keystone/keystone/token/core.py

83 lines
2.0 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
"""Main entry point into the Token service."""
import datetime
from keystone import config
from keystone.common import manager
CONF = config.CONF
config.register_int('expiration', group='token', default=86400)
class Manager(manager.Manager):
"""Default pivot point for the Token backend.
See :mod:`keystone.common.manager.Manager` for more details on how this
dynamically calls the backend.
"""
def __init__(self):
super(Manager, self).__init__(CONF.token.driver)
class Driver(object):
"""Interface description for a Token driver."""
def get_token(self, token_id):
"""Get a token by id.
:param token_id: identity of the token
:type token_id: string
:returns: token_ref
:raises: keystone.exception.TokenNotFound
"""
raise NotImplementedError()
def create_token(self, token_id, data):
"""Create a token by id and data.
:param token_id: identity of the token
:type token_id: string
:param data: dictionary with additional reference information
::
{
expires=''
id=token_id,
user=user_ref,
tenant=tenant_ref,
metadata=metadata_ref
}
:type data: dict
:returns: token_ref or None.
"""
raise NotImplementedError()
def delete_token(self, token_id):
"""Deletes a token by id.
:param token_id: identity of the token
:type token_id: string
:returns: None.
:raises: keystone.exception.TokenNotFound
"""
raise NotImplementedError()
def _get_default_expire_time(self):
"""Determine when a token should expire based on the config.
:returns: datetime.datetime object
"""
expire_delta = datetime.timedelta(seconds=CONF.token.expiration)
return datetime.datetime.now() + expire_delta