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# -*- coding: utf-8 -*-
# Copyright 2017 New Vector Ltd
#
# 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.
from twisted.internet import defer
from synapse.util.caches.descriptors import cached
from canonicaljson import encode_canonical_json
import ujson as json
from ._base import SQLBaseStore
class EndToEndRoomKeyStore(SQLBaseStore):
@defer.inlineCallbacks
def get_e2e_room_key(self, user_id, version, room_id, session_id):
row = yield self._simple_select_one(
table="e2e_room_keys",
keyvalues={
"user_id": user_id,
"version": version,
"room_id": room_id,
"session_id": session_id,
},
retcols=(
"first_message_index",
"forwarded_count",
"is_verified",
"session_data",
),
desc="get_e2e_room_key",
)
defer.returnValue(row);
def set_e2e_room_key(self, user_id, version, room_id, session_id, room_key):
def _set_e2e_room_key_txn(txn):
self._simple_upsert(
txn,
table="e2e_room_keys",
keyvalues={
"user_id": user_id,
"room_id": room_id,
"session_id": session_id,
}
values=[
{
"version": version,
"first_message_index": room_key['first_message_index'],
"forwarded_count": room_key['forwarded_count'],
"is_verified": room_key['is_verified'],
"session_data": room_key['session_data'],
}
],
lock=False,
)
return True
return self.runInteraction(
"set_e2e_room_key", _set_e2e_room_key_txn
)
# XXX: this isn't currently used and isn't tested anywhere
# it could be used in future for bulk-uploading new versions of room_keys
# for a user or something though.
def set_e2e_room_keys(self, user_id, version, room_keys):
def _set_e2e_room_keys_txn(txn):
self._simple_insert_many_txn(
txn,
table="e2e_room_keys",
values=[
{
"user_id": user_id,
"room_id": room_id,
"session_id": session_id,
"version": version,
"first_message_index": room_keys['rooms'][room_id]['sessions'][session_id]['first_message_index'],
"forwarded_count": room_keys['rooms'][room_id]['sessions'][session_id]['forwarded_count'],
"is_verified": room_keys['rooms'][room_id]['sessions'][session_id]['is_verified'],
"session_data": room_keys['rooms'][room_id]['sessions'][session_id]['session_data'],
}
for session_id in room_keys['rooms'][room_id]['sessions']
for room_id in room_keys['rooms']
]
)
return True
return self.runInteraction(
"set_e2e_room_keys", _set_e2e_room_keys_txn
)
@defer.inlineCallbacks
def get_e2e_room_keys(self, user_id, version, room_id, session_id):
keyvalues={
"user_id": user_id,
"version": version,
}
if room_id: keyvalues['room_id'] = room_id
if session_id: keyvalues['session_id'] = session_id
rows = yield self._simple_select_list(
table="e2e_room_keys",
keyvalues=keyvalues,
retcols=(
"first_message_index",
"forwarded_count",
"is_verified",
"session_data",
),
desc="get_e2e_room_keys",
)
sessions = {}
sessions['rooms'][roomId]['sessions'][session_id] = row for row in rows;
defer.returnValue(sessions);
@defer.inlineCallbacks
def delete_e2e_room_keys(self, user_id, version, room_id, session_id):
keyvalues={
"user_id": user_id,
"version": version,
}
if room_id: keyvalues['room_id'] = room_id
if session_id: keyvalues['session_id'] = session_id
yield self._simple_delete(
table="e2e_room_keys",
keyvalues=keyvalues,
desc="delete_e2e_room_keys",
)
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