diffuse get_alias_helper into services::rooms::alias

Signed-off-by: Jason Volk <jason@zemos.net>
This commit is contained in:
Jason Volk 2024-06-23 02:55:00 +00:00
parent 96a16190c5
commit fa02d7b7e3
6 changed files with 204 additions and 171 deletions

View file

@ -1,22 +1,14 @@
use rand::seq::SliceRandom;
use ruma::{
api::{
appservice,
client::{
alias::{create_alias, delete_alias, get_alias},
error::ErrorKind,
},
federation,
api::client::{
alias::{create_alias, delete_alias, get_alias},
error::ErrorKind,
},
OwnedRoomAliasId, OwnedServerName, RoomAliasId, RoomId,
OwnedServerName, RoomAliasId, RoomId,
};
use tracing::debug;
use crate::{
debug_info, debug_warn,
service::{appservice::RegistrationInfo, server_is_ours},
services, Error, Result, Ruma,
};
use crate::{service::server_is_ours, services, Error, Result, Ruma};
/// # `PUT /_matrix/client/v3/directory/room/{roomAlias}`
///
@ -24,7 +16,7 @@ use crate::{
pub(crate) async fn create_alias_route(body: Ruma<create_alias::v3::Request>) -> Result<create_alias::v3::Response> {
let sender_user = body.sender_user.as_ref().expect("user is authenticated");
alias_checks(&body.room_alias, &body.appservice_info).await?;
service::rooms::alias::appservice_checks(&body.room_alias, &body.appservice_info).await?;
// this isn't apart of alias_checks or delete alias route because we should
// allow removing forbidden room aliases
@ -61,7 +53,7 @@ pub(crate) async fn create_alias_route(body: Ruma<create_alias::v3::Request>) ->
pub(crate) async fn delete_alias_route(body: Ruma<delete_alias::v3::Request>) -> Result<delete_alias::v3::Response> {
let sender_user = body.sender_user.as_ref().expect("user is authenticated");
alias_checks(&body.room_alias, &body.appservice_info).await?;
service::rooms::alias::appservice_checks(&body.room_alias, &body.appservice_info).await?;
if services()
.rooms
@ -87,124 +79,20 @@ pub(crate) async fn delete_alias_route(body: Ruma<delete_alias::v3::Request>) ->
///
/// Resolve an alias locally or over federation.
pub(crate) async fn get_alias_route(body: Ruma<get_alias::v3::Request>) -> Result<get_alias::v3::Response> {
get_alias_helper(body.body.room_alias, None).await
}
let room_alias = body.body.room_alias;
let servers = None;
pub async fn get_alias_helper(
room_alias: OwnedRoomAliasId, servers: Option<Vec<OwnedServerName>>,
) -> Result<get_alias::v3::Response> {
debug!("get_alias_helper servers: {servers:?}");
if !server_is_ours(room_alias.server_name())
&& (!servers
.as_ref()
.is_some_and(|servers| servers.contains(&services().globals.server_name().to_owned()))
|| servers.as_ref().is_none())
{
let mut response = services()
.sending
.send_federation_request(
room_alias.server_name(),
federation::query::get_room_information::v1::Request {
room_alias: room_alias.clone(),
},
)
.await;
debug!("room alias server_name get_alias_helper response: {response:?}");
if let Err(ref e) = response {
debug_info!(
"Server {} of the original room alias failed to assist in resolving room alias: {e}",
room_alias.server_name()
);
}
if response.as_ref().is_ok_and(|resp| resp.servers.is_empty()) || response.as_ref().is_err() {
if let Some(servers) = servers {
for server in servers {
response = services()
.sending
.send_federation_request(
&server,
federation::query::get_room_information::v1::Request {
room_alias: room_alias.clone(),
},
)
.await;
debug!("Got response from server {server} for room aliases: {response:?}");
if let Ok(ref response) = response {
if !response.servers.is_empty() {
break;
}
debug_warn!(
"Server {server} responded with room aliases, but was empty? Response: {response:?}"
);
}
}
}
}
if let Ok(response) = response {
let room_id = response.room_id;
let mut pre_servers = response.servers;
// since the room alis server responded, insert it into the list
pre_servers.push(room_alias.server_name().into());
let servers = room_available_servers(&room_id, &room_alias, &Some(pre_servers));
debug!(
"room alias servers from federation response for room ID {room_id} and room alias {room_alias}: \
{servers:?}"
);
return Ok(get_alias::v3::Response::new(room_id, servers));
}
return Err(Error::BadRequest(
ErrorKind::NotFound,
"No servers could assist in resolving the room alias",
));
}
let mut room_id = None;
match services().rooms.alias.resolve_local_alias(&room_alias)? {
Some(r) => room_id = Some(r),
None => {
for appservice in services().appservice.read().await.values() {
if appservice.aliases.is_match(room_alias.as_str())
&& matches!(
services()
.sending
.send_appservice_request(
appservice.registration.clone(),
appservice::query::query_room_alias::v1::Request {
room_alias: room_alias.clone(),
},
)
.await,
Ok(Some(_opt_result))
) {
room_id = Some(
services()
.rooms
.alias
.resolve_local_alias(&room_alias)?
.ok_or_else(|| Error::bad_config("Room does not exist."))?,
);
break;
}
}
},
};
let Some(room_id) = room_id else {
let Ok((room_id, pre_servers)) = services()
.rooms
.alias
.resolve_alias(&room_alias, servers.as_ref())
.await
else {
return Err(Error::BadRequest(ErrorKind::NotFound, "Room with alias not found."));
};
let servers = room_available_servers(&room_id, &room_alias, &None);
debug!("room alias servers for room ID {room_id} and room alias {room_alias}");
let servers = room_available_servers(&room_id, &room_alias, &pre_servers);
debug!(?room_alias, ?room_id, "available servers: {servers:?}");
Ok(get_alias::v3::Response::new(room_id, servers))
}
@ -250,19 +138,3 @@ fn room_available_servers(
servers
}
async fn alias_checks(room_alias: &RoomAliasId, appservice_info: &Option<RegistrationInfo>) -> Result<()> {
if !server_is_ours(room_alias.server_name()) {
return Err(Error::BadRequest(ErrorKind::InvalidParam, "Alias is from another server."));
}
if let Some(ref info) = appservice_info {
if !info.aliases.is_match(room_alias.as_str()) {
return Err(Error::BadRequest(ErrorKind::Exclusive, "Room alias is not in namespace."));
}
} else if services().appservice.is_exclusive_alias(room_alias).await {
return Err(Error::BadRequest(ErrorKind::Exclusive, "Room alias reserved by appservice."));
}
Ok(())
}

