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#
# Copyright (c) 2014 ThoughtWorks, Inc.
#
# Pixelated is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Pixelated is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with Pixelated. If not, see <http://www.gnu.org/licenses/>.
import os
import requests
import json
from leap.common import ca_bundle
from .config import AUTO_DETECT_CA_BUNDLE
LEAP_CERT = None
def which_bundle(provider):
if LEAP_CERT:
return LEAP_CERT
return str(LeapCertificate(provider).auto_detect_ca_bundle())
class LeapCertificate(object):
def __init__(self, provider):
self._config = provider.config
self._server_name = provider.server_name
self._certs_home = self._config.certs_home
def auto_detect_ca_bundle(self):
if self._config.ca_cert_bundle == AUTO_DETECT_CA_BUNDLE:
local_cert = self._local_server_cert()
if local_cert:
return local_cert
else:
return ca_bundle.where()
else:
return self._config.ca_cert_bundle
def _local_server_cert(self):
cert_file = os.path.join(self._certs_home, '%s.ca.crt' % self._server_name)
if not os.path.isfile(cert_file):
self._download_server_cert(cert_file)
return cert_file
def _download_server_cert(self, cert_file_name):
response = requests.get('https://%s/provider.json' % self._server_name)
provider_data = json.loads(response.content)
ca_cert_uri = str(provider_data['ca_cert_uri'])
response = requests.get(ca_cert_uri)
with open(cert_file_name, 'w') as file:
file.write(response.content)
file.close
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