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Correctly handle the difference between prev and current state

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This commit is contained in:
Erik Johnston 2016-08-31 13:55:02 +01:00
parent 1bb8ec296d
commit c10cb581c6
12 changed files with 102 additions and 69 deletions
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31
synapse/handlers/federation.py
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@ -222,7 +222,7 @@ class FederationHandler(BaseHandler):
# joined the room. Don't bother if the user is just
# changing their profile info.
newly_joined = True
prev_state_id = context.current_state_ids.get(
prev_state_id = context.prev_state_ids.get(
(event.type, event.state_key)
)
if prev_state_id:
@ -835,12 +835,12 @@ class FederationHandler(BaseHandler):
self.replication_layer.send_pdu(new_pdu, destinations)
state_ids = context.current_state_ids.values()
state_ids = context.prev_state_ids.values()
auth_chain = yield self.store.get_auth_chain(set(
[event.event_id] + state_ids
))
state = yield self.store.get_events(context.current_state_ids.values())
state = yield self.store.get_events(context.prev_state_ids.values())
defer.returnValue({
"state": state.values(),
@ -1333,7 +1333,7 @@ class FederationHandler(BaseHandler):
if not auth_events:
auth_events_ids = yield self.auth.compute_auth_events(
event, context.current_state_ids, for_verification=True,
event, context.prev_state_ids, for_verification=True,
)
auth_events = yield self.store.get_events(auth_events_ids)
auth_events = {
@ -1432,6 +1432,11 @@ class FederationHandler(BaseHandler):
current_state = set(e.event_id for e in auth_events.values())
event_auth_events = set(e_id for e_id, _ in event.auth_events)
if event.is_state():
event_key = (event.type, event.state_key)
else:
event_key = None
if event_auth_events - current_state:
have_events = yield self.store.have_events(
event_auth_events - current_state
@ -1537,8 +1542,12 @@ class FederationHandler(BaseHandler):
context.current_state_ids.update({
k: a.event_id for k, a in auth_events.items()
if k != event_key
})
context.state_group = None
context.prev_state_ids.update({
k: a.event_id for k, a in auth_events.items()
})
context.state_group = self.store.get_next_state_group()
if different_auth and not event.internal_metadata.is_outlier():
logger.info("Different auth after resolution: %s", different_auth)
@ -1560,7 +1569,7 @@ class FederationHandler(BaseHandler):
if do_resolution:
# 1. Get what we think is the auth chain.
auth_ids = yield self.auth.compute_auth_events(
event, context.current_state_ids
event, context.prev_state_ids
)
local_auth_chain = yield self.store.get_auth_chain(auth_ids)
@ -1618,8 +1627,12 @@ class FederationHandler(BaseHandler):
context.current_state_ids.update({
k: a.event_id for k, a in auth_events.items()
if k != event_key
})
context.state_group = None
context.prev_state_ids.update({
k: a.event_id for k, a in auth_events.items()
})
context.state_group = self.store.get_next_state_group()
try:
self.auth.check(event, auth_events=auth_events)
@ -1855,7 +1868,7 @@ class FederationHandler(BaseHandler):
event.content["third_party_invite"]["signed"]["token"]
)
original_invite = None
original_invite_id = context.current_state_ids.get(key)
original_invite_id = context.prev_state_ids.get(key)
if original_invite_id:
original_invite = yield self.store.get_event(
original_invite_id, allow_none=True
@ -1893,7 +1906,7 @@ class FederationHandler(BaseHandler):
signed = event.content["third_party_invite"]["signed"]
token = signed["token"]
invite_event_id = context.current_state_ids.get(
invite_event_id = context.prev_state_ids.get(
(EventTypes.ThirdPartyInvite, token,)
)