55d55bcdf1
Abstract authentication function so plugins for other authentication backends can be implemented in cases where keystone is not used. Currently, mistral is hard coded to support keystone and keycloak. Change-Id: If6ff35e91c3d35c2741332c7e739bb92b1234c54 Implements: blueprint mistral-abstract-auth
140 lines
4.5 KiB
Python
140 lines
4.5 KiB
Python
# Copyright 2013 - Mirantis, Inc.
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# Copyright 2016 - StackStorm, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import copy
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import os
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from oslo_utils import importutils
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import requests
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import logging
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osprofiler_web = importutils.try_import("osprofiler.web")
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LOG = logging.getLogger(__name__)
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def log_request(func):
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def decorator(self, *args, **kwargs):
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resp = func(self, *args, **kwargs)
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LOG.debug("HTTP %s %s %d" % (resp.request.method, resp.url,
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resp.status_code))
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return resp
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return decorator
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class HTTPClient(object):
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def __init__(self, base_url, **kwargs):
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self.base_url = base_url
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self.auth_token = kwargs.get('auth_token', None)
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self.project_id = kwargs.get('project_id', None)
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self.user_id = kwargs.get('user_id', None)
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self.target_auth_token = kwargs.get('target_auth_token', None)
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self.target_auth_url = kwargs.get('target_auth_url', None)
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self.cacert = kwargs.get('cacert', None)
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self.insecure = kwargs.get('insecure', False)
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self.ssl_options = {}
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if self.base_url.startswith('https'):
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if self.cacert and not os.path.exists(self.cacert):
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raise ValueError('Unable to locate cacert file '
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'at %s.' % self.cacert)
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if self.cacert and self.insecure:
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LOG.warning('Client is set to not verify even though '
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'cacert is provided.')
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if self.insecure:
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self.ssl_options['verify'] = False
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else:
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if self.cacert:
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self.ssl_options['verify'] = self.cacert
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else:
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self.ssl_options['verify'] = True
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self.ssl_options['cert'] = (kwargs.get('cert'), kwargs.get('key'))
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@log_request
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def get(self, url, headers=None):
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options = self._get_request_options('get', headers)
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return requests.get(self.base_url + url, **options)
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@log_request
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def post(self, url, body, headers=None):
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options = self._get_request_options('post', headers)
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return requests.post(self.base_url + url, body, **options)
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@log_request
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def put(self, url, body, headers=None):
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options = self._get_request_options('put', headers)
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return requests.put(self.base_url + url, body, **options)
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@log_request
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def delete(self, url, headers=None):
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options = self._get_request_options('delete', headers)
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return requests.delete(self.base_url + url, **options)
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def _get_request_options(self, method, headers):
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headers = self._update_headers(headers)
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if method in ['post', 'put']:
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content_type = headers.get('content-type', 'application/json')
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headers['content-type'] = content_type
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options = copy.deepcopy(self.ssl_options)
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options['headers'] = headers
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return options
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def _update_headers(self, headers):
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if not headers:
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headers = {}
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auth_token = headers.get('x-auth-token', self.auth_token)
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if auth_token:
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headers['x-auth-token'] = auth_token
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project_id = headers.get('X-Project-Id', self.project_id)
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if project_id:
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headers['X-Project-Id'] = project_id
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user_id = headers.get('X-User-Id', self.user_id)
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if user_id:
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headers['X-User-Id'] = user_id
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target_auth_token = headers.get(
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'X-Target-Auth-Token',
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self.target_auth_token
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)
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if target_auth_token:
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headers['X-Target-Auth-Token'] = target_auth_token
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target_auth_url = headers.get('X-Target-Auth-Uri',
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self.target_auth_url)
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if target_auth_url:
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headers['X-Target-Auth-Uri'] = target_auth_url
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if osprofiler_web:
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# Add headers for osprofiler.
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headers.update(osprofiler_web.get_trace_id_headers())
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return headers
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