|
|
# -*- coding: utf-8 -*-
|
|
|
|
|
|
# Copyright (C) 2010-2016 RhodeCode GmbH
|
|
|
#
|
|
|
# This program is free software: you can redistribute it and/or modify
|
|
|
# it under the terms of the GNU Affero General Public License, version 3
|
|
|
# (only), as published by the Free Software Foundation.
|
|
|
#
|
|
|
# This program is distributed in the hope that it will be useful,
|
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
# GNU General Public License for more details.
|
|
|
#
|
|
|
# You should have received a copy of the GNU Affero General Public License
|
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
#
|
|
|
# This program is dual-licensed. If you wish to learn more about the
|
|
|
# App Enlight Enterprise Edition, including its added features, Support
|
|
|
# services, and proprietary license terms, please see
|
|
|
# https://rhodecode.com/licenses/
|
|
|
|
|
|
import datetime
|
|
|
import logging
|
|
|
|
|
|
from pyramid.httpexceptions import HTTPForbidden, HTTPTooManyRequests
|
|
|
|
|
|
from appenlight.models import Datastores
|
|
|
from appenlight.models.services.config import ConfigService
|
|
|
from appenlight.lib.redis_keys import REDIS_KEYS
|
|
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
|
|
|
def rate_limiting(request, resource, section, to_increment=1):
|
|
|
tsample = datetime.datetime.utcnow().replace(second=0, microsecond=0)
|
|
|
key = REDIS_KEYS['rate_limits'][section].format(tsample,
|
|
|
resource.resource_id)
|
|
|
current_count = Datastores.redis.incr(key, to_increment)
|
|
|
Datastores.redis.expire(key, 3600 * 24)
|
|
|
config = ConfigService.by_key_and_section(section, 'global')
|
|
|
limit = config.value if config else 1000
|
|
|
if current_count > int(limit):
|
|
|
log.info('RATE LIMITING: {}: {}, {}'.format(
|
|
|
section, resource, current_count))
|
|
|
abort_msg = 'Rate limits are in effect for this application'
|
|
|
raise HTTPTooManyRequests(abort_msg,
|
|
|
headers={'X-AppEnlight': abort_msg})
|
|
|
|
|
|
|
|
|
def check_cors(request, application, should_return=True):
|
|
|
"""
|
|
|
Performs a check and validation if request comes from authorized domain for
|
|
|
application, otherwise return 403
|
|
|
"""
|
|
|
origin_found = False
|
|
|
origin = request.headers.get('Origin')
|
|
|
if should_return:
|
|
|
log.info('CORS for %s' % origin)
|
|
|
if not origin:
|
|
|
return False
|
|
|
for domain in application.domains.split('\n'):
|
|
|
if domain in origin:
|
|
|
origin_found = True
|
|
|
if origin_found:
|
|
|
request.response.headers.add('Access-Control-Allow-Origin', origin)
|
|
|
request.response.headers.add('XDomainRequestAllowed', '1')
|
|
|
request.response.headers.add('Access-Control-Allow-Methods',
|
|
|
'GET, POST, OPTIONS')
|
|
|
request.response.headers.add('Access-Control-Allow-Headers',
|
|
|
'Accept-Encoding, Accept-Language, '
|
|
|
'Content-Type, '
|
|
|
'Depth, User-Agent, X-File-Size, '
|
|
|
'X-Requested-With, If-Modified-Since, '
|
|
|
'X-File-Name, '
|
|
|
'Cache-Control, Host, Pragma, Accept, '
|
|
|
'Origin, Connection, '
|
|
|
'Referer, Cookie, '
|
|
|
'X-appenlight-public-api-key, '
|
|
|
'x-appenlight-public-api-key')
|
|
|
request.response.headers.add('Access-Control-Max-Age', '86400')
|
|
|
return request.response
|
|
|
else:
|
|
|
return HTTPForbidden()
|
|
|
|