651 lines
24 KiB
Python
651 lines
24 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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from keystone import clean
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from keystone.common import kvs
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from keystone.common import utils
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from keystone import exception
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from keystone import identity
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class Identity(kvs.Base, identity.Driver):
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# Public interface
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def authenticate(self, user_id=None, tenant_id=None, password=None):
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"""Authenticate based on a user, tenant and password.
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Expects the user object to have a password field and the tenant to be
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in the list of tenants on the user.
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"""
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user_ref = None
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tenant_ref = None
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metadata_ref = {}
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try:
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user_ref = self._get_user(user_id)
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except exception.UserNotFound:
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raise AssertionError('Invalid user / password')
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if not utils.check_password(password, user_ref.get('password')):
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raise AssertionError('Invalid user / password')
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if tenant_id is not None:
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if tenant_id not in self.get_projects_for_user(user_id):
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raise AssertionError('Invalid tenant')
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try:
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tenant_ref = self.get_project(tenant_id)
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metadata_ref = self.get_metadata(user_id, tenant_id)
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except exception.ProjectNotFound:
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tenant_ref = None
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metadata_ref = {}
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except exception.MetadataNotFound:
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metadata_ref = {}
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return (identity.filter_user(user_ref), tenant_ref, metadata_ref)
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def get_project(self, tenant_id):
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try:
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return self.db.get('tenant-%s' % tenant_id)
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except exception.NotFound:
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raise exception.ProjectNotFound(project_id=tenant_id)
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def list_projects(self):
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tenant_keys = filter(lambda x: x.startswith("tenant-"),
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self.db.keys())
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return [self.db.get(key) for key in tenant_keys]
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def get_project_by_name(self, tenant_name, domain_id):
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try:
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return self.db.get('tenant_name-%s' % tenant_name)
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except exception.NotFound:
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raise exception.ProjectNotFound(project_id=tenant_name)
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def get_project_users(self, tenant_id):
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self.get_project(tenant_id)
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user_keys = filter(lambda x: x.startswith("user-"), self.db.keys())
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user_refs = [self.db.get(key) for key in user_keys]
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user_refs = filter(lambda x: tenant_id in x['tenants'], user_refs)
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return [identity.filter_user(user_ref) for user_ref in user_refs]
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def _get_user(self, user_id):
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try:
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return self.db.get('user-%s' % user_id)
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except exception.NotFound:
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raise exception.UserNotFound(user_id=user_id)
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def _get_user_by_name(self, user_name, domain_id):
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try:
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return self.db.get('user_name-%s' % user_name)
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except exception.NotFound:
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raise exception.UserNotFound(user_id=user_name)
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def get_user(self, user_id):
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return identity.filter_user(self._get_user(user_id))
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def get_user_by_name(self, user_name, domain_id):
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return identity.filter_user(
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self._get_user_by_name(user_name, domain_id))
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def get_metadata(self, user_id=None, tenant_id=None,
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domain_id=None, group_id=None):
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try:
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if user_id:
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if tenant_id:
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return self.db.get('metadata-%s-%s' % (tenant_id,
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user_id))
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else:
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return self.db.get('metadata-%s-%s' % (domain_id,
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user_id))
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else:
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if tenant_id:
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return self.db.get('metadata-%s-%s' % (tenant_id,
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group_id))
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else:
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return self.db.get('metadata-%s-%s' % (domain_id,
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group_id))
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except exception.NotFound:
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raise exception.MetadataNotFound()
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def get_role(self, role_id):
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try:
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return self.db.get('role-%s' % role_id)
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except exception.NotFound:
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raise exception.RoleNotFound(role_id=role_id)
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def list_users(self):
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user_ids = self.db.get('user_list', [])
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return [self.get_user(x) for x in user_ids]
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def list_roles(self):
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role_ids = self.db.get('role_list', [])
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return [self.get_role(x) for x in role_ids]
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def get_projects_for_user(self, user_id):
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user_ref = self._get_user(user_id)
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return user_ref.get('tenants', [])
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def get_roles_for_user_and_project(self, user_id, tenant_id):
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self.get_user(user_id)
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self.get_project(tenant_id)
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try:
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metadata_ref = self.get_metadata(user_id, tenant_id)
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except exception.MetadataNotFound:
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metadata_ref = {}
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return metadata_ref.get('roles', [])
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def add_role_to_user_and_project(self, user_id, tenant_id, role_id):
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self.get_user(user_id)
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self.get_project(tenant_id)
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self.get_role(role_id)
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try:
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metadata_ref = self.get_metadata(user_id, tenant_id)
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except exception.MetadataNotFound:
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metadata_ref = {}
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roles = set(metadata_ref.get('roles', []))
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if role_id in roles:
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msg = ('User %s already has role %s in tenant %s'
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% (user_id, role_id, tenant_id))
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raise exception.Conflict(type='role grant', details=msg)
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roles.add(role_id)
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metadata_ref['roles'] = list(roles)
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self.update_metadata(user_id, tenant_id, metadata_ref)
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def remove_role_from_user_and_project(self, user_id, tenant_id, role_id):
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try:
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metadata_ref = self.get_metadata(user_id, tenant_id)
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except exception.MetadataNotFound:
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metadata_ref = {}
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roles = set(metadata_ref.get('roles', []))
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if role_id not in roles:
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msg = 'Cannot remove role that has not been granted, %s' % role_id
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raise exception.RoleNotFound(message=msg)
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roles.remove(role_id)
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metadata_ref['roles'] = list(roles)
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if not len(roles):
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self.db.delete('metadata-%s-%s' % (tenant_id, user_id))
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user_ref = self._get_user(user_id)
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tenants = set(user_ref.get('tenants', []))
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tenants.remove(tenant_id)
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user_ref['tenants'] = list(tenants)
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self.update_user(user_id, user_ref)
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else:
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self.update_metadata(user_id, tenant_id, metadata_ref)
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# CRUD
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def create_user(self, user_id, user):
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user['name'] = clean.user_name(user['name'])
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try:
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self.get_user(user_id)
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except exception.UserNotFound:
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pass
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else:
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msg = 'Duplicate ID, %s.' % user_id
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raise exception.Conflict(type='user', details=msg)
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try:
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self.get_user_by_name(user['name'], user['domain_id'])
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except exception.UserNotFound:
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pass
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else:
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msg = 'Duplicate name, %s.' % user['name']
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raise exception.Conflict(type='user', details=msg)
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user = utils.hash_user_password(user)
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new_user = user.copy()
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new_user.setdefault('groups', [])
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self.db.set('user-%s' % user_id, new_user)
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self.db.set('user_name-%s' % new_user['name'], new_user)
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user_list = set(self.db.get('user_list', []))
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user_list.add(user_id)
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self.db.set('user_list', list(user_list))
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return identity.filter_user(new_user)
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def update_user(self, user_id, user):
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if 'name' in user:
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user['name'] = clean.user_name(user['name'])
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existing = self.db.get('user_name-%s' % user['name'])
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if existing and user_id != existing['id']:
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msg = 'Duplicate name, %s.' % user['name']
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raise exception.Conflict(type='user', details=msg)
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# get the old name and delete it too
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try:
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old_user = self.db.get('user-%s' % user_id)
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except exception.NotFound:
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raise exception.UserNotFound(user_id=user_id)
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new_user = old_user.copy()
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user = utils.hash_user_password(user)
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new_user.update(user)
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if new_user['id'] != user_id:
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raise exception.ValidationError('Cannot change user ID')
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self.db.delete('user_name-%s' % old_user['name'])
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self.db.set('user-%s' % user_id, new_user)
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self.db.set('user_name-%s' % new_user['name'], new_user)
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return new_user
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def add_user_to_group(self, user_id, group_id):
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self.get_group(group_id)
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user_ref = self._get_user(user_id)
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groups = set(user_ref.get('groups', []))
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groups.add(group_id)
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self.update_user(user_id, {'groups': list(groups)})
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def check_user_in_group(self, user_id, group_id):
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self.get_group(group_id)
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user_ref = self._get_user(user_id)
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if group_id not in set(user_ref.get('groups', [])):
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raise exception.NotFound(_('User not found in group'))
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def remove_user_from_group(self, user_id, group_id):
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self.get_group(group_id)
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user_ref = self._get_user(user_id)
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groups = set(user_ref.get('groups', []))
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try:
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groups.remove(group_id)
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except KeyError:
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raise exception.NotFound(_('User not found in group'))
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self.update_user(user_id, {'groups': list(groups)})
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def list_users_in_group(self, group_id):
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self.get_group(group_id)
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user_keys = filter(lambda x: x.startswith("user-"), self.db.keys())
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user_refs = [self.db.get(key) for key in user_keys]
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user_refs_for_group = filter(lambda x: group_id in x['groups'],
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user_refs)
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return [identity.filter_user(x) for x in user_refs_for_group]
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def list_groups_for_user(self, user_id):
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user_ref = self._get_user(user_id)
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group_ids = user_ref.get('groups', [])
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return [self.get_group(x) for x in group_ids]
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def delete_user(self, user_id):
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try:
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old_user = self.db.get('user-%s' % user_id)
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except exception.NotFound:
