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Merge pull request 'Allow unjoined users to read state of world readable rooms' (#230) from allow-reading-state into master

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Reviewed-on: https://git.koesters.xyz/timo/conduit/pulls/230
This commit is contained in:
Timo Kösters 2020-10-18 16:45:17 +02:00
commit fccd3fdb88
2 changed files with 69 additions and 14 deletions
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2
README.md
View file

@ -2,7 +2,7 @@
### A Matrix homeserver written in Rust
[![Liberapay](https://img.shields.io/liberapay/receives/timokoesters?logo=liberapay)](https://liberapay.com/timokoesters)
[![Matrix](https://img.shields.io/matrix/conduit:koesters.xyz?server_fqdn=matrix.koesters.xyz&logo=matrix)](https://matrix.to/#/#conduit:koesters.xyz)
[![Matrix](https://img.shields.io/matrix/conduit:conduit.rs?server_fqdn=conduit.koesters.xyz)](https://matrix.to/#/#conduit:matrix.org)
#### What is the goal?

57
src/client_server/state.rs
View file

@ -8,7 +8,11 @@ use ruma::{
send_state_event_for_empty_key, send_state_event_for_key,
},
},
events::{AnyStateEventContent, EventContent},
events::{
room::history_visibility::HistoryVisibility,
room::history_visibility::HistoryVisibilityEventContent, AnyStateEventContent,
EventContent, EventType,
},
EventId, RoomId, UserId,
};
@ -97,12 +101,29 @@ pub fn get_state_events_route(
) -> ConduitResult<get_state_events::Response> {
let sender_id = body.sender_id.as_ref().expect("user is authenticated");
// Users not in the room should not be able to access the state unless history_visibility is
// WorldReadable
if !db.rooms.is_joined(sender_id, &body.room_id)? {
if !matches!(
db.rooms
.room_state_get(&body.room_id, &EventType::RoomHistoryVisibility, "")?
.map(|event| {
serde_json::from_value::<HistoryVisibilityEventContent>(event.content)
.map_err(|_| {
Error::bad_database(
"Invalid room history visibility event in database.",
)
})
.map(|e| e.history_visibility)
}),
Some(Ok(HistoryVisibility::WorldReadable))
) {
return Err(Error::BadRequest(
ErrorKind::Forbidden,
"You don't have permission to view the room state.",
));
}
}
Ok(get_state_events::Response {
room_state: db
@ -125,12 +146,29 @@ pub fn get_state_events_for_key_route(
) -> ConduitResult<get_state_events_for_key::Response> {
let sender_id = body.sender_id.as_ref().expect("user is authenticated");
// Users not in the room should not be able to access the state unless history_visibility is
// WorldReadable
if !db.rooms.is_joined(sender_id, &body.room_id)? {
if !matches!(
db.rooms
.room_state_get(&body.room_id, &EventType::RoomHistoryVisibility, "")?
.map(|event| {
serde_json::from_value::<HistoryVisibilityEventContent>(event.content)
.map_err(|_| {
Error::bad_database(
"Invalid room history visibility event in database.",
)
})
.map(|e| e.history_visibility)
}),
Some(Ok(HistoryVisibility::WorldReadable))
) {
return Err(Error::BadRequest(
ErrorKind::Forbidden,
"You don't have permission to view the room state.",
));
}
}
let event = db
.rooms
@ -157,12 +195,29 @@ pub fn get_state_events_for_empty_key_route(
) -> ConduitResult<get_state_events_for_empty_key::Response> {
let sender_id = body.sender_id.as_ref().expect("user is authenticated");
// Users not in the room should not be able to access the state unless history_visibility is
// WorldReadable
if !db.rooms.is_joined(sender_id, &body.room_id)? {
if !matches!(
db.rooms
.room_state_get(&body.room_id, &EventType::RoomHistoryVisibility, "")?
.map(|event| {
serde_json::from_value::<HistoryVisibilityEventContent>(event.content)
.map_err(|_| {
Error::bad_database(
"Invalid room history visibility event in database.",
)
})
.map(|e| e.history_visibility)
}),
Some(Ok(HistoryVisibility::WorldReadable))
) {
return Err(Error::BadRequest(
ErrorKind::Forbidden,
"You don't have permission to view the room state.",
));
}
}
let event = db
.rooms