Python脚本实现DNSPod DNS动态解析域名

闲暇之余，在家里自建了个服务器，因为用的小区宽带，IP位动态分配。域名解析就是个问题，我的域名一般停放在DNSPod下。DNSPod有提供修改的API，就用Python简单的实现了一下动态解析。这样，就不用安装花生壳了。 废话不说，看代码：

    #!/usr/bin/env python
    #-*- coding:utf-8 -*-

    import httplib, urllib, urllib2
    import time
    import sys,os
    import re
    import json

    username = 'xxxx' #账号
    password = 'xxx' #密码
    format = 'json'

    domain = [u'www.youdomain.com'] #要解析的域名

    def get_domain_info(domain):
      domain_split = domain.split('.')
      domain_split_len = len(domain_split)
      maindomain = domain_split[domain_split_len - 2] + '.' + domain_split[domain_split_len - 1]
      return maindomain,domain

    params = {'login_email':username,'login_password':password,'format':format}

    def request(action, params, method = 'POST'):
      headers = {"Content-type": "application/x-www-form-urlencoded", "Accept": "text/json"}
      conn = httplib.HTTPSConnection("dnsapi.cn")
      conn.request(method, '/' + action, urllib.urlencode(params), headers)
      response = conn.getresponse()
      data = response.read()
      conn.close()
      if response.status == 200:
        return data
      else:
        return None

    def get_my_domain_id():
      data = request('Domain.List',params)
      data = json.loads(data)
      domainlist = data.get('domains')
      domaninfo = {}
      for d in domainlist:
        domaninfo[d.get('name')] = d.get('id')
      return domaninfo

    def get_my_domain_record_id(domain_id):
      params['domain_id'] = domain_id
      data = request('Record.List',params)
      data = json.loads(data)
      if data.get('code') == '10':
        return None
      domainname = data.get('domain').get('name')
      record_list = data.get('records')
      record = {}
      for r in record_list:
        if r.get('type') == 'A':
          key = r.get('name') != '@' and r.get('name') + '.' + domainname or domainname
          record[key] = {'id':r.get('id'),'value':r.get('value')}
      return record

    def changerecord(domain,domain_id,record_id,ip):
      params['domain_id'] = domain_id
      params['record_id'] = record_id
      params['record_type'] = 'A'
      params['record_line'] = '默认'
      params['sub_domain'] = domain
      params['ttl'] = 600
      params['value'] = ip
      data = request('Record.Modify',params)

    def getip():
      url = 'http://iframe.ip138.com/ic.asp'
      response = urllib2.urlopen(url)
      text = response.read()
      ip = re.findall(r'\d+.\d+.\d+.\d+', text)
      return ip[0] or None

    def updatedomaininfo(domain):
      m,sub_m = get_domain_info(domain)
      domain_id = my_domain_id_list.get(m)
      record_list = get_my_domain_record_id(domain_id)
      if record_list == None:
        return None
      rocord_info = record_list.get(sub_m)
      record_ip = rocord_info.get('value')
      record_id = rocord_info.get('id')
      return sub_m,record_ip,record_id,domain_id

    if __name__ == '__main__':
      my_domain_id_list = get_my_domain_id()
      try:
        for dm in domain:
          domaindata = updatedomaininfo(dm)
          if domaindata == None:
            continue
          dnsdomain,dnsdmainip,record_id,domain_id = domaindata
          domain_name = dnsdomain.split('.')[0]
          ip = getip()
          if ip == dnsdmainip:
            continue
          else:
            changerecord(domain_name,domain_id,record_id,ip)
      except:
        pass