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feat: join cursed rooms

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this removes several restrictions and tries to continue verifying a pdu
event if some auth events fail (it drops/ignores bad pdus)
This commit is contained in:
Timo Kösters 2021-04-14 09:39:06 +02:00
parent 8b40e0a85f
commit 5951294638
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GPG key ID: 24DA7517711A2BA4
5 changed files with 48 additions and 33 deletions
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25
src/client_server/membership.rs
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@ -527,7 +527,7 @@ async fn join_room_by_id_helper(
.map_err(|_| Error::BadServerResponse("Invalid PDU in send_join response."))?;
let mut state = BTreeMap::new();
let mut pub_key_map = RwLock::new(BTreeMap::new());
let pub_key_map = RwLock::new(BTreeMap::new());
for result in futures::future::join_all(
send_join_response
@ -538,7 +538,11 @@ async fn join_room_by_id_helper(
)
.await
{
let (event_id, value) = result?;
let (event_id, value) = match result {
Ok(t) => t,
Err(_) => continue,
};
let pdu = PduEvent::from_id_val(&event_id, value.clone()).map_err(|e| {
warn!("{:?}: {}", value, e);
Error::BadServerResponse("Invalid PDU in send_join response.")
@ -593,9 +597,20 @@ async fn join_room_by_id_helper(
db.rooms.force_state(room_id, state, &db.globals)?;
for pdu in send_join_response.room_state.auth_chain.iter() {
let (event_id, value) =
validate_and_add_event_id(pdu, &room_version, &mut pub_key_map, &db).await?;
for result in futures::future::join_all(
send_join_response
.room_state
.auth_chain
.iter()
.map(|pdu| validate_and_add_event_id(pdu, &room_version, &pub_key_map, &db)),
)
.await
{
let (event_id, value) = match result {
Ok(t) => t,
Err(_) => continue,
};
let pdu = PduEvent::from_id_val(&event_id, value.clone()).map_err(|e| {
warn!("{:?}: {}", value, e);
Error::BadServerResponse("Invalid PDU in send_join response.")