SpringBoot整合shiro

        
            org.apache.shiro
            shiro-spring
            1.4.1
        

import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.apache.shiro.web.servlet.ShiroFilter;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.linkedHashMap;
import java.util.Map;

@Configuration
public class ShiroConfig {
    //ShiroFilterFactory
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("securityManager") DefaultWebSecurityManager defaultWebSecurityManager){
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        bean.setSecurityManager(defaultWebSecurityManager);

        //添加shiro的内置过滤器
        
        //登录拦截
        Map filterMap = new linkedHashMap<>();
        //拦截  填写对应的路径 
        filterMap.put("/user
//自定义的UserRealm  extends  AuthorizingRealm
public class UserRealm  extends AuthorizingRealm {
    @Autowired
    UserService userService;

    //授权
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
        SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();
        info.addStringPermission("0"); //填写权限

        //拿到当前登录的这个对象  该对象在认证内return里存入user对象，在此拿到值
        Subject subject = SecurityUtils.getSubject();
        User currentUser = (User) subject.getPrincipal(); //拿到user对象
        

        //设置用户权限
        info.addStringPermission(currentUser.getEmail());
        return info;
    }

    //认证
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {

        UsernamePasswordToken userToken = (UsernamePasswordToken) token;
        //和数据库交互
        User user = userService.queryUserByEmail(userToken.getUsername());
        if(user == null){ //查无此人
            return null;
        }

        //存入session
        Subject currentSubject = SecurityUtils.getSubject();
        Session session = currentSubject.getSession();
        session.setAttribute("loginUser",user);

        //可以加密  MD5加密  MD5盐值加密
        //密码认证  shiro去做  密码加密
        return new SimpleAuthenticationInfo(user,user.getPassword(),"");
    }
}