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raise exception.UserNotFound(user_id=user_id)
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self.db.delete('user_name-%s' % old_user['name'])
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self.db.delete('user-%s' % user_id)
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user_list = set(self.db.get('user_list', []))
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user_list.remove(user_id)
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self.db.set('user_list', list(user_list))
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def create_project(self, tenant_id, tenant):
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tenant['name'] = clean.project_name(tenant['name'])
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try:
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self.get_project(tenant_id)
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except exception.ProjectNotFound:
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pass
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else:
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msg = 'Duplicate ID, %s.' % tenant_id
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raise exception.Conflict(type='tenant', details=msg)
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try:
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self.get_project_by_name(tenant['name'], tenant['domain_id'])
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except exception.ProjectNotFound:
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pass
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else:
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msg = 'Duplicate name, %s.' % tenant['name']
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raise exception.Conflict(type='tenant', details=msg)
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self.db.set('tenant-%s' % tenant_id, tenant)
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self.db.set('tenant_name-%s' % tenant['name'], tenant)
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return tenant
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def update_project(self, tenant_id, tenant):
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if 'name' in tenant:
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tenant['name'] = clean.project_name(tenant['name'])
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try:
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existing = self.db.get('tenant_name-%s' % tenant['name'])
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if existing and tenant_id != existing['id']:
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msg = 'Duplicate name, %s.' % tenant['name']
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raise exception.Conflict(type='tenant', details=msg)
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except exception.NotFound:
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pass
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# get the old name and delete it too
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try:
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old_project = self.db.get('tenant-%s' % tenant_id)
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except exception.NotFound:
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raise exception.ProjectNotFound(project_id=tenant_id)
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new_project = old_project.copy()
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new_project.update(tenant)
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new_project['id'] = tenant_id
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self.db.delete('tenant_name-%s' % old_project['name'])
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self.db.set('tenant-%s' % tenant_id, new_project)
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self.db.set('tenant_name-%s' % new_project['name'], new_project)
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return new_project
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def delete_project(self, tenant_id):
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try:
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old_project = self.db.get('tenant-%s' % tenant_id)
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except exception.NotFound:
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raise exception.ProjectNotFound(project_id=tenant_id)
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self.db.delete('tenant_name-%s' % old_project['name'])
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self.db.delete('tenant-%s' % tenant_id)
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def create_metadata(self, user_id, tenant_id, metadata,
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domain_id=None, group_id=None):
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return self.update_metadata(user_id, tenant_id, metadata,
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domain_id, group_id)
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def update_metadata(self, user_id, tenant_id, metadata,
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domain_id=None, group_id=None):
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if user_id:
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if tenant_id:
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self.db.set('metadata-%s-%s' % (tenant_id, user_id), metadata)
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user_ref = self._get_user(user_id)
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tenants = set(user_ref.get('tenants', []))
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if tenant_id not in tenants:
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tenants.add(tenant_id)
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user_ref['tenants'] = list(tenants)
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self.update_user(user_id, user_ref)
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else:
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self.db.set('metadata-%s-%s' % (domain_id, user_id), metadata)
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else:
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if tenant_id:
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self.db.set('metadata-%s-%s' % (tenant_id, group_id), metadata)
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else:
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self.db.set('metadata-%s-%s' % (domain_id, group_id), metadata)
