Logging improvements around TLS certs

Log which file we're reading keys and certs from, and refactor the code a bit
in preparation for other work
This commit is contained in:
Richard van der Hoff 2019-02-11 21:00:41 +00:00
parent 5d27730a73
commit 086f6f27d4
3 changed files with 39 additions and 22 deletions

View file

@ -25,7 +25,7 @@ from OpenSSL import crypto
from synapse.config._base import Config
logger = logging.getLogger()
logger = logging.getLogger(__name__)
class TlsConfig(Config):
@ -110,20 +110,10 @@ class TlsConfig(Config):
"""
Read the certificates from disk.
"""
self.tls_certificate = self.read_tls_certificate(self.tls_certificate_file)
# Check if it is self-signed, and issue a warning if so.
if self.tls_certificate.get_issuer() == self.tls_certificate.get_subject():
warnings.warn(
(
"Self-signed TLS certificates will not be accepted by Synapse 1.0. "
"Please either provide a valid certificate, or use Synapse's ACME "
"support to provision one."
)
)
self.tls_certificate = self.read_tls_certificate()
if not self.no_tls:
self.tls_private_key = self.read_tls_private_key(self.tls_private_key_file)
self.tls_private_key = self.read_tls_private_key()
self.tls_fingerprints = list(self._original_tls_fingerprints)
@ -250,10 +240,38 @@ class TlsConfig(Config):
% locals()
)
def read_tls_certificate(self, cert_path):
cert_pem = self.read_file(cert_path, "tls_certificate")
return crypto.load_certificate(crypto.FILETYPE_PEM, cert_pem)
def read_tls_certificate(self):
"""Reads the TLS certificate from the configured file, and returns it
def read_tls_private_key(self, private_key_path):
private_key_pem = self.read_file(private_key_path, "tls_private_key")
Also checks if it is self-signed, and warns if so
Returns:
OpenSSL.crypto.X509: the certificate
"""
cert_path = self.tls_certificate_file
logger.info("Loading TLS certificate from %s", cert_path)
cert_pem = self.read_file(cert_path, "tls_certificate_path")
cert = crypto.load_certificate(crypto.FILETYPE_PEM, cert_pem)
# Check if it is self-signed, and issue a warning if so.
if cert.get_issuer() == cert.get_subject():
warnings.warn(
(
"Self-signed TLS certificates will not be accepted by Synapse 1.0. "
"Please either provide a valid certificate, or use Synapse's ACME "
"support to provision one."
)
)
return cert
def read_tls_private_key(self):
"""Reads the TLS private key from the configured file, and returns it
Returns:
OpenSSL.crypto.PKey: the private key
"""
private_key_path = self.tls_private_key_file
logger.info("Loading TLS key from %s", private_key_path)
private_key_pem = self.read_file(private_key_path, "tls_private_key_path")
return crypto.load_privatekey(crypto.FILETYPE_PEM, private_key_pem)