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# Copyright 2013 OpenStack Foundation
#
# 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.
"""Keystone PKI Token Provider"""
from keystoneclient.common import cms
from keystone.common import environment
from keystone import config
from keystone import exception
from keystone.i18n import _
from keystone.openstack.common import jsonutils
from keystone.openstack.common import log
from keystone.token.providers import common
CONF = config.CONF
LOG = log.getLogger(__name__)
class Provider(common.BaseProvider):
def _get_token_id(self, token_data):
try:
# force conversion to a string as the keystone client cms code
# produces unicode. This can be removed if the client returns
# str()
# TODO(ayoung): Make to a byte_str for Python3
token_id = str(cms.cms_sign_token(jsonutils.dumps(token_data),
CONF.signing.certfile,
CONF.signing.keyfile))
return token_id
except environment.subprocess.CalledProcessError:
LOG.exception(_('Unable to sign token'))
raise exception.UnexpectedError(_(
'Unable to sign token.'))
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