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Springboot 整合shiro实现权限控制的方法

作者:只写有用的blog  发布时间:2021-09-21 20:15:47 

标签:Springboot,权限控制,shiro

Author:jeffrey

Date:2019-04-08

一、开发环境:

1、mysql - 5.7
2、navicat(mysql客户端管理工具)
3、idea 2017.2
4、jdk8
5、tomcat 8.5
6、springboot2.1.3
7、mybatis 3
8、shiro1.4
9、maven3.3.9

二、数据库设计

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三、创建springboot项目

 3.1 添加组件

添加 web、lombok、thymeleaf、jdbc、mysql、mybatis等模块;

3.2 pom.xml


<parent>
 <groupId>org.springframework.boot</groupId>
 <artifactId>spring-boot-starter-parent</artifactId>
 <version>2.1.4.RELEASE</version>
 <relativePath/> <!-- lookup parent from repository -->
</parent>

<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>2.0.1</version>
</dependency>
<!--配置shiro依赖包-->
<dependency>
<groupId>org.apache.shiro</groupId>
<artifactId>shiro-spring</artifactId>
<version>1.4.0</version>
</dependency>
<!--配置数据库连接池依赖-->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.0.26</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.32</version>
</dependency>
<!--配置lombok插件-->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>

<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>

3.3 创建项目包结构

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3.4 配置初始化文件application.yml


#配置服务端口号
server:
port: 8080
#配置数据源
spring:
datasource:
type: com.alibaba.druid.pool.DruidDataSource
driver-class-name: com.mysql.jdbc.Driver
url: jdbc:mysql://localhost:3306/my_shiro?useUnicode=true&characterEncoding=utf-8
username: root
password: 59852369
#配置mybatis
mybatis:
mapper-locations: classpath:mapper/*.xml
type-aliases-package: com.qf.domain.pojo

四、程序设计开发

4.1 实体类开发

SysUser.java


package com.qf.domain;

import lombok.Data;

import java.io.Serializable;
import java.util.Date;
/**
* Created by 54110 on 2019-07-05.
*/
@Data
public class SysUser implements Serializable {
private int userId;//用户id
private String loginName;//登录名
private String password;//
private Integer state;
private Date createTime;
private String realname;

}

SysPermission.java


package com.qf.domain;

import lombok.Data;

import java.io.Serializable;

/**
* Created by 54110 on 2019-07-05.
*/
@Data
public class SysPermission implements Serializable {
private int permId;
private String permName;//权限名称
private String permUrl;//权限操作地址(路径)
private String menuName;//菜单名
private String menuLevel;//菜单级别(11:一级;12:二级。。。)
private String menuCode;//菜单编码(每级两位数字)
private int ifValid;
private String parentCode;
}

4.2 数据访问层接口开发

SysUserMapper.java


package com.qf.mapper;

import com.qf.domain.SysUser;
import org.apache.ibatis.annotations.Mapper;

/**
* Created by 54110 on 2019-07-05.
*/
@Mapper
public interface SysUserMapper {
public SysUser findUserByUsername(String username);
}

SysPermissionMapper


package com.qf.mapper;

import com.qf.domain.SysPermission;
import org.apache.ibatis.annotations.Mapper;

import java.util.List;

/**
* Created by 54110 on 2019-07-05.
*/
@Mapper
public interface SysPermissionMapper {
//根据用户登录名查询其所拥有的权限
public List<SysPermission> findPermissionsByLoginName(String loginName);
}

4.3 Mybatis映射开发

SysUsersMapper.xml


<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
 PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.qf.mapper.SysUserMapper">
<resultMap type="com.qf.domain.SysUser" id="userMap">
 <id column="USERID" property="userid" />
 <result column="LOGIN_NAME" property="loginName" />
 <result column="PASSWORD" property="password" />
 <result column="STATE" property="state" />
 <result column="CREATE_TIME" property="createTime" />
 <result column="REALNAME" property="realname" />
</resultMap>

