continuwuity/src/api/client_server/user_directory.rs
2022-10-10 14:02:00 +02:00

90 lines
2.9 KiB
Rust

use crate::{Result, Ruma, services};
use ruma::{
api::client::user_directory::search_users,
events::{
room::join_rules::{JoinRule, RoomJoinRulesEventContent},
StateEventType,
},
};
/// # `POST /_matrix/client/r0/user_directory/search`
///
/// Searches all known users for a match.
///
/// - Hides any local users that aren't in any public rooms (i.e. those that have the join rule set to public)
/// and don't share a room with the sender
pub async fn search_users_route(
body: Ruma<search_users::v3::IncomingRequest>,
) -> Result<search_users::v3::Response> {
let sender_user = body.sender_user.as_ref().expect("user is authenticated");
let limit = u64::from(body.limit) as usize;
let mut users = services().users.iter().filter_map(|user_id| {
// Filter out buggy users (they should not exist, but you never know...)
let user_id = user_id.ok()?;
let user = search_users::v3::User {
user_id: user_id.clone(),
display_name: services().users.displayname(&user_id).ok()?,
avatar_url: services().users.avatar_url(&user_id).ok()?,
};
let user_id_matches = user
.user_id
.to_string()
.to_lowercase()
.contains(&body.search_term.to_lowercase());
let user_displayname_matches = user
.display_name
.as_ref()
.filter(|name| {
name.to_lowercase()
.contains(&body.search_term.to_lowercase())
})
.is_some();
if !user_id_matches && !user_displayname_matches {
return None;
}
let user_is_in_public_rooms =
services().rooms
.state_cache.rooms_joined(&user_id)
.filter_map(|r| r.ok())
.any(|room| {
services().rooms
.state_accessor.room_state_get(&room, &StateEventType::RoomJoinRules, "")
.map_or(false, |event| {
event.map_or(false, |event| {
serde_json::from_str(event.content.get())
.map_or(false, |r: RoomJoinRulesEventContent| {
r.join_rule == JoinRule::Public
})
})
})
});
if user_is_in_public_rooms {
return Some(user);
}
let user_is_in_shared_rooms = services()
.rooms
.user.get_shared_rooms(vec![sender_user.clone(), user_id.clone()])
.ok()?
.next()
.is_some();
if user_is_in_shared_rooms {
return Some(user);
}
None
});
let results = users.by_ref().take(limit).collect();
let limited = users.next().is_some();
Ok(search_users::v3::Response { results, limited })
}