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state-res: Raise an error (don't panic) on invalid power-levels event

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Jonas Platte 2021-09-03 21:20:48 +02:00
parent 40f99cb364
commit 6b1f027b88
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GPG Key ID: CC154DE0E30B7C67
1 changed files with 14 additions and 5 deletions
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19
crates/ruma-state-res/src/event_auth.rs
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@ -12,7 +12,7 @@ use ruma_events::{
EventType,
};
use ruma_identifiers::{RoomVersionId, UserId};
use tracing::{debug, info, warn};
use tracing::{debug, error, info, warn};
use crate::{room_version::RoomVersion, Error, Event, Result, StateMap};
@ -561,10 +561,19 @@ where
E: Event,
F: Fn(&EventType, &str) -> Option<Arc<E>>,
{
let power_event_state_key = power_event.state_key().expect("power events have state keys");
let current_state = if let Some(current_state) =
fetch_state(&power_event.event_type(), &power_event_state_key)
{
match power_event.state_key().as_deref() {
Some("") => {}
Some(key) => {
error!("m.room.power_levels event has non-empty state key: {}", key);
return None;
}
None => {
error!("check_power_levels requires an m.room.power_levels *state* event argument");
return None;
}
}
let current_state = if let Some(current_state) = fetch_state(&power_event.event_type(), "") {
current_state
} else {
// If there is no previous m.room.power_levels event in the room, allow