164 lines
4.9 KiB
Rust
164 lines
4.9 KiB
Rust
use crate::{database::DatabaseGuard, ConduitResult, Database, Error, Ruma};
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use regex::Regex;
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use ruma::{
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api::{
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appservice,
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client::{
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error::ErrorKind,
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r0::alias::{create_alias, delete_alias, get_alias},
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},
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federation,
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},
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RoomAliasId,
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};
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#[cfg(feature = "conduit_bin")]
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use rocket::{delete, get, put};
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/// # `PUT /_matrix/client/r0/directory/room/{roomAlias}`
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///
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/// Creates a new room alias on this server.
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#[cfg_attr(
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feature = "conduit_bin",
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put("/_matrix/client/r0/directory/room/<_>", data = "<body>")
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)]
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#[tracing::instrument(skip(db, body))]
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pub async fn create_alias_route(
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db: DatabaseGuard,
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body: Ruma<create_alias::Request<'_>>,
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) -> ConduitResult<create_alias::Response> {
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if body.room_alias.server_name() != db.globals.server_name() {
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return Err(Error::BadRequest(
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ErrorKind::InvalidParam,
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"Alias is from another server.",
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));
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}
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if db.rooms.id_from_alias(&body.room_alias)?.is_some() {
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return Err(Error::Conflict("Alias already exists."));
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}
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db.rooms
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.set_alias(&body.room_alias, Some(&body.room_id), &db.globals)?;
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db.flush()?;
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Ok(create_alias::Response::new().into())
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}
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/// # `DELETE /_matrix/client/r0/directory/room/{roomAlias}`
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///
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/// Deletes a room alias from this server.
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///
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/// - TODO: additional access control checks
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/// - TODO: Update canonical alias event
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#[cfg_attr(
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feature = "conduit_bin",
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delete("/_matrix/client/r0/directory/room/<_>", data = "<body>")
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)]
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#[tracing::instrument(skip(db, body))]
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pub async fn delete_alias_route(
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db: DatabaseGuard,
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body: Ruma<delete_alias::Request<'_>>,
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) -> ConduitResult<delete_alias::Response> {
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if body.room_alias.server_name() != db.globals.server_name() {
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return Err(Error::BadRequest(
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ErrorKind::InvalidParam,
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"Alias is from another server.",
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));
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}
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db.rooms.set_alias(&body.room_alias, None, &db.globals)?;
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// TODO: update alt_aliases?
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db.flush()?;
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Ok(delete_alias::Response::new().into())
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}
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/// # `GET /_matrix/client/r0/directory/room/{roomAlias}`
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///
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/// Resolve an alias locally or over federation.
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///
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/// - TODO: Suggest more servers to join via
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#[cfg_attr(
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feature = "conduit_bin",
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get("/_matrix/client/r0/directory/room/<_>", data = "<body>")
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)]
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#[tracing::instrument(skip(db, body))]
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pub async fn get_alias_route(
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db: DatabaseGuard,
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body: Ruma<get_alias::Request<'_>>,
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) -> ConduitResult<get_alias::Response> {
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get_alias_helper(&db, &body.room_alias).await
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}
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pub(crate) async fn get_alias_helper(
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db: &Database,
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room_alias: &RoomAliasId,
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) -> ConduitResult<get_alias::Response> {
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if room_alias.server_name() != db.globals.server_name() {
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let response = db
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.sending
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.send_federation_request(
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&db.globals,
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room_alias.server_name(),
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federation::query::get_room_information::v1::Request { room_alias },
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)
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.await?;
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return Ok(get_alias::Response::new(response.room_id, response.servers).into());
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}
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let mut room_id = None;
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match db.rooms.id_from_alias(room_alias)? {
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Some(r) => room_id = Some(r),
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None => {
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for (_id, registration) in db.appservice.all()? {
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let aliases = registration
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.get("namespaces")
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.and_then(|ns| ns.get("aliases"))
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.and_then(|aliases| aliases.as_sequence())
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.map_or_else(Vec::new, |aliases| {
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aliases
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.iter()
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.filter_map(|aliases| Regex::new(aliases.get("regex")?.as_str()?).ok())
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.collect::<Vec<_>>()
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});
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if aliases
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.iter()
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.any(|aliases| aliases.is_match(room_alias.as_str()))
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&& db
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.sending
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.send_appservice_request(
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&db.globals,
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registration,
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appservice::query::query_room_alias::v1::Request { room_alias },
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)
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.await
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.is_ok()
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{
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room_id = Some(db.rooms.id_from_alias(room_alias)?.ok_or_else(|| {
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Error::bad_config("Appservice lied to us. Room does not exist.")
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})?);
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break;
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}
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}
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}
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};
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let room_id = match room_id {
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Some(room_id) => room_id,
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None => {
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return Err(Error::BadRequest(
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ErrorKind::NotFound,
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"Room with alias not found.",
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))
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}
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};
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Ok(get_alias::Response::new(room_id, vec![db.globals.server_name().to_owned()]).into())
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}
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