SpringBoot2.0整合Shiro框架实现用户权限管理的示例

<dependency>
  <groupId>org.apache.shiro</groupId>
  <artifactId>shiro-core</artifactId>
  <version>1.4.0</version>
</dependency>
<dependency>
  <groupId>org.apache.shiro</groupId>
  <artifactId>shiro-spring</artifactId>
  <version>1.4.0</version>
</dependency>

@Configuration
public class ShiroConfig {
  /**
   * Session Manager：会话管理
   * 即用户登录后就是一次会话，在没有退出之前，它的所有信息都在会话中；
   * 会话可以是普通JavaSE环境的，也可以是如Web环境的；
   */
  @Bean("sessionManager")
  public SessionManager sessionManager(){
    DefaultWebSessionManager sessionManager = new DefaultWebSessionManager();
    //设置session过期时间
    sessionManager.setGlobalSessionTimeout(60 * 60 * 1000);
    sessionManager.setSessionValidationSchedulerEnabled(true);
    // 去掉shiro登录时url里的JSESSIONID
    sessionManager.setSessionIdUrlRewritingEnabled(false);
    return sessionManager;
  }

  /**
   * SecurityManager：安全管理器
   */
  @Bean("securityManager")
  public SecurityManager securityManager(UserRealm userRealm, SessionManager sessionManager) {
    DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
    securityManager.setSessionManager(sessionManager);
    securityManager.setRealm(userRealm);
    return securityManager;
  }
  /**
   * ShiroFilter是整个Shiro的入口点，用于拦截需要安全控制的请求进行处理
   */
  @Bean("shiroFilter")
  public ShiroFilterFactoryBean shiroFilter(SecurityManager securityManager) {
    ShiroFilterFactoryBean shiroFilter = new ShiroFilterFactoryBean();
    shiroFilter.setSecurityManager(securityManager);
    shiroFilter.setLoginUrl("/userLogin");
    shiroFilter.setUnauthorizedUrl("/");
    Map<String, String> filterMap = new LinkedHashMap<>();
    filterMap.put("/userLogin", "anon");
    shiroFilter.setFilterChainDefinitionMap(filterMap);
    return shiroFilter;
  }
  /**
   * 管理Shiro中一些bean的生命周期
   */
  @Bean("lifecycleBeanPostProcessor")
  public LifecycleBeanPostProcessor lifecycleBeanPostProcessor() {
    return new LifecycleBeanPostProcessor();
  }
  /**
   * 扫描上下文，寻找所有的Advistor(通知器）
   * 将这些Advisor应用到所有符合切入点的Bean中。
   */
  @Bean
  public DefaultAdvisorAutoProxyCreator defaultAdvisorAutoProxyCreator() {
    DefaultAdvisorAutoProxyCreator proxyCreator = new DefaultAdvisorAutoProxyCreator();
    proxyCreator.setProxyTargetClass(true);
    return proxyCreator;
  }
  /**
   * 匹配所有加了 Shiro 认证注解的方法
   */
  @Bean
  public AuthorizationAttributeSourceAdvisor authorizationAttributeSourceAdvisor(SecurityManager securityManager) {
    AuthorizationAttributeSourceAdvisor advisor = new AuthorizationAttributeSourceAdvisor();
    advisor.setSecurityManager(securityManager);
    return advisor;
  }
}

@Component
public class UserRealm extends AuthorizingRealm {
  @Resource
  private SysUserMapper sysUserMapper ;
  @Resource
  private SysMenuMapper sysMenuMapper ;
  /**
   * 授权(验证权限时调用)
   * 获取用户权限集合
   */
  @Override
  public AuthorizationInfo doGetAuthorizationInfo
  (PrincipalCollection principals) {
    SysUserEntity user = (SysUserEntity)principals.getPrimaryPrincipal();
    if(user == null) {
      throw new UnknownAccountException("账号不存在");
    }
    List<String> permsList;
    //默认用户拥有最高权限
    List<SysMenuEntity> menuList = sysMenuMapper.selectList();
    permsList = new ArrayList<>(menuList.size());
    for(SysMenuEntity menu : menuList){
      permsList.add(menu.getPerms());
    }
    //用户权限列表
    Set<String> permsSet = new HashSet<>();
    for(String perms : permsList){
      if(StringUtils.isEmpty(perms)){
        continue;
      }
      permsSet.addAll(Arrays.asList(perms.trim().split(",")));
    }
    SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();
    info.setStringPermissions(permsSet);
    return info;
  }
  /**
   * 认证(登录时调用)
   * 验证用户登录
   */
  @Override
  protected AuthenticationInfo doGetAuthenticationInfo(
      AuthenticationToken authToken) throws AuthenticationException {
    UsernamePasswordToken token = (UsernamePasswordToken)authToken;
    //查询用户信息
    SysUserEntity user = sysUserMapper.selectOne(token.getUsername());
    //账号不存在
    if(user == null) {
      throw new UnknownAccountException("账号或密码不正确");
    }
    //账号锁定
    if(user.getStatus() == 0){
      throw new LockedAccountException("账号已被锁定,请联系管理员");
    }
    SimpleAuthenticationInfo info = new SimpleAuthenticationInfo
        (user, user.getPassword(),
            ByteSource.Util.bytes(user.getSalt()),
            getName());
    return info;
  }
  @Override
  public void setCredentialsMatcher(CredentialsMatcher credentialsMatcher) {
    HashedCredentialsMatcher shaCredentialsMatcher = new HashedCredentialsMatcher();
    shaCredentialsMatcher.setHashAlgorithmName(ShiroUtils.hashAlgorithmName);
    shaCredentialsMatcher.setHashIterations(ShiroUtils.hashIterations);
    super.setCredentialsMatcher(shaCredentialsMatcher);
  }
}

