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Add a workaround for bug where some initial join events don't reference creation events in their auth_events
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1 changed files with 7 additions and 1 deletions
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@ -21,7 +21,7 @@ from synapse.api.events.utils import prune_event
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from synapse.api.errors import (
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AuthError, FederationError, SynapseError, StoreError,
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)
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from synapse.api.events.room import RoomMemberEvent
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from synapse.api.events.room import RoomMemberEvent, RoomCreateEvent
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from synapse.api.constants import Membership
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from synapse.util.logutils import log_function
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from synapse.util.async import run_on_reactor
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@ -618,6 +618,12 @@ class FederationHandler(BaseHandler):
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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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if len(event.prev_events) == 1:
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c = yield self.store.get_event(event.prev_events[0][0])
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if c.type == RoomCreateEvent.TYPE:
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auth_events[(c.type, c.state_key)] = c
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self.auth.check(event, auth_events=auth_events)
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yield self.store.persist_event(
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