<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>    

@SpringBootApplication
public class Application {
  /**
   * main function
   * @param args params
   */
  public static void main(String[] args){
    ConfigurableApplicationContext context = SpringApplication.run(Application.class,args);
    //test if a xml bean inject into springcontext successful
    User user = (User)context.getBean("user1");
    System.out.println(JSONObject.toJSONString(user));
  }
}

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登錄頁面地址
  public static final String casLoginUrl = casServerUrlPrefix + "/login";
  // Cas登出頁面地址
  public static final String casLogoutUrl = casServerUrlPrefix + "/logout";
  // 當前工程對外提供的服務地址
  public static final String shiroServerUrlPrefix = "http://localhost:8081";
  // casFilter UrlPattern
  public static final String casFilterUrlPattern = "/cas";
  // 登錄地址
  public static final String loginUrl = casLoginUrl + "?service=" + shiroServerUrlPrefix + casFilterUrlPattern;
  // 登出地址
  public static final String logoutUrl = casLogoutUrl+"?service="+shiroServerUrlPrefix;
  // 登錄成功地址
  public static final String loginSuccessUrl = "/home";
  // 權限認證失敗跳轉地址
  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);
    // 客戶端回調地址
    //realm.setCasService(ShiroCasConfiguration.shiroServerUrlPrefix + ShiroCasConfiguration.casFilterUrlPattern);
    return realm;
  }
  /**
   * 注冊單點登出listener
   * @return
   */
  @Bean
  public ServletListenerRegistrationBean singleSignOutHttpSessionListener(){
    ServletListenerRegistrationBean bean = new ServletListenerRegistrationBean();
    bean.setListener(new SingleSignOutHttpSessionListener());
//    bean.setName(""); //默認為bean name
    bean.setEnabled(true);
    //bean.setOrder(Ordered.HIGHEST_PRECEDENCE); //設置優先級
    return bean;
  }
  /**
   * 注冊單點登出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;
  }
  /**
   * 注冊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"));
    // 該值缺省為false,表示生命周期由SpringApplicationContext管理,設置為true則表示由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);
//   <!-- 用戶授權/認證信息Cache, 采用EhCache 緩存 -->
    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過濾器
   *
   * @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);
    // 登錄失敗后跳轉的URL，也就是 Shiro 執行 CasRealm 的 doGetAuthenticationInfo 方法向CasServer驗證tiket
    casFilter.setFailureUrl(loginUrl);// 我們選擇認證失敗后再打開登錄頁面
    return casFilter;
  }
  /**
   * ShiroFilter<br/>
   * 注意這里參數中的 StudentService 和 IScoreDao 只是一個例子，因為我們在這里可以用這樣的方式獲取到相關訪問數據庫的對象，
   * 然后讀取數據庫相關配置，配置到 shiroFilterFactoryBean 的訪問規則中。實際項目中，請使用自己的Service來處理業務邏輯。
   *
   * @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();
    // 必須設置 SecurityManager
    shiroFilterFactoryBean.setSecurityManager(securityManager);
    // 如果不設置默認會自動尋找Web工程根目錄下的"/login.jsp"頁面
    shiroFilterFactoryBean.setLoginUrl(loginUrl);
    // 登錄成功后要跳轉的連接
    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;
  }
  /**
   * 加載shiroFilter權限控制規則（從數據庫讀取然后配置）,角色/權限信息由MyShiroCasRealm對象提供doGetAuthorizationInfo實現獲取來的
   *
   * @author SHANHY
   * @create 2016年1月14日
   */
  private void loadShiroFilterChain(ShiroFilterFactoryBean shiroFilterFactoryBean, UserDao userDao){
    /////////////////////// 下面這些規則配置最好配置到配置文件中 ///////////////////////
    Map<String, String> filterChainDefinitionMap = new LinkedHashMap<String, String>();
    // authc：該過濾器下的頁面必須登錄后才能訪問，它是Shiro內置的一個攔截器org.apache.shiro.web.filter.authc.FormAuthenticationFilter
    // anon: 可以理解為不攔截
    // user: 登錄了就不攔截
    // roles["admin"] 用戶擁有admin角色
    // perms["permission1"] 用戶擁有permission1權限
    // filter順序按照定義順序匹配，匹配到就驗證，驗證完畢結束。
    // url匹配通配符支持：? * **,分別表示匹配1個，匹配0-n個（不含子路徑），匹配下級所有路徑
    //1.shiro集成cas后，首先添加該規則
    filterChainDefinitionMap.put(casFilterUrlPattern, "casFilter");
    //filterChainDefinitionMap.put("/logout","logout"); //logut請求采用logout filter
    //2.不攔截的請求
    filterChainDefinitionMap.put("/css/**","anon");
    filterChainDefinitionMap.put("/js/**","anon");
    filterChainDefinitionMap.put("/login", "anon");
    filterChainDefinitionMap.put("/logout","anon");
    filterChainDefinitionMap.put("/error","anon");
    //3.攔截的請求（從本地數據庫獲取或者從casserver獲取(webservice,http等遠程方式)，看你的角色權限配置在哪里）
    filterChainDefinitionMap.put("/user", "authc"); //需要登錄
    filterChainDefinitionMap.put("/user/add/**", "authc,roles[admin]"); //需要登錄，且用戶角色為admin
    filterChainDefinitionMap.put("/user/delete/**", "authc,perms[\"user:delete\"]"); //需要登錄，且用戶有權限為user:delete
    //4.登錄過的不攔截
    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.
