JWT在springbot3+JDK17下的適配

依賴匯入

<dependency>
	<groupId>io.jsonwebtoken</groupId>
	<artifactId>jjwt</artifactId>
	<version>0.9.1</version>
</dependency>
<!--非JDK17不用匯入如下依賴-->
<dependency>
	<groupId>io.jsonwebtoken</groupId>
	<artifactId>jjwt-jackson</artifactId>
	<version>0.11.5</version>
</dependency>
<dependency>
	<groupId>commons-codec</groupId>
	<artifactId>commons-codec</artifactId>
</dependency>
<dependency>
	<groupId>javax.xml.bind</groupId>
	<artifactId>jaxb-api</artifactId>
	<version>2.3.0</version>
</dependency>
<dependency>
	<groupId>com.sun.xml.bind</groupId>
	<artifactId>jaxb-impl</artifactId>
	<version>2.3.0</version>
</dependency>
<dependency>
	<groupId>com.sun.xml.bind</groupId>
	<artifactId>jaxb-core</artifactId>
	<version>2.3.0</version>
</dependency>
<dependency>
	<groupId>javax.activation</groupId>
	<artifactId>activation</artifactId>
	<version>1.1.1</version>
</dependency>

JWT工具類

package com.shuwei.dai;

import io.jsonwebtoken.*;

import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
import java.util.*;

public class AppJwtUtil {

    // TOKEN的有效期一天（S）
    private static final int TOKEN_TIME_OUT = 3_600;
    // 加密KEY
    private static final String TOKEN_ENCRY_KEY = "SMDk4ZjZiY2Q0NjIxZDM3M2NhZGU0ZTgzMjYyN2I0ZjY";
    // 最小重新整理間隔(S)
    private static final int REFRESH_TIME = 300;

    // 生產ID
    public static String getToken(Long id) {
        Map<String, Object> claimMaps = new HashMap<>();
        claimMaps.put("id", id);
        long currentTime = System.currentTimeMillis();
        return Jwts.builder()
                .setId(UUID.randomUUID().toString())
                .setIssuedAt(new Date(currentTime))  //簽發時間
                .setSubject("system")  //說明
                .setIssuer("heima") //簽發者資訊
                .setAudience("app")  //接收使用者
                .compressWith(CompressionCodecs.GZIP)  //資料壓縮方式
                .signWith(SignatureAlgorithm.HS512, generalKey()) //加密方式
                .setExpiration(new Date(currentTime + TOKEN_TIME_OUT * 1000))  //過期時間戳
                .addClaims(claimMaps) //cla資訊
                .compact();
    }

    /**
     * 獲取token中的claims資訊
     *
     * @param token
     * @return
     */
    private static Jws<Claims> getJws(String token) {
        return Jwts.parser()
                .setSigningKey(generalKey())
                .parseClaimsJws(token);
    }

    /**
     * 獲取payload body資訊
     *
     * @param token
     * @return
     */
    public static Claims getClaimsBody(String token) {
        try {
            return getJws(token).getBody();
        } catch (ExpiredJwtException e) {
            return null;
        }
    }

    /**
     * 獲取hearder body資訊
     *
     * @param token
     * @return
     */
    public static JwsHeader getHeaderBody(String token) {
        return getJws(token).getHeader();
    }

    /**
     * 是否過期
     *
     * @param claims
     * @return -1：有效，0：有效，1：過期，2：過期
     */
    public static int verifyToken(Claims claims) {
        if (claims == null) {
            return 1;
        }
        try {
            claims.getExpiration()
                    .before(new Date());
            // 需要自動重新整理TOKEN
            if ((claims.getExpiration().getTime() - System.currentTimeMillis()) > REFRESH_TIME * 1000) {
                return -1;
            } else {
                return 0;
            }
        } catch (ExpiredJwtException ex) {
            return 1;
        } catch (Exception e) {
            return 2;
        }
    }

    /**
     * 由字串生成加密key
     *
     * @return
     */
    public static SecretKey generalKey() {
        byte[] encodedKey = Base64.getEncoder().encode(TOKEN_ENCRY_KEY.getBytes());
        SecretKey key = new SecretKeySpec(encodedKey, 0, encodedKey.length, "AES");
        return key;
    }

    public static void main(String[] args) {
       /* Map map = new HashMap();
        map.put("id","11");*/
        System.out.println(AppJwtUtil.getToken(1102L));
        Jws<Claims> jws = AppJwtUtil.getJws("eyJhbGciOiJIUzUxMiIsInppcCI6IkdaSVAifQ.H4sIAAAAAAAA_zWLSQrDMAwA_6JzDF7kJfmNgmXiQMAgB1pK_17l0NsMw3zgnB02wJrD2gobXFsyaFsx1Kw30VcX9siJU4AFOk3YXPYFrXM-LiD3rre8ZfL1dBHVg_tFanRXNRpDmV_jf2J-zq4tfn-EHnvSgAAAAA.JIjyu9IPQE3ABX3_6YUJHfaPXDBxzCYze2T5yF7nIvOuAZyFurTi_Ii441w_0e5luoGQacyMjdWVs8xpZ7koog");
        Claims claims = jws.getBody();
        System.out.println(claims.get("id"));

    }

}