71fecfabc1
Change-Id: I6b20080c4f0b144264dfbaf9e73a779b5c9baed9
54 lines
1.8 KiB
Python
54 lines
1.8 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
|
|
# Copyright (c) 2012 OpenStack, LLC
|
|
#
|
|
# 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.
|
|
"""
|
|
Request Body limiting middleware.
|
|
|
|
"""
|
|
|
|
import webob.dec
|
|
import webob.exc
|
|
|
|
from nova.openstack.common import cfg
|
|
from nova.openstack.common import log as logging
|
|
from nova import wsgi
|
|
|
|
|
|
#default request size is 112k
|
|
max_request_body_size_opt = cfg.IntOpt('osapi_max_request_body_size',
|
|
default=114688,
|
|
help='the maximum body size '
|
|
'per each osapi request(bytes)')
|
|
|
|
CONF = cfg.CONF
|
|
CONF.register_opt(max_request_body_size_opt)
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
class RequestBodySizeLimiter(wsgi.Middleware):
|
|
"""Limit the size of incoming requests."""
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super(RequestBodySizeLimiter, self).__init__(*args, **kwargs)
|
|
|
|
@webob.dec.wsgify(RequestClass=wsgi.Request)
|
|
def __call__(self, req):
|
|
if (req.content_length > CONF.osapi_max_request_body_size
|
|
or len(req.body) > CONF.osapi_max_request_body_size):
|
|
msg = _("Request is too large.")
|
|
raise webob.exc.HTTPBadRequest(explanation=msg)
|
|
else:
|
|
return self.application
|