1mod connection_pool;
2
3use crate::{
4 auth,
5 db::{
6 self, dev_server, BufferId, Capability, Channel, ChannelId, ChannelRole, ChannelsForUser,
7 CreatedChannelMessage, Database, DevServerId, DevServerProjectId, InviteMemberResult,
8 MembershipUpdated, MessageId, NotificationId, PrincipalId, Project, ProjectId,
9 RejoinedProject, RemoveChannelMemberResult, ReplicaId, RespondToChannelInvite, RoomId,
10 ServerId, UpdatedChannelMessage, User, UserId,
11 },
12 executor::Executor,
13 AppState, Error, RateLimit, RateLimiter, Result,
14};
15use anyhow::{anyhow, Context as _};
16use async_tungstenite::tungstenite::{
17 protocol::CloseFrame as TungsteniteCloseFrame, Message as TungsteniteMessage,
18};
19use axum::{
20 body::Body,
21 extract::{
22 ws::{CloseFrame as AxumCloseFrame, Message as AxumMessage},
23 ConnectInfo, WebSocketUpgrade,
24 },
25 headers::{Header, HeaderName},
26 http::StatusCode,
27 middleware,
28 response::IntoResponse,
29 routing::get,
30 Extension, Router, TypedHeader,
31};
32use collections::{HashMap, HashSet};
33pub use connection_pool::{ConnectionPool, ZedVersion};
34use core::fmt::{self, Debug, Formatter};
35use open_ai::{OpenAiEmbeddingModel, OPEN_AI_API_URL};
36use sha2::Digest;
37use supermaven_api::{CreateExternalUserRequest, SupermavenAdminApi};
38
39use futures::{
40 channel::oneshot,
41 future::{self, BoxFuture},
42 stream::FuturesUnordered,
43 FutureExt, SinkExt, StreamExt, TryStreamExt,
44};
45use http::IsahcHttpClient;
46use prometheus::{register_int_gauge, IntGauge};
47use rpc::{
48 proto::{
49 self, Ack, AnyTypedEnvelope, EntityMessage, EnvelopedMessage, LanguageModelRole,
50 LiveKitConnectionInfo, RequestMessage, ShareProject, UpdateChannelBufferCollaborators,
51 },
52 Connection, ConnectionId, ErrorCode, ErrorCodeExt, ErrorExt, Peer, Receipt, TypedEnvelope,
53};
54use semantic_version::SemanticVersion;
55use serde::{Serialize, Serializer};
56use std::{
57 any::TypeId,
58 future::Future,
59 marker::PhantomData,
60 mem,
61 net::SocketAddr,
62 ops::{Deref, DerefMut},
63 rc::Rc,
64 sync::{
65 atomic::{AtomicBool, Ordering::SeqCst},
66 Arc, OnceLock,
67 },
68 time::{Duration, Instant},
69};
70use time::OffsetDateTime;
71use tokio::sync::{watch, Semaphore};
72use tower::ServiceBuilder;
73use tracing::{
74 field::{self},
75 info_span, instrument, Instrument,
76};
77
78use self::connection_pool::VersionedMessage;
79
80pub const RECONNECT_TIMEOUT: Duration = Duration::from_secs(30);
81
82// kubernetes gives terminated pods 10s to shutdown gracefully. After they're gone, we can clean up old resources.
83pub const CLEANUP_TIMEOUT: Duration = Duration::from_secs(15);
84
85const MESSAGE_COUNT_PER_PAGE: usize = 100;
86const MAX_MESSAGE_LEN: usize = 1024;
87const NOTIFICATION_COUNT_PER_PAGE: usize = 50;
88
89type MessageHandler =
90 Box<dyn Send + Sync + Fn(Box<dyn AnyTypedEnvelope>, Session) -> BoxFuture<'static, ()>>;
91
92struct Response<R> {
93 peer: Arc<Peer>,
94 receipt: Receipt<R>,
95 responded: Arc<AtomicBool>,
96}
97
98impl<R: RequestMessage> Response<R> {
99 fn send(self, payload: R::Response) -> Result<()> {
100 self.responded.store(true, SeqCst);
101 self.peer.respond(self.receipt, payload)?;
102 Ok(())
103 }
104}
105
106struct StreamingResponse<R: RequestMessage> {
107 peer: Arc<Peer>,
108 receipt: Receipt<R>,
109}
110
111impl<R: RequestMessage> StreamingResponse<R> {
112 fn send(&self, payload: R::Response) -> Result<()> {
113 self.peer.respond(self.receipt, payload)?;
114 Ok(())
115 }
116}
117
118#[derive(Clone, Debug)]
119pub enum Principal {
120 User(User),
121 Impersonated { user: User, admin: User },
122 DevServer(dev_server::Model),
123}
124
125impl Principal {
126 fn update_span(&self, span: &tracing::Span) {
127 match &self {
128 Principal::User(user) => {
129 span.record("user_id", &user.id.0);
130 span.record("login", &user.github_login);
131 }
132 Principal::Impersonated { user, admin } => {
133 span.record("user_id", &user.id.0);
134 span.record("login", &user.github_login);
135 span.record("impersonator", &admin.github_login);
136 }
137 Principal::DevServer(dev_server) => {
138 span.record("dev_server_id", &dev_server.id.0);
139 }
140 }
141 }
142}
143
144#[derive(Clone)]
145struct Session {
146 principal: Principal,
147 connection_id: ConnectionId,
148 db: Arc<tokio::sync::Mutex<DbHandle>>,
149 peer: Arc<Peer>,
150 connection_pool: Arc<parking_lot::Mutex<ConnectionPool>>,
151 live_kit_client: Option<Arc<dyn live_kit_server::api::Client>>,
152 supermaven_client: Option<Arc<SupermavenAdminApi>>,
153 http_client: Arc<IsahcHttpClient>,
154 rate_limiter: Arc<RateLimiter>,
155 _executor: Executor,
156}
157
158impl Session {
159 async fn db(&self) -> tokio::sync::MutexGuard<DbHandle> {
160 #[cfg(test)]
161 tokio::task::yield_now().await;
162 let guard = self.db.lock().await;
163 #[cfg(test)]
164 tokio::task::yield_now().await;
165 guard
166 }
167
168 async fn connection_pool(&self) -> ConnectionPoolGuard<'_> {
169 #[cfg(test)]
170 tokio::task::yield_now().await;
171 let guard = self.connection_pool.lock();
172 ConnectionPoolGuard {
173 guard,
174 _not_send: PhantomData,
175 }
176 }
177
178 fn for_user(self) -> Option<UserSession> {
179 UserSession::new(self)
180 }
181
182 fn for_dev_server(self) -> Option<DevServerSession> {
183 DevServerSession::new(self)
184 }
185
186 fn user_id(&self) -> Option<UserId> {
187 match &self.principal {
188 Principal::User(user) => Some(user.id),
189 Principal::Impersonated { user, .. } => Some(user.id),
190 Principal::DevServer(_) => None,
191 }
192 }
193
194 fn is_staff(&self) -> bool {
195 match &self.principal {
196 Principal::User(user) => user.admin,
197 Principal::Impersonated { .. } => true,
198 Principal::DevServer(_) => false,
199 }
200 }
201
202 fn dev_server_id(&self) -> Option<DevServerId> {
203 match &self.principal {
204 Principal::User(_) | Principal::Impersonated { .. } => None,
205 Principal::DevServer(dev_server) => Some(dev_server.id),
206 }
207 }
208
209 fn principal_id(&self) -> PrincipalId {
210 match &self.principal {
211 Principal::User(user) => PrincipalId::UserId(user.id),
212 Principal::Impersonated { user, .. } => PrincipalId::UserId(user.id),
213 Principal::DevServer(dev_server) => PrincipalId::DevServerId(dev_server.id),
214 }
215 }
216}
217
218impl Debug for Session {
219 fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
220 let mut result = f.debug_struct("Session");
221 match &self.principal {
222 Principal::User(user) => {
223 result.field("user", &user.github_login);
224 }
225 Principal::Impersonated { user, admin } => {
226 result.field("user", &user.github_login);
227 result.field("impersonator", &admin.github_login);
228 }
229 Principal::DevServer(dev_server) => {
230 result.field("dev_server", &dev_server.id);
231 }
232 }
233 result.field("connection_id", &self.connection_id).finish()
234 }
235}
236
237struct UserSession(Session);
238
239impl UserSession {
240 pub fn new(s: Session) -> Option<Self> {
241 s.user_id().map(|_| UserSession(s))
242 }
243 pub fn user_id(&self) -> UserId {
244 self.0.user_id().unwrap()
245 }
246
247 pub fn email(&self) -> Option<String> {
248 match &self.0.principal {
249 Principal::User(user) => user.email_address.clone(),
250 Principal::Impersonated { user, .. } => user.email_address.clone(),
251 Principal::DevServer(..) => None,
252 }
253 }
254}
255
256impl Deref for UserSession {
257 type Target = Session;
258
259 fn deref(&self) -> &Self::Target {
260 &self.0
261 }
262}
263impl DerefMut for UserSession {
264 fn deref_mut(&mut self) -> &mut Self::Target {
265 &mut self.0
266 }
267}
268
269struct DevServerSession(Session);
270
271impl DevServerSession {
272 pub fn new(s: Session) -> Option<Self> {
273 s.dev_server_id().map(|_| DevServerSession(s))
274 }
275 pub fn dev_server_id(&self) -> DevServerId {
276 self.0.dev_server_id().unwrap()
277 }
278
279 fn dev_server(&self) -> &dev_server::Model {
280 match &self.0.principal {
281 Principal::DevServer(dev_server) => dev_server,
282 _ => unreachable!(),
283 }
284 }
285}
286
287impl Deref for DevServerSession {
288 type Target = Session;
289
290 fn deref(&self) -> &Self::Target {
291 &self.0
292 }
293}
294impl DerefMut for DevServerSession {
295 fn deref_mut(&mut self) -> &mut Self::Target {
296 &mut self.0
297 }
298}
299
300fn user_handler<M: RequestMessage, Fut>(
301 handler: impl 'static + Send + Sync + Fn(M, Response<M>, UserSession) -> Fut,
302) -> impl 'static + Send + Sync + Fn(M, Response<M>, Session) -> BoxFuture<'static, Result<()>>
303where
304 Fut: Send + Future<Output = Result<()>>,
305{
306 let handler = Arc::new(handler);
307 move |message, response, session| {
308 let handler = handler.clone();
309 Box::pin(async move {
310 if let Some(user_session) = session.for_user() {
311 Ok(handler(message, response, user_session).await?)
312 } else {
313 Err(Error::Internal(anyhow!(
314 "must be a user to call {}",
315 M::NAME
316 )))
317 }
318 })
319 }
320}
321
322fn dev_server_handler<M: RequestMessage, Fut>(
323 handler: impl 'static + Send + Sync + Fn(M, Response<M>, DevServerSession) -> Fut,
324) -> impl 'static + Send + Sync + Fn(M, Response<M>, Session) -> BoxFuture<'static, Result<()>>
325where
326 Fut: Send + Future<Output = Result<()>>,
327{
328 let handler = Arc::new(handler);
329 move |message, response, session| {
330 let handler = handler.clone();
331 Box::pin(async move {
332 if let Some(dev_server_session) = session.for_dev_server() {
333 Ok(handler(message, response, dev_server_session).await?)
334 } else {
335 Err(Error::Internal(anyhow!(
336 "must be a dev server to call {}",
337 M::NAME
338 )))
339 }
340 })
341 }
342}
343
344fn user_message_handler<M: EnvelopedMessage, InnertRetFut>(
345 handler: impl 'static + Send + Sync + Fn(M, UserSession) -> InnertRetFut,
346) -> impl 'static + Send + Sync + Fn(M, Session) -> BoxFuture<'static, Result<()>>
347where
348 InnertRetFut: Send + Future<Output = Result<()>>,
349{
350 let handler = Arc::new(handler);
351 move |message, session| {
352 let handler = handler.clone();
353 Box::pin(async move {
354 if let Some(user_session) = session.for_user() {
355 Ok(handler(message, user_session).await?)
356 } else {
357 Err(Error::Internal(anyhow!(
358 "must be a user to call {}",
359 M::NAME
360 )))
361 }
362 })
363 }
364}
365
366struct DbHandle(Arc<Database>);
367
368impl Deref for DbHandle {
369 type Target = Database;
370
371 fn deref(&self) -> &Self::Target {
372 self.0.as_ref()
373 }
374}
375
376pub struct Server {
377 id: parking_lot::Mutex<ServerId>,
378 peer: Arc<Peer>,
379 pub(crate) connection_pool: Arc<parking_lot::Mutex<ConnectionPool>>,
380 app_state: Arc<AppState>,
381 handlers: HashMap<TypeId, MessageHandler>,
382 teardown: watch::Sender<bool>,
383}
384
385pub(crate) struct ConnectionPoolGuard<'a> {
386 guard: parking_lot::MutexGuard<'a, ConnectionPool>,
387 _not_send: PhantomData<Rc<()>>,
388}
389
390#[derive(Serialize)]
391pub struct ServerSnapshot<'a> {
392 peer: &'a Peer,
393 #[serde(serialize_with = "serialize_deref")]
394 connection_pool: ConnectionPoolGuard<'a>,
395}
396
397pub fn serialize_deref<S, T, U>(value: &T, serializer: S) -> Result<S::Ok, S::Error>
398where
399 S: Serializer,
400 T: Deref<Target = U>,
401 U: Serialize,
402{
403 Serialize::serialize(value.deref(), serializer)
404}
405
406impl Server {
407 pub fn new(id: ServerId, app_state: Arc<AppState>) -> Arc<Self> {
408 let mut server = Self {
409 id: parking_lot::Mutex::new(id),
410 peer: Peer::new(id.0 as u32),
411 app_state: app_state.clone(),
412 connection_pool: Default::default(),
413 handlers: Default::default(),
414 teardown: watch::channel(false).0,
415 };
416
417 server
418 .add_request_handler(ping)
419 .add_request_handler(user_handler(create_room))
420 .add_request_handler(user_handler(join_room))
421 .add_request_handler(user_handler(rejoin_room))
422 .add_request_handler(user_handler(leave_room))
423 .add_request_handler(user_handler(set_room_participant_role))
424 .add_request_handler(user_handler(call))
425 .add_request_handler(user_handler(cancel_call))
426 .add_message_handler(user_message_handler(decline_call))
427 .add_request_handler(user_handler(update_participant_location))
428 .add_request_handler(user_handler(share_project))
429 .add_message_handler(unshare_project)
430 .add_request_handler(user_handler(join_project))
431 .add_request_handler(user_handler(join_hosted_project))
432 .add_request_handler(user_handler(rejoin_dev_server_projects))
433 .add_request_handler(user_handler(create_dev_server_project))
434 .add_request_handler(user_handler(delete_dev_server_project))
435 .add_request_handler(user_handler(create_dev_server))
436 .add_request_handler(user_handler(regenerate_dev_server_token))
437 .add_request_handler(user_handler(rename_dev_server))
438 .add_request_handler(user_handler(delete_dev_server))
439 .add_request_handler(dev_server_handler(share_dev_server_project))
440 .add_request_handler(dev_server_handler(shutdown_dev_server))
441 .add_request_handler(dev_server_handler(reconnect_dev_server))
442 .add_message_handler(user_message_handler(leave_project))
443 .add_request_handler(update_project)
444 .add_request_handler(update_worktree)
445 .add_message_handler(start_language_server)
446 .add_message_handler(update_language_server)
447 .add_message_handler(update_diagnostic_summary)
448 .add_message_handler(update_worktree_settings)
449 .add_request_handler(user_handler(
450 forward_read_only_project_request::<proto::GetHover>,
451 ))
452 .add_request_handler(user_handler(
453 forward_read_only_project_request::<proto::GetDefinition>,
454 ))
455 .add_request_handler(user_handler(
456 forward_read_only_project_request::<proto::GetTypeDefinition>,
457 ))
458 .add_request_handler(user_handler(
459 forward_read_only_project_request::<proto::GetReferences>,
460 ))
461 .add_request_handler(user_handler(
462 forward_read_only_project_request::<proto::SearchProject>,
463 ))
464 .add_request_handler(user_handler(
465 forward_read_only_project_request::<proto::GetDocumentHighlights>,
466 ))
467 .add_request_handler(user_handler(
468 forward_read_only_project_request::<proto::GetProjectSymbols>,
469 ))
470 .add_request_handler(user_handler(
471 forward_read_only_project_request::<proto::OpenBufferForSymbol>,
472 ))
473 .add_request_handler(user_handler(
474 forward_read_only_project_request::<proto::OpenBufferById>,
475 ))
476 .add_request_handler(user_handler(
477 forward_read_only_project_request::<proto::SynchronizeBuffers>,
478 ))
479 .add_request_handler(user_handler(
480 forward_read_only_project_request::<proto::InlayHints>,
481 ))
482 .add_request_handler(user_handler(
483 forward_read_only_project_request::<proto::OpenBufferByPath>,
484 ))
485 .add_request_handler(user_handler(
486 forward_mutating_project_request::<proto::GetCompletions>,
487 ))
488 .add_request_handler(user_handler(
489 forward_mutating_project_request::<proto::ApplyCompletionAdditionalEdits>,
490 ))
491 .add_request_handler(user_handler(
492 forward_versioned_mutating_project_request::<proto::OpenNewBuffer>,
493 ))
494 .add_request_handler(user_handler(
495 forward_mutating_project_request::<proto::ResolveCompletionDocumentation>,
496 ))
497 .add_request_handler(user_handler(
498 forward_mutating_project_request::<proto::GetCodeActions>,
499 ))
500 .add_request_handler(user_handler(
501 forward_mutating_project_request::<proto::ApplyCodeAction>,
502 ))
503 .add_request_handler(user_handler(
504 forward_mutating_project_request::<proto::PrepareRename>,
505 ))
506 .add_request_handler(user_handler(
507 forward_mutating_project_request::<proto::PerformRename>,
508 ))
509 .add_request_handler(user_handler(
510 forward_mutating_project_request::<proto::ReloadBuffers>,
511 ))
512 .add_request_handler(user_handler(
513 forward_mutating_project_request::<proto::FormatBuffers>,
514 ))
515 .add_request_handler(user_handler(
516 forward_mutating_project_request::<proto::CreateProjectEntry>,
517 ))
518 .add_request_handler(user_handler(
519 forward_mutating_project_request::<proto::RenameProjectEntry>,
520 ))
521 .add_request_handler(user_handler(
522 forward_mutating_project_request::<proto::CopyProjectEntry>,
523 ))
524 .add_request_handler(user_handler(
525 forward_mutating_project_request::<proto::DeleteProjectEntry>,
526 ))
527 .add_request_handler(user_handler(
528 forward_mutating_project_request::<proto::ExpandProjectEntry>,
529 ))
530 .add_request_handler(user_handler(
531 forward_mutating_project_request::<proto::OnTypeFormatting>,
532 ))
533 .add_request_handler(user_handler(
534 forward_versioned_mutating_project_request::<proto::SaveBuffer>,
535 ))
536 .add_request_handler(user_handler(
537 forward_mutating_project_request::<proto::BlameBuffer>,
538 ))
539 .add_request_handler(user_handler(
540 forward_mutating_project_request::<proto::MultiLspQuery>,
541 ))
542 .add_message_handler(create_buffer_for_peer)
543 .add_request_handler(update_buffer)
544 .add_message_handler(broadcast_project_message_from_host::<proto::RefreshInlayHints>)
545 .add_message_handler(broadcast_project_message_from_host::<proto::UpdateBufferFile>)
546 .add_message_handler(broadcast_project_message_from_host::<proto::BufferReloaded>)
547 .add_message_handler(broadcast_project_message_from_host::<proto::BufferSaved>)
548 .add_message_handler(broadcast_project_message_from_host::<proto::UpdateDiffBase>)
549 .add_request_handler(get_users)
550 .add_request_handler(user_handler(fuzzy_search_users))
551 .add_request_handler(user_handler(request_contact))
552 .add_request_handler(user_handler(remove_contact))
553 .add_request_handler(user_handler(respond_to_contact_request))
554 .add_request_handler(user_handler(create_channel))
555 .add_request_handler(user_handler(delete_channel))
556 .add_request_handler(user_handler(invite_channel_member))
557 .add_request_handler(user_handler(remove_channel_member))
558 .add_request_handler(user_handler(set_channel_member_role))
559 .add_request_handler(user_handler(set_channel_visibility))
560 .add_request_handler(user_handler(rename_channel))
561 .add_request_handler(user_handler(join_channel_buffer))
562 .add_request_handler(user_handler(leave_channel_buffer))
563 .add_message_handler(user_message_handler(update_channel_buffer))
564 .add_request_handler(user_handler(rejoin_channel_buffers))
565 .add_request_handler(user_handler(get_channel_members))
566 .add_request_handler(user_handler(respond_to_channel_invite))
567 .add_request_handler(user_handler(join_channel))
568 .add_request_handler(user_handler(join_channel_chat))
569 .add_message_handler(user_message_handler(leave_channel_chat))
570 .add_request_handler(user_handler(send_channel_message))
571 .add_request_handler(user_handler(remove_channel_message))
572 .add_request_handler(user_handler(update_channel_message))
573 .add_request_handler(user_handler(get_channel_messages))
574 .add_request_handler(user_handler(get_channel_messages_by_id))
575 .add_request_handler(user_handler(get_notifications))
576 .add_request_handler(user_handler(mark_notification_as_read))
577 .add_request_handler(user_handler(move_channel))
578 .add_request_handler(user_handler(follow))
579 .add_message_handler(user_message_handler(unfollow))
580 .add_message_handler(user_message_handler(update_followers))
581 .add_request_handler(user_handler(get_private_user_info))
582 .add_message_handler(user_message_handler(acknowledge_channel_message))
583 .add_message_handler(user_message_handler(acknowledge_buffer_version))
584 .add_request_handler(user_handler(get_supermaven_api_key))
585 .add_streaming_request_handler({
586 let app_state = app_state.clone();
587 move |request, response, session| {
588 complete_with_language_model(
589 request,
590 response,
591 session,
592 app_state.config.openai_api_key.clone(),
593 app_state.config.google_ai_api_key.clone(),
594 app_state.config.anthropic_api_key.clone(),
595 )
596 }
597 })
598 .add_request_handler({
599 let app_state = app_state.clone();
600 user_handler(move |request, response, session| {
601 count_tokens_with_language_model(
602 request,
603 response,
604 session,
605 app_state.config.google_ai_api_key.clone(),
606 )
607 })
608 })
609 .add_request_handler({
610 user_handler(move |request, response, session| {
611 get_cached_embeddings(request, response, session)
612 })
613 })
614 .add_request_handler({
615 let app_state = app_state.clone();
616 user_handler(move |request, response, session| {
617 compute_embeddings(
618 request,
619 response,
620 session,
621 app_state.config.openai_api_key.clone(),
622 )
623 })
624 });
625
626 Arc::new(server)
627 }
628
629 pub async fn start(&self) -> Result<()> {
630 let server_id = *self.id.lock();
631 let app_state = self.app_state.clone();
632 let peer = self.peer.clone();
633 let timeout = self.app_state.executor.sleep(CLEANUP_TIMEOUT);
634 let pool = self.connection_pool.clone();
635 let live_kit_client = self.app_state.live_kit_client.clone();
636
637 let span = info_span!("start server");
638 self.app_state.executor.spawn_detached(
639 async move {
640 tracing::info!("waiting for cleanup timeout");
641 timeout.await;
642 tracing::info!("cleanup timeout expired, retrieving stale rooms");
643 if let Some((room_ids, channel_ids)) = app_state
644 .db
645 .stale_server_resource_ids(&app_state.config.zed_environment, server_id)
646 .await
647 .trace_err()
648 {
649 tracing::info!(stale_room_count = room_ids.len(), "retrieved stale rooms");
650 tracing::info!(
651 stale_channel_buffer_count = channel_ids.len(),
652 "retrieved stale channel buffers"
653 );
654
655 for channel_id in channel_ids {
656 if let Some(refreshed_channel_buffer) = app_state
657 .db
658 .clear_stale_channel_buffer_collaborators(channel_id, server_id)
659 .await
660 .trace_err()
661 {
662 for connection_id in refreshed_channel_buffer.connection_ids {
663 peer.send(
664 connection_id,
665 proto::UpdateChannelBufferCollaborators {
666 channel_id: channel_id.to_proto(),
667 collaborators: refreshed_channel_buffer
668 .collaborators
669 .clone(),
670 },
671 )
672 .trace_err();
673 }
674 }
675 }
676
677 for room_id in room_ids {
678 let mut contacts_to_update = HashSet::default();
679 let mut canceled_calls_to_user_ids = Vec::new();
680 let mut live_kit_room = String::new();
681 let mut delete_live_kit_room = false;
682
683 if let Some(mut refreshed_room) = app_state
684 .db
685 .clear_stale_room_participants(room_id, server_id)
686 .await
687 .trace_err()
688 {
689 tracing::info!(
690 room_id = room_id.0,
691 new_participant_count = refreshed_room.room.participants.len(),
692 "refreshed room"
693 );
694 room_updated(&refreshed_room.room, &peer);
695 if let Some(channel) = refreshed_room.channel.as_ref() {
696 channel_updated(channel, &refreshed_room.room, &peer, &pool.lock());
697 }
698 contacts_to_update
699 .extend(refreshed_room.stale_participant_user_ids.iter().copied());
700 contacts_to_update
701 .extend(refreshed_room.canceled_calls_to_user_ids.iter().copied());
702 canceled_calls_to_user_ids =
703 mem::take(&mut refreshed_room.canceled_calls_to_user_ids);
704 live_kit_room = mem::take(&mut refreshed_room.room.live_kit_room);
705 delete_live_kit_room = refreshed_room.room.participants.is_empty();
706 }
707
708 {
709 let pool = pool.lock();
710 for canceled_user_id in canceled_calls_to_user_ids {
711 for connection_id in pool.user_connection_ids(canceled_user_id) {
712 peer.send(
713 connection_id,
714 proto::CallCanceled {
715 room_id: room_id.to_proto(),
716 },
717 )
718 .trace_err();
719 }
720 }
721 }
722
723 for user_id in contacts_to_update {
724 let busy = app_state.db.is_user_busy(user_id).await.trace_err();
725 let contacts = app_state.db.get_contacts(user_id).await.trace_err();
726 if let Some((busy, contacts)) = busy.zip(contacts) {
727 let pool = pool.lock();
728 let updated_contact = contact_for_user(user_id, busy, &pool);
729 for contact in contacts {
730 if let db::Contact::Accepted {
731 user_id: contact_user_id,
732 ..