<sql id="tbusers_columns">
 PASSWORD,LOGIN_NAME,CREATE_TIME,REALNAME,STATE
</sql>
<!--根据用户名查询对象 -->
<select id="findUserByUsername" parameterType="string" resultMap="userMap">
 SELECT
 <include refid="tbusers_columns"></include>
 FROM
 TB_SYS_USER US
 WHERE
 US.LOGIN_NAME = #{name}
</select>
</mapper>

SysPermissionMapper.xml


<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
 PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.qf.mapper.SysPermissionMapper">
<resultMap type="com.qf.domain.SysPermission" id="permMap">
 <id column="PERMISSION_ID" property="permId" />
 <result column="PER_NAME" property="permName" />
 <result column="MENU_URL" property="permUrl" />
 <result column="MENU_NAME" property="menuName" />
 <result column="MENU_TYPE" property="menuLevel" />
 <result column="MENU_CODE" property="menuCode" />
 <result column="PARENT_CODE" property="parentCode" />
 <result column="IF_ViLID" property="ifValid" />

</resultMap>

<select id="findPermissionsByLoginName" parameterType="string" resultMap="permMap">

SELECT
 p.*
 FROM
 TB_SYS_USER us ,
 TB_USER_ROLE ur,
 TB_SYS_ROLE r,
 TB_ROLE_PERMISSION rp,
 TB_SYS_PERMISSION p
 WHERE
 us.USERID = ur.USER_ID AND ur.ROLE_ID = r.ROLE_ID
 AND r.ROLE_ID = rp.ROLE_ID AND rp.PERMISSION_ID = p.PERMISSION_ID
 AND trim(us.LOGIN_NAME) = #{loginName}
 ORDER BY p.MENU_CODE

</select>
</mapper>

4.4 业务层开发

SysUsersServiceImpl.java


package com.qf.service.impl;

import com.qf.domain.SysUser;
import com.qf.mapper.SysUserMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

/**
* Created by 54110 on 2019-07-05.
*/
@Service
public class SysUsersServiceImpl {

@Autowired
 private SysUserMapper userMapper;

public SysUser queryUserByLoginName(String loginName) {

SysUser tbUsers = userMapper.findUserByUsername(loginName);
  return tbUsers;
 }

}

SysPermissionServiceImpl.java


package com.qf.service.impl;

import com.qf.domain.SysPermission;
import com.qf.mapper.SysPermissionMapper;
import com.qf.service.SysPermissionService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

/**
* Created by 54110 on 2019-07-05.
*/
@Service
public class SysPermissionServiceImpl implements SysPermissionService {

@Autowired
private SysPermissionMapper permMapper;
@Override
public List<SysPermission> queryPermissionsByLoginName(String loginName) {
 List<SysPermission> list = permMapper.findPermissionsByLoginName(loginName);
 return list;
}

}

4.5 控制层接口开发

UserController.java


package com.qf.controller;

import com.qf.service.SysUserService;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.subject.Subject;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;

import java.util.Map;

/**
* Created by 54110 on 2019-07-05.
*/
@Controller
public class UserController {
@Autowired
private SysUserService userService;
// 登录页(view)展示
@RequestMapping("/login")
public String showlogin(){
 return "login";
}

/**
 * 登录处理
 * @param map 用户登录表单数据
 * @return 逻辑视图
 */
@RequestMapping(value="dealLogin" ,method= RequestMethod.POST)
public String dealLogin(@RequestParam Map<String,Object> map){
 System.out.println( map.values().toString());

try {
  Subject subject = SecurityUtils.getSubject();//从安全管理器中获取主体对象
  UsernamePasswordToken token = new UsernamePasswordToken();//构建令牌对象
  token.setUsername(map.get("name").toString());//赋身份信息
  token.setPassword(map.get("password").toString().toCharArray());//赋凭证信息
  subject.login(token);//使用主体的login方法判定用户的权限
  if(subject.isAuthenticated()){
   //  已登陆
   //  用户信息及权限信息的存储(session|| redis)
   return "main";
  }
 } catch (AuthenticationException e) {
  e.printStackTrace();
  System.out.println("登录失败");
 }
 return "login";
}
// 登录且拥有user:
@RequestMapping("/one")
public String showCaseOne(){
 return "one";
}
@RequestMapping("/two")
public String showCaseTwo(){
 return "two";
}
// 权限不足时,响应的页面
@RequestMapping("/unauth")
public String showPermission(){
 return "unauth";
}
// 用户注销操作
@RequestMapping("/logout")
public String logout(){
 Subject subject = SecurityUtils.getSubject();
 subject.logout();//登出
 return "redirect:login";
}
}

4.6 关于shiro的开发

a、自定义安全策略

MyShiroRealm.java


package com.qf.shiro;

import com.qf.domain.SysPermission;
import com.qf.domain.SysUser;
import com.qf.service.SysPermissionService;
import com.qf.service.SysUserService;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.AuthenticationInfo;
import org.apache.shiro.authc.AuthenticationToken;
import org.apache.shiro.authc.SimpleAuthenticationInfo;
import org.apache.shiro.authz.AuthorizationInfo;
import org.apache.shiro.authz.SimpleAuthorizationInfo;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.subject.PrincipalCollection;
import org.apache.shiro.subject.Subject;
import org.springframework.beans.factory.annotation.Autowired;

import java.util.Collection;
import java.util.HashSet;
import java.util.List;

/**
* Created by 54110 on 2019-07-05.
*/
public class MyShiroRealm extends AuthorizingRealm {
@Autowired
private SysUserService sysUserServiceImpl;
@Autowired
private SysPermissionService sysPermissionServiceImpl;
private String username;

// 系统授权
@Override
protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
 Subject subject = SecurityUtils.getSubject();//获取主体对象
 String username =(String ) subject.getPrincipal();//获取用户身份信息
 List<SysPermission> permissions = sysPermissionService.queryPermissionsByLoginName(username);//根据用户名获取用户的权限信息
//  权限去重
 Collection<String > perms = new HashSet<>();
 for (SysPermission perm: permissions ) {
  perms.add(perm.getPermName());
 }
 SimpleAuthorizationInfo simpleAuthorizationInfo = new SimpleAuthorizationInfo();
 simpleAuthorizationInfo.addStringPermissions(perms);//授权
 return simpleAuthorizationInfo;
}
//用户认证
@Override
protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {
 String username = (String) token.getPrincipal();//获取用户信息

//根据用户信息查询数据库获取后端的用户身份,转交给securityManager判定
 SysUser user1 = sysUserService.queryUserByLoginName(username);//从数据库直接取
 System.out.println(user1);
 if(user1!=null) {
  SimpleAuthenticationInfo simpleAuthenticationInfo = new SimpleAuthenticationInfo(user1.getLoginName(), user1.getPassword(), getName());
  return simpleAuthenticationInfo;
 }
 return null;
}
}

b、自定义Shiro配置管理

ShiroConfig.java


package com.qf.config;

import com.qf.shiro.MyShiroRealm;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;

/**
* Created by 54110 on 2019-07-05.
*/
@Configuration
public class ShiroConfig {

@Bean
public ShiroFilterFactoryBean shiroFilterFactoryBean(@Qualifier("defaultWebSecurityManager") DefaultWebSecurityManager defaultWebSecurityManager){
 ShiroFilterFactoryBean shiroFilterFactoryBean = new ShiroFilterFactoryBean();
 shiroFilterFactoryBean.setSecurityManager(defaultWebSecurityManager);
 Map<String ,String> map = new HashMap<>();
 map.put("/main","authc"); //必须登录才可访问
 map.put("/one","perms[user_edit]");//只有特定权限(“user_edit”)的用户登录后才可访问
 map.put("/two","perms[user_forbidden]");//只有特定权限(“user_forbidden”)的用户登录后才可访问
 shiroFilterFactoryBean.setLoginUrl("/login");//设置登录页(匿名)
 shiroFilterFactoryBean.setUnauthorizedUrl("/unauth");//权限不足的错误提示页
 shiroFilterFactoryBean.setFilterChainDefinitionMap(map);//装配拦截策略
 return shiroFilterFactoryBean;
}
// 配置安全管理器(注入Realm对象)
@Bean(name="defaultWebSecurityManager")
public DefaultWebSecurityManager defaultWebSecurityManager(@Qualifier("myShiroRealm") MyShiroRealm myShiroRealm){
 DefaultWebSecurityManager defaultWebSecurityManager = new DefaultWebSecurityManager();
 defaultWebSecurityManager.setRealm(myShiroRealm);
 return defaultWebSecurityManager;
}

@Bean(name="myShiroRealm") //使用该注解是的Realm对象由spring容器管理
public MyShiroRealm myShiroRealm(){
 MyShiroRealm shiroRealm = new MyShiroRealm();
 return shiroRealm;
}
}

五、功能测试

地址栏输入http://localhost:8080/login

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使用用户:admin密码:admin登录,登录成功后显示页面如下:

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因为admin2用户拥有case one功能的操作权限,所以当鼠标单击case one链接时,显示如下成功访问页面

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因为admin2没有case two访问权限,当用户单击case two时,会显示无权限访问的页面:

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当单击logout链接时,系统重回登录页。此时使用用户test2密码test2再次登录。因test2用户无case one权限,有case two权限,所以当test2用户单击case two时会显示如下页面:

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六、启动shiro注解模式

6.1、在ShiroConfig.java中注释掉原先使用路径过滤的权限拦截语句:


//只有特定权限(“user_edit”)的用户登录后才可访问
// map.put("/one","perms[user_edit]");
//只有特定权限(“user_forbidden”)的用户登录后才可访问
// map.put("/two","perms[user_forbidden]");

6.2、修改ShiroConfig.java类代码添加如下内容:


/**
 * 开启Shiro注解(如@RequiresRoles,@RequiresPermissions),
 * 需借助SpringAOP扫描使用Shiro注解的类,并在必要时进行安全逻辑验证
 * 配置以下两个bean(DefaultAdvisorAutoProxyCreator和AuthorizationAttributeSourceAdvisor)
 */
@Bean
public DefaultAdvisorAutoProxyCreator advisorAutoProxyCreator(){
 DefaultAdvisorAutoProxyCreator advisorAutoProxyCreator = new DefaultAdvisorAutoProxyCreator();
 advisorAutoProxyCreator.setProxyTargetClass(true);
 return advisorAutoProxyCreator;
}
/**
 * 开启aop注解支持
 */
@Bean
public AuthorizationAttributeSourceAdvisor authorizationAttributeSourceAdvisor(DefaultWebSecurityManager defaultWebSecurityManager) {
 AuthorizationAttributeSourceAdvisor authorizationAttributeSourceAdvisor = new AuthorizationAttributeSourceAdvisor();
 authorizationAttributeSourceAdvisor.setSecurityManager(defaultWebSecurityManager);
 return authorizationAttributeSourceAdvisor;
}

6.3、修改UserController.java控制器接口代码:


// 登录且拥有user:
@RequiresPermissions(value={"user_edit"})
@RequestMapping("/one")
public String showCaseOne(){
 return "one";
}
@RequiresPermissions(value={"user_forbidden"})
@RequestMapping("/two")
public String showCaseTwo(){
 return "two";
}

6.4、测试

此事有权限访问的也页面正常,但未授权的页面,无法进入提示页,显示如下:

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后台亦抛出org.apache.shiro.authz.AuthorizationException异常:

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6.5、此时使用aop拦截抛出的异常


package com.jeffrey.exception;

import org.apache.shiro.authz.UnauthorizedException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;

import javax.servlet.http.HttpServletRequest;

/**
* Created by jeffrey on 2019/4/8.
*/
@ControllerAdvice
public class ExceptionController {

@ExceptionHandler(value = UnauthorizedException.class)//处理访问方法时权限不足问题
public String defaultErrorHandler(HttpServletRequest req, Exception e) {
 return "unauth";
}
}

七、shiro密码的MD5加密处理

 7.1.密码的加密

在数据表中存的密码不应该是12345,而应该是12345加密之后的字符串,而且还要求这个加密算法是不可逆的,即由加密后的字符串不能反推回来原来的密码,如果能反推回来那这个加密是没有意义的。

著名的加密算法,比如 MD5,SHA1

7.2.MD5加密

1). 如何把一个字符串加密为MD5

2). 使用MD5加密算法后,前台用户输入的字符串如何使用MD5加密,需要做的是将当前的Realm 的credentialsMatcher属性,替换为Md5CredentialsMatcher 由于Md5CredentialsMatcher已经过期了,推荐使用HashedCredentialsMatcher 并设置加密算法即可。

7.3.使用MD5加密

1). 修改ShiroConfig.java文件添加如下内容;


/**
 * 密码校验规则HashedCredentialsMatcher
 * 这个类是为了对密码进行编码的 ,
 * 防止密码在数据库里明码保存 , 当然在登陆认证的时候 ,
 * 这个类也负责对form里输入的密码进行编码
 * 处理认证匹配处理器:如果自定义需要实现继承HashedCredentialsMatcher
 */
@Bean("hashedCredentialsMatcher")
public HashedCredentialsMatcher hashedCredentialsMatcher() {
 HashedCredentialsMatcher credentialsMatcher = new HashedCredentialsMatcher();
 //指定加密方式为MD5
 credentialsMatcher.setHashAlgorithmName("MD5");
 //加密次数
 credentialsMatcher.setHashIterations(1024);
 credentialsMatcher.setStoredCredentialsHexEncoded(true);
 return credentialsMatcher;
}
@Bean("myShiroRealm")
public MyShiroRealm myShiroRealm(@Qualifier("hashedCredentialsMatcher") HashedCredentialsMatcher matcher) {
 MyShiroRealm authRealm = new MyShiroRealm();
 authRealm.setAuthorizationCachingEnabled(false);
 authRealm.setCredentialsMatcher(matcher);
 return authRealm;
}

2).修改MyRealm.java的认证逻辑如下:


//用户认证
@Override
protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {
 String username = (String) token.getPrincipal();//获取用户信息

SysUser user1 = sysUserService.queryUserByLoginName(username);//从数据库直接取
 System.out.println(user1);
 if(user1!=null) {
  //当前realm对象的name
  String realmName = getName();
  //盐值
  ByteSource credentialsSalt = ByteSource.Util.bytes(username);
  //封装用户信息,构建AuthenticationInfo对象并返回
  AuthenticationInfo authcInfo = new SimpleAuthenticationInfo(username, user1.getPassword(), credentialsSalt, realmName);
  return authcInfo;

}
 return null;
}

3). 通过 new SimpleHash(hashAlgorithmName, credentials, salt, hashIterations); 我们可以得到"12345"经过MD5 加密1024后的字符串;


package com.jeffrey;

import org.apache.shiro.crypto.hash.SimpleHash;
import org.apache.shiro.util.ByteSource;

/**
* Created by jeffrey on 2019/4/8.
*/
public class MD5Salt {

public static void main(String[] args){
 String hashAlgorithName = "MD5";//加密算法
 String password = "12345";//登陆时的密码
 int hashIterations =1024;//加密次数
 ByteSource credentialsSalt = ByteSource.Util.bytes("admin2");//使用登录名做为salt
 SimpleHash simpleHash = new SimpleHash(hashAlgorithName, password, credentialsSalt, hashIterations);
 System.out.println("ok "+simpleHash);
}

}

使用密文替换数据库中的明文密码;

7.4 测试 略。。。。

7.5 后记 为什么使用 MD5 盐值加密: 希望即使两个原始密码相同,加密得到的两个字符串也不同。

为什么使用 MD5 盐值加密:
希望即使两个原始密码相同,加密得到的两个字符串也不同。
如何做到:
1). 在 doGetAuthenticationInfo 方法返回值创建 SimpleAuthenticationInfo 对象的时候, 需要使用SimpleAuthenticationInfo(principal, credentials, credentialsSalt, realmName) 构造器
2). 使用 ByteSource.Util.bytes() 来计算盐值.
3). 盐值需要唯一: 一般使用随机字符串或 user id
4). 使用 new SimpleHash(hashAlgorithmName, credentials, salt, hashIterations); 来计算盐值加密后的密码的值.

来源:https://blog.csdn.net/qq_40699540/article/details/109441249

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