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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.
import json
import logging
from keystoneclient import exceptions
from keystoneclient.v2_0 import client
from keystoneclient.v3 import credentials
from keystoneclient.v3 import domains
from keystoneclient.v3 import endpoints
from keystoneclient.v3 import groups
from keystoneclient.v3 import policies
from keystoneclient.v3 import projects
from keystoneclient.v3 import roles
from keystoneclient.v3 import services
from keystoneclient.v3 import users
_logger = logging.getLogger(__name__)
class Client(client.Client):
"""Client for the OpenStack Identity API v3.
:param string user_id: User ID for authentication. (optional)
:param string username: Username for authentication. (optional)
:param string user_domain_id: User's domain ID for authentication.
(optional)
:param string user_domain_name: User's domain name for authentication.
(optional)
:param string password: Password for authentication. (optional)
:param string token: Token for authentication. (optional)
:param string domain_id: Domain ID for domain scoping. (optional)
:param string domain_name: Domain name for domain scoping. (optional)
:param string project_id: Project ID for project scoping. (optional)
:param string project_name: Project name for project scoping. (optional)
:param string project_domain_id: Project's domain ID for project
scoping. (optional)
:param string project_domain_name: Project's domain name for project
scoping. (optional)
:param string tenant_name: Tenant name. (optional)
The tenant_name keyword argument is deprecated,
use project_name instead.
:param string tenant_id: Tenant id. (optional)
The tenant_id keyword argument is deprecated,
use project_id instead.
:param string auth_url: Identity service endpoint for authorization.
:param string region_name: Name of a region to select when choosing an
endpoint from the service catalog.
:param string endpoint: A user-supplied endpoint URL for the identity
service. Lazy-authentication is possible for API
service calls if endpoint is set at
instantiation. (optional)
:param integer timeout: Allows customization of the timeout for client
http requests. (optional)
Example::
>>> from keystoneclient.v3 import client
>>> keystone = client.Client(user_domain_name=DOMAIN_NAME,
... username=USER,
... password=PASS,
... project_domain_name=PROJECT_DOMAIN_NAME,
... project_name=PROJECT_NAME,
... auth_url=KEYSTONE_URL)
...
>>> keystone.projects.list()
...
>>> user = keystone.users.get(USER_ID)
>>> user.delete()
"""
def __init__(self, **kwargs):
""" Initialize a new client for the Keystone v3 API. """
super(Client, self).__init__(**kwargs)
self.version = 'v3'
self.credentials = credentials.CredentialManager(self)
self.endpoints = endpoints.EndpointManager(self)
self.domains = domains.DomainManager(self)
self.groups = groups.GroupManager(self)
self.policies = policies.PolicyManager(self)
self.projects = projects.ProjectManager(self)
self.roles = roles.RoleManager(self)
self.services = services.ServiceManager(self)
self.users = users.UserManager(self)
def serialize(self, entity):
return json.dumps(entity, sort_keys=True)
def process_token(self):
""" Extract and process information from the new auth_ref.
And set the relevant authentication information.
"""
super(Client, self).process_token()
if self.auth_ref.domain_scoped:
if not self.auth_ref.domain_id:
raise exceptions.AuthorizationFailure(
"Token didn't provide domain_id")
if self.management_url is None and self.auth_ref.management_url:
self.management_url = self.auth_ref.management_url[0]
self.domain_name = self.auth_ref.domain_name
self.domain_id = self.auth_ref.domain_id
def get_raw_token_from_identity_service(self, auth_url, user_id=None,
username=None,
user_domain_id=None,
user_domain_name=None,
password=None,
domain_id=None, domain_name=None,
project_id=None, project_name=None,
project_domain_id=None,
project_domain_name=None,
token=None, **kwargs):
""" Authenticate against the v3 Identity API.
:returns: (``resp``, ``body``) if authentication was successful.
:raises: AuthorizationFailure if unable to authenticate or validate
the existing authorization token
:raises: Unauthorized if authentication fails due to invalid token
"""
try:
return self._do_auth(
auth_url,
user_id=user_id,
username=username,
user_domain_id=user_domain_id,
user_domain_name=user_domain_name,
password=password,
domain_id=domain_id,
domain_name=domain_name,
project_id=project_id,
project_name=project_name,
project_domain_id=project_domain_id,
project_domain_name=project_domain_name,
token=token)
except (exceptions.AuthorizationFailure, exceptions.Unauthorized):
_logger.debug('Authorization failed.')
raise
except Exception as e:
raise exceptions.AuthorizationFailure('Authorization failed: '
'%s' % e)
def _do_auth(self, auth_url, user_id=None, username=None,
user_domain_id=None, user_domain_name=None, password=None,
domain_id=None, domain_name=None,
project_id=None, project_name=None, project_domain_id=None,
project_domain_name=None, token=None):
headers = {}
url = auth_url + "/auth/tokens"
body = {'auth': {'identity': {}}}
ident = body['auth']['identity']
if token:
headers['X-Auth-Token'] = token
ident['methods'] = ['token']
ident['token'] = {}
ident['token']['id'] = token
if password:
ident['methods'] = ['password']
ident['password'] = {}
ident['password']['user'] = {}
user = ident['password']['user']
user['password'] = password
if user_id:
user['id'] = user_id
elif username:
user['name'] = username
if user_domain_id or user_domain_name:
user['domain'] = {}
if user_domain_id:
user['domain']['id'] = user_domain_id
elif user_domain_name:
user['domain']['name'] = user_domain_name
if (domain_id or domain_name) and (project_id or project_name):
raise ValueError('Authentication cannot be scoped to both domain'
' and project.')
if domain_id or domain_name:
body['auth']['scope'] = {}
scope = body['auth']['scope']
scope['domain'] = {}
if domain_id:
scope['domain']['id'] = domain_id
elif domain_name:
scope['domain']['name'] = domain_name
if project_id or project_name:
body['auth']['scope'] = {}
scope = body['auth']['scope']
scope['project'] = {}
if project_id:
scope['project']['id'] = project_id
elif project_name:
scope['project']['name'] = project_name
if project_domain_id or project_domain_name:
scope['project']['domain'] = {}
if project_domain_id:
scope['project']['domain']['id'] = project_domain_id
elif project_domain_name:
scope['project']['domain']['name'] = project_domain_name
if not (ident or token):
raise ValueError('Authentication method required (e.g. password)')
resp, body = self.request(url, 'POST', body=body, headers=headers)
return resp, body
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