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@@ -1,115 +0,0 @@
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-package com.ctsi.utils;
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-
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-
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-import io.jsonwebtoken.Claims;
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-import io.jsonwebtoken.JwtBuilder;
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-import io.jsonwebtoken.Jwts;
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-import io.jsonwebtoken.SignatureAlgorithm;
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-
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-import javax.crypto.SecretKey;
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-import javax.crypto.spec.SecretKeySpec;
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-import java.util.Base64;
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-import java.util.Date;
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-import java.util.UUID;
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-
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-/**
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- * JWT工具类
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- */
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-public class JwtUtil {
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-
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- //有效期为
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- public static final Long JWT_TTL = 60 * 60 *1000L;// 60 * 60 *1000 一个小时
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- //设置秘钥明文
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- public static final String JWT_KEY = "sangeng";
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-
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- public static String getUUID(){
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- String token = UUID.randomUUID().toString().replaceAll("-", "");
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- return token;
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- }
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-
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- /**
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- * 生成jtw
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- * @param subject token中要存放的数据（json格式）
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- * @return
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- */
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- public static String createJWT(String subject) {
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- JwtBuilder builder = getJwtBuilder(subject, null, getUUID());// 设置过期时间
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- return builder.compact();
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- }
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-
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- /**
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- * 生成jtw
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- * @param subject token中要存放的数据（json格式）
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- * @param ttlMillis token超时时间
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- * @return
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- */
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- public static String createJWT(String subject, Long ttlMillis) {
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- JwtBuilder builder = getJwtBuilder(subject, ttlMillis, getUUID());// 设置过期时间
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- return builder.compact();
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- }
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-
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- private static JwtBuilder getJwtBuilder(String subject, Long ttlMillis, String uuid) {
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- SignatureAlgorithm signatureAlgorithm = SignatureAlgorithm.HS256;
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- SecretKey secretKey = generalKey();
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- long nowMillis = System.currentTimeMillis();
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- Date now = new Date(nowMillis);
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- if(ttlMillis==null){
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- ttlMillis=JwtUtil.JWT_TTL;
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- }
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- long expMillis = nowMillis + ttlMillis;
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- Date expDate = new Date(expMillis);
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- return Jwts.builder()
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- .setId(uuid) //唯一的ID
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- .setSubject(subject) // 主题 可以是JSON数据
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- .setIssuer("sg") // 签发者
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- .setIssuedAt(now) // 签发时间
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- .signWith(signatureAlgorithm, secretKey) //使用HS256对称加密算法签名, 第二个参数为秘钥
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- .setExpiration(expDate);
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- }
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-
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- /**
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- * 创建token
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- * @param id
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- * @param subject
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- * @param ttlMillis
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- * @return
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- */
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- public static String createJWT(String id, String subject, Long ttlMillis) {
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- JwtBuilder builder = getJwtBuilder(subject, ttlMillis, id);// 设置过期时间
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- return builder.compact();
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- }
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-
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- public static void main(String[] args) throws Exception {
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- String token = "eyJhbGciOiJIUzI1NiJ9.eyJqdGkiOiJjYWM2ZDVhZi1mNjVlLTQ0MDAtYjcxMi0zYWEwOGIyOTIwYjQiLCJzdWIiOiJzZyIsImlzcyI6InNnIiwiaWF0IjoxNjM4MTA2NzEyLCJleHAiOjE2MzgxMTAzMTJ9.JVsSbkP94wuczb4QryQbAke3ysBDIL5ou8fWsbt_ebg";
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- Claims claims = parseJWT(token);
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- System.out.println(claims);
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- }
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-
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- /**
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- * 生成加密后的秘钥 secretKey
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- * @return
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- */
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- public static SecretKey generalKey() {
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- byte[] encodedKey = Base64.getDecoder().decode(JwtUtil.JWT_KEY);
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- SecretKey key = new SecretKeySpec(encodedKey, 0, encodedKey.length, "AES");
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- return key;
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- }
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-
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- /**
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- * 解析
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- *
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- * @param jwt
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- * @return
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- * @throws Exception
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- */
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- public static Claims parseJWT(String jwt) throws Exception {
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- SecretKey secretKey = generalKey();
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- return Jwts.parser()
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- .setSigningKey(secretKey)
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- .parseClaimsJws(jwt)
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- .getBody();
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- }
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-
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-
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-}
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-
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