cf-ddns

cf-ddns.py

#-*- coding: utf-8 -*
import requests

class ddns:
    
    def __init__(self):
        self.auth_email = "abc@abc.com" # cloudflare email
        self.auth_key= "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" #https://dash.cloudflare.com/profile/api-tokens Global API Key
        self.zone_name= "abc.xyz" 
        self.record_name= "xx.abc.xyz"
        self.headers = {
            'X-Auth-Email' : self.auth_email,
            'X-Auth-Key': self.auth_key,
            'Content-Type': 'application/json'
        }
        self.zone_identifier = self.get_zone()
        self.zone_identifier_target = self.get_record()['id']
        # with open('ip.txt',mode='r',encoding='utf-8') as f:
        #     self.old_ip = f.read()
    
    def get_ip(self):
        req = requests.get('http://ipv4.icanhazip.com')
        return req.text.strip()

    def get_zone(self):
        url = 'https://api.cloudflare.com/client/v4/zones'
        payload ={
            'name' : self.zone_name 
        }
        req = requests.get(url,headers=self.headers,params=payload)
        # pprint(req.json())
        # with open('a.json',mode='w') as f:
        #     f.write(json.dumps(req.json()))
        return req.json()['result'][0]['id']
    
    def get_record(self):
        url = f'https://api.cloudflare.com/client/v4/zones/{self.zone_identifier}/dns_records'
        payload ={
            'name' : self.record_name
        }
        req = requests.get(url,headers=self.headers,params=payload)
        return req.json()['result'][0]
    
    def put_ip(self,ip):
        url = f'https://api.cloudflare.com/client/v4/zones/{self.zone_identifier}/dns_records/{self.zone_identifier_target}'
        data = {
            "id" : self.zone_identifier,
            "type" : "A",
            "name" : self.record_name,
            "content" : ip
        }
        req = requests.put(url,headers=self.headers,json=data)
        return req
        
    def main(self):
        self.ip = self.get_ip()
        self.record = self.get_record()
        # self.get_zone()
        if self.record['content'] == self.ip:
            exit(f'Record {self.record_name} IP no changed')
        else:
            self.put_ip(self.ip)
            self.record_name = self.record['name']
            print(f'Record : {self.record_name}')
            print(f'IP changed to: {self.ip}')
            

if __name__ == '__main__':
    ddns = ddns()
    ddns.main()