获取MAC地址

/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/

import { networkInterfaces } from 'os';

const invalidMacAddresses = new Set([
  '00:00:00:00:00:00',
  'ff:ff:ff:ff:ff:ff',
  'ac:de:48:00:11:22'
]);

function validateMacAddress(candidate: string): boolean {
  const tempCandidate = candidate.replace(/\-/g, ':').toLowerCase();
  return !invalidMacAddresses.has(tempCandidate);
}

export function getMac(): string {
  const ifaces = networkInterfaces();
  for (const name in ifaces) {
    const networkInterface = ifaces[name];
    if (networkInterface) {
      for (const { mac } of networkInterface) {
        if (validateMacAddress(mac)) {
          return mac;
        }
      }
    }
  }

  throw new Error('Unable to retrieve mac address (unexpected format)');
}