blob: b2761849205d802186c5c55ef94adce16ba4fd1b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
#
# Copyright (c) 2015 ThoughtWorks, Inc.
#
# Pixelated is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Pixelated is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with Pixelated. If not, see <http://www.gnu.org/licenses/>.
import base64
from twisted.internet import defer
import os
class SearchIndexStorageKey(object):
__slots__ = '_soledad'
def __init__(self, soledad):
self._soledad = soledad
@defer.inlineCallbacks
def get_or_create_key(self):
docs = yield self._soledad.get_from_index('by-type', 'index_key')
if len(docs):
key = docs[0].content['value']
else:
key = self._new_index_key()
yield self._store_key_in_soledad(key)
defer.returnValue(key)
def _new_index_key(self):
return os.urandom(64) # 32 for encryption, 32 for hmac
def _store_key_in_soledad(self, index_key):
return self._soledad.create_doc(dict(type='index_key', value=base64.encodestring(index_key)))
|
