4.0.0
com.kai
spring-security
1.0-SNAPSHOT
org.springframework.boot
spring-boot-starter-parent
2.5.0
org.springframework.boot
spring-boot-starter-web
org.projectlombok
lombok
true
org.springframework.boot
spring-boot-starter-security
org.springframework.boot
spring-boot-starter-data-redis
//如果不是使用的本地redis(windows)感觉都要配上,不然会报错
//我这边使用的centos7虚拟机,所以配置了这个参数
org.apache.commons
commons-pool2
com.alibaba
fastjson
1.2.33
io.jsonwebtoken
jjwt
0.9.0
com.baomidou
mybatis-plus-boot-starter
3.4.3
mysql
mysql-connector-java
org.springframework.boot
spring-boot-starter-test
org.springframework.boot
spring-boot-starter-test
cn.hutool
hutool-all
5.7.17
server:
port: 8888
spring:
datasource:
driver-class-name: com.mysql.cj.jdbc.Driver
url: jdbc:mysql://localhost:3306/springseurity?serverTimezone=Asia/Shanghai&useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&useSSL=false&allowPublicKeyRetrieval=true
username: root
password: 123456
redis:
host: 192.168.142.138
port: 6379
password: 123456
lettuce:
pool:
max-active: 10
max-idle: 10
min-idle: 1
time-between-eviction-runs: 10s
jackson:
default-property-inclusion: non_null # JSON处理时忽略非空字段
package com.kai.utils;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.serializer.SerializerFeature;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.type.TypeFactory;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.SerializationException;
import com.alibaba.fastjson.parser.ParserConfig;
import org.springframework.util.Assert;
import java.nio.charset.Charset;
/**
* Redis使用FastJson序列化
*
*/
public class FastJsonRedisSerializer implements RedisSerializer
{
public static final Charset DEFAULT_CHARSET = Charset.forName("UTF-8");
private Class clazz;
static
{
ParserConfig.getGlobalInstance().setAutoTypeSupport(true);
}
public FastJsonRedisSerializer(Class 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);
}
}
package com.kai.utils;
import io.jsonwebtoken.Claims;
import io.jsonwebtoken.JwtBuilder;
import io.jsonwebtoken.Jwts;
import io.jsonwebtoken.SignatureAlgorithm;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
import java.util.Base64;
import java.util.Date;
import java.util.UUID;
/**
* 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 = "wk";
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("wk") // 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("2123");
Claims claims = parseJWT("eyJhbGciOiJIUzI1NiJ9.eyJqdGkiOiJhZmFiNzA5MjQ3Njk0NGQxYmU5NjVjYmMzNGM2YjU0NyIsInN1YiI6IjEiLCJpc3MiOiJ3ayIsImlhdCI6MTY3NzQwNzc1MiwiZXhwIjoxNjc3NDExMzUyfQ.XHpFr6wrikZsmtlcFT9qlLpKx0vNNCNPCRQoJlvopRw");
String subject = claims.getSubject();
System.out.println(subject);
// 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();
}
}
package com.kai.utils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.BoundSetOperations;
import org.springframework.data.redis.core.HashOperations;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.ValueOperations;
import org.springframework.stereotype.Component;
import javax.annotation.Resource;
import java.util.*;
import java.util.concurrent.TimeUnit;
@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 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 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 getCacheObject(final String key)
{
ValueOperations 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 long setCacheList(final String key, final List 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 List 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 BoundSetOperations setCacheSet(final String key, final Set dataSet)
{
BoundSetOperations setOperation = redisTemplate.boundSetOps(key);
Iterator it = dataSet.iterator();
while (it.hasNext())
{
setOperation.add(it.next());
}
return setOperation;
}
/**
* 获得缓存的set
*
* @param key
* @return
*/
public Set getCacheSet(final String key)
{
return redisTemplate.opsForSet().members(key);
}
/**
* 缓存Map
*
* @param key
* @param dataMap
*/
public void setCacheMap(final String key, final Map dataMap)
{
if (dataMap != null) {
redisTemplate.opsForHash().putAll(key, dataMap);
}
}
/**
* 获得缓存的Map
*
* @param key
* @return
*/
public Map 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 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 getCacheMapValue(final String key, final String hKey)
{
HashOperations 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 List getMultiCacheMapValue(final String key, final Collection
package com.kai.utils;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
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;
}
}
package com.kai.config;
import com.kai.utils.FastJsonRedisSerializer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import org.springframework.stereotype.Component;
