diff options
Diffstat (limited to 'synapse/handlers/federation.py')
| -rw-r--r-- | synapse/handlers/federation.py | 144 |
1 files changed, 100 insertions, 44 deletions
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index 57be968c67..10160bfe86 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -210,7 +210,7 @@ class FederationHandler(BaseHandler): event_id, origin, ) - defer.returnValue(None) + return None state = None auth_chain = [] @@ -676,7 +676,7 @@ class FederationHandler(BaseHandler): events = [e for e in events if e.event_id not in seen_events] if not events: - defer.returnValue([]) + return [] event_map = {e.event_id: e for e in events} @@ -838,7 +838,7 @@ class FederationHandler(BaseHandler): # TODO: We can probably do something more clever here. yield self._handle_new_event(dest, event, backfilled=True) - defer.returnValue(events) + return events @defer.inlineCallbacks def maybe_backfill(self, room_id, current_depth): @@ -894,7 +894,7 @@ class FederationHandler(BaseHandler): ) if not filtered_extremities: - defer.returnValue(False) + return False # Check if we reached a point where we should start backfilling. sorted_extremeties_tuple = sorted(extremities.items(), key=lambda e: -int(e[1])) @@ -965,7 +965,7 @@ class FederationHandler(BaseHandler): # If this succeeded then we probably already have the # appropriate stuff. # TODO: We can probably do something more intelligent here. - defer.returnValue(True) + return True except SynapseError as e: logger.info("Failed to backfill from %s because %s", dom, e) continue @@ -985,11 +985,11 @@ class FederationHandler(BaseHandler): logger.exception("Failed to backfill from %s because %s", dom, e) continue - defer.returnValue(False) + return False success = yield try_backfill(likely_domains) if success: - defer.returnValue(True) + return True # Huh, well *those* domains didn't work out. Lets try some domains # from the time. @@ -1031,11 +1031,11 @@ class FederationHandler(BaseHandler): [dom for dom, _ in likely_domains if dom not in tried_domains] ) if success: - defer.returnValue(True) + return True tried_domains.update(dom for dom, _ in likely_domains) - defer.returnValue(False) + return False def _sanity_check_event(self, ev): """ @@ -1082,7 +1082,7 @@ class FederationHandler(BaseHandler): pdu=event, ) - defer.returnValue(pdu) + return pdu @defer.inlineCallbacks def on_event_auth(self, event_id): @@ -1090,7 +1090,7 @@ class FederationHandler(BaseHandler): auth = yield self.store.get_auth_chain( [auth_id for auth_id in event.auth_event_ids()], include_given=True ) - defer.returnValue([e for e in auth]) + return [e for e in auth] @log_function @defer.inlineCallbacks @@ -1177,7 +1177,7 @@ class FederationHandler(BaseHandler): run_in_background(self._handle_queued_pdus, room_queue) - defer.returnValue(True) + return True @defer.inlineCallbacks def _handle_queued_pdus(self, room_queue): @@ -1204,11 +1204,28 @@ class FederationHandler(BaseHandler): @defer.inlineCallbacks @log_function - def on_make_join_request(self, room_id, user_id): + def on_make_join_request(self, origin, room_id, user_id): """ We've received a /make_join/ request, so we create a partial join event for the room and return that. We do *not* persist or process it until the other server has signed it and sent it back. + + Args: + origin (str): The (verified) server name of the requesting server. + room_id (str): Room to create join event in + user_id (str): The user to create the join for + + Returns: + Deferred[FrozenEvent] """ + + if get_domain_from_id(user_id) != origin: + logger.info( + "Got /make_join request for user %r from different origin %s, ignoring", + user_id, + origin, + ) + raise SynapseError(403, "User not from origin", Codes.FORBIDDEN) + event_content = {"membership": Membership.JOIN} room_version = yield self.store.get_room_version(room_id) @@ -1247,7 +1264,7 @@ class FederationHandler(BaseHandler): room_version, event, context, do_sig_check=False ) - defer.returnValue(event) + return event @defer.inlineCallbacks @log_function @@ -1308,7 +1325,7 @@ class FederationHandler(BaseHandler): state = yield self.store.get_events(list(prev_state_ids.values())) - defer.returnValue({"state": list(state.values()), "auth_chain": auth_chain}) + return {"state": list(state.values()), "auth_chain": auth_chain} @defer.inlineCallbacks def on_invite_request(self, origin, pdu): @@ -1364,7 +1381,7 @@ class FederationHandler(BaseHandler): context = yield self.state_handler.compute_event_context(event) yield self.persist_events_and_notify([(event, context)]) - defer.returnValue(event) + return event @defer.inlineCallbacks def do_remotely_reject_invite(self, target_hosts, room_id, user_id): @@ -1389,7 +1406,7 @@ class FederationHandler(BaseHandler): context = yield self.state_handler.compute_event_context(event) yield self.persist_events_and_notify([(event, context)]) - defer.returnValue(event) + return event @defer.inlineCallbacks def _make_and_verify_event( @@ -1407,15 +1424,31 @@ class FederationHandler(BaseHandler): assert event.user_id == user_id assert event.state_key == user_id assert event.room_id == room_id - defer.returnValue((origin, event, format_ver)) + return (origin, event, format_ver) @defer.inlineCallbacks @log_function - def on_make_leave_request(self, room_id, user_id): + def on_make_leave_request(self, origin, room_id, user_id): """ We've received a /make_leave/ request, so we create a partial leave event for the room and return that. We do *not* persist or process it until the other server has signed it and sent it back. + + Args: + origin (str): The (verified) server name of the requesting server. + room_id (str): Room to create leave event in + user_id (str): The user to create the leave for + + Returns: + Deferred[FrozenEvent] """ + if get_domain_from_id(user_id) != origin: + logger.info( + "Got /make_leave request for user %r from different origin %s, ignoring", + user_id, + origin, + ) + raise SynapseError(403, "User not from origin", Codes.FORBIDDEN) + room_version = yield self.store.get_room_version(room_id) builder = self.event_builder_factory.new( room_version, @@ -1451,7 +1484,7 @@ class FederationHandler(BaseHandler): logger.warn("Failed to create new leave %r because %s", event, e) raise e - defer.returnValue(event) + return event @defer.inlineCallbacks @log_function @@ -1484,7 +1517,7 @@ class FederationHandler(BaseHandler): event.signatures, ) - defer.returnValue(None) + return None @defer.inlineCallbacks def get_state_for_pdu(self, room_id, event_id): @@ -1512,9 +1545,9 @@ class FederationHandler(BaseHandler): del results[(event.type, event.state_key)] res = list(results.values()) - defer.returnValue(res) + return res else: - defer.returnValue([]) + return [] @defer.inlineCallbacks def get_state_ids_for_pdu(self, room_id, event_id): @@ -1539,9 +1572,9 @@ class FederationHandler(BaseHandler): else: results.pop((event.type, event.state_key), None) - defer.returnValue(list(results.values())) + return list(results.values()) else: - defer.returnValue([]) + return [] @defer.inlineCallbacks @log_function @@ -1554,7 +1587,7 @@ class FederationHandler(BaseHandler): events = yield filter_events_for_server(self.store, origin, events) - defer.returnValue(events) + return events @defer.inlineCallbacks @log_function @@ -1584,9 +1617,9 @@ class FederationHandler(BaseHandler): events = yield filter_events_for_server(self.store, origin, [event]) event = events[0] - defer.returnValue(event) + return event else: - defer.returnValue(None) + return None def get_min_depth_for_context(self, context): return self.store.get_min_depth(context) @@ -1618,7 +1651,7 @@ class FederationHandler(BaseHandler): self.store.remove_push_actions_from_staging, event.event_id ) - defer.returnValue(context) + return context @defer.inlineCallbacks def _handle_new_events(self, origin, event_infos, backfilled=False): @@ -1641,7 +1674,7 @@ class FederationHandler(BaseHandler): auth_events=ev_info.get("auth_events"), backfilled=backfilled, ) - defer.returnValue(res) + return res contexts = yield make_deferred_yieldable( defer.gatherResults( @@ -1800,7 +1833,7 @@ class FederationHandler(BaseHandler): if event.type == EventTypes.GuestAccess and not context.rejected: yield self.maybe_kick_guest_users(event) - defer.returnValue(context) + return context @defer.inlineCallbacks def _check_for_soft_fail(self, event, state, backfilled): @@ -1919,7 +1952,7 @@ class FederationHandler(BaseHandler): logger.debug("on_query_auth returning: %s", ret) - defer.returnValue(ret) + return ret @defer.inlineCallbacks def on_get_missing_events( @@ -1942,7 +1975,7 @@ class FederationHandler(BaseHandler): self.store, origin, missing_events ) - defer.returnValue(missing_events) + return missing_events @defer.inlineCallbacks @log_function @@ -2418,16 +2451,14 @@ class FederationHandler(BaseHandler): logger.debug("construct_auth_difference returning") - defer.returnValue( - { - "auth_chain": local_auth, - "rejects": { - e.event_id: {"reason": reason_map[e.event_id], "proof": None} - for e in base_remote_rejected - }, - "missing": [e.event_id for e in missing_locals], - } - ) + return { + "auth_chain": local_auth, + "rejects": { + e.event_id: {"reason": reason_map[e.event_id], "proof": None} + for e in base_remote_rejected + }, + "missing": [e.event_id for e in missing_locals], + } @defer.inlineCallbacks @log_function @@ -2575,7 +2606,7 @@ class FederationHandler(BaseHandler): builder=builder ) EventValidator().validate_new(event) - defer.returnValue((event, context)) + return (event, context) @defer.inlineCallbacks def _check_signature(self, event, context): @@ -2765,3 +2796,28 @@ class FederationHandler(BaseHandler): ) else: return user_joined_room(self.distributor, user, room_id) + + @defer.inlineCallbacks + def get_room_complexity(self, remote_room_hosts, room_id): + """ + Fetch the complexity of a remote room over federation. + + Args: + remote_room_hosts (list[str]): The remote servers to ask. + room_id (str): The room ID to ask about. + + Returns: + Deferred[dict] or Deferred[None]: Dict contains the complexity + metric versions, while None means we could not fetch the complexity. + """ + + for host in remote_room_hosts: + res = yield self.federation_client.get_room_complexity(host, room_id) + + # We got a result, return it. + if res: + defer.returnValue(res) + + # We fell off the bottom, couldn't get the complexity from anyone. Oh + # well. + defer.returnValue(None) |