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improvement: don't do state updates if the event was soft failed

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This commit is contained in:
Timo Kösters 2021-08-30 10:46:36 +02:00
parent 632a1343eb
commit d57c19802d
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GPG key ID: 24DA7517711A2BA4
1 changed files with 41 additions and 30 deletions
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71
src/server_server.rs
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@ -1497,6 +1497,47 @@ async fn upgrade_outlier_to_timeline_pdu(
)
.map_err(|_| "Failed to get_auth_events.".to_owned())?;
let state_ids_compressed = state_at_incoming_event
.iter()
.map(|(shortstatekey, id)| {
db.rooms
.compress_state_event(*shortstatekey, &id, &db.globals)
.map_err(|_| "Failed to compress_state_event".to_owned())
})
.collect::<StdResult<_, String>>()?;
// 13. Check if the event passes auth based on the "current state" of the room, if not "soft fail" it
debug!("starting soft fail auth check");
let soft_fail = !state_res::event_auth::auth_check(
&room_version,
&incoming_pdu,
previous_create,
None,
|k, s| auth_events.get(&(k.clone(), s.to_owned())).map(Arc::clone),
)
.map_err(|_e| "Auth check failed.".to_owned())?;
if soft_fail {
append_incoming_pdu(
&db,
&incoming_pdu,
val,
extremities,
state_ids_compressed,
soft_fail,
&state_lock
)
.map_err(|_| "Failed to add pdu to db.".to_owned())?;
// Soft fail, we keep the event as an outlier but don't add it to the timeline
warn!("Event was soft failed: {:?}", incoming_pdu);
db.rooms
.mark_event_soft_failed(&incoming_pdu.event_id)
.map_err(|_| "Failed to set soft failed flag".to_owned())?;
return Err("Event has been soft failed".into());
}
if incoming_pdu.state_key.is_some() {
let mut extremity_sstatehashes = HashMap::new();
@ -1651,31 +1692,10 @@ async fn upgrade_outlier_to_timeline_pdu(
extremities.insert(incoming_pdu.event_id.clone());
// 13. Check if the event passes auth based on the "current state" of the room, if not "soft fail" it
debug!("starting soft fail auth check");
let soft_fail = !state_res::event_auth::auth_check(
&room_version,
&incoming_pdu,
previous_create,
None,
|k, s| auth_events.get(&(k.clone(), s.to_owned())).map(Arc::clone),
)
.map_err(|_e| "Auth check failed.".to_owned())?;
// Now that the event has passed all auth it is added into the timeline.
// We use the `state_at_event` instead of `state_after` so we accurately
// represent the state for this event.
let state_ids_compressed = state_at_incoming_event
.iter()
.map(|(shortstatekey, id)| {
db.rooms
.compress_state_event(*shortstatekey, &id, &db.globals)
.map_err(|_| "Failed to compress_state_event".to_owned())
})
.collect::<StdResult<_, String>>()?;
let pdu_id = append_incoming_pdu(
&db,
&incoming_pdu,
@ -1689,15 +1709,6 @@ async fn upgrade_outlier_to_timeline_pdu(
debug!("Appended incoming pdu.");
if soft_fail {
// Soft fail, we keep the event as an outlier but don't add it to the timeline
warn!("Event was soft failed: {:?}", incoming_pdu);
db.rooms
.mark_event_soft_failed(&incoming_pdu.event_id)
.map_err(|_| "Failed to set soft failed flag".to_owned())?;
return Err("Event has been soft failed".into());
}
// Event has passed all auth/stateres checks
drop(state_lock);
Ok(pdu_id)