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一个工具类库

There is a newer version: 1.0.2

package com.github.codeinghelper.jwt;

import com.auth0.jwt.JWT;
import com.auth0.jwt.algorithms.Algorithm;
import com.auth0.jwt.exceptions.JWTVerificationException;
import com.auth0.jwt.interfaces.Claim;
import com.auth0.jwt.interfaces.DecodedJWT;
import com.auth0.jwt.interfaces.JWTVerifier;
import com.github.codeinghelper.util.DateUtil;
import org.springframework.beans.factory.annotation.Value;

import java.util.*;

/**
 * @author ：lzz
 * @BelongsProject: com.github.codeinghelper.jwt
 * @date ：Created in 2020/8/13 11:29
 * @description ：
 * @modified By：
 */
public class JwtToken {


    public static Optional> getClaims(String token, String jwtKey) {
        DecodedJWT decodedJWT;
        Algorithm algorithm = Algorithm.HMAC256(jwtKey);
        JWTVerifier jwtVerifier = JWT.require(algorithm).build();
        try {
            decodedJWT = jwtVerifier.verify(token);
        } catch (JWTVerificationException e) {
            return Optional.empty();
        }
        return Optional.of(decodedJWT.getClaims());
    }

    public static Boolean verifyToken(String token, String jwtKey) {
        try {
            Algorithm algorithm = Algorithm.HMAC256(jwtKey);
            JWTVerifier verifier = JWT.require(algorithm).build();
            verifier.verify(token);
        } catch (JWTVerificationException e) {
            return false;
        }
        return true;
    }


    public static String makeToken(String sessionId, String jwtKey, Integer expiredTimeIn) {
        return JwtToken.getToken(sessionId, jwtKey, expiredTimeIn);
    }


    private static String getToken(String sessionId, String jwtKey, Integer expiredTimeIn) {
        Algorithm algorithm = Algorithm.HMAC256(jwtKey);


        return JWT.create()
                .withClaim("sessionId", sessionId)
                .withExpiresAt(DateUtil.addSeconds(expiredTimeIn))
                .withIssuedAt(DateUtil.getNow())
                .sign(algorithm);
    }


}