96 lines
2.5 KiB
Rust
96 lines
2.5 KiB
Rust
use axum::extract::State;
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use conduit::utils::TryFutureExtExt;
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use futures::{pin_mut, StreamExt};
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use ruma::{
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api::client::user_directory::search_users,
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events::{
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room::join_rules::{JoinRule, RoomJoinRulesEventContent},
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StateEventType,
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},
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};
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use crate::{Result, Ruma};
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/// # `POST /_matrix/client/r0/user_directory/search`
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///
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/// Searches all known users for a match.
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///
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/// - Hides any local users that aren't in any public rooms (i.e. those that
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/// have the join rule set to public) and don't share a room with the sender
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pub(crate) async fn search_users_route(
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State(services): State<crate::State>, body: Ruma<search_users::v3::Request>,
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) -> Result<search_users::v3::Response> {
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let sender_user = body.sender_user.as_ref().expect("user is authenticated");
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let limit = usize::try_from(body.limit).map_or(10, usize::from).min(100); // default limit is 10
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let users = services.users.stream().filter_map(|user_id| async {
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// Filter out buggy users (they should not exist, but you never know...)
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let user = search_users::v3::User {
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user_id: user_id.to_owned(),
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display_name: services.users.displayname(user_id).await.ok(),
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avatar_url: services.users.avatar_url(user_id).await.ok(),
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};
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let user_id_matches = user
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.user_id
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.to_string()
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.to_lowercase()
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.contains(&body.search_term.to_lowercase());
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let user_displayname_matches = user
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.display_name
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.as_ref()
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.filter(|name| {
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name.to_lowercase()
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.contains(&body.search_term.to_lowercase())
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})
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.is_some();
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if !user_id_matches && !user_displayname_matches {
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return None;
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}
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// It's a matching user, but is the sender allowed to see them?
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let mut user_visible = false;
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let user_is_in_public_rooms = services
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.rooms
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.state_cache
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.rooms_joined(&user.user_id)
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.any(|room| {
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services
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.rooms
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.state_accessor
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.room_state_get_content::<RoomJoinRulesEventContent>(room, &StateEventType::RoomJoinRules, "")
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.map_ok_or(false, |content| content.join_rule == JoinRule::Public)
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})
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.await;
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if user_is_in_public_rooms {
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user_visible = true;
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} else {
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let user_is_in_shared_rooms = services
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.rooms
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.state_cache
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.user_sees_user(sender_user, &user.user_id)
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.await;
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if user_is_in_shared_rooms {
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user_visible = true;
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}
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}
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user_visible.then_some(user)
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});
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pin_mut!(users);
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let limited = users.by_ref().next().await.is_some();
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let results = users.take(limit).collect().await;
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Ok(search_users::v3::Response {
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results,
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limited,
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})
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}
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