certidude/certidude/api/revoked.py

41 lines
1.7 KiB
Python

import falcon
import json
import logging
from certidude import const
from certidude.authority import export_crl, list_revoked
from certidude.decorators import MyEncoder
from cryptography import x509
from cryptography.hazmat.backends import default_backend
from cryptography.hazmat.primitives.serialization import Encoding
logger = logging.getLogger("api")
class RevocationListResource(object):
def on_get(self, req, resp):
logger.debug(u"Revocation list requested by %s", req.context.get("remote_addr"))
# Primarily offer DER encoded CRL as per RFC5280
# This is also what StrongSwan expects
if req.client_accepts("application/x-pkcs7-crl"):
resp.set_header("Content-Type", "application/x-pkcs7-crl")
resp.append_header(
"Content-Disposition",
("attachment; filename=%s.crl" % const.HOSTNAME).encode("ascii"))
# Convert PEM to DER
resp.body = x509.load_pem_x509_crl(export_crl(),
default_backend()).public_bytes(Encoding.DER)
elif req.client_accepts("application/x-pem-file"):
resp.set_header("Content-Type", "application/x-pem-file")
resp.append_header(
"Content-Disposition",
("attachment; filename=%s-crl.pem" % const.HOSTNAME).encode("ascii"))
resp.body = export_crl()
elif req.accept.startswith("application/json"):
resp.set_header("Content-Type", "application/json")
resp.set_header("Content-Disposition", "inline")
resp.body = json.dumps(list_revoked(), cls=MyEncoder)
else:
raise falcon.HTTPUnsupportedMediaType(
"Client did not accept application/x-pkcs7-crl or application/x-pem-file")