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# 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 base64
from keystoneauth1 import plugin
AUTH_HEADER_NAME = 'Authorization'
class HTTPBasicAuth(plugin.FixedEndpointPlugin):
"""A provider that will always use HTTP Basic authentication.
This is useful to unify session/adapter loading for services
that might be deployed in standalone mode.
"""
def __init__(self, endpoint=None, username=None, password=None):
super(HTTPBasicAuth, self).__init__(endpoint)
self.username = username
self.password = password
def get_token(self, session, **kwargs):
if self.username is None or self.password is None:
return None
token = bytes('%s:%s' % (self.username, self.password),
encoding='utf-8')
encoded = base64.b64encode(token)
return str(encoded, encoding='utf-8')
def get_headers(self, session, **kwargs):
token = self.get_token(session)
if not token:
return None
auth = 'Basic %s' % token
return {AUTH_HEADER_NAME: auth}
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