package com.panzhihua.common.utlis;
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import java.io.Serializable;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.Map;
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import org.springframework.stereotype.Component;
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import com.panzhihua.common.constants.TokenConstant;
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import com.panzhihua.common.model.vos.LoginUserInfoVO;
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import io.jsonwebtoken.Claims;
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import io.jsonwebtoken.Jwts;
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import io.jsonwebtoken.SignatureAlgorithm;
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/**
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* token验证处理
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*
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* @author ruoyi
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*/
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@Component
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public class JWTTokenUtil implements Serializable {
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/**
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* 从数据声明生成令牌
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*
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* @param claims
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* 数据声明
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* @return 令牌
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*/
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private static String generateToken(Map<String, Object> claims) {
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Date expirationDate = new Date(System.currentTimeMillis() + TokenConstant.EXPIRETIME_LONG * 60 * 1000 * 72);
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return Jwts.builder().setClaims(claims).setExpiration(expirationDate)
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.signWith(SignatureAlgorithm.HS512, TokenConstant.SECRET).compact();
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}
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/**
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* 生成刷新token
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*
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* @param claims
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* tokenbody
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* @return refreshtoken
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*/
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private static String generateTokenRefreshToken(Map<String, Object> claims) {
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Date expirationDate = new Date(System.currentTimeMillis() + TokenConstant.EXPIRETIME_REFRESH * 60 * 60 * 1000);
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return Jwts.builder().setClaims(claims).setExpiration(expirationDate)
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.signWith(SignatureAlgorithm.HS512, TokenConstant.SECRET).compact();
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}
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/**
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* 从令牌中获取数据声明
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*
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* @param token
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* 令牌
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* @return 数据声明
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*/
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public static Claims getClaimsFromToken(String token) {
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Claims claims;
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try {
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claims = Jwts.parser().setSigningKey(TokenConstant.SECRET).parseClaimsJws(token).getBody();
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} catch (Exception e) {
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claims = null;
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}
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return claims;
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}
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/**
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* 生成令牌
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*
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* @param loginUserInfoVO
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* 用户
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* @return 令牌
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*/
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public static String generateToken(LoginUserInfoVO loginUserInfoVO) {
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Map<String, Object> claims = new HashMap<>(2);
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claims.put("sub", loginUserInfoVO.getUserId());
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claims.put("created", new Date());
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claims.put("type", loginUserInfoVO.getType());
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return generateToken(claims);
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}
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/**
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* 从令牌中获取用户名
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*
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* @param token
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* 令牌
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* @return 用户名
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*/
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public static String getUsernameFromToken(String token) {
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String username;
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try {
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Claims claims = getClaimsFromToken(token);
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username = claims.getSubject();
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} catch (Exception e) {
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username = null;
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}
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return username;
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}
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/**
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* 判断令牌是否过期
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*
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* @param token
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* 令牌
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* @return 是否过期
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*/
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public static Boolean isTokenExpired(String token) {
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try {
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Claims claims = getClaimsFromToken(token);
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Date expiration = claims.getExpiration();
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return expiration.before(new Date());
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} catch (Exception e) {
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return true;
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}
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}
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/**
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* 刷新令牌
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*
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* @param token
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* 原令牌
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* @return 新令牌
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*/
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public static String refreshToken(String token) {
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String refreshedToken;
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try {
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Claims claims = getClaimsFromToken(token);
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claims.put("created", new Date());
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refreshedToken = generateToken(claims);
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} catch (Exception e) {
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refreshedToken = null;
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}
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return refreshedToken;
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}
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/**
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* 验证令牌
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*
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* @param token
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* 令牌
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* @param loginUserInfoVO
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* 用户
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* @return 是否有效
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*/
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public static Boolean validateToken(String token, LoginUserInfoVO loginUserInfoVO) {
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String username = getUsernameFromToken(token);
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return (username.equals(loginUserInfoVO.getUserId()) && !isTokenExpired(token));
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}
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public static void main(String[] args) {
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Claims claims = JWTTokenUtil.getClaimsFromToken(
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"eyJhbGciOiJIUzUxMiJ9.eyJzdWIiOjIsInR5cGUiOjEsImV4cCI6MTYwNjM1NzkzOSwiY3JlYXRlZCI6MTYwNjM1NjEzOTEzN30.zIj31TLHk4B9F45OszrJWfOlhZL5CWviP2RgsFP6LZuci6MlPn0iVbekioP01DRsu59mWd5FMyhd9WLvMtfxMg");
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Boolean tokenExpired = JWTTokenUtil.isTokenExpired(
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"eyJhbGciOiJIUzUxMiJ9.eyJzdWIiOjIsInR5cGUiOjEsImV4cCI6MTYwNjM2MDQzNSwiY3JlYXRlZCI6MTYwNjM1ODYzNTI3MX0.7R3SG6hu-sr_KiPpgepubl_1FdaooCNJ0URHWv6Jynr7m8JIar2kUAnhHfWOfHrNILQb5Q-nqxceXdavcuVOXg");
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System.out.println(claims);
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}
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/**
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* 生成刷新token
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*
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* @param loginUserInfoVO
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* 登录用户基本信息
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* @return refreshtoken
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*/
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public static String generateRefeshToken(LoginUserInfoVO loginUserInfoVO) {
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Map<String, Object> claims = new HashMap<>(2);
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claims.put("sub", loginUserInfoVO.getUserId());
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claims.put("created", new Date());
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claims.put("type", loginUserInfoVO.getType());
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return generateTokenRefreshToken(claims);
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}
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}
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