1mod connection_pool;
2
3use crate::api::CloudflareIpCountryHeader;
4use crate::llm::LlmTokenClaims;
5use crate::{
6 auth,
7 db::{
8 self, dev_server, BufferId, Capability, Channel, ChannelId, ChannelRole, ChannelsForUser,
9 CreatedChannelMessage, Database, DevServerId, DevServerProjectId, InviteMemberResult,
10 MembershipUpdated, MessageId, NotificationId, PrincipalId, Project, ProjectId,
11 RejoinedProject, RemoveChannelMemberResult, ReplicaId, RespondToChannelInvite, RoomId,
12 ServerId, UpdatedChannelMessage, User, UserId,
13 },
14 executor::Executor,
15 AppState, Config, Error, RateLimit, Result,
16};
17use anyhow::{anyhow, bail, Context as _};
18use async_tungstenite::tungstenite::{
19 protocol::CloseFrame as TungsteniteCloseFrame, Message as TungsteniteMessage,
20};
21use axum::{
22 body::Body,
23 extract::{
24 ws::{CloseFrame as AxumCloseFrame, Message as AxumMessage},
25 ConnectInfo, WebSocketUpgrade,
26 },
27 headers::{Header, HeaderName},
28 http::StatusCode,
29 middleware,
30 response::IntoResponse,
31 routing::get,
32 Extension, Router, TypedHeader,
33};
34use chrono::Utc;
35use collections::{HashMap, HashSet};
36pub use connection_pool::{ConnectionPool, ZedVersion};
37use core::fmt::{self, Debug, Formatter};
38use open_ai::{OpenAiEmbeddingModel, OPEN_AI_API_URL};
39use sha2::Digest;
40use supermaven_api::{CreateExternalUserRequest, SupermavenAdminApi};
41
42use futures::{
43 channel::oneshot,
44 future::{self, BoxFuture},
45 stream::FuturesUnordered,
46 FutureExt, SinkExt, StreamExt, TryStreamExt,
47};
48use http_client::IsahcHttpClient;
49use prometheus::{register_int_gauge, IntGauge};
50use rpc::{
51 proto::{
52 self, Ack, AnyTypedEnvelope, EntityMessage, EnvelopedMessage, LiveKitConnectionInfo,
53 RequestMessage, ShareProject, UpdateChannelBufferCollaborators,
54 },
55 Connection, ConnectionId, ErrorCode, ErrorCodeExt, ErrorExt, Peer, Receipt, TypedEnvelope,
56};
57use semantic_version::SemanticVersion;
58use serde::{Serialize, Serializer};
59use std::{
60 any::TypeId,
61 future::Future,
62 marker::PhantomData,
63 mem,
64 net::SocketAddr,
65 ops::{Deref, DerefMut},
66 rc::Rc,
67 sync::{
68 atomic::{AtomicBool, Ordering::SeqCst},
69 Arc, OnceLock,
70 },
71 time::{Duration, Instant},
72};
73use time::OffsetDateTime;
74use tokio::sync::{watch, MutexGuard, Semaphore};
75use tower::ServiceBuilder;
76use tracing::{
77 field::{self},
78 info_span, instrument, Instrument,
79};
80
81pub const RECONNECT_TIMEOUT: Duration = Duration::from_secs(30);
82
83// kubernetes gives terminated pods 10s to shutdown gracefully. After they're gone, we can clean up old resources.
84pub const CLEANUP_TIMEOUT: Duration = Duration::from_secs(15);
85
86const MESSAGE_COUNT_PER_PAGE: usize = 100;
87const MAX_MESSAGE_LEN: usize = 1024;
88const NOTIFICATION_COUNT_PER_PAGE: usize = 50;
89
90type MessageHandler =
91 Box<dyn Send + Sync + Fn(Box<dyn AnyTypedEnvelope>, Session) -> BoxFuture<'static, ()>>;
92
93struct Response<R> {
94 peer: Arc<Peer>,
95 receipt: Receipt<R>,
96 responded: Arc<AtomicBool>,
97}
98
99impl<R: RequestMessage> Response<R> {
100 fn send(self, payload: R::Response) -> Result<()> {
101 self.responded.store(true, SeqCst);
102 self.peer.respond(self.receipt, payload)?;
103 Ok(())
104 }
105}
106
107#[derive(Clone, Debug)]
108pub enum Principal {
109 User(User),
110 Impersonated { user: User, admin: User },
111 DevServer(dev_server::Model),
112}
113
114impl Principal {
115 fn update_span(&self, span: &tracing::Span) {
116 match &self {
117 Principal::User(user) => {
118 span.record("user_id", user.id.0);
119 span.record("login", &user.github_login);
120 }
121 Principal::Impersonated { user, admin } => {
122 span.record("user_id", user.id.0);
123 span.record("login", &user.github_login);
124 span.record("impersonator", &admin.github_login);
125 }
126 Principal::DevServer(dev_server) => {
127 span.record("dev_server_id", dev_server.id.0);
128 }
129 }
130 }
131}
132
133#[derive(Clone)]
134struct Session {
135 principal: Principal,
136 connection_id: ConnectionId,
137 db: Arc<tokio::sync::Mutex<DbHandle>>,
138 peer: Arc<Peer>,
139 connection_pool: Arc<parking_lot::Mutex<ConnectionPool>>,
140 app_state: Arc<AppState>,
141 supermaven_client: Option<Arc<SupermavenAdminApi>>,
142 http_client: Arc<IsahcHttpClient>,
143 /// The GeoIP country code for the user.
144 #[allow(unused)]
145 geoip_country_code: Option<String>,
146 _executor: Executor,
147}
148
149impl Session {
150 async fn db(&self) -> tokio::sync::MutexGuard<DbHandle> {
151 #[cfg(test)]
152 tokio::task::yield_now().await;
153 let guard = self.db.lock().await;
154 #[cfg(test)]
155 tokio::task::yield_now().await;
156 guard
157 }
158
159 async fn connection_pool(&self) -> ConnectionPoolGuard<'_> {
160 #[cfg(test)]
161 tokio::task::yield_now().await;
162 let guard = self.connection_pool.lock();
163 ConnectionPoolGuard {
164 guard,
165 _not_send: PhantomData,
166 }
167 }
168
169 fn for_user(self) -> Option<UserSession> {
170 UserSession::new(self)
171 }
172
173 fn for_dev_server(self) -> Option<DevServerSession> {
174 DevServerSession::new(self)
175 }
176
177 fn user_id(&self) -> Option<UserId> {
178 match &self.principal {
179 Principal::User(user) => Some(user.id),
180 Principal::Impersonated { user, .. } => Some(user.id),
181 Principal::DevServer(_) => None,
182 }
183 }
184
185 fn is_staff(&self) -> bool {
186 match &self.principal {
187 Principal::User(user) => user.admin,
188 Principal::Impersonated { .. } => true,
189 Principal::DevServer(_) => false,
190 }
191 }
192
193 pub async fn current_plan(&self, db: MutexGuard<'_, DbHandle>) -> anyhow::Result<proto::Plan> {
194 if self.is_staff() {
195 return Ok(proto::Plan::ZedPro);
196 }
197
198 let Some(user_id) = self.user_id() else {
199 return Ok(proto::Plan::Free);
200 };
201
202 if db.has_active_billing_subscription(user_id).await? {
203 Ok(proto::Plan::ZedPro)
204 } else {
205 Ok(proto::Plan::Free)
206 }
207 }
208
209 fn dev_server_id(&self) -> Option<DevServerId> {
210 match &self.principal {
211 Principal::User(_) | Principal::Impersonated { .. } => None,
212 Principal::DevServer(dev_server) => Some(dev_server.id),
213 }
214 }
215
216 fn principal_id(&self) -> PrincipalId {
217 match &self.principal {
218 Principal::User(user) => PrincipalId::UserId(user.id),
219 Principal::Impersonated { user, .. } => PrincipalId::UserId(user.id),
220 Principal::DevServer(dev_server) => PrincipalId::DevServerId(dev_server.id),
221 }
222 }
223}
224
225impl Debug for Session {
226 fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
227 let mut result = f.debug_struct("Session");
228 match &self.principal {
229 Principal::User(user) => {
230 result.field("user", &user.github_login);
231 }
232 Principal::Impersonated { user, admin } => {
233 result.field("user", &user.github_login);
234 result.field("impersonator", &admin.github_login);
235 }
236 Principal::DevServer(dev_server) => {
237 result.field("dev_server", &dev_server.id);
238 }
239 }
240 result.field("connection_id", &self.connection_id).finish()
241 }
242}
243
244struct UserSession(Session);
245
246impl UserSession {
247 pub fn new(s: Session) -> Option<Self> {
248 s.user_id().map(|_| UserSession(s))
249 }
250 pub fn user_id(&self) -> UserId {
251 self.0.user_id().unwrap()
252 }
253
254 pub fn email(&self) -> Option<String> {
255 match &self.0.principal {
256 Principal::User(user) => user.email_address.clone(),
257 Principal::Impersonated { user, .. } => user.email_address.clone(),
258 Principal::DevServer(..) => None,
259 }
260 }
261}
262
263impl Deref for UserSession {
264 type Target = Session;
265
266 fn deref(&self) -> &Self::Target {
267 &self.0
268 }
269}
270impl DerefMut for UserSession {
271 fn deref_mut(&mut self) -> &mut Self::Target {
272 &mut self.0
273 }
274}
275
276struct DevServerSession(Session);
277
278impl DevServerSession {
279 pub fn new(s: Session) -> Option<Self> {
280 s.dev_server_id().map(|_| DevServerSession(s))
281 }
282 pub fn dev_server_id(&self) -> DevServerId {
283 self.0.dev_server_id().unwrap()
284 }
285
286 fn dev_server(&self) -> &dev_server::Model {
287 match &self.0.principal {
288 Principal::DevServer(dev_server) => dev_server,
289 _ => unreachable!(),
290 }
291 }
292}
293
294impl Deref for DevServerSession {
295 type Target = Session;
296
297 fn deref(&self) -> &Self::Target {
298 &self.0
299 }
300}
301impl DerefMut for DevServerSession {
302 fn deref_mut(&mut self) -> &mut Self::Target {
303 &mut self.0
304 }
305}
306
307fn user_handler<M: RequestMessage, Fut>(
308 handler: impl 'static + Send + Sync + Fn(M, Response<M>, UserSession) -> Fut,
309) -> impl 'static + Send + Sync + Fn(M, Response<M>, Session) -> BoxFuture<'static, Result<()>>
310where
311 Fut: Send + Future<Output = Result<()>>,
312{
313 let handler = Arc::new(handler);
314 move |message, response, session| {
315 let handler = handler.clone();
316 Box::pin(async move {
317 if let Some(user_session) = session.for_user() {
318 Ok(handler(message, response, user_session).await?)
319 } else {
320 Err(Error::Internal(anyhow!(
321 "must be a user to call {}",
322 M::NAME
323 )))
324 }
325 })
326 }
327}
328
329fn dev_server_handler<M: RequestMessage, Fut>(
330 handler: impl 'static + Send + Sync + Fn(M, Response<M>, DevServerSession) -> Fut,
331) -> impl 'static + Send + Sync + Fn(M, Response<M>, Session) -> BoxFuture<'static, Result<()>>
332where
333 Fut: Send + Future<Output = Result<()>>,
334{
335 let handler = Arc::new(handler);
336 move |message, response, session| {
337 let handler = handler.clone();
338 Box::pin(async move {
339 if let Some(dev_server_session) = session.for_dev_server() {
340 Ok(handler(message, response, dev_server_session).await?)
341 } else {
342 Err(Error::Internal(anyhow!(
343 "must be a dev server to call {}",
344 M::NAME
345 )))
346 }
347 })
348 }
349}
350
351fn user_message_handler<M: EnvelopedMessage, InnertRetFut>(
352 handler: impl 'static + Send + Sync + Fn(M, UserSession) -> InnertRetFut,
353) -> impl 'static + Send + Sync + Fn(M, Session) -> BoxFuture<'static, Result<()>>
354where
355 InnertRetFut: Send + Future<Output = Result<()>>,
356{
357 let handler = Arc::new(handler);
358 move |message, session| {
359 let handler = handler.clone();
