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# Copyright 2017 Vector Creations 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, Tuple
from synapse.api.constants import ReceiptTypes
from synapse.http.server import HttpServer
from synapse.http.servlet import RestServlet, parse_json_object_from_request
from synapse.http.site import SynapseRequest
from synapse.types import JsonDict
from ._base import client_patterns
if TYPE_CHECKING:
from synapse.server import HomeServer
logger = logging.getLogger(__name__)
class ReadMarkerRestServlet(RestServlet):
PATTERNS = client_patterns("/rooms/(?P<room_id>[^/]*)/read_markers$")
def __init__(self, hs: "HomeServer"):
super().__init__()
self.auth = hs.get_auth()
self.config = hs.config
self.receipts_handler = hs.get_receipts_handler()
self.read_marker_handler = hs.get_read_marker_handler()
self.presence_handler = hs.get_presence_handler()
self._known_receipt_types = {
ReceiptTypes.READ,
ReceiptTypes.FULLY_READ,
ReceiptTypes.READ_PRIVATE,
}
if hs.config.experimental.msc2285_enabled:
self._known_receipt_types.add(ReceiptTypes.UNSTABLE_READ_PRIVATE)
async def on_POST(
self, request: SynapseRequest, room_id: str
) -> Tuple[int, JsonDict]:
requester = await self.auth.get_user_by_req(request)
await self.presence_handler.bump_presence_active_time(requester.user)
body = parse_json_object_from_request(request)
unrecognized_types = set(body.keys()) - self._known_receipt_types
if unrecognized_types:
# It's fine if there are unrecognized receipt types, but let's log
# it to help debug clients that have typoed the receipt type.
#
# We specifically *don't* error here, as a) it stops us processing
# the valid receipts, and b) we need to be extensible on receipt
# types.
logger.info("Ignoring unrecognized receipt types: %s", unrecognized_types)
for receipt_type in self._known_receipt_types:
event_id = body.get(receipt_type, None)
# TODO Add validation to reject non-string event IDs.
if not event_id:
continue
if receipt_type == ReceiptTypes.FULLY_READ:
await self.read_marker_handler.received_client_read_marker(
room_id,
user_id=requester.user.to_string(),
event_id=event_id,
)
else:
await self.receipts_handler.received_client_receipt(
room_id,
receipt_type,
user_id=requester.user.to_string(),
event_id=event_id,
)
return 200, {}
def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
ReadMarkerRestServlet(hs).register(http_server)
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