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3e99528f2b
When we get an invite over federation, store the room version in the rooms table. The general idea here is that, when we pull the invite out again, we'll want to know what room_version it belongs to (so that we can later redact it if need be). So we need to store it somewhere...
280 lines
8.3 KiB
Python
280 lines
8.3 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2018 New Vector Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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from twisted.internet import defer
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from synapse.api.room_versions import KNOWN_ROOM_VERSIONS
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from synapse.events import event_type_from_format_version
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from synapse.events.snapshot import EventContext
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from synapse.http.servlet import parse_json_object_from_request
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from synapse.replication.http._base import ReplicationEndpoint
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from synapse.util.metrics import Measure
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logger = logging.getLogger(__name__)
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class ReplicationFederationSendEventsRestServlet(ReplicationEndpoint):
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"""Handles events newly received from federation, including persisting and
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notifying.
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The API looks like:
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POST /_synapse/replication/fed_send_events/:txn_id
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{
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"events": [{
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"event": { .. serialized event .. },
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"internal_metadata": { .. serialized internal_metadata .. },
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"rejected_reason": .., // The event.rejected_reason field
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"context": { .. serialized event context .. },
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}],
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"backfilled": false
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"""
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NAME = "fed_send_events"
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PATH_ARGS = ()
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def __init__(self, hs):
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super(ReplicationFederationSendEventsRestServlet, self).__init__(hs)
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self.store = hs.get_datastore()
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self.storage = hs.get_storage()
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self.clock = hs.get_clock()
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self.federation_handler = hs.get_handlers().federation_handler
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@staticmethod
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@defer.inlineCallbacks
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def _serialize_payload(store, event_and_contexts, backfilled):
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"""
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Args:
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store
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event_and_contexts (list[tuple[FrozenEvent, EventContext]])
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backfilled (bool): Whether or not the events are the result of
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backfilling
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"""
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event_payloads = []
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for event, context in event_and_contexts:
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serialized_context = yield context.serialize(event, store)
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event_payloads.append(
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{
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"event": event.get_pdu_json(),
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"event_format_version": event.format_version,
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"internal_metadata": event.internal_metadata.get_dict(),
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"rejected_reason": event.rejected_reason,
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"context": serialized_context,
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}
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)
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payload = {"events": event_payloads, "backfilled": backfilled}
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return payload
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async def _handle_request(self, request):
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with Measure(self.clock, "repl_fed_send_events_parse"):
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content = parse_json_object_from_request(request)
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backfilled = content["backfilled"]
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event_payloads = content["events"]
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event_and_contexts = []
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for event_payload in event_payloads:
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event_dict = event_payload["event"]
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format_ver = event_payload["event_format_version"]
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internal_metadata = event_payload["internal_metadata"]
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rejected_reason = event_payload["rejected_reason"]
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EventType = event_type_from_format_version(format_ver)
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event = EventType(event_dict, internal_metadata, rejected_reason)
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context = EventContext.deserialize(
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self.storage, event_payload["context"]
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)
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event_and_contexts.append((event, context))
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logger.info("Got %d events from federation", len(event_and_contexts))
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await self.federation_handler.persist_events_and_notify(
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event_and_contexts, backfilled
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)
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return 200, {}
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class ReplicationFederationSendEduRestServlet(ReplicationEndpoint):
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"""Handles EDUs newly received from federation, including persisting and
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notifying.
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Request format:
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POST /_synapse/replication/fed_send_edu/:edu_type/:txn_id
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{
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"origin": ...,
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"content: { ... }
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}
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"""
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NAME = "fed_send_edu"
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PATH_ARGS = ("edu_type",)
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def __init__(self, hs):
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super(ReplicationFederationSendEduRestServlet, self).__init__(hs)
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self.store = hs.get_datastore()
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self.clock = hs.get_clock()
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self.registry = hs.get_federation_registry()
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@staticmethod
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def _serialize_payload(edu_type, origin, content):
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return {"origin": origin, "content": content}
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async def _handle_request(self, request, edu_type):
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with Measure(self.clock, "repl_fed_send_edu_parse"):
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content = parse_json_object_from_request(request)
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origin = content["origin"]
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edu_content = content["content"]
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logger.info("Got %r edu from %s", edu_type, origin)
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result = await self.registry.on_edu(edu_type, origin, edu_content)
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return 200, result
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class ReplicationGetQueryRestServlet(ReplicationEndpoint):
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"""Handle responding to queries from federation.
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Request format:
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POST /_synapse/replication/fed_query/:query_type
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{
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"args": { ... }
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}
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"""
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NAME = "fed_query"
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PATH_ARGS = ("query_type",)
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# This is a query, so let's not bother caching
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CACHE = False
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def __init__(self, hs):
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super(ReplicationGetQueryRestServlet, self).__init__(hs)
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self.store = hs.get_datastore()
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self.clock = hs.get_clock()
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self.registry = hs.get_federation_registry()
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@staticmethod
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def _serialize_payload(query_type, args):
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"""
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Args:
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query_type (str)
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args (dict): The arguments received for the given query type
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"""
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return {"args": args}
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async def _handle_request(self, request, query_type):
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with Measure(self.clock, "repl_fed_query_parse"):
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content = parse_json_object_from_request(request)
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args = content["args"]
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logger.info("Got %r query", query_type)
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result = await self.registry.on_query(query_type, args)
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return 200, result
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class ReplicationCleanRoomRestServlet(ReplicationEndpoint):
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"""Called to clean up any data in DB for a given room, ready for the
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server to join the room.
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Request format:
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POST /_synapse/replication/fed_cleanup_room/:room_id/:txn_id
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{}
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"""
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NAME = "fed_cleanup_room"
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PATH_ARGS = ("room_id",)
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def __init__(self, hs):
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super(ReplicationCleanRoomRestServlet, self).__init__(hs)
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self.store = hs.get_datastore()
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@staticmethod
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def _serialize_payload(room_id, args):
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"""
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Args:
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room_id (str)
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"""
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return {}
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async def _handle_request(self, request, room_id):
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await self.store.clean_room_for_join(room_id)
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return 200, {}
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class ReplicationStoreRoomOnInviteRestServlet(ReplicationEndpoint):
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"""Called to clean up any data in DB for a given room, ready for the
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server to join the room.
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Request format:
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POST /_synapse/replication/store_room_on_invite/:room_id/:txn_id
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{
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"room_version": "1",
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}
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"""
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NAME = "store_room_on_invite"
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PATH_ARGS = ("room_id",)
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def __init__(self, hs):
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super().__init__(hs)
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self.store = hs.get_datastore()
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@staticmethod
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def _serialize_payload(room_id, room_version):
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return {"room_version": room_version.identifier}
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async def _handle_request(self, request, room_id):
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content = parse_json_object_from_request(request)
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room_version = KNOWN_ROOM_VERSIONS[content["room_version"]]
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await self.store.maybe_store_room_on_invite(room_id, room_version)
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return 200, {}
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def register_servlets(hs, http_server):
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ReplicationFederationSendEventsRestServlet(hs).register(http_server)
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ReplicationFederationSendEduRestServlet(hs).register(http_server)
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ReplicationGetQueryRestServlet(hs).register(http_server)
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ReplicationCleanRoomRestServlet(hs).register(http_server)
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ReplicationStoreRoomOnInviteRestServlet(hs).register(http_server)
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