76 lines
2.7 KiB
Python
76 lines
2.7 KiB
Python
# Copyright 2013 OpenStack Foundation
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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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from oslo.utils import timeutils
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from keystone import auth
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from keystone.common import controller
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from keystone.common import dependency
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from keystone.contrib.oauth1 import core as oauth
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from keystone.contrib.oauth1 import validator
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from keystone import exception
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from keystone.i18n import _
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from keystone.openstack.common import log
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LOG = log.getLogger(__name__)
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@dependency.optional('oauth_api')
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class OAuth(auth.AuthMethodHandler):
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method = 'oauth1'
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def authenticate(self, context, auth_info, auth_context):
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"""Turn a signed request with an access key into a keystone token."""
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if not self.oauth_api:
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raise exception.Unauthorized(_('%s not supported') % self.method)
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headers = context['headers']
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oauth_headers = oauth.get_oauth_headers(headers)
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access_token_id = oauth_headers.get('oauth_token')
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if not access_token_id:
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raise exception.ValidationError(
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attribute='oauth_token', target='request')
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acc_token = self.oauth_api.get_access_token(access_token_id)
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expires_at = acc_token['expires_at']
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if expires_at:
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now = timeutils.utcnow()
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expires = timeutils.normalize_time(
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timeutils.parse_isotime(expires_at))
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if now > expires:
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raise exception.Unauthorized(_('Access token is expired'))
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url = controller.V3Controller.base_url(context, context['path'])
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access_verifier = oauth.ResourceEndpoint(
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request_validator=validator.OAuthValidator(),
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token_generator=oauth.token_generator)
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result, request = access_verifier.validate_protected_resource_request(
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url,
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http_method='POST',
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body=context['query_string'],
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headers=headers,
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realms=None
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)
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if not result:
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msg = _('Could not validate the access token')
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raise exception.Unauthorized(msg)
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auth_context['user_id'] = acc_token['authorizing_user_id']
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auth_context['access_token_id'] = access_token_id
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auth_context['project_id'] = acc_token['project_id']
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