diff --git a/synapse/replication/http/__init__.py b/synapse/replication/http/__init__.py
index 589ee94c66..19f214281e 100644
--- a/synapse/replication/http/__init__.py
+++ b/synapse/replication/http/__init__.py
@@ -14,7 +14,7 @@
# limitations under the License.
from synapse.http.server import JsonResource
-from synapse.replication.http import membership, send_event
+from synapse.replication.http import federation, membership, send_event
REPLICATION_PREFIX = "/_synapse/replication"
@@ -27,3 +27,4 @@ class ReplicationRestResource(JsonResource):
def register_servlets(self, hs):
send_event.register_servlets(hs, self)
membership.register_servlets(hs, self)
+ federation.register_servlets(hs, self)
diff --git a/synapse/replication/http/federation.py b/synapse/replication/http/federation.py
new file mode 100644
index 0000000000..f39aaa89be
--- /dev/null
+++ b/synapse/replication/http/federation.py
@@ -0,0 +1,245 @@
+# -*- coding: utf-8 -*-
+# Copyright 2018 New Vector 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 twisted.internet import defer
+
+from synapse.api.constants import EventTypes, Membership
+from synapse.events import FrozenEvent
+from synapse.events.snapshot import EventContext
+from synapse.http.servlet import parse_json_object_from_request
+from synapse.replication.http._base import ReplicationEndpoint
+from synapse.types import UserID
+from synapse.util.logcontext import run_in_background
+from synapse.util.metrics import Measure
+
+logger = logging.getLogger(__name__)
+
+
+class ReplicationFederationSendEventsRestServlet(ReplicationEndpoint):
+ """Handles events newly received from federation, including persisting and
+ notifying.
+
+ The API looks like:
+
+ POST /_synapse/replication/fed_send_events/:txn_id
+
+ {
+ "events": [{
+ "event": { .. serialized event .. },
+ "internal_metadata": { .. serialized internal_metadata .. },
+ "rejected_reason": .., // The event.rejected_reason field
+ "context": { .. serialized event context .. },
+ }],
+ "backfilled": false
+ """
+
+ NAME = "fed_send_events"
+ PATH_ARGS = ()
+
+ def __init__(self, hs):
+ super(ReplicationFederationSendEventsRestServlet, self).__init__(hs)
+
+ self.store = hs.get_datastore()
+ self.clock = hs.get_clock()
+ self.is_mine_id = hs.is_mine_id
+ self.notifier = hs.get_notifier()
+ self.pusher_pool = hs.get_pusherpool()
+
+ @defer.inlineCallbacks
+ @staticmethod
+ def _serialize_payload(store, event_and_contexts, backfilled):
+ """
+ Args:
+ store
+ event_and_contexts (list[tuple[FrozenEvent, EventContext]])
+ backfilled (bool): Whether or not the events are the result of
+ backfilling
+ """
+ event_payloads = []
+ for event, context in event_and_contexts:
+ serialized_context = yield context.serialize(event, store)
+
+ event_payloads.append({
+ "event": event.get_pdu_json(),
+ "internal_metadata": event.internal_metadata.get_dict(),
+ "rejected_reason": event.rejected_reason,
+ "context": serialized_context,
+ })
+
+ payload = {
+ "events": event_payloads,
+ "backfilled": backfilled,
+ }
+
+ defer.returnValue(payload)
+
+ @defer.inlineCallbacks
+ def _handle_request(self, request):
+ with Measure(self.clock, "repl_fed_send_events_parse"):
+ content = parse_json_object_from_request(request)
+
+ backfilled = content["backfilled"]
+
+ event_payloads = content["events"]
+
+ event_and_contexts = []
+ for event_payload in event_payloads:
+ event_dict = event_payload["event"]
+ internal_metadata = event_payload["internal_metadata"]
+ rejected_reason = event_payload["rejected_reason"]