733 } = contact
734 {
735 for contact_conn_id in
736 pool.user_connection_ids(contact_user_id)
737 {
738 peer.send(
739 contact_conn_id,
740 proto::UpdateContacts {
741 contacts: vec![updated_contact.clone()],
742 remove_contacts: Default::default(),
743 incoming_requests: Default::default(),
744 remove_incoming_requests: Default::default(),
745 outgoing_requests: Default::default(),
746 remove_outgoing_requests: Default::default(),
747 },
748 )
749 .trace_err();
750 }
751 }
752 }
753 }
754 }
755
756 if let Some(live_kit) = live_kit_client.as_ref() {
757 if delete_live_kit_room {
758 live_kit.delete_room(live_kit_room).await.trace_err();
759 }
760 }
761 }
762 }
763
764 app_state
765 .db
766 .delete_stale_servers(&app_state.config.zed_environment, server_id)
767 .await
768 .trace_err();
769 }
770 .instrument(span),
771 );
772 Ok(())
773 }
774
775 pub fn teardown(&self) {
776 self.peer.teardown();
777 self.connection_pool.lock().reset();
778 let _ = self.teardown.send(true);
779 }
780
781 #[cfg(test)]
782 pub fn reset(&self, id: ServerId) {
783 self.teardown();
784 *self.id.lock() = id;
785 self.peer.reset(id.0 as u32);
786 let _ = self.teardown.send(false);
787 }
788
789 #[cfg(test)]
790 pub fn id(&self) -> ServerId {
791 *self.id.lock()
792 }
793
794 fn add_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
795 where
796 F: 'static + Send + Sync + Fn(TypedEnvelope<M>, Session) -> Fut,
797 Fut: 'static + Send + Future<Output = Result<()>>,
798 M: EnvelopedMessage,
799 {
800 let prev_handler = self.handlers.insert(
801 TypeId::of::<M>(),
802 Box::new(move |envelope, session| {
803 let envelope = envelope.into_any().downcast::<TypedEnvelope<M>>().unwrap();
804 let received_at = envelope.received_at;
805 tracing::info!("message received");
806 let start_time = Instant::now();
807 let future = (handler)(*envelope, session);
808 async move {
809 let result = future.await;
810 let total_duration_ms = received_at.elapsed().as_micros() as f64 / 1000.0;
811 let processing_duration_ms = start_time.elapsed().as_micros() as f64 / 1000.0;
812 let queue_duration_ms = total_duration_ms - processing_duration_ms;
813 let payload_type = M::NAME;
814
815 match result {
816 Err(error) => {
817 tracing::error!(
818 ?error,
819 total_duration_ms,
820 processing_duration_ms,
821 queue_duration_ms,
822 payload_type,
823 "error handling message"
824 )
825 }
826 Ok(()) => tracing::info!(
827 total_duration_ms,
828 processing_duration_ms,
829 queue_duration_ms,
830 "finished handling message"
831 ),
832 }
833 }
834 .boxed()
835 }),
836 );
837 if prev_handler.is_some() {
838 panic!("registered a handler for the same message twice");
839 }
840 self
841 }
842
843 fn add_message_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
844 where
845 F: 'static + Send + Sync + Fn(M, Session) -> Fut,
846 Fut: 'static + Send + Future<Output = Result<()>>,
847 M: EnvelopedMessage,
848 {
849 self.add_handler(move |envelope, session| handler(envelope.payload, session));
850 self
851 }
852
853 fn add_request_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
854 where
855 F: 'static + Send + Sync + Fn(M, Response<M>, Session) -> Fut,
856 Fut: Send + Future<Output = Result<()>>,
857 M: RequestMessage,
858 {
859 let handler = Arc::new(handler);
860 self.add_handler(move |envelope, session| {
861 let receipt = envelope.receipt();
862 let handler = handler.clone();
863 async move {
864 let peer = session.peer.clone();
865 let responded = Arc::new(AtomicBool::default());
866 let response = Response {
867 peer: peer.clone(),
868 responded: responded.clone(),
869 receipt,
870 };
871 match (handler)(envelope.payload, response, session).await {
872 Ok(()) => {
873 if responded.load(std::sync::atomic::Ordering::SeqCst) {
874 Ok(())
875 } else {
876 Err(anyhow!("handler did not send a response"))?
877 }
878 }
879 Err(error) => {
880 let proto_err = match &error {
881 Error::Internal(err) => err.to_proto(),
882 _ => ErrorCode::Internal.message(format!("{}", error)).to_proto(),
883 };
884 peer.respond_with_error(receipt, proto_err)?;
885 Err(error)
886 }
887 }
888 }
889 })
890 }
891
892 fn add_streaming_request_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
893 where
894 F: 'static + Send + Sync + Fn(M, StreamingResponse<M>, Session) -> Fut,
895 Fut: Send + Future<Output = Result<()>>,
896 M: RequestMessage,
897 {
898 let handler = Arc::new(handler);
899 self.add_handler(move |envelope, session| {
900 let receipt = envelope.receipt();
901 let handler = handler.clone();
902 async move {
903 let peer = session.peer.clone();
904 let response = StreamingResponse {
905 peer: peer.clone(),
906 receipt,
907 };
908 match (handler)(envelope.payload, response, session).await {
909 Ok(()) => {
910 peer.end_stream(receipt)?;
911 Ok(())
912 }
913 Err(error) => {
914 let proto_err = match &error {
915 Error::Internal(err) => err.to_proto(),
916 _ => ErrorCode::Internal.message(format!("{}", error)).to_proto(),
917 };
918 peer.respond_with_error(receipt, proto_err)?;
919 Err(error)
920 }
921 }
922 }
923 })
924 }
925
926 #[allow(clippy::too_many_arguments)]
927 pub fn handle_connection(
928 self: &Arc<Self>,
929 connection: Connection,
930 address: String,
931 principal: Principal,
932 zed_version: ZedVersion,
933 send_connection_id: Option<oneshot::Sender<ConnectionId>>,
934 executor: Executor,
935 ) -> impl Future<Output = ()> {
936 let this = self.clone();
937 let span = info_span!("handle connection", %address,
938 connection_id=field::Empty,
939 user_id=field::Empty,
940 login=field::Empty,
941 impersonator=field::Empty,
942 dev_server_id=field::Empty
943 );
944 principal.update_span(&span);
945
946 let mut teardown = self.teardown.subscribe();
947 async move {
948 if *teardown.borrow() {
949 tracing::error!("server is tearing down");
950 return
951 }
952 let (connection_id, handle_io, mut incoming_rx) = this
953 .peer
954 .add_connection(connection, {
955 let executor = executor.clone();
956 move |duration| executor.sleep(duration)
957 });
958 tracing::Span::current().record("connection_id", format!("{}", connection_id));
959 tracing::info!("connection opened");
960
961 let http_client = match IsahcHttpClient::new() {
962 Ok(http_client) => Arc::new(http_client),
963 Err(error) => {
964 tracing::error!(?error, "failed to create HTTP client");
965 return;
966 }
967 };
968
969 let supermaven_client = if let Some(supermaven_admin_api_key) = this.app_state.config.supermaven_admin_api_key.clone() {
970 Some(Arc::new(SupermavenAdminApi::new(
971 supermaven_admin_api_key.to_string(),
972 http_client.clone(),
973 )))
974 } else {
975 None
976 };
977
978 let session = Session {
979 principal: principal.clone(),
980 connection_id,
981 db: Arc::new(tokio::sync::Mutex::new(DbHandle(this.app_state.db.clone()))),
982 peer: this.peer.clone(),
983 connection_pool: this.connection_pool.clone(),
984 live_kit_client: this.app_state.live_kit_client.clone(),
985 http_client,
986 rate_limiter: this.app_state.rate_limiter.clone(),
987 _executor: executor.clone(),
988 supermaven_client,
989 };
990
991 if let Err(error) = this.send_initial_client_update(connection_id, &principal, zed_version, send_connection_id, &session).await {
992 tracing::error!(?error, "failed to send initial client update");
993 return;
994 }
995
996 let handle_io = handle_io.fuse();
997 futures::pin_mut!(handle_io);
998
999 // Handlers for foreground messages are pushed into the following `FuturesUnordered`.
1000 // This prevents deadlocks when e.g., client A performs a request to client B and
1001 // client B performs a request to client A. If both clients stop processing further
1002 // messages until their respective request completes, they won't have a chance to
1003 // respond to the other client's request and cause a deadlock.
1004 //
1005 // This arrangement ensures we will attempt to process earlier messages first, but fall
1006 // back to processing messages arrived later in the spirit of making progress.
1007 let mut foreground_message_handlers = FuturesUnordered::new();
1008 let concurrent_handlers = Arc::new(Semaphore::new(256));
1009 loop {
1010 let next_message = async {
1011 let permit = concurrent_handlers.clone().acquire_owned().await.unwrap();
1012 let message = incoming_rx.next().await;
1013 (permit, message)
1014 }.fuse();
1015 futures::pin_mut!(next_message);
1016 futures::select_biased! {
1017 _ = teardown.changed().fuse() => return,
1018 result = handle_io => {
1019 if let Err(error) = result {
1020 tracing::error!(?error, "error handling I/O");
1021 }
1022 break;
1023 }
1024 _ = foreground_message_handlers.next() => {}
1025 next_message = next_message => {
1026 let (permit, message) = next_message;
1027 if let Some(message) = message {
1028 let type_name = message.payload_type_name();
1029 // note: we copy all the fields from the parent span so we can query them in the logs.
1030 // (https://github.com/tokio-rs/tracing/issues/2670).
1031 let span = tracing::info_span!("receive message", %connection_id, %address, type_name,
1032 user_id=field::Empty,
1033 login=field::Empty,
1034 impersonator=field::Empty,
1035 dev_server_id=field::Empty
1036 );
1037 principal.update_span(&span);
1038 let span_enter = span.enter();
1039 if let Some(handler) = this.handlers.get(&message.payload_type_id()) {
1040 let is_background = message.is_background();
1041 let handle_message = (handler)(message, session.clone());
1042 drop(span_enter);
1043
1044 let handle_message = async move {
1045 handle_message.await;
1046 drop(permit);
1047 }.instrument(span);
1048 if is_background {
1049 executor.spawn_detached(handle_message);
1050 } else {
1051 foreground_message_handlers.push(handle_message);
1052 }
1053 } else {
1054 tracing::error!("no message handler");
1055 }
1056 } else {
1057 tracing::info!("connection closed");
1058 break;
1059 }
1060 }
1061 }
1062 }
1063
1064 drop(foreground_message_handlers);
1065 tracing::info!("signing out");
1066 if let Err(error) = connection_lost(session, teardown, executor).await {
1067 tracing::error!(?error, "error signing out");
1068 }
1069
1070 }.instrument(span)
1071 }
1072
1073 async fn send_initial_client_update(
1074 &self,
1075 connection_id: ConnectionId,
1076 principal: &Principal,
1077 zed_version: ZedVersion,
1078 mut send_connection_id: Option<oneshot::Sender<ConnectionId>>,
1079 session: &Session,
1080 ) -> Result<()> {
1081 self.peer.send(
1082 connection_id,
1083 proto::Hello {
1084 peer_id: Some(connection_id.into()),
1085 },
1086 )?;
1087 tracing::info!("sent hello message");
1088 if let Some(send_connection_id) = send_connection_id.take() {
1089 let _ = send_connection_id.send(connection_id);
1090 }
1091
1092 match principal {
1093 Principal::User(user) | Principal::Impersonated { user, admin: _ } => {
1094 if !user.connected_once {
1095 self.peer.send(connection_id, proto::ShowContacts {})?;
1096 self.app_state
1097 .db
1098 .set_user_connected_once(user.id, true)
1099 .await?;
1100 }
1101
1102 let (contacts, channels_for_user, channel_invites, dev_server_projects) =
1103 future::try_join4(
1104 self.app_state.db.get_contacts(user.id),
1105 self.app_state.db.get_channels_for_user(user.id),
1106 self.app_state.db.get_channel_invites_for_user(user.id),
1107 self.app_state.db.dev_server_projects_update(user.id),
1108 )
1109 .await?;
1110
1111 {
1112 let mut pool = self.connection_pool.lock();
1113 pool.add_connection(connection_id, user.id, user.admin, zed_version);
1114 for membership in &channels_for_user.channel_memberships {
1115 pool.subscribe_to_channel(user.id, membership.channel_id, membership.role)
1116 }
1117 self.peer.send(
1118 connection_id,
1119 build_initial_contacts_update(contacts, &pool),
1120 )?;
1121 self.peer.send(
1122 connection_id,
1123 build_update_user_channels(&channels_for_user),
1124 )?;
1125 self.peer.send(
1126 connection_id,
1127 build_channels_update(channels_for_user, channel_invites),
1128 )?;
1129 }
1130 send_dev_server_projects_update(user.id, dev_server_projects, session).await;
1131
1132 if let Some(incoming_call) =
1133 self.app_state.db.incoming_call_for_user(user.id).await?
1134 {
1135 self.peer.send(connection_id, incoming_call)?;
1136 }
1137
1138 update_user_contacts(user.id, &session).await?;
1139 }
1140 Principal::DevServer(dev_server) => {
1141 {
1142 let mut pool = self.connection_pool.lock();
1143 if pool.dev_server_connection_id(dev_server.id).is_some() {
1144 return Err(anyhow!(ErrorCode::DevServerAlreadyOnline))?;
1145 };
1146 pool.add_dev_server(connection_id, dev_server.id, zed_version);
1147 }
1148
1149 let projects = self
1150 .app_state
1151 .db
1152 .get_projects_for_dev_server(dev_server.id)
1153 .await?;
1154 self.peer
1155 .send(connection_id, proto::DevServerInstructions { projects })?;
1156
1157 let status = self
1158 .app_state
1159 .db
1160 .dev_server_projects_update(dev_server.user_id)
1161 .await?;
1162 send_dev_server_projects_update(dev_server.user_id, status, &session).await;
1163 }
1164 }
1165
1166 Ok(())
1167 }
1168
1169 pub async fn invite_code_redeemed(
1170 self: &Arc<Self>,
1171 inviter_id: UserId,
1172 invitee_id: UserId,
1173 ) -> Result<()> {
1174 if let Some(user) = self.app_state.db.get_user_by_id(inviter_id).await? {
1175 if let Some(code) = &user.invite_code {
1176 let pool = self.connection_pool.lock();
1177 let invitee_contact = contact_for_user(invitee_id, false, &pool);
1178 for connection_id in pool.user_connection_ids(inviter_id) {
1179 self.peer.send(
1180 connection_id,
1181 proto::UpdateContacts {
1182 contacts: vec![invitee_contact.clone()],
1183 ..Default::default()
1184 },
1185 )?;
1186 self.peer.send(
1187 connection_id,
1188 proto::UpdateInviteInfo {
1189 url: format!("{}{}", self.app_state.config.invite_link_prefix, &code),
1190 count: user.invite_count as u32,
1191 },
1192 )?;
1193 }
1194 }
1195 }
1196 Ok(())
1197 }
1198
1199 pub async fn invite_count_updated(self: &Arc<Self>, user_id: UserId) -> Result<()> {
1200 if let Some(user) = self.app_state.db.get_user_by_id(user_id).await? {
1201 if let Some(invite_code) = &user.invite_code {
1202 let pool = self.connection_pool.lock();
1203 for connection_id in pool.user_connection_ids(user_id) {
1204 self.peer.send(
1205 connection_id,
1206 proto::UpdateInviteInfo {
1207 url: format!(
1208 "{}{}",
1209 self.app_state.config.invite_link_prefix, invite_code
1210 ),
1211 count: user.invite_count as u32,
1212 },
1213 )?;
1214 }
1215 }
1216 }
1217 Ok(())
1218 }
1219
1220 pub async fn snapshot<'a>(self: &'a Arc<Self>) -> ServerSnapshot<'a> {
1221 ServerSnapshot {
1222 connection_pool: ConnectionPoolGuard {
1223 guard: self.connection_pool.lock(),
1224 _not_send: PhantomData,
1225 },
1226 peer: &self.peer,
1227 }
1228 }
1229}
1230
1231impl<'a> Deref for ConnectionPoolGuard<'a> {
1232 type Target = ConnectionPool;
1233
1234 fn deref(&self) -> &Self::Target {
1235 &self.guard
1236 }
1237}
1238
1239impl<'a> DerefMut for ConnectionPoolGuard<'a> {
1240 fn deref_mut(&mut self) -> &mut Self::Target {
1241 &mut self.guard
1242 }
1243}
1244
1245impl<'a> Drop for ConnectionPoolGuard<'a> {
1246 fn drop(&mut self) {
1247 #[cfg(test)]
1248 self.check_invariants();
1249 }
1250}
1251
1252fn broadcast<F>(
1253 sender_id: Option<ConnectionId>,
1254 receiver_ids: impl IntoIterator<Item = ConnectionId>,
1255 mut f: F,
1256) where
1257 F: FnMut(ConnectionId) -> anyhow::Result<()>,
1258{
1259 for receiver_id in receiver_ids {
1260 if Some(receiver_id) != sender_id {
1261 if let Err(error) = f(receiver_id) {
1262 tracing::error!("failed to send to {:?} {}", receiver_id, error);
1263 }
1264 }
1265 }
1266}
1267
1268pub struct ProtocolVersion(u32);
1269
1270impl Header for ProtocolVersion {
1271 fn name() -> &'static HeaderName {
1272 static ZED_PROTOCOL_VERSION: OnceLock<HeaderName> = OnceLock::new();
1273 ZED_PROTOCOL_VERSION.get_or_init(|| HeaderName::from_static("x-zed-protocol-version"))
1274 }
1275
1276 fn decode<'i, I>(values: &mut I) -> Result<Self, axum::headers::Error>
1277 where
1278 Self: Sized,
1279 I: Iterator<Item = &'i axum::http::HeaderValue>,
1280 {
1281 let version = values
1282 .next()
1283 .ok_or_else(axum::headers::Error::invalid)?
