54 lines
1.4 KiB
Python
54 lines
1.4 KiB
Python
# Copyright 2016 - Brocade Communications Systems, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import abc
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from oslo_config import cfg
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from oslo_log import log as logging
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import six
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from stevedore import driver
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from mistral import exceptions as exc
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LOG = logging.getLogger(__name__)
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_IMPL_AUTH_HANDLER = None
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def get_auth_handler():
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auth_type = cfg.CONF.auth_type
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global _IMPL_AUTH_HANDLER
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if not _IMPL_AUTH_HANDLER:
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mgr = driver.DriverManager(
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'mistral.auth',
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auth_type,
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invoke_on_load=True
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)
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_IMPL_AUTH_HANDLER = mgr.driver
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return _IMPL_AUTH_HANDLER
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@six.add_metaclass(abc.ABCMeta)
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class AuthHandler(object):
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"""Abstract base class for an authentication plugin."""
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@abc.abstractmethod
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def authenticate(self, req):
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raise exc.UnauthorizedException()
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