test-cert-valid.mjs

import { connect } from 'node:tls';

// let ev = JSON.parse(event);
// let urlFromPayload = ev.payload;


// 检查SSL证书函数
async function checkSSLCertificate(hostname, port = 443) {
  return new Promise((resolve, reject) => {
    /**
     * @type {import('node:tls').ConnectionOptions}
     */
    const options = {
      host: hostname,
      port: port,
      servername: hostname,
      rejectUnauthorized: false, // 允许自签名证书
      timeout: 10000, // 设置连接超时时间为10秒
      allowPartialTrustChain: true, // 允许部分信任链
    };

    const socket = connect(options, () => {
      const cert = socket.getPeerCertificate();

      // 获取证书信息
      const result = {
        subject: cert.subject,
        issuer: cert.issuer,
        validFrom: new Date(cert.valid_from),
        validTo: new Date(cert.valid_to),
        daysRemaining: Math.floor((new Date(cert.valid_to) - new Date()) / (1000 * 60 * 60 * 24))
      };

      socket.end();
      resolve(result);
    });

    socket.on('error', (error) => {
      reject(error);
    });
  });
}

// 使用示例
const url = 'onlinetool.cc';
try {
  const certInfo = await checkSSLCertificate(url);
  console.log('证书信息:', certInfo);
  console.log(`域名: ${url}`);
  console.log(`证书有效期从: ${certInfo.validFrom}`);
  console.log(`证书有效期至: ${certInfo.validTo}`);
  console.log(`剩余天数: ${certInfo.daysRemaining}天`);
  let returnObj = {
    url: url,
    daysRemaining: certInfo.daysRemaining,
    validFrom: certInfo.validFrom,
    validTo: certInfo.validTo
  }
  // return returnObj;
} catch (error) {
  console.error('获取证书信息失败:', error);
}