718 lines
25 KiB
Python
718 lines
25 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2012 OpenStack LLC
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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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"""Main entry point into the Identity service."""
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import urllib
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import urlparse
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import uuid
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from keystone.common import logging
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from keystone.common import manager
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from keystone.common import wsgi
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from keystone import config
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from keystone import exception
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from keystone import policy
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from keystone import token
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CONF = config.CONF
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LOG = logging.getLogger(__name__)
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class Manager(manager.Manager):
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"""Default pivot point for the Identity backend.
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See :mod:`keystone.common.manager.Manager` for more details on how this
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dynamically calls the backend.
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"""
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def __init__(self):
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super(Manager, self).__init__(CONF.identity.driver)
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class Driver(object):
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"""Interface description for an Identity driver."""
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def authenticate(self, user_id=None, tenant_id=None, password=None):
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"""Authenticate a given user, tenant and password.
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:returns: (user_ref, tenant_ref, metadata_ref)
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:raises: AssertionError
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"""
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raise exception.NotImplemented()
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def get_tenant(self, tenant_id):
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"""Get a tenant by id.
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:returns: tenant_ref
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:raises: keystone.exception.TenantNotFound
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"""
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raise exception.NotImplemented()
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def get_tenant_by_name(self, tenant_name):
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"""Get a tenant by name.
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:returns: tenant_ref
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:raises: keystone.exception.TenantNotFound
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"""
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raise exception.NotImplemented()
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def get_user(self, user_id):
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"""Get a user by id.
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:returns: user_ref
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:raises: keystone.exception.UserNotFound
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"""
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raise exception.NotImplemented()
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def get_user_by_name(self, user_name):
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"""Get a user by name.
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:returns: user_ref
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:raises: keystone.exception.UserNotFound
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"""
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raise exception.NotImplemented()
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def get_role(self, role_id):
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"""Get a role by id.
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:returns: role_ref
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:raises: keystone.exception.RoleNotFound
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"""
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raise exception.NotImplemented()
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def list_users(self):
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"""List all users in the system.
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NOTE(termie): I'd prefer if this listed only the users for a given
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tenant.
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:returns: a list of user_refs or an empty list
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"""
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raise exception.NotImplemented()
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def list_roles(self):
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"""List all roles in the system.
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:returns: a list of role_refs or an empty list.
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"""
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raise exception.NotImplemented()
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# NOTE(termie): seven calls below should probably be exposed by the api
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# more clearly when the api redesign happens
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def add_user_to_tenant(self, tenant_id, user_id):
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"""Add user to a tenant without an explicit role relationship.
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:raises: keystone.exception.TenantNotFound,
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keystone.exception.UserNotFound
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"""
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raise exception.NotImplemented()
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def remove_user_from_tenant(self, tenant_id, user_id):
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"""Remove user from a tenant without an explicit role relationship.
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:raises: keystone.exception.TenantNotFound,
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keystone.exception.UserNotFound
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"""
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raise exception.NotImplemented()
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def get_all_tenants(self):
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"""FIXME(dolph): Lists all tenants in the system? I'm not sure how this
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is different from get_tenants, why get_tenants isn't
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documented as part of the driver, or why it's called
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get_tenants instead of list_tenants (i.e. list_roles
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and list_users)...
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:returns: a list of ... FIXME(dolph): tenant_refs or tenant_id's?
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"""
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raise exception.NotImplemented()
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def get_tenant_users(self, tenant_id):
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"""FIXME(dolph): Lists all users with a relationship to the specified
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tenant?
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:returns: a list of ... FIXME(dolph): user_refs or user_id's?
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:raises: keystone.exception.UserNotFound
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"""
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raise exception.NotImplemented()
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def get_tenants_for_user(self, user_id):
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"""Get the tenants associated with a given user.
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:returns: a list of tenant_id's.
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:raises: keystone.exception.UserNotFound
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"""
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raise exception.NotImplemented()
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def get_roles_for_user_and_tenant(self, user_id, tenant_id):
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"""Get the roles associated with a user within given tenant.
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:returns: a list of role ids.
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:raises: keystone.exception.UserNotFound,
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keystone.exception.TenantNotFound
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"""
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raise exception.NotImplemented()
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def add_role_to_user_and_tenant(self, user_id, tenant_id, role_id):
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"""Add a role to a user within given tenant.
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:raises: keystone.exception.UserNotFound,
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keystone.exception.TenantNotFound,
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keystone.exception.RoleNotFound
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"""
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raise exception.NotImplemented()
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def remove_role_from_user_and_tenant(self, user_id, tenant_id, role_id):
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"""Remove a role from a user within given tenant.
