269 lines
10 KiB
Python
269 lines
10 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
|
|
# Copyright 2013 OpenStack Foundation
|
|
#
|
|
# 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 uuid
|
|
|
|
from keystone import assignment
|
|
from keystone.common import controller
|
|
from keystone.common import dependency
|
|
from keystone import config
|
|
from keystone import exception
|
|
from keystone.openstack.common import log
|
|
from keystone.openstack.common import timeutils
|
|
|
|
|
|
LOG = log.getLogger(__name__)
|
|
CONF = config.CONF
|
|
|
|
|
|
def _trustor_only(context, trust, user_id):
|
|
if user_id != trust.get('trustor_user_id'):
|
|
raise exception.Forbidden()
|
|
|
|
|
|
def _trustor_trustee_only(trust, user_id):
|
|
if (user_id != trust.get('trustee_user_id') and
|
|
user_id != trust.get('trustor_user_id')):
|
|
raise exception.Forbidden()
|
|
|
|
|
|
def _admin_trustor_only(context, trust, user_id):
|
|
if user_id != trust.get('trustor_user_id') and not context['is_admin']:
|
|
raise exception.Forbidden()
|
|
|
|
|
|
@dependency.requires('assignment_api', 'identity_api', 'trust_api',
|
|
'token_api')
|
|
class TrustV3(controller.V3Controller):
|
|
collection_name = "trusts"
|
|
member_name = "trust"
|
|
|
|
@classmethod
|
|
def base_url(cls, path=None):
|
|
endpoint = CONF.public_endpoint % CONF
|
|
|
|
# allow a missing trailing slash in the config
|
|
if endpoint[-1] != '/':
|
|
endpoint += '/'
|
|
|
|
url = endpoint + 'v3/OS-TRUST'
|
|
|
|
if path:
|
|
return url + path
|
|
else:
|
|
return url + '/' + cls.collection_name
|
|
|
|
def _get_user_id(self, context):
|
|
if 'token_id' in context:
|
|
token_id = context['token_id']
|
|
token = self.token_api.get_token(token_id)
|
|
user_id = token['user']['id']
|
|
return user_id
|
|
return None
|
|
|
|
def get_trust(self, context, trust_id):
|
|
user_id = self._get_user_id(context)
|
|
trust = self.trust_api.get_trust(trust_id)
|
|
if not trust:
|
|
raise exception.TrustNotFound(trust_id)
|
|
_trustor_trustee_only(trust, user_id)
|
|
self._fill_in_roles(context, trust,
|
|
self.assignment_api.list_roles())
|
|
return TrustV3.wrap_member(context, trust)
|
|
|
|
def _fill_in_roles(self, context, trust, all_roles):
|
|
if trust.get('expires_at') is not None:
|
|
trust['expires_at'] = (timeutils.isotime
|
|
(trust['expires_at'],
|
|
subsecond=True))
|
|
|
|
if 'roles' not in trust:
|
|
trust['roles'] = []
|
|
trust_full_roles = []
|
|
for trust_role in trust['roles']:
|
|
if isinstance(trust_role, basestring):
|
|
trust_role = {'id': trust_role}
|
|
matching_roles = [x for x in all_roles
|
|
if x['id'] == trust_role['id']]
|
|
if matching_roles:
|
|
full_role = assignment.controllers.RoleV3.wrap_member(
|
|
context, matching_roles[0])['role']
|
|
trust_full_roles.append(full_role)
|
|
trust['roles'] = trust_full_roles
|
|
trust['roles_links'] = {
|
|
'self': (self.base_url() + "/%s/roles" % trust['id']),
|
|
'next': None,
|
|
'previous': None}
|
|
|
|
def _clean_role_list(self, context, trust, all_roles):
|
|
trust_roles = []
|
|
all_role_names = dict((r['name'], r) for r in all_roles)
|
|
for role in trust.get('roles', []):
|
|
if 'id' in role:
|
|
trust_roles.append({'id': role['id']})
|
|
elif 'name' in role:
|
|
rolename = role['name']
|
|
if rolename in all_role_names:
|
|
trust_roles.append({'id':
|
|
all_role_names[rolename]['id']})
|
|
else:
|
|
raise exception.RoleNotFound("role %s is not defined" %
|
|
rolename)
|
|
else:
|
|
raise exception.ValidationError(attribute='id or name',
|
|
target='roles')
|
|
return trust_roles
|
|
|
|
@controller.protected()
|
|
def create_trust(self, context, trust=None):
|
|
"""Create a new trust.
|
|
|
|
The user creating the trust must be the trustor.
|
|
|
|
"""
|
|
|
|
# TODO(ayoung): instead of raising ValidationError on the first
|
|
# problem, return a collection of all the problems.
|
|
if not trust:
|
|
raise exception.ValidationError(attribute='trust',
|
|
target='request')
|
|
try:
|
|
user_id = self._get_user_id(context)
|
|
_trustor_only(context, trust, user_id)
|
|
#confirm that the trustee exists
|
|
trustee_ref = self.identity_api.get_user(trust['trustee_user_id'])
|
|
if not trustee_ref:
|
|
raise exception.UserNotFound(user_id=trust['trustee_user_id'])
|
|
all_roles = self.assignment_api.list_roles()
|
|
clean_roles = self._clean_role_list(context, trust, all_roles)
|
|
if trust.get('project_id'):
|
|
user_role = self.assignment_api.get_roles_for_user_and_project(
|
|
user_id,
|
|
trust['project_id'])
|
|
else:
|
|
user_role = []
|
|
for trust_role in clean_roles:
|
|
matching_roles = [x for x in user_role
|
|
if x == trust_role['id']]
|
|
if not matching_roles:
|
|
raise exception.RoleNotFound(role_id=trust_role['id'])
|
|
if trust.get('expires_at') is not None:
|
|
if not trust['expires_at'].endswith('Z'):
|
|
trust['expires_at'] += 'Z'
|
|
try:
|
|
trust['expires_at'] = (timeutils.parse_isotime
|
|
(trust['expires_at']))
|
|
except ValueError:
|
|
raise exception.ValidationTimeStampError()
|
|
new_trust = self.trust_api.create_trust(
|
|
trust_id=uuid.uuid4().hex,
|
|
trust=trust,
|
|
roles=clean_roles)
|
|
self._fill_in_roles(context, new_trust, all_roles)
|
|
return TrustV3.wrap_member(context, new_trust)
|
|
except KeyError as e:
|
|
raise exception.ValidationError(attribute=e.args[0],
|
|
target='trust')
|
|
|
|
@controller.protected()
|
|
def list_trusts(self, context):
|
|
query = context['query_string']
|
|
trusts = []
|
|
if not query:
|
|
self.assert_admin(context)
|
|
trusts += self.trust_api.list_trusts()
|
|
if 'trustor_user_id' in query:
|
|
user_id = query['trustor_user_id']
|
|
calling_user_id = self._get_user_id(context)
|
|
if user_id != calling_user_id:
|
|
raise exception.Forbidden()
|
|
trusts += (self.trust_api.
|
|
list_trusts_for_trustor(user_id))
|
|
if 'trustee_user_id' in query:
|
|
user_id = query['trustee_user_id']
|
|
calling_user_id = self._get_user_id(context)
|
|
if user_id != calling_user_id:
|
|
raise exception.Forbidden()
|
|
trusts += self.trust_api.list_trusts_for_trustee(user_id)
|
|
for trust in trusts:
|
|
# get_trust returns roles, list_trusts does not
|
|
# It seems in some circumstances, roles does not
|
|
# exist in the query response, so check first
|
|
if 'roles' in trust:
|
|
del trust['roles']
|
|
if trust.get('expires_at') is not None:
|
|
trust['expires_at'] = (timeutils.isotime
|
|
(trust['expires_at'],
|
|
subsecond=True))
|
|
return TrustV3.wrap_collection(context, trusts)
|
|
|
|
@controller.protected()
|
|
def delete_trust(self, context, trust_id):
|
|
trust = self.trust_api.get_trust(trust_id)
|
|
if not trust:
|
|
raise exception.TrustNotFound(trust_id)
|
|
|
|
user_id = self._get_user_id(context)
|
|
_admin_trustor_only(context, trust, user_id)
|
|
self.trust_api.delete_trust(trust_id)
|
|
userid = trust['trustor_user_id']
|
|
self.token_api.delete_tokens(userid, trust_id=trust_id)
|
|
|
|
@controller.protected()
|
|
def list_roles_for_trust(self, context, trust_id):
|
|
trust = self.get_trust(context, trust_id)['trust']
|
|
if not trust:
|
|
raise exception.TrustNotFound(trust_id)
|
|
user_id = self._get_user_id(context)
|
|
_trustor_trustee_only(trust, user_id)
|
|
return {'roles': trust['roles'],
|
|
'links': trust['roles_links']}
|
|
|
|
@controller.protected()
|
|
def check_role_for_trust(self, context, trust_id, role_id):
|
|
"""Checks if a role has been assigned to a trust."""
|
|
trust = self.trust_api.get_trust(trust_id)
|
|
if not trust:
|
|
raise exception.TrustNotFound(trust_id)
|
|
user_id = self._get_user_id(context)
|
|
_trustor_trustee_only(trust, user_id)
|
|
matching_roles = [x for x in trust['roles']
|
|
if x['id'] == role_id]
|
|
if not matching_roles:
|
|
raise exception.RoleNotFound(role_id=role_id)
|
|
|
|
@controller.protected()
|
|
def get_role_for_trust(self, context, trust_id, role_id):
|
|
"""Checks if a role has been assigned to a trust."""
|
|
trust = self.trust_api.get_trust(trust_id)
|
|
if not trust:
|
|
raise exception.TrustNotFound(trust_id)
|
|
|
|
user_id = self._get_user_id(context)
|
|
_trustor_trustee_only(trust, user_id)
|
|
matching_roles = [x for x in trust['roles']
|
|
if x['id'] == role_id]
|
|
if not matching_roles:
|
|
raise exception.RoleNotFound(role_id=role_id)
|
|
all_roles = self.assignment_api.list_roles()
|
|
matching_roles = [x for x in all_roles if x['id'] == role_id]
|
|
if matching_roles:
|
|
full_role = (assignment.controllers.
|
|
RoleV3.wrap_member(context, matching_roles[0]))
|
|
return full_role
|
|
else:
|
|
raise exception.RoleNotFound(role_id=role_id)
|