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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| package com.qzx.xdupartner.util; | ||
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| import io.jsonwebtoken.Claims; | ||
| import io.jsonwebtoken.JwtBuilder; | ||
| import io.jsonwebtoken.Jwts; | ||
| import io.jsonwebtoken.SignatureAlgorithm; | ||
| import lombok.Getter; | ||
| import org.springframework.beans.factory.annotation.Value; | ||
| import org.springframework.stereotype.Component; | ||
|
|
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| import javax.crypto.SecretKey; | ||
| import javax.crypto.spec.SecretKeySpec; | ||
| import java.util.Base64; | ||
| import java.util.Date; | ||
| import java.util.UUID; | ||
|
|
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| /** | ||
| * JWT工具类 | ||
| */ | ||
| @Component | ||
| public class JwtUtil { | ||
|
|
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| //有效期为 | ||
| public static final Long JWT_TTL = 14 * 24 * 60 * 60 * 1000L;// 60 * 60 *1000 一个小时 | ||
| //设置秘钥明文 | ||
| @Getter | ||
| public static String JWT_KEY = "qzxabc"; | ||
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|
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| @Value("${jwt_key}") | ||
| public void setJwtKey(String jwtKey) { | ||
| JWT_KEY = jwtKey; | ||
| } | ||
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| public static String getUUID() { | ||
| String token = UUID.randomUUID().toString().replaceAll("-", ""); | ||
| return token; | ||
| } | ||
|
|
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| /** | ||
| * 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(); | ||
| } | ||
|
|
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| 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("qzx") // 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(); | ||
| } | ||
|
|
||
| //for test | ||
| public static void main(String[] args) throws Exception { | ||
| String token = ""; | ||
| Claims claims = parseJWT(token); | ||
| System.out.println(claims); | ||
| } | ||
|
|
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| /** | ||
| * 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; | ||
| } | ||
|
|
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| /** | ||
| * 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(); | ||
| } | ||
|
|
||
|
|
||
| } |
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