1284 .to_str()
1285 .map_err(|_| axum::headers::Error::invalid())?
1286 .parse()
1287 .map_err(|_| axum::headers::Error::invalid())?;
1288 Ok(Self(version))
1289 }
1290
1291 fn encode<E: Extend<axum::http::HeaderValue>>(&self, values: &mut E) {
1292 values.extend([self.0.to_string().parse().unwrap()]);
1293 }
1294}
1295
1296pub struct AppVersionHeader(SemanticVersion);
1297impl Header for AppVersionHeader {
1298 fn name() -> &'static HeaderName {
1299 static ZED_APP_VERSION: OnceLock<HeaderName> = OnceLock::new();
1300 ZED_APP_VERSION.get_or_init(|| HeaderName::from_static("x-zed-app-version"))
1301 }
1302
1303 fn decode<'i, I>(values: &mut I) -> Result<Self, axum::headers::Error>
1304 where
1305 Self: Sized,
1306 I: Iterator<Item = &'i axum::http::HeaderValue>,
1307 {
1308 let version = values
1309 .next()
1310 .ok_or_else(axum::headers::Error::invalid)?
1311 .to_str()
1312 .map_err(|_| axum::headers::Error::invalid())?
1313 .parse()
1314 .map_err(|_| axum::headers::Error::invalid())?;
1315 Ok(Self(version))
1316 }
1317
1318 fn encode<E: Extend<axum::http::HeaderValue>>(&self, values: &mut E) {
1319 values.extend([self.0.to_string().parse().unwrap()]);
1320 }
1321}
1322
1323pub fn routes(server: Arc<Server>) -> Router<(), Body> {
1324 Router::new()
1325 .route("/rpc", get(handle_websocket_request))
1326 .layer(
1327 ServiceBuilder::new()
1328 .layer(Extension(server.app_state.clone()))
1329 .layer(middleware::from_fn(auth::validate_header)),
1330 )
1331 .route("/metrics", get(handle_metrics))
1332 .layer(Extension(server))
1333}
1334
1335pub async fn handle_websocket_request(
1336 TypedHeader(ProtocolVersion(protocol_version)): TypedHeader<ProtocolVersion>,
1337 app_version_header: Option<TypedHeader<AppVersionHeader>>,
1338 ConnectInfo(socket_address): ConnectInfo<SocketAddr>,
1339 Extension(server): Extension<Arc<Server>>,
1340 Extension(principal): Extension<Principal>,
1341 ws: WebSocketUpgrade,
1342) -> axum::response::Response {
1343 if protocol_version != rpc::PROTOCOL_VERSION {
1344 return (
1345 StatusCode::UPGRADE_REQUIRED,
1346 "client must be upgraded".to_string(),
1347 )
1348 .into_response();
1349 }
1350
1351 let Some(version) = app_version_header.map(|header| ZedVersion(header.0 .0)) else {
1352 return (
1353 StatusCode::UPGRADE_REQUIRED,
1354 "no version header found".to_string(),
1355 )
1356 .into_response();
1357 };
1358
1359 if !version.can_collaborate() {
1360 return (
1361 StatusCode::UPGRADE_REQUIRED,
1362 "client must be upgraded".to_string(),
1363 )
1364 .into_response();
1365 }
1366
1367 let socket_address = socket_address.to_string();
1368 ws.on_upgrade(move |socket| {
1369 let socket = socket
1370 .map_ok(to_tungstenite_message)
1371 .err_into()
1372 .with(|message| async move { Ok(to_axum_message(message)) });
1373 let connection = Connection::new(Box::pin(socket));
1374 async move {
1375 server
1376 .handle_connection(
1377 connection,
1378 socket_address,
1379 principal,
1380 version,
1381 None,
1382 Executor::Production,
1383 )
1384 .await;
1385 }
1386 })
1387}
1388
1389pub async fn handle_metrics(Extension(server): Extension<Arc<Server>>) -> Result<String> {
1390 static CONNECTIONS_METRIC: OnceLock<IntGauge> = OnceLock::new();
1391 let connections_metric = CONNECTIONS_METRIC
1392 .get_or_init(|| register_int_gauge!("connections", "number of connections").unwrap());
1393
1394 let connections = server
1395 .connection_pool
1396 .lock()
1397 .connections()
1398 .filter(|connection| !connection.admin)
1399 .count();
1400 connections_metric.set(connections as _);
1401
1402 static SHARED_PROJECTS_METRIC: OnceLock<IntGauge> = OnceLock::new();
1403 let shared_projects_metric = SHARED_PROJECTS_METRIC.get_or_init(|| {
1404 register_int_gauge!(
1405 "shared_projects",
1406 "number of open projects with one or more guests"
1407 )
1408 .unwrap()
1409 });
1410
1411 let shared_projects = server.app_state.db.project_count_excluding_admins().await?;
1412 shared_projects_metric.set(shared_projects as _);
1413
1414 let encoder = prometheus::TextEncoder::new();
1415 let metric_families = prometheus::gather();
1416 let encoded_metrics = encoder
1417 .encode_to_string(&metric_families)
1418 .map_err(|err| anyhow!("{}", err))?;
1419 Ok(encoded_metrics)
1420}
1421
1422#[instrument(err, skip(executor))]
1423async fn connection_lost(
1424 session: Session,
1425 mut teardown: watch::Receiver<bool>,
1426 executor: Executor,
1427) -> Result<()> {
1428 session.peer.disconnect(session.connection_id);
1429 session
1430 .connection_pool()
1431 .await
1432 .remove_connection(session.connection_id)?;
1433
1434 session
1435 .db()
1436 .await
1437 .connection_lost(session.connection_id)
1438 .await
1439 .trace_err();
1440
1441 futures::select_biased! {
1442 _ = executor.sleep(RECONNECT_TIMEOUT).fuse() => {
1443 match &session.principal {
1444 Principal::User(_) | Principal::Impersonated{ user: _, admin:_ } => {
1445 let session = session.for_user().unwrap();
1446
1447 log::info!("connection lost, removing all resources for user:{}, connection:{:?}", session.user_id(), session.connection_id);
1448 leave_room_for_session(&session, session.connection_id).await.trace_err();
1449 leave_channel_buffers_for_session(&session)
1450 .await
1451 .trace_err();
1452
1453 if !session
1454 .connection_pool()
1455 .await
1456 .is_user_online(session.user_id())
1457 {
1458 let db = session.db().await;
1459 if let Some(room) = db.decline_call(None, session.user_id()).await.trace_err().flatten() {
1460 room_updated(&room, &session.peer);
1461 }
1462 }
1463
1464 update_user_contacts(session.user_id(), &session).await?;
1465 },
1466 Principal::DevServer(_) => {
1467 lost_dev_server_connection(&session.for_dev_server().unwrap()).await?;
1468 },
1469 }
1470 },
1471 _ = teardown.changed().fuse() => {}
1472 }
1473
1474 Ok(())
1475}
1476
1477/// Acknowledges a ping from a client, used to keep the connection alive.
1478async fn ping(_: proto::Ping, response: Response<proto::Ping>, _session: Session) -> Result<()> {
1479 response.send(proto::Ack {})?;
1480 Ok(())
1481}
1482
1483/// Creates a new room for calling (outside of channels)
1484async fn create_room(
1485 _request: proto::CreateRoom,
1486 response: Response<proto::CreateRoom>,
1487 session: UserSession,
1488) -> Result<()> {
1489 let live_kit_room = nanoid::nanoid!(30);
1490
1491 let live_kit_connection_info = util::maybe!(async {
1492 let live_kit = session.live_kit_client.as_ref();
1493 let live_kit = live_kit?;
1494 let user_id = session.user_id().to_string();
1495
1496 let token = live_kit
1497 .room_token(&live_kit_room, &user_id.to_string())
1498 .trace_err()?;
1499
1500 Some(proto::LiveKitConnectionInfo {
1501 server_url: live_kit.url().into(),
1502 token,
1503 can_publish: true,
1504 })
1505 })
1506 .await;
1507
1508 let room = session
1509 .db()
1510 .await
1511 .create_room(session.user_id(), session.connection_id, &live_kit_room)
1512 .await?;
1513
1514 response.send(proto::CreateRoomResponse {
1515 room: Some(room.clone()),
1516 live_kit_connection_info,
1517 })?;
1518
1519 update_user_contacts(session.user_id(), &session).await?;
1520 Ok(())
1521}
1522
1523/// Join a room from an invitation. Equivalent to joining a channel if there is one.
1524async fn join_room(
1525 request: proto::JoinRoom,
1526 response: Response<proto::JoinRoom>,
1527 session: UserSession,
1528) -> Result<()> {
1529 let room_id = RoomId::from_proto(request.id);
1530
1531 let channel_id = session.db().await.channel_id_for_room(room_id).await?;
1532
1533 if let Some(channel_id) = channel_id {
1534 return join_channel_internal(channel_id, Box::new(response), session).await;
1535 }
1536
1537 let joined_room = {
1538 let room = session
1539 .db()
1540 .await
1541 .join_room(room_id, session.user_id(), session.connection_id)
1542 .await?;
1543 room_updated(&room.room, &session.peer);
1544 room.into_inner()
1545 };
1546
1547 for connection_id in session
1548 .connection_pool()
1549 .await
1550 .user_connection_ids(session.user_id())
1551 {
1552 session
1553 .peer
1554 .send(
1555 connection_id,
1556 proto::CallCanceled {
1557 room_id: room_id.to_proto(),
1558 },
1559 )
1560 .trace_err();
1561 }
1562
1563 let live_kit_connection_info = if let Some(live_kit) = session.live_kit_client.as_ref() {
1564 if let Some(token) = live_kit
1565 .room_token(
1566 &joined_room.room.live_kit_room,
1567 &session.user_id().to_string(),
1568 )
1569 .trace_err()
1570 {
1571 Some(proto::LiveKitConnectionInfo {
1572 server_url: live_kit.url().into(),
1573 token,
1574 can_publish: true,
1575 })
1576 } else {
1577 None
1578 }
1579 } else {
1580 None
1581 };
1582
1583 response.send(proto::JoinRoomResponse {
1584 room: Some(joined_room.room),
1585 channel_id: None,
1586 live_kit_connection_info,
1587 })?;
1588
1589 update_user_contacts(session.user_id(), &session).await?;
1590 Ok(())
1591}
1592
1593/// Rejoin room is used to reconnect to a room after connection errors.
1594async fn rejoin_room(
1595 request: proto::RejoinRoom,
1596 response: Response<proto::RejoinRoom>,
1597 session: UserSession,
1598) -> Result<()> {
1599 let room;
1600 let channel;
1601 {
1602 let mut rejoined_room = session
1603 .db()
1604 .await
1605 .rejoin_room(request, session.user_id(), session.connection_id)
1606 .await?;
1607
1608 response.send(proto::RejoinRoomResponse {
1609 room: Some(rejoined_room.room.clone()),
1610 reshared_projects: rejoined_room
1611 .reshared_projects
1612 .iter()
1613 .map(|project| proto::ResharedProject {
1614 id: project.id.to_proto(),
1615 collaborators: project
1616 .collaborators
1617 .iter()
1618 .map(|collaborator| collaborator.to_proto())
1619 .collect(),
1620 })
1621 .collect(),
1622 rejoined_projects: rejoined_room
1623 .rejoined_projects
1624 .iter()
1625 .map(|rejoined_project| rejoined_project.to_proto())
1626 .collect(),
1627 })?;
1628 room_updated(&rejoined_room.room, &session.peer);
1629
1630 for project in &rejoined_room.reshared_projects {
1631 for collaborator in &project.collaborators {
1632 session
1633 .peer
1634 .send(
1635 collaborator.connection_id,
1636 proto::UpdateProjectCollaborator {
1637 project_id: project.id.to_proto(),
1638 old_peer_id: Some(project.old_connection_id.into()),
1639 new_peer_id: Some(session.connection_id.into()),
1640 },
1641 )
1642 .trace_err();
1643 }
1644
1645 broadcast(
1646 Some(session.connection_id),
1647 project
1648 .collaborators
1649 .iter()
1650 .map(|collaborator| collaborator.connection_id),
1651 |connection_id| {
1652 session.peer.forward_send(
1653 session.connection_id,
1654 connection_id,
1655 proto::UpdateProject {
1656 project_id: project.id.to_proto(),
1657 worktrees: project.worktrees.clone(),
1658 },
1659 )
1660 },
1661 );
1662 }
1663
1664 notify_rejoined_projects(&mut rejoined_room.rejoined_projects, &session)?;
1665
1666 let rejoined_room = rejoined_room.into_inner();
1667
1668 room = rejoined_room.room;
1669 channel = rejoined_room.channel;
1670 }
1671
1672 if let Some(channel) = channel {
1673 channel_updated(
1674 &channel,
1675 &room,
1676 &session.peer,
1677 &*session.connection_pool().await,
1678 );
1679 }
1680
1681 update_user_contacts(session.user_id(), &session).await?;
1682 Ok(())
1683}
1684
1685fn notify_rejoined_projects(
1686 rejoined_projects: &mut Vec<RejoinedProject>,
1687 session: &UserSession,
1688) -> Result<()> {
1689 for project in rejoined_projects.iter() {
1690 for collaborator in &project.collaborators {
1691 session
1692 .peer
1693 .send(
1694 collaborator.connection_id,
1695 proto::UpdateProjectCollaborator {
1696 project_id: project.id.to_proto(),
1697 old_peer_id: Some(project.old_connection_id.into()),
1698 new_peer_id: Some(session.connection_id.into()),
1699 },
1700 )
1701 .trace_err();
1702 }
1703 }
1704
1705 for project in rejoined_projects {
1706 for worktree in mem::take(&mut project.worktrees) {
1707 #[cfg(any(test, feature = "test-support"))]
1708 const MAX_CHUNK_SIZE: usize = 2;
1709 #[cfg(not(any(test, feature = "test-support")))]
1710 const MAX_CHUNK_SIZE: usize = 256;
1711
1712 // Stream this worktree's entries.
1713 let message = proto::UpdateWorktree {
1714 project_id: project.id.to_proto(),
1715 worktree_id: worktree.id,
1716 abs_path: worktree.abs_path.clone(),
1717 root_name: worktree.root_name,
1718 updated_entries: worktree.updated_entries,
1719 removed_entries: worktree.removed_entries,
1720 scan_id: worktree.scan_id,
1721 is_last_update: worktree.completed_scan_id == worktree.scan_id,
1722 updated_repositories: worktree.updated_repositories,
1723 removed_repositories: worktree.removed_repositories,
1724 };
1725 for update in proto::split_worktree_update(message, MAX_CHUNK_SIZE) {
1726 session.peer.send(session.connection_id, update.clone())?;
1727 }
1728
1729 // Stream this worktree's diagnostics.
1730 for summary in worktree.diagnostic_summaries {
1731 session.peer.send(
1732 session.connection_id,
1733 proto::UpdateDiagnosticSummary {
1734 project_id: project.id.to_proto(),
1735 worktree_id: worktree.id,
1736 summary: Some(summary),
1737 },
1738 )?;
1739 }
1740
1741 for settings_file in worktree.settings_files {
1742 session.peer.send(
1743 session.connection_id,
1744 proto::UpdateWorktreeSettings {
1745 project_id: project.id.to_proto(),
1746 worktree_id: worktree.id,
1747 path: settings_file.path,
1748 content: Some(settings_file.content),
1749 },
1750 )?;
1751 }
1752 }
1753
1754 for language_server in &project.language_servers {
1755 session.peer.send(
1756 session.connection_id,
1757 proto::UpdateLanguageServer {
1758 project_id: project.id.to_proto(),
1759 language_server_id: language_server.id,
1760 variant: Some(
1761 proto::update_language_server::Variant::DiskBasedDiagnosticsUpdated(
1762 proto::LspDiskBasedDiagnosticsUpdated {},
1763 ),
1764 ),
1765 },
1766 )?;
1767 }
1768 }
1769 Ok(())
1770}
1771
1772/// leave room disconnects from the room.
1773async fn leave_room(
1774 _: proto::LeaveRoom,
1775 response: Response<proto::LeaveRoom>,
1776 session: UserSession,
1777) -> Result<()> {
1778 leave_room_for_session(&session, session.connection_id).await?;
1779 response.send(proto::Ack {})?;
1780 Ok(())
1781}
1782
1783/// Updates the permissions of someone else in the room.
1784async fn set_room_participant_role(
1785 request: proto::SetRoomParticipantRole,
1786 response: Response<proto::SetRoomParticipantRole>,
1787 session: UserSession,
1788) -> Result<()> {
1789 let user_id = UserId::from_proto(request.user_id);
1790 let role = ChannelRole::from(request.role());
1791
1792 let (live_kit_room, can_publish) = {
1793 let room = session
1794 .db()
1795 .await
1796 .set_room_participant_role(
1797 session.user_id(),
1798 RoomId::from_proto(request.room_id),
1799 user_id,
1800 role,
1801 )
1802 .await?;
1803
1804 let live_kit_room = room.live_kit_room.clone();
1805 let can_publish = ChannelRole::from(request.role()).can_use_microphone();
1806 room_updated(&room, &session.peer);
1807 (live_kit_room, can_publish)
1808 };
1809
1810 if let Some(live_kit) = session.live_kit_client.as_ref() {
1811 live_kit
1812 .update_participant(
1813 live_kit_room.clone(),
1814 request.user_id.to_string(),
1815 live_kit_server::proto::ParticipantPermission {
1816 can_subscribe: true,
1817 can_publish,
1818 can_publish_data: can_publish,
1819 hidden: false,
1820 recorder: false,
1821 },
1822 )
1823 .await
1824 .trace_err();
1825 }
1826
1827 response.send(proto::Ack {})?;
1828 Ok(())
1829}
1830
1831/// Call someone else into the current room
1832async fn call(
1833 request: proto::Call,
1834 response: Response<proto::Call>,
1835 session: UserSession,
1836) -> Result<()> {
1837 let room_id = RoomId::from_proto(request.room_id);
1838 let calling_user_id = session.user_id();
1839 let calling_connection_id = session.connection_id;
1840 let called_user_id = UserId::from_proto(request.called_user_id);
1841 let initial_project_id = request.initial_project_id.map(ProjectId::from_proto);
1842 if !session
1843 .db()
1844 .await
1845 .has_contact(calling_user_id, called_user_id)
1846 .await?
1847 {
1848 return Err(anyhow!("cannot call a user who isn't a contact"))?;
1849 }
1850
1851 let incoming_call = {
1852 let (room, incoming_call) = &mut *session
1853 .db()
1854 .await
1855 .call(
1856 room_id,
1857 calling_user_id,
1858 calling_connection_id,
1859 called_user_id,
1860 initial_project_id,
1861 )
1862 .await?;
1863 room_updated(&room, &session.peer);
1864 mem::take(incoming_call)
1865 };
1866 update_user_contacts(called_user_id, &session).await?;
1867
1868 let mut calls = session
1869 .connection_pool()
1870 .await
1871 .user_connection_ids(called_user_id)
1872 .map(|connection_id| session.peer.request(connection_id, incoming_call.clone()))
1873 .collect::<FuturesUnordered<_>>();
1874
1875 while let Some(call_response) = calls.next().await {
1876 match call_response.as_ref() {
1877 Ok(_) => {
1878 response.send(proto::Ack {})?;
1879 return Ok(());
1880 }
1881 Err(_) => {
1882 call_response.trace_err();
1883 }
1884 }
1885 }
1886
1887 {
1888 let room = session
1889 .db()
1890 .await
1891 .call_failed(room_id, called_user_id)
1892 .await?;
1893 room_updated(&room, &session.peer);
1894 }
1895 update_user_contacts(called_user_id, &session).await?;
1896
1897 Err(anyhow!("failed to ring user"))?
1898}
1899
1900/// Cancel an outgoing call.
1901async fn cancel_call(
1902 request: proto::CancelCall,
1903 response: Response<proto::CancelCall>,
1904 session: UserSession,
1905) -> Result<()> {
1906 let called_user_id = UserId::from_proto(request.called_user_id);
1907 let room_id = RoomId::from_proto(request.room_id);
1908 {
1909 let room = session
1910 .db()
1911 .await
1912 .cancel_call(room_id, session.connection_id, called_user_id)
1913 .await?;
1914 room_updated(&room, &session.peer);
1915 }
1916
1917 for connection_id in session
1918 .connection_pool()
1919 .await
1920 .user_connection_ids(called_user_id)
1921 {
1922 session
1923 .peer
1924 .send(
1925 connection_id,
1926 proto::CallCanceled {
1927 room_id: room_id.to_proto(),
1928 },
1929 )
1930 .trace_err();
1931 }
1932 response.send(proto::Ack {})?;
1933
1934 update_user_contacts(called_user_id, &session).await?;
1935 Ok(())
1936}
1937
1938/// Decline an incoming call.