360 Box::pin(async move {
361 if let Some(user_session) = session.for_user() {
362 Ok(handler(message, user_session).await?)
363 } else {
364 Err(Error::Internal(anyhow!(
365 "must be a user to call {}",
366 M::NAME
367 )))
368 }
369 })
370 }
371}
372
373struct DbHandle(Arc<Database>);
374
375impl Deref for DbHandle {
376 type Target = Database;
377
378 fn deref(&self) -> &Self::Target {
379 self.0.as_ref()
380 }
381}
382
383pub struct Server {
384 id: parking_lot::Mutex<ServerId>,
385 peer: Arc<Peer>,
386 pub(crate) connection_pool: Arc<parking_lot::Mutex<ConnectionPool>>,
387 app_state: Arc<AppState>,
388 handlers: HashMap<TypeId, MessageHandler>,
389 teardown: watch::Sender<bool>,
390}
391
392pub(crate) struct ConnectionPoolGuard<'a> {
393 guard: parking_lot::MutexGuard<'a, ConnectionPool>,
394 _not_send: PhantomData<Rc<()>>,
395}
396
397#[derive(Serialize)]
398pub struct ServerSnapshot<'a> {
399 peer: &'a Peer,
400 #[serde(serialize_with = "serialize_deref")]
401 connection_pool: ConnectionPoolGuard<'a>,
402}
403
404pub fn serialize_deref<S, T, U>(value: &T, serializer: S) -> Result<S::Ok, S::Error>
405where
406 S: Serializer,
407 T: Deref<Target = U>,
408 U: Serialize,
409{
410 Serialize::serialize(value.deref(), serializer)
411}
412
413impl Server {
414 pub fn new(id: ServerId, app_state: Arc<AppState>) -> Arc<Self> {
415 let mut server = Self {
416 id: parking_lot::Mutex::new(id),
417 peer: Peer::new(id.0 as u32),
418 app_state: app_state.clone(),
419 connection_pool: Default::default(),
420 handlers: Default::default(),
421 teardown: watch::channel(false).0,
422 };
423
424 server
425 .add_request_handler(ping)
426 .add_request_handler(user_handler(create_room))
427 .add_request_handler(user_handler(join_room))
428 .add_request_handler(user_handler(rejoin_room))
429 .add_request_handler(user_handler(leave_room))
430 .add_request_handler(user_handler(set_room_participant_role))
431 .add_request_handler(user_handler(call))
432 .add_request_handler(user_handler(cancel_call))
433 .add_message_handler(user_message_handler(decline_call))
434 .add_request_handler(user_handler(update_participant_location))
435 .add_request_handler(user_handler(share_project))
436 .add_message_handler(unshare_project)
437 .add_request_handler(user_handler(join_project))
438 .add_request_handler(user_handler(join_hosted_project))
439 .add_request_handler(user_handler(rejoin_dev_server_projects))
440 .add_request_handler(user_handler(create_dev_server_project))
441 .add_request_handler(user_handler(update_dev_server_project))
442 .add_request_handler(user_handler(delete_dev_server_project))
443 .add_request_handler(user_handler(create_dev_server))
444 .add_request_handler(user_handler(regenerate_dev_server_token))
445 .add_request_handler(user_handler(rename_dev_server))
446 .add_request_handler(user_handler(delete_dev_server))
447 .add_request_handler(user_handler(list_remote_directory))
448 .add_request_handler(dev_server_handler(share_dev_server_project))
449 .add_request_handler(dev_server_handler(shutdown_dev_server))
450 .add_request_handler(dev_server_handler(reconnect_dev_server))
451 .add_message_handler(user_message_handler(leave_project))
452 .add_request_handler(update_project)
453 .add_request_handler(update_worktree)
454 .add_message_handler(start_language_server)
455 .add_message_handler(update_language_server)
456 .add_message_handler(update_diagnostic_summary)
457 .add_message_handler(update_worktree_settings)
458 .add_request_handler(user_handler(
459 forward_project_request_for_owner::<proto::TaskContextForLocation>,
460 ))
461 .add_request_handler(user_handler(
462 forward_project_request_for_owner::<proto::TaskTemplates>,
463 ))
464 .add_request_handler(user_handler(
465 forward_read_only_project_request::<proto::GetHover>,
466 ))
467 .add_request_handler(user_handler(
468 forward_read_only_project_request::<proto::GetDefinition>,
469 ))
470 .add_request_handler(user_handler(
471 forward_read_only_project_request::<proto::GetTypeDefinition>,
472 ))
473 .add_request_handler(user_handler(
474 forward_read_only_project_request::<proto::GetReferences>,
475 ))
476 .add_request_handler(user_handler(
477 forward_read_only_project_request::<proto::SearchProject>,
478 ))
479 .add_request_handler(user_handler(forward_find_search_candidates_request))
480 .add_request_handler(user_handler(
481 forward_read_only_project_request::<proto::GetDocumentHighlights>,
482 ))
483 .add_request_handler(user_handler(
484 forward_read_only_project_request::<proto::GetProjectSymbols>,
485 ))
486 .add_request_handler(user_handler(
487 forward_read_only_project_request::<proto::OpenBufferForSymbol>,
488 ))
489 .add_request_handler(user_handler(
490 forward_read_only_project_request::<proto::OpenBufferById>,
491 ))
492 .add_request_handler(user_handler(
493 forward_read_only_project_request::<proto::SynchronizeBuffers>,
494 ))
495 .add_request_handler(user_handler(
496 forward_read_only_project_request::<proto::InlayHints>,
497 ))
498 .add_request_handler(user_handler(
499 forward_read_only_project_request::<proto::ResolveInlayHint>,
500 ))
501 .add_request_handler(user_handler(
502 forward_read_only_project_request::<proto::OpenBufferByPath>,
503 ))
504 .add_request_handler(user_handler(
505 forward_mutating_project_request::<proto::GetCompletions>,
506 ))
507 .add_request_handler(user_handler(
508 forward_mutating_project_request::<proto::ApplyCompletionAdditionalEdits>,
509 ))
510 .add_request_handler(user_handler(
511 forward_mutating_project_request::<proto::OpenNewBuffer>,
512 ))
513 .add_request_handler(user_handler(
514 forward_mutating_project_request::<proto::ResolveCompletionDocumentation>,
515 ))
516 .add_request_handler(user_handler(
517 forward_mutating_project_request::<proto::GetCodeActions>,
518 ))
519 .add_request_handler(user_handler(
520 forward_mutating_project_request::<proto::ApplyCodeAction>,
521 ))
522 .add_request_handler(user_handler(
523 forward_mutating_project_request::<proto::PrepareRename>,
524 ))
525 .add_request_handler(user_handler(
526 forward_mutating_project_request::<proto::PerformRename>,
527 ))
528 .add_request_handler(user_handler(
529 forward_mutating_project_request::<proto::ReloadBuffers>,
530 ))
531 .add_request_handler(user_handler(
532 forward_mutating_project_request::<proto::FormatBuffers>,
533 ))
534 .add_request_handler(user_handler(
535 forward_mutating_project_request::<proto::CreateProjectEntry>,
536 ))
537 .add_request_handler(user_handler(
538 forward_mutating_project_request::<proto::RenameProjectEntry>,
539 ))
540 .add_request_handler(user_handler(
541 forward_mutating_project_request::<proto::CopyProjectEntry>,
542 ))
543 .add_request_handler(user_handler(
544 forward_mutating_project_request::<proto::DeleteProjectEntry>,
545 ))
546 .add_request_handler(user_handler(
547 forward_mutating_project_request::<proto::ExpandProjectEntry>,
548 ))
549 .add_request_handler(user_handler(
550 forward_mutating_project_request::<proto::OnTypeFormatting>,
551 ))
552 .add_request_handler(user_handler(
553 forward_mutating_project_request::<proto::SaveBuffer>,
554 ))
555 .add_request_handler(user_handler(
556 forward_mutating_project_request::<proto::BlameBuffer>,
557 ))
558 .add_request_handler(user_handler(
559 forward_mutating_project_request::<proto::MultiLspQuery>,
560 ))
561 .add_request_handler(user_handler(
562 forward_mutating_project_request::<proto::RestartLanguageServers>,
563 ))
564 .add_request_handler(user_handler(
565 forward_mutating_project_request::<proto::LinkedEditingRange>,
566 ))
567 .add_message_handler(create_buffer_for_peer)
568 .add_request_handler(update_buffer)
569 .add_message_handler(broadcast_project_message_from_host::<proto::RefreshInlayHints>)
570 .add_message_handler(broadcast_project_message_from_host::<proto::UpdateBufferFile>)
571 .add_message_handler(broadcast_project_message_from_host::<proto::BufferReloaded>)
572 .add_message_handler(broadcast_project_message_from_host::<proto::BufferSaved>)
573 .add_message_handler(broadcast_project_message_from_host::<proto::UpdateDiffBase>)
574 .add_request_handler(get_users)
575 .add_request_handler(user_handler(fuzzy_search_users))
576 .add_request_handler(user_handler(request_contact))
577 .add_request_handler(user_handler(remove_contact))
578 .add_request_handler(user_handler(respond_to_contact_request))
579 .add_message_handler(subscribe_to_channels)
580 .add_request_handler(user_handler(create_channel))
581 .add_request_handler(user_handler(delete_channel))
582 .add_request_handler(user_handler(invite_channel_member))
583 .add_request_handler(user_handler(remove_channel_member))
584 .add_request_handler(user_handler(set_channel_member_role))
585 .add_request_handler(user_handler(set_channel_visibility))
586 .add_request_handler(user_handler(rename_channel))
587 .add_request_handler(user_handler(join_channel_buffer))
588 .add_request_handler(user_handler(leave_channel_buffer))
589 .add_message_handler(user_message_handler(update_channel_buffer))
590 .add_request_handler(user_handler(rejoin_channel_buffers))
591 .add_request_handler(user_handler(get_channel_members))
592 .add_request_handler(user_handler(respond_to_channel_invite))
593 .add_request_handler(user_handler(join_channel))
594 .add_request_handler(user_handler(join_channel_chat))
595 .add_message_handler(user_message_handler(leave_channel_chat))
596 .add_request_handler(user_handler(send_channel_message))
597 .add_request_handler(user_handler(remove_channel_message))
598 .add_request_handler(user_handler(update_channel_message))
599 .add_request_handler(user_handler(get_channel_messages))
600 .add_request_handler(user_handler(get_channel_messages_by_id))
601 .add_request_handler(user_handler(get_notifications))
602 .add_request_handler(user_handler(mark_notification_as_read))
603 .add_request_handler(user_handler(move_channel))
604 .add_request_handler(user_handler(follow))
605 .add_message_handler(user_message_handler(unfollow))
606 .add_message_handler(user_message_handler(update_followers))
607 .add_request_handler(user_handler(get_private_user_info))
608 .add_request_handler(user_handler(get_llm_api_token))
609 .add_request_handler(user_handler(accept_terms_of_service))
610 .add_message_handler(user_message_handler(acknowledge_channel_message))
611 .add_message_handler(user_message_handler(acknowledge_buffer_version))
612 .add_request_handler(user_handler(get_supermaven_api_key))
613 .add_request_handler(user_handler(
614 forward_mutating_project_request::<proto::OpenContext>,
615 ))
616 .add_request_handler(user_handler(
617 forward_mutating_project_request::<proto::CreateContext>,
618 ))
619 .add_request_handler(user_handler(
620 forward_mutating_project_request::<proto::SynchronizeContexts>,
621 ))
622 .add_message_handler(broadcast_project_message_from_host::<proto::AdvertiseContexts>)
623 .add_message_handler(update_context)
624 .add_request_handler({
625 let app_state = app_state.clone();
626 move |request, response, session| {
627 let app_state = app_state.clone();
628 async move {
629 count_language_model_tokens(request, response, session, &app_state.config)
630 .await
631 }
632 }
633 })
634 .add_request_handler({
635 user_handler(move |request, response, session| {
636 get_cached_embeddings(request, response, session)
637 })
638 })
639 .add_request_handler({
640 let app_state = app_state.clone();
641 user_handler(move |request, response, session| {
642 compute_embeddings(
643 request,
644 response,
645 session,
646 app_state.config.openai_api_key.clone(),
647 )
648 })
649 });
650
651 Arc::new(server)
652 }
653
654 pub async fn start(&self) -> Result<()> {
655 let server_id = *self.id.lock();
656 let app_state = self.app_state.clone();
657 let peer = self.peer.clone();
658 let timeout = self.app_state.executor.sleep(CLEANUP_TIMEOUT);
659 let pool = self.connection_pool.clone();
660 let live_kit_client = self.app_state.live_kit_client.clone();
661
662 let span = info_span!("start server");
663 self.app_state.executor.spawn_detached(
664 async move {
665 tracing::info!("waiting for cleanup timeout");
666 timeout.await;
667 tracing::info!("cleanup timeout expired, retrieving stale rooms");
668 if let Some((room_ids, channel_ids)) = app_state
669 .db
670 .stale_server_resource_ids(&app_state.config.zed_environment, server_id)
671 .await
672 .trace_err()
673 {
674 tracing::info!(stale_room_count = room_ids.len(), "retrieved stale rooms");
675 tracing::info!(
676 stale_channel_buffer_count = channel_ids.len(),
677 "retrieved stale channel buffers"
678 );
679
680 for channel_id in channel_ids {
681 if let Some(refreshed_channel_buffer) = app_state
682 .db
683 .clear_stale_channel_buffer_collaborators(channel_id, server_id)
684 .await
685 .trace_err()
686 {
687 for connection_id in refreshed_channel_buffer.connection_ids {
688 peer.send(
689 connection_id,
690 proto::UpdateChannelBufferCollaborators {
691 channel_id: channel_id.to_proto(),
692 collaborators: refreshed_channel_buffer
693 .collaborators
694 .clone(),
695 },
696 )
697 .trace_err();
698 }
699 }
700 }
701
702 for room_id in room_ids {
703 let mut contacts_to_update = HashSet::default();
704 let mut canceled_calls_to_user_ids = Vec::new();
705 let mut live_kit_room = String::new();
706 let mut delete_live_kit_room = false;
707
708 if let Some(mut refreshed_room) = app_state
709 .db
710 .clear_stale_room_participants(room_id, server_id)
711 .await
712 .trace_err()
713 {
714 tracing::info!(
715 room_id = room_id.0,
716 new_participant_count = refreshed_room.room.participants.len(),
717 "refreshed room"
718 );
719 room_updated(&refreshed_room.room, &peer);
720 if let Some(channel) = refreshed_room.channel.as_ref() {
721 channel_updated(channel, &refreshed_room.room, &peer, &pool.lock());
722 }
723 contacts_to_update
724 .extend(refreshed_room.stale_participant_user_ids.iter().copied());
725 contacts_to_update
726 .extend(refreshed_room.canceled_calls_to_user_ids.iter().copied());
727 canceled_calls_to_user_ids =
728 mem::take(&mut refreshed_room.canceled_calls_to_user_ids);
729 live_kit_room = mem::take(&mut refreshed_room.room.live_kit_room);
730 delete_live_kit_room = refreshed_room.room.participants.is_empty();
731 }
732
733 {
734 let pool = pool.lock();
735 for canceled_user_id in canceled_calls_to_user_ids {
736 for connection_id in pool.user_connection_ids(canceled_user_id) {
737 peer.send(
738 connection_id,
739 proto::CallCanceled {
740 room_id: room_id.to_proto(),
741 },
742 )
743 .trace_err();
744 }
745 }
746 }
747
748 for user_id in contacts_to_update {
749 let busy = app_state.db.is_user_busy(user_id).await.trace_err();
750 let contacts = app_state.db.get_contacts(user_id).await.trace_err();
751 if let Some((busy, contacts)) = busy.zip(contacts) {
752 let pool = pool.lock();
753 let updated_contact = contact_for_user(user_id, busy, &pool);
754 for contact in contacts {
755 if let db::Contact::Accepted {
756 user_id: contact_user_id,
757 ..
758 } = contact
759 {
760 for contact_conn_id in
761 pool.user_connection_ids(contact_user_id)
762 {
763 peer.send(
764 contact_conn_id,
765 proto::UpdateContacts {
766 contacts: vec![updated_contact.clone()],
767 remove_contacts: Default::default(),
768 incoming_requests: Default::default(),
769 remove_incoming_requests: Default::default(),
770 outgoing_requests: Default::default(),
771 remove_outgoing_requests: Default::default(),
772 },
773 )
774 .trace_err();
775 }
776 }
777 }
778 }
779 }
780
781 if let Some(live_kit) = live_kit_client.as_ref() {
782 if delete_live_kit_room {
783 live_kit.delete_room(live_kit_room).await.trace_err();
784 }
785 }
786 }
787 }
788
789 app_state
790 .db
791 .delete_stale_servers(&app_state.config.zed_environment, server_id)
792 .await
793 .trace_err();
794 }
795 .instrument(span),
796 );
797 Ok(())
798 }
799
800 pub fn teardown(&self) {
801 self.peer.teardown();
802 self.connection_pool.lock().reset();
803 let _ = self.teardown.send(true);
804 }
805
806 #[cfg(test)]
807 pub fn reset(&self, id: ServerId) {
808 self.teardown();
809 *self.id.lock() = id;
810 self.peer.reset(id.0 as u32);
811 let _ = self.teardown.send(false);
812 }
813
814 #[cfg(test)]
815 pub fn id(&self) -> ServerId {
816 *self.id.lock()
817 }
818
819 fn add_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
820 where
821 F: 'static + Send + Sync + Fn(TypedEnvelope<M>, Session) -> Fut,
822 Fut: 'static + Send + Future<Output = Result<()>>,
823 M: EnvelopedMessage,
824 {
825 let prev_handler = self.handlers.insert(
826 TypeId::of::<M>(),
827 Box::new(move |envelope, session| {
828 let envelope = envelope.into_any().downcast::<TypedEnvelope<M>>().unwrap();
829 let received_at = envelope.received_at;
830 tracing::info!("message received");
831 let start_time = Instant::now();
832 let future = (handler)(*envelope, session);
833 async move {
834 let result = future.await;
835 let total_duration_ms = received_at.elapsed().as_micros() as f64 / 1000.0;
836 let processing_duration_ms = start_time.elapsed().as_micros() as f64 / 1000.0;
837 let queue_duration_ms = total_duration_ms - processing_duration_ms;
838 let payload_type = M::NAME;
839
840 match result {
841 Err(error) => {
842 tracing::error!(
843 ?error,
844 total_duration_ms,
845 processing_duration_ms,
846 queue_duration_ms,
847 payload_type,
848 "error handling message"
849 )
850 }
851 Ok(()) => tracing::info!(
852 total_duration_ms,
853 processing_duration_ms,
854 queue_duration_ms,
855 "finished handling message"
856 ),
857 }
858 }
859 .boxed()
860 }),
861 );
862 if prev_handler.is_some() {
863 panic!("registered a handler for the same message twice");
864 }
865 self
866 }
867
868 fn add_message_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
869 where
870 F: 'static + Send + Sync + Fn(M, Session) -> Fut,
871 Fut: 'static + Send + Future<Output = Result<()>>,
872 M: EnvelopedMessage,
873 {
874 self.add_handler(move |envelope, session| handler(envelope.payload, session));
875 self
876 }
877
878 fn add_request_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
879 where
880 F: 'static + Send + Sync + Fn(M, Response<M>, Session) -> Fut,
881 Fut: Send + Future<Output = Result<()>>,
882 M: RequestMessage,
883 {
884 let handler = Arc::new(handler);
885 self.add_handler(move |envelope, session| {
886 let receipt = envelope.receipt();
887 let handler = handler.clone();
888 async move {
889 let peer = session.peer.clone();
890 let responded = Arc::new(AtomicBool::default());
891 let response = Response {
892 peer: peer.clone(),
893 responded: responded.clone(),
894 receipt,
895 };
896 match (handler)(envelope.payload, response, session).await {
897 Ok(()) => {
898 if responded.load(std::sync::atomic::Ordering::SeqCst) {
899 Ok(())
900 } else {
901 Err(anyhow!("handler did not send a response"))?
902 }
903 }
904 Err(error) => {
905 let proto_err = match &error {
906 Error::Internal(err) => err.to_proto(),
907 _ => ErrorCode::Internal.message(format!("{}", error)).to_proto(),
908 };
909 peer.respond_with_error(receipt, proto_err)?;
910 Err(error)
911 }
912 }
913 }
914 })
915 }
916
917 #[allow(clippy::too_many_arguments)]
918 pub fn handle_connection(
919 self: &Arc<Self>,
920 connection: Connection,
921 address: String,
922 principal: Principal,
923 zed_version: ZedVersion,
924 geoip_country_code: Option<String>,
925 send_connection_id: Option<oneshot::Sender<ConnectionId>>,
926 executor: Executor,
927 ) -> impl Future<Output = ()> {
928 let this = self.clone();
929 let span = info_span!("handle connection", %address,
930 connection_id=field::Empty,
931 user_id=field::Empty,
932 login=field::Empty,
933 impersonator=field::Empty,
934 dev_server_id=field::Empty,
935 geoip_country_code=field::Empty
936 );
937 principal.update_span(&span);
938 if let Some(country_code) = geoip_country_code.as_ref() {
939 span.record("geoip_country_code", country_code);
940 }
941
942 let mut teardown = self.teardown.subscribe();
943 async move {
944 if *teardown.borrow() {
945 tracing::error!("server is tearing down");
946 return
947 }
948 let (connection_id, handle_io, mut incoming_rx) = this
949 .peer
950 .add_connection(connection, {
951 let executor = executor.clone();
952 move |duration| executor.sleep(duration)
953 });
954 tracing::Span::current().record("connection_id", format!("{}", connection_id));
955
956 tracing::info!("connection opened");
957
958 let user_agent = format!("Zed Server/{}", env!("CARGO_PKG_VERSION"));
959 let http_client = match IsahcHttpClient::builder().default_header("User-Agent", user_agent).build() {
960 Ok(http_client) => Arc::new(http_client),
961 Err(error) => {
962 tracing::error!(?error, "failed to create HTTP client");
963 return;
964 }
965 };
966
967 let supermaven_client = this.app_state.config.supermaven_admin_api_key.clone().map(|supermaven_admin_api_key| Arc::new(SupermavenAdminApi::new(
968 supermaven_admin_api_key.to_string(),
969 http_client.clone(),
970 )));
971
972 let session = Session {
973 principal: principal.clone(),
974 connection_id,
975 db: Arc::new(tokio::sync::Mutex::new(DbHandle(this.app_state.db.clone()))),
976 peer: this.peer.clone(),
977 connection_pool: this.connection_pool.clone(),
978 app_state: this.app_state.clone(),
979 http_client,
980 geoip_country_code,
981 _executor: executor.clone(),
982 supermaven_client,
983 };
984
985 if let Err(error) = this.send_initial_client_update(connection_id, &principal, zed_version, send_connection_id, &session).await {
986 tracing::error!(?error, "failed to send initial client update");
987 return;
988 }
989
990 let handle_io = handle_io.fuse();
991 futures::pin_mut!(handle_io);
992
993 // Handlers for foreground messages are pushed into the following `FuturesUnordered`.
994 // This prevents deadlocks when e.g., client A performs a request to client B and
995 // client B performs a request to client A. If both clients stop processing further
996 // messages until their respective request completes, they won't have a chance to
997 // respond to the other client's request and cause a deadlock.
998 //
999 // This arrangement ensures we will attempt to process earlier messages first, but fall
1000 // back to processing messages arrived later in the spirit of making progress.
1001 let mut foreground_message_handlers = FuturesUnordered::new();
1002 let concurrent_handlers = Arc::new(Semaphore::new(256));
1003 loop {
1004 let next_message = async {
1005 let permit = concurrent_handlers.clone().acquire_owned().await.unwrap();
1006 let message = incoming_rx.next().await;
1007 (permit, message)
1008 }.fuse();
1009 futures::pin_mut!(next_message);
1010 futures::select_biased! {
1011 _ = teardown.changed().fuse() => return,
1012 result = handle_io => {
1013 if let Err(error) = result {
1014 tracing::error!(?error, "error handling I/O");
1015 }
1016 break;
1017 }
1018 _ = foreground_message_handlers.next() => {}
1019 next_message = next_message => {
1020 let (permit, message) = next_message;
1021 if let Some(message) = message {
1022 let type_name = message.payload_type_name();
1023 // note: we copy all the fields from the parent span so we can query them in the logs.
1024 // (https://github.com/tokio-rs/tracing/issues/2670).
1025 let span = tracing::info_span!("receive message", %connection_id, %address, type_name,
1026 user_id=field::Empty,
1027 login=field::Empty,
1028 impersonator=field::Empty,
1029 dev_server_id=field::Empty
1030 );
1031 principal.update_span(&span);
1032 let span_enter = span.enter();
1033 if let Some(handler) = this.handlers.get(&message.payload_type_id()) {
1034 let is_background = message.is_background();
1035 let handle_message = (handler)(message, session.clone());
1036 drop(span_enter);
1037
1038 let handle_message = async move {
1039 handle_message.await;
1040 drop(permit);
1041 }.instrument(span);
1042 if is_background {
1043 executor.spawn_detached(handle_message);
1044 } else {
1045 foreground_message_handlers.push(handle_message);
1046 }
1047 } else {
1048 tracing::error!("no message handler");
1049 }
1050 } else {
1051 tracing::info!("connection closed");
1052 break;
1053 }
1054 }
1055 }
1056 }
1057
1058 drop(foreground_message_handlers);
1059 tracing::info!("signing out");
1060 if let Err(error) = connection_lost(session, teardown, executor).await {
1061 tracing::error!(?error, "error signing out");
1062 }
1063
1064 }.instrument(span)
1065 }
1066
1067 async fn send_initial_client_update(
1068 &self,
1069 connection_id: ConnectionId,
1070 principal: &Principal,
1071 zed_version: ZedVersion,
1072 mut send_connection_id: Option<oneshot::Sender<ConnectionId>>,
1073 session: &Session,
1074 ) -> Result<()> {
1075 self.peer.send(
1076 connection_id,
1077 proto::Hello {
1078 peer_id: Some(connection_id.into()),
1079 },
1080 )?;
1081 tracing::info!("sent hello message");
1082 if let Some(send_connection_id) = send_connection_id.take() {
1083 let _ = send_connection_id.send(connection_id);
1084 }
1085
1086 match principal {
1087 Principal::User(user) | Principal::Impersonated { user, admin: _ } => {
1088 if !user.connected_once {
1089 self.peer.send(connection_id, proto::ShowContacts {})?;
1090 self.app_state
1091 .db
1092 .set_user_connected_once(user.id, true)
1093 .await?;
1094 }
1095
1096 update_user_plan(user.id, session).await?;
1097
1098 let (contacts, dev_server_projects) = future::try_join(
1099 self.app_state.db.get_contacts(user.id),
1100 self.app_state.db.dev_server_projects_update(user.id),
1101 )
1102 .await?;
1103
1104 {
1105 let mut pool = self.connection_pool.lock();
1106 pool.add_connection(connection_id, user.id, user.admin, zed_version);
1107 self.peer.send(
1108 connection_id,
1109 build_initial_contacts_update(contacts, &pool),
1110 )?;
1111 }
1112
1113 if should_auto_subscribe_to_channels(zed_version) {
1114 subscribe_user_to_channels(user.id, session).await?;
1115 }
1116
1117 send_dev_server_projects_update(user.id, dev_server_projects, session).await;
1118
1119 if let Some(incoming_call) =
1120 self.app_state.db.incoming_call_for_user(user.id).await?
1121 {
1122 self.peer.send(connection_id, incoming_call)?;
1123 }
1124
1125 update_user_contacts(user.id, session).await?;
1126 }
1127 Principal::DevServer(dev_server) => {
1128 {
1129 let mut pool = self.connection_pool.lock();
1130 if let Some(stale_connection_id) = pool.dev_server_connection_id(dev_server.id)
1131 {
1132 self.peer.send(
1133 stale_connection_id,
1134 proto::ShutdownDevServer {
1135 reason: Some(
1136 "another dev server connected with the same token".to_string(),
1137 ),
1138 },
1139 )?;
1140 pool.remove_connection(stale_connection_id)?;
1141 };
1142 pool.add_dev_server(connection_id, dev_server.id, zed_version);
1143 }
1144
1145 let projects = self
1146 .app_state
1147 .db
1148 .get_projects_for_dev_server(dev_server.id)
1149 .await?;
1150 self.peer
1151 .send(connection_id, proto::DevServerInstructions { projects })?;
1152
1153 let status = self
1154 .app_state
1155 .db
1156 .dev_server_projects_update(dev_server.user_id)
1157 .await?;
1158 send_dev_server_projects_update(dev_server.user_id, status, session).await;
1159 }
1160 }
1161
1162 Ok(())
1163 }
1164
1165 pub async fn invite_code_redeemed(
1166 self: &Arc<Self>,
1167 inviter_id: UserId,
1168 invitee_id: UserId,
1169 ) -> Result<()> {
1170 if let Some(user) = self.app_state.db.get_user_by_id(inviter_id).await? {
1171 if let Some(code) = &user.invite_code {
1172 let pool = self.connection_pool.lock();
1173 let invitee_contact = contact_for_user(invitee_id, false, &pool);
1174 for connection_id in pool.user_connection_ids(inviter_id) {
1175 self.peer.send(
1176 connection_id,
1177 proto::UpdateContacts {
1178 contacts: vec![invitee_contact.clone()],
1179 ..Default::default()
1180 },
1181 )?;
1182 self.peer.send(
1183 connection_id,
1184 proto::UpdateInviteInfo {
1185 url: format!("{}{}", self.app_state.config.invite_link_prefix, &code),
1186 count: user.invite_count as u32,
1187 },
1188 )?;
1189 }
1190 }
1191 }
1192 Ok(())
1193 }
1194
1195 pub async fn invite_count_updated(self: &Arc<Self>, user_id: UserId) -> Result<()> {
1196 if let Some(user) = self.app_state.db.get_user_by_id(user_id).await? {
1197 if let Some(invite_code) = &user.invite_code {
1198 let pool = self.connection_pool.lock();
1199 for connection_id in pool.user_connection_ids(user_id) {
1200 self.peer.send(
1201 connection_id,
1202 proto::UpdateInviteInfo {
1203 url: format!(
1204 "{}{}",
1205 self.app_state.config.invite_link_prefix, invite_code
1206 ),
1207 count: user.invite_count as u32,
1208 },
1209 )?;
1210 }
1211 }
1212 }
1213 Ok(())
1214 }
1215
1216 pub async fn snapshot<'a>(self: &'a Arc<Self>) -> ServerSnapshot<'a> {
1217 ServerSnapshot {
1218 connection_pool: ConnectionPoolGuard {
1219 guard: self.connection_pool.lock(),
1220 _not_send: PhantomData,
1221 },
1222 peer: &self.peer,
1223 }
1224 }
1225}
1226
1227impl<'a> Deref for ConnectionPoolGuard<'a> {
1228 type Target = ConnectionPool;
1229
1230 fn deref(&self) -> &Self::Target {
1231 &self.guard
1232 }
1233}
1234
1235impl<'a> DerefMut for ConnectionPoolGuard<'a> {
1236 fn deref_mut(&mut self) -> &mut Self::Target {
1237 &mut self.guard
1238 }
1239}
1240
1241impl<'a> Drop for ConnectionPoolGuard<'a> {
1242 fn drop(&mut self) {
1243 #[cfg(test)]
1244 self.check_invariants();
1245 }
1246}
1247
1248fn broadcast<F>(
1249 sender_id: Option<ConnectionId>,
1250 receiver_ids: impl IntoIterator<Item = ConnectionId>,
1251 mut f: F,
1252) where
1253 F: FnMut(ConnectionId) -> anyhow::Result<()>,
1254{
1255 for receiver_id in receiver_ids {
1256 if Some(receiver_id) != sender_id {
1257 if let Err(error) = f(receiver_id) {
1258 tracing::error!("failed to send to {:?} {}", receiver_id, error);
1259 }
1260 }
1261 }
1262}
1263
1264pub struct ProtocolVersion(u32);
1265
1266impl Header for ProtocolVersion {
1267 fn name() -> &'static HeaderName {
1268 static ZED_PROTOCOL_VERSION: OnceLock<HeaderName> = OnceLock::new();
1269 ZED_PROTOCOL_VERSION.get_or_init(|| HeaderName::from_static("x-zed-protocol-version"))
1270 }
1271
1272 fn decode<'i, I>(values: &mut I) -> Result<Self, axum::headers::Error>
1273 where
1274 Self: Sized,
1275 I: Iterator<Item = &'i axum::http::HeaderValue>,
1276 {
1277 let version = values
1278 .next()
1279 .ok_or_else(axum::headers::Error::invalid)?
1280 .to_str()
1281 .map_err(|_| axum::headers::Error::invalid())?
1282 .parse()
1283 .map_err(|_| axum::headers::Error::invalid())?;
1284 Ok(Self(version))
1285 }
1286
1287 fn encode<E: Extend<axum::http::HeaderValue>>(&self, values: &mut E) {
1288 values.extend([self.0.to_string().parse().unwrap()]);
1289 }
1290}
1291
1292pub struct AppVersionHeader(SemanticVersion);
1293impl Header for AppVersionHeader {
1294 fn name() -> &'static HeaderName {
1295 static ZED_APP_VERSION: OnceLock<HeaderName> = OnceLock::new();
1296 ZED_APP_VERSION.get_or_init(|| HeaderName::from_static("x-zed-app-version"))
1297 }
1298
1299 fn decode<'i, I>(values: &mut I) -> Result<Self, axum::headers::Error>
1300 where
1301 Self: Sized,
1302 I: Iterator<Item = &'i axum::http::HeaderValue>,
1303 {
1304 let version = values
1305 .next()
1306 .ok_or_else(axum::headers::Error::invalid)?
1307 .to_str()
1308 .map_err(|_| axum::headers::Error::invalid())?
1309 .parse()
1310 .map_err(|_| axum::headers::Error::invalid())?;
1311 Ok(Self(version))
1312 }
1313
1314 fn encode<E: Extend<axum::http::HeaderValue>>(&self, values: &mut E) {
1315 values.extend([self.0.to_string().parse().unwrap()]);
1316 }
1317}
1318
1319pub fn routes(server: Arc<Server>) -> Router<(), Body> {
1320 Router::new()
1321 .route("/rpc", get(handle_websocket_request))
1322 .layer(
1323 ServiceBuilder::new()
1324 .layer(Extension(server.app_state.clone()))
1325 .layer(middleware::from_fn(auth::validate_header)),
1326 )
1327 .route("/metrics", get(handle_metrics))
1328 .layer(Extension(server))
1329}
1330
1331pub async fn handle_websocket_request(
1332 TypedHeader(ProtocolVersion(protocol_version)): TypedHeader<ProtocolVersion>,
1333 app_version_header: Option<TypedHeader<AppVersionHeader>>,
1334 ConnectInfo(socket_address): ConnectInfo<SocketAddr>,
1335 Extension(server): Extension<Arc<Server>>,
1336 Extension(principal): Extension<Principal>,
1337 country_code_header: Option<TypedHeader<CloudflareIpCountryHeader>>,
1338 ws: WebSocketUpgrade,
1339) -> axum::response::Response {
1340 if protocol_version != rpc::PROTOCOL_VERSION {
1341 return (
1342 StatusCode::UPGRADE_REQUIRED,
1343 "client must be upgraded".to_string(),
1344 )
1345 .into_response();
1346 }
1347
1348 let Some(version) = app_version_header.map(|header| ZedVersion(header.0 .0)) else {
1349 return (
1350 StatusCode::UPGRADE_REQUIRED,
1351 "no version header found".to_string(),
1352 )
1353 .into_response();
1354 };
1355
1356 if !version.can_collaborate() {
1357 return (
1358 StatusCode::UPGRADE_REQUIRED,
1359 "client must be upgraded".to_string(),
1360 )
1361 .into_response();
1362 }
1363
1364 let socket_address = socket_address.to_string();
1365 ws.on_upgrade(move |socket| {
1366 let socket = socket
1367 .map_ok(to_tungstenite_message)
1368 .err_into()
1369 .with(|message| async move { to_axum_message(message) });
1370 let connection = Connection::new(Box::pin(socket));
1371 async move {
1372 server
1373 .handle_connection(
1374 connection,
1375 socket_address,
1376 principal,
1377 version,
1378 country_code_header.map(|header| header.to_string()),
1379 None,
1380 Executor::Production,
1381 )
1382 .await;
1383 }
1384 })
1385}
1386
1387pub async fn handle_metrics(Extension(server): Extension<Arc<Server>>) -> Result<String> {
1388 static CONNECTIONS_METRIC: OnceLock<IntGauge> = OnceLock::new();
1389 let connections_metric = CONNECTIONS_METRIC
1390 .get_or_init(|| register_int_gauge!("connections", "number of connections").unwrap());
1391
1392 let connections = server
1393 .connection_pool
1394 .lock()
1395 .connections()
1396 .filter(|connection| !connection.admin)
1397 .count();
1398 connections_metric.set(connections as _);
1399
1400 static SHARED_PROJECTS_METRIC: OnceLock<IntGauge> = OnceLock::new();
1401 let shared_projects_metric = SHARED_PROJECTS_METRIC.get_or_init(|| {
1402 register_int_gauge!(
1403 "shared_projects",
1404 "number of open projects with one or more guests"
1405 )
1406 .unwrap()
1407 });
1408
1409 let shared_projects = server.app_state.db.project_count_excluding_admins().await?;
1410 shared_projects_metric.set(shared_projects as _);
1411
1412 let encoder = prometheus::TextEncoder::new();
1413 let metric_families = prometheus::gather();
1414 let encoded_metrics = encoder
1415 .encode_to_string(&metric_families)
1416 .map_err(|err| anyhow!("{}", err))?;
1417 Ok(encoded_metrics)
1418}
1419
1420#[instrument(err, skip(executor))]
1421async fn connection_lost(
1422 session: Session,
1423 mut teardown: watch::Receiver<bool>,
1424 executor: Executor,
1425) -> Result<()> {
1426 session.peer.disconnect(session.connection_id);
1427 session
1428 .connection_pool()
1429 .await
1430 .remove_connection(session.connection_id)?;
1431
1432 session
1433 .db()
1434 .await
1435 .connection_lost(session.connection_id)
1436 .await
1437 .trace_err();
1438
1439 futures::select_biased! {
1440 _ = executor.sleep(RECONNECT_TIMEOUT).fuse() => {
1441 match &session.principal {
1442 Principal::User(_) | Principal::Impersonated{ user: _, admin:_ } => {
1443 let session = session.for_user().unwrap();
1444
1445 log::info!("connection lost, removing all resources for user:{}, connection:{:?}", session.user_id(), session.connection_id);
1446 leave_room_for_session(&session, session.connection_id).await.trace_err();
1447 leave_channel_buffers_for_session(&session)
1448 .await
1449 .trace_err();
1450
1451 if !session
1452 .connection_pool()
1453 .await
1454 .is_user_online(session.user_id())
1455 {
1456 let db = session.db().await;
1457 if let Some(room) = db.decline_call(None, session.user_id()).await.trace_err().flatten() {
1458 room_updated(&room, &session.peer);
1459 }
1460 }
1461
1462 update_user_contacts(session.user_id(), &session).await?;
1463 },
1464 Principal::DevServer(_) => {
1465 lost_dev_server_connection(&session.for_dev_server().unwrap()).await?;
1466 },
1467 }
1468 },
1469 _ = teardown.changed().fuse() => {}
1470 }
1471
1472 Ok(())
1473}
1474
1475/// Acknowledges a ping from a client, used to keep the connection alive.