+ event = FrozenEvent(event_dict, internal_metadata, rejected_reason)
+
+ context = yield EventContext.deserialize(
+ self.store, event_payload["context"],
+ )
+
+ event_and_contexts.append((event, context))
+
+ logger.info(
+ "Got %d events from federation",
+ len(event_and_contexts),
+ )
+
+ max_stream_id = yield self.store.persist_events(
+ event_and_contexts,
+ backfilled=backfilled
+ )
+
+ if not backfilled:
+ for event, _ in event_and_contexts:
+ self._notify_persisted_event(event, max_stream_id)
+
+ defer.returnValue((200, {}))
+
+ def _notify_persisted_event(self, event, max_stream_id):
+ extra_users = []
+ if event.type == EventTypes.Member:
+ target_user_id = event.state_key
+
+ # We notify for memberships if its an invite for one of our
+ # users
+ if event.internal_metadata.is_outlier():
+ if event.membership != Membership.INVITE:
+ if not self.is_mine_id(target_user_id):
+ return
+
+ target_user = UserID.from_string(target_user_id)
+ extra_users.append(target_user)
+ elif event.internal_metadata.is_outlier():
+ return
+
+ event_stream_id = event.internal_metadata.stream_ordering
+ self.notifier.on_new_room_event(
+ event, event_stream_id, max_stream_id,
+ extra_users=extra_users
+ )
+
+ run_in_background(
+ self.pusher_pool.on_new_notifications,
+ event_stream_id, max_stream_id,
+ )
+
+
+class ReplicationFederationSendEduRestServlet(ReplicationEndpoint):
+ """Handles EDUs newly received from federation, including persisting and
+ notifying.
+ """
+
+ NAME = "fed_send_edu"
+ PATH_ARGS = ("edu_type",)
+
+ def __init__(self, hs):
+ super(ReplicationFederationSendEduRestServlet, self).__init__(hs)
+
+ self.store = hs.get_datastore()
+ self.clock = hs.get_clock()
+ self.registry = hs.get_federation_registry()
+
+ @staticmethod
+ def _serialize_payload(edu_type, origin, content):
+ return {
+ "origin": origin,
+ "content": content,
+ }
+
+ @defer.inlineCallbacks
+ def _handle_request(self, request, edu_type):
+ with Measure(self.clock, "repl_fed_send_edu_parse"):
+ content = parse_json_object_from_request(request)
+
+ origin = content["origin"]
+ edu_content = content["content"]
+
+ logger.info(
+ "Got %r edu from $s",
+ edu_type, origin,
+ )
+
+ result = yield self.registry.on_edu(edu_type, origin, edu_content)
+
+ defer.returnValue((200, result))
+
+
+class ReplicationGetQueryRestServlet(ReplicationEndpoint):
+ """Handle responding to queries from federation.
+ """
+
+ NAME = "fed_query"
+ PATH_ARGS = ("query_type",)
+
+ # This is a query, so let's not bother caching
+ CACHE = False
+
+ def __init__(self, hs):
+ super(ReplicationGetQueryRestServlet, self).__init__(hs)
+
+ self.store = hs.get_datastore()
+ self.clock = hs.get_clock()
+ self.registry = hs.get_federation_registry()
+
+ @staticmethod
+ def _serialize_payload(query_type, args):
+ """
+ Args:
+ query_type (str)
+ args (dict): The arguments received for the given query type
+ """
+ return {
+ "args": args,
+ }
+
+ @defer.inlineCallbacks
+ def _handle_request(self, request, query_type):
+ with Measure(self.clock, "repl_fed_query_parse"):
+ content = parse_json_object_from_request(request)
+
+ args = content["args"]
+
+ logger.info(
+ "Got %r query",
+ query_type,
+ )
+
+ result = yield self.registry.on_query(query_type, args)
+
+ defer.returnValue((200, result))
+
+
+def register_servlets(hs, http_server):
+ ReplicationFederationSendEventsRestServlet(hs).register(http_server)
+ ReplicationFederationSendEduRestServlet(hs).register(http_server)
+ ReplicationGetQueryRestServlet(hs).register(http_server)
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