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Remove dead code from acme support. (#11393)

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Patrick Cloke 2021-11-19 07:07:22 -05:00 committed by GitHub
parent 5505da2109
commit 4d6d38ac2f
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2 changed files with 1 additions and 50 deletions
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1
changelog.d/11393.misc Normal file
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@ -0,0 +1 @@
Remove dead code from supporting ACME.

50
synapse/config/tls.py
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@ -14,7 +14,6 @@
import logging
import os
from datetime import datetime
from typing import List, Optional, Pattern
from OpenSSL import SSL, crypto
@ -133,55 +132,6 @@ class TlsConfig(Config):
self.tls_certificate: Optional[crypto.X509] = None
self.tls_private_key: Optional[crypto.PKey] = None
def is_disk_cert_valid(self, allow_self_signed=True):
"""
Is the certificate we have on disk valid, and if so, for how long?
Args:
allow_self_signed (bool): Should we allow the certificate we
read to be self signed?
Returns:
int: Days remaining of certificate validity.
None: No certificate exists.
"""
if not os.path.exists(self.tls_certificate_file):
return None
try:
with open(self.tls_certificate_file, "rb") as f:
cert_pem = f.read()
except Exception as e:
raise ConfigError(
"Failed to read existing certificate file %s: %s"
% (self.tls_certificate_file, e)
)
try:
tls_certificate = crypto.load_certificate(crypto.FILETYPE_PEM, cert_pem)
except Exception as e:
raise ConfigError(
"Failed to parse existing certificate file %s: %s"
% (self.tls_certificate_file, e)
)
if not allow_self_signed:
if tls_certificate.get_subject() == tls_certificate.get_issuer():
raise ValueError(
"TLS Certificate is self signed, and this is not permitted"
)
# YYYYMMDDhhmmssZ -- in UTC
expiry_data = tls_certificate.get_notAfter()
if expiry_data is None:
raise ValueError(
"TLS Certificate has no expiry date, and this is not permitted"
)
expires_on = datetime.strptime(expiry_data.decode("ascii"), "%Y%m%d%H%M%SZ")
now = datetime.utcnow()
days_remaining = (expires_on - now).days
return days_remaining
def read_certificate_from_disk(self):
"""
Read the certificates and private key from disk.