1939async fn decline_call(message: proto::DeclineCall, session: UserSession) -> Result<()> {
1940 let room_id = RoomId::from_proto(message.room_id);
1941 {
1942 let room = session
1943 .db()
1944 .await
1945 .decline_call(Some(room_id), session.user_id())
1946 .await?
1947 .ok_or_else(|| anyhow!("failed to decline call"))?;
1948 room_updated(&room, &session.peer);
1949 }
1950
1951 for connection_id in session
1952 .connection_pool()
1953 .await
1954 .user_connection_ids(session.user_id())
1955 {
1956 session
1957 .peer
1958 .send(
1959 connection_id,
1960 proto::CallCanceled {
1961 room_id: room_id.to_proto(),
1962 },
1963 )
1964 .trace_err();
1965 }
1966 update_user_contacts(session.user_id(), &session).await?;
1967 Ok(())
1968}
1969
1970/// Updates other participants in the room with your current location.
1971async fn update_participant_location(
1972 request: proto::UpdateParticipantLocation,
1973 response: Response<proto::UpdateParticipantLocation>,
1974 session: UserSession,
1975) -> Result<()> {
1976 let room_id = RoomId::from_proto(request.room_id);
1977 let location = request
1978 .location
1979 .ok_or_else(|| anyhow!("invalid location"))?;
1980
1981 let db = session.db().await;
1982 let room = db
1983 .update_room_participant_location(room_id, session.connection_id, location)
1984 .await?;
1985
1986 room_updated(&room, &session.peer);
1987 response.send(proto::Ack {})?;
1988 Ok(())
1989}
1990
1991/// Share a project into the room.
1992async fn share_project(
1993 request: proto::ShareProject,
1994 response: Response<proto::ShareProject>,
1995 session: UserSession,
1996) -> Result<()> {
1997 let (project_id, room) = &*session
1998 .db()
1999 .await
2000 .share_project(
2001 RoomId::from_proto(request.room_id),
2002 session.connection_id,
2003 &request.worktrees,
2004 request
2005 .dev_server_project_id
2006 .map(|id| DevServerProjectId::from_proto(id)),
2007 )
2008 .await?;
2009 response.send(proto::ShareProjectResponse {
2010 project_id: project_id.to_proto(),
2011 })?;
2012 room_updated(&room, &session.peer);
2013
2014 Ok(())
2015}
2016
2017/// Unshare a project from the room.
2018async fn unshare_project(message: proto::UnshareProject, session: Session) -> Result<()> {
2019 let project_id = ProjectId::from_proto(message.project_id);
2020 unshare_project_internal(
2021 project_id,
2022 session.connection_id,
2023 session.user_id(),
2024 &session,
2025 )
2026 .await
2027}
2028
2029async fn unshare_project_internal(
2030 project_id: ProjectId,
2031 connection_id: ConnectionId,
2032 user_id: Option<UserId>,
2033 session: &Session,
2034) -> Result<()> {
2035 let delete = {
2036 let room_guard = session
2037 .db()
2038 .await
2039 .unshare_project(project_id, connection_id, user_id)
2040 .await?;
2041
2042 let (delete, room, guest_connection_ids) = &*room_guard;
2043
2044 let message = proto::UnshareProject {
2045 project_id: project_id.to_proto(),
2046 };
2047
2048 broadcast(
2049 Some(connection_id),
2050 guest_connection_ids.iter().copied(),
2051 |conn_id| session.peer.send(conn_id, message.clone()),
2052 );
2053 if let Some(room) = room {
2054 room_updated(room, &session.peer);
2055 }
2056
2057 *delete
2058 };
2059
2060 if delete {
2061 let db = session.db().await;
2062 db.delete_project(project_id).await?;
2063 }
2064
2065 Ok(())
2066}
2067
2068/// DevServer makes a project available online
2069async fn share_dev_server_project(
2070 request: proto::ShareDevServerProject,
2071 response: Response<proto::ShareDevServerProject>,
2072 session: DevServerSession,
2073) -> Result<()> {
2074 let (dev_server_project, user_id, status) = session
2075 .db()
2076 .await
2077 .share_dev_server_project(
2078 DevServerProjectId::from_proto(request.dev_server_project_id),
2079 session.dev_server_id(),
2080 session.connection_id,
2081 &request.worktrees,
2082 )
2083 .await?;
2084 let Some(project_id) = dev_server_project.project_id else {
2085 return Err(anyhow!("failed to share remote project"))?;
2086 };
2087
2088 send_dev_server_projects_update(user_id, status, &session).await;
2089
2090 response.send(proto::ShareProjectResponse { project_id })?;
2091
2092 Ok(())
2093}
2094
2095/// Join someone elses shared project.
2096async fn join_project(
2097 request: proto::JoinProject,
2098 response: Response<proto::JoinProject>,
2099 session: UserSession,
2100) -> Result<()> {
2101 let project_id = ProjectId::from_proto(request.project_id);
2102
2103 tracing::info!(%project_id, "join project");
2104
2105 let db = session.db().await;
2106 let (project, replica_id) = &mut *db
2107 .join_project(project_id, session.connection_id, session.user_id())
2108 .await?;
2109 drop(db);
2110 tracing::info!(%project_id, "join remote project");
2111 join_project_internal(response, session, project, replica_id)
2112}
2113
2114trait JoinProjectInternalResponse {
2115 fn send(self, result: proto::JoinProjectResponse) -> Result<()>;
2116}
2117impl JoinProjectInternalResponse for Response<proto::JoinProject> {
2118 fn send(self, result: proto::JoinProjectResponse) -> Result<()> {
2119 Response::<proto::JoinProject>::send(self, result)
2120 }
2121}
2122impl JoinProjectInternalResponse for Response<proto::JoinHostedProject> {
2123 fn send(self, result: proto::JoinProjectResponse) -> Result<()> {
2124 Response::<proto::JoinHostedProject>::send(self, result)
2125 }
2126}
2127
2128fn join_project_internal(
2129 response: impl JoinProjectInternalResponse,
2130 session: UserSession,
2131 project: &mut Project,
2132 replica_id: &ReplicaId,
2133) -> Result<()> {
2134 let collaborators = project
2135 .collaborators
2136 .iter()
2137 .filter(|collaborator| collaborator.connection_id != session.connection_id)
2138 .map(|collaborator| collaborator.to_proto())
2139 .collect::<Vec<_>>();
2140 let project_id = project.id;
2141 let guest_user_id = session.user_id();
2142
2143 let worktrees = project
2144 .worktrees
2145 .iter()
2146 .map(|(id, worktree)| proto::WorktreeMetadata {
2147 id: *id,
2148 root_name: worktree.root_name.clone(),
2149 visible: worktree.visible,
2150 abs_path: worktree.abs_path.clone(),
2151 })
2152 .collect::<Vec<_>>();
2153
2154 let add_project_collaborator = proto::AddProjectCollaborator {
2155 project_id: project_id.to_proto(),
2156 collaborator: Some(proto::Collaborator {
2157 peer_id: Some(session.connection_id.into()),
2158 replica_id: replica_id.0 as u32,
2159 user_id: guest_user_id.to_proto(),
2160 }),
2161 };
2162
2163 for collaborator in &collaborators {
2164 session
2165 .peer
2166 .send(
2167 collaborator.peer_id.unwrap().into(),
2168 add_project_collaborator.clone(),
2169 )
2170 .trace_err();
2171 }
2172
2173 // First, we send the metadata associated with each worktree.
2174 response.send(proto::JoinProjectResponse {
2175 project_id: project.id.0 as u64,
2176 worktrees: worktrees.clone(),
2177 replica_id: replica_id.0 as u32,
2178 collaborators: collaborators.clone(),
2179 language_servers: project.language_servers.clone(),
2180 role: project.role.into(),
2181 dev_server_project_id: project
2182 .dev_server_project_id
2183 .map(|dev_server_project_id| dev_server_project_id.0 as u64),
2184 })?;
2185
2186 for (worktree_id, worktree) in mem::take(&mut project.worktrees) {
2187 #[cfg(any(test, feature = "test-support"))]
2188 const MAX_CHUNK_SIZE: usize = 2;
2189 #[cfg(not(any(test, feature = "test-support")))]
2190 const MAX_CHUNK_SIZE: usize = 256;
2191
2192 // Stream this worktree's entries.
2193 let message = proto::UpdateWorktree {
2194 project_id: project_id.to_proto(),
2195 worktree_id,
2196 abs_path: worktree.abs_path.clone(),
2197 root_name: worktree.root_name,
2198 updated_entries: worktree.entries,
2199 removed_entries: Default::default(),
2200 scan_id: worktree.scan_id,
2201 is_last_update: worktree.scan_id == worktree.completed_scan_id,
2202 updated_repositories: worktree.repository_entries.into_values().collect(),
2203 removed_repositories: Default::default(),
2204 };
2205 for update in proto::split_worktree_update(message, MAX_CHUNK_SIZE) {
2206 session.peer.send(session.connection_id, update.clone())?;
2207 }
2208
2209 // Stream this worktree's diagnostics.
2210 for summary in worktree.diagnostic_summaries {
2211 session.peer.send(
2212 session.connection_id,
2213 proto::UpdateDiagnosticSummary {
2214 project_id: project_id.to_proto(),
2215 worktree_id: worktree.id,
2216 summary: Some(summary),
2217 },
2218 )?;
2219 }
2220
2221 for settings_file in worktree.settings_files {
2222 session.peer.send(
2223 session.connection_id,
2224 proto::UpdateWorktreeSettings {
2225 project_id: project_id.to_proto(),
2226 worktree_id: worktree.id,
2227 path: settings_file.path,
2228 content: Some(settings_file.content),
2229 },
2230 )?;
2231 }
2232 }
2233
2234 for language_server in &project.language_servers {
2235 session.peer.send(
2236 session.connection_id,
2237 proto::UpdateLanguageServer {
2238 project_id: project_id.to_proto(),
2239 language_server_id: language_server.id,
2240 variant: Some(
2241 proto::update_language_server::Variant::DiskBasedDiagnosticsUpdated(
2242 proto::LspDiskBasedDiagnosticsUpdated {},
2243 ),
2244 ),
2245 },
2246 )?;
2247 }
2248
2249 Ok(())
2250}
2251
2252/// Leave someone elses shared project.
2253async fn leave_project(request: proto::LeaveProject, session: UserSession) -> Result<()> {
2254 let sender_id = session.connection_id;
2255 let project_id = ProjectId::from_proto(request.project_id);
2256 let db = session.db().await;
2257 if db.is_hosted_project(project_id).await? {
2258 let project = db.leave_hosted_project(project_id, sender_id).await?;
2259 project_left(&project, &session);
2260 return Ok(());
2261 }
2262
2263 let (room, project) = &*db.leave_project(project_id, sender_id).await?;
2264 tracing::info!(
2265 %project_id,
2266 "leave project"
2267 );
2268
2269 project_left(&project, &session);
2270 if let Some(room) = room {
2271 room_updated(&room, &session.peer);
2272 }
2273
2274 Ok(())
2275}
2276
2277async fn join_hosted_project(
2278 request: proto::JoinHostedProject,
2279 response: Response<proto::JoinHostedProject>,
2280 session: UserSession,
2281) -> Result<()> {
2282 let (mut project, replica_id) = session
2283 .db()
2284 .await
2285 .join_hosted_project(
2286 ProjectId(request.project_id as i32),
2287 session.user_id(),
2288 session.connection_id,
2289 )
2290 .await?;
2291
2292 join_project_internal(response, session, &mut project, &replica_id)
2293}
2294
2295async fn create_dev_server_project(
2296 request: proto::CreateDevServerProject,
2297 response: Response<proto::CreateDevServerProject>,
2298 session: UserSession,
2299) -> Result<()> {
2300 let dev_server_id = DevServerId(request.dev_server_id as i32);
2301 let dev_server_connection_id = session
2302 .connection_pool()
2303 .await
2304 .dev_server_connection_id(dev_server_id);
2305 let Some(dev_server_connection_id) = dev_server_connection_id else {
2306 Err(ErrorCode::DevServerOffline
2307 .message("Cannot create a remote project when the dev server is offline".to_string())
2308 .anyhow())?
2309 };
2310
2311 let path = request.path.clone();
2312 //Check that the path exists on the dev server
2313 session
2314 .peer
2315 .forward_request(
2316 session.connection_id,
2317 dev_server_connection_id,
2318 proto::ValidateDevServerProjectRequest { path: path.clone() },
2319 )
2320 .await?;
2321
2322 let (dev_server_project, update) = session
2323 .db()
2324 .await
2325 .create_dev_server_project(
2326 DevServerId(request.dev_server_id as i32),
2327 &request.path,
2328 session.user_id(),
2329 )
2330 .await?;
2331
2332 let projects = session
2333 .db()
2334 .await
2335 .get_projects_for_dev_server(dev_server_project.dev_server_id)
2336 .await?;
2337
2338 session.peer.send(
2339 dev_server_connection_id,
2340 proto::DevServerInstructions { projects },
2341 )?;
2342
2343 send_dev_server_projects_update(session.user_id(), update, &session).await;
2344
2345 response.send(proto::CreateDevServerProjectResponse {
2346 dev_server_project: Some(dev_server_project.to_proto(None)),
2347 })?;
2348 Ok(())
2349}
2350
2351async fn create_dev_server(
2352 request: proto::CreateDevServer,
2353 response: Response<proto::CreateDevServer>,
2354 session: UserSession,
2355) -> Result<()> {
2356 let access_token = auth::random_token();
2357 let hashed_access_token = auth::hash_access_token(&access_token);
2358
2359 if request.name.is_empty() {
2360 return Err(proto::ErrorCode::Forbidden
2361 .message("Dev server name cannot be empty".to_string())
2362 .anyhow())?;
2363 }
2364
2365 let (dev_server, status) = session
2366 .db()
2367 .await
2368 .create_dev_server(
2369 &request.name,
2370 request.ssh_connection_string.as_deref(),
2371 &hashed_access_token,
2372 session.user_id(),
2373 )
2374 .await?;
2375
2376 send_dev_server_projects_update(session.user_id(), status, &session).await;
2377
2378 response.send(proto::CreateDevServerResponse {
2379 dev_server_id: dev_server.id.0 as u64,
2380 access_token: auth::generate_dev_server_token(dev_server.id.0 as usize, access_token),
2381 name: request.name,
2382 })?;
2383 Ok(())
2384}
2385
2386async fn regenerate_dev_server_token(
2387 request: proto::RegenerateDevServerToken,
2388 response: Response<proto::RegenerateDevServerToken>,
2389 session: UserSession,
2390) -> Result<()> {
2391 let dev_server_id = DevServerId(request.dev_server_id as i32);
2392 let access_token = auth::random_token();
2393 let hashed_access_token = auth::hash_access_token(&access_token);
2394
2395 let connection_id = session
2396 .connection_pool()
2397 .await
2398 .dev_server_connection_id(dev_server_id);
2399 if let Some(connection_id) = connection_id {
2400 shutdown_dev_server_internal(dev_server_id, connection_id, &session).await?;
2401 session
2402 .peer
2403 .send(connection_id, proto::ShutdownDevServer {})?;
2404 let _ = remove_dev_server_connection(dev_server_id, &session).await;
2405 }
2406
2407 let status = session
2408 .db()
2409 .await
2410 .update_dev_server_token(dev_server_id, &hashed_access_token, session.user_id())
2411 .await?;
2412
2413 send_dev_server_projects_update(session.user_id(), status, &session).await;
2414
2415 response.send(proto::RegenerateDevServerTokenResponse {
2416 dev_server_id: dev_server_id.to_proto(),
2417 access_token: auth::generate_dev_server_token(dev_server_id.0 as usize, access_token),
2418 })?;
2419 Ok(())
2420}
2421
2422async fn rename_dev_server(
2423 request: proto::RenameDevServer,
2424 response: Response<proto::RenameDevServer>,
2425 session: UserSession,
2426) -> Result<()> {
2427 if request.name.trim().is_empty() {
2428 return Err(proto::ErrorCode::Forbidden
2429 .message("Dev server name cannot be empty".to_string())
2430 .anyhow())?;
2431 }
2432
2433 let dev_server_id = DevServerId(request.dev_server_id as i32);
2434 let dev_server = session.db().await.get_dev_server(dev_server_id).await?;
2435 if dev_server.user_id != session.user_id() {
2436 return Err(anyhow!(ErrorCode::Forbidden))?;
2437 }
2438
2439 let status = session
2440 .db()
2441 .await
2442 .rename_dev_server(dev_server_id, &request.name, session.user_id())
2443 .await?;
2444
2445 send_dev_server_projects_update(session.user_id(), status, &session).await;
2446
2447 response.send(proto::Ack {})?;
2448 Ok(())
2449}
2450
2451async fn delete_dev_server(
2452 request: proto::DeleteDevServer,
2453 response: Response<proto::DeleteDevServer>,
2454 session: UserSession,
2455) -> Result<()> {
2456 let dev_server_id = DevServerId(request.dev_server_id as i32);
2457 let dev_server = session.db().await.get_dev_server(dev_server_id).await?;
2458 if dev_server.user_id != session.user_id() {
2459 return Err(anyhow!(ErrorCode::Forbidden))?;
2460 }
2461
2462 let connection_id = session
2463 .connection_pool()
2464 .await
2465 .dev_server_connection_id(dev_server_id);
2466 if let Some(connection_id) = connection_id {
2467 shutdown_dev_server_internal(dev_server_id, connection_id, &session).await?;
2468 session
2469 .peer
2470 .send(connection_id, proto::ShutdownDevServer {})?;
2471 let _ = remove_dev_server_connection(dev_server_id, &session).await;
2472 }
2473
2474 let status = session
2475 .db()
2476 .await
2477 .delete_dev_server(dev_server_id, session.user_id())
2478 .await?;
2479
2480 send_dev_server_projects_update(session.user_id(), status, &session).await;
2481
2482 response.send(proto::Ack {})?;
2483 Ok(())
2484}
2485
2486async fn delete_dev_server_project(
2487 request: proto::DeleteDevServerProject,
2488 response: Response<proto::DeleteDevServerProject>,
2489 session: UserSession,
2490) -> Result<()> {
2491 let dev_server_project_id = DevServerProjectId(request.dev_server_project_id as i32);
2492 let dev_server_project = session
2493 .db()
2494 .await
2495 .get_dev_server_project(dev_server_project_id)
2496 .await?;
2497
2498 let dev_server = session
2499 .db()
2500 .await
2501 .get_dev_server(dev_server_project.dev_server_id)
2502 .await?;
2503 if dev_server.user_id != session.user_id() {
2504 return Err(anyhow!(ErrorCode::Forbidden))?;
2505 }
2506
2507 let dev_server_connection_id = session
2508 .connection_pool()
2509 .await
2510 .dev_server_connection_id(dev_server.id);
2511
2512 if let Some(dev_server_connection_id) = dev_server_connection_id {
2513 let project = session
2514 .db()
2515 .await
2516 .find_dev_server_project(dev_server_project_id)
2517 .await;
2518 if let Ok(project) = project {
2519 unshare_project_internal(
2520 project.id,
2521 dev_server_connection_id,
2522 Some(session.user_id()),
2523 &session,
2524 )
2525 .await?;
2526 }
2527 }
2528
2529 let (projects, status) = session
2530 .db()
2531 .await
2532 .delete_dev_server_project(dev_server_project_id, dev_server.id, session.user_id())
2533 .await?;
2534
2535 if let Some(dev_server_connection_id) = dev_server_connection_id {
2536 session.peer.send(
2537 dev_server_connection_id,
2538 proto::DevServerInstructions { projects },
2539 )?;
2540 }
2541
2542 send_dev_server_projects_update(session.user_id(), status, &session).await;
2543
2544 response.send(proto::Ack {})?;
2545 Ok(())
2546}
2547
2548async fn rejoin_dev_server_projects(
2549 request: proto::RejoinRemoteProjects,
2550 response: Response<proto::RejoinRemoteProjects>,
2551 session: UserSession,
2552) -> Result<()> {
2553 let mut rejoined_projects = {
2554 let db = session.db().await;
2555 db.rejoin_dev_server_projects(
2556 &request.rejoined_projects,
2557 session.user_id(),
2558 session.0.connection_id,
2559 )
2560 .await?
2561 };
2562 notify_rejoined_projects(&mut rejoined_projects, &session)?;
2563
2564 response.send(proto::RejoinRemoteProjectsResponse {
2565 rejoined_projects: rejoined_projects
2566 .into_iter()
2567 .map(|project| project.to_proto())
2568 .collect(),
2569 })
2570}
2571
2572async fn reconnect_dev_server(
2573 request: proto::ReconnectDevServer,
2574 response: Response<proto::ReconnectDevServer>,
2575 session: DevServerSession,
2576) -> Result<()> {
2577 let reshared_projects = {
2578 let db = session.db().await;
2579 db.reshare_dev_server_projects(
2580 &request.reshared_projects,
2581 session.dev_server_id(),
2582 session.0.connection_id,
2583 )
2584 .await?