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:raises: keystone.exception.UserNotFound,
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keystone.exception.TenantNotFound,
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keystone.exception.RoleNotFound
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"""
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raise exception.NotImplemented()
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# user crud
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def create_user(self, user_id, user):
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"""Creates a new user.
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:raises: keystone.exception.Conflict
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"""
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raise exception.NotImplemented()
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def update_user(self, user_id, user):
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"""Updates an existing user.
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:raises: keystone.exception.UserNotFound, keystone.exception.Conflict
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"""
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raise exception.NotImplemented()
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def delete_user(self, user_id):
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"""Deletes an existing user.
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:raises: keystone.exception.UserNotFound
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"""
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raise exception.NotImplemented()
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# tenant crud
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def create_tenant(self, tenant_id, tenant):
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"""Creates a new tenant.
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:raises: keystone.exception.Conflict
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"""
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raise exception.NotImplemented()
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def update_tenant(self, tenant_id, tenant):
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"""Updates an existing tenant.
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:raises: keystone.exception.TenantNotFound, keystone.exception.Conflict
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"""
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raise exception.NotImplemented()
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def delete_tenant(self, tenant_id):
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"""Deletes an existing tenant.
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:raises: keystone.exception.TenantNotFound
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"""
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raise exception.NotImplemented()
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# metadata crud
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def get_metadata(self, user_id, tenant_id):
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raise exception.NotImplemented()
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def create_metadata(self, user_id, tenant_id, metadata):
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raise exception.NotImplemented()
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def update_metadata(self, user_id, tenant_id, metadata):
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raise exception.NotImplemented()
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def delete_metadata(self, user_id, tenant_id):
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raise exception.NotImplemented()
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# role crud
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def create_role(self, role_id, role):
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"""Creates a new role.
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:raises: keystone.exception.Conflict
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"""
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raise exception.NotImplemented()
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def update_role(self, role_id, role):
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"""Updates an existing role.
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:raises: keystone.exception.RoleNotFound, keystone.exception.Conflict
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"""
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raise exception.NotImplemented()
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def delete_role(self, role_id):
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"""Deletes an existing role.
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:raises: keystone.exception.RoleNotFound
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"""
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raise exception.NotImplemented()
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class PublicRouter(wsgi.ComposableRouter):
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def add_routes(self, mapper):
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tenant_controller = TenantController()
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mapper.connect('/tenants',
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controller=tenant_controller,
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action='get_tenants_for_token',
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conditions=dict(method=['GET']))
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class AdminRouter(wsgi.ComposableRouter):
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def add_routes(self, mapper):
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# Tenant Operations
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tenant_controller = TenantController()
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mapper.connect('/tenants',
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controller=tenant_controller,
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action='get_all_tenants',
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conditions=dict(method=['GET']))
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mapper.connect('/tenants/{tenant_id}',
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controller=tenant_controller,
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action='get_tenant',
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conditions=dict(method=['GET']))
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# User Operations
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user_controller = UserController()
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mapper.connect('/users/{user_id}',
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controller=user_controller,
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action='get_user',
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conditions=dict(method=['GET']))
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# Role Operations
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roles_controller = RoleController()
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mapper.connect('/tenants/{tenant_id}/users/{user_id}/roles',
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controller=roles_controller,
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action='get_user_roles',
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conditions=dict(method=['GET']))
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mapper.connect('/users/{user_id}/roles',
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controller=roles_controller,
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action='get_user_roles',
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conditions=dict(method=['GET']))
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class TenantController(wsgi.Application):
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def __init__(self):
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self.identity_api = Manager()
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self.policy_api = policy.Manager()
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self.token_api = token.Manager()
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super(TenantController, self).__init__()
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def get_all_tenants(self, context, **kw):
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"""Gets a list of all tenants for an admin user."""
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self.assert_admin(context)
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tenant_refs = self.identity_api.get_tenants(context)
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params = {
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'limit': context['query_string'].get('limit'),
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'marker': context['query_string'].get('marker'),
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}
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return self._format_tenant_list(tenant_refs, **params)
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def get_tenants_for_token(self, context, **kw):
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"""Get valid tenants for token based on token used to authenticate.
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Pulls the token from the context, validates it and gets the valid
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tenants for the user in the token.
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Doesn't care about token scopedness.
