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# Copyright 2015, 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 logging
from typing import TYPE_CHECKING, Tuple
from synapse.api.constants import ReceiptTypes
from synapse.api.errors import Codes, SynapseError
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 ReceiptRestServlet(RestServlet):
PATTERNS = client_patterns(
"/rooms/(?P<room_id>[^/]*)"
"/receipt/(?P<receipt_type>[^/]*)"
"/(?P<event_id>[^/]*)$"
)
def __init__(self, hs: "HomeServer"):
super().__init__()
self.auth = hs.get_auth()
self.receipts_handler = hs.get_receipts_handler()
self.read_marker_handler = hs.get_read_marker_handler()
self.presence_handler = hs.get_presence_handler()
self._main_store = hs.get_datastores().main
self._known_receipt_types = {
ReceiptTypes.READ,
ReceiptTypes.READ_PRIVATE,
ReceiptTypes.FULLY_READ,
}
self._msc3771_enabled = hs.config.experimental.msc3771_enabled
async def on_POST(
self, request: SynapseRequest, room_id: str, receipt_type: str, event_id: str
) -> Tuple[int, JsonDict]:
requester = await self.auth.get_user_by_req(request)
if receipt_type not in self._known_receipt_types:
raise SynapseError(
400,
f"Receipt type must be {', '.join(self._known_receipt_types)}",
)
body = parse_json_object_from_request(request)
# Pull the thread ID, if one exists.
thread_id = None
if self._msc3771_enabled:
if "thread_id" in body:
thread_id = body.get("thread_id")
if not thread_id or not isinstance(thread_id, str):
raise SynapseError(
400,
"thread_id field must be a non-empty string",
Codes.INVALID_PARAM,
)
if receipt_type == ReceiptTypes.FULLY_READ:
raise SynapseError(
400,
f"thread_id is not compatible with {ReceiptTypes.FULLY_READ} receipts.",
Codes.INVALID_PARAM,
)
# Ensure the event ID roughly correlates to the thread ID.
if thread_id != await self._main_store.get_thread_id(event_id):
raise SynapseError(
400,
f"event_id {event_id} is not related to thread {thread_id}",
Codes.INVALID_PARAM,
)
await self.presence_handler.bump_presence_active_time(requester.user)
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,
thread_id=thread_id,
)
return 200, {}
def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
ReceiptRestServlet(hs).register(http_server)
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