2585 };
2586
2587 for project in &reshared_projects {
2588 for collaborator in &project.collaborators {
2589 session
2590 .peer
2591 .send(
2592 collaborator.connection_id,
2593 proto::UpdateProjectCollaborator {
2594 project_id: project.id.to_proto(),
2595 old_peer_id: Some(project.old_connection_id.into()),
2596 new_peer_id: Some(session.connection_id.into()),
2597 },
2598 )
2599 .trace_err();
2600 }
2601
2602 broadcast(
2603 Some(session.connection_id),
2604 project
2605 .collaborators
2606 .iter()
2607 .map(|collaborator| collaborator.connection_id),
2608 |connection_id| {
2609 session.peer.forward_send(
2610 session.connection_id,
2611 connection_id,
2612 proto::UpdateProject {
2613 project_id: project.id.to_proto(),
2614 worktrees: project.worktrees.clone(),
2615 },
2616 )
2617 },
2618 );
2619 }
2620
2621 response.send(proto::ReconnectDevServerResponse {
2622 reshared_projects: reshared_projects
2623 .iter()
2624 .map(|project| proto::ResharedProject {
2625 id: project.id.to_proto(),
2626 collaborators: project
2627 .collaborators
2628 .iter()
2629 .map(|collaborator| collaborator.to_proto())
2630 .collect(),
2631 })
2632 .collect(),
2633 })?;
2634
2635 Ok(())
2636}
2637
2638async fn shutdown_dev_server(
2639 _: proto::ShutdownDevServer,
2640 response: Response<proto::ShutdownDevServer>,
2641 session: DevServerSession,
2642) -> Result<()> {
2643 response.send(proto::Ack {})?;
2644 shutdown_dev_server_internal(session.dev_server_id(), session.connection_id, &session).await?;
2645 remove_dev_server_connection(session.dev_server_id(), &session).await
2646}
2647
2648async fn shutdown_dev_server_internal(
2649 dev_server_id: DevServerId,
2650 connection_id: ConnectionId,
2651 session: &Session,
2652) -> Result<()> {
2653 let (dev_server_projects, dev_server) = {
2654 let db = session.db().await;
2655 let dev_server_projects = db.get_projects_for_dev_server(dev_server_id).await?;
2656 let dev_server = db.get_dev_server(dev_server_id).await?;
2657 (dev_server_projects, dev_server)
2658 };
2659
2660 for project_id in dev_server_projects.iter().filter_map(|p| p.project_id) {
2661 unshare_project_internal(
2662 ProjectId::from_proto(project_id),
2663 connection_id,
2664 None,
2665 session,
2666 )
2667 .await?;
2668 }
2669
2670 session
2671 .connection_pool()
2672 .await
2673 .set_dev_server_offline(dev_server_id);
2674
2675 let status = session
2676 .db()
2677 .await
2678 .dev_server_projects_update(dev_server.user_id)
2679 .await?;
2680 send_dev_server_projects_update(dev_server.user_id, status, &session).await;
2681
2682 Ok(())
2683}
2684
2685async fn remove_dev_server_connection(dev_server_id: DevServerId, session: &Session) -> Result<()> {
2686 let dev_server_connection = session
2687 .connection_pool()
2688 .await
2689 .dev_server_connection_id(dev_server_id);
2690
2691 if let Some(dev_server_connection) = dev_server_connection {
2692 session
2693 .connection_pool()
2694 .await
2695 .remove_connection(dev_server_connection)?;
2696 }
2697 Ok(())
2698}
2699
2700/// Updates other participants with changes to the project
2701async fn update_project(
2702 request: proto::UpdateProject,
2703 response: Response<proto::UpdateProject>,
2704 session: Session,
2705) -> Result<()> {
2706 let project_id = ProjectId::from_proto(request.project_id);
2707 let (room, guest_connection_ids) = &*session
2708 .db()
2709 .await
2710 .update_project(project_id, session.connection_id, &request.worktrees)
2711 .await?;
2712 broadcast(
2713 Some(session.connection_id),
2714 guest_connection_ids.iter().copied(),
2715 |connection_id| {
2716 session
2717 .peer
2718 .forward_send(session.connection_id, connection_id, request.clone())
2719 },
2720 );
2721 if let Some(room) = room {
2722 room_updated(&room, &session.peer);
2723 }
2724 response.send(proto::Ack {})?;
2725
2726 Ok(())
2727}
2728
2729/// Updates other participants with changes to the worktree
2730async fn update_worktree(
2731 request: proto::UpdateWorktree,
2732 response: Response<proto::UpdateWorktree>,
2733 session: Session,
2734) -> Result<()> {
2735 let guest_connection_ids = session
2736 .db()
2737 .await
2738 .update_worktree(&request, session.connection_id)
2739 .await?;
2740
2741 broadcast(
2742 Some(session.connection_id),
2743 guest_connection_ids.iter().copied(),
2744 |connection_id| {
2745 session
2746 .peer
2747 .forward_send(session.connection_id, connection_id, request.clone())
2748 },
2749 );
2750 response.send(proto::Ack {})?;
2751 Ok(())
2752}
2753
2754/// Updates other participants with changes to the diagnostics
2755async fn update_diagnostic_summary(
2756 message: proto::UpdateDiagnosticSummary,
2757 session: Session,
2758) -> Result<()> {
2759 let guest_connection_ids = session
2760 .db()
2761 .await
2762 .update_diagnostic_summary(&message, session.connection_id)
2763 .await?;
2764
2765 broadcast(
2766 Some(session.connection_id),
2767 guest_connection_ids.iter().copied(),
2768 |connection_id| {
2769 session
2770 .peer
2771 .forward_send(session.connection_id, connection_id, message.clone())
2772 },
2773 );
2774
2775 Ok(())
2776}
2777
2778/// Updates other participants with changes to the worktree settings
2779async fn update_worktree_settings(
2780 message: proto::UpdateWorktreeSettings,
2781 session: Session,
2782) -> Result<()> {
2783 let guest_connection_ids = session
2784 .db()
2785 .await
2786 .update_worktree_settings(&message, session.connection_id)
2787 .await?;
2788
2789 broadcast(
2790 Some(session.connection_id),
2791 guest_connection_ids.iter().copied(),
2792 |connection_id| {
2793 session
2794 .peer
2795 .forward_send(session.connection_id, connection_id, message.clone())
2796 },
2797 );
2798
2799 Ok(())
2800}
2801
2802/// Notify other participants that a language server has started.
2803async fn start_language_server(
2804 request: proto::StartLanguageServer,
2805 session: Session,
2806) -> Result<()> {
2807 let guest_connection_ids = session
2808 .db()
2809 .await
2810 .start_language_server(&request, session.connection_id)
2811 .await?;
2812
2813 broadcast(
2814 Some(session.connection_id),
2815 guest_connection_ids.iter().copied(),
2816 |connection_id| {
2817 session
2818 .peer
2819 .forward_send(session.connection_id, connection_id, request.clone())
2820 },
2821 );
2822 Ok(())
2823}
2824
2825/// Notify other participants that a language server has changed.
2826async fn update_language_server(
2827 request: proto::UpdateLanguageServer,
2828 session: Session,
2829) -> Result<()> {
2830 let project_id = ProjectId::from_proto(request.project_id);
2831 let project_connection_ids = session
2832 .db()
2833 .await
2834 .project_connection_ids(project_id, session.connection_id, true)
2835 .await?;
2836 broadcast(
2837 Some(session.connection_id),
2838 project_connection_ids.iter().copied(),
2839 |connection_id| {
2840 session
2841 .peer
2842 .forward_send(session.connection_id, connection_id, request.clone())
2843 },
2844 );
2845 Ok(())
2846}
2847
2848/// forward a project request to the host. These requests should be read only
2849/// as guests are allowed to send them.
2850async fn forward_read_only_project_request<T>(
2851 request: T,
2852 response: Response<T>,
2853 session: UserSession,
2854) -> Result<()>
2855where
2856 T: EntityMessage + RequestMessage,
2857{
2858 let project_id = ProjectId::from_proto(request.remote_entity_id());
2859 let host_connection_id = session
2860 .db()
2861 .await
2862 .host_for_read_only_project_request(project_id, session.connection_id, session.user_id())
2863 .await?;
2864 let payload = session
2865 .peer
2866 .forward_request(session.connection_id, host_connection_id, request)
2867 .await?;
2868 response.send(payload)?;
2869 Ok(())
2870}
2871
2872/// forward a project request to the host. These requests are disallowed
2873/// for guests.
2874async fn forward_mutating_project_request<T>(
2875 request: T,
2876 response: Response<T>,
2877 session: UserSession,
2878) -> Result<()>
2879where
2880 T: EntityMessage + RequestMessage,
2881{
2882 let project_id = ProjectId::from_proto(request.remote_entity_id());
2883
2884 let host_connection_id = session
2885 .db()
2886 .await
2887 .host_for_mutating_project_request(project_id, session.connection_id, session.user_id())
2888 .await?;
2889 let payload = session
2890 .peer
2891 .forward_request(session.connection_id, host_connection_id, request)
2892 .await?;
2893 response.send(payload)?;
2894 Ok(())
2895}
2896
2897/// forward a project request to the host. These requests are disallowed
2898/// for guests.
2899async fn forward_versioned_mutating_project_request<T>(
2900 request: T,
2901 response: Response<T>,
2902 session: UserSession,
2903) -> Result<()>
2904where
2905 T: EntityMessage + RequestMessage + VersionedMessage,
2906{
2907 let project_id = ProjectId::from_proto(request.remote_entity_id());
2908
2909 let host_connection_id = session
2910 .db()
2911 .await
2912 .host_for_mutating_project_request(project_id, session.connection_id, session.user_id())
2913 .await?;
2914 if let Some(host_version) = session
2915 .connection_pool()
2916 .await
2917 .connection(host_connection_id)
2918 .map(|c| c.zed_version)
2919 {
2920 if let Some(min_required_version) = request.required_host_version() {
2921 if min_required_version > host_version {
2922 return Err(anyhow!(ErrorCode::RemoteUpgradeRequired
2923 .with_tag("required", &min_required_version.to_string())))?;
2924 }
2925 }
2926 }
2927
2928 let payload = session
2929 .peer
2930 .forward_request(session.connection_id, host_connection_id, request)
2931 .await?;
2932 response.send(payload)?;
2933 Ok(())
2934}
2935
2936/// Notify other participants that a new buffer has been created
2937async fn create_buffer_for_peer(
2938 request: proto::CreateBufferForPeer,
2939 session: Session,
2940) -> Result<()> {
2941 session
2942 .db()
2943 .await
2944 .check_user_is_project_host(
2945 ProjectId::from_proto(request.project_id),
2946 session.connection_id,
2947 )
2948 .await?;
2949 let peer_id = request.peer_id.ok_or_else(|| anyhow!("invalid peer id"))?;
2950 session
2951 .peer
2952 .forward_send(session.connection_id, peer_id.into(), request)?;
2953 Ok(())
2954}
2955
2956/// Notify other participants that a buffer has been updated. This is
2957/// allowed for guests as long as the update is limited to selections.
2958async fn update_buffer(
2959 request: proto::UpdateBuffer,
2960 response: Response<proto::UpdateBuffer>,
2961 session: Session,
2962) -> Result<()> {
2963 let project_id = ProjectId::from_proto(request.project_id);
2964 let mut capability = Capability::ReadOnly;
2965
2966 for op in request.operations.iter() {
2967 match op.variant {
2968 None | Some(proto::operation::Variant::UpdateSelections(_)) => {}
2969 Some(_) => capability = Capability::ReadWrite,
2970 }
2971 }
2972
2973 let host = {
2974 let guard = session
2975 .db()
2976 .await
2977 .connections_for_buffer_update(
2978 project_id,
2979 session.principal_id(),
2980 session.connection_id,
2981 capability,
2982 )
2983 .await?;
2984
2985 let (host, guests) = &*guard;
2986
2987 broadcast(
2988 Some(session.connection_id),
2989 guests.clone(),
2990 |connection_id| {
2991 session
2992 .peer
2993 .forward_send(session.connection_id, connection_id, request.clone())
2994 },
2995 );
2996
2997 *host
2998 };
2999
3000 if host != session.connection_id {
3001 session
3002 .peer
3003 .forward_request(session.connection_id, host, request.clone())
3004 .await?;
3005 }
3006
3007 response.send(proto::Ack {})?;
3008 Ok(())
3009}
3010
3011/// Notify other participants that a project has been updated.
3012async fn broadcast_project_message_from_host<T: EntityMessage<Entity = ShareProject>>(
3013 request: T,
3014 session: Session,
3015) -> Result<()> {
3016 let project_id = ProjectId::from_proto(request.remote_entity_id());
3017 let project_connection_ids = session
3018 .db()
3019 .await
3020 .project_connection_ids(project_id, session.connection_id, false)
3021 .await?;
3022
3023 broadcast(
3024 Some(session.connection_id),
3025 project_connection_ids.iter().copied(),
3026 |connection_id| {
3027 session
3028 .peer
3029 .forward_send(session.connection_id, connection_id, request.clone())
3030 },
3031 );
3032 Ok(())
3033}
3034
3035/// Start following another user in a call.
3036async fn follow(
3037 request: proto::Follow,
3038 response: Response<proto::Follow>,
3039 session: UserSession,
3040) -> Result<()> {
3041 let room_id = RoomId::from_proto(request.room_id);
3042 let project_id = request.project_id.map(ProjectId::from_proto);
3043 let leader_id = request
3044 .leader_id
3045 .ok_or_else(|| anyhow!("invalid leader id"))?
3046 .into();
3047 let follower_id = session.connection_id;
3048
3049 session
3050 .db()
3051 .await
3052 .check_room_participants(room_id, leader_id, session.connection_id)
3053 .await?;
3054
3055 let response_payload = session
3056 .peer
3057 .forward_request(session.connection_id, leader_id, request)
3058 .await?;
3059 response.send(response_payload)?;
3060
3061 if let Some(project_id) = project_id {
3062 let room = session
3063 .db()
3064 .await
3065 .follow(room_id, project_id, leader_id, follower_id)
3066 .await?;
3067 room_updated(&room, &session.peer);
3068 }
3069
3070 Ok(())
3071}
3072
3073/// Stop following another user in a call.
3074async fn unfollow(request: proto::Unfollow, session: UserSession) -> Result<()> {
3075 let room_id = RoomId::from_proto(request.room_id);
3076 let project_id = request.project_id.map(ProjectId::from_proto);
3077 let leader_id = request
3078 .leader_id
3079 .ok_or_else(|| anyhow!("invalid leader id"))?
3080 .into();
3081 let follower_id = session.connection_id;
3082
3083 session
3084 .db()
3085 .await
3086 .check_room_participants(room_id, leader_id, session.connection_id)
3087 .await?;
3088
3089 session
3090 .peer
3091 .forward_send(session.connection_id, leader_id, request)?;
3092
3093 if let Some(project_id) = project_id {
3094 let room = session
3095 .db()
3096 .await
3097 .unfollow(room_id, project_id, leader_id, follower_id)
3098 .await?;
3099 room_updated(&room, &session.peer);
3100 }
3101
3102 Ok(())
3103}
3104
3105/// Notify everyone following you of your current location.
3106async fn update_followers(request: proto::UpdateFollowers, session: UserSession) -> Result<()> {
3107 let room_id = RoomId::from_proto(request.room_id);
3108 let database = session.db.lock().await;
3109
3110 let connection_ids = if let Some(project_id) = request.project_id {
3111 let project_id = ProjectId::from_proto(project_id);
3112 database
3113 .project_connection_ids(project_id, session.connection_id, true)
3114 .await?
3115 } else {
3116 database
3117 .room_connection_ids(room_id, session.connection_id)
3118 .await?
3119 };
3120
3121 // For now, don't send view update messages back to that view's current leader.
3122 let peer_id_to_omit = request.variant.as_ref().and_then(|variant| match variant {
3123 proto::update_followers::Variant::UpdateView(payload) => payload.leader_id,
3124 _ => None,
3125 });
3126
3127 for connection_id in connection_ids.iter().cloned() {
3128 if Some(connection_id.into()) != peer_id_to_omit && connection_id != session.connection_id {
3129 session
3130 .peer
3131 .forward_send(session.connection_id, connection_id, request.clone())?;
3132 }
3133 }
3134 Ok(())
3135}
3136
3137/// Get public data about users.
3138async fn get_users(
3139 request: proto::GetUsers,
3140 response: Response<proto::GetUsers>,
3141 session: Session,
3142) -> Result<()> {
3143 let user_ids = request
3144 .user_ids
3145 .into_iter()
3146 .map(UserId::from_proto)
3147 .collect();
3148 let users = session
3149 .db()
3150 .await
3151 .get_users_by_ids(user_ids)
3152 .await?
3153 .into_iter()
3154 .map(|user| proto::User {
3155 id: user.id.to_proto(),
3156 avatar_url: format!("https://github.com/{}.png?size=128", user.github_login),
3157 github_login: user.github_login,
3158 })
3159 .collect();
3160 response.send(proto::UsersResponse { users })?;
3161 Ok(())
3162}
3163
3164/// Search for users (to invite) buy Github login
3165async fn fuzzy_search_users(
3166 request: proto::FuzzySearchUsers,
3167 response: Response<proto::FuzzySearchUsers>,
3168 session: UserSession,
3169) -> Result<()> {
3170 let query = request.query;
3171 let users = match query.len() {
3172 0 => vec![],
3173 1 | 2 => session
3174 .db()
3175 .await
3176 .get_user_by_github_login(&query)
3177 .await?
3178 .into_iter()
3179 .collect(),
3180 _ => session.db().await.fuzzy_search_users(&query, 10).await?,
3181 };
3182 let users = users
3183 .into_iter()
3184 .filter(|user| user.id != session.user_id())
3185 .map(|user| proto::User {
3186 id: user.id.to_proto(),
3187 avatar_url: format!("https://github.com/{}.png?size=128", user.github_login),
3188 github_login: user.github_login,
3189 })
3190 .collect();
3191 response.send(proto::UsersResponse { users })?;
3192 Ok(())
3193}
3194
3195/// Send a contact request to another user.
3196async fn request_contact(
3197 request: proto::RequestContact,
3198 response: Response<proto::RequestContact>,
3199 session: UserSession,
3200) -> Result<()> {
3201 let requester_id = session.user_id();
3202 let responder_id = UserId::from_proto(request.responder_id);
3203 if requester_id == responder_id {
3204 return Err(anyhow!("cannot add yourself as a contact"))?;
3205 }
3206
3207 let notifications = session
3208 .db()
3209 .await
3210 .send_contact_request(requester_id, responder_id)
3211 .await?;
3212
3213 // Update outgoing contact requests of requester
3214 let mut update = proto::UpdateContacts::default();
3215 update.outgoing_requests.push(responder_id.to_proto());
3216 for connection_id in session
3217 .connection_pool()
3218 .await
3219 .user_connection_ids(requester_id)
3220 {
3221 session.peer.send(connection_id, update.clone())?;
3222 }
3223
3224 // Update incoming contact requests of responder
3225 let mut update = proto::UpdateContacts::default();
3226 update
3227 .incoming_requests
3228 .push(proto::IncomingContactRequest {
3229 requester_id: requester_id.to_proto(),
3230 });
3231 let connection_pool = session.connection_pool().await;
3232 for connection_id in connection_pool.user_connection_ids(responder_id) {
3233 session.peer.send(connection_id, update.clone())?;
3234 }
3235
3236 send_notifications(&connection_pool, &session.peer, notifications);
3237
3238 response.send(proto::Ack {})?;
3239 Ok(())
3240}
3241
3242/// Accept or decline a contact request
3243async fn respond_to_contact_request(
3244 request: proto::RespondToContactRequest,
3245 response: Response<proto::RespondToContactRequest>,
3246 session: UserSession,
3247) -> Result<()> {
3248 let responder_id = session.user_id();
3249 let requester_id = UserId::from_proto(request.requester_id);
3250 let db = session.db().await;
3251 if request.response == proto::ContactRequestResponse::Dismiss as i32 {
3252 db.dismiss_contact_notification(responder_id, requester_id)
3253 .await?;
3254 } else {
3255 let accept = request.response == proto::ContactRequestResponse::Accept as i32;
3256
3257 let notifications = db
3258 .respond_to_contact_request(responder_id, requester_id, accept)
3259 .await?;
3260 let requester_busy = db.is_user_busy(requester_id).await?;
3261 let responder_busy = db.is_user_busy(responder_id).await?;
3262
3263 let pool = session.connection_pool().await;
3264 // Update responder with new contact
3265 let mut update = proto::UpdateContacts::default();
3266 if accept {
3267 update
3268 .contacts
3269 .push(contact_for_user(requester_id, requester_busy, &pool));
3270 }
3271 update
3272 .remove_incoming_requests
3273 .push(requester_id.to_proto());
3274 for connection_id in pool.user_connection_ids(responder_id) {
3275 session.peer.send(connection_id, update.clone())?;
3276 }
3277
3278 // Update requester with new contact
3279 let mut update = proto::UpdateContacts::default();
3280 if accept {
3281 update
3282 .contacts
3283 .push(contact_for_user(responder_id, responder_busy, &pool));
3284 }
3285 update
3286 .remove_outgoing_requests
3287 .push(responder_id.to_proto());
3288
3289 for connection_id in pool.user_connection_ids(requester_id) {
3290 session.peer.send(connection_id, update.clone())?;
3291 }
3292
3293 send_notifications(&pool, &session.peer, notifications);
3294 }
3295
3296 response.send(proto::Ack {})?;
3297 Ok(())
3298}
3299
3300/// Remove a contact.
3301async fn remove_contact(
3302 request: proto::RemoveContact,
3303 response: Response<proto::RemoveContact>,
3304 session: UserSession,
3305) -> Result<()> {
3306 let requester_id = session.user_id();
3307 let responder_id = UserId::from_proto(request.user_id);
3308 let db = session.db().await;
3309 let (contact_accepted, deleted_notification_id) =
3310 db.remove_contact(requester_id, responder_id).await?;
3311
3312 let pool = session.connection_pool().await;
3313 // Update outgoing contact requests of requester
3314 let mut update = proto::UpdateContacts::default();
3315 if contact_accepted {
3316 update.remove_contacts.push(responder_id.to_proto());
3317 } else {
3318 update
3319 .remove_outgoing_requests
3320 .push(responder_id.to_proto());
3321 }
3322 for connection_id in pool.user_connection_ids(requester_id) {
3323 session.peer.send(connection_id, update.clone())?;
3324 }
3325
3326 // Update incoming contact requests of responder
3327 let mut update = proto::UpdateContacts::default();
3328 if contact_accepted {
3329 update.remove_contacts.push(requester_id.to_proto());
3330 } else {
3331 update
3332 .remove_incoming_requests
3333 .push(requester_id.to_proto());
3334 }
3335 for connection_id in pool.user_connection_ids(responder_id) {
3336 session.peer.send(connection_id, update.clone())?;
3337 if let Some(notification_id) = deleted_notification_id {
3338 session.peer.send(
3339 connection_id,
3340 proto::DeleteNotification {
3341 notification_id: notification_id.to_proto(),
3342 },
3343 )?;
3344 }
3345 }
3346
3347 response.send(proto::Ack {})?;
3348 Ok(())
3349}
3350
3351/// Creates a new channel.
