120 lines
3.6 KiB
Python
120 lines
3.6 KiB
Python
# Copyright 2012 Managed I.T.
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#
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# Author: Kiall Mac Innes <kiall@managedit.ie>
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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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import itertools
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from moniker.openstack.common import context
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from moniker.openstack.common import log as logging
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from moniker import policy
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LOG = logging.getLogger(__name__)
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class MonikerContext(context.RequestContext):
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def __init__(self, auth_tok=None, user=None, tenant=None, is_admin=False,
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read_only=False, show_deleted=False, request_id=None,
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roles=[]):
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super(MonikerContext, self).__init__(
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auth_tok=auth_tok,
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user=user,
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tenant=tenant,
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is_admin=is_admin,
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read_only=read_only,
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show_deleted=show_deleted,
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request_id=request_id)
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self._original_tenant_id = None
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self.roles = roles
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def sudo(self, tenant_id, force=False):
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if force:
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allowed_sudo = True
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else:
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# We use exc=None here since the context is built early in the
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# request lifecycle, outside of our ordinary error handling.
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# For now, we silently ignore failed sudo requests.
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target = {'tenant_id': tenant_id}
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allowed_sudo = policy.check('use_sudo', self, target, exc=None)
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if allowed_sudo:
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LOG.warn('Accepted sudo from user_id %s for tenant_id %s'
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% (self.user_id, tenant_id))
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self.original_tenant_id = self.tenant_id
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self.tenant_id = tenant_id
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else:
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LOG.warn('Rejected sudo from user_id %s for tenant_id %s'
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% (self.user_id, tenant_id))
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def to_dict(self):
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d = super(MonikerContext, self).to_dict()
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d.update({
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'user_id': self.user_id,
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'tenant_id': self.tenant_id,
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'original_tenant_id': self.original_tenant_id,
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'roles': self.roles,
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})
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return d
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@property
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def user_id(self):
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return self.user
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@user_id.setter
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def user_id(self, value):
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self.user = value
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@property
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def tenant_id(self):
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return self.tenant
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@tenant_id.setter
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def tenant_id(self, value):
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self.tenant = value
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@property
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def original_tenant_id(self):
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if self._original_tenant_id:
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return self._original_tenant_id
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else:
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return self.tenant
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@original_tenant_id.setter
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def original_tenant_id(self, value):
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self._original_tenant_id = value
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@classmethod
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def get_admin_context(cls, **kwargs):
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kwargs['is_admin'] = True
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kwargs['roles'] = ['admin']
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return cls(None, **kwargs)
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@classmethod
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def get_context_from_function_and_args(cls, function, args, kwargs):
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"""
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Find an arg of type MonikerContext and return it.
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This is useful in a couple of decorators where we don't
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know much about the function we're wrapping.
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"""
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for arg in itertools.chain(kwargs.values(), args):
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if isinstance(arg, cls):
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return arg
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return None
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