59 lines
1.7 KiB
Python
59 lines
1.7 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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from __future__ import absolute_import
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import copy
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import memcache
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from keystone import config
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from keystone import exception
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from keystone import token
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from keystone.common import utils
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CONF = config.CONF
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config.register_str('servers', group='memcache', default='localhost:11211')
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class Token(token.Driver):
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def __init__(self, client=None):
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self._memcache_client = client
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@property
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def client(self):
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return self._memcache_client or self._get_memcache_client()
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def _get_memcache_client(self):
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memcache_servers = CONF.memcache.servers.split(',')
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self._memcache_client = memcache.Client(memcache_servers, debug=0)
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return self._memcache_client
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def _prefix_token_id(self, token_id):
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return 'token-%s' % token_id.encode('utf-8')
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def get_token(self, token_id):
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ptk = self._prefix_token_id(token_id)
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token = self.client.get(ptk)
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if token is None:
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raise exception.TokenNotFound(token_id=token_id)
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return token
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def create_token(self, token_id, data):
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data_copy = copy.deepcopy(data)
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ptk = self._prefix_token_id(token_id)
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if 'expires' not in data_copy:
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data_copy['expires'] = self._get_default_expire_time()
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kwargs = {}
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if data_copy['expires'] is not None:
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expires_ts = utils.unixtime(data_copy['expires'])
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kwargs['time'] = expires_ts
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self.client.set(ptk, data_copy, **kwargs)
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return copy.deepcopy(data_copy)
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def delete_token(self, token_id):
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# Test for existence
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self.get_token(token_id)
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ptk = self._prefix_token_id(token_id)
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return self.client.delete(ptk)
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