Fix deleting pushers when using sharded pushers. (#9465)

synapse/replication/http/push.py

@@ -0,0 +1,72 @@
+# -*- coding: utf-8 -*-
+# Copyright 2021 The Matrix.org Foundation C.I.C.
+#
+# 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
+
+from synapse.http.servlet import parse_json_object_from_request
+from synapse.replication.http._base import ReplicationEndpoint
+
+if TYPE_CHECKING:
+    from synapse.server import HomeServer
+
+logger = logging.getLogger(__name__)
+
+
+class ReplicationRemovePusherRestServlet(ReplicationEndpoint):
+    """Deletes the given pusher.
+
+    Request format:
+
+        POST /_synapse/replication/remove_pusher/:user_id
+
+        {
+            "app_id": "<some_id>",
+            "pushkey": "<some_key>"
+        }
+
+    """
+
+    NAME = "add_user_account_data"
+    PATH_ARGS = ("user_id",)
+    CACHE = False
+
+    def __init__(self, hs: "HomeServer"):
+        super().__init__(hs)
+
+        self.pusher_pool = hs.get_pusherpool()
+
+    @staticmethod
+    async def _serialize_payload(app_id, pushkey, user_id):
+        payload = {
+            "app_id": app_id,
+            "pushkey": pushkey,
+        }
+
+        return payload
+
+    async def _handle_request(self, request, user_id):
+        content = parse_json_object_from_request(request)
+
+        app_id = content["app_id"]
+        pushkey = content["pushkey"]
+
+        await self.pusher_pool.remove_pusher(app_id, pushkey, user_id)
+
+        return 200, {}
+
+
+def register_servlets(hs, http_server):
+    ReplicationRemovePusherRestServlet(hs).register(http_server)