From 7c288c22500e2045d36a29c38d2671fad6484e30 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Wed, 23 Jan 2019 20:05:44 +0000 Subject: [PATCH] Clarify the invite flows --- synapse/events/__init__.py | 8 ++++++-- synapse/handlers/federation.py | 12 +++++++++++- synapse/storage/roommember.py | 11 +++++++---- 3 files changed, 24 insertions(+), 7 deletions(-) diff --git a/synapse/events/__init__.py b/synapse/events/__init__.py index 84c75495d..5030636c7 100644 --- a/synapse/events/__init__.py +++ b/synapse/events/__init__.py @@ -41,8 +41,12 @@ class _EventInternalMetadata(object): def is_outlier(self): return getattr(self, "outlier", False) - def is_invite_from_remote(self): - return getattr(self, "invite_from_remote", False) + def is_new_remote_event(self): + """Whether this is a new remote event, like an invite or an invite + rejection. This is needed as those events are marked as outliers, but + they still need to be processed. + """ + return getattr(self, "new_remote_event", False) def get_send_on_behalf_of(self): """Whether this server should send the event on behalf of another server. diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index 9a14ba451..e017cab77 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -43,6 +43,7 @@ from synapse.api.errors import ( StoreError, SynapseError, ) +from synapse.crypto.event_signing import compute_event_signature from synapse.events.validator import EventValidator from synapse.replication.http.federation import ( ReplicationCleanRoomRestServlet, @@ -1283,7 +1284,15 @@ class FederationHandler(BaseHandler): ) event.internal_metadata.outlier = True - event.internal_metadata.invite_from_remote = True + event.internal_metadata.new_remote_event = True + + event.signatures.update( + compute_event_signature( + event, + self.hs.hostname, + self.hs.config.signing_key[0] + ) + ) context = yield self.state_handler.compute_event_context(event) yield self.persist_events_and_notify([(event, context)]) @@ -1301,6 +1310,7 @@ class FederationHandler(BaseHandler): # Mark as outlier as we don't have any state for this event; we're not # even in the room. event.internal_metadata.outlier = True + event.internal_metadata.new_remote_event = True # Try the host that we succesfully called /make_leave/ on first for # the /send_leave/ request. diff --git a/synapse/storage/roommember.py b/synapse/storage/roommember.py index c7488f425..40b13de80 100644 --- a/synapse/storage/roommember.py +++ b/synapse/storage/roommember.py @@ -588,10 +588,13 @@ class RoomMemberStore(RoomMemberWorkerStore): ) # We update the local_invites table only if the event is "current", - # i.e., its something that has just happened. - # The only current event that can also be an outlier is if its an - # invite that has come in across federation. - is_new_state = not backfilled + # i.e., its something that has just happened. If the event is an + # outlier it is only current if its a "new remote event", like a + # remote invite or a rejection of a remote invite. + is_new_state = not backfilled and ( + not event.internal_metadata.is_outlier() + or event.internal_metadata.is_new_remote_event() + ) is_mine = self.hs.is_mine_id(event.state_key) if is_new_state and is_mine: if event.membership == Membership.INVITE: