115 lines
4.1 KiB
Python
115 lines
4.1 KiB
Python
# Copyright 2017 AT&T Intellectual Property. All other rights reserved.
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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 logging
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from uuid import UUID
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from oslo_utils import uuidutils
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from shipyard_airflow import policy
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class AuthMiddleware(object):
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def __init__(self):
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self.logger = logging.getLogger('shipyard')
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# Authentication
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def process_request(self, req, resp):
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ctx = req.context
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ctx.set_policy_engine(policy.policy_engine)
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for k, v in req.headers.items():
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self.logger.debug("Request with header %s: %s" % (k, v))
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auth_status = req.get_header(
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'X-SERVICE-IDENTITY-STATUS') # will be set to Confirmed or Invalid
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service = True
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if auth_status is None:
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auth_status = req.get_header('X-IDENTITY-STATUS')
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service = False
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if auth_status == 'Confirmed':
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# Process account and roles
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ctx.authenticated = True
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# User Identity, unique within owning domain
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ctx.user = req.get_header(
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'X-SERVICE-USER-NAME') if service else req.get_header(
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'X-USER-NAME')
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# Identity-service managed unique identifier
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ctx.user_id = req.get_header(
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'X-SERVICE-USER-ID') if service else req.get_header(
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'X-USER-ID')
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# Identity service managed unique identifier of owning domain of
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# user name
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ctx.user_domain_id = req.get_header(
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'X-SERVICE-USER-DOMAIN-ID') if service else req.get_header(
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'X-USER-DOMAIN-ID')
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# Identity service managed unique identifier
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ctx.project_id = req.get_header(
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'X-SERVICE-PROJECT-ID') if service else req.get_header(
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'X-PROJECT-ID')
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# Name of owning domain of project
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ctx.project_domain_id = req.get_header(
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'X-SERVICE-PROJECT-DOMAIN-ID') if service else req.get_header(
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'X-PROJECT-DOMAIN-NAME')
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if service:
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# comma delimieted list of case-sensitive role names
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ctx.add_roles(req.get_header('X-SERVICE-ROLES').split(','))
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else:
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ctx.add_roles(req.get_header('X-ROLES').split(','))
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if req.get_header('X-IS-ADMIN-PROJECT') == 'True':
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ctx.is_admin_project = True
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else:
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ctx.is_admin_project = False
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self.logger.debug(
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'Request from authenticated user %s with roles %s' %
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(ctx.user, ','.join(ctx.roles)))
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else:
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ctx.authenticated = False
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class ContextMiddleware(object):
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def __init__(self):
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# Setup validation pattern for external marker
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try:
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uuid_value = uuidutils.generate_uuid(dashed=True)
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UUID(uuid_value)
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except:
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self.logger.error('UUID generation fail')
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def process_request(self, req, resp):
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ctx = req.context
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ext_marker = req.get_header('X-Context-Marker')
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if ext_marker is not None and self.marker_re.fullmatch(ext_marker):
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ctx.set_external_marker(ext_marker)
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class LoggingMiddleware(object):
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def __init__(self):
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self.logger = logging.getLogger('shipyard.control')
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def process_response(self, req, resp, resource, req_succeeded):
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ctx = req.context
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extra = {
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'user': ctx.user,
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'req_id': ctx.request_id,
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'external_ctx': ctx.external_marker,
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}
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resp.append_header('X-Shipyard-Req', ctx.request_id)
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self.logger.info("%s - %s" % (req.uri, resp.status), extra=extra)
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