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# -*- coding: utf-8 -*-
# Copyright 2016 OpenMarket 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.
import json
import logging
from twisted.internet import defer
import synapse.types
from ._base import BaseHandler
logger = logging.getLogger(__name__)
class E2eKeysHandler(BaseHandler):
def __init__(self, hs):
super(E2eKeysHandler, self).__init__(hs)
self.store = hs.get_datastore()
self.federation = hs.get_replication_layer()
self.is_mine = hs.is_mine
@defer.inlineCallbacks
def query_devices(self, query_body):
local_query = []
remote_queries = {}
for user_id, device_ids in query_body.get("device_keys", {}).items():
user = synapse.types.UserID.from_string(user_id)
if self.is_mine(user):
if not device_ids:
local_query.append((user_id, None))
else:
for device_id in device_ids:
local_query.append((user_id, device_id))
else:
remote_queries.setdefault(user.domain, {})[user_id] = list(
device_ids
)
results = yield self.store.get_e2e_device_keys(local_query)
json_result = {}
for user_id, device_keys in results.items():
for device_id, json_bytes in device_keys.items():
json_result.setdefault(user_id, {})[
device_id] = json.loads(
json_bytes
)
for destination, device_keys in remote_queries.items():
remote_result = yield self.federation.query_client_keys(
destination, {"device_keys": device_keys}
)
for user_id, keys in remote_result["device_keys"].items():
if user_id in device_keys:
json_result[user_id] = keys
defer.returnValue((200, {"device_keys": json_result}))
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