mirror of
https://git.anonymousland.org/anonymousland/synapse-product.git
synced 2024-12-29 23:46:11 -05:00
140 lines
4.8 KiB
Python
140 lines
4.8 KiB
Python
# -*- 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 collections
|
|
import json
|
|
import logging
|
|
|
|
from twisted.internet import defer
|
|
|
|
from synapse.api import errors
|
|
import synapse.types
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class E2eKeysHandler(object):
|
|
def __init__(self, hs):
|
|
self.store = hs.get_datastore()
|
|
self.federation = hs.get_replication_layer()
|
|
self.is_mine_id = hs.is_mine_id
|
|
self.server_name = hs.hostname
|
|
|
|
# doesn't really work as part of the generic query API, because the
|
|
# query request requires an object POST, but we abuse the
|
|
# "query handler" interface.
|
|
self.federation.register_query_handler(
|
|
"client_keys", self.on_federation_query_client_keys
|
|
)
|
|
|
|
@defer.inlineCallbacks
|
|
def query_devices(self, query_body):
|
|
""" Handle a device key query from a client
|
|
|
|
{
|
|
"device_keys": {
|
|
"<user_id>": ["<device_id>"]
|
|
}
|
|
}
|
|
->
|
|
{
|
|
"device_keys": {
|
|
"<user_id>": {
|
|
"<device_id>": {
|
|
...
|
|
}
|
|
}
|
|
}
|
|
}
|
|
"""
|
|
device_keys_query = query_body.get("device_keys", {})
|
|
|
|
# separate users by domain.
|
|
# make a map from domain to user_id to device_ids
|
|
queries_by_domain = collections.defaultdict(dict)
|
|
for user_id, device_ids in device_keys_query.items():
|
|
user = synapse.types.UserID.from_string(user_id)
|
|
queries_by_domain[user.domain][user_id] = device_ids
|
|
|
|
# do the queries
|
|
# TODO: do these in parallel
|
|
results = {}
|
|
for destination, destination_query in queries_by_domain.items():
|
|
if destination == self.server_name:
|
|
res = yield self.query_local_devices(destination_query)
|
|
else:
|
|
res = yield self.federation.query_client_keys(
|
|
destination, {"device_keys": destination_query}
|
|
)
|
|
res = res["device_keys"]
|
|
for user_id, keys in res.items():
|
|
if user_id in destination_query:
|
|
results[user_id] = keys
|
|
|
|
defer.returnValue((200, {"device_keys": results}))
|
|
|
|
@defer.inlineCallbacks
|
|
def query_local_devices(self, query):
|
|
"""Get E2E device keys for local users
|
|
|
|
Args:
|
|
query (dict[string, list[string]|None): map from user_id to a list
|
|
of devices to query (None for all devices)
|
|
|
|
Returns:
|
|
defer.Deferred: (resolves to dict[string, dict[string, dict]]):
|
|
map from user_id -> device_id -> device details
|
|
"""
|
|
local_query = []
|
|
|
|
result_dict = {}
|
|
for user_id, device_ids in query.items():
|
|
if not self.is_mine_id(user_id):
|
|
logger.warning("Request for keys for non-local user %s",
|
|
user_id)
|
|
raise errors.SynapseError(400, "Not a user here")
|
|
|
|
if not device_ids:
|
|
local_query.append((user_id, None))
|
|
else:
|
|
for device_id in device_ids:
|
|
local_query.append((user_id, device_id))
|
|
|
|
# make sure that each queried user appears in the result dict
|
|
result_dict[user_id] = {}
|
|
|
|
results = yield self.store.get_e2e_device_keys(local_query)
|
|
|
|
# Build the result structure, un-jsonify the results, and add the
|
|
# "unsigned" section
|
|
for user_id, device_keys in results.items():
|
|
for device_id, device_info in device_keys.items():
|
|
r = json.loads(device_info["key_json"])
|
|
r["unsigned"] = {}
|
|
display_name = device_info["device_display_name"]
|
|
if display_name is not None:
|
|
r["unsigned"]["device_display_name"] = display_name
|
|
result_dict[user_id][device_id] = r
|
|
|
|
defer.returnValue(result_dict)
|
|
|
|
@defer.inlineCallbacks
|
|
def on_federation_query_client_keys(self, query_body):
|
|
""" Handle a device key query from a federated server
|
|
"""
|
|
device_keys_query = query_body.get("device_keys", {})
|
|
res = yield self.query_local_devices(device_keys_query)
|
|
defer.returnValue({"device_keys": res})
|