1476async fn ping(_: proto::Ping, response: Response<proto::Ping>, _session: Session) -> Result<()> {
1477 response.send(proto::Ack {})?;
1478 Ok(())
1479}
1480
1481/// Creates a new room for calling (outside of channels)
1482async fn create_room(
1483 _request: proto::CreateRoom,
1484 response: Response<proto::CreateRoom>,
1485 session: UserSession,
1486) -> Result<()> {
1487 let live_kit_room = nanoid::nanoid!(30);
1488
1489 let live_kit_connection_info = util::maybe!(async {
1490 let live_kit = session.app_state.live_kit_client.as_ref();
1491 let live_kit = live_kit?;
1492 let user_id = session.user_id().to_string();
1493
1494 let token = live_kit
1495 .room_token(&live_kit_room, &user_id.to_string())
1496 .trace_err()?;
1497
1498 Some(proto::LiveKitConnectionInfo {
1499 server_url: live_kit.url().into(),
1500 token,
1501 can_publish: true,
1502 })
1503 })
1504 .await;
1505
1506 let room = session
1507 .db()
1508 .await
1509 .create_room(session.user_id(), session.connection_id, &live_kit_room)
1510 .await?;
1511
1512 response.send(proto::CreateRoomResponse {
1513 room: Some(room.clone()),
1514 live_kit_connection_info,
1515 })?;
1516
1517 update_user_contacts(session.user_id(), &session).await?;
1518 Ok(())
1519}
1520
1521/// Join a room from an invitation. Equivalent to joining a channel if there is one.
1522async fn join_room(
1523 request: proto::JoinRoom,
1524 response: Response<proto::JoinRoom>,
1525 session: UserSession,
1526) -> Result<()> {
1527 let room_id = RoomId::from_proto(request.id);
1528
1529 let channel_id = session.db().await.channel_id_for_room(room_id).await?;
1530
1531 if let Some(channel_id) = channel_id {
1532 return join_channel_internal(channel_id, Box::new(response), session).await;
1533 }
1534
1535 let joined_room = {
1536 let room = session
1537 .db()
1538 .await
1539 .join_room(room_id, session.user_id(), session.connection_id)
1540 .await?;
1541 room_updated(&room.room, &session.peer);
1542 room.into_inner()
1543 };
1544
1545 for connection_id in session
1546 .connection_pool()
1547 .await
1548 .user_connection_ids(session.user_id())
1549 {
1550 session
1551 .peer
1552 .send(
1553 connection_id,
1554 proto::CallCanceled {
1555 room_id: room_id.to_proto(),
1556 },
1557 )
1558 .trace_err();
1559 }
1560
1561 let live_kit_connection_info =
1562 if let Some(live_kit) = session.app_state.live_kit_client.as_ref() {
1563 live_kit
1564 .room_token(
1565 &joined_room.room.live_kit_room,
1566 &session.user_id().to_string(),
1567 )
1568 .trace_err()
1569 .map(|token| proto::LiveKitConnectionInfo {
1570 server_url: live_kit.url().into(),
1571 token,
1572 can_publish: true,
1573 })
1574 } else {
1575 None
1576 };
1577
1578 response.send(proto::JoinRoomResponse {
1579 room: Some(joined_room.room),
1580 channel_id: None,
1581 live_kit_connection_info,
1582 })?;
1583
1584 update_user_contacts(session.user_id(), &session).await?;
1585 Ok(())
1586}
1587
1588/// Rejoin room is used to reconnect to a room after connection errors.
1589async fn rejoin_room(
1590 request: proto::RejoinRoom,
1591 response: Response<proto::RejoinRoom>,
1592 session: UserSession,
1593) -> Result<()> {
1594 let room;
1595 let channel;
1596 {
1597 let mut rejoined_room = session
1598 .db()
1599 .await
1600 .rejoin_room(request, session.user_id(), session.connection_id)
1601 .await?;
1602
1603 response.send(proto::RejoinRoomResponse {
1604 room: Some(rejoined_room.room.clone()),
1605 reshared_projects: rejoined_room
1606 .reshared_projects
1607 .iter()
1608 .map(|project| proto::ResharedProject {
1609 id: project.id.to_proto(),
1610 collaborators: project
1611 .collaborators
1612 .iter()
1613 .map(|collaborator| collaborator.to_proto())
1614 .collect(),
1615 })
1616 .collect(),
1617 rejoined_projects: rejoined_room
1618 .rejoined_projects
1619 .iter()
1620 .map(|rejoined_project| rejoined_project.to_proto())
1621 .collect(),
1622 })?;
1623 room_updated(&rejoined_room.room, &session.peer);
1624
1625 for project in &rejoined_room.reshared_projects {
1626 for collaborator in &project.collaborators {
1627 session
1628 .peer
1629 .send(
1630 collaborator.connection_id,
1631 proto::UpdateProjectCollaborator {
1632 project_id: project.id.to_proto(),
1633 old_peer_id: Some(project.old_connection_id.into()),
1634 new_peer_id: Some(session.connection_id.into()),
1635 },
1636 )
1637 .trace_err();
1638 }
1639
1640 broadcast(
1641 Some(session.connection_id),
1642 project
1643 .collaborators
1644 .iter()
1645 .map(|collaborator| collaborator.connection_id),
1646 |connection_id| {
1647 session.peer.forward_send(
1648 session.connection_id,
1649 connection_id,
1650 proto::UpdateProject {
1651 project_id: project.id.to_proto(),
1652 worktrees: project.worktrees.clone(),
1653 },
1654 )
1655 },
1656 );
1657 }
1658
1659 notify_rejoined_projects(&mut rejoined_room.rejoined_projects, &session)?;
1660
1661 let rejoined_room = rejoined_room.into_inner();
1662
1663 room = rejoined_room.room;
1664 channel = rejoined_room.channel;
1665 }
1666
1667 if let Some(channel) = channel {
1668 channel_updated(
1669 &channel,
1670 &room,
1671 &session.peer,
1672 &*session.connection_pool().await,
1673 );
1674 }
1675
1676 update_user_contacts(session.user_id(), &session).await?;
1677 Ok(())
1678}
1679
1680fn notify_rejoined_projects(
1681 rejoined_projects: &mut Vec<RejoinedProject>,
1682 session: &UserSession,
1683) -> Result<()> {
1684 for project in rejoined_projects.iter() {
1685 for collaborator in &project.collaborators {
1686 session
1687 .peer
1688 .send(
1689 collaborator.connection_id,
1690 proto::UpdateProjectCollaborator {
1691 project_id: project.id.to_proto(),
1692 old_peer_id: Some(project.old_connection_id.into()),
1693 new_peer_id: Some(session.connection_id.into()),
1694 },
1695 )
1696 .trace_err();
1697 }
1698 }
1699
1700 for project in rejoined_projects {
1701 for worktree in mem::take(&mut project.worktrees) {
1702 #[cfg(any(test, feature = "test-support"))]
1703 const MAX_CHUNK_SIZE: usize = 2;
1704 #[cfg(not(any(test, feature = "test-support")))]
1705 const MAX_CHUNK_SIZE: usize = 256;
1706
1707 // Stream this worktree's entries.
1708 let message = proto::UpdateWorktree {
1709 project_id: project.id.to_proto(),
1710 worktree_id: worktree.id,
1711 abs_path: worktree.abs_path.clone(),
1712 root_name: worktree.root_name,
1713 updated_entries: worktree.updated_entries,
1714 removed_entries: worktree.removed_entries,
1715 scan_id: worktree.scan_id,
1716 is_last_update: worktree.completed_scan_id == worktree.scan_id,
1717 updated_repositories: worktree.updated_repositories,
1718 removed_repositories: worktree.removed_repositories,
1719 };
1720 for update in proto::split_worktree_update(message, MAX_CHUNK_SIZE) {
1721 session.peer.send(session.connection_id, update.clone())?;
1722 }
1723
1724 // Stream this worktree's diagnostics.
1725 for summary in worktree.diagnostic_summaries {
1726 session.peer.send(
1727 session.connection_id,
1728 proto::UpdateDiagnosticSummary {
1729 project_id: project.id.to_proto(),
1730 worktree_id: worktree.id,
1731 summary: Some(summary),
1732 },
1733 )?;
1734 }
1735
1736 for settings_file in worktree.settings_files {
1737 session.peer.send(
1738 session.connection_id,
1739 proto::UpdateWorktreeSettings {
1740 project_id: project.id.to_proto(),
1741 worktree_id: worktree.id,
1742 path: settings_file.path,
1743 content: Some(settings_file.content),
1744 },
1745 )?;
1746 }
1747 }
1748
1749 for language_server in &project.language_servers {
1750 session.peer.send(
1751 session.connection_id,
1752 proto::UpdateLanguageServer {
1753 project_id: project.id.to_proto(),
1754 language_server_id: language_server.id,
1755 variant: Some(
1756 proto::update_language_server::Variant::DiskBasedDiagnosticsUpdated(
1757 proto::LspDiskBasedDiagnosticsUpdated {},
1758 ),
1759 ),
1760 },
1761 )?;
1762 }
1763 }
1764 Ok(())
1765}
1766
1767/// leave room disconnects from the room.
1768async fn leave_room(
1769 _: proto::LeaveRoom,
1770 response: Response<proto::LeaveRoom>,
1771 session: UserSession,
1772) -> Result<()> {
1773 leave_room_for_session(&session, session.connection_id).await?;
1774 response.send(proto::Ack {})?;
1775 Ok(())
1776}
1777
1778/// Updates the permissions of someone else in the room.
1779async fn set_room_participant_role(
1780 request: proto::SetRoomParticipantRole,
1781 response: Response<proto::SetRoomParticipantRole>,
1782 session: UserSession,
1783) -> Result<()> {
1784 let user_id = UserId::from_proto(request.user_id);
1785 let role = ChannelRole::from(request.role());
1786
1787 let (live_kit_room, can_publish) = {
1788 let room = session
1789 .db()
1790 .await
1791 .set_room_participant_role(
1792 session.user_id(),
1793 RoomId::from_proto(request.room_id),
1794 user_id,
1795 role,
1796 )
1797 .await?;
1798
1799 let live_kit_room = room.live_kit_room.clone();
1800 let can_publish = ChannelRole::from(request.role()).can_use_microphone();
1801 room_updated(&room, &session.peer);
1802 (live_kit_room, can_publish)
1803 };
1804
1805 if let Some(live_kit) = session.app_state.live_kit_client.as_ref() {
1806 live_kit
1807 .update_participant(
1808 live_kit_room.clone(),
1809 request.user_id.to_string(),
1810 live_kit_server::proto::ParticipantPermission {
1811 can_subscribe: true,
1812 can_publish,
1813 can_publish_data: can_publish,
1814 hidden: false,
1815 recorder: false,
1816 },
1817 )
1818 .await
1819 .trace_err();
1820 }
1821
1822 response.send(proto::Ack {})?;
1823 Ok(())
1824}
1825
1826/// Call someone else into the current room
1827async fn call(
1828 request: proto::Call,
1829 response: Response<proto::Call>,
1830 session: UserSession,
1831) -> Result<()> {
1832 let room_id = RoomId::from_proto(request.room_id);
1833 let calling_user_id = session.user_id();
1834 let calling_connection_id = session.connection_id;
1835 let called_user_id = UserId::from_proto(request.called_user_id);
1836 let initial_project_id = request.initial_project_id.map(ProjectId::from_proto);
1837 if !session
1838 .db()
1839 .await
1840 .has_contact(calling_user_id, called_user_id)
1841 .await?
