DnsPod 动态DNS 脚本

dnspod-ddns.js

/**
 * @file ddns script for dnspod
 * @author Kyle He
 */

const exec = require('child_process').exec;
const FormData = require('form-data');
const fetch = require('node-fetch');

(new Promise(function (resolve, reject) {
    // 写这个脚本主要是为了能方便地远程桌面到局域网内的另一台的 windows 上，所以这里是读取局域网ip
    // 有其他需求的可以改写下这块，socket请求 ns1.dnspod.net:6666 得到
    // https://github.com/ohsc/dnspod-client/blob/master/src/dnspod.js#L58
    let cmdForGettingIp = 'netsh interface ip show address "无线网络连接" | findstr "IP 地址"'
    exec(cmdForGettingIp, (error, stdout, stderr) => {
      if (error) {
        throw error
      }
      let ipAddr = stdout.trim().split(/\s+/).pop()
      resolve(ipAddr)
    });
})).then(function (ipAddr) {
    console.log('本机的局域网地址是：' + ipAddr)
    if (!/^(\d{1,3}\.){3}\d{1,3}$/.test(ipAddr)) {
        throw new Error('IP 地址不对')
    }

    let data = new FormData()
    // login token: https://support.dnspod.cn/Kb/showarticle/tsid/227
    data.append('login_token', 'xxxx,xxxxxxxxxxxxxxxxxxxxx')
    data.append('format', 'json')
    data.append('lang', 'cn')
    data.append('error_on_empty', 'no')

    data.append('domain_id', 'xxxxxxx')
    data.append('domain', 'xxxxxx.xx')
    data.append('record_id', 'xxxxxxxxxx')
    data.append('sub_domain', 'xxxxx')
    data.append('record_type', 'A')
    data.append('record_line', '默认')
    data.append('value', ipAddr)
    data.append('mx', '10')
    data.append('ttl', '600')
    data.append('status', 'enable')

    console.log('请求中...')
    return fetch('https://dnsapi.cn/Record.Modify', {
        method: 'POST',
        headers: {
            'User-Agent': 'Node Dnspod Client/1.0.0'
        },
        body: data
    })
}).then(function (response) {
    if (response.ok) {
        try {
            return response.json()
        } catch (err) {}
    }
    return response.text().then(function (text) {
        console.log(text)
        throw new Error('Network response was not ok.')
    })
}).then(function ({status, record}) {
    if (status && status.code == 1) {
        console.log(status.message)
        console.log(record.id + ' ' + record.name + ' ' + record.value)
    } else {
        throw new Error(status.code + ' ' + status.message)
    }
}).catch(function (err) {
    console.log('出错了!')
    console.log(err.stack)
    process.exit(1)
})