public class ShiroUtils {
  /** 加密算法 */
  public final static String hashAlgorithmName = "SHA-256";
  /** 循环次数 */
  public final static int hashIterations = 16;
  public static String sha256(String password, String salt) {
    return new SimpleHash(hashAlgorithmName, password, salt, hashIterations).toString();
  }
  // 获取一个测试账号 admin
  public static void main(String[] args) {
    // 3743a4c09a17e6f2829febd09ca54e627810001cf255ddcae9dabd288a949c4a
    System.out.println(sha256("admin","123")) ;
  }
  /**
   * 获取会话
   */
  public static Session getSession() {
    return SecurityUtils.getSubject().getSession();
  }
  /**
   * Subject：主体，代表了当前“用户”
   */
  public static Subject getSubject() {
    return SecurityUtils.getSubject();
  }
  public static SysUserEntity getUserEntity() {
    return (SysUserEntity)SecurityUtils.getSubject().getPrincipal();
  }
  public static Long getUserId() {
    return getUserEntity().getUserId();
  }
  public static void setSessionAttribute(Object key, Object value) {
    getSession().setAttribute(key, value);
  }
  public static Object getSessionAttribute(Object key) {
    return getSession().getAttribute(key);
  }
  public static boolean isLogin() {
    return SecurityUtils.getSubject().getPrincipal() != null;
  }
  public static void logout() {
    SecurityUtils.getSubject().logout();
  }
}
5、自定义权限异常提示
@RestControllerAdvice
public class ShiroException {
  @ExceptionHandler(AuthorizationException.class)
  public String authorizationException (){
    return "抱歉您没有权限访问该内容!";
  }
  @ExceptionHandler(Exception.class)
  public String handleException(Exception e){
    return "系统异常!";
  }
}

@RestController
public class ShiroController {
  private static Logger LOGGER = LoggerFactory.getLogger(ShiroController.class) ;
  @Resource
  private SysMenuMapper sysMenuMapper ;
  /**
   * 登录测试
   * http://localhost:7011/userLogin?userName=admin&passWord=admin
   */
  @RequestMapping("/userLogin")
  public void userLogin (
      @RequestParam(value = "userName") String userName,
      @RequestParam(value = "passWord") String passWord){
    try{
      Subject subject = ShiroUtils.getSubject();
      UsernamePasswordToken token = new UsernamePasswordToken(userName, passWord);
      subject.login(token);
      LOGGER.info("登录成功");
    }catch (Exception e) {
      e.printStackTrace();
    }
  }
  /**
   * 服务器每次重启请求该接口之前必须先请求上面登录接口
   * http://localhost:7011/menu/list 获取所有菜单列表
   * 权限要求：sys:user:shiro
   */
  @RequestMapping("/menu/list")
  @RequiresPermissions("sys:user:shiro")
  public List list(){
    return sysMenuMapper.selectList() ;
  }
  /**
   * 用户没有该权限，无法访问
   * 权限要求：ccc:ddd:bbb
   */
  @RequestMapping("/menu/list2")
  @RequiresPermissions("ccc:ddd:bbb")
  public List list2(){
    return sysMenuMapper.selectList() ;
  }
  /**
   * 退出测试，退出后没有任何权限
   */
  @RequestMapping("/userLogOut")
  public String logout (){
    ShiroUtils.logout();
    return "success" ;
  }
}