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"""
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try:
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token_ref = self.token_api.get_token(context=context,
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token_id=context['token_id'])
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except exception.NotFound:
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LOG.warning("Authentication failed. Could not find token " +
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str(context['token_id']))
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raise exception.Unauthorized()
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user_ref = token_ref['user']
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tenant_ids = self.identity_api.get_tenants_for_user(
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context, user_ref['id'])
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tenant_refs = []
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for tenant_id in tenant_ids:
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tenant_refs.append(self.identity_api.get_tenant(
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context=context,
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tenant_id=tenant_id))
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params = {
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'limit': context['query_string'].get('limit'),
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'marker': context['query_string'].get('marker'),
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}
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return self._format_tenant_list(tenant_refs, **params)
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def get_tenant(self, context, tenant_id):
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# TODO(termie): this stuff should probably be moved to middleware
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self.assert_admin(context)
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return {'tenant': self.identity_api.get_tenant(context, tenant_id)}
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# CRUD Extension
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def create_tenant(self, context, tenant):
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tenant_ref = self._normalize_dict(tenant)
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if not 'name' in tenant_ref or not tenant_ref['name']:
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msg = 'Name field is required and cannot be empty'
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raise exception.ValidationError(message=msg)
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self.assert_admin(context)
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tenant_ref['id'] = tenant_ref.get('id', uuid.uuid4().hex)
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tenant = self.identity_api.create_tenant(
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context, tenant_ref['id'], tenant_ref)
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return {'tenant': tenant}
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def _delete_tokens_for_user(self, context, user_id, tenant_id=None):
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self.token_api.revoke_tokens(context, user_id, tenant_id=tenant_id)
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def _delete_tokens_for_tenant(self, context, tenant_id):
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for user_ref in self.identity_api.get_tenant_users(context, tenant_id):
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self._delete_tokens_for_user(
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context, user_ref['id'], tenant_id=tenant_id)
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def update_tenant(self, context, tenant_id, tenant):
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self.assert_admin(context)
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# If the tenant has been disabled (or enabled=False) we are
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# deleting the tokens for that tenant.
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if not tenant.get('enabled', True):
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self._delete_tokens_for_tenant(context, tenant_id)
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tenant_ref = self.identity_api.update_tenant(
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context, tenant_id, tenant)
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return {'tenant': tenant_ref}
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def delete_tenant(self, context, tenant_id):
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self.assert_admin(context)
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# Delete all tokens belonging to the users for that tenant
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self._delete_tokens_for_tenant(context, tenant_id)
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self.identity_api.delete_tenant(context, tenant_id)
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def get_tenant_users(self, context, tenant_id, **kw):
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self.assert_admin(context)
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user_refs = self.identity_api.get_tenant_users(context, tenant_id)
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return {'users': user_refs}
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def _format_tenant_list(self, tenant_refs, **kwargs):
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marker = kwargs.get('marker')
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first_index = 0
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if marker is not None:
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for (marker_index, tenant) in enumerate(tenant_refs):
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if tenant['id'] == marker:
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# we start pagination after the marker
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first_index = marker_index + 1
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break
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else:
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msg = 'Marker could not be found'
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raise exception.ValidationError(message=msg)
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limit = kwargs.get('limit')
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last_index = None
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if limit is not None:
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try:
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limit = int(limit)
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if limit < 0:
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raise AssertionError()
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except (ValueError, AssertionError):
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msg = 'Invalid limit value'
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raise exception.ValidationError(message=msg)
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last_index = first_index + limit
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tenant_refs = tenant_refs[first_index:last_index]
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for x in tenant_refs:
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if 'enabled' not in x:
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x['enabled'] = True
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o = {'tenants': tenant_refs,
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'tenants_links': []}
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return o
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class UserController(wsgi.Application):
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def __init__(self):
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self.identity_api = Manager()
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self.policy_api = policy.Manager()
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self.token_api = token.Manager()
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super(UserController, self).__init__()
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def get_user(self, context, user_id):
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self.assert_admin(context)
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return {'user': self.identity_api.get_user(context, user_id)}
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def get_users(self, context):
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# NOTE(termie): i can't imagine that this really wants all the data
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# about every single user in the system...