3352async fn create_channel(
3353 request: proto::CreateChannel,
3354 response: Response<proto::CreateChannel>,
3355 session: UserSession,
3356) -> Result<()> {
3357 let db = session.db().await;
3358
3359 let parent_id = request.parent_id.map(|id| ChannelId::from_proto(id));
3360 let (channel, membership) = db
3361 .create_channel(&request.name, parent_id, session.user_id())
3362 .await?;
3363
3364 let root_id = channel.root_id();
3365 let channel = Channel::from_model(channel);
3366
3367 response.send(proto::CreateChannelResponse {
3368 channel: Some(channel.to_proto()),
3369 parent_id: request.parent_id,
3370 })?;
3371
3372 let mut connection_pool = session.connection_pool().await;
3373 if let Some(membership) = membership {
3374 connection_pool.subscribe_to_channel(
3375 membership.user_id,
3376 membership.channel_id,
3377 membership.role,
3378 );
3379 let update = proto::UpdateUserChannels {
3380 channel_memberships: vec![proto::ChannelMembership {
3381 channel_id: membership.channel_id.to_proto(),
3382 role: membership.role.into(),
3383 }],
3384 ..Default::default()
3385 };
3386 for connection_id in connection_pool.user_connection_ids(membership.user_id) {
3387 session.peer.send(connection_id, update.clone())?;
3388 }
3389 }
3390
3391 for (connection_id, role) in connection_pool.channel_connection_ids(root_id) {
3392 if !role.can_see_channel(channel.visibility) {
3393 continue;
3394 }
3395
3396 let update = proto::UpdateChannels {
3397 channels: vec![channel.to_proto()],
3398 ..Default::default()
3399 };
3400 session.peer.send(connection_id, update.clone())?;
3401 }
3402
3403 Ok(())
3404}
3405
3406/// Delete a channel
3407async fn delete_channel(
3408 request: proto::DeleteChannel,
3409 response: Response<proto::DeleteChannel>,
3410 session: UserSession,
3411) -> Result<()> {
3412 let db = session.db().await;
3413
3414 let channel_id = request.channel_id;
3415 let (root_channel, removed_channels) = db
3416 .delete_channel(ChannelId::from_proto(channel_id), session.user_id())
3417 .await?;
3418 response.send(proto::Ack {})?;
3419
3420 // Notify members of removed channels
3421 let mut update = proto::UpdateChannels::default();
3422 update
3423 .delete_channels
3424 .extend(removed_channels.into_iter().map(|id| id.to_proto()));
3425
3426 let connection_pool = session.connection_pool().await;
3427 for (connection_id, _) in connection_pool.channel_connection_ids(root_channel) {
3428 session.peer.send(connection_id, update.clone())?;
3429 }
3430
3431 Ok(())
3432}
3433
3434/// Invite someone to join a channel.
3435async fn invite_channel_member(
3436 request: proto::InviteChannelMember,
3437 response: Response<proto::InviteChannelMember>,
3438 session: UserSession,
3439) -> Result<()> {
3440 let db = session.db().await;
3441 let channel_id = ChannelId::from_proto(request.channel_id);
3442 let invitee_id = UserId::from_proto(request.user_id);
3443 let InviteMemberResult {
3444 channel,
3445 notifications,
3446 } = db
3447 .invite_channel_member(
3448 channel_id,
3449 invitee_id,
3450 session.user_id(),
3451 request.role().into(),
3452 )
3453 .await?;
3454
3455 let update = proto::UpdateChannels {
3456 channel_invitations: vec![channel.to_proto()],
3457 ..Default::default()
3458 };
3459
3460 let connection_pool = session.connection_pool().await;
3461 for connection_id in connection_pool.user_connection_ids(invitee_id) {
3462 session.peer.send(connection_id, update.clone())?;
3463 }
3464
3465 send_notifications(&connection_pool, &session.peer, notifications);
3466
3467 response.send(proto::Ack {})?;
3468 Ok(())
3469}
3470
3471/// remove someone from a channel
3472async fn remove_channel_member(
3473 request: proto::RemoveChannelMember,
3474 response: Response<proto::RemoveChannelMember>,
3475 session: UserSession,
3476) -> Result<()> {
3477 let db = session.db().await;
3478 let channel_id = ChannelId::from_proto(request.channel_id);
3479 let member_id = UserId::from_proto(request.user_id);
3480
3481 let RemoveChannelMemberResult {
3482 membership_update,
3483 notification_id,
3484 } = db
3485 .remove_channel_member(channel_id, member_id, session.user_id())
3486 .await?;
3487
3488 let mut connection_pool = session.connection_pool().await;
3489 notify_membership_updated(
3490 &mut connection_pool,
3491 membership_update,
3492 member_id,
3493 &session.peer,
3494 );
3495 for connection_id in connection_pool.user_connection_ids(member_id) {
3496 if let Some(notification_id) = notification_id {
3497 session
3498 .peer
3499 .send(
3500 connection_id,
3501 proto::DeleteNotification {
3502 notification_id: notification_id.to_proto(),
3503 },
3504 )
3505 .trace_err();
3506 }
3507 }
3508
3509 response.send(proto::Ack {})?;
3510 Ok(())
3511}
3512
3513/// Toggle the channel between public and private.
3514/// Care is taken to maintain the invariant that public channels only descend from public channels,
3515/// (though members-only channels can appear at any point in the hierarchy).
3516async fn set_channel_visibility(
3517 request: proto::SetChannelVisibility,
3518 response: Response<proto::SetChannelVisibility>,
3519 session: UserSession,
3520) -> Result<()> {
3521 let db = session.db().await;
3522 let channel_id = ChannelId::from_proto(request.channel_id);
3523 let visibility = request.visibility().into();
3524
3525 let channel_model = db
3526 .set_channel_visibility(channel_id, visibility, session.user_id())
3527 .await?;
3528 let root_id = channel_model.root_id();
3529 let channel = Channel::from_model(channel_model);
3530
3531 let mut connection_pool = session.connection_pool().await;
3532 for (user_id, role) in connection_pool
3533 .channel_user_ids(root_id)
3534 .collect::<Vec<_>>()
3535 .into_iter()
3536 {
3537 let update = if role.can_see_channel(channel.visibility) {
3538 connection_pool.subscribe_to_channel(user_id, channel_id, role);
3539 proto::UpdateChannels {
3540 channels: vec![channel.to_proto()],
3541 ..Default::default()
3542 }
3543 } else {
3544 connection_pool.unsubscribe_from_channel(&user_id, &channel_id);
3545 proto::UpdateChannels {
3546 delete_channels: vec![channel.id.to_proto()],
3547 ..Default::default()
3548 }
3549 };
3550
3551 for connection_id in connection_pool.user_connection_ids(user_id) {
3552 session.peer.send(connection_id, update.clone())?;
3553 }
3554 }
3555
3556 response.send(proto::Ack {})?;
3557 Ok(())
3558}
3559
3560/// Alter the role for a user in the channel.
3561async fn set_channel_member_role(
3562 request: proto::SetChannelMemberRole,
3563 response: Response<proto::SetChannelMemberRole>,
3564 session: UserSession,
3565) -> Result<()> {
3566 let db = session.db().await;
3567 let channel_id = ChannelId::from_proto(request.channel_id);
3568 let member_id = UserId::from_proto(request.user_id);
3569 let result = db
3570 .set_channel_member_role(
3571 channel_id,
3572 session.user_id(),
3573 member_id,
3574 request.role().into(),
3575 )
3576 .await?;
3577
3578 match result {
3579 db::SetMemberRoleResult::MembershipUpdated(membership_update) => {
3580 let mut connection_pool = session.connection_pool().await;
3581 notify_membership_updated(
3582 &mut connection_pool,
3583 membership_update,
3584 member_id,
3585 &session.peer,
3586 )
3587 }
3588 db::SetMemberRoleResult::InviteUpdated(channel) => {
3589 let update = proto::UpdateChannels {
3590 channel_invitations: vec![channel.to_proto()],
3591 ..Default::default()
3592 };
3593
3594 for connection_id in session
3595 .connection_pool()
3596 .await
3597 .user_connection_ids(member_id)
3598 {
3599 session.peer.send(connection_id, update.clone())?;
3600 }
3601 }
3602 }
3603
3604 response.send(proto::Ack {})?;
3605 Ok(())
3606}
3607
3608/// Change the name of a channel
3609async fn rename_channel(
3610 request: proto::RenameChannel,
3611 response: Response<proto::RenameChannel>,
3612 session: UserSession,
3613) -> Result<()> {
3614 let db = session.db().await;
3615 let channel_id = ChannelId::from_proto(request.channel_id);
3616 let channel_model = db
3617 .rename_channel(channel_id, session.user_id(), &request.name)
3618 .await?;
3619 let root_id = channel_model.root_id();
3620 let channel = Channel::from_model(channel_model);
3621
3622 response.send(proto::RenameChannelResponse {
3623 channel: Some(channel.to_proto()),
3624 })?;
3625
3626 let connection_pool = session.connection_pool().await;
3627 let update = proto::UpdateChannels {
3628 channels: vec![channel.to_proto()],
3629 ..Default::default()
3630 };
3631 for (connection_id, role) in connection_pool.channel_connection_ids(root_id) {
3632 if role.can_see_channel(channel.visibility) {
3633 session.peer.send(connection_id, update.clone())?;
3634 }
3635 }
3636
3637 Ok(())
3638}
3639
3640/// Move a channel to a new parent.
3641async fn move_channel(
3642 request: proto::MoveChannel,
3643 response: Response<proto::MoveChannel>,
3644 session: UserSession,
3645) -> Result<()> {
3646 let channel_id = ChannelId::from_proto(request.channel_id);
3647 let to = ChannelId::from_proto(request.to);
3648
3649 let (root_id, channels) = session
3650 .db()
3651 .await
3652 .move_channel(channel_id, to, session.user_id())
3653 .await?;
3654
3655 let connection_pool = session.connection_pool().await;
3656 for (connection_id, role) in connection_pool.channel_connection_ids(root_id) {
3657 let channels = channels
3658 .iter()
3659 .filter_map(|channel| {
3660 if role.can_see_channel(channel.visibility) {
3661 Some(channel.to_proto())
3662 } else {
3663 None
3664 }
3665 })
3666 .collect::<Vec<_>>();
3667 if channels.is_empty() {
3668 continue;
3669 }
3670
3671 let update = proto::UpdateChannels {
3672 channels,
3673 ..Default::default()
3674 };
3675
3676 session.peer.send(connection_id, update.clone())?;
3677 }
3678
3679 response.send(Ack {})?;
3680 Ok(())
3681}
3682
3683/// Get the list of channel members
3684async fn get_channel_members(
3685 request: proto::GetChannelMembers,
3686 response: Response<proto::GetChannelMembers>,
3687 session: UserSession,
3688) -> Result<()> {
3689 let db = session.db().await;
3690 let channel_id = ChannelId::from_proto(request.channel_id);
3691 let limit = if request.limit == 0 {
3692 u16::MAX as u64
3693 } else {
3694 request.limit
3695 };
3696 let (members, users) = db
3697 .get_channel_participant_details(channel_id, &request.query, limit, session.user_id())
3698 .await?;
3699 response.send(proto::GetChannelMembersResponse { members, users })?;
3700 Ok(())
3701}
3702
3703/// Accept or decline a channel invitation.
3704async fn respond_to_channel_invite(
3705 request: proto::RespondToChannelInvite,
3706 response: Response<proto::RespondToChannelInvite>,
3707 session: UserSession,
3708) -> Result<()> {
3709 let db = session.db().await;
3710 let channel_id = ChannelId::from_proto(request.channel_id);
3711 let RespondToChannelInvite {
3712 membership_update,
3713 notifications,
3714 } = db
3715 .respond_to_channel_invite(channel_id, session.user_id(), request.accept)
3716 .await?;
3717
3718 let mut connection_pool = session.connection_pool().await;
3719 if let Some(membership_update) = membership_update {
3720 notify_membership_updated(
3721 &mut connection_pool,
3722 membership_update,
3723 session.user_id(),
3724 &session.peer,
3725 );
3726 } else {
3727 let update = proto::UpdateChannels {
3728 remove_channel_invitations: vec![channel_id.to_proto()],
3729 ..Default::default()
3730 };
3731
3732 for connection_id in connection_pool.user_connection_ids(session.user_id()) {
3733 session.peer.send(connection_id, update.clone())?;
3734 }
3735 };
3736
3737 send_notifications(&connection_pool, &session.peer, notifications);
3738
3739 response.send(proto::Ack {})?;
3740
3741 Ok(())
3742}
3743
3744/// Join the channels' room
3745async fn join_channel(
3746 request: proto::JoinChannel,
3747 response: Response<proto::JoinChannel>,
3748 session: UserSession,
3749) -> Result<()> {
3750 let channel_id = ChannelId::from_proto(request.channel_id);
3751 join_channel_internal(channel_id, Box::new(response), session).await
3752}
3753
3754trait JoinChannelInternalResponse {
3755 fn send(self, result: proto::JoinRoomResponse) -> Result<()>;
3756}
3757impl JoinChannelInternalResponse for Response<proto::JoinChannel> {
3758 fn send(self, result: proto::JoinRoomResponse) -> Result<()> {
3759 Response::<proto::JoinChannel>::send(self, result)
3760 }
3761}
3762impl JoinChannelInternalResponse for Response<proto::JoinRoom> {
3763 fn send(self, result: proto::JoinRoomResponse) -> Result<()> {
3764 Response::<proto::JoinRoom>::send(self, result)
3765 }
3766}
3767
3768async fn join_channel_internal(
3769 channel_id: ChannelId,
3770 response: Box<impl JoinChannelInternalResponse>,
3771 session: UserSession,
3772) -> Result<()> {
3773 let joined_room = {
3774 let mut db = session.db().await;
3775 // If zed quits without leaving the room, and the user re-opens zed before the
3776 // RECONNECT_TIMEOUT, we need to make sure that we kick the user out of the previous
3777 // room they were in.
3778 if let Some(connection) = db.stale_room_connection(session.user_id()).await? {
3779 tracing::info!(
3780 stale_connection_id = %connection,
3781 "cleaning up stale connection",
3782 );
3783 drop(db);
3784 leave_room_for_session(&session, connection).await?;
3785 db = session.db().await;
3786 }
3787
3788 let (joined_room, membership_updated, role) = db
3789 .join_channel(channel_id, session.user_id(), session.connection_id)
3790 .await?;
3791
3792 let live_kit_connection_info = session.live_kit_client.as_ref().and_then(|live_kit| {
3793 let (can_publish, token) = if role == ChannelRole::Guest {
3794 (
3795 false,
3796 live_kit
3797 .guest_token(
3798 &joined_room.room.live_kit_room,
3799 &session.user_id().to_string(),
3800 )
3801 .trace_err()?,
3802 )
3803 } else {
3804 (
3805 true,
3806 live_kit
3807 .room_token(
3808 &joined_room.room.live_kit_room,
3809 &session.user_id().to_string(),
3810 )
3811 .trace_err()?,
3812 )
3813 };
3814
3815 Some(LiveKitConnectionInfo {
3816 server_url: live_kit.url().into(),
3817 token,
3818 can_publish,
3819 })
3820 });
3821
3822 response.send(proto::JoinRoomResponse {
3823 room: Some(joined_room.room.clone()),
3824 channel_id: joined_room
3825 .channel
3826 .as_ref()
3827 .map(|channel| channel.id.to_proto()),
3828 live_kit_connection_info,
3829 })?;
3830
3831 let mut connection_pool = session.connection_pool().await;
3832 if let Some(membership_updated) = membership_updated {
3833 notify_membership_updated(
3834 &mut connection_pool,
3835 membership_updated,
3836 session.user_id(),
3837 &session.peer,
3838 );
3839 }
3840
3841 room_updated(&joined_room.room, &session.peer);
3842
3843 joined_room
3844 };
3845
3846 channel_updated(
3847 &joined_room
3848 .channel
3849 .ok_or_else(|| anyhow!("channel not returned"))?,
3850 &joined_room.room,
3851 &session.peer,
3852 &*session.connection_pool().await,
3853 );
3854
3855 update_user_contacts(session.user_id(), &session).await?;
3856 Ok(())
3857}
3858
3859/// Start editing the channel notes
3860async fn join_channel_buffer(
3861 request: proto::JoinChannelBuffer,
3862 response: Response<proto::JoinChannelBuffer>,
3863 session: UserSession,
3864) -> Result<()> {
3865 let db = session.db().await;
3866 let channel_id = ChannelId::from_proto(request.channel_id);
3867
3868 let open_response = db
3869 .join_channel_buffer(channel_id, session.user_id(), session.connection_id)
3870 .await?;
3871
3872 let collaborators = open_response.collaborators.clone();
3873 response.send(open_response)?;
3874
3875 let update = UpdateChannelBufferCollaborators {
3876 channel_id: channel_id.to_proto(),
3877 collaborators: collaborators.clone(),
3878 };
3879 channel_buffer_updated(
3880 session.connection_id,
3881 collaborators
3882 .iter()
3883 .filter_map(|collaborator| Some(collaborator.peer_id?.into())),
3884 &update,
3885 &session.peer,
3886 );
3887
3888 Ok(())
3889}
3890
3891/// Edit the channel notes
3892async fn update_channel_buffer(
3893 request: proto::UpdateChannelBuffer,
3894 session: UserSession,
3895) -> Result<()> {
3896 let db = session.db().await;
3897 let channel_id = ChannelId::from_proto(request.channel_id);
3898
3899 let (collaborators, epoch, version) = db
3900 .update_channel_buffer(channel_id, session.user_id(), &request.operations)
3901 .await?;
3902
3903 channel_buffer_updated(
3904 session.connection_id,
3905 collaborators.clone(),
3906 &proto::UpdateChannelBuffer {
3907 channel_id: channel_id.to_proto(),
3908 operations: request.operations,
3909 },
3910 &session.peer,
3911 );
3912
3913 let pool = &*session.connection_pool().await;
3914
3915 let non_collaborators =
3916 pool.channel_connection_ids(channel_id)
3917 .filter_map(|(connection_id, _)| {
3918 if collaborators.contains(&connection_id) {
3919 None
3920 } else {
3921 Some(connection_id)
3922 }
3923 });
3924
3925 broadcast(None, non_collaborators, |peer_id| {
3926 session.peer.send(
3927 peer_id,
3928 proto::UpdateChannels {
3929 latest_channel_buffer_versions: vec![proto::ChannelBufferVersion {
3930 channel_id: channel_id.to_proto(),
3931 epoch: epoch as u64,
3932 version: version.clone(),
3933 }],
3934 ..Default::default()
3935 },
3936 )
3937 });
3938
3939 Ok(())
3940}
3941
3942/// Rejoin the channel notes after a connection blip
3943async fn rejoin_channel_buffers(
3944 request: proto::RejoinChannelBuffers,
3945 response: Response<proto::RejoinChannelBuffers>,
3946 session: UserSession,
3947) -> Result<()> {
3948 let db = session.db().await;
3949 let buffers = db
3950 .rejoin_channel_buffers(&request.buffers, session.user_id(), session.connection_id)
3951 .await?;
3952
3953 for rejoined_buffer in &buffers {
3954 let collaborators_to_notify = rejoined_buffer
3955 .buffer
3956 .collaborators
3957 .iter()
3958 .filter_map(|c| Some(c.peer_id?.into()));
3959 channel_buffer_updated(
3960 session.connection_id,
3961 collaborators_to_notify,
3962 &proto::UpdateChannelBufferCollaborators {
3963 channel_id: rejoined_buffer.buffer.channel_id,
3964 collaborators: rejoined_buffer.buffer.collaborators.clone(),
3965 },
3966 &session.peer,
3967 );
3968 }
3969
3970 response.send(proto::RejoinChannelBuffersResponse {
3971 buffers: buffers.into_iter().map(|b| b.buffer).collect(),
3972 })?;
3973
3974 Ok(())
3975}
3976
3977/// Stop editing the channel notes
3978async fn leave_channel_buffer(
3979 request: proto::LeaveChannelBuffer,
3980 response: Response<proto::LeaveChannelBuffer>,
3981 session: UserSession,
3982) -> Result<()> {
3983 let db = session.db().await;
3984 let channel_id = ChannelId::from_proto(request.channel_id);
3985
3986 let left_buffer = db
3987 .leave_channel_buffer(channel_id, session.connection_id)
3988 .await?;
3989
3990 response.send(Ack {})?;
3991
3992 channel_buffer_updated(
3993 session.connection_id,
3994 left_buffer.connections,
3995 &proto::UpdateChannelBufferCollaborators {
3996 channel_id: channel_id.to_proto(),
3997 collaborators: left_buffer.collaborators,
3998 },
3999 &session.peer,
4000 );
4001
4002 Ok(())
4003}
4004
4005fn channel_buffer_updated<T: EnvelopedMessage>(
4006 sender_id: ConnectionId,
4007 collaborators: impl IntoIterator<Item = ConnectionId>,
4008 message: &T,
4009 peer: &Peer,
4010) {
4011 broadcast(Some(sender_id), collaborators, |peer_id| {
4012 peer.send(peer_id, message.clone())
4013 });
4014}
4015
4016fn send_notifications(
4017 connection_pool: &ConnectionPool,
4018 peer: &Peer,
4019 notifications: db::NotificationBatch,
4020) {
4021 for (user_id, notification) in notifications {
4022 for connection_id in connection_pool.user_connection_ids(user_id) {
4023 if let Err(error) = peer.send(
4024 connection_id,
4025 proto::AddNotification {
4026 notification: Some(notification.clone()),
4027 },
4028 ) {
4029 tracing::error!(
4030 "failed to send notification to {:?} {}",
4031 connection_id,
4032 error
4033 );
4034 }
4035 }
4036 }
4037}
4038
4039/// Send a message to the channel
4040async fn send_channel_message(
4041 request: proto::SendChannelMessage,
4042 response: Response<proto::SendChannelMessage>,
4043 session: UserSession,
4044) -> Result<()> {
4045 // Validate the message body.
