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fix: rare state races

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This commit is contained in:
Timo Kösters 2020-12-31 14:52:08 +01:00
parent 2cf6fd57b7
commit df16b2ba98
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GPG key ID: 24DA7517711A2BA4
2 changed files with 19 additions and 12 deletions
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29
src/database/rooms.rs
View file

@ -678,9 +678,6 @@ impl Rooms {
self.stateid_pduid.insert(&state_id, &short_pdu_id)?;
}
self.roomid_statehash
.insert(new_pdu.room_id.as_bytes(), &*new_state_hash)?;
Ok(new_state_hash)
} else {
Err(Error::bad_database(
@ -689,6 +686,13 @@ impl Rooms {
}
}
pub fn set_room_state(&self, room_id: &RoomId, state_hash: &StateHashId) -> Result<()> {
self.roomid_statehash
.insert(room_id.as_bytes(), state_hash)?;
Ok(())
}
/// Creates a new persisted data unit and adds it to a room.
#[allow(clippy::too_many_arguments)]
pub fn build_and_append_pdu(
@ -929,7 +933,7 @@ impl Rooms {
// We append to state before appending the pdu, so we don't have a moment in time with the
// pdu without it's state. This is okay because append_pdu can't fail.
self.append_to_state(&pdu_id, &pdu, &globals)?;
let statehashid = self.append_to_state(&pdu_id, &pdu, &globals)?;
self.append_pdu(
&pdu,
@ -941,6 +945,10 @@ impl Rooms {
admin,
)?;
// We set the room state after inserting the pdu, so that we never have a moment in time
// where events in the current room state do not exist
self.set_room_state(&room_id, &statehashid)?;
for server in self
.room_servers(room_id)
.filter_map(|r| r.ok())
@ -991,13 +999,12 @@ impl Rooms {
if bridge_user_id.map_or(false, |bridge_user_id| {
self.is_joined(&bridge_user_id, room_id).unwrap_or(false)
}) || users.iter().any(|users| {
dbg!(
users.is_match(pdu.sender.as_str())
|| pdu.kind == EventType::RoomMember
&& pdu.state_key.as_ref().map_or(false, |state_key| dbg!(
users.is_match(dbg!(&state_key))
))
)
users.is_match(pdu.sender.as_str())
|| pdu.kind == EventType::RoomMember
&& pdu
.state_key
.as_ref()
.map_or(false, |state_key| users.is_match(&state_key))
}) || aliases.map_or(false, |aliases| {
room_aliases
.filter_map(|r| r.ok())

2
src/server_server.rs
View file

@ -95,7 +95,7 @@ where
ruma::signatures::sign_json(
globals.server_name().as_str(),
globals.keypair(),
&mut request_json,
dbg!(&mut request_json),
)
.expect("our request json is what ruma expects");