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auto-archiver/src/auto_archiver/modules/ssl_enricher/ssl_enricher.py
2025-03-10 19:03:45 +00:00

32 lines
961 B
Python

import ssl
import os
from slugify import slugify
from urllib.parse import urlparse
from loguru import logger
from auto_archiver.core import Enricher
from auto_archiver.core import Metadata, Media
class SSLEnricher(Enricher):
"""
Retrieves SSL certificate information for a domain, as a file
"""
def enrich(self, to_enrich: Metadata) -> None:
if not to_enrich.media and self.skip_when_nothing_archived:
return
url = to_enrich.get_url()
parsed = urlparse(url)
assert parsed.scheme in ["https"], f"Invalid URL scheme {url=}"
domain = parsed.netloc
logger.debug(f"fetching SSL certificate for {domain=} in {url=}")
cert = ssl.get_server_certificate((domain, 443))
cert_fn = os.path.join(self.tmp_dir, f"{slugify(domain)}.pem")
with open(cert_fn, "w") as f:
f.write(cert)
to_enrich.add_media(Media(filename=cert_fn), id="ssl_certificate")