adjutant/adjutant/middleware.py
Adrian Turjak 2c62daf542 Reformat code using the Black style linter
Change-Id: I55cf016fe073e92fe4466f38b95ebdcd9ec58e84
2020-02-21 14:43:31 +13:00

118 lines
3.9 KiB
Python

# Copyright (C) 2015 Catalyst IT Ltd
#
# 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.
from time import time
from logging import getLogger
from django.utils import timezone
class KeystoneHeaderUnwrapper:
"""
Middleware to build an easy to use dict of important data from
what the keystone wsgi middleware gives us.
"""
def __init__(self, get_response):
self.get_response = get_response
def __call__(self, request):
try:
token_data = {
"project_domain_id": request.META["HTTP_X_PROJECT_DOMAIN_ID"],
"project_name": request.META["HTTP_X_PROJECT_NAME"],
"project_id": request.META["HTTP_X_PROJECT_ID"],
"roles": request.META["HTTP_X_ROLES"].split(","),
"user_domain_id": request.META["HTTP_X_USER_DOMAIN_ID"],
"username": request.META["HTTP_X_USER_NAME"],
"user_id": request.META["HTTP_X_USER_ID"],
"authenticated": request.META["HTTP_X_IDENTITY_STATUS"],
}
except KeyError:
token_data = {}
request.keystone_user = token_data
response = self.get_response(request)
return response
class TestingHeaderUnwrapper:
"""
Replacement for the KeystoneHeaderUnwrapper for testing purposes.
"""
def __init__(self, get_response):
self.get_response = get_response
def __call__(self, request):
try:
token_data = {
# TODO(adriant): follow up patch to update all the test
# headers to provide domain values.
# Default here is just a temporary measure.
"project_domain_id": request.META["headers"].get(
"project_domain_id", "default"
),
"project_name": request.META["headers"]["project_name"],
"project_id": request.META["headers"]["project_id"],
"roles": request.META["headers"]["roles"].split(","),
"user_domain_id": request.META["headers"].get(
"user_domain_id", "default"
),
"username": request.META["headers"]["username"],
"user_id": request.META["headers"]["user_id"],
"authenticated": request.META["headers"]["authenticated"],
}
except KeyError:
token_data = {}
request.keystone_user = token_data
response = self.get_response(request)
return response
class RequestLoggingMiddleware:
"""
Middleware to log the requests and responses.
Will time the duration of a request and log that.
"""
def __init__(self, get_response):
self.get_response = get_response
self.logger = getLogger("adjutant")
def __call__(self, request):
self.logger.info(
"(%s) - <%s> %s [%s]",
timezone.now(),
request.method,
request.META["REMOTE_ADDR"],
request.get_full_path(),
)
request.timer = time()
response = self.get_response(request)
if hasattr(request, "timer"):
time_delta = time() - request.timer
else:
time_delta = -1
self.logger.info(
"(%s) - <%s> [%s] - (%.1fs)",
timezone.now(),
response.status_code,
request.get_full_path(),
time_delta,
)
return response