GuangZhou Xinsi Technology Co. Ltd.

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====== Aliyun DDNS ======

===== - Demo =====


<code python ddns.py>
#!/usr/bin/python3
#coding=utf-8

#pip3 install aliyun-python-sdk-core-v3
#pip3 install aliyun-python-sdk-alidns==2.0.6

import sys
import json

from aliyunsdkcore.client import AcsClient
from aliyunsdkalidns.request.v20150109 import \
    DescribeSubDomainRecordsRequest, \
    AddDomainRecordRequest, \
    UpdateDomainRecordRequest, \
    DeleteDomainRecordRequest


ID = 'xxxxxxxxxxxxxxxxxxxxxxxx'
SECRET = 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
regionId = 'cn-hangzhou'

domainName = 'synce.cn'
subDomain = 'native'

def getTemporaryIPv6Address():
    import requests
    import time
    
    while True:
        try:
            r = requests.get('https://v6.ident.me', timeout = 20)
            
            if r.status_code == 200 :
                ipv6 = r.text
            else:
                ipv6 = ''

            break
        except:
            print('Request exception.')
            pass
    
        time.sleep(5)
    
    return ipv6


def getDomainInfo(domain,Type):
  request = DescribeSubDomainRecordsRequest.DescribeSubDomainRecordsRequest()
  request.set_accept_format('json')

  request.set_Type(Type)

  request.set_SubDomain(domain)

  response = client.do_action_with_exception(request)
  response = str(response, encoding='utf-8')

  return json.loads(response)

def updateDomainRecordEx(client,ip,subdomain,record_id,recordtype='A'):
  request = UpdateDomainRecordRequest.UpdateDomainRecordRequest()
  request.set_accept_format('json')

  # request.set_Priority('1')
  request.set_TTL('600')
  request.set_Value(ip) # 新的ip地址
  request.set_Type(recordtype)
  request.set_RR(subdomain)
  request.set_RecordId(record_id) # 更新记录需要指定 record_id ，该字段为记录的唯一标识，可以在获取方法的返回信息中得到该字段的值

  response = client.do_action_with_exception(request)
  response = str(response, encoding='utf-8')
  return response


if __name__ == "__main__":
    hostIPv6 = getTemporaryIPv6Address()
    typeIPv6 = 'AAAA'


    if hostIPv6 != '':
        print('IPv6 Address: %s'%(hostIPv6))
    else:
        print('Fail to get host IPv6 address.')
        sys.exit(1)

    client = AcsClient(ID, SECRET, regionId)

    domain = subDomain + '.' + domainName;
    info = getDomainInfo(domain,typeIPv6)
    
    if info["TotalCount"] == 1: 
        originalIPv6 = info["DomainRecords"]["Record"][0]["Value"]
       
        if hostIPv6 == originalIPv6:
            print( "%s  %s   (no change)"%(domain.ljust(24,' '),originalIPv6.ljust(40,' ')))
        else:
            record_id = info["DomainRecords"]["Record"][0]["RecordId"]
            update_result = updateDomainRecordEx(client,hostIPv6,subDomain,record_id,typeIPv6)
            print( "%s  %s-> %s"%(domain.ljust(24,' '),originalIPv6.ljust(40,' '),hostIPv6))
    else:
        print('Fail to get information of %s'%(domain,))
        sys.exit(2)
        
    sys.exit(0)
    
</code>

===== - With Configuration file =====
<code python ddns.py>
#!/usr/bin/python3
#coding=utf-8

#pip3 install aliyun-python-sdk-core-v3
#pip3 install aliyun-python-sdk-alidns==2.0.6

import sys
import json

from aliyunsdkcore.client import AcsClient
from aliyunsdkalidns.request.v20150109 import \
    DescribeSubDomainRecordsRequest, \
    AddDomainRecordRequest, \
    UpdateDomainRecordRequest, \
    DeleteDomainRecordRequest

with open("ddns.json","r") as json_file:
    json_dict = json.load(json_file)
    #print(json_dict)
    #print("type(json_dict) = >", type(json_dict))
    #print(json.dumps(json_dict, indent=4))

    ID = json_dict["ID"] 
    SECRET = json_dict["SECRET"]
    regionId = json_dict["regionId"]
    domainName = json_dict["domainName"]
    subDomain = json_dict["subDomain"]


#print('Register Domain: %s.%s'%(subDomain,domainName) )
#print('ID:', ID)
#print('SECRET:', SECRET)
#print('regionId:', regionId)


def getTemporaryIPv6Address():
    import requests
    import time
    
    while True:
        try:
            r = requests.get('https://v6.ident.me', timeout = 20)
            
            if r.status_code == 200 :
                ipv6 = r.text
            else:
                ipv6 = ''

            break
        except:
            print('Request exception.')
            pass
    
        time.sleep(5)
    
    return ipv6


def getDomainInfo(domain,Type):
  request = DescribeSubDomainRecordsRequest.DescribeSubDomainRecordsRequest()
  request.set_accept_format('json')

  request.set_Type(Type)

  request.set_SubDomain(domain)

  response = client.do_action_with_exception(request)
  response = str(response, encoding='utf-8')

  return json.loads(response)

def updateDomainRecordEx(client,ip,subdomain,record_id,recordtype='A'):
  request = UpdateDomainRecordRequest.UpdateDomainRecordRequest()
  request.set_accept_format('json')

  # request.set_Priority('1')
  request.set_TTL('600')
  request.set_Value(ip) # 新的ip地址
  request.set_Type(recordtype)
  request.set_RR(subdomain)
  request.set_RecordId(record_id) # 更新记录需要指定 record_id ，该字段为记录的唯一标识，可以在获取方法的返回信息中得到该字段的值

  response = client.do_action_with_exception(request)
  response = str(response, encoding='utf-8')
  return response


if __name__ == "__main__":
    hostIPv6 = getTemporaryIPv6Address()
    typeIPv6 = 'AAAA'


    if hostIPv6 != '':
        print('IPv6 Address: %s'%(hostIPv6))
    else:
        print('Fail to get host IPv6 address.')
        sys.exit(1)

    client = AcsClient(ID, SECRET, regionId)

    domain = subDomain + '.' + domainName;
    info = getDomainInfo(domain,typeIPv6)
    
    if info["TotalCount"] == 1: 
        originalIPv6 = info["DomainRecords"]["Record"][0]["Value"]
       
        if hostIPv6 == originalIPv6:
            print( "%s  %s   (no change)"%(domain.ljust(24,' '),originalIPv6.ljust(40,' ')))
        else:
            record_id = info["DomainRecords"]["Record"][0]["RecordId"]
            update_result = updateDomainRecordEx(client,hostIPv6,subDomain,record_id,typeIPv6)
            print( "%s  %s-> %s"%(domain.ljust(24,' '),originalIPv6.ljust(40,' '),hostIPv6))
    else:
        print('Fail to get information of %s'%(domain,))
        sys.exit(2)
        
    sys.exit(0)
    
</code>

<code json ddns.json>

{
  "domainName" : "synce.cn",
  "subDomain" : "z800",
  "regionId" : "cn-hangzhou",
  "ID": "xxxxxxxxxx",
  "SECRET": "xxxxxxxxxx"
}

</code>
GuangZhou Xinsi Technology Co. Ltd.

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