149 lines
4.7 KiB
Python
149 lines
4.7 KiB
Python
# Copyright 2017 The Armada Authors.
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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 re
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from armada.api import HEALTH_PATH
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from uuid import UUID
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from oslo_config import cfg
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from oslo_log import log as logging
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CONF = cfg.CONF
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class AuthMiddleware(object):
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def __init__(self):
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self.logger = logging.getLogger(__name__)
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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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auth_status = req.get_header('X-SERVICE-IDENTITY-STATUS')
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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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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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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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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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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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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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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 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.is_valid_uuid(ext_marker):
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ctx.set_external_marker(ext_marker)
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def is_valid_uuid(self, id, version=4):
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try:
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uuid_obj = UUID(id, version=version)
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except (TypeError, ValueError):
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return False
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return str(uuid_obj) == id
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class LoggingMiddleware(object):
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def __init__(self):
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self.logger = logging.getLogger(__name__)
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# don't log any headers beginning with X-*
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hdr_exclude = re.compile('x-.*', re.IGNORECASE)
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# don't log anything for health checks
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path_exclude = re.compile('.*/{}$'.format(HEALTH_PATH))
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def exclude_path(self, req):
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return LoggingMiddleware.path_exclude.match(req.path)
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def process_request(self, req, resp):
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""" Set up values to be logged across the request
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"""
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if self.exclude_path(req):
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return
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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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self.logger.info("Request %s %s" % (req.method, req.url), extra=extra)
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self._log_headers(req.headers)
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def process_response(self, req, resp, resource, req_succeeded):
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""" Log the response information
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"""
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if self.exclude_path(req):
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return
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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-Armada-Req', ctx.request_id)
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self.logger.info(
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"%s %s - %s" % (req.method, req.uri, resp.status), extra=extra)
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self.logger.debug("Response body:%s", resp.body)
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def _log_headers(self, headers):
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""" Log request headers, while scrubbing sensitive values
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"""
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for header, header_value in headers.items():
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if not LoggingMiddleware.hdr_exclude.match(header):
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self.logger.debug("Header %s: %s", header, header_value)
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