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Pull out ssl validation into validator class

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This commit is contained in:
Joseph Schorr 2017-02-15 15:17:07 -05:00
parent e76b95f0e6
commit 620e377faf
3 changed files with 123 additions and 54 deletions
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56
util/config/validator.py
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@ -12,7 +12,6 @@ from data.users import LDAP_CERT_FILENAME
from oauth.services.github import GithubOAuthService
from oauth.services.google import GoogleOAuthService
from oauth.services.gitlab import GitLabOAuthService
from util.security.ssl import load_certificate, CertInvalidException, KeyInvalidException
from util.config.validators.validate_database import DatabaseValidator
from util.config.validators.validate_redis import RedisValidator
@ -24,6 +23,7 @@ from util.config.validators.validate_jwt import JWTAuthValidator
from util.config.validators.validate_secscan import SecurityScannerValidator
from util.config.validators.validate_signer import SignerValidator
from util.config.validators.validate_torrent import BittorrentValidator
from util.config.validators.validate_ssl import SSLValidator, SSL_FILENAMES
logger = logging.getLogger(__name__)
@ -33,7 +33,6 @@ class ConfigValidationException(Exception):
# Note: Only add files required for HTTPS to the SSL_FILESNAMES list.
SSL_FILENAMES = ['ssl.cert', 'ssl.key']
DB_SSL_FILENAMES = ['database.pem']
JWT_FILENAMES = ['jwt-authn.cert']
ACI_CERT_FILENAMES = ['signing-public.gpg', 'signing-private.gpg']
@ -180,57 +179,6 @@ def _validate_google_login(config, user_obj, _):
raise ConfigValidationException('Invalid client id or client secret')
def _validate_ssl(config, user_obj, _):
""" Validates the SSL configuration (if enabled). """
# Skip if non-SSL.
if config.get('PREFERRED_URL_SCHEME', 'http') != 'https':
return
# Skip if externally terminated.
if config.get('EXTERNAL_TLS_TERMINATION', False) is True:
return
# Verify that we have all the required SSL files.
for filename in SSL_FILENAMES:
if not config_provider.volume_file_exists(filename):
raise ConfigValidationException('Missing required SSL file: %s' % filename)
# Read the contents of the SSL certificate.
with config_provider.get_volume_file(SSL_FILENAMES[0]) as f:
cert_contents = f.read()
# Validate the certificate.
try:
certificate = load_certificate(cert_contents)
except CertInvalidException as cie:
raise ConfigValidationException('Could not load SSL certificate: %s' % cie.message)
# Verify the certificate has not expired.
if certificate.expired:
raise ConfigValidationException('The specified SSL certificate has expired.')
# Verify the hostname matches the name in the certificate.
if not certificate.matches_name(config['SERVER_HOSTNAME']):
msg = ('Supported names "%s" in SSL cert do not match server hostname "%s"' %
(', '.join(list(certificate.names)), config['SERVER_HOSTNAME']))
raise ConfigValidationException(msg)
# Verify the private key against the certificate.
private_key_path = None
with config_provider.get_volume_file(SSL_FILENAMES[1]) as f:
private_key_path = f.name
if not private_key_path:
# Only in testing.
return
try:
certificate.validate_private_key(private_key_path)
except KeyInvalidException as kie:
raise ConfigValidationException('SSL private key failed to validate: %s' % kie.message)
VALIDATORS = {
DatabaseValidator.name: DatabaseValidator.validate,
RedisValidator.name: RedisValidator.validate,
@ -241,7 +189,7 @@ VALIDATORS = {
'gitlab-trigger': _validate_gitlab,
'bitbucket-trigger': _validate_bitbucket,
'google-login': _validate_google_login,
'ssl': _validate_ssl,
SSLValidator.name: SSLValidator.validate,
LDAPValidator.name: LDAPValidator.validate,
JWTAuthValidator.name: JWTAuthValidator.validate,
KeystoneValidator.name: KeystoneValidator.validate,