4046 let body = request.body.trim().to_string();
4047 if body.len() > MAX_MESSAGE_LEN {
4048 return Err(anyhow!("message is too long"))?;
4049 }
4050 if body.is_empty() {
4051 return Err(anyhow!("message can't be blank"))?;
4052 }
4053
4054 // TODO: adjust mentions if body is trimmed
4055
4056 let timestamp = OffsetDateTime::now_utc();
4057 let nonce = request
4058 .nonce
4059 .ok_or_else(|| anyhow!("nonce can't be blank"))?;
4060
4061 let channel_id = ChannelId::from_proto(request.channel_id);
4062 let CreatedChannelMessage {
4063 message_id,
4064 participant_connection_ids,
4065 notifications,
4066 } = session
4067 .db()
4068 .await
4069 .create_channel_message(
4070 channel_id,
4071 session.user_id(),
4072 &body,
4073 &request.mentions,
4074 timestamp,
4075 nonce.clone().into(),
4076 match request.reply_to_message_id {
4077 Some(reply_to_message_id) => Some(MessageId::from_proto(reply_to_message_id)),
4078 None => None,
4079 },
4080 )
4081 .await?;
4082
4083 let message = proto::ChannelMessage {
4084 sender_id: session.user_id().to_proto(),
4085 id: message_id.to_proto(),
4086 body,
4087 mentions: request.mentions,
4088 timestamp: timestamp.unix_timestamp() as u64,
4089 nonce: Some(nonce),
4090 reply_to_message_id: request.reply_to_message_id,
4091 edited_at: None,
4092 };
4093 broadcast(
4094 Some(session.connection_id),
4095 participant_connection_ids.clone(),
4096 |connection| {
4097 session.peer.send(
4098 connection,
4099 proto::ChannelMessageSent {
4100 channel_id: channel_id.to_proto(),
4101 message: Some(message.clone()),
4102 },
4103 )
4104 },
4105 );
4106 response.send(proto::SendChannelMessageResponse {
4107 message: Some(message),
4108 })?;
4109
4110 let pool = &*session.connection_pool().await;
4111 let non_participants =
4112 pool.channel_connection_ids(channel_id)
4113 .filter_map(|(connection_id, _)| {
4114 if participant_connection_ids.contains(&connection_id) {
4115 None
4116 } else {
4117 Some(connection_id)
4118 }
4119 });
4120 broadcast(None, non_participants, |peer_id| {
4121 session.peer.send(
4122 peer_id,
4123 proto::UpdateChannels {
4124 latest_channel_message_ids: vec![proto::ChannelMessageId {
4125 channel_id: channel_id.to_proto(),
4126 message_id: message_id.to_proto(),
4127 }],
4128 ..Default::default()
4129 },
4130 )
4131 });
4132 send_notifications(pool, &session.peer, notifications);
4133
4134 Ok(())
4135}
4136
4137/// Delete a channel message
4138async fn remove_channel_message(
4139 request: proto::RemoveChannelMessage,
4140 response: Response<proto::RemoveChannelMessage>,
4141 session: UserSession,
4142) -> Result<()> {
4143 let channel_id = ChannelId::from_proto(request.channel_id);
4144 let message_id = MessageId::from_proto(request.message_id);
4145 let (connection_ids, existing_notification_ids) = session
4146 .db()
4147 .await
4148 .remove_channel_message(channel_id, message_id, session.user_id())
4149 .await?;
4150
4151 broadcast(
4152 Some(session.connection_id),
4153 connection_ids,
4154 move |connection| {
4155 session.peer.send(connection, request.clone())?;
4156
4157 for notification_id in &existing_notification_ids {
4158 session.peer.send(
4159 connection,
4160 proto::DeleteNotification {
4161 notification_id: (*notification_id).to_proto(),
4162 },
4163 )?;
4164 }
4165
4166 Ok(())
4167 },
4168 );
4169 response.send(proto::Ack {})?;
4170 Ok(())
4171}
4172
4173async fn update_channel_message(
4174 request: proto::UpdateChannelMessage,
4175 response: Response<proto::UpdateChannelMessage>,
4176 session: UserSession,
4177) -> Result<()> {
4178 let channel_id = ChannelId::from_proto(request.channel_id);
4179 let message_id = MessageId::from_proto(request.message_id);
4180 let updated_at = OffsetDateTime::now_utc();
4181 let UpdatedChannelMessage {
4182 message_id,
4183 participant_connection_ids,
4184 notifications,
4185 reply_to_message_id,
4186 timestamp,
4187 deleted_mention_notification_ids,
4188 updated_mention_notifications,
4189 } = session
4190 .db()
4191 .await
4192 .update_channel_message(
4193 channel_id,
4194 message_id,
4195 session.user_id(),
4196 request.body.as_str(),
4197 &request.mentions,
4198 updated_at,
4199 )
4200 .await?;
4201
4202 let nonce = request
4203 .nonce
4204 .clone()
4205 .ok_or_else(|| anyhow!("nonce can't be blank"))?;
4206
4207 let message = proto::ChannelMessage {
4208 sender_id: session.user_id().to_proto(),
4209 id: message_id.to_proto(),
4210 body: request.body.clone(),
4211 mentions: request.mentions.clone(),
4212 timestamp: timestamp.assume_utc().unix_timestamp() as u64,
4213 nonce: Some(nonce),
4214 reply_to_message_id: reply_to_message_id.map(|id| id.to_proto()),
4215 edited_at: Some(updated_at.unix_timestamp() as u64),
4216 };
4217
4218 response.send(proto::Ack {})?;
4219
4220 let pool = &*session.connection_pool().await;
4221 broadcast(
4222 Some(session.connection_id),
4223 participant_connection_ids,
4224 |connection| {
4225 session.peer.send(
4226 connection,
4227 proto::ChannelMessageUpdate {
4228 channel_id: channel_id.to_proto(),
4229 message: Some(message.clone()),
4230 },
4231 )?;
4232
4233 for notification_id in &deleted_mention_notification_ids {
4234 session.peer.send(
4235 connection,
4236 proto::DeleteNotification {
4237 notification_id: (*notification_id).to_proto(),
4238 },
4239 )?;
4240 }
4241
4242 for notification in &updated_mention_notifications {
4243 session.peer.send(
4244 connection,
4245 proto::UpdateNotification {
4246 notification: Some(notification.clone()),
4247 },
4248 )?;
4249 }
4250
4251 Ok(())
4252 },
4253 );
4254
4255 send_notifications(pool, &session.peer, notifications);
4256
4257 Ok(())
4258}
4259
4260/// Mark a channel message as read
4261async fn acknowledge_channel_message(
4262 request: proto::AckChannelMessage,
4263 session: UserSession,
4264) -> Result<()> {
4265 let channel_id = ChannelId::from_proto(request.channel_id);
4266 let message_id = MessageId::from_proto(request.message_id);
4267 let notifications = session
4268 .db()
4269 .await
4270 .observe_channel_message(channel_id, session.user_id(), message_id)
4271 .await?;
4272 send_notifications(
4273 &*session.connection_pool().await,
4274 &session.peer,
4275 notifications,
4276 );
4277 Ok(())
4278}
4279
4280/// Mark a buffer version as synced
4281async fn acknowledge_buffer_version(
4282 request: proto::AckBufferOperation,
4283 session: UserSession,
4284) -> Result<()> {
4285 let buffer_id = BufferId::from_proto(request.buffer_id);
4286 session
4287 .db()
4288 .await
4289 .observe_buffer_version(
4290 buffer_id,
4291 session.user_id(),
4292 request.epoch as i32,
4293 &request.version,
4294 )
4295 .await?;
4296 Ok(())
4297}
4298
4299struct CompleteWithLanguageModelRateLimit;
4300
4301impl RateLimit for CompleteWithLanguageModelRateLimit {
4302 fn capacity() -> usize {
4303 std::env::var("COMPLETE_WITH_LANGUAGE_MODEL_RATE_LIMIT_PER_HOUR")
4304 .ok()
4305 .and_then(|v| v.parse().ok())
4306 .unwrap_or(120) // Picked arbitrarily
4307 }
4308
4309 fn refill_duration() -> chrono::Duration {
4310 chrono::Duration::hours(1)
4311 }
4312
4313 fn db_name() -> &'static str {
4314 "complete-with-language-model"
4315 }
4316}
4317
4318async fn complete_with_language_model(
4319 request: proto::CompleteWithLanguageModel,
4320 response: StreamingResponse<proto::CompleteWithLanguageModel>,
4321 session: Session,
4322 open_ai_api_key: Option<Arc<str>>,
4323 google_ai_api_key: Option<Arc<str>>,
4324 anthropic_api_key: Option<Arc<str>>,
4325) -> Result<()> {
4326 let Some(session) = session.for_user() else {
4327 return Err(anyhow!("user not found"))?;
4328 };
4329 authorize_access_to_language_models(&session).await?;
4330 session
4331 .rate_limiter
4332 .check::<CompleteWithLanguageModelRateLimit>(session.user_id())
4333 .await?;
4334
4335 if request.model.starts_with("gpt") {
4336 let api_key =
4337 open_ai_api_key.ok_or_else(|| anyhow!("no OpenAI API key configured on the server"))?;
4338 complete_with_open_ai(request, response, session, api_key).await?;
4339 } else if request.model.starts_with("gemini") {
4340 let api_key = google_ai_api_key
4341 .ok_or_else(|| anyhow!("no Google AI API key configured on the server"))?;
4342 complete_with_google_ai(request, response, session, api_key).await?;
4343 } else if request.model.starts_with("claude") {
4344 let api_key = anthropic_api_key
4345 .ok_or_else(|| anyhow!("no Anthropic AI API key configured on the server"))?;
4346 complete_with_anthropic(request, response, session, api_key).await?;
4347 }
4348
4349 Ok(())
4350}
4351
4352async fn complete_with_open_ai(
4353 request: proto::CompleteWithLanguageModel,
4354 response: StreamingResponse<proto::CompleteWithLanguageModel>,
4355 session: UserSession,
4356 api_key: Arc<str>,
4357) -> Result<()> {
4358 let mut completion_stream = open_ai::stream_completion(
4359 session.http_client.as_ref(),
4360 OPEN_AI_API_URL,
4361 &api_key,
4362 crate::ai::language_model_request_to_open_ai(request)?,
4363 None,
4364 )
4365 .await
4366 .context("open_ai::stream_completion request failed within collab")?;
4367
4368 while let Some(event) = completion_stream.next().await {
4369 let event = event?;
4370 response.send(proto::LanguageModelResponse {
4371 choices: event
4372 .choices
4373 .into_iter()
4374 .map(|choice| proto::LanguageModelChoiceDelta {
4375 index: choice.index,
4376 delta: Some(proto::LanguageModelResponseMessage {
4377 role: choice.delta.role.map(|role| match role {
4378 open_ai::Role::User => LanguageModelRole::LanguageModelUser,
4379 open_ai::Role::Assistant => LanguageModelRole::LanguageModelAssistant,
4380 open_ai::Role::System => LanguageModelRole::LanguageModelSystem,
4381 open_ai::Role::Tool => LanguageModelRole::LanguageModelTool,
4382 } as i32),
4383 content: choice.delta.content,
4384 tool_calls: choice
4385 .delta
4386 .tool_calls
4387 .into_iter()
4388 .map(|delta| proto::ToolCallDelta {
4389 index: delta.index as u32,
4390 id: delta.id,
4391 variant: match delta.function {
4392 Some(function) => {
4393 let name = function.name;
4394 let arguments = function.arguments;
4395
4396 Some(proto::tool_call_delta::Variant::Function(
4397 proto::tool_call_delta::FunctionCallDelta {
4398 name,
4399 arguments,
4400 },
4401 ))
4402 }
4403 None => None,
4404 },
4405 })
4406 .collect(),
4407 }),
4408 finish_reason: choice.finish_reason,
4409 })
4410 .collect(),
4411 })?;
4412 }
4413
4414 Ok(())
4415}
4416
4417async fn complete_with_google_ai(
4418 request: proto::CompleteWithLanguageModel,
4419 response: StreamingResponse<proto::CompleteWithLanguageModel>,
4420 session: UserSession,
4421 api_key: Arc<str>,
4422) -> Result<()> {
4423 let mut stream = google_ai::stream_generate_content(
4424 session.http_client.clone(),
4425 google_ai::API_URL,
4426 api_key.as_ref(),
4427 crate::ai::language_model_request_to_google_ai(request)?,
4428 )
4429 .await
4430 .context("google_ai::stream_generate_content request failed")?;
4431
4432 while let Some(event) = stream.next().await {
4433 let event = event?;
4434 response.send(proto::LanguageModelResponse {
4435 choices: event
4436 .candidates
4437 .unwrap_or_default()
4438 .into_iter()
4439 .map(|candidate| proto::LanguageModelChoiceDelta {
4440 index: candidate.index as u32,
4441 delta: Some(proto::LanguageModelResponseMessage {
4442 role: Some(match candidate.content.role {
4443 google_ai::Role::User => LanguageModelRole::LanguageModelUser,
4444 google_ai::Role::Model => LanguageModelRole::LanguageModelAssistant,
4445 } as i32),
4446 content: Some(
4447 candidate
4448 .content
4449 .parts
4450 .into_iter()
4451 .filter_map(|part| match part {
4452 google_ai::Part::TextPart(part) => Some(part.text),
4453 google_ai::Part::InlineDataPart(_) => None,
4454 })
4455 .collect(),
4456 ),
4457 // Tool calls are not supported for Google
4458 tool_calls: Vec::new(),
4459 }),
4460 finish_reason: candidate.finish_reason.map(|reason| reason.to_string()),
4461 })
4462 .collect(),
4463 })?;
4464 }
4465
4466 Ok(())
4467}
4468
4469async fn complete_with_anthropic(
4470 request: proto::CompleteWithLanguageModel,
4471 response: StreamingResponse<proto::CompleteWithLanguageModel>,
4472 session: UserSession,
4473 api_key: Arc<str>,
4474) -> Result<()> {
4475 let model = anthropic::Model::from_id(&request.model)?;
4476
4477 let mut system_message = String::new();
4478 let messages = request
4479 .messages
4480 .into_iter()
4481 .filter_map(|message| {
4482 match message.role() {
4483 LanguageModelRole::LanguageModelUser => Some(anthropic::RequestMessage {
4484 role: anthropic::Role::User,
4485 content: message.content,
4486 }),
4487 LanguageModelRole::LanguageModelAssistant => Some(anthropic::RequestMessage {
4488 role: anthropic::Role::Assistant,
4489 content: message.content,
4490 }),
4491 // Anthropic's API breaks system instructions out as a separate field rather
4492 // than having a system message role.
4493 LanguageModelRole::LanguageModelSystem => {
4494 if !system_message.is_empty() {
4495 system_message.push_str("\n\n");
4496 }
4497 system_message.push_str(&message.content);
4498
4499 None
4500 }
4501 // We don't yet support tool calls for Anthropic
4502 LanguageModelRole::LanguageModelTool => None,
4503 }
4504 })
4505 .collect();
4506
4507 let mut stream = anthropic::stream_completion(
4508 session.http_client.as_ref(),
4509 anthropic::ANTHROPIC_API_URL,
4510 &api_key,
4511 anthropic::Request {
4512 model,
4513 messages,
4514 stream: true,
4515 system: system_message,
4516 max_tokens: 4092,
4517 },
4518 None,
4519 )
4520 .await?;
4521
4522 let mut current_role = proto::LanguageModelRole::LanguageModelAssistant;
4523
4524 while let Some(event) = stream.next().await {
4525 let event = event?;
4526
4527 match event {
4528 anthropic::ResponseEvent::MessageStart { message } => {
4529 if let Some(role) = message.role {
4530 if role == "assistant" {
4531 current_role = proto::LanguageModelRole::LanguageModelAssistant;
4532 } else if role == "user" {
4533 current_role = proto::LanguageModelRole::LanguageModelUser;
4534 }
4535 }
4536 }
4537 anthropic::ResponseEvent::ContentBlockStart { content_block, .. } => {
4538 match content_block {
4539 anthropic::ContentBlock::Text { text } => {
4540 if !text.is_empty() {
4541 response.send(proto::LanguageModelResponse {
4542 choices: vec![proto::LanguageModelChoiceDelta {
4543 index: 0,
4544 delta: Some(proto::LanguageModelResponseMessage {
4545 role: Some(current_role as i32),
4546 content: Some(text),
4547 tool_calls: Vec::new(),
4548 }),
4549 finish_reason: None,
4550 }],
4551 })?;
4552 }
4553 }
4554 }
4555 }
4556 anthropic::ResponseEvent::ContentBlockDelta { delta, .. } => match delta {
4557 anthropic::TextDelta::TextDelta { text } => {
4558 response.send(proto::LanguageModelResponse {
4559 choices: vec![proto::LanguageModelChoiceDelta {
4560 index: 0,
4561 delta: Some(proto::LanguageModelResponseMessage {
4562 role: Some(current_role as i32),
4563 content: Some(text),
4564 tool_calls: Vec::new(),
4565 }),
4566 finish_reason: None,
4567 }],
4568 })?;
4569 }
4570 },
4571 anthropic::ResponseEvent::MessageDelta { delta, .. } => {
4572 if let Some(stop_reason) = delta.stop_reason {
4573 response.send(proto::LanguageModelResponse {
4574 choices: vec![proto::LanguageModelChoiceDelta {
4575 index: 0,
4576 delta: None,
4577 finish_reason: Some(stop_reason),
4578 }],
4579 })?;
4580 }
4581 }
4582 anthropic::ResponseEvent::ContentBlockStop { .. } => {}
4583 anthropic::ResponseEvent::MessageStop {} => {}
4584 anthropic::ResponseEvent::Ping {} => {}
4585 }
4586 }
4587
4588 Ok(())
4589}
4590
4591struct CountTokensWithLanguageModelRateLimit;
4592
4593impl RateLimit for CountTokensWithLanguageModelRateLimit {
4594 fn capacity() -> usize {
4595 std::env::var("COUNT_TOKENS_WITH_LANGUAGE_MODEL_RATE_LIMIT_PER_HOUR")
4596 .ok()
4597 .and_then(|v| v.parse().ok())
4598 .unwrap_or(600) // Picked arbitrarily
4599 }
4600
4601 fn refill_duration() -> chrono::Duration {
4602 chrono::Duration::hours(1)
4603 }
4604
4605 fn db_name() -> &'static str {
4606 "count-tokens-with-language-model"
4607 }
4608}
4609
4610async fn count_tokens_with_language_model(
4611 request: proto::CountTokensWithLanguageModel,
4612 response: Response<proto::CountTokensWithLanguageModel>,
4613 session: UserSession,
4614 google_ai_api_key: Option<Arc<str>>,
4615) -> Result<()> {
4616 authorize_access_to_language_models(&session).await?;
4617
4618 if !request.model.starts_with("gemini") {
4619 return Err(anyhow!(
4620 "counting tokens for model: {:?} is not supported",
4621 request.model
4622 ))?;
4623 }
4624
4625 session
4626 .rate_limiter
4627 .check::<CountTokensWithLanguageModelRateLimit>(session.user_id())
4628 .await?;
4629
4630 let api_key = google_ai_api_key
4631 .ok_or_else(|| anyhow!("no Google AI API key configured on the server"))?;
4632 let tokens_response = google_ai::count_tokens(
4633 session.http_client.as_ref(),
4634 google_ai::API_URL,
4635 &api_key,
4636 crate::ai::count_tokens_request_to_google_ai(request)?,
4637 )
4638 .await?;
4639 response.send(proto::CountTokensResponse {
4640 token_count: tokens_response.total_tokens as u32,
4641 })?;
4642 Ok(())
4643}
4644
4645struct ComputeEmbeddingsRateLimit;
4646
4647impl RateLimit for ComputeEmbeddingsRateLimit {
4648 fn capacity() -> usize {
4649 std::env::var("EMBED_TEXTS_RATE_LIMIT_PER_HOUR")
4650 .ok()
4651 .and_then(|v| v.parse().ok())
4652 .unwrap_or(5000) // Picked arbitrarily
4653 }
4654
4655 fn refill_duration() -> chrono::Duration {
4656 chrono::Duration::hours(1)
4657 }
4658
4659 fn db_name() -> &'static str {
4660 "compute-embeddings"
4661 }
4662}
4663
4664async fn compute_embeddings(
4665 request: proto::ComputeEmbeddings,
4666 response: Response<proto::ComputeEmbeddings>,
4667 session: UserSession,
4668 api_key: Option<Arc<str>>,
4669) -> Result<()> {
4670 let api_key = api_key.context("no OpenAI API key configured on the server")?;
4671 authorize_access_to_language_models(&session).await?;
4672
4673 session
4674 .rate_limiter
4675 .check::<ComputeEmbeddingsRateLimit>(session.user_id())
4676 .await?;
4677
4678 let embeddings = match request.model.as_str() {
4679 "openai/text-embedding-3-small" => {
4680 open_ai::embed(
4681 session.http_client.as_ref(),
4682 OPEN_AI_API_URL,
4683 &api_key,
4684 OpenAiEmbeddingModel::TextEmbedding3Small,
4685 request.texts.iter().map(|text| text.as_str()),
4686 )
4687 .await?
4688 }
4689 provider => return Err(anyhow!("unsupported embedding provider {:?}", provider))?,
4690 };
4691
4692 let embeddings = request
4693 .texts
4694 .iter()
4695 .map(|text| {
4696 let mut hasher = sha2::Sha256::new();
4697 hasher.update(text.as_bytes());
4698 let result = hasher.finalize();
4699 result.to_vec()
4700 })
4701 .zip(
4702 embeddings
4703 .data
4704 .into_iter()
4705 .map(|embedding| embedding.embedding),
4706 )
4707 .collect::<HashMap<_, _>>();
4708
4709 let db = session.db().await;
4710 db.save_embeddings(&request.model, &embeddings)
4711 .await
4712 .context("failed to save embeddings")
4713 .trace_err();
4714
4715 response.send(proto::ComputeEmbeddingsResponse {
4716 embeddings: embeddings
4717 .into_iter()
4718 .map(|(digest, dimensions)| proto::Embedding { digest, dimensions })
4719 .collect(),
4720 })?;
4721 Ok(())
4722}
4723
4724async fn get_cached_embeddings(
4725 request: proto::GetCachedEmbeddings,
4726 response: Response<proto::GetCachedEmbeddings>,
4727 session: UserSession,
4728) -> Result<()> {
4729 authorize_access_to_language_models(&session).await?;
4730
4731 let db = session.db().await;
4732 let embeddings = db.get_embeddings(&request.model, &request.digests).await?;
4733
4734 response.send(proto::GetCachedEmbeddingsResponse {
4735 embeddings: embeddings
4736 .into_iter()
4737 .map(|(digest, dimensions)| proto::Embedding { digest, dimensions })
4738 .collect(),
4739 })?;
4740 Ok(())
4741}
4742
4743async fn authorize_access_to_language_models(session: &UserSession) -> Result<(), Error> {
4744 let db = session.db().await;
4745 let flags = db.get_user_flags(session.user_id()).await?;
4746 if flags.iter().any(|flag| flag == "language-models") {
4747 Ok(())
4748 } else {
4749 Err(anyhow!("permission denied"))?
4750 }
4751}
4752
4753/// Get a Supermaven API key for the user
4754async fn get_supermaven_api_key(
4755 _request: proto::GetSupermavenApiKey,
4756 response: Response<proto::GetSupermavenApiKey>,
4757 session: UserSession,
4758) -> Result<()> {
4759 let user_id: String = session.user_id().to_string();
4760 if !session.is_staff() {
4761 return Err(anyhow!("supermaven not enabled for this account"))?;
4762 }
4763
4764 let email = session
4765 .email()
4766 .ok_or_else(|| anyhow!("user must have an email"))?;
4767
4768 let supermaven_admin_api = session
4769 .supermaven_client
4770 .as_ref()
4771 .ok_or_else(|| anyhow!("supermaven not configured"))?;
4772
4773 let result = supermaven_admin_api
4774 .try_get_or_create_user(CreateExternalUserRequest { id: user_id, email })
4775 .await?;
4776
4777 response.send(proto::GetSupermavenApiKeyResponse {
4778 api_key: result.api_key,
4779 })?;
4780
4781 Ok(())
4782}
4783
4784/// Start receiving chat updates for a channel
4785async fn join_channel_chat(
4786 request: proto::JoinChannelChat,
4787 response: Response<proto::JoinChannelChat>,
4788 session: UserSession,
4789) -> Result<()> {
4790 let channel_id = ChannelId::from_proto(request.channel_id);
4791
4792 let db = session.db().await;
4793 db.join_channel_chat(channel_id, session.connection_id, session.user_id())
4794 .await?;
4795 let messages = db
4796 .get_channel_messages(channel_id, session.user_id(), MESSAGE_COUNT_PER_PAGE, None)
4797 .await?;
4798 response.send(proto::JoinChannelChatResponse {
4799 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
4800 messages,
4801 })?;
4802 Ok(())
4803}
4804
4805/// Stop receiving chat updates for a channel
4806async fn leave_channel_chat(request: proto::LeaveChannelChat, session: UserSession) -> Result<()> {
4807 let channel_id = ChannelId::from_proto(request.channel_id);
4808 session
4809 .db()
4810 .await
4811 .leave_channel_chat(channel_id, session.connection_id, session.user_id())
4812 .await?;
4813 Ok(())
4814}
4815
4816/// Retrieve the chat history for a channel
4817async fn get_channel_messages(
4818 request: proto::GetChannelMessages,
4819 response: Response<proto::GetChannelMessages>,
4820 session: UserSession,
4821) -> Result<()> {
4822 let channel_id = ChannelId::from_proto(request.channel_id);
4823 let messages = session
4824 .db()
4825 .await
4826 .get_channel_messages(
4827 channel_id,
4828 session.user_id(),
4829 MESSAGE_COUNT_PER_PAGE,
4830 Some(MessageId::from_proto(request.before_message_id)),
4831 )
4832 .await?;
4833 response.send(proto::GetChannelMessagesResponse {
4834 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
4835 messages,
4836 })?;
4837 Ok(())
4838}
4839
4840/// Retrieve specific chat messages
4841async fn get_channel_messages_by_id(
4842 request: proto::GetChannelMessagesById,
4843 response: Response<proto::GetChannelMessagesById>,
4844 session: UserSession,
4845) -> Result<()> {
4846 let message_ids = request
4847 .message_ids
4848 .iter()
4849 .map(|id| MessageId::from_proto(*id))
4850 .collect::<Vec<_>>();
4851 let messages = session
4852 .db()
4853 .await
4854 .get_channel_messages_by_id(session.user_id(), &message_ids)
4855 .await?;
4856 response.send(proto::GetChannelMessagesResponse {
4857 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
4858 messages,
4859 })?;
4860 Ok(())
4861}
4862
4863/// Retrieve the current users notifications
4864async fn get_notifications(
4865 request: proto::GetNotifications,
4866 response: Response<proto::GetNotifications>,
4867 session: UserSession,
4868) -> Result<()> {
4869 let notifications = session
4870 .db()
4871 .await
4872 .get_notifications(
4873 session.user_id(),
4874 NOTIFICATION_COUNT_PER_PAGE,
4875 request
4876 .before_id
4877 .map(|id| db::NotificationId::from_proto(id)),
4878 )
4879 .await?;
4880 response.send(proto::GetNotificationsResponse {
4881 done: notifications.len() < NOTIFICATION_COUNT_PER_PAGE,
4882 notifications,
4883 })?;
4884 Ok(())
4885}
4886
4887/// Mark notifications as read
4888async fn mark_notification_as_read(
4889 request: proto::MarkNotificationRead,
4890 response: Response<proto::MarkNotificationRead>,
4891 session: UserSession,
4892) -> Result<()> {
4893 let database = &session.db().await;
4894 let notifications = database
4895 .mark_notification_as_read_by_id(
4896 session.user_id(),
4897 NotificationId::from_proto(request.notification_id),
4898 )
4899 .await?;
4900 send_notifications(
4901 &*session.connection_pool().await,
4902 &session.peer,
4903 notifications,
4904 );
4905 response.send(proto::Ack {})?;
4906 Ok(())
4907}
4908
4909/// Get the current users information
4910async fn get_private_user_info(
4911 _request: proto::GetPrivateUserInfo,
4912 response: Response<proto::GetPrivateUserInfo>,
4913 session: UserSession,
4914) -> Result<()> {
4915 let db = session.db().await;
4916
4917 let metrics_id = db.get_user_metrics_id(session.user_id()).await?;
4918 let user = db
4919 .get_user_by_id(session.user_id())
4920 .await?
4921 .ok_or_else(|| anyhow!("user not found"))?;
4922 let flags = db.get_user_flags(session.user_id()).await?;
4923
4924 response.send(proto::GetPrivateUserInfoResponse {
4925 metrics_id,
4926 staff: user.admin,
4927 flags,
4928 })?;
4929 Ok(())
4930}
4931
4932fn to_axum_message(message: TungsteniteMessage) -> AxumMessage {
4933 match message {
4934 TungsteniteMessage::Text(payload) => AxumMessage::Text(payload),
4935 TungsteniteMessage::Binary(payload) => AxumMessage::Binary(payload),
4936 TungsteniteMessage::Ping(payload) => AxumMessage::Ping(payload),
4937 TungsteniteMessage::Pong(payload) => AxumMessage::Pong(payload),
4938 TungsteniteMessage::Close(frame) => AxumMessage::Close(frame.map(|frame| AxumCloseFrame {
4939 code: frame.code.into(),
4940 reason: frame.reason,
4941 })),
4942 }
4943}
4944
4945fn to_tungstenite_message(message: AxumMessage) -> TungsteniteMessage {
4946 match message {
4947 AxumMessage::Text(payload) => TungsteniteMessage::Text(payload),
4948 AxumMessage::Binary(payload) => TungsteniteMessage::Binary(payload),
4949 AxumMessage::Ping(payload) => TungsteniteMessage::Ping(payload),
4950 AxumMessage::Pong(payload) => TungsteniteMessage::Pong(payload),
4951 AxumMessage::Close(frame) => {
4952 TungsteniteMessage::Close(frame.map(|frame| TungsteniteCloseFrame {
4953 code: frame.code.into(),
4954 reason: frame.reason,
4955 }))
4956 }
4957 }
4958}
4959
4960fn notify_membership_updated(
4961 connection_pool: &mut ConnectionPool,
4962 result: MembershipUpdated,
4963 user_id: UserId,
4964 peer: &Peer,
4965) {
4966 for membership in &result.new_channels.channel_memberships {
4967 connection_pool.subscribe_to_channel(user_id, membership.channel_id, membership.role)
4968 }
4969 for channel_id in &result.removed_channels {
4970 connection_pool.unsubscribe_from_channel(&user_id, channel_id)
4971 }
4972
4973 let user_channels_update = proto::UpdateUserChannels {
4974 channel_memberships: result
4975 .new_channels
4976 .channel_memberships
4977 .iter()
4978 .map(|cm| proto::ChannelMembership {
4979 channel_id: cm.channel_id.to_proto(),
4980 role: cm.role.into(),
4981 })
4982 .collect(),
4983 ..Default::default()
4984 };
4985
4986 let mut update = build_channels_update(result.new_channels, vec![]);
4987 update.delete_channels = result
4988 .removed_channels
4989 .into_iter()
4990 .map(|id| id.to_proto())
4991 .collect();
4992 update.remove_channel_invitations = vec![result.channel_id.to_proto()];
4993
4994 for connection_id in connection_pool.user_connection_ids(user_id) {
4995 peer.send(connection_id, user_channels_update.clone())
4996 .trace_err();
4997 peer.send(connection_id, update.clone()).trace_err();
4998 }
4999}
5000
5001fn build_update_user_channels(channels: &ChannelsForUser) -> proto::UpdateUserChannels {
5002 proto::UpdateUserChannels {
5003 channel_memberships: channels
5004 .channel_memberships
5005 .iter()
5006 .map(|m| proto::ChannelMembership {
5007 channel_id: m.channel_id.to_proto(),
5008 role: m.role.into(),
5009 })
5010 .collect(),
5011 observed_channel_buffer_version: channels.observed_buffer_versions.clone(),
5012 observed_channel_message_id: channels.observed_channel_messages.clone(),
5013 }
5014}
5015
5016fn build_channels_update(
5017 channels: ChannelsForUser,
5018 channel_invites: Vec<db::Channel>,
5019) -> proto::UpdateChannels {
5020 let mut update = proto::UpdateChannels::default();
5021
5022 for channel in channels.channels {
5023 update.channels.push(channel.to_proto());
5024 }
5025
5026 update.latest_channel_buffer_versions = channels.latest_buffer_versions;
5027 update.latest_channel_message_ids = channels.latest_channel_messages;
5028
5029 for (channel_id, participants) in channels.channel_participants {
5030 update
5031 .channel_participants
5032 .push(proto::ChannelParticipants {
5033 channel_id: channel_id.to_proto(),
5034 participant_user_ids: participants.into_iter().map(|id| id.to_proto()).collect(),
5035 });
5036 }
5037
5038 for channel in channel_invites {
5039 update.channel_invitations.push(channel.to_proto());
5040 }
5041
5042 update.hosted_projects = channels.hosted_projects;
5043 update
5044}
5045
5046fn build_initial_contacts_update(
5047 contacts: Vec<db::Contact>,
5048 pool: &ConnectionPool,
5049) -> proto::UpdateContacts {
5050 let mut update = proto::UpdateContacts::default();
5051
5052 for contact in contacts {
5053 match contact {
5054 db::Contact::Accepted { user_id, busy } => {
5055 update.contacts.push(contact_for_user(user_id, busy, &pool));
5056 }
5057 db::Contact::Outgoing { user_id } => update.outgoing_requests.push(user_id.to_proto()),
5058 db::Contact::Incoming { user_id } => {
5059 update
5060 .incoming_requests
5061 .push(proto::IncomingContactRequest {
5062 requester_id: user_id.to_proto(),
5063 })
5064 }
5065 }
5066 }
5067
5068 update
5069}
5070
5071fn contact_for_user(user_id: UserId, busy: bool, pool: &ConnectionPool) -> proto::Contact {
5072 proto::Contact {
5073 user_id: user_id.to_proto(),
5074 online: pool.is_user_online(user_id),
5075 busy,
5076 }
5077}
5078
5079fn room_updated(room: &proto::Room, peer: &Peer) {
5080 broadcast(
5081 None,
5082 room.participants
5083 .iter()
5084 .filter_map(|participant| Some(participant.peer_id?.into())),
5085 |peer_id| {
5086 peer.send(
5087 peer_id,
5088 proto::RoomUpdated {
5089 room: Some(room.clone()),
5090 },
5091 )
5092 },
5093 );
5094}
5095
5096fn channel_updated(
5097 channel: &db::channel::Model,
5098 room: &proto::Room,
5099 peer: &Peer,
5100 pool: &ConnectionPool,
5101) {
5102 let participants = room
5103 .participants
5104 .iter()
5105 .map(|p| p.user_id)
5106 .collect::<Vec<_>>();
5107
5108 broadcast(
5109 None,
5110 pool.channel_connection_ids(channel.root_id())
5111 .filter_map(|(channel_id, role)| {
5112 role.can_see_channel(channel.visibility).then(|| channel_id)
5113 }),
5114 |peer_id| {
5115 peer.send(
5116 peer_id,
5117 proto::UpdateChannels {
5118 channel_participants: vec![proto::ChannelParticipants {
5119 channel_id: channel.id.to_proto(),
5120 participant_user_ids: participants.clone(),
5121 }],
5122 ..Default::default()
5123 },
5124 )
5125 },
5126 );
5127}
5128
5129async fn send_dev_server_projects_update(
5130 user_id: UserId,
5131 mut status: proto::DevServerProjectsUpdate,
5132 session: &Session,
5133) {
5134 let pool = session.connection_pool().await;
5135 for dev_server in &mut status.dev_servers {
5136 dev_server.status =
5137 pool.dev_server_status(DevServerId(dev_server.dev_server_id as i32)) as i32;
5138 }
5139 let connections = pool.user_connection_ids(user_id);
5140 for connection_id in connections {
5141 session.peer.send(connection_id, status.clone()).trace_err();
5142 }
5143}
5144
5145async fn update_user_contacts(user_id: UserId, session: &Session) -> Result<()> {
5146 let db = session.db().await;
5147
5148 let contacts = db.get_contacts(user_id).await?;
5149 let busy = db.is_user_busy(user_id).await?;
5150
5151 let pool = session.connection_pool().await;
5152 let updated_contact = contact_for_user(user_id, busy, &pool);
5153 for contact in contacts {
5154 if let db::Contact::Accepted {
5155 user_id: contact_user_id,
5156 ..
5157 } = contact
5158 {
5159 for contact_conn_id in pool.user_connection_ids(contact_user_id) {
5160 session
5161 .peer
5162 .send(
5163 contact_conn_id,
5164 proto::UpdateContacts {
5165 contacts: vec![updated_contact.clone()],
5166 remove_contacts: Default::default(),
5167 incoming_requests: Default::default(),
5168 remove_incoming_requests: Default::default(),
5169 outgoing_requests: Default::default(),
5170 remove_outgoing_requests: Default::default(),
5171 },
5172 )
5173 .trace_err();
5174 }
5175 }
5176 }
5177 Ok(())
5178}
5179
5180async fn lost_dev_server_connection(session: &DevServerSession) -> Result<()> {
5181 log::info!("lost dev server connection, unsharing projects");
5182 let project_ids = session
5183 .db()
5184 .await
5185 .get_stale_dev_server_projects(session.connection_id)
5186 .await?;
5187
5188 for project_id in project_ids {
5189 // not unshare re-checks the connection ids match, so we get away with no transaction
5190 unshare_project_internal(project_id, session.connection_id, None, &session).await?;
5191 }
5192
5193 let user_id = session.dev_server().user_id;
5194 let update = session
5195 .db()
5196 .await
5197 .dev_server_projects_update(user_id)
5198 .await?;
5199
5200 send_dev_server_projects_update(user_id, update, session).await;
5201
5202 Ok(())
5203}
5204
5205async fn leave_room_for_session(session: &UserSession, connection_id: ConnectionId) -> Result<()> {
5206 let mut contacts_to_update = HashSet::default();
5207
5208 let room_id;
5209 let canceled_calls_to_user_ids;
5210 let live_kit_room;
5211 let delete_live_kit_room;
5212 let room;
5213 let channel;
5214
5215 if let Some(mut left_room) = session.db().await.leave_room(connection_id).await? {
5216 contacts_to_update.insert(session.user_id());
5217
5218 for project in left_room.left_projects.values() {
5219 project_left(project, session);
5220 }
5221
5222 room_id = RoomId::from_proto(left_room.room.id);
5223 canceled_calls_to_user_ids = mem::take(&mut left_room.canceled_calls_to_user_ids);
5224 live_kit_room = mem::take(&mut left_room.room.live_kit_room);
5225 delete_live_kit_room = left_room.deleted;
5226 room = mem::take(&mut left_room.room);
5227 channel = mem::take(&mut left_room.channel);
5228
5229 room_updated(&room, &session.peer);
5230 } else {
5231 return Ok(());
5232 }
5233
5234 if let Some(channel) = channel {
5235 channel_updated(
5236 &channel,
5237 &room,
5238 &session.peer,
5239 &*session.connection_pool().await,
5240 );
5241 }
5242
5243 {
5244 let pool = session.connection_pool().await;
5245 for canceled_user_id in canceled_calls_to_user_ids {
5246 for connection_id in pool.user_connection_ids(canceled_user_id) {
5247 session
5248 .peer
5249 .send(
5250 connection_id,
5251 proto::CallCanceled {
5252 room_id: room_id.to_proto(),
5253 },
5254 )
5255 .trace_err();
5256 }
5257 contacts_to_update.insert(canceled_user_id);
5258 }
5259 }
5260
5261 for contact_user_id in contacts_to_update {
5262 update_user_contacts(contact_user_id, &session).await?;
5263 }
5264
5265 if let Some(live_kit) = session.live_kit_client.as_ref() {
5266 live_kit
5267 .remove_participant(live_kit_room.clone(), session.user_id().to_string())
5268 .await
5269 .trace_err();
5270
5271 if delete_live_kit_room {
5272 live_kit.delete_room(live_kit_room).await.trace_err();
5273 }
5274 }
5275
5276 Ok(())
5277}
5278
5279async fn leave_channel_buffers_for_session(session: &Session) -> Result<()> {
5280 let left_channel_buffers = session
5281 .db()
5282 .await
5283 .leave_channel_buffers(session.connection_id)
5284 .await?;
5285
5286 for left_buffer in left_channel_buffers {
5287 channel_buffer_updated(
5288 session.connection_id,
5289 left_buffer.connections,
5290 &proto::UpdateChannelBufferCollaborators {
5291 channel_id: left_buffer.channel_id.to_proto(),
5292 collaborators: left_buffer.collaborators,
5293 },
5294 &session.peer,
5295 );
5296 }
5297
5298 Ok(())
5299}
5300
5301fn project_left(project: &db::LeftProject, session: &UserSession) {
5302 for connection_id in &project.connection_ids {
5303 if project.should_unshare {
5304 session
5305 .peer
5306 .send(
5307 *connection_id,
5308 proto::UnshareProject {
5309 project_id: project.id.to_proto(),
5310 },
5311 )
5312 .trace_err();
5313 } else {
5314 session
5315 .peer
5316 .send(
5317 *connection_id,
5318 proto::RemoveProjectCollaborator {
5319 project_id: project.id.to_proto(),
5320 peer_id: Some(session.connection_id.into()),
5321 },
5322 )
5323 .trace_err();
5324 }
5325 }
5326}
5327
5328pub trait ResultExt {
5329 type Ok;
5330
5331 fn trace_err(self) -> Option<Self::Ok>;
5332}
5333
5334impl<T, E> ResultExt for Result<T, E>
5335where
5336 E: std::fmt::Debug,
5337{
5338 type Ok = T;
5339
5340 #[track_caller]
5341 fn trace_err(self) -> Option<T> {
5342 match self {
5343 Ok(value) => Some(value),
5344 Err(error) => {
5345 tracing::error!("{:?}", error);
5346 None
5347 }
5348 }
5349 }
5350}