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# Copyright 2018 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.
import logging
from typing import TYPE_CHECKING, Dict, List, Optional, Tuple
from twisted.web.server import Request
from synapse.http.server import HttpServer
from synapse.logging.opentracing import active_span
from synapse.replication.http._base import ReplicationEndpoint
from synapse.types import JsonDict
if TYPE_CHECKING:
from synapse.server import HomeServer
logger = logging.getLogger(__name__)
class ReplicationUserDevicesResyncRestServlet(ReplicationEndpoint):
"""Ask master to resync the device list for a user by contacting their
server.
This must happen on master so that the results can be correctly cached in
the database and streamed to workers.
Request format:
POST /_synapse/replication/user_device_resync/:user_id
{}
Response is equivalent to ` /_matrix/federation/v1/user/devices/:user_id`
response, e.g.:
{
"user_id": "@alice:example.org",
"devices": [
{
"device_id": "JLAFKJWSCS",
"keys": { ... },
"device_display_name": "Alice's Mobile Phone"
}
]
}
"""
NAME = "user_device_resync"
PATH_ARGS = ("user_id",)
CACHE = False
def __init__(self, hs: "HomeServer"):
super().__init__(hs)
from synapse.handlers.device import DeviceHandler
handler = hs.get_device_handler()
assert isinstance(handler, DeviceHandler)
self.device_list_updater = handler.device_list_updater
self.store = hs.get_datastores().main
self.clock = hs.get_clock()
@staticmethod
async def _serialize_payload(user_id: str) -> JsonDict: # type: ignore[override]
return {}
async def _handle_request( # type: ignore[override]
self, request: Request, content: JsonDict, user_id: str
) -> Tuple[int, Optional[JsonDict]]:
user_devices = await self.device_list_updater.user_device_resync(user_id)
return 200, user_devices
class ReplicationMultiUserDevicesResyncRestServlet(ReplicationEndpoint):
"""Ask master to resync the device list for multiple users from the same
remote server by contacting their server.
This must happen on master so that the results can be correctly cached in
the database and streamed to workers.
Request format:
POST /_synapse/replication/multi_user_device_resync
{
"user_ids": ["@alice:example.org", "@bob:example.org", ...]
}
Response is roughly equivalent to ` /_matrix/federation/v1/user/devices/:user_id`
response, but there is a map from user ID to response, e.g.:
{
"@alice:example.org": {
"devices": [
{
"device_id": "JLAFKJWSCS",
"keys": { ... },
"device_display_name": "Alice's Mobile Phone"
}
]
},
...
}
"""
NAME = "multi_user_device_resync"
PATH_ARGS = ()
CACHE = False
def __init__(self, hs: "HomeServer"):
super().__init__(hs)
from synapse.handlers.device import DeviceHandler
handler = hs.get_device_handler()
assert isinstance(handler, DeviceHandler)
self.device_list_updater = handler.device_list_updater
self.store = hs.get_datastores().main
self.clock = hs.get_clock()
@staticmethod
async def _serialize_payload(user_ids: List[str]) -> JsonDict: # type: ignore[override]
return {"user_ids": user_ids}
async def _handle_request( # type: ignore[override]
self, request: Request, content: JsonDict
) -> Tuple[int, Dict[str, Optional[JsonDict]]]:
user_ids: List[str] = content["user_ids"]
logger.info("Resync for %r", user_ids)
span = active_span()
if span:
span.set_tag("user_ids", f"{user_ids!r}")
multi_user_devices = await self.device_list_updater.multi_user_device_resync(
user_ids
)
return 200, multi_user_devices
class ReplicationUploadKeysForUserRestServlet(ReplicationEndpoint):
"""Ask master to upload keys for the user and send them out over federation to
update other servers.
For now, only the master is permitted to handle key upload requests;
any worker can handle key query requests (since they're read-only).
Calls to e2e_keys_handler.upload_keys_for_user(user_id, device_id, keys) on
the main process to accomplish this.
Defined in https://spec.matrix.org/v1.4/client-server-api/#post_matrixclientv3keysupload
Request format(borrowed and expanded from KeyUploadServlet):
POST /_synapse/replication/upload_keys_for_user
{
"user_id": "<user_id>",
"device_id": "<device_id>",
"keys": {
....this part can be found in KeyUploadServlet in rest/client/keys.py....
}
}
Response is equivalent to ` /_matrix/client/v3/keys/upload` found in KeyUploadServlet
"""
NAME = "upload_keys_for_user"
PATH_ARGS = ()
CACHE = False
def __init__(self, hs: "HomeServer"):
super().__init__(hs)
self.e2e_keys_handler = hs.get_e2e_keys_handler()
self.store = hs.get_datastores().main
self.clock = hs.get_clock()
@staticmethod
async def _serialize_payload( # type: ignore[override]
user_id: str, device_id: str, keys: JsonDict
) -> JsonDict:
return {
"user_id": user_id,
"device_id": device_id,
"keys": keys,
}
async def _handle_request( # type: ignore[override]
self, request: Request, content: JsonDict
) -> Tuple[int, JsonDict]:
user_id = content["user_id"]
device_id = content["device_id"]
keys = content["keys"]
results = await self.e2e_keys_handler.upload_keys_for_user(
user_id, device_id, keys
)
return 200, results
def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
ReplicationUserDevicesResyncRestServlet(hs).register(http_server)
ReplicationMultiUserDevicesResyncRestServlet(hs).register(http_server)
ReplicationUploadKeysForUserRestServlet(hs).register(http_server)
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