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@@ -0,0 +1,68 @@
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+import argparse
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+import logging
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+from time import sleep
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+
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+import requests as r
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+
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+
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+logger = logging.getLogger(__name__)
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+
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+arg_parser = argparse.ArgumentParser()
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+arg_parser.add_argument("-a", "--auth", default="", help="Path to auth file.")
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+arg_parser.add_argument("-l", "--log", default="", help="Log to file instead of stdout")
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+args = arg_parser.parse_args()
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+
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+MINUTE_SEC: int = 60
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+HOUR_SEC: int = MINUTE_SEC * 60
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+DAY_SEC: int = HOUR_SEC * 24
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+SLEEP_TIME_SEC: int = DAY_SEC * 5 + HOUR_SEC * 3 + MINUTE_SEC * 14
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+
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+
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+def dyfi_update(email: str, password: str, hostnames: str) -> None:
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+ res: r.Response = r.get("https://www.dy.fi/nic/update", params={"hostname": hostnames}, auth=(email, password))
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+ if res.status_code != 200:
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+ logger.error("dy.fi responded with code {res.status_code}. Response content:\n{res.text}\n")
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+ else:
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+ logger.info(f"dy.fi responded with 200. Response content: \n{res.text}\n")
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+
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+
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+def parse_auth() -> tuple[str, str, str]:
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+ with open(args.auth, "r") as f:
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+ lines: list[str] = f.readlines()
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+ email_start: int = lines[0].find("EMAIL=")
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+ if email_start == -1:
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+ logger.error("Invalid auth file. Email not found. Must be in the format:\nEMAIL=<email>\nPASSWORD=<password>\nHOSTNAMES=<hostnames>")
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+
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+ email_start += len("EMAIL=")
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+ email = lines[0][email_start:-1]
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+
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+ password_start: int = lines[1].find("PASSWORD=")
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+ if password_start == -1:
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+ logger.error("Invalid auth file. Password not found. Must be in the format:\nEMAIL=<password>\nPASSWORD=<password>\nHOSTNAMES=<hostnames>")
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+
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+ password_start += len("PASSWORD=")
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+ password = lines[1][password_start:-1]
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+
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+ hostnames_start: int = lines[2].find("HOSTNAMES=")
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+ if hostnames_start == -1:
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+ logger.error("Invalid auth file. Hostnames not found. Must be in the format:\nEMAIL=<hostnames>\nPASSWORD=<hostnames>\nHOSTNAMES=<hostnames>")
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+
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+ hostnames_start += len("HOSTNAMES=")
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+ hostnames = lines[2][hostnames_start:-1]
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+
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+ return (email, password, hostnames)
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+
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+
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+if __name__ == "__main__":
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+ logging.basicConfig(filename=args.log, level=logging.INFO, format="(%(asctime)s) %(levelname)s: %(message)s")
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+
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+ if args.auth == "":
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+ logger.error("Must provide a path to an auth file.")
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+ exit(1)
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+
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+ email, password, hostnames = parse_auth()
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+
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+ while True:
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+ dyfi_update(email, password, hostnames)
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+ logger.info(f"Sleeping for {SLEEP_TIME_SEC} seconds")
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+ sleep(SLEEP_TIME_SEC)
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