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https://mau.dev/maunium/synapse.git
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Fix bugs when joining a remote room that has dodgy event graphs. This should also fix the number of times a HS will trigger a GET /event/
This commit is contained in:
Erik Johnston
parent
0294fba042
commit
027542e2e5
@ -202,7 +202,10 @@ class Auth(object):
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# Invites are valid iff caller is in the room and target isn't.
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if not caller_in_room: # caller isn't joined
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raise AuthError(403, "You are not in room %s." % event.room_id)
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raise AuthError(
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403,
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"%s not in room %s." % (event.user_id, event.room_id,)
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)
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elif target_in_room: # the target is already in the room.
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raise AuthError(403, "%s is already in the room." %
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target_user_id)
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@ -225,7 +228,10 @@ class Auth(object):
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# TODO (erikj): Implement kicks.
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if not caller_in_room: # trying to leave a room you aren't joined
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raise AuthError(403, "You are not in room %s." % event.room_id)
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raise AuthError(
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403,
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"%s not in room %s." % (target_user_id, event.room_id,)
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)
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elif target_user_id != event.user_id:
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if kick_level:
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kick_level = int(kick_level)
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@ -153,7 +153,7 @@ class FederationHandler(BaseHandler):
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event.room_id,
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self.server_name
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)
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if not is_in_room:
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if not is_in_room and not event.outlier:
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logger.debug("Got event for room we're not in.")
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replication_layer = self.replication_layer
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@ -163,28 +163,30 @@ class FederationHandler(BaseHandler):
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event_id=event.event_id,
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)
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current_state = yield replication_layer.get_state_for_context(
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origin,
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context=event.room_id,
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event_id=event.event_id,
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)
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for e in auth_chain:
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e.outlier = True
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try:
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yield self._handle_new_event(e)
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yield self.notifier.on_new_room_event(e)
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yield self._handle_new_event(e, fetch_missing=False)
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except:
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logger.exception(
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"Failed to parse auth event %s",
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e.event_id,
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)
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for e in current_state:
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if not state:
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state = yield replication_layer.get_state_for_context(
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origin,
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context=event.room_id,
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event_id=event.event_id,
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)
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current_state = state
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if state:
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for e in state:
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e.outlier = True
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try:
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yield self._handle_new_event(e)
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yield self.notifier.on_new_room_event(e)
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except:
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logger.exception(
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"Failed to parse state event %s",
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@ -284,6 +286,16 @@ class FederationHandler(BaseHandler):
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@defer.inlineCallbacks
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def on_event_auth(self, event_id):
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auth = yield self.store.get_auth_chain(event_id)
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for event in auth:
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event.signatures.update(
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compute_event_signature(
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event,
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self.hs.hostname,
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self.hs.config.signing_key[0]
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)
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)
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defer.returnValue([e for e in auth])
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@log_function
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@ -343,6 +355,7 @@ class FederationHandler(BaseHandler):
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state = ret["state"]
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auth_chain = ret["auth_chain"]
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auth_chain.sort(key=lambda e: e.depth)
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logger.debug("do_invite_join auth_chain: %s", auth_chain)
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logger.debug("do_invite_join state: %s", state)
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@ -362,10 +375,7 @@ class FederationHandler(BaseHandler):
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for e in auth_chain:
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e.outlier = True
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try:
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yield self._handle_new_event(e)
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yield self.notifier.on_new_room_event(
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e, extra_users=[joinee]
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)
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yield self._handle_new_event(e, fetch_missing=False)
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except:
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logger.exception(
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"Failed to parse auth event %s",
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@ -376,9 +386,9 @@ class FederationHandler(BaseHandler):
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# FIXME: Auth these.
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e.outlier = True
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try:
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yield self._handle_new_event(e)
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yield self.notifier.on_new_room_event(
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e, extra_users=[joinee]
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yield self._handle_new_event(
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e,
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fetch_missing=True
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)
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except:
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logger.exception(
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@ -389,7 +399,7 @@ class FederationHandler(BaseHandler):
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yield self._handle_new_event(
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event,
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state=state,
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current_state=state
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current_state=state,
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)
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yield self.notifier.on_new_room_event(
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@ -552,7 +562,17 @@ class FederationHandler(BaseHandler):
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else:
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del results[(event.type, event.state_key)]
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defer.returnValue(results.values())
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res = results.values()
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for event in res:
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event.signatures.update(
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compute_event_signature(
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event,
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self.hs.hostname,
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self.hs.config.signing_key[0]
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)
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)
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defer.returnValue(res)
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else:
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defer.returnValue([])
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@ -623,11 +643,7 @@ class FederationHandler(BaseHandler):
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@defer.inlineCallbacks
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def _handle_new_event(self, event, state=None, backfilled=False,
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current_state=None):
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if state:
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for s in state:
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yield self._handle_new_event(s)
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current_state=None, fetch_missing=True):
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is_new_state = yield self.state_handler.annotate_event_with_state(
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event,
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old_state=state
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@ -667,11 +683,22 @@ class FederationHandler(BaseHandler):
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)
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if not e:
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raise AuthError(
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403,
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"Can't find auth event %s." % (e_id, )
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e = yield self.replication_layer.get_pdu(
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event.origin, e_id, outlier=True
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)
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if e and fetch_missing:
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try:
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yield self.on_receive_pdu(event.origin, e, False)
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except:
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logger.exception(
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"Failed to parse auth event %s",
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e_id,
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)
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if not e:
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logger.warn("Can't find auth event %s.", e_id)
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auth_events[(e.type, e.state_key)] = e
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if event.type == RoomMemberEvent.TYPE and not event.auth_events:
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@ -42,6 +42,7 @@ class FederationTestCase(unittest.TestCase):
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self.auth = NonCallableMock(spec_set=[
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"check",
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"check_host_in_room",
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])
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self.hostname = "test"
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@ -89,13 +90,16 @@ class FederationTestCase(unittest.TestCase):
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self.datastore.persist_event.return_value = defer.succeed(None)
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self.datastore.get_room.return_value = defer.succeed(True)
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self.auth.check_host_in_room.return_value = defer.succeed(True)
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def annotate(ev, old_state=None):
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ev.old_state_events = []
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return defer.succeed(False)
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self.state_handler.annotate_event_with_state.side_effect = annotate
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yield self.handlers.federation_handler.on_receive_pdu(pdu, False)
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yield self.handlers.federation_handler.on_receive_pdu(
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"fo", pdu, False
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)
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self.datastore.persist_event.assert_called_once_with(
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ANY, is_new_state=False, backfilled=False, current_state=None
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