Refactored to include a CloudflareAPI class
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parent
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commit
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142
src/main.py
142
src/main.py
@ -24,40 +24,60 @@ import argparse
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import configparser
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import contextlib
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import logging
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from collections import OrderedDict
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class CloudflairAPI:
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domain_name = None
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cf_api_key = None
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cf_zone_id = None
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cf_record_id = None
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def __init__(self, domain_name, cf_api_key, cf_zone_id, cf_record_id):
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self.domain_name = domain_name
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self.cf_api_key = cf_api_key
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self.cf_zone_id = cf_zone_id
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self.cf_record_id = cf_record_id
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def get_cf_dns_domain(cf_zone_id):
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def get_missing_config_var(self):
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keys = ("domain_name", "cf_api_key", "cf_zone_id", "cf_record_id")
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missing_parameter = next(
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(key for key in keys if getattr(self, key) is None),
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None
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)
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return missing_parameter
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def get_cf_dns_domain(self):
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return "https://api.cloudflare.com/client/v4/zones/{}/dns_records".format(
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cf_zone_id
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self.cf_zone_id
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)
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def get_cf_dns_domain_record_id(cf_zone_id, cf_record_id):
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return "/".join([
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get_cf_dns_domain(cf_zone_id),
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cf_record_id
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])
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def get_cf_dns_domain_record_id(self):
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return "{}/{}".format(
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self.get_cf_dns_domain(),
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self.cf_record_id
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)
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# !! Do not use this !! The global Cloudflair API is dangerous. Keeping this here for posterity and info
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# def get_headers_global_api(cf_api_key, cf_email):
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# return {
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# "X-Auth-Key": cf_api_key,
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# "X-Auth-Email": cf_email
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# }
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# !! Do not use this !! The global Cloudflair API is dangerous. Keeping this here for posterity and info
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# def get_headers_global_api(cf_api_key, cf_email):
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# return {
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# "X-Auth-Key": cf_api_key,
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# "X-Auth-Email": cf_email
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# }
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def get_headers(cf_api_key):
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def get_headers(self):
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return {
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"Authorization": "Bearer {}".format(cf_api_key)
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"Authorization": "Bearer {}".format(self.cf_api_key)
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}
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def get_record_id(cf_zone_id, cf_api_key):
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def get_record_id(self):
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resp = requests.get(
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url=get_cf_dns_domain(cf_zone_id),
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headers=get_headers(cf_api_key)
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url=self.get_cf_dns_domain(),
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headers=self.get_headers()
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)
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failed = resp.status_code != 200
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if not failed:
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@ -65,48 +85,42 @@ def get_record_id(cf_zone_id, cf_api_key):
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return failed
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# A hack to prevent pycharm from bitching
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def dictionary_split(s, delim='='):
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k, v = s.split(delim, 1)
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return k, v
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# Get the current ip address of the user
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def get_new_ip():
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with contextlib.suppress(Exception):
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a = requests.get("https://1.1.1.1/cdn-cgi/trace").text.split("\n")
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ip = dict(dictionary_split(item) for item in a if item != "")["ip"]
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return ip
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return None
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def get_old_ip(cf_zone_id, cf_record_id, cf_api_key):
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def get_old_ip(self):
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resp = requests.get(
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url=get_cf_dns_domain_record_id(cf_zone_id, cf_record_id),
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headers=get_headers(cf_api_key)
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url=self.get_cf_dns_domain_record_id(),
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headers=self.get_headers()
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)
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if resp.status_code == 200:
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return resp.json()["result"]["content"]
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return None
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def put_new_ip(domain_name, ip, cf_zone_id, cf_record_id, cf_api_key):
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def put_new_ip(self, ip):
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json_payload = {
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"type": 'A',
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"name": domain_name,
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"name": self.domain_name,
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"content": ip,
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"proxied": True
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}
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resp = requests.put(
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url=get_cf_dns_domain_record_id(cf_zone_id, cf_record_id),
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url=self.get_cf_dns_domain_record_id(),
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json=json_payload,
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headers=get_headers(cf_api_key)
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headers=self.get_headers()
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)
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success = resp.status_code == 200
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return success
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# Get the current ip address of the user
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def get_new_ip():
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with contextlib.suppress(Exception):
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a = requests.get("https://1.1.1.1/cdn-cgi/trace").text.split("\n")
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ip = dict(item.split('=', 1) for item in filter(None, a))["ip"]
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return ip
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return None
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def config_parser_has_option(config, profile, option):
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# 'DEFAULT' is a special value in ConfigParser
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config_name = "" if profile == "DEFAULT" else profile
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@ -162,36 +176,28 @@ def main():
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config = configparser.ConfigParser()
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config.read(arguments.config)
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options = OrderedDict([
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("domain_name", config_parser_has_option(config, arguments.profile, "domain_name")),
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("cf_api_key", config_parser_has_option(config, arguments.profile, "cf_api_key")),
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("cf_zone_id", config_parser_has_option(config, arguments.profile, "cf_zone_id")),
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("cf_record_id", config_parser_has_option(config, arguments.profile, "cf_record_id"))
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])
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cloudflair_api = CloudflairAPI(
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domain_name = config_parser_has_option(config, arguments.profile, "domain_name"),
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cf_api_key = config_parser_has_option(config, arguments.profile, "cf_api_key"),
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cf_zone_id = config_parser_has_option(config, arguments.profile, "cf_zone_id"),
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cf_record_id = config_parser_has_option(config, arguments.profile, "cf_record_id")
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)
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# Validate configuration file
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missing_parameter = next((i for i in options if options[i] is None and i != "cf_record_id"), None)
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if missing_parameter is not None:
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logging.error("Configuration: {} | Profile: {} | Option: {}".format(
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missing_parameter = cloudflair_api.get_missing_config_var()
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# If cf_zone_id is None, print out all record ids. The user will have to update this setting in their config file
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# This will have to be done once
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if missing_parameter == "cf_record_id" or arguments.get_record_ids:
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return int(cloudflair_api.get_record_id())
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elif missing_parameter is not None:
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logging.error("Missing Configuration - Configuration: {} | Profile: {} | Option: {}".format(
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arguments.config, arguments.profile, missing_parameter
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))
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return 1
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# If cf_zone_id is None, print out all record ids. The user will have to update this setting in their config file
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# This will have to be done at least once
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if arguments.get_record_ids or options["cf_record_id"] is None:
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return int(get_record_id(options["cf_zone_id"], options["cf_api_key"]))
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# Get the current dns record from cloudflair (old)
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old_ip = get_old_ip(options["cf_zone_id"], options["cf_record_id"], options["cf_api_key"])
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# Get the current ip address of the server (new)
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new_ip = None
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if arguments.set:
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new_ip = arguments.set
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else:
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new_ip = get_new_ip()
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old_ip = cloudflair_api.get_old_ip()
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new_ip = arguments.set or get_new_ip()
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if new_ip is None:
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logging.error("Could not determine new IP")
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@ -207,10 +213,10 @@ def main():
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elif old_ip == new_ip:
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logging.info("New IP matches old IP: {}".format(new_ip))
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else:
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if put_new_ip(options["domain_name"], new_ip, options["cf_zone_id"], options["cf_record_id"], options["cf_api_key"]):
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logging.info("IP updated to: {} from: {}".format(old_ip, new_ip))
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if cloudflair_api.put_new_ip(new_ip):
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logging.info("IP updated to: {} from: {}".format(new_ip, old_ip))
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else:
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logging.error("Failed to update to: {} from: {}".format(old_ip, new_ip))
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logging.error("Failed to update to: {} from: {}".format(new_ip, old_ip))
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return 1
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return 0
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