60 lines
2.7 KiB
Python
60 lines
2.7 KiB
Python
# 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 keystoneauth1.identity.v3 import base
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from keystoneauth1 import loading
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__all__ = ('MultiFactor', )
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class MultiFactor(base.Auth):
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"""A plugin for authenticating with multiple auth methods.
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:param string auth_url: Identity service endpoint for authentication.
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:param string auth_methods: names of the methods to authenticate with.
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:param string trust_id: Trust ID for trust scoping.
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:param string system_scope: System information to scope to.
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:param string domain_id: Domain ID for domain scoping.
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:param string domain_name: Domain name for domain scoping.
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:param string project_id: Project ID for project scoping.
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:param string project_name: Project name for project scoping.
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:param string project_domain_id: Project's domain ID for project.
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:param string project_domain_name: Project's domain name for project.
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:param bool reauthenticate: Allow fetching a new token if the current one
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is going to expire. (optional) default True
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Also accepts various keyword args based on which methods are specified.
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"""
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def __init__(self, auth_url, auth_methods, **kwargs):
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method_instances = []
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method_keys = set()
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for method in auth_methods:
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# Using the loaders we pull the related auth method class
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method_class = loading.get_plugin_loader(
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method).plugin_class._auth_method_class
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# We build some new kwargs for the method from required parameters
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method_kwargs = {}
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for key in method_class._method_parameters:
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# we add them to method_keys to pop later from global kwargs
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# rather than here as other methods may need them too
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method_keys.add(key)
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method_kwargs[key] = kwargs.get(key, None)
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# We initialize the method class using just required kwargs
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method_instances.append(method_class(**method_kwargs))
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# We now pop all the keys used for methods as otherwise they get passed
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# to the super class and throw errors
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for key in method_keys:
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kwargs.pop(key, None)
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super(MultiFactor, self).__init__(auth_url, method_instances, **kwargs)
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