 * 安全數據源
 */
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);
    // 客戶端回調地址
    setCasService(ShiroCasConfiguration.shiroServerUrlPrefix + ShiroCasConfiguration.casFilterUrlPattern);
  }
//  /**
//   * 1、CAS認證 ,驗證用戶身份
//   * 2、將用戶基本信息設置到會話中(不用了，隨時可以獲取的)
//   */
//  @Override
//  protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) {
//
//    AuthenticationInfo authc = super.doGetAuthenticationInfo(token);
//
//    String account = (String) authc.getPrincipals().getPrimaryPrincipal();
//
//    User user = userDao.getByName(account);
//    //將用戶信息存入session中
//    SecurityUtils.getSubject().getSession().setAttribute("user", user);
//
//    return authc;
//  }
  /**
   * 權限認證，為當前登錄的Subject授予角色和權限
   * @see 經測試：本例中該方法的調用時機為需授權資源被訪問時
   * @see 經測試：并且每次訪問需授權資源時都會執行該方法中的邏輯，這表明本例中默認并未啟用AuthorizationCache
   * @see 經測試：如果連續訪問同一個URL（比如刷新），該方法不會被重復調用，Shiro有一個時間間隔（也就是cache時間，在ehcache-shiro.xml中配置），超過這個時間間隔再刷新頁面，該方法會被執行
   */
  @Override
  protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
    logger.info("##################執行Shiro權限認證##################");
    //獲取當前登錄輸入的用戶名，等價于(String) principalCollection.fromRealm(getName()).iterator().next();
    String loginName = (String)super.getAvailablePrincipal(principalCollection);
    //到數據庫查是否有此對象(1.本地查詢 2.可以遠程查詢casserver 3.可以由casserver帶過來角色／權限其它信息)
    User user=userDao.getByName(loginName);// 實際項目中，這里可以根據實際情況做緩存，如果不做，Shiro自己也是有時間間隔機制，2分鐘內不會重復執行該方法
    if(user!=null){
      //權限信息對象info,用來存放查出的用戶的所有的角色（role）及權限（permission）
      SimpleAuthorizationInfo info=new SimpleAuthorizationInfo();
      //給用戶添加角色（讓shiro去驗證）
      Set<String> roleNames = new HashSet<>();
      if(user.getName().equals("boy5")){
        roleNames.add("admin");
      }
      info.setRoles(roleNames);
      if(user.getName().equals("李四")){
        //給用戶添加權限（讓shiro去驗證）
        info.addStringPermission("user:delete");
      }
      // 或者按下面這樣添加
      //添加一個角色,不是配置意義上的添加,而是證明該用戶擁有admin角色
//      simpleAuthorInfo.addRole("admin");
      //添加權限
//      simpleAuthorInfo.addStringPermission("admin:manage");
//      logger.info("已為用戶[mike]賦予了[admin]角色和[admin:manage]權限");
      return info;
    }
    // 返回null的話，就會導致任何用戶訪問被攔截的請求時，都會自動跳轉到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.
 * 跳轉至cas server去登錄（一個入口）
 */
@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";
  }
}