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self.assert_admin(context)
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return {'users': self.identity_api.list_users(context)}
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# CRUD extension
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def create_user(self, context, user):
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user = self._normalize_dict(user)
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self.assert_admin(context)
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if not 'name' in user or not user['name']:
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msg = 'Name field is required and cannot be empty'
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raise exception.ValidationError(message=msg)
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tenant_id = user.get('tenantId', None)
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if (tenant_id is not None
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and self.identity_api.get_tenant(context, tenant_id) is None):
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raise exception.TenantNotFound(tenant_id=tenant_id)
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user_id = uuid.uuid4().hex
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user_ref = user.copy()
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user_ref['id'] = user_id
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new_user_ref = self.identity_api.create_user(
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context, user_id, user_ref)
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if tenant_id:
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self.identity_api.add_user_to_tenant(context, tenant_id, user_id)
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return {'user': new_user_ref}
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def update_user(self, context, user_id, user):
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# NOTE(termie): this is really more of a patch than a put
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self.assert_admin(context)
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user_ref = self.identity_api.update_user(context, user_id, user)
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# If the password was changed or the user was disabled we clear tokens
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if user.get('password') or not user.get('enabled', True):
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try:
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for token_id in self.token_api.list_tokens(context, user_id):
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self.token_api.delete_token(context, token_id)
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except exception.NotImplemented:
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# The users status has been changed but tokens remain valid for
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# backends that can't list tokens for users
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LOG.warning('User %s status has changed, but existing tokens '
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'remain valid' % user_id)
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return {'user': user_ref}
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def delete_user(self, context, user_id):
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self.assert_admin(context)
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self.identity_api.delete_user(context, user_id)
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try:
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for token_id in self.token_api.list_tokens(context, user_id):
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self.token_api.delete_token(context, token_id)
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except exception.NotImplemented:
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# The users status has been changed but tokens remain valid for
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# backends that can't list tokens for users
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LOG.warning('User %s status has changed, but existing tokens '
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'remain valid' % user_id)
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def set_user_enabled(self, context, user_id, user):
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return self.update_user(context, user_id, user)
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def set_user_password(self, context, user_id, user):
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return self.update_user(context, user_id, user)
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def update_user_tenant(self, context, user_id, user):
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"""Update the default tenant."""
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self.assert_admin(context)
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# ensure that we're a member of that tenant
|
|
tenant_id = user.get('tenantId')
|
|
self.identity_api.add_user_to_tenant(context, tenant_id, user_id)
|
|
return self.update_user(context, user_id, user)
|
|
|
|
|
|
class RoleController(wsgi.Application):
|
|
def __init__(self):
|
|
self.identity_api = Manager()
|
|
self.token_api = token.Manager()
|
|
self.policy_api = policy.Manager()
|
|
super(RoleController, self).__init__()
|
|
|
|
# COMPAT(essex-3)
|
|
def get_user_roles(self, context, user_id, tenant_id=None):
|
|
"""Get the roles for a user and tenant pair.
|
|
|
|
Since we're trying to ignore the idea of user-only roles we're
|
|
not implementing them in hopes that the idea will die off.
|
|
|
|
"""
|
|
self.assert_admin(context)
|
|
if tenant_id is None:
|
|
raise exception.NotImplemented(message='User roles not supported: '
|
|
'tenant ID required')
|
|
|
|
roles = self.identity_api.get_roles_for_user_and_tenant(
|
|
context, user_id, tenant_id)
|
|
return {'roles': [self.identity_api.get_role(context, x)
|
|
for x in roles]}
|
|
|
|
# CRUD extension
|
|
def get_role(self, context, role_id):
|
|
self.assert_admin(context)
|
|
return {'role': self.identity_api.get_role(context, role_id)}
|
|
|
|
def create_role(self, context, role):
|
|
role = self._normalize_dict(role)
|
|
self.assert_admin(context)
|
|
|
|
if not 'name' in role or not role['name']:
|
|
msg = 'Name field is required and cannot be empty'
|
|
raise exception.ValidationError(message=msg)
|
|
|
|
role_id = uuid.uuid4().hex
|
|
role['id'] = role_id
|
|
role_ref = self.identity_api.create_role(context, role_id, role)
|
|
return {'role': role_ref}
|
|
|
|
def delete_role(self, context, role_id):
|
|
self.assert_admin(context)
|
|
self.identity_api.delete_role(context, role_id)
|
|
|
|
def get_roles(self, context):
|
|
self.assert_admin(context)
|
|
return {'roles': self.identity_api.list_roles(context)}
|
|
|
|
def add_role_to_user(self, context, user_id, role_id, tenant_id=None):
|
|
"""Add a role to a user and tenant pair.
|
|
|
|
Since we're trying to ignore the idea of user-only roles we're
|
|
not implementing them in hopes that the idea will die off.
|
|
|
|
"""
|
|
self.assert_admin(context)
|
|
if tenant_id is None:
|
|
raise exception.NotImplemented(message='User roles not supported: '
|
|
'tenant_id required')
|
|
|
|
# This still has the weird legacy semantics that adding a role to
|
|
# a user also adds them to a tenant
|
|
self.identity_api.add_user_to_tenant(context, tenant_id, user_id)
|
|
self.identity_api.add_role_to_user_and_tenant(
|
|
context, user_id, tenant_id, role_id)
|
|
self.token_api.revoke_tokens(context, user_id, tenant_id)
|
|
|
|
role_ref = self.identity_api.get_role(context, role_id)
|
|
return {'role': role_ref}
|
|
|
|
def remove_role_from_user(self, context, user_id, role_id, tenant_id=None):
|
|
"""Remove a role from a user and tenant pair.
