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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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10
synapse/handlers/message.py
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@ -272,7 +272,7 @@ class MessageHandler(BaseHandler):
If so, returns the version of the event in context.
Otherwise, returns None.
"""
prev_event_id = context.current_state_ids.get((event.type, event.state_key))
prev_event_id = context.prev_state_ids.get((event.type, event.state_key))
prev_event = yield self.store.get_event(prev_event_id, allow_none=True)
if not prev_event:
return
@ -808,8 +808,8 @@ class MessageHandler(BaseHandler):
event = builder.build()
logger.debug(
"Created event %s with current state: %s",
event.event_id, context.current_state_ids,
"Created event %s with state: %s",
event.event_id, context.prev_state_ids,
)
defer.returnValue(
@ -904,7 +904,7 @@ class MessageHandler(BaseHandler):
if event.type == EventTypes.Redaction:
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 = {
@ -924,7 +924,7 @@ class MessageHandler(BaseHandler):
"You don't have permission to redact events"
)
if event.type == EventTypes.Create and context.current_state_ids:
if event.type == EventTypes.Create and context.prev_state_ids:
raise AuthError(
403,
"Changing the room create event is forbidden",