55 lines
1.7 KiB
Python
55 lines
1.7 KiB
Python
# Author: François Rossigneux <francois.rossigneux@inria.fr>
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Set up the ACL to access the API."""
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import flask
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import keystoneclient.middleware.auth_token as auth_token
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from oslo.config import cfg
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from kwapi.openstack.common import policy
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_ENFORCER = None
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OPT_GROUP_NAME = 'keystone_authtoken'
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def register_opts(conf):
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"""Registers keystoneclient middleware options."""
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conf.register_opts(auth_token.opts,
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group=OPT_GROUP_NAME,
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)
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auth_token.CONF = conf
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register_opts(cfg.CONF)
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def install(app, conf):
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"""Installs ACL check on application."""
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app.wsgi_app = auth_token.AuthProtocol(app.wsgi_app,
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conf=dict(conf.get(OPT_GROUP_NAME)))
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app.before_request(check)
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def check():
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"""Checks application access."""
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headers = flask.request.headers
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global _ENFORCER
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if not _ENFORCER:
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_ENFORCER = policy.Enforcer()
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if not _ENFORCER.enforce('context_is_admin',
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{},
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{'roles': headers.get('X-Roles', "").split(",")}):
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return "Access denied", 401
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