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Try and figure out how and why signatures are being changed.

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This commit is contained in:
Erik Johnston 2014-12-10 10:06:12 +00:00
parent b63cea9660
commit 95aa903ffa
9 changed files with 86 additions and 34 deletions
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54
synapse/handlers/federation.py
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@ -459,10 +459,22 @@ class FederationHandler(BaseHandler):
"""
event = pdu
logger.debug(
"on_send_join_request: Got event: %s, signatures: %s",
event.event_id,
event.signatures,
)
event.internal_metadata.outlier = False
context = yield self._handle_new_event(event)
logger.debug(
"on_send_join_request: After _handle_new_event: %s, sigs: %s",
event.event_id,
event.signatures,
)
extra_users = []
if event.type == RoomMemberEvent.TYPE:
target_user_id = event.state_key
@ -496,6 +508,12 @@ class FederationHandler(BaseHandler):
"Failed to get destination from event %s", s.event_id
)
logger.debug(
"on_send_join_request: Sending event: %s, signatures: %s",
event.event_id,
event.signatures,
)
yield self.replication_layer.send_pdu(new_pdu, destinations)
auth_chain = yield self.store.get_auth_chain(event.event_id)
@ -652,12 +670,23 @@ class FederationHandler(BaseHandler):
def _handle_new_event(self, event, state=None, backfilled=False,
current_state=None, fetch_missing=True):
context = EventContext()
logger.debug(
"_handle_new_event: Before annotate: %s, sigs: %s",
event.event_id, event.signatures,
)
yield self.state_handler.annotate_context_with_state(
event,
context,
old_state=state
)
logger.debug(
"_handle_new_event: Before auth fetch: %s, sigs: %s",
event.event_id, event.signatures,
)
is_new_state = not event.internal_metadata.outlier
known_ids = set(
@ -666,29 +695,43 @@ class FederationHandler(BaseHandler):
for e_id, _ in event.auth_events:
if e_id not in known_ids:
e = yield self.store.get_event(
e_id,
allow_none=True,
e_id, allow_none=True,
)
if not e:
# TODO: Do some conflict res to make sure that we're
# not the ones who are wrong.
logger.info(
"Rejecting %s as %s not in %s",
"Rejecting %s as %s not in db or %s",
event.event_id, e_id, known_ids,
)
raise AuthError(403, "Auth events are stale")
context.auth_events[(e.type, e.state_key)] = e
logger.debug(
"_handle_new_event: Before hack: %s, sigs: %s",
event.event_id, event.signatures,
)
if event.type == RoomMemberEvent.TYPE and not event.auth_events:
if len(event.prev_events) == 1:
c = yield self.store.get_event(event.prev_events[0][0])
if c.type == RoomCreateEvent.TYPE:
context.auth_events[(c.type, c.state_key)] = c
logger.debug(
"_handle_new_event: Before auth check: %s, sigs: %s",
event.event_id, event.signatures,
)
self.auth.check(event, auth_events=context.auth_events)
logger.debug(
"_handle_new_event: Before persist_event: %s, sigs: %s",
event.event_id, event.signatures,
)
yield self.store.persist_event(
event,
context=context,
@ -697,4 +740,9 @@ class FederationHandler(BaseHandler):
current_state=current_state,
)
logger.debug(
"_handle_new_event: After persist_event: %s, sigs: %s",
event.event_id, event.signatures,
)
defer.returnValue(context)