1842 {
1843 return Err(anyhow!("cannot call a user who isn't a contact"))?;
1844 }
1845
1846 let incoming_call = {
1847 let (room, incoming_call) = &mut *session
1848 .db()
1849 .await
1850 .call(
1851 room_id,
1852 calling_user_id,
1853 calling_connection_id,
1854 called_user_id,
1855 initial_project_id,
1856 )
1857 .await?;
1858 room_updated(room, &session.peer);
1859 mem::take(incoming_call)
1860 };
1861 update_user_contacts(called_user_id, &session).await?;
1862
1863 let mut calls = session
1864 .connection_pool()
1865 .await
1866 .user_connection_ids(called_user_id)
1867 .map(|connection_id| session.peer.request(connection_id, incoming_call.clone()))
1868 .collect::<FuturesUnordered<_>>();
1869
1870 while let Some(call_response) = calls.next().await {
1871 match call_response.as_ref() {
1872 Ok(_) => {
1873 response.send(proto::Ack {})?;
1874 return Ok(());
1875 }
1876 Err(_) => {
1877 call_response.trace_err();
1878 }
1879 }
1880 }
1881
1882 {
1883 let room = session
1884 .db()
1885 .await
1886 .call_failed(room_id, called_user_id)
1887 .await?;
1888 room_updated(&room, &session.peer);
1889 }
1890 update_user_contacts(called_user_id, &session).await?;
1891
1892 Err(anyhow!("failed to ring user"))?
1893}
1894
1895/// Cancel an outgoing call.
1896async fn cancel_call(
1897 request: proto::CancelCall,
1898 response: Response<proto::CancelCall>,
1899 session: UserSession,
1900) -> Result<()> {
1901 let called_user_id = UserId::from_proto(request.called_user_id);
1902 let room_id = RoomId::from_proto(request.room_id);
1903 {
1904 let room = session
1905 .db()
1906 .await
1907 .cancel_call(room_id, session.connection_id, called_user_id)
1908 .await?;
1909 room_updated(&room, &session.peer);
1910 }
1911
1912 for connection_id in session
1913 .connection_pool()
1914 .await
1915 .user_connection_ids(called_user_id)
1916 {
1917 session
1918 .peer
1919 .send(
1920 connection_id,
1921 proto::CallCanceled {
1922 room_id: room_id.to_proto(),
1923 },
1924 )
1925 .trace_err();
1926 }
1927 response.send(proto::Ack {})?;
1928
1929 update_user_contacts(called_user_id, &session).await?;
1930 Ok(())
1931}
1932
1933/// Decline an incoming call.
1934async fn decline_call(message: proto::DeclineCall, session: UserSession) -> Result<()> {
1935 let room_id = RoomId::from_proto(message.room_id);
1936 {
1937 let room = session
1938 .db()
1939 .await
1940 .decline_call(Some(room_id), session.user_id())
1941 .await?
1942 .ok_or_else(|| anyhow!("failed to decline call"))?;
1943 room_updated(&room, &session.peer);
1944 }
1945
1946 for connection_id in session
1947 .connection_pool()
1948 .await
1949 .user_connection_ids(session.user_id())
1950 {
1951 session
1952 .peer
1953 .send(
1954 connection_id,
1955 proto::CallCanceled {
1956 room_id: room_id.to_proto(),
1957 },
1958 )
1959 .trace_err();
1960 }
1961 update_user_contacts(session.user_id(), &session).await?;
1962 Ok(())
1963}
1964
1965/// Updates other participants in the room with your current location.
1966async fn update_participant_location(
1967 request: proto::UpdateParticipantLocation,
1968 response: Response<proto::UpdateParticipantLocation>,
1969 session: UserSession,
1970) -> Result<()> {
1971 let room_id = RoomId::from_proto(request.room_id);
1972 let location = request
1973 .location
1974 .ok_or_else(|| anyhow!("invalid location"))?;
1975
1976 let db = session.db().await;
1977 let room = db
1978 .update_room_participant_location(room_id, session.connection_id, location)
1979 .await?;
1980
1981 room_updated(&room, &session.peer);
1982 response.send(proto::Ack {})?;
1983 Ok(())
1984}
1985
1986/// Share a project into the room.
1987async fn share_project(
1988 request: proto::ShareProject,
1989 response: Response<proto::ShareProject>,
1990 session: UserSession,
1991) -> Result<()> {
1992 let (project_id, room) = &*session
1993 .db()
1994 .await
1995 .share_project(
1996 RoomId::from_proto(request.room_id),
1997 session.connection_id,
1998 &request.worktrees,
1999 request
2000 .dev_server_project_id
2001 .map(DevServerProjectId::from_proto),
2002 )
2003 .await?;
2004 response.send(proto::ShareProjectResponse {
2005 project_id: project_id.to_proto(),
2006 })?;
2007 room_updated(room, &session.peer);
2008
2009 Ok(())
2010}
2011
2012/// Unshare a project from the room.
2013async fn unshare_project(message: proto::UnshareProject, session: Session) -> Result<()> {
2014 let project_id = ProjectId::from_proto(message.project_id);
2015 unshare_project_internal(
2016 project_id,
2017 session.connection_id,
2018 session.user_id(),
2019 &session,
2020 )
2021 .await
2022}
2023
2024async fn unshare_project_internal(
2025 project_id: ProjectId,
2026 connection_id: ConnectionId,
2027 user_id: Option<UserId>,
2028 session: &Session,
2029) -> Result<()> {
2030 let delete = {
2031 let room_guard = session
2032 .db()
2033 .await
2034 .unshare_project(project_id, connection_id, user_id)
2035 .await?;
2036
2037 let (delete, room, guest_connection_ids) = &*room_guard;
2038
2039 let message = proto::UnshareProject {
2040 project_id: project_id.to_proto(),
2041 };
2042
2043 broadcast(
2044 Some(connection_id),
2045 guest_connection_ids.iter().copied(),
2046 |conn_id| session.peer.send(conn_id, message.clone()),
2047 );
2048 if let Some(room) = room {
2049 room_updated(room, &session.peer);
2050 }
2051
2052 *delete
2053 };
2054
2055 if delete {
2056 let db = session.db().await;
2057 db.delete_project(project_id).await?;
2058 }
2059
2060 Ok(())
2061}
2062
2063/// DevServer makes a project available online
2064async fn share_dev_server_project(
2065 request: proto::ShareDevServerProject,
2066 response: Response<proto::ShareDevServerProject>,
2067 session: DevServerSession,
2068) -> Result<()> {
2069 let (dev_server_project, user_id, status) = session
2070 .db()
2071 .await
2072 .share_dev_server_project(
2073 DevServerProjectId::from_proto(request.dev_server_project_id),
2074 session.dev_server_id(),
2075 session.connection_id,
2076 &request.worktrees,
2077 )
2078 .await?;
2079 let Some(project_id) = dev_server_project.project_id else {
2080 return Err(anyhow!("failed to share remote project"))?;
2081 };
2082
2083 send_dev_server_projects_update(user_id, status, &session).await;
2084
2085 response.send(proto::ShareProjectResponse { project_id })?;
2086
2087 Ok(())
2088}
2089
2090/// Join someone elses shared project.
2091async fn join_project(
2092 request: proto::JoinProject,
2093 response: Response<proto::JoinProject>,
2094 session: UserSession,
2095) -> Result<()> {
2096 let project_id = ProjectId::from_proto(request.project_id);
2097
2098 tracing::info!(%project_id, "join project");
2099
2100 let db = session.db().await;
2101 let (project, replica_id) = &mut *db
2102 .join_project(project_id, session.connection_id, session.user_id())
2103 .await?;
2104 drop(db);
2105 tracing::info!(%project_id, "join remote project");
2106 join_project_internal(response, session, project, replica_id)
2107}
2108
2109trait JoinProjectInternalResponse {
2110 fn send(self, result: proto::JoinProjectResponse) -> Result<()>;
2111}
2112impl JoinProjectInternalResponse for Response<proto::JoinProject> {
2113 fn send(self, result: proto::JoinProjectResponse) -> Result<()> {
2114 Response::<proto::JoinProject>::send(self, result)
2115 }
2116}
2117impl JoinProjectInternalResponse for Response<proto::JoinHostedProject> {
2118 fn send(self, result: proto::JoinProjectResponse) -> Result<()> {
2119 Response::<proto::JoinHostedProject>::send(self, result)
2120 }
2121}
2122
2123fn join_project_internal(
2124 response: impl JoinProjectInternalResponse,
2125 session: UserSession,
2126 project: &mut Project,
2127 replica_id: &ReplicaId,
2128) -> Result<()> {
2129 let collaborators = project
2130 .collaborators
2131 .iter()
2132 .filter(|collaborator| collaborator.connection_id != session.connection_id)
2133 .map(|collaborator| collaborator.to_proto())
2134 .collect::<Vec<_>>();
2135 let project_id = project.id;
2136 let guest_user_id = session.user_id();
2137
2138 let worktrees = project
2139 .worktrees
2140 .iter()
2141 .map(|(id, worktree)| proto::WorktreeMetadata {
2142 id: *id,
2143 root_name: worktree.root_name.clone(),
2144 visible: worktree.visible,
2145 abs_path: worktree.abs_path.clone(),
2146 })
2147 .collect::<Vec<_>>();
2148
2149 let add_project_collaborator = proto::AddProjectCollaborator {
2150 project_id: project_id.to_proto(),
2151 collaborator: Some(proto::Collaborator {
2152 peer_id: Some(session.connection_id.into()),
2153 replica_id: replica_id.0 as u32,
2154 user_id: guest_user_id.to_proto(),
2155 }),
2156 };
2157
2158 for collaborator in &collaborators {
2159 session
2160 .peer
2161 .send(
2162 collaborator.peer_id.unwrap().into(),
2163 add_project_collaborator.clone(),
2164 )
2165 .trace_err();
2166 }
2167
2168 // First, we send the metadata associated with each worktree.
2169 response.send(proto::JoinProjectResponse {
2170 project_id: project.id.0 as u64,
2171 worktrees: worktrees.clone(),
2172 replica_id: replica_id.0 as u32,
2173 collaborators: collaborators.clone(),
2174 language_servers: project.language_servers.clone(),
2175 role: project.role.into(),
2176 dev_server_project_id: project
2177 .dev_server_project_id
2178 .map(|dev_server_project_id| dev_server_project_id.0 as u64),
2179 })?;
2180
2181 for (worktree_id, worktree) in mem::take(&mut project.worktrees) {
2182 #[cfg(any(test, feature = "test-support"))]
2183 const MAX_CHUNK_SIZE: usize = 2;
2184 #[cfg(not(any(test, feature = "test-support")))]
2185 const MAX_CHUNK_SIZE: usize = 256;
2186
2187 // Stream this worktree's entries.
2188 let message = proto::UpdateWorktree {
2189 project_id: project_id.to_proto(),
2190 worktree_id,
2191 abs_path: worktree.abs_path.clone(),
2192 root_name: worktree.root_name,
2193 updated_entries: worktree.entries,
2194 removed_entries: Default::default(),
2195 scan_id: worktree.scan_id,
2196 is_last_update: worktree.scan_id == worktree.completed_scan_id,
2197 updated_repositories: worktree.repository_entries.into_values().collect(),
2198 removed_repositories: Default::default(),
2199 };
2200 for update in proto::split_worktree_update(message, MAX_CHUNK_SIZE) {
2201 session.peer.send(session.connection_id, update.clone())?;
2202 }
2203
2204 // Stream this worktree's diagnostics.
2205 for summary in worktree.diagnostic_summaries {
2206 session.peer.send(
2207 session.connection_id,
2208 proto::UpdateDiagnosticSummary {
2209 project_id: project_id.to_proto(),
2210 worktree_id: worktree.id,
2211 summary: Some(summary),
2212 },
2213 )?;
2214 }
2215
2216 for settings_file in worktree.settings_files {
2217 session.peer.send(
2218 session.connection_id,
2219 proto::UpdateWorktreeSettings {
2220 project_id: project_id.to_proto(),
2221 worktree_id: worktree.id,
2222 path: settings_file.path,
2223 content: Some(settings_file.content),
2224 },
2225 )?;
2226 }
2227 }
2228
2229 for language_server in &project.language_servers {
2230 session.peer.send(
2231 session.connection_id,
2232 proto::UpdateLanguageServer {
2233 project_id: project_id.to_proto(),
2234 language_server_id: language_server.id,
2235 variant: Some(
2236 proto::update_language_server::Variant::DiskBasedDiagnosticsUpdated(
2237 proto::LspDiskBasedDiagnosticsUpdated {},
2238 ),
2239 ),
2240 },
2241 )?;
2242 }
2243
2244 Ok(())
2245}
2246
2247/// Leave someone elses shared project.
2248async fn leave_project(request: proto::LeaveProject, session: UserSession) -> Result<()> {
2249 let sender_id = session.connection_id;
2250 let project_id = ProjectId::from_proto(request.project_id);
2251 let db = session.db().await;
2252 if db.is_hosted_project(project_id).await? {
2253 let project = db.leave_hosted_project(project_id, sender_id).await?;
2254 project_left(&project, &session);
2255 return Ok(());
2256 }
2257
2258 let (room, project) = &*db.leave_project(project_id, sender_id).await?;
2259 tracing::info!(
2260 %project_id,
2261 "leave project"
2262 );
2263
2264 project_left(project, &session);
2265 if let Some(room) = room {
2266 room_updated(room, &session.peer);
2267 }
2268
2269 Ok(())
2270}
2271
2272async fn join_hosted_project(
2273 request: proto::JoinHostedProject,
2274 response: Response<proto::JoinHostedProject>,
2275 session: UserSession,
2276) -> Result<()> {
2277 let (mut project, replica_id) = session
2278 .db()
2279 .await
2280 .join_hosted_project(
2281 ProjectId(request.project_id as i32),
2282 session.user_id(),
2283 session.connection_id,
2284 )
2285 .await?;
2286
2287 join_project_internal(response, session, &mut project, &replica_id)
2288}
2289
2290async fn list_remote_directory(
2291 request: proto::ListRemoteDirectory,
2292 response: Response<proto::ListRemoteDirectory>,
2293 session: UserSession,
2294) -> Result<()> {
2295 let dev_server_id = DevServerId(request.dev_server_id as i32);
2296 let dev_server_connection_id = session
2297 .connection_pool()
2298 .await
2299 .dev_server_connection_id_supporting(dev_server_id, ZedVersion::with_list_directory())?;
2300
2301 session
2302 .db()
2303 .await
2304 .get_dev_server_for_user(dev_server_id, session.user_id())
2305 .await?;
2306
2307 response.send(
2308 session
2309 .peer
2310 .forward_request(session.connection_id, dev_server_connection_id, request)
2311 .await?,
2312 )?;
2313 Ok(())
2314}
2315
2316async fn update_dev_server_project(
2317 request: proto::UpdateDevServerProject,
2318 response: Response<proto::UpdateDevServerProject>,
2319 session: UserSession,
2320) -> Result<()> {
2321 let dev_server_project_id = DevServerProjectId(request.dev_server_project_id as i32);
2322
2323 let (dev_server_project, update) = session
2324 .db()
2325 .await
2326 .update_dev_server_project(dev_server_project_id, &request.paths, session.user_id())
2327 .await?;
2328
2329 let projects = session
2330 .db()
2331 .await
2332 .get_projects_for_dev_server(dev_server_project.dev_server_id)
2333 .await?;
2334
2335 let dev_server_connection_id = session
2336 .connection_pool()
2337 .await
2338 .dev_server_connection_id_supporting(
2339 dev_server_project.dev_server_id,
2340 ZedVersion::with_list_directory(),
2341 )?;
2342
2343 session.peer.send(
2344 dev_server_connection_id,
2345 proto::DevServerInstructions { projects },
2346 )?;
2347
2348 send_dev_server_projects_update(session.user_id(), update, &session).await;
2349
2350 response.send(proto::Ack {})
2351}
2352
2353async fn create_dev_server_project(
2354 request: proto::CreateDevServerProject,
2355 response: Response<proto::CreateDevServerProject>,
2356 session: UserSession,
2357) -> Result<()> {
2358 let dev_server_id = DevServerId(request.dev_server_id as i32);
2359 let dev_server_connection_id = session
2360 .connection_pool()
2361 .await
2362 .dev_server_connection_id(dev_server_id);
2363 let Some(dev_server_connection_id) = dev_server_connection_id else {
2364 Err(ErrorCode::DevServerOffline
2365 .message("Cannot create a remote project when the dev server is offline".to_string())
2366 .anyhow())?
2367 };
2368
2369 let path = request.path.clone();
2370 //Check that the path exists on the dev server
2371 session
2372 .peer
2373 .forward_request(
2374 session.connection_id,
2375 dev_server_connection_id,
2376 proto::ValidateDevServerProjectRequest { path: path.clone() },
2377 )
2378 .await?;
2379
2380 let (dev_server_project, update) = session
2381 .db()
2382 .await
2383 .create_dev_server_project(
2384 DevServerId(request.dev_server_id as i32),
2385 &request.path,
2386 session.user_id(),
2387 )
2388 .await?;
2389
2390 let projects = session
2391 .db()
2392 .await
2393 .get_projects_for_dev_server(dev_server_project.dev_server_id)
2394 .await?;
2395
2396 session.peer.send(
2397 dev_server_connection_id,
2398 proto::DevServerInstructions { projects },
2399 )?;
2400
2401 send_dev_server_projects_update(session.user_id(), update, &session).await;
2402
2403 response.send(proto::CreateDevServerProjectResponse {
2404 dev_server_project: Some(dev_server_project.to_proto(None)),
2405 })?;
2406 Ok(())
2407}
2408
2409async fn create_dev_server(
2410 request: proto::CreateDevServer,
2411 response: Response<proto::CreateDevServer>,
2412 session: UserSession,
2413) -> Result<()> {
2414 let access_token = auth::random_token();
2415 let hashed_access_token = auth::hash_access_token(&access_token);
2416
2417 if request.name.is_empty() {
2418 return Err(proto::ErrorCode::Forbidden
2419 .message("Dev server name cannot be empty".to_string())
2420 .anyhow())?;
2421 }
2422
2423 let (dev_server, status) = session
2424 .db()
2425 .await
2426 .create_dev_server(
2427 &request.name,
2428 request.ssh_connection_string.as_deref(),
2429 &hashed_access_token,
2430 session.user_id(),
2431 )
2432 .await?;
2433
2434 send_dev_server_projects_update(session.user_id(), status, &session).await;
2435
2436 response.send(proto::CreateDevServerResponse {
2437 dev_server_id: dev_server.id.0 as u64,
2438 access_token: auth::generate_dev_server_token(dev_server.id.0 as usize, access_token),
2439 name: request.name,
2440 })?;
2441 Ok(())
2442}
2443
2444async fn regenerate_dev_server_token(
2445 request: proto::RegenerateDevServerToken,
2446 response: Response<proto::RegenerateDevServerToken>,
2447 session: UserSession,
2448) -> Result<()> {
2449 let dev_server_id = DevServerId(request.dev_server_id as i32);
2450 let access_token = auth::random_token();
2451 let hashed_access_token = auth::hash_access_token(&access_token);
2452
2453 let connection_id = session
2454 .connection_pool()
2455 .await
2456 .dev_server_connection_id(dev_server_id);
2457 if let Some(connection_id) = connection_id {
2458 shutdown_dev_server_internal(dev_server_id, connection_id, &session).await?;
2459 session.peer.send(
2460 connection_id,
2461 proto::ShutdownDevServer {
2462 reason: Some("dev server token was regenerated".to_string()),
2463 },
2464 )?;
2465 let _ = remove_dev_server_connection(dev_server_id, &session).await;
2466 }
2467
2468 let status = session
2469 .db()
2470 .await
2471 .update_dev_server_token(dev_server_id, &hashed_access_token, session.user_id())
2472 .await?;
2473
2474 send_dev_server_projects_update(session.user_id(), status, &session).await;
2475
2476 response.send(proto::RegenerateDevServerTokenResponse {
2477 dev_server_id: dev_server_id.to_proto(),
2478 access_token: auth::generate_dev_server_token(dev_server_id.0 as usize, access_token),
2479 })?;
2480 Ok(())
2481}
2482
2483async fn rename_dev_server(
2484 request: proto::RenameDevServer,
2485 response: Response<proto::RenameDevServer>,
2486 session: UserSession,
2487) -> Result<()> {
2488 if request.name.trim().is_empty() {
2489 return Err(proto::ErrorCode::Forbidden
2490 .message("Dev server name cannot be empty".to_string())
2491 .anyhow())?;
2492 }
2493
2494 let dev_server_id = DevServerId(request.dev_server_id as i32);
2495 let dev_server = session.db().await.get_dev_server(dev_server_id).await?;
2496 if dev_server.user_id != session.user_id() {
2497 return Err(anyhow!(ErrorCode::Forbidden))?;
2498 }
2499
2500 let status = session
2501 .db()
2502 .await
2503 .rename_dev_server(
2504 dev_server_id,
2505 &request.name,
2506 request.ssh_connection_string.as_deref(),
2507 session.user_id(),
2508 )
2509 .await?;
2510
2511 send_dev_server_projects_update(session.user_id(), status, &session).await;
2512
2513 response.send(proto::Ack {})?;
2514 Ok(())
2515}
2516
2517async fn delete_dev_server(
2518 request: proto::DeleteDevServer,
2519 response: Response<proto::DeleteDevServer>,
2520 session: UserSession,
2521) -> Result<()> {
2522 let dev_server_id = DevServerId(request.dev_server_id as i32);
2523 let dev_server = session.db().await.get_dev_server(dev_server_id).await?;
2524 if dev_server.user_id != session.user_id() {
2525 return Err(anyhow!(ErrorCode::Forbidden))?;
2526 }
2527
2528 let connection_id = session
2529 .connection_pool()
2530 .await
2531 .dev_server_connection_id(dev_server_id);
2532 if let Some(connection_id) = connection_id {
2533 shutdown_dev_server_internal(dev_server_id, connection_id, &session).await?;
2534 session.peer.send(
2535 connection_id,
2536 proto::ShutdownDevServer {
2537 reason: Some("dev server was deleted".to_string()),
2538 },
2539 )?;
2540 let _ = remove_dev_server_connection(dev_server_id, &session).await;
2541 }
2542
2543 let status = session
2544 .db()
2545 .await
2546 .delete_dev_server(dev_server_id, session.user_id())
2547 .await?;
2548
2549 send_dev_server_projects_update(session.user_id(), status, &session).await;
2550
2551 response.send(proto::Ack {})?;
2552 Ok(())
2553}
2554
2555async fn delete_dev_server_project(
2556 request: proto::DeleteDevServerProject,
2557 response: Response<proto::DeleteDevServerProject>,
2558 session: UserSession,
2559) -> Result<()> {
2560 let dev_server_project_id = DevServerProjectId(request.dev_server_project_id as i32);
2561 let dev_server_project = session
2562 .db()
2563 .await
2564 .get_dev_server_project(dev_server_project_id)
2565 .await?;
2566
2567 let dev_server = session
2568 .db()
2569 .await
2570 .get_dev_server(dev_server_project.dev_server_id)
2571 .await?;
2572 if dev_server.user_id != session.user_id() {
2573 return Err(anyhow!(ErrorCode::Forbidden))?;
2574 }
2575
2576 let dev_server_connection_id = session
2577 .connection_pool()
2578 .await
2579 .dev_server_connection_id(dev_server.id);
2580
2581 if let Some(dev_server_connection_id) = dev_server_connection_id {
2582 let project = session
2583 .db()
2584 .await
2585 .find_dev_server_project(dev_server_project_id)
2586 .await;
2587 if let Ok(project) = project {
2588 unshare_project_internal(
2589 project.id,
2590 dev_server_connection_id,
2591 Some(session.user_id()),
2592 &session,
2593 )
2594 .await?;
2595 }
2596 }
2597
2598 let (projects, status) = session
2599 .db()
2600 .await
2601 .delete_dev_server_project(dev_server_project_id, dev_server.id, session.user_id())
2602 .await?;
2603
2604 if let Some(dev_server_connection_id) = dev_server_connection_id {
2605 session.peer.send(
2606 dev_server_connection_id,
2607 proto::DevServerInstructions { projects },
2608 )?;
2609 }
2610
2611 send_dev_server_projects_update(session.user_id(), status, &session).await;
2612
2613 response.send(proto::Ack {})?;
2614 Ok(())
2615}
2616
2617async fn rejoin_dev_server_projects(
2618 request: proto::RejoinRemoteProjects,
2619 response: Response<proto::RejoinRemoteProjects>,
2620 session: UserSession,
2621) -> Result<()> {
2622 let mut rejoined_projects = {
2623 let db = session.db().await;
2624 db.rejoin_dev_server_projects(
2625 &request.rejoined_projects,
2626 session.user_id(),
2627 session.0.connection_id,
2628 )
2629 .await?
2630 };
2631 response.send(proto::RejoinRemoteProjectsResponse {
2632 rejoined_projects: rejoined_projects
2633 .iter()
2634 .map(|project| project.to_proto())
2635 .collect(),
2636 })?;
2637 notify_rejoined_projects(&mut rejoined_projects, &session)
2638}
2639
2640async fn reconnect_dev_server(
2641 request: proto::ReconnectDevServer,
2642 response: Response<proto::ReconnectDevServer>,
2643 session: DevServerSession,
2644) -> Result<()> {
2645 let reshared_projects = {
2646 let db = session.db().await;
2647 db.reshare_dev_server_projects(
2648 &request.reshared_projects,
2649 session.dev_server_id(),
2650 session.0.connection_id,
2651 )
2652 .await?
