编辑代码

let crypto = require('crypto');


function md5(content) {
    return crypto.createHash('md5').update(content).digest("hex")
}

// 计算此刻后  minute分钟后的时间
function expiredTime(minute) {
    return Math.floor(new Date().getTime() / 1000 + minute * 60);
}

/**
      * 拉流端获取登录token
      * @param appId  即构分配的appId
      * @param appSign 即构分配的appSign
      * @param userID 这里的userID需要和websdk前端初始化时传入的userID一致，
      // 否则校验失败(因为这里的userID是为了校验和前端传进来的userID是否一致)
      * @return
      */
function getZeGouToken(appId, appSign, userID, minute) {

    let nonce = new Date().getTime().toString();
    let time = expiredTime(minute)
    let appSign32 = appSign.replace(/0x/g, '').replace(/,/g, '').substring(0, 32);
    console.log('appSign:' + time + '    ' + appSign32 + '    ' + nonce);

    if (appSign32.length < 32) {
        console.log('private sign erro!!!!');
        return null;
    }

    let sourece = md5(appId + appSign32 + userID + nonce + time);
    console.log('hash:' + sourece);


    let jsonStr = JSON.stringify({
        'ver': 1,
        'expired': time,
        'nonce': nonce,
        'hash': sourece
    });
    console.log('json', jsonStr);
    return Buffer.from(jsonStr).toString('base64');
}

const appID = 1386410308;
const appSigin = '0xa5,0x45,0x62,xxxxx';
const userID = 'zego-userID';
const minute = 30;

let token = getZeGouToken(appID, appSigin, userID, minute);
console.log('token:',token);