View file

@ -36,7 +36,6 @@ use serde_json::value::{to_raw_value, RawValue as RawJsonValue};
use tokio::sync::RwLock;
use tracing::{debug, error, info, trace, warn};
use super::get_alias_helper;
use crate::{
client::{update_avatar_url, update_displayname},
service::{
@ -259,17 +258,24 @@ pub(crate) async fn join_room_by_id_or_alias_route(
(servers, room_id)
},
Err(room_alias) => {
let response = get_alias_helper(room_alias.clone(), Some(body.server_name.clone())).await?;
let response = services()
.rooms
.alias
.resolve_alias(&room_alias, Some(&body.server_name.clone()))
.await?;
let (room_id, mut pre_servers) = response;
banned_room_check(sender_user, Some(&response.room_id), Some(room_alias.server_name()), client).await?;
banned_room_check(sender_user, Some(&room_id), Some(room_alias.server_name()), client).await?;
let mut servers = body.server_name;
servers.extend(response.servers);
if let Some(pre_servers) = &mut pre_servers {
servers.append(pre_servers);
}
servers.extend(
services()
.rooms
.state_cache
.servers_invite_via(&response.room_id)
.servers_invite_via(&room_id)
.filter_map(Result::ok),
);
@ -277,7 +283,7 @@ pub(crate) async fn join_room_by_id_or_alias_route(
services()
.rooms
.state_cache
.invite_state(sender_user, &response.room_id)?
.invite_state(sender_user, &room_id)?
.unwrap_or_default()
.iter()
.filter_map(|event| serde_json::from_str(event.json().get()).ok())
@ -287,7 +293,7 @@ pub(crate) async fn join_room_by_id_or_alias_route(
.map(|user| user.server_name().to_owned()),
);
(servers, response.room_id)
(servers, room_id)
},
};

View file

@ -35,7 +35,6 @@ pub(super) mod user_directory;
pub(super) mod voip;
pub(super) use account::*;
pub use alias::get_alias_helper;
pub(super) use alias::*;
pub(super) use backup::*;
pub(super) use capabilities::*;