2653 };
2654
2655 for project in &reshared_projects {
2656 for collaborator in &project.collaborators {
2657 session
2658 .peer
2659 .send(
2660 collaborator.connection_id,
2661 proto::UpdateProjectCollaborator {
2662 project_id: project.id.to_proto(),
2663 old_peer_id: Some(project.old_connection_id.into()),
2664 new_peer_id: Some(session.connection_id.into()),
2665 },
2666 )
2667 .trace_err();
2668 }
2669
2670 broadcast(
2671 Some(session.connection_id),
2672 project
2673 .collaborators
2674 .iter()
2675 .map(|collaborator| collaborator.connection_id),
2676 |connection_id| {
2677 session.peer.forward_send(
2678 session.connection_id,
2679 connection_id,
2680 proto::UpdateProject {
2681 project_id: project.id.to_proto(),
2682 worktrees: project.worktrees.clone(),
2683 },
2684 )
2685 },
2686 );
2687 }
2688
2689 response.send(proto::ReconnectDevServerResponse {
2690 reshared_projects: reshared_projects
2691 .iter()
2692 .map(|project| proto::ResharedProject {
2693 id: project.id.to_proto(),
2694 collaborators: project
2695 .collaborators
2696 .iter()
2697 .map(|collaborator| collaborator.to_proto())
2698 .collect(),
2699 })
2700 .collect(),
2701 })?;
2702
2703 Ok(())
2704}
2705
2706async fn shutdown_dev_server(
2707 _: proto::ShutdownDevServer,
2708 response: Response<proto::ShutdownDevServer>,
2709 session: DevServerSession,
2710) -> Result<()> {
2711 response.send(proto::Ack {})?;
2712 shutdown_dev_server_internal(session.dev_server_id(), session.connection_id, &session).await?;
2713 remove_dev_server_connection(session.dev_server_id(), &session).await
2714}
2715
2716async fn shutdown_dev_server_internal(
2717 dev_server_id: DevServerId,
2718 connection_id: ConnectionId,
2719 session: &Session,
2720) -> Result<()> {
2721 let (dev_server_projects, dev_server) = {
2722 let db = session.db().await;
2723 let dev_server_projects = db.get_projects_for_dev_server(dev_server_id).await?;
2724 let dev_server = db.get_dev_server(dev_server_id).await?;
2725 (dev_server_projects, dev_server)
2726 };
2727
2728 for project_id in dev_server_projects.iter().filter_map(|p| p.project_id) {
2729 unshare_project_internal(
2730 ProjectId::from_proto(project_id),
2731 connection_id,
2732 None,
2733 session,
2734 )
2735 .await?;
2736 }
2737
2738 session
2739 .connection_pool()
2740 .await
2741 .set_dev_server_offline(dev_server_id);
2742
2743 let status = session
2744 .db()
2745 .await
2746 .dev_server_projects_update(dev_server.user_id)
2747 .await?;
2748 send_dev_server_projects_update(dev_server.user_id, status, session).await;
2749
2750 Ok(())
2751}
2752
2753async fn remove_dev_server_connection(dev_server_id: DevServerId, session: &Session) -> Result<()> {
2754 let dev_server_connection = session
2755 .connection_pool()
2756 .await
2757 .dev_server_connection_id(dev_server_id);
2758
2759 if let Some(dev_server_connection) = dev_server_connection {
2760 session
2761 .connection_pool()
2762 .await
2763 .remove_connection(dev_server_connection)?;
2764 }
2765 Ok(())
2766}
2767
2768/// Updates other participants with changes to the project
2769async fn update_project(
2770 request: proto::UpdateProject,
2771 response: Response<proto::UpdateProject>,
2772 session: Session,
2773) -> Result<()> {
2774 let project_id = ProjectId::from_proto(request.project_id);
2775 let (room, guest_connection_ids) = &*session
2776 .db()
2777 .await
2778 .update_project(project_id, session.connection_id, &request.worktrees)
2779 .await?;
2780 broadcast(
2781 Some(session.connection_id),
2782 guest_connection_ids.iter().copied(),
2783 |connection_id| {
2784 session
2785 .peer
2786 .forward_send(session.connection_id, connection_id, request.clone())
2787 },
2788 );
2789 if let Some(room) = room {
2790 room_updated(room, &session.peer);
2791 }
2792 response.send(proto::Ack {})?;
2793
2794 Ok(())
2795}
2796
2797/// Updates other participants with changes to the worktree
2798async fn update_worktree(
2799 request: proto::UpdateWorktree,
2800 response: Response<proto::UpdateWorktree>,
2801 session: Session,
2802) -> Result<()> {
2803 let guest_connection_ids = session
2804 .db()
2805 .await
2806 .update_worktree(&request, session.connection_id)
2807 .await?;
2808
2809 broadcast(
2810 Some(session.connection_id),
2811 guest_connection_ids.iter().copied(),
2812 |connection_id| {
2813 session
2814 .peer
2815 .forward_send(session.connection_id, connection_id, request.clone())
2816 },
2817 );
2818 response.send(proto::Ack {})?;
2819 Ok(())
2820}
2821
2822/// Updates other participants with changes to the diagnostics
2823async fn update_diagnostic_summary(
2824 message: proto::UpdateDiagnosticSummary,
2825 session: Session,
2826) -> Result<()> {
2827 let guest_connection_ids = session
2828 .db()
2829 .await
2830 .update_diagnostic_summary(&message, session.connection_id)
2831 .await?;
2832
2833 broadcast(
2834 Some(session.connection_id),
2835 guest_connection_ids.iter().copied(),
2836 |connection_id| {
2837 session
2838 .peer
2839 .forward_send(session.connection_id, connection_id, message.clone())
2840 },
2841 );
2842
2843 Ok(())
2844}
2845
2846/// Updates other participants with changes to the worktree settings
2847async fn update_worktree_settings(
2848 message: proto::UpdateWorktreeSettings,
2849 session: Session,
2850) -> Result<()> {
2851 let guest_connection_ids = session
2852 .db()
2853 .await
2854 .update_worktree_settings(&message, session.connection_id)
2855 .await?;
2856
2857 broadcast(
2858 Some(session.connection_id),
2859 guest_connection_ids.iter().copied(),
2860 |connection_id| {
2861 session
2862 .peer
2863 .forward_send(session.connection_id, connection_id, message.clone())
2864 },
2865 );
2866
2867 Ok(())
2868}
2869
2870/// Notify other participants that a language server has started.
2871async fn start_language_server(
2872 request: proto::StartLanguageServer,
2873 session: Session,
2874) -> Result<()> {
2875 let guest_connection_ids = session
2876 .db()
2877 .await
2878 .start_language_server(&request, session.connection_id)
2879 .await?;
2880
2881 broadcast(
2882 Some(session.connection_id),
2883 guest_connection_ids.iter().copied(),
2884 |connection_id| {
2885 session
2886 .peer
2887 .forward_send(session.connection_id, connection_id, request.clone())
2888 },
2889 );
2890 Ok(())
2891}
2892
2893/// Notify other participants that a language server has changed.
2894async fn update_language_server(
2895 request: proto::UpdateLanguageServer,
2896 session: Session,
2897) -> Result<()> {
2898 let project_id = ProjectId::from_proto(request.project_id);
2899 let project_connection_ids = session
2900 .db()
2901 .await
2902 .project_connection_ids(project_id, session.connection_id, true)
2903 .await?;
2904 broadcast(
2905 Some(session.connection_id),
2906 project_connection_ids.iter().copied(),
2907 |connection_id| {
2908 session
2909 .peer
2910 .forward_send(session.connection_id, connection_id, request.clone())
2911 },
2912 );
2913 Ok(())
2914}
2915
2916/// forward a project request to the host. These requests should be read only
2917/// as guests are allowed to send them.
2918async fn forward_read_only_project_request<T>(
2919 request: T,
2920 response: Response<T>,
2921 session: UserSession,
2922) -> Result<()>
2923where
2924 T: EntityMessage + RequestMessage,
2925{
2926 let project_id = ProjectId::from_proto(request.remote_entity_id());
2927 let host_connection_id = session
2928 .db()
2929 .await
2930 .host_for_read_only_project_request(project_id, session.connection_id, session.user_id())
2931 .await?;
2932 let payload = session
2933 .peer
2934 .forward_request(session.connection_id, host_connection_id, request)
2935 .await?;
2936 response.send(payload)?;
2937 Ok(())
2938}
2939
2940async fn forward_find_search_candidates_request(
2941 request: proto::FindSearchCandidates,
2942 response: Response<proto::FindSearchCandidates>,
2943 session: UserSession,
2944) -> Result<()> {
2945 let project_id = ProjectId::from_proto(request.remote_entity_id());
2946 let host_connection_id = session
2947 .db()
2948 .await
2949 .host_for_read_only_project_request(project_id, session.connection_id, session.user_id())
2950 .await?;
2951
2952 let host_version = session
2953 .connection_pool()
2954 .await
2955 .connection(host_connection_id)
2956 .map(|c| c.zed_version);
2957
2958 if host_version.is_some_and(|host_version| host_version < ZedVersion::with_search_candidates())
2959 {
2960 let query = request.query.ok_or_else(|| anyhow!("missing query"))?;
2961 let search = proto::SearchProject {
2962 project_id: project_id.to_proto(),
2963 query: query.query,
2964 regex: query.regex,
2965 whole_word: query.whole_word,
2966 case_sensitive: query.case_sensitive,
2967 files_to_include: query.files_to_include,
2968 files_to_exclude: query.files_to_exclude,
2969 include_ignored: query.include_ignored,
2970 };
2971
2972 let payload = session
2973 .peer
2974 .forward_request(session.connection_id, host_connection_id, search)
2975 .await?;
2976 return response.send(proto::FindSearchCandidatesResponse {
2977 buffer_ids: payload
2978 .locations
2979 .into_iter()
2980 .map(|loc| loc.buffer_id)
2981 .collect(),
2982 });
2983 }
2984
2985 let payload = session
2986 .peer
2987 .forward_request(session.connection_id, host_connection_id, request)
2988 .await?;
2989 response.send(payload)?;
2990 Ok(())
2991}
2992
2993/// forward a project request to the dev server. Only allowed
2994/// if it's your dev server.
2995async fn forward_project_request_for_owner<T>(
2996 request: T,
2997 response: Response<T>,
2998 session: UserSession,
2999) -> Result<()>
3000where
3001 T: EntityMessage + RequestMessage,
3002{
3003 let project_id = ProjectId::from_proto(request.remote_entity_id());
3004
3005 let host_connection_id = session
3006 .db()
3007 .await
3008 .host_for_owner_project_request(project_id, session.connection_id, session.user_id())
3009 .await?;
3010 let payload = session
3011 .peer
3012 .forward_request(session.connection_id, host_connection_id, request)
3013 .await?;
3014 response.send(payload)?;
3015 Ok(())
3016}
3017
3018/// forward a project request to the host. These requests are disallowed
3019/// for guests.
3020async fn forward_mutating_project_request<T>(
3021 request: T,
3022 response: Response<T>,
3023 session: UserSession,
3024) -> Result<()>
3025where
3026 T: EntityMessage + RequestMessage,
3027{
3028 let project_id = ProjectId::from_proto(request.remote_entity_id());
3029
3030 let host_connection_id = session
3031 .db()
3032 .await
3033 .host_for_mutating_project_request(project_id, session.connection_id, session.user_id())
3034 .await?;
3035 let payload = session
3036 .peer
3037 .forward_request(session.connection_id, host_connection_id, request)
3038 .await?;
3039 response.send(payload)?;
3040 Ok(())
3041}
3042
3043/// Notify other participants that a new buffer has been created
3044async fn create_buffer_for_peer(
3045 request: proto::CreateBufferForPeer,
3046 session: Session,
3047) -> Result<()> {
3048 session
3049 .db()
3050 .await
3051 .check_user_is_project_host(
3052 ProjectId::from_proto(request.project_id),
3053 session.connection_id,
3054 )
3055 .await?;
3056 let peer_id = request.peer_id.ok_or_else(|| anyhow!("invalid peer id"))?;
3057 session
3058 .peer
3059 .forward_send(session.connection_id, peer_id.into(), request)?;
3060 Ok(())
3061}
3062
3063/// Notify other participants that a buffer has been updated. This is
3064/// allowed for guests as long as the update is limited to selections.
3065async fn update_buffer(
3066 request: proto::UpdateBuffer,
3067 response: Response<proto::UpdateBuffer>,
3068 session: Session,
3069) -> Result<()> {
3070 let project_id = ProjectId::from_proto(request.project_id);
3071 let mut capