SpringSecurity的实现
1.依赖
security起步依赖redis起步依赖fastjsonjjwt生成tokenmybatis-plus起步依赖mysql连接web起步test起步 <!-- security启动器 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<!-- redis 使用-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>
<!--fastjson-->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.51</version>
</dependency>
<!--鉴权-->
<dependency>
<groupId>io.jsonwebtoken</groupId>
<artifactId>jjwt</artifactId>
<version>0.9.0</version>
</dependency>
<!-- mybatis-plus-->
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-boot-starter</artifactId>
<version>3.4.3</version>
</dependency>
<!-- mysql -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.49</version>
</dependency>
<!-- web起步-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!-- lombox-->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<scope>provided</scope>
<optional>true</optional>
</dependency>
<!-- 测试起步依赖-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
</dependency>
2.数据库和表的创建
- 权限列表
- 角色列表
- 角色拥有的权限
- 用户列表
- 用户对应的角色
sql
/*
Navicat Premium Data Transfer
Source Server : php
Source Server Type : MySQL
Source Server Version : 50726
Source Host : localhost:3306
Source Schema : cloudstudy2
Target Server Type : MySQL
Target Server Version : 50726
File Encoding : 65001
Date: 29/07/2023 16:25:02
*/
SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;
-- ----------------------------
-- Table structure for sys_menu
-- ----------------------------
DROP TABLE IF EXISTS `sys_menu`;
CREATE TABLE `sys_menu` (
`id` bigint(20) NOT NULL AUTO_INCREMENT,
`menu_name` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL DEFAULT 'NULL' COMMENT '菜单名',
`path` varchar(200) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '路由地址',
`component` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '组件路径',
`visible` char(1) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT '0' COMMENT '菜单状态（0显示 1隐藏）',
`status` char(1) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT '0' COMMENT '菜单状态（0正常 1停用）',
`perms` varchar(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '权限标识',
`icon` varchar(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT '#' COMMENT '菜单图标',
`create_by` bigint(20) NULL DEFAULT NULL,
`create_time` datetime NULL DEFAULT NULL,
`update_by` bigint(20) NULL DEFAULT NULL,
`update_time` datetime NULL DEFAULT NULL,
`del_flag` int(11) NULL DEFAULT 0 COMMENT '是否删除（0未删除 1已删除）',
`remark` varchar(500) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '备注',
PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 3 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci COMMENT = '菜单表' ROW_FORMAT = Dynamic;
-- ----------------------------
-- Records of sys_menu
-- ----------------------------
INSERT INTO `sys_menu` VALUES (1, '部门管理', 'dept', 'system/dept/index', '0', '0', 'system:dept:list', '#', NULL, NULL, NULL, NULL, 0, NULL);
INSERT INTO `sys_menu` VALUES (2, '测试', 'test', 'system/test/index', '0', '0', 'system:test:list', '#', NULL, NULL, NULL, NULL, 0, NULL);
-- ----------------------------
-- Table structure for sys_role
-- ----------------------------
DROP TABLE IF EXISTS `sys_role`;
CREATE TABLE `sys_role` (
`id` bigint(20) NOT NULL AUTO_INCREMENT,
`name` varchar(128) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL,
`role_key` varchar(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '角色权限字符串',
`status` char(1) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT '0' COMMENT '角色状态（0正常 1停用）',
`del_flag` int(1) NULL DEFAULT 0 COMMENT 'del_flag',
`create_by` bigint(200) NULL DEFAULT NULL,
`create_time` datetime NULL DEFAULT NULL,
`update_by` bigint(200) NULL DEFAULT NULL,
`update_time` datetime NULL DEFAULT NULL,
`remark` varchar(500) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '备注',
PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 3 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci COMMENT = '角色表' ROW_FORMAT = Dynamic;
-- ----------------------------
-- Records of sys_role
-- ----------------------------
INSERT INTO `sys_role` VALUES (1, 'CEO', 'ceo', '0', 0, NULL, NULL, NULL, NULL, NULL);
INSERT INTO `sys_role` VALUES (2, 'Coder', 'coder', '0', 0, NULL, NULL, NULL, NULL, NULL);
-- ----------------------------
-- Table structure for sys_role_menu
-- ----------------------------
DROP TABLE IF EXISTS `sys_role_menu`;
CREATE TABLE `sys_role_menu` (
`role_id` bigint(200) NOT NULL AUTO_INCREMENT COMMENT '角色ID',
`menu_id` bigint(200) NOT NULL DEFAULT 0 COMMENT '菜单id',
PRIMARY KEY (`role_id`, `menu_id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 3 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci ROW_FORMAT = Dynamic;
-- ----------------------------
-- Records of sys_role_menu
-- ----------------------------
INSERT INTO `sys_role_menu` VALUES (1, 1);
INSERT INTO `sys_role_menu` VALUES (1, 2);
INSERT INTO `sys_role_menu` VALUES (2, 2);
-- ----------------------------
-- Table structure for sys_user
-- ----------------------------
DROP TABLE IF EXISTS `sys_user`;
CREATE TABLE `sys_user` (
`id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键',
`user_name` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL DEFAULT 'NULL' COMMENT '用户名',
`nick_name` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL DEFAULT 'NULL' COMMENT '昵称',
`password` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL DEFAULT 'NULL' COMMENT '密码',
`status` char(1) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT '0' COMMENT '账号状态（0正常 1停用）',
`email` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '邮箱',
`phonenumber` varchar(32) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '手机号',
`sex` char(1) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '用户性别（0男，1女，2未知）',
`avatar` varchar(128) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '头像',
`user_type` char(1) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL DEFAULT '1' COMMENT '用户类型（0管理员，1普通用户）',
`create_by` bigint(20) NULL DEFAULT NULL COMMENT '创建人的用户id',
`create_time` datetime NULL DEFAULT NULL COMMENT '创建时间',
`update_by` bigint(20) NULL DEFAULT NULL COMMENT '更新人',
`update_time` datetime NULL DEFAULT NULL COMMENT '更新时间',
`del_flag` int(11) NULL DEFAULT 0 COMMENT '删除标志（0代表未删除，1代表已删除）',
PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 3 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci COMMENT = '用户表' ROW_FORMAT = Dynamic;
-- ----------------------------
-- Records of sys_user
-- ----------------------------
INSERT INTO `sys_user` VALUES (1, 'zhangsan', '张三', '$2a$10$aYk5uuxeAMNwpVAPyM.Am.0ZG4o1iK/S6dukqWOLo5g3aPk5VUIb.', '0', '123@qq.com', '18966563256', '男', '1', '0', NULL, '2023-07-28 10:57:18', NULL, NULL, 0);
INSERT INTO `sys_user` VALUES (2, 'lisi', '李四', '$2a$10$aYk5uuxeAMNwpVAPyM.Am.0ZG4o1iK/S6dukqWOLo5g3aPk5VUIb.', '0', '123@qq.com', '18966563256', '男', '1', '0', NULL, NULL, NULL, NULL, 0);
-- ----------------------------
-- Table structure for sys_user_role
-- ----------------------------
DROP TABLE IF EXISTS `sys_user_role`;
CREATE TABLE `sys_user_role` (
`user_id` bigint(200) NOT NULL AUTO_INCREMENT COMMENT '用户id',
`role_id` bigint(200) NOT NULL DEFAULT 0 COMMENT '角色id',
PRIMARY KEY (`user_id`, `role_id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 3 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci ROW_FORMAT = Dynamic;
-- ----------------------------
-- Records of sys_user_role
-- ----------------------------
INSERT INTO `sys_user_role` VALUES (1, 1);
INSERT INTO `sys_user_role` VALUES (2, 2);
SET FOREIGN_KEY_CHECKS = 1;3.yml配置文件
sql
server:
port: 8080
spring:
datasource:
url: jdbc:mysql://localhost:3306/cloudstudy2?characterEncoding=utf-8&serverTimezone=UTC&useSSL=false
username: root
password: root
driver-class-name: com.mysql.jdbc.Driver
redis:
port: 6379
host: localhost
password: 123456
mybatis-plus:
mapper-locations: classpath*:/mappers/**/*.xml4.代码结构
4.1config
- 跨域
- reids序列化配置
- security配置
sql
/*
* 跨域解决
* */
@Configuration
public class CorsConfig implements WebMvcConfigurer {
@Override
public void addCorsMappings(CorsRegistry registry) {
// 设置允许跨域的路径
registry.addMapping("/**")
// 设置允许跨域请求的域名
.allowedOriginPatterns("*")
// 是否允许cookie
.allowCredentials(true)
// 设置允许的请求方式
.allowedMethods("GET", "POST", "DELETE", "PUT")
// 设置允许的header属性
.allowedHeaders("*")
// 跨域允许时间
.maxAge(3600);
}
}
sql
@Configuration
public class RedisConfig {
@Bean
@SuppressWarnings(value = { "unchecked", "rawtypes" })
public RedisTemplate<Object, Object> redisTemplate(RedisConnectionFactory connectionFactory)
{
RedisTemplate<Object, Object> template = new RedisTemplate<>();
template.setConnectionFactory(connectionFactory);
FastJsonRedisSerializer serializer = new FastJsonRedisSerializer(Object.class);
// 使用StringRedisSerializer来序列化和反序列化redis的key值
template.setKeySerializer(new StringRedisSerializer());
template.setValueSerializer(serializer);
// Hash的key也采用StringRedisSerializer的序列化方式
template.setHashKeySerializer(new StringRedisSerializer());
template.setHashValueSerializer(serializer);
template.afterPropertiesSet();
return template;
}
}
sql
/*
* 替换原先的密码加密的方式
* */
@Component
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class SecurityConfig extends WebSecurityConfigurerAdapter {
@Bean
//创建BCryptPasswordEncoder
public PasswordEncoder passwordEncoder(){
return new BCryptPasswordEncoder();
}
@Autowired
private JwtAuthenticationTokenFilter jwtAuthenticationTokenFilter;
@Autowired
private AuthenticationEntryPoint authenticationEntryPoint;
@Autowired
private AccessDeniedHandler accessDeniedHandler;
/*
* 前后端分离项目得配置
* session失效
* 配置登录得接口
* */
@Override
protected void configure(HttpSecurity http) throws Exception {
http
//关闭csrf（后面会说说）
/*
* 我们可以发现CSRF攻击依靠的是cookie中所携带的认证信息。但是在前后端分离的项目中我们的认证信息其实是token，
* 而token并不是存储中cookie中，并且需要前端代码去把token设置到请求头中才可以，所以CSRF攻击也就不用担心了。
* */
.csrf().disable()
//不通过Session获取SecurityContext
.sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS)
.and()
.authorizeRequests()
// 对于登录接口 允许匿名访问
.antMatchers("/user/login").anonymous()
//我们也可以在配置类中使用使用配置的方式对资源进行权限控制。
.antMatchers("/testCors").hasAuthority("system:dept:list")
// 除上面外的所有请求全部需要鉴权认证
.anyRequest().authenticated();
//添加过滤器
http.addFilterBefore(jwtAuthenticationTokenFilter, UsernamePasswordAuthenticationFilter.class);
//配置异常处理器
http.exceptionHandling()
.authenticationEntryPoint(authenticationEntryPoint)//认证失败
.accessDeniedHandler(accessDeniedHandler);//授权失败
//允许跨域
http.cors();
}
/*
* 获取AuthenticationManager可以获取Authentication对象
* */
@Bean
@Override
public AuthenticationManager authenticationManagerBean() throws Exception {
return super.authenticationManagerBean();
}
}4.2filter
校验前的配置
sql
@Component
public class JwtAuthenticationTokenFilter extends OncePerRequestFilter {
@Autowired
private RedisCache redisCache;
@Override
protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException {
//获取token
String token = request.getHeader("token");
if (!StringUtils.hasText(token)) {
//放行
filterChain.doFilter(request, response);
return;
}
//解析token
String userid;
try {
Claims claims = JwtUtil.parseJWT(token);
userid = claims.getSubject();
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException("token非法");
}
//从redis中获取用户信息
String redisKey = "login:" + userid;
LoginUser loginUser = JSONObject.parseObject(redisCache.getCacheObject(redisKey)+"", LoginUser.class);
if(Objects.isNull(loginUser)){
throw new RuntimeException("用户未登录");
}
//存入SecurityContextHolder
//TODO 获取权限信息封装到Authentication中
UsernamePasswordAuthenticationToken authenticationToken =
//loginUser.getAuthorities()保存的是用户的权限信息
new UsernamePasswordAuthenticationToken(loginUser,null,loginUser.getAuthorities());
SecurityContextHolder.getContext().setAuthentication(authenticationToken);
//放行
filterChain.doFilter(request, response);
}
}4.3utils
工具类的定义
sql
/**
* Redis使用FastJson序列化
*
* @author sg
*/
public class FastJsonRedisSerializer<T> implements RedisSerializer<T>
{
public static final Charset DEFAULT_CHARSET = Charset.forName("UTF-8");
private Class<T> clazz;
static
{
ParserConfig.getGlobalInstance().setAutoTypeSupport(true);
}
public FastJsonRedisSerializer(Class<T> clazz)
{
super();
this.clazz = clazz;
}
@Override
public byte[] serialize(T t) throws SerializationException
{
if (t == null)
{
return new byte[0];
}
return JSON.toJSONString(t, SerializerFeature.WriteClassName).getBytes(DEFAULT_CHARSET);
}
@Override
public T deserialize(byte[] bytes) throws SerializationException
{
if (bytes == null || bytes.length <= 0)
{
return null;
}
String str = new String(bytes, DEFAULT_CHARSET);
return JSON.parseObject(str, clazz);
}
protected JavaType getJavaType(Class<?> clazz)
{
return TypeFactory.defaultInstance().constructType(clazz);
}
}
sql
/**
* JWT工具类
*/
public class JwtUtil {
//有效期为
public static final Long JWT_TTL = 60 * 60 *1000L;// 60 * 60 *1000 一个小时
//设置秘钥明文
public static final String JWT_KEY = "sangeng";
public static String getUUID(){
String token = UUID.randomUUID().toString().replaceAll("-", "");
return token;
}
/**
* 生成jtw
* @param subject token中要存放的数据（json格式）
* @return
*/
public static String createJWT(String subject) {
JwtBuilder builder = getJwtBuilder(subject, null, getUUID());// 设置过期时间
return builder.compact();
}
/**
* 生成jtw
* @param subject token中要存放的数据（json格式）
* @param ttlMillis token超时时间
* @return
*/
public static String createJWT(String subject, Long ttlMillis) {
JwtBuilder builder = getJwtBuilder(subject, ttlMillis, getUUID());// 设置过期时间
return builder.compact();
}
private static JwtBuilder getJwtBuilder(String subject, Long ttlMillis, String uuid) {
SignatureAlgorithm signatureAlgorithm = SignatureAlgorithm.HS256;
SecretKey secretKey = generalKey();
long nowMillis = System.currentTimeMillis();
Date now = new Date(nowMillis);
if(ttlMillis==null){
ttlMillis=JwtUtil.JWT_TTL;
}
long expMillis = nowMillis + ttlMillis;
Date expDate = new Date(expMillis);
return Jwts.builder()
.setId(uuid) //唯一的ID
.setSubject(subject) // 主题 可以是JSON数据
.setIssuer("wgg") // 签发者
.setIssuedAt(now) // 签发时间
.signWith(signatureAlgorithm, secretKey) //使用HS256对称加密算法签名, 第二个参数为秘钥
.setExpiration(expDate);
}
/**
* 创建token
* @param id
* @param subject
* @param ttlMillis
* @return
*/
public static String createJWT(String id, String subject, Long ttlMillis) {
JwtBuilder builder = getJwtBuilder(subject, ttlMillis, id);// 设置过期时间
return builder.compact();
}
public static void main(String[] args) throws Exception {
// String jwt = createJWT("1234");
// System.out.println(jwt);
String token = "eyJhbGciOiJIUzI1NiJ9.eyJqdGkiOiJhOGU4MTc2NGM3ZWM0OGZiOWEwOWJiYzY4M2ZiYmY5ZiIsInN1YiI6IjEyMzQiLCJpc3MiOiJzZyIsImlhdCI6MTY5MDUxNDAxMiwiZXhwIjoxNjkwNTE3NjEyfQ.Z-cIR837KryHgLIVS9b6HFnt8POAOx6jo8Ll-MznQbk";
Claims claims = parseJWT(token);
System.out.println(claims);
}
/**
* 生成加密后的秘钥 secretKey
* @return
*/
public static SecretKey generalKey() {
byte[] encodedKey = Base64.getDecoder().decode(JwtUtil.JWT_KEY);
SecretKey key = new SecretKeySpec(encodedKey, 0, encodedKey.length, "AES");
return key;
}
/**
* 解析
*
* @param jwt
* @return
* @throws Exception
*/
public static Claims parseJWT(String jwt) throws Exception {
SecretKey secretKey = generalKey();
return Jwts.parser()
.setSigningKey(secretKey)
.parseClaimsJws(jwt)
.getBody();
}
}
sql
/*
* 为了调用redis更加简便
* */
@SuppressWarnings(value = { "unchecked", "rawtypes" })
@Component
public class RedisCache
{
@Autowired
public RedisTemplate redisTemplate;
/**
* 缓存基本的对象，Integer、String、实体类等
*
* @param key 缓存的键值
* @param value 缓存的值
*/
public <T> void setCacheObject(final String key, final T value)
{
redisTemplate.opsForValue().set(key, value);
}
/**
* 缓存基本的对象，Integer、String、实体类等
*
* @param key 缓存的键值
* @param value 缓存的值
* @param timeout 时间
* @param timeUnit 时间颗粒度
*/
public <T> void setCacheObject(final String key, final T value, final Integer timeout, final TimeUnit timeUnit)
{
redisTemplate.opsForValue().set(key, value, timeout, timeUnit);
}
/**
* 设置有效时间
*
* @param key Redis键
* @param timeout 超时时间
* @return true=设置成功；false=设置失败
*/
public boolean expire(final String key, final long timeout)
{
return expire(key, timeout, TimeUnit.SECONDS);
}
/**
* 设置有效时间
*
* @param key Redis键
* @param timeout 超时时间
* @param unit 时间单位
* @return true=设置成功；false=设置失败
*/
public boolean expire(final String key, final long timeout, final TimeUnit unit)
{
return redisTemplate.expire(key, timeout, unit);
}
/**
* 获得缓存的基本对象。
*
* @param key 缓存键值
* @return 缓存键值对应的数据
*/
public <T> T getCacheObject(final String key)
{
ValueOperations<String, T> operation = redisTemplate.opsForValue();
return operation.get(key);
}
/**
* 删除单个对象
*
* @param key
*/
public boolean deleteObject(final String key)
{
return redisTemplate.delete(key);
}
/**
* 删除集合对象
*
* @param collection 多个对象
* @return
*/
public long deleteObject(final Collection collection)
{
return redisTemplate.delete(collection);
}
/**
* 缓存List数据
*
* @param key 缓存的键值
* @param dataList 待缓存的List数据
* @return 缓存的对象
*/
public <T> long setCacheList(final String key, final List<T> dataList)
{
Long count = redisTemplate.opsForList().rightPushAll(key, dataList);
return count == null ? 0 : count;
}
/**
* 获得缓存的list对象
*
* @param key 缓存的键值
* @return 缓存键值对应的数据
*/
public <T> List<T> getCacheList(final String key)
{
return redisTemplate.opsForList().range(key, 0, -1);
}
/**
* 缓存Set
*
* @param key 缓存键值
* @param dataSet 缓存的数据
* @return 缓存数据的对象
*/
public <T> BoundSetOperations<String, T> setCacheSet(final String key, final Set<T> dataSet)
{
BoundSetOperations<String, T> setOperation = redisTemplate.boundSetOps(key);
Iterator<T> it = dataSet.iterator();
while (it.hasNext())
{
setOperation.add(it.next());
}
return setOperation;
}
/**
* 获得缓存的set
*
* @param key
* @return
*/
public <T> Set<T> getCacheSet(final String key)
{
return redisTemplate.opsForSet().members(key);
}
/**
* 缓存Map
*
* @param key
* @param dataMap
*/
public <T> void setCacheMap(final String key, final Map<String, T> dataMap)
{
if (dataMap != null) {
redisTemplate.opsForHash().putAll(key, dataMap);
}
}
/**
* 获得缓存的Map
*
* @param key
* @return
*/
public <T> Map<String, T> getCacheMap(final String key)
{
return redisTemplate.opsForHash().entries(key);
}
/**
* 往Hash中存入数据
*
* @param key Redis键
* @param hKey Hash键
* @param value 值
*/
public <T> void setCacheMapValue(final String key, final String hKey, final T value)
{
redisTemplate.opsForHash().put(key, hKey, value);
}
/**
* 获取Hash中的数据
*
* @param key Redis键
* @param hKey Hash键
* @return Hash中的对象
*/
public <T> T getCacheMapValue(final String key, final String hKey)
{
HashOperations<String, String, T> opsForHash = redisTemplate.opsForHash();
return opsForHash.get(key, hKey);
}
/**
* 删除Hash中的数据
*
* @param key
* @param hkey
*/
public void delCacheMapValue(final String key, final String hkey)
{
HashOperations hashOperations = redisTemplate.opsForHash();
hashOperations.delete(key, hkey);
}
/**
* 获取多个Hash中的数据
*
* @param key Redis键
* @param hKeys Hash键集合
* @return Hash对象集合
*/
public <T> List<T> getMultiCacheMapValue(final String key, final Collection<Object> hKeys)
{
return redisTemplate.opsForHash().multiGet(key, hKeys);
}
/**
* 获得缓存的基本对象列表
*
* @param pattern 字符串前缀
* @return 对象列表
*/
public Collection<String> keys(final String pattern)
{
return redisTemplate.keys(pattern);
}
}
sql
@JsonInclude(JsonInclude.Include.NON_NULL)
public class ResponseResult<T> {
/**
* 状态码
*/
private Integer code;
/**
* 提示信息，如果有错误时，前端可以获取该字段进行提示
*/
private String msg;
/**
* 查询到的结果数据，
*/
private T data;
public ResponseResult(Integer code, String msg) {
this.code = code;
this.msg = msg;
}
public ResponseResult(Integer code, T data) {
this.code = code;
this.data = data;
}
public Integer getCode() {
return code;
}
public void setCode(Integer code) {
this.code = code;
}
public String getMsg() {
return msg;
}
public void setMsg(String msg) {
this.msg = msg;
}
public T getData() {
return data;
}
public void setData(T data) {
this.data = data;
}
public ResponseResult(Integer code, String msg, T data) {
this.code = code;
this.msg = msg;
this.data = data;
}
}
sql
/*
* 往response写入数据
* */
public class WebUtils
{
/**
* 将字符串渲染到客户端
*
* @param response 渲染对象
* @param string 待渲染的字符串
* @return null
*/
public static String renderString(HttpServletResponse response, String string) {
try
{
response.setStatus(200);
response.setContentType("application/json");
response.setCharacterEncoding("utf-8");
response.getWriter().print(string);
}
catch (IOException e)
{
e.printStackTrace();
}
return null;
}
}4.4expression
自定义权限验证
sql
/*
* 自定义的权限认证
* */
@Component("ex")
public class SGExpressionRoot {
public boolean hasAuthority(String authority){
//获取当前用户的权限
Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
LoginUser loginUser = (LoginUser) authentication.getPrincipal();
List<String> permissions = loginUser.getPermissions();
//判断用户权限集合中是否存在authority
return permissions.contains(authority);
}
}4.5exception
自定义异常处理
sql
/*
* 权限不足的异常类
* */
@Component
public class AccessDeniedHandlerImpl implements AccessDeniedHandler {
@Override
public void handle(HttpServletRequest request, HttpServletResponse response, AccessDeniedException accessDeniedException) throws IOException, ServletException {
ResponseResult result = new ResponseResult(HttpStatus.FORBIDDEN.value(), "权限不足");
String json = JSON.toJSONString(result);
WebUtils.renderString(response,json);
}
}
sql
/*
* 认证失败的异常处理
* */
@Component
public class AuthenticationEntryPointImpl implements AuthenticationEntryPoint {
@Override
public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException authException) throws IOException, ServletException {
ResponseResult result = new ResponseResult(HttpStatus.UNAUTHORIZED.value(), "认证失败请重新登录");
String json = JSON.toJSONString(result);
WebUtils.renderString(response,json);
}
}4.6domain
sql
@Data
@AllArgsConstructor
@NoArgsConstructor
@TableName(value = "sys_user")
public class User implements Serializable {
private static final long serialVersionUID = -40356785423868312L;
/**
* 主键
*/
@TableId(type = IdType.AUTO)
private Long id;
/**
* 用户名
*/
private String userName;
/**
* 昵称
*/
private String nickName;
/**
* 密码
*/
private String password;
/**
* 账号状态（0正常 1停用）
*/
private String status;
/**
* 邮箱
*/
private String email;
/**
* 手机号
*/
private String phonenumber;
/**
* 用户性别（0男，1女，2未知）
*/
private String sex;
/**
* 头像
*/
private String avatar;
/**
* 用户类型（0管理员，1普通用户）
*/
private String userType;
/**
* 创建人的用户id
*/
private Long createBy;
/**
* 创建时间
*/
private Date createTime;
/**
* 更新人
*/
private Long updateBy;
/**
* 更新时间
*/
private Date updateTime;
/**
* 删除标志（0代表未删除，1代表已删除）
*/
private Integer delFlag;
}
sql
/**
* 菜单表(Menu)实体类
*
* @author makejava
* @since 2021-11-24 15:30:08
*/
@TableName(value="sys_menu")
@Data
@AllArgsConstructor
@NoArgsConstructor
@JsonInclude(JsonInclude.Include.NON_NULL)
public class Menu implements Serializable {
private static final long serialVersionUID = -54979041104113736L;
@TableId
private Long id;
/**
* 菜单名
*/
private String menuName;
/**
* 路由地址
*/
private String path;
/**
* 组件路径
*/
private String component;
/**
* 菜单状态（0显示 1隐藏）
*/
private String visible;
/**
* 菜单状态（0正常 1停用）
*/
private String status;
/**
* 权限标识
*/
private String perms;
/**
* 菜单图标
*/
private String icon;
private Long createBy;
private Date createTime;
private Long updateBy;
private Date updateTime;
/**
* 是否删除（0未删除 1已删除）
*/
private Integer delFlag;
/**
* 备注
*/
private String remark;
}
sql
@Data
@NoArgsConstructor
//@AllArgsConstructor
public class LoginUser implements UserDetails , Serializable {
private User user;
private List<String> permissions;
/*
* 不会序列化到redis中就不会出现错误
* */
@JSONField(serialize = false)
private List<SimpleGrantedAuthority> authorities;
public LoginUser(User user, List<String> permissions) {
this.user = user;
this.permissions = permissions;
}
//权限信息
@Override
public Collection<? extends GrantedAuthority> getAuthorities() {
if (authorities!=null){
return authorities;
}
//把permissions中的String类型的权限信息封装成SimplegranteAuthority对象
authorities=permissions.stream().map(SimpleGrantedAuthority::new)
.collect(Collectors.toList());
return authorities;
}
//获取密码
@Override
public String getPassword() {
return user.getPassword();
}
//获取用户名
@Override
public String getUsername() {
return user.getUserName();
}
//判断没过期的
@Override
public boolean isAccountNonExpired() {
return true;
}
@Override
public boolean isAccountNonLocked() {
return true;
}
@Override
public boolean isCredentialsNonExpired() {
return true;
}
//是否可用
@Override
public boolean isEnabled() {
return true;
}
}4.7mapper
sql
public interface MenuMapper extends BaseMapper<Menu> {
List<String> selectPermsByUserId(Long id);
}
sql
public interface UserMapper extends BaseMapper<User> {
}4.8service
public interface LoginServcie {
ResponseResult login(User user);
ResponseResult logout();
}
@Service
public class LoginServcieImpl implements LoginServcie {
@Autowired
private AuthenticationManager authenticationManager;
@Autowired
private RedisCache redisCache;
@Override
public ResponseResult login(User user) {
//将用户登录的账号和密码封装成Authentication对象
//还没有进行认证
UsernamePasswordAuthenticationToken authenticationToken =
new UsernamePasswordAuthenticationToken(user.getUserName(),user.getPassword());
//进行认证。会调用UserServiceImpl查询数据库中的用户信息
Authentication authenticate = authenticationManager.authenticate(authenticationToken);
//判断是否通过
if(Objects.isNull(authenticate)){
throw new RuntimeException("登录失败");
}
//使用userid生成token
LoginUser loginUser = (LoginUser) authenticate.getPrincipal();
//获取用户的id
String userId = loginUser.getUser().getId().toString();
//生成token
String jwt = JwtUtil.createJWT(userId);
//authenticate存入redis
redisCache.setCacheObject("login:"+userId,loginUser);
//把token响应给前端
HashMap<String,String> map = new HashMap<>();
map.put("token",jwt);
return new ResponseResult(200,"登陆成功",map);
}
@Override
public ResponseResult logout() {
Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
LoginUser loginUser = (LoginUser) authentication.getPrincipal();
Long userid = loginUser.getUser().getId();
redisCache.deleteObject("login:"+userid);
return new ResponseResult(200,"退出成功");
}
}
/*
* 重写完成查询数据库中的用户并不在内存中进行查询我们的用户权限的信息
* */
@Service
public class UserServiceImpl implements UserDetailsService {
@Resource
private UserMapper userMapper;
@Resource
private MenuMapper menuMapper;
@Override
public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
//查询用户信息
LambdaQueryWrapper<User> queryWrapper=new LambdaQueryWrapper<User>();
queryWrapper.eq(User::getUserName,username);
User user= userMapper.selectOne(queryWrapper);
//认证鉴权出现异常会被捕获到进行处理
if (Objects.isNull(user)){
throw new RuntimeException("User not found！");
}
//用户对应的权限信息，从数据库中查询出来的
List<String> permissionKeyList = menuMapper.selectPermsByUserId(user.getId());
//List<String> list = new ArrayList<>(Arrays.asList("test"));
//把数据封装成UserDetail
LoginUser loginUser= new LoginUser(user,permissionKeyList);
return loginUser;
}
}
4.9controller
@RestController
public class LoginController {
@Autowired
private LoginServcie loginServcie;
@PostMapping("/user/login")
public ResponseResult login(@RequestBody User user){
System.out.println(user.toString());
return loginServcie.login(user);
}
@PostMapping("/user/logout")
public ResponseResult logout(){
return loginServcie.logout();
}
}
@RestController
public class HelloController {
/*
* 判断用户是否用test的权限的信息
* */
/* @RequestMapping("/hello")
@PreAuthorize("hasAuthority('system:test:list')")
public String hello() {
return "Hello";
}
*/
//ex.hasAuthority调用自己的权限校验符号
@RequestMapping("/hello")
@PreAuthorize("@ex.hasAuthority('system:dept:list')")
public String hello() {
return "Hello";
}
//采用基于配置文件的方式配置权限
@RequestMapping("/testCors")
public String testCors() {
return "testCors";
}
/*
*
*
* hasAuthority 一个权限
* hasAnyAuthority 多个权限。具有其中任意一个就可以
* hasAnyRole 和hasRole差不多，就是支持多个角色的role的拼接
* hasRole 有一个权限关键字的要求 角色前缀_权限。角色前缀会自动的进行拼接。
*
*
* */
}
4.10启动类
@SpringBootApplication
@MapperScan("com.test.mapper")
public class SecurityApplication {
public static void main(String[] args) {
SpringApplication.run(SecurityApplication.class,args);
}
}
5.resources下的mappers
<?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.test.mapper.MenuMapper">
<select id="selectPermsByUserId" resultType="java.lang.String">
SELECT
DISTINCT m.`perms`
FROM
sys_user_role ur
LEFT JOIN `sys_role` r ON ur.`role_id` = r.`id`
LEFT JOIN `sys_role_menu` rm ON ur.`role_id` = rm.`role_id`
LEFT JOIN `sys_menu` m ON m.`id` = rm.`menu_id`
WHERE
user_id = #{userid}
AND r.`status` = 0
AND m.`status` = 0
</select>
</mapper>
6.运行效果图
6.1登录
6.2有权限
6.3无权限
