115 lines
4.2 KiB
Python
115 lines
4.2 KiB
Python
#!/usr/bin/env python
|
|
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
|
|
# Copyright (c) 2012 OpenStack Foundation
|
|
# 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.
|
|
|
|
"""Auth Components for Consoles."""
|
|
|
|
import time
|
|
|
|
from oslo.config import cfg
|
|
|
|
from nova.compute import rpcapi as compute_rpcapi
|
|
from nova.conductor import api as conductor_api
|
|
from nova import manager
|
|
from nova.openstack.common import jsonutils
|
|
from nova.openstack.common import log as logging
|
|
from nova.openstack.common import memorycache
|
|
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
consoleauth_opts = [
|
|
cfg.IntOpt('console_token_ttl',
|
|
default=600,
|
|
help='How many seconds before deleting tokens'),
|
|
cfg.StrOpt('consoleauth_manager',
|
|
default='nova.consoleauth.manager.ConsoleAuthManager',
|
|
help='Manager for console auth'),
|
|
]
|
|
|
|
CONF = cfg.CONF
|
|
CONF.register_opts(consoleauth_opts)
|
|
|
|
|
|
class ConsoleAuthManager(manager.Manager):
|
|
"""Manages token based authentication."""
|
|
|
|
RPC_API_VERSION = '1.2'
|
|
|
|
def __init__(self, scheduler_driver=None, *args, **kwargs):
|
|
super(ConsoleAuthManager, self).__init__(*args, **kwargs)
|
|
self.mc = memorycache.get_client()
|
|
self.compute_rpcapi = compute_rpcapi.ComputeAPI()
|
|
self.conductor_api = conductor_api.API()
|
|
|
|
def _get_tokens_for_instance(self, instance_uuid):
|
|
tokens_str = self.mc.get(instance_uuid.encode('UTF-8'))
|
|
if not tokens_str:
|
|
tokens = []
|
|
else:
|
|
tokens = jsonutils.loads(tokens_str)
|
|
return tokens
|
|
|
|
def authorize_console(self, context, token, console_type, host, port,
|
|
internal_access_path, instance_uuid=None):
|
|
|
|
token_dict = {'token': token,
|
|
'instance_uuid': instance_uuid,
|
|
'console_type': console_type,
|
|
'host': host,
|
|
'port': port,
|
|
'internal_access_path': internal_access_path,
|
|
'last_activity_at': time.time()}
|
|
data = jsonutils.dumps(token_dict)
|
|
self.mc.set(token.encode('UTF-8'), data, CONF.console_token_ttl)
|
|
if instance_uuid is not None:
|
|
tokens = self._get_tokens_for_instance(instance_uuid)
|
|
tokens.append(token)
|
|
self.mc.set(instance_uuid.encode('UTF-8'),
|
|
jsonutils.dumps(tokens))
|
|
|
|
LOG.audit(_("Received Token: %(token)s, %(token_dict)s)"), locals())
|
|
|
|
def _validate_token(self, context, token):
|
|
instance_uuid = token['instance_uuid']
|
|
if instance_uuid is None:
|
|
return False
|
|
instance = self.conductor_api.instance_get_by_uuid(context,
|
|
instance_uuid)
|
|
return self.compute_rpcapi.validate_console_port(context,
|
|
instance,
|
|
token['port'],
|
|
token['console_type'])
|
|
|
|
def check_token(self, context, token):
|
|
token_str = self.mc.get(token.encode('UTF-8'))
|
|
token_valid = (token_str is not None)
|
|
LOG.audit(_("Checking Token: %(token)s, %(token_valid)s)"), locals())
|
|
if token_valid:
|
|
token = jsonutils.loads(token_str)
|
|
if self._validate_token(context, token):
|
|
return token
|
|
|
|
def delete_tokens_for_instance(self, context, instance_uuid):
|
|
tokens = self._get_tokens_for_instance(instance_uuid)
|
|
for token in tokens:
|
|
self.mc.delete(token)
|
|
self.mc.delete(instance_uuid.encode('UTF-8'))
|
|
|
|
def get_backdoor_port(self, context):
|
|
return self.backdoor_port
|