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return metadata
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def create_role(self, role_id, role):
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try:
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self.get_role(role_id)
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except exception.RoleNotFound:
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pass
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else:
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msg = 'Duplicate ID, %s.' % role_id
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raise exception.Conflict(type='role', details=msg)
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for role_ref in self.list_roles():
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if role['name'] == role_ref['name']:
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msg = 'Duplicate name, %s.' % role['name']
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raise exception.Conflict(type='role', details=msg)
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self.db.set('role-%s' % role_id, role)
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role_list = set(self.db.get('role_list', []))
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role_list.add(role_id)
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self.db.set('role_list', list(role_list))
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return role
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def update_role(self, role_id, role):
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old_role_ref = None
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for role_ref in self.list_roles():
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if role['name'] == role_ref['name'] and role_id != role_ref['id']:
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msg = 'Duplicate name, %s.' % role['name']
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raise exception.Conflict(type='role', details=msg)
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if role_id == role_ref['id']:
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old_role_ref = role_ref
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if old_role_ref is None:
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raise exception.RoleNotFound(role_id=role_id)
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new_role = old_role_ref.copy()
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new_role.update(role)
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new_role['id'] = role_id
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self.db.set('role-%s' % role_id, new_role)
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return role
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def delete_role(self, role_id):
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try:
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self.db.delete('role-%s' % role_id)
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metadata_keys = filter(lambda x: x.startswith("metadata-"),
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self.db.keys())
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for key in metadata_keys:
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tenant_id = key.split('-')[1]
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user_id = key.split('-')[2]
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try:
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self.remove_role_from_user_and_project(user_id,
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tenant_id,
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role_id)
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except exception.RoleNotFound:
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pass
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except exception.NotFound:
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raise exception.RoleNotFound(role_id=role_id)
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role_list = set(self.db.get('role_list', []))
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role_list.remove(role_id)
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self.db.set('role_list', list(role_list))
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def create_grant(self, role_id, user_id=None, group_id=None,
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domain_id=None, project_id=None):
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self.get_role(role_id)
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if user_id:
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self.get_user(user_id)
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if group_id:
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self.get_group(group_id)
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if domain_id:
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self.get_domain(domain_id)
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if project_id:
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self.get_project(project_id)
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try:
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metadata_ref = self.get_metadata(user_id, project_id,
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domain_id, group_id)
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except exception.MetadataNotFound:
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metadata_ref = {}
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roles = set(metadata_ref.get('roles', []))
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roles.add(role_id)
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metadata_ref['roles'] = list(roles)
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self.update_metadata(user_id, project_id, metadata_ref,
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domain_id, group_id)
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def list_grants(self, user_id=None, group_id=None,
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domain_id=None, project_id=None):
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if user_id:
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self.get_user(user_id)
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if group_id:
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self.get_group(group_id)
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if domain_id:
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self.get_domain(domain_id)
