethod.GET,
            RequestMethod.POST })
    public String loginout(HttpSession session)
    {
        return "redirect:"+ShiroCasConfiguration.logoutUrl;
    }
}

package com.hdwang.controller;

import com.alibaba.fastjson.JSONObject;
import com.hdwang.entity.User;
import com.hdwang.service.datajpa.UserService;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.mgt.SecurityManager;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

/**
 * Created by hdwang on 2017/6/19.
 */
@Controller
@RequestMapping("/home")
public class HomeController {

    @Autowired
    UserService userService;

    @RequestMapping("")
    public String index(HttpSession session, ModelMap map, HttpServletRequest request){
//        User user = (User) session.getAttribute("user");

        System.out.println(request.getUserPrincipal().getName());
        System.out.println(SecurityUtils.getSubject().getPrincipal());

        User loginUser = userService.getLoginUser();
        System.out.println(JSONObject.toJSONString(loginUser));

        map.put("user",loginUser);
        return "home";
    }



}