@Configuration
public class RedisConfig {
@Bean
@SuppressWarnings(value = { "unchecked", "rawtypes" })
public RedisTemplate
package com.kai.config;
import com.kai.Filter.JwtAuthenticationTokenFilter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
/**
* 完成密码的加密以及将加密方法注入容器
*/
@Configuration
public class SecurityConfig extends WebSecurityConfigurerAdapter {
@Autowired
private JwtAuthenticationTokenFilter jwtAuthenticationTokenFilter;
@Bean
public PasswordEncoder passwordEncoder(){
return new BCryptPasswordEncoder();
}
@Override
protected void configure(HttpSecurity http) throws Exception {
http
//关闭csrf
.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()
// 除上面外的所有请求全部需要鉴权认证
.anyRequest().authenticated();
//把token校验过滤器添加到过滤器链中
http.addFilterBefore(jwtAuthenticationTokenFilter, UsernamePasswordAuthenticationFilter.class);
}
@Bean
@Override
public AuthenticationManager authenticationManagerBean() throws Exception {
return super.authenticationManagerBean();
}
}
package com.kai.config;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
@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);
}
}
重写loadUserByUsername方法,根据用户名(去数据库)查询用户信息以及查询用户权限信息:
在service.impl包下创建UserDetailServiceImpl类;
package com.kai.service.Impl;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.github.yulichang.wrapper.MPJLambdaWrapper;
import com.kai.domain.*;
import com.kai.mapper.MenuMapper;
import com.kai.mapper.UserMapper;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;
import java.util.List;
import java.util.Objects;
@Slf4j
@Service
public class UserDetailServiceImpl implements UserDetailsService {
// 重写UserDetailService方法来改变登录校验方式
@Autowired
private UserMapper userMapper;
@Autowired
private MenuMapper menuMapper;
@Override
public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
//根据用户名查询用户信息
LambdaQueryWrapper queryWrapper = new LambdaQueryWrapper<>();
queryWrapper.eq(User::getUserName,username);
User user = userMapper.selectOne(queryWrapper);
log.info("登录用户信息 user:{}",user);
//如果查询不出用户信息,则抛出异常信息
if(Objects.isNull(user)){
throw new RuntimeException("用户名或者密码输入错误!");
}
//TODO 根据用户查询权限信息,添加到LoginUser中;
//封装成UserDetail对象返回
//根据id查询登录用户所具有的权限
List permissionList = menuMapper.selectJoinList(
String.class, new MPJLambdaWrapper
利用有参构造器给LoginUser类赋值;
domain包下的LoginUser
package com.kai.domain;
import com.alibaba.fastjson.annotation.JSONField;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;
import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;
@Data
@NoArgsConstructor
public class LoginUser implements UserDetails {
private User user;
//存储权限信息
private List permissions;
public LoginUser(User user,List permissions){
this.user = user;
this.permissions = permissions;
}
//存储SpringSecurity所需要的权限信息的集合
@JSONField(serialize = false)
private List authorities;
@Override
public Collection extends GrantedAuthority> getAuthorities() {
if(authorities!=null){
return authorities;
}
//把permissions中的字符串类型的权限信息转换成GrantedAuthority对象存入authorities中
authorities =permissions.stream()
.map(SimpleGrantedAuthority::new)
.collect(Collectors.toList());
return authorities;
}
@Override
public String getPassword() {
return user.getPassword();
}
@Override
public String getUsername() {
return user.getUserName();
}
@Override
public boolean isAccountNonExpired() {
return true;
}
@Override
public boolean isAccountNonLocked() {
return true;
}
@Override
public boolean isCredentialsNonExpired() {
return true;
}
@Override
public boolean isEnabled() {
return true;
}
}
User实体类
package com.kai.domain;
import com.baomidou.mybatisplus.annotation.TableId;
import com.baomidou.mybatisplus.annotation.TableName;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import java.io.Serializable;
import java.util.Date;
/**
* 用户表(User)实体类
*/
@Data
@AllArgsConstructor
@NoArgsConstructor
@TableName("sys_user")
public class User implements Serializable {
private static final long serialVersionUID = -40356785423868312L;
/**
* 主键
*/
@TableId
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;
}
LoginController
package com.kai.controller;
import com.kai.domain.ResponseResult;
import com.kai.domain.User;
import com.kai.service.Loginservice;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class LoginController {
@Autowired
private Loginservice loginservice;
@GetMapping("/user/login")
public ResponseResult login(@RequestBody User user) {
return loginservice.login(user);
}
@RequestMapping("/user/logout")
public ResponseResult logout(){
return loginservice.logout();
}
}
实现层:service.impl LoginUserImpl 在authenticationToken中那数据
package com.kai.service.Impl;
import com.kai.domain.LoginUser;
import com.kai.domain.ResponseResult;
