package com.fr.plugin.gzwauth.utils;

import com.nimbusds.jose.*;
import com.nimbusds.jose.crypto.MACSigner;
import com.nimbusds.jose.shaded.json.JSONObject;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

public class TokenUtil {
    public static final JWSHeader header = new JWSHeader(JWSAlgorithm.HS256, JOSEObjectType.JWT, null, null, null, null, null, null, null, null, null, null, null);

    /**
     * 获取Token
     * @param sysId      系统ID
     * @param secretkey  密钥
     * @return
     */
    public static String getToken(String sysId, String secretkey){
        Map<String, Object> payload = new HashMap();
        payload.put("sid", sysId);
        payload.put("iat", System.currentTimeMillis());
        payload.put("rand", UUID.randomUUID());
        String token = "";
        try {
            token = createToken(header, SM3Util.SM3Encode(Md5Util.getMD5(secretkey)).getBytes(), payload);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return token;
    }
    public static String createToken(JWSHeader header, byte[] SECRET, Map<String, Object> payload) {
        String tokenString = null;
        // 创建一个 JWS object
        JWSObject jwsObject = new JWSObject(header, new Payload(new JSONObject(payload)));
        try {
            // 将jwsObject 进行HMAC签名
            jwsObject.sign(new MACSigner(SECRET));
            tokenString = jwsObject.serialize();
        } catch (JOSEException e) {
            e.printStackTrace();
        }
        return tokenString;
    }
    public static void main(String[] args)  {
        System.out.println(getToken("1001","admin111111"));
    }
}