/usr/lib/python2.7/dist-packages/keystoneclient/v3/roles.py is in python-keystoneclient 1:0.7.1-ubuntu1.
This file is owned by root:root, with mode 0o644.
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# Copyright 2011 Nebula, Inc.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from keystoneclient import base
from keystoneclient import exceptions
from keystoneclient import utils
class Role(base.Resource):
"""Represents an Identity role.
Attributes:
* id: a uuid that identifies the role
* name: user-facing identifier
"""
pass
class RoleManager(base.CrudManager):
"""Manager class for manipulating Identity roles."""
resource_class = Role
collection_key = 'roles'
key = 'role'
def _role_grants_base_url(self, user, group, domain, project):
# When called, we have already checked that only one of user & group
# and one of domain & project have been specified
params = {}
if project:
params['project_id'] = base.getid(project)
base_url = '/projects/%(project_id)s'
elif domain:
params['domain_id'] = base.getid(domain)
base_url = '/domains/%(domain_id)s'
if user:
params['user_id'] = base.getid(user)
base_url += '/users/%(user_id)s'
elif group:
params['group_id'] = base.getid(group)
base_url += '/groups/%(group_id)s'
return base_url % params
def _require_domain_xor_project(self, domain, project):
if domain and project:
msg = 'Specify either a domain or project, not both'
raise exceptions.ValidationError(msg)
elif not (domain or project):
msg = 'Must specify either a domain or project'
raise exceptions.ValidationError(msg)
def _require_user_xor_group(self, user, group):
if user and group:
msg = 'Specify either a user or group, not both'
raise exceptions.ValidationError(msg)
elif not (user or group):
msg = 'Must specify either a user or group'
raise exceptions.ValidationError(msg)
@utils.positional(1, enforcement=utils.positional.WARN)
def create(self, name, **kwargs):
return super(RoleManager, self).create(
name=name,
**kwargs)
def get(self, role):
return super(RoleManager, self).get(
role_id=base.getid(role))
@utils.positional(enforcement=utils.positional.WARN)
def list(self, user=None, group=None, domain=None, project=None, **kwargs):
"""Lists roles and role grants.
If no arguments are provided, all roles in the system will be
listed.
If a user or group is specified, you must also specify either a
domain or project to list role grants on that pair. And if
``**kwargs`` are provided, then also filter roles with
attributes matching ``**kwargs``.
"""
if user or group:
self._require_user_xor_group(user, group)
self._require_domain_xor_project(domain, project)
return super(RoleManager, self).list(
base_url=self._role_grants_base_url(user, group,
domain, project),
**kwargs)
return super(RoleManager, self).list(**kwargs)
@utils.positional(enforcement=utils.positional.WARN)
def update(self, role, name=None, **kwargs):
return super(RoleManager, self).update(
role_id=base.getid(role),
name=name,
**kwargs)
def delete(self, role):
return super(RoleManager, self).delete(
role_id=base.getid(role))
@utils.positional(enforcement=utils.positional.WARN)
def grant(self, role, user=None, group=None, domain=None, project=None):
"""Grants a role to a user or group on a domain or project."""
self._require_domain_xor_project(domain, project)
self._require_user_xor_group(user, group)
return super(RoleManager, self).put(
base_url=self._role_grants_base_url(user, group, domain, project),
role_id=base.getid(role))
@utils.positional(enforcement=utils.positional.WARN)
def check(self, role, user=None, group=None, domain=None, project=None):
"""Checks if a user or group has a role on a domain or project."""
self._require_domain_xor_project(domain, project)
self._require_user_xor_group(user, group)
return super(RoleManager, self).head(
base_url=self._role_grants_base_url(user, group, domain, project),
role_id=base.getid(role))
@utils.positional(enforcement=utils.positional.WARN)
def revoke(self, role, user=None, group=None, domain=None, project=None):
"""Revokes a role from a user or group on a domain or project."""
self._require_domain_xor_project(domain, project)
self._require_user_xor_group(user, group)
return super(RoleManager, self).delete(
base_url=self._role_grants_base_url(user, group, domain, project),
role_id=base.getid(role))
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