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if project_id:
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self.get_project(project_id)
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try:
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metadata_ref = self.get_metadata(user_id, project_id,
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domain_id, group_id)
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except exception.MetadataNotFound:
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metadata_ref = {}
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return [self.get_role(x) for x in metadata_ref.get('roles', [])]
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def get_grant(self, role_id, user_id=None, group_id=None,
|
|
domain_id=None, project_id=None):
|
|
self.get_role(role_id)
|
|
if user_id:
|
|
self.get_user(user_id)
|
|
if group_id:
|
|
self.get_group(group_id)
|
|
if domain_id:
|
|
self.get_domain(domain_id)
|
|
if project_id:
|
|
self.get_project(project_id)
|
|
|
|
try:
|
|
metadata_ref = self.get_metadata(user_id, project_id,
|
|
domain_id, group_id)
|
|
except exception.MetadataNotFound:
|
|
metadata_ref = {}
|
|
role_ids = set(metadata_ref.get('roles', []))
|
|
if role_id not in role_ids:
|
|
raise exception.RoleNotFound(role_id=role_id)
|
|
return self.get_role(role_id)
|
|
|
|
def delete_grant(self, role_id, user_id=None, group_id=None,
|
|
domain_id=None, project_id=None):
|
|
self.get_role(role_id)
|
|
if user_id:
|
|
self.get_user(user_id)
|
|
if group_id:
|
|
self.get_group(group_id)
|
|
if domain_id:
|
|
self.get_domain(domain_id)
|
|
if project_id:
|
|
self.get_project(project_id)
|
|
|
|
try:
|
|
metadata_ref = self.get_metadata(user_id, project_id,
|
|
domain_id, group_id)
|
|
except exception.MetadataNotFound:
|
|
metadata_ref = {}
|
|
roles = set(metadata_ref.get('roles', []))
|
|
try:
|
|
roles.remove(role_id)
|
|
except KeyError:
|
|
raise exception.RoleNotFound(role_id=role_id)
|
|
metadata_ref['roles'] = list(roles)
|
|
self.update_metadata(user_id, project_id, metadata_ref,
|
|
domain_id, group_id)
|
|
|
|
# domain crud
|
|
|
|
def create_domain(self, domain_id, domain):
|
|
try:
|
|
self.get_domain(domain_id)
|
|
except exception.DomainNotFound:
|
|
pass
|
|
else:
|
|
msg = 'Duplicate ID, %s.' % domain_id
|
|
raise exception.Conflict(type='domain', details=msg)
|
|
|
|
try:
|
|
self.get_domain_by_name(domain['name'])
|
|
except exception.DomainNotFound:
|
|
pass
|
|
else:
|
|
msg = 'Duplicate name, %s.' % domain['name']
|
|
raise exception.Conflict(type='domain', details=msg)
|
|
|
|
self.db.set('domain-%s' % domain_id, domain)
|
|
self.db.set('domain_name-%s' % domain['name'], domain)
|
|
domain_list = set(self.db.get('domain_list', []))
|
|
domain_list.add(domain_id)
|
|
self.db.set('domain_list', list(domain_list))
|
|
return domain
|
|
|
|
def list_domains(self):
|
|
domain_ids = self.db.get('domain_list', [])
|
|
return [self.get_domain(x) for x in domain_ids]
|
|
|
|
def get_domain(self, domain_id):
|
|
try:
|
|
return self.db.get('domain-%s' % domain_id)
|
|
except exception.NotFound:
|
|
raise exception.DomainNotFound(domain_id=domain_id)
|
|
|
|
def get_domain_by_name(self, domain_name):
|
|
try:
|
|
return self.db.get('domain_name-%s' % domain_name)
|
|
except exception.NotFound:
|
|
raise exception.DomainNotFound(domain_id=domain_name)
|
|
|
|
def update_domain(self, domain_id, domain):
|
|
orig_domain = self.get_domain(domain_id)
|
|
domain['id'] = domain_id
|
|
self.db.set('domain-%s' % domain_id, domain)
|
|
self.db.set('domain_name-%s' % domain['name'], domain)
|
|
if domain['name'] != orig_domain['name']:
|
|
self.db.delete('domain_name-%s' % orig_domain['name'])
|
|
return domain
|
|
|
|
def delete_domain(self, domain_id):
|
|
domain = self.get_domain(domain_id)
|
|
self.db.delete('domain-%s' % domain_id)
|
|
self.db.delete('domain_name-%s' % domain['name'])
|
|
domain_list = set(self.db.get('domain_list', []))
|
|
domain_list.remove(domain_id)
|
|
self.db.set('domain_list', list(domain_list))
|
|
|
|
# group crud
|
|
|
|
def create_group(self, group_id, group):
|
|
try:
|
|
return self.db.get('group-%s' % group_id)
|
|
except exception.NotFound:
|
|
pass
|
|
else:
|
|
msg = _('Duplicate ID, %s.') % group_id
|
|
raise exception.Conflict(type='group', details=msg)
|
|
try:
|
|
self.db.get('group_name-%s' % group['name'])
|
|
except exception.NotFound:
|
|
pass
|
|
else:
|
|
msg = _('Duplicate name, %s.') % group['name']
|
|
raise exception.Conflict(type='group', details=msg)
|
|
|
|
self.db.set('group-%s' % group_id, group)
|
|
self.db.set('group_name-%s' % group['name'], group)
|
|
group_list = set(self.db.get('group_list', []))
|
|
group_list.add(group_id)
|
|
self.db.set('group_list', list(group_list))
|
|
return group
|
|
|
|
def list_groups(self):
|
|
group_ids = self.db.get('group_list', [])
|
|
return [self.get_group(x) for x in group_ids]
|
|
|
|
def get_group(self, group_id):
|
|
try:
|
|
return self.db.get('group-%s' % group_id)
|
|
except exception.NotFound:
|
|
raise exception.GroupNotFound(group_id=group_id)
|
|
|
|
def update_group(self, group_id, group):
|
|
# First, make sure we are not trying to change the
|
|
# name to one that is already in use
|
|
try:
|
|
self.db.get('group_name-%s' % group['name'])
|
|
except exception.NotFound:
|
|
pass
|
|
else:
|
|
msg = _('Duplicate name, %s.') % group['name']
|
|
raise exception.Conflict(type='group', details=msg)
|
|
|
|
# Now, get the old name and delete it
|
|
try:
|
|
old_group = self.db.get('group-%s' % group_id)
|
|
except exception.NotFound:
|
|
raise exception.GroupNotFound(group_id=group_id)
|
|
self.db.delete('group_name-%s' % old_group['name'])
|
|
|
|
# Finally, actually do the update
|
|
self.db.set('group-%s' % group_id, group)
|
|
self.db.set('group_name-%s' % group['name'], group)
|
|
return group
|
|
|
|
def delete_group(self, group_id):
|
|
try:
|
|
group = self.db.get('group-%s' % group_id)
|
|
except exception.NotFound:
|
|
raise exception.GroupNotFound(group_id=group_id)
|
|
# Delete any entries in the group lists of all users
|
|
user_keys = filter(lambda x: x.startswith("user-"), self.db.keys())
|
|
user_refs = [self.db.get(key) for key in user_keys]
|
|
for user_ref in user_refs:
|
|
groups = set(user_ref.get('groups', []))
|
|
if group_id in groups:
|
|
groups.remove(group_id)
|
|
self.update_user(user_ref['id'], {'groups': list(groups)})
|
|
|
|
# Now delete the group itself
|
|
self.db.delete('group-%s' % group_id)
|
|
self.db.delete('group_name-%s' % group['name'])
|
|
group_list = set(self.db.get('group_list', []))
|
|
group_list.remove(group_id)
|
|
self.db.set('group_list', list(group_list))
|