基于DNSPOD (www.dnspod.com)的动态域名解析脚本。

ddns_dnspod.md

DDNS_DNSPOD

###功能 基于DNSPOD (www.dnspod.com)的动态域名解析脚本：

适用于有域名在手，并且托管到dnspod的童鞋。

###原理 基于dnspod提供的api，提交信息。 如果IP地址没有改变，则不处理；如果改变了则提交新的IP地址。

###引用申明 本脚本基于roy@leadnt.com的原始dnspod脚本，修改了IP地址获取部分。

ddns_dnspod.py

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

import urllib2,urllib,json,socket,commands
# Based on roy@leadnt.com code

class DNS:
    #Dnspod账户
    _dnspod_user = 'dnspod_username'
    #Dnspod密码
    _dnspod_pwd = 'dnspod_password'
    #Dnspod主域名，注意：是你注册的域名
    _domain = 'your domain'
    #子域名，如www，如果要使用根域名，用@
    _sub_domain = 'your subdomain'

    def getIP(self):
        """get local IP based on socket. 
        Try to connect baidu.com, then getsockname"""
        s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
        s.connect(('baidu.com', 0))
        return s.getsockname()[0]
    
   
   def getlocalIP(self, intf='eth0'):
        """get local IP from eth0.
        If VPN is connected, getIP will get assigned VPN client IP. 
        So we need to get IP from eth0 or eth1"""
        intf_ip = commands.getoutput("ip address show dev " + intf).split()
        intf_ip = intf_ip[intf_ip.index('inet') + 1].split('/')[0]
        return intf_ip


    def api_call(self,api,data):
        try:
            api = 'https://dnsapi.cn/' + api
            data['login_email'] = self._dnspod_user
            data['login_password'] = self._dnspod_pwd
            data['format'] ='json'
            data['lang'] =  'cn'
            data['error_on_empty'] = 'no'

            data = urllib.urlencode(data)
            req = urllib2.Request(api,data,
                headers = {
                    'UserAgent' : 'LocalDomains/1.0.0',
                    'Content-Type':'application/x-www-form-urlencoded;text/html; charset=utf8',
                    })
            res = urllib2.urlopen(req)
            html = res.read()
            results = json.loads(html)
            return results
        except Exception as e:
            print e


    def main(self):
        ip = self.getIP()
        if '192.168' in ip:
            ip = self.getlocalIP()
        dinfo = self.api_call('domain.info',{'domain' : self._domain})
        domainId = dinfo['domain']['id']
        rs = self.api_call('record.list',
            {
                'domain_id': domainId,
                'offset' :'0',
                'length' : '1',
                'sub_domain' : self._sub_domain
            })

        if rs['info']['record_total'] == 0:
            self.api_call('record.create',
                {
                    'domain_id' : domainId,
                    'sub_domain' : self._sub_domain,
                    'record_type' : 'A',
                    'record_line' : '默认',
                    'value' : ip,
                    'ttl' : '3600'
                })
            print 'Success.'
        else:
            if rs['records'][0]['value'].strip() != ip.strip():
                self.api_call('record.modify',
                {
                    'domain_id' : domainId,
                    'record_id' : rs['records'][0]['id'],
                    'sub_domain' : self._sub_domain,
                    'record_type' : 'A',
                    'record_line' : '默认',
                    'value' : ip
                    })
            else:
                print 'Success.'

if __name__ == '__main__':
    d = DNS();
    d.main()