diff --git a/synapse/rest/client/read_marker.py b/synapse/rest/client/read_marker.py
new file mode 100644
index 0000000000..027f8b81fa
--- /dev/null
+++ b/synapse/rest/client/read_marker.py
@@ -0,0 +1,74 @@
+# 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 synapse.api.constants import ReadReceiptEventFields
+from synapse.api.errors import Codes, SynapseError
+from synapse.http.servlet import RestServlet, parse_json_object_from_request
+
+from ._base import client_patterns
+
+logger = logging.getLogger(__name__)
+
+
+class ReadMarkerRestServlet(RestServlet):
+ PATTERNS = client_patterns("/rooms/(?P<room_id>[^/]*)/read_markers$")
+
+ def __init__(self, hs):
+ 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()
+
+ async def on_POST(self, request, room_id):
+ 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)
+ read_event_id = body.get("m.read", None)
+ hidden = body.get(ReadReceiptEventFields.MSC2285_HIDDEN, False)
+
+ if not isinstance(hidden, bool):
+ raise SynapseError(
+ 400,
+ "Param %s must be a boolean, if given"
+ % ReadReceiptEventFields.MSC2285_HIDDEN,
+ Codes.BAD_JSON,
+ )
+
+ if read_event_id:
+ await self.receipts_handler.received_client_receipt(
+ room_id,
+ "m.read",
+ user_id=requester.user.to_string(),
+ event_id=read_event_id,
+ hidden=hidden,
+ )
+
+ read_marker_event_id = body.get("m.fully_read", None)
+ if read_marker_event_id:
+ await self.read_marker_handler.received_client_read_marker(
+ room_id,
+ user_id=requester.user.to_string(),
+ event_id=read_marker_event_id,
+ )
+
+ return 200, {}
+
+
+def register_servlets(hs, http_server):
+ ReadMarkerRestServlet(hs).register(http_server)
|