mirror of
https://github.com/skoelle/dyndns-updater.git
synced 2026-09-17 16:10:25 +00:00
79 lines
2.4 KiB
Python
79 lines
2.4 KiB
Python
"""Cloudflare DNS-Update-Modul.
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Erwartet Subdomain-Teile relativ zur Zone (z.B. "sub1" oder "*.home"),
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keine FQDNs (z.B. NICHT "sub1.example.org").
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"""
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import logging
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import requests
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log = logging.getLogger("cloudflare")
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API_BASE = "https://api.cloudflare.com/client/v4"
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class CloudflareError(Exception):
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pass
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def _headers(api_token: str):
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return {
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"Authorization": f"Bearer {api_token}",
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"Content-Type": "application/json",
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}
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def _find_record_id(zone_id: str, api_token: str, name: str):
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url = f"{API_BASE}/zones/{zone_id}/dns_records"
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resp = requests.get(
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url, headers=_headers(api_token), params={"type": "A", "name": name}, timeout=15
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)
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resp.raise_for_status()
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data = resp.json()
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results = data.get("result", [])
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if not results:
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return None
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if len(results) > 1:
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log.warning(
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"Mehrere A-Records fuer '%s' gefunden (%d), nur erster wird aktualisiert.",
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name,
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len(results),
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)
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return results[0]["id"]
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def update_records(zone_id: str, api_token: str, record_names, ip: str) -> dict:
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results = {}
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for name in record_names:
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try:
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record_id = _find_record_id(zone_id, api_token, name)
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if record_id is None:
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results[name] = "error: Record nicht gefunden (existiert der A-Record bereits?)"
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log.error("Cloudflare-Record nicht gefunden: %s", name)
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continue
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url = f"{API_BASE}/zones/{zone_id}/dns_records/{record_id}"
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payload = {
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"type": "A",
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"name": name,
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"content": ip,
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"proxied": False,
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"ttl": 60,
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}
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resp = requests.put(url, headers=_headers(api_token), json=payload, timeout=15)
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resp.raise_for_status()
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body = resp.json()
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if not body.get("success"):
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results[name] = f"error: {body.get('errors')}"
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log.error("Cloudflare-Update fehlgeschlagen fuer %s: %s", name, body.get("errors"))
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continue
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results[name] = "ok"
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log.info("Cloudflare-Record aktualisiert: %s -> %s", name, ip)
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except requests.RequestException as exc:
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results[name] = f"error: {exc}"
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log.error("Cloudflare-API-Fehler fuer %s: %s", name, exc)
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return results
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