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adding functionality to fetch the desired chain

This commit is contained in:
Hossein Shafagh 2021-03-10 12:39:50 -08:00
parent f2205b6025
commit caa44c1531
2 changed files with 21 additions and 12 deletions
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22
lemur/plugins/lemur_acme/acme_handlers.py
View File

@ -23,6 +23,7 @@ from acme import challenges, errors, messages
from acme.client import BackwardsCompatibleClientV2, ClientNetwork
from acme.errors import TimeoutError
from acme.messages import Error as AcmeError
from certbot import crypto_util as acme_crypto_util
from flask import current_app
from lemur.common.utils import generate_private_key
@ -92,7 +93,8 @@ class AcmeHandler(object):
deadline = datetime.datetime.now() + datetime.timedelta(seconds=360)
try:
orderr = acme_client.poll_and_finalize(order, deadline)
orderr = acme_client.poll_authorizations(order, deadline)
orderr = acme_client.finalize_order(orderr, deadline, fetch_alternative_chains=True)
except (AcmeError, TimeoutError):
sentry.captureException(extra={"order_url": str(order.uri)})
@ -112,14 +114,23 @@ class AcmeHandler(object):
f"Successfully resolved Acme order: {order.uri}", exc_info=True
)
pem_certificate, pem_certificate_chain = self.extract_cert_and_chain(orderr.fullchain_pem)
pem_certificate, pem_certificate_chain = self.extract_cert_and_chain(orderr.fullchain_pem,
orderr.alternative_fullchains_pem)
current_app.logger.debug(
"{0} {1}".format(type(pem_certificate), type(pem_certificate_chain))
)
return pem_certificate, pem_certificate_chain
def extract_cert_and_chain(self, fullchain_pem):
def extract_cert_and_chain(self, fullchain_pem, alternative_fullchains_pem, preferred_issuer=None):
if not preferred_issuer:
preferred_issuer = current_app.config.get("ACME_PREFERRED_ISSUER", None)
if preferred_issuer:
# returns first chain if not match
fullchain_pem = acme_crypto_util.find_chain_with_issuer([fullchain_pem] + alternative_fullchains_pem,
preferred_issuer)
pem_certificate = OpenSSL.crypto.dump_certificate(
OpenSSL.crypto.FILETYPE_PEM,
OpenSSL.crypto.load_certificate(
@ -127,11 +138,6 @@ class AcmeHandler(object):
),
).decode()
if current_app.config.get("IDENTRUST_CROSS_SIGNED_LE_ICA", False) \
and datetime.datetime.now() < datetime.datetime.strptime(
current_app.config.get("IDENTRUST_CROSS_SIGNED_LE_ICA_EXPIRATION_DATE", "17/03/21"), '%d/%m/%y'):
pem_certificate_chain = current_app.config.get("IDENTRUST_CROSS_SIGNED_LE_ICA")
else:
pem_certificate_chain = fullchain_pem[len(pem_certificate):].lstrip()
return pem_certificate, pem_certificate_chain

9
lemur/plugins/lemur_acme/challenge_types.py
View File

@ -119,8 +119,10 @@ class AcmeHttpChallenge(AcmeChallenge):
current_app.logger.info("Uploaded HTTP-01 challenge tokens, trying to poll and finalize the order")
try:
finalized_orderr = acme_client.poll_and_finalize(orderr,
datetime.datetime.now() + datetime.timedelta(seconds=90))
deadline = datetime.datetime.now() + datetime.timedelta(seconds=90)
orderr = acme_client.poll_authorizations(orderr, deadline)
finalized_orderr = acme_client.finalize_order(orderr, deadline, fetch_alternative_chains=True)
except errors.ValidationError as validationError:
for authz in validationError.failed_authzrs:
for chall in authz.body.challenges:
@ -130,7 +132,8 @@ class AcmeHttpChallenge(AcmeChallenge):
ERROR_CODES[chall.error.code]))
raise Exception('Validation error occured, can\'t complete challenges. See logs for more information.')
pem_certificate, pem_certificate_chain = self.acme.extract_cert_and_chain(finalized_orderr.fullchain_pem)
pem_certificate, pem_certificate_chain = self.acme.extract_cert_and_chain(finalized_orderr.fullchain_pem,
finalized_orderr.alternative_fullchains_pem)
if len(deployed_challenges) != 0:
for token_path in deployed_challenges: