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#!/usr/bin/python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import json
import os
from keystoneclient.common import cms
CURRENT_DIR = os.path.abspath(os.path.dirname(__file__))
def make_filename(*args):
return os.path.join(CURRENT_DIR, *args)
CA_CERT_FILE_NAME = make_filename('certs', 'cacert.pem')
SIGNING_CERT_FILE_NAME = make_filename('certs', 'signing_cert.pem')
SIGNING_KEY_FILE_NAME = make_filename('private', 'signing_key.pem')
EXAMPLE_TOKENS = ['auth_token_revoked',
'auth_token_unscoped',
'auth_token_scoped',
'auth_token_scoped_expired',
'auth_v3_token_scoped',
'auth_v3_token_revoked']
# Helper script to generate the sample data for testing
# the signed tokens using the existing JSON data for the
# MII-prefixed tokens. Uses the keys and certificates
# generated in gen_pki.sh.
def generate_der_form(name):
derfile = make_filename('cms', '%s.der' % name)
with open(derfile, 'w') as f:
derform = cms.cms_sign_data(text,
SIGNING_CERT_FILE_NAME,
SIGNING_KEY_FILE_NAME, cms.PKIZ_CMS_FORM)
f.write(derform)
for name in EXAMPLE_TOKENS:
json_file = make_filename('cms', name + '.json')
pkiz_file = make_filename('cms', name + '.pkiz')
with open(json_file, 'r') as f:
string_data = f.read()
# validate the JSON
try:
token_data = json.loads(string_data)
except ValueError as v:
raise SystemExit('%s while processing token data from %s: %s' %
(v, json_file, string_data))
text = json.dumps(token_data).encode('utf-8')
# Uncomment to record the token uncompressed,
# useful for debugging
# generate_der_form(name)
encoded = cms.pkiz_sign(text,
SIGNING_CERT_FILE_NAME,
SIGNING_KEY_FILE_NAME)
# verify before writing
cms.pkiz_verify(encoded,
SIGNING_CERT_FILE_NAME,
CA_CERT_FILE_NAME)
with open(pkiz_file, 'w') as f:
f.write(encoded)
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