|
|
|
|
Since we're trying to ignore the idea of user-only roles we're
|
|
not implementing them in hopes that the idea will die off.
|
|
|
|
"""
|
|
self.assert_admin(context)
|
|
if tenant_id is None:
|
|
raise exception.NotImplemented(message='User roles not supported: '
|
|
'tenant_id required')
|
|
|
|
# This still has the weird legacy semantics that adding a role to
|
|
# a user also adds them to a tenant, so we must follow up on that
|
|
self.identity_api.remove_role_from_user_and_tenant(
|
|
context, user_id, tenant_id, role_id)
|
|
roles = self.identity_api.get_roles_for_user_and_tenant(
|
|
context, user_id, tenant_id)
|
|
if not roles:
|
|
self.identity_api.remove_user_from_tenant(
|
|
context, tenant_id, user_id)
|
|
self.token_api.revoke_tokens(context, user_id, tenant_id)
|
|
|
|
# COMPAT(diablo): CRUD extension
|
|
def get_role_refs(self, context, user_id):
|
|
"""Ultimate hack to get around having to make role_refs first-class.
|
|
|
|
This will basically iterate over the various roles the user has in
|
|
all tenants the user is a member of and create fake role_refs where
|
|
the id encodes the user-tenant-role information so we can look
|
|
up the appropriate data when we need to delete them.
|
|
|
|
"""
|
|
self.assert_admin(context)
|
|
# Ensure user exists by getting it first.
|
|
self.identity_api.get_user(context, user_id)
|
|
tenant_ids = self.identity_api.get_tenants_for_user(context, user_id)
|
|
o = []
|
|
for tenant_id in tenant_ids:
|
|
role_ids = self.identity_api.get_roles_for_user_and_tenant(
|
|
context, user_id, tenant_id)
|
|
for role_id in role_ids:
|
|
ref = {'roleId': role_id,
|
|
'tenantId': tenant_id,
|
|
'userId': user_id}
|
|
ref['id'] = urllib.urlencode(ref)
|
|
o.append(ref)
|
|
return {'roles': o}
|
|
|
|
# COMPAT(diablo): CRUD extension
|
|
def create_role_ref(self, context, user_id, role):
|
|
"""This is actually used for adding a user to a tenant.
|
|
|
|
In the legacy data model adding a user to a tenant required setting
|
|
a role.
|
|
|
|
"""
|
|
self.assert_admin(context)
|
|
# TODO(termie): for now we're ignoring the actual role
|
|
tenant_id = role.get('tenantId')
|
|
role_id = role.get('roleId')
|
|
self.identity_api.add_user_to_tenant(context, tenant_id, user_id)
|
|
self.identity_api.add_role_to_user_and_tenant(
|
|
context, user_id, tenant_id, role_id)
|
|
self.token_api.revoke_tokens(context, user_id, tenant_id)
|
|
|
|
role_ref = self.identity_api.get_role(context, role_id)
|
|
return {'role': role_ref}
|
|
|
|
# COMPAT(diablo): CRUD extension
|
|
def delete_role_ref(self, context, user_id, role_ref_id):
|
|
"""This is actually used for deleting a user from a tenant.
|
|
|
|
In the legacy data model removing a user from a tenant required
|
|
deleting a role.
|
|
|
|
To emulate this, we encode the tenant and role in the role_ref_id,
|
|
and if this happens to be the last role for the user-tenant pair,
|
|
we remove the user from the tenant.
|
|
|
|
"""
|
|
self.assert_admin(context)
|
|
# TODO(termie): for now we're ignoring the actual role
|
|
role_ref_ref = urlparse.parse_qs(role_ref_id)
|
|
tenant_id = role_ref_ref.get('tenantId')[0]
|
|
role_id = role_ref_ref.get('roleId')[0]
|
|
self.identity_api.remove_role_from_user_and_tenant(
|
|
context, user_id, tenant_id, role_id)
|
|
roles = self.identity_api.get_roles_for_user_and_tenant(
|
|
context, user_id, tenant_id)
|
|
if not roles:
|
|
self.identity_api.remove_user_from_tenant(
|
|
context, tenant_id, user_id)
|
|
self.token_api.revoke_tokens(context, user_id, tenant_id)
|