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collectors/rdap.py

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  1. """RDAP domain registration-data collector (prefer RDAP over legacy WHOIS).
  3. Endpoint: https://rdap.org/domain/{domain} (redirects to authoritative
  4. registry RDAP, e.g. rdap.nic.ch for .ch, Verisign for .com).
  6. Policy:
  7. - cached per domain (resume-safe, no repeated queries for the same domain)
  8. - polite fixed sleep between queries; no identity rotation
  9. - 404 => domain not registered (recorded as rdap_status=not_found)
  10. - non-JSON / rate-limit responses recorded, never retried in a tight loop
  11. """
  13. from __future__ import annotations
  15. import json
  16. import pathlib
  17. import sys
  19. import requests
  21. from collectors import common
  24. def enrich(domains: list[str]) -> dict[str, dict]:
  25. cfg = common.CONFIG["rdap"]
  26. limit = int(cfg.get("max_domains", 250))
  27. sleep_s = float(cfg.get("sleep_seconds", 0.8))
  28. timeout = int(cfg.get("timeout_seconds", 25))
  29. session = requests.Session()
  30. results: dict[str, dict] = {}
  32. todo = list(dict.fromkeys(domains))[:limit]
  33. for i, d in enumerate(todo):
  34. filename = f"rdap_{d}.json"
  35. path = common.raw_dir("rdap") / filename
  36. if path.exists():
  37. try:
  38. results[d] = json.loads(path.read_text())
  39. continue
  40. except Exception:
  41. pass
  42. try:
  43. p, meta, _ = common.get(
  44. cfg["endpoint"].format(domain=d), "rdap", filename,
  45. timeout=timeout, session=session, sleep_seconds=sleep_s,
  46. cache_key=f"rdap:{d}",
  47. )
  48. doc = json.loads(p.read_text())
  49. results[d] = doc
  50. except requests.HTTPError as e:
  51. code = e.response.status_code if e.response is not None else None
  52. if code == 404:
  53. doc = {"domain": d, "rdap_status": "not_found"}
  54. else:
  55. doc = {"domain": d, "rdap_status": f"http_{code}"}
  56. _save(doc, filename)
  57. results[d] = doc
  58. except Exception as e:
  59. doc = {"domain": d, "rdap_status": "error", "error": str(e)[:200]}
  60. _save(doc, filename)
  61. results[d] = doc
  62. if (i + 1) % 25 == 0:
  63. print(json.dumps({"source": "rdap", "done": i + 1, "total": len(todo)}), file=sys.stderr)
  64. return results
  67. def _save(doc: dict, filename: str) -> None:
  68. (common.raw_dir("rdap") / filename).write_text(json.dumps(doc))