import com.kai.domain.User;
import com.kai.service.Loginservice;
import com.kai.utils.JwtUtil;
import com.kai.utils.RedisCache;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.stereotype.Service;
import java.util.HashMap;
import java.util.Objects;
@Service
@Slf4j
public class LoginServiceImpl implements Loginservice {
@Autowired
private AuthenticationManager authenticationManager;
@Autowired
private RedisCache redisCache;
@Override
public ResponseResult login(User user) {
UsernamePasswordAuthenticationToken authenticationToken =
new UsernamePasswordAuthenticationToken(user.getUserName(), user.getPassword());
Authentication authenticate = authenticationManager.authenticate(authenticationToken);
if(Objects.isNull(authenticate)){
throw new RuntimeException("用户名或密码错误");
}
//使用userId生成token
LoginUser loginUser = (LoginUser) authenticate.getPrincipal();
String userId = loginUser.getUser().getId().toString();
String jwt = JwtUtil.createJWT(userId);
//authenticate存入redis
redisCache.setCacheObject("login:"+userId,loginUser);
String redisKey = "login:" + userId;
LoginUser cacheObject = redisCache.getCacheObject(redisKey);
log.info("redis对象为{}",cacheObject);
HashMap map = new HashMap<>();
map.put("token",jwt);
return new ResponseResult(200,"登录成功",map);
}
@Override
public ResponseResult logout() {
Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
LoginUser loginUser = (LoginUser) authentication.getPrincipal();
String userid = loginUser.getUser().getId().toString();
redisCache.deleteObject("login:"+userid);
return new ResponseResult(200,"退出成功");
}
}
package com.kai.Filter;
import com.kai.domain.LoginUser;
import com.kai.utils.JwtUtil;
import com.kai.utils.RedisCache;
import io.jsonwebtoken.Claims;
import lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;
import org.springframework.web.filter.OncePerRequestFilter;
import javax.servlet.FilterChain;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Objects;
@Component
@Slf4j
public class JwtAuthenticationTokenFilter extends OncePerRequestFilter {
@Autowired
private RedisCache redisCache;
@SneakyThrows
@Override
protected void doFilterInternal(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, FilterChain filterChain) {
//获取token
String token = httpServletRequest.getHeader("token");
if(!StringUtils.hasText(token)){
//放行
filterChain.doFilter(httpServletRequest,httpServletResponse);
return;
}
//解析token
String userId = null;
try {
Claims claims = JwtUtil.parseJWT(token);
userId = claims.getSubject();
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException("token非法");
}
//从redis中获取信息
// redisCache.setCacheObject("login:"+userId,loginUser);
String redisKey = "login:" +userId;
LoginUser loginUser = redisCache.getCacheObject(redisKey);
log.info("redis对象为{}",loginUser);
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 =
new UsernamePasswordAuthenticationToken(loginUser,null,loginUser.getAuthorities());
SecurityContextHolder.getContext().setAuthentication(authenticationToken);
//放行
filterChain.doFilter(httpServletRequest, httpServletResponse);
}
}
AccessDeniedHandlerImpl
package com.kai.Handler;
import com.alibaba.fastjson.JSON;
import com.kai.domain.ResponseResult;
import com.kai.utils.WebUtils;
import org.springframework.http.HttpStatus;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.web.access.AccessDeniedHandler;
import org.springframework.stereotype.Component;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
@Component
public class AccessDeniedHandlerImpl implements AccessDeniedHandler {
@Override
public void handle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, AccessDeniedException e) throws IOException, ServletException {
ResponseResult responseResult = new ResponseResult(HttpStatus.FORBIDDEN.value(), "权限不足");
String json = JSON.toJSONString(responseResult);
WebUtils.renderString(httpServletResponse,json);
}
}
AuthenticationEntryPointImpl
package com.kai.Handler;
import com.alibaba.fastjson.JSON;
import com.kai.domain.ResponseResult;
import com.kai.utils.WebUtils;
import org.springframework.http.HttpStatus;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.stereotype.Component;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
@Component
public class AuthenticationEntryPointImpl implements AuthenticationEntryPoint {
@Override
public void commence(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, AuthenticationException e) throws IOException, ServletException {
ResponseResult responseResult = new ResponseResult(HttpStatus.UNAUTHORIZED.value(),"认证失败,请重新登录");
String json = JSON.toJSONString(responseResult);
WebUtils.renderString(httpServletResponse,json);
}
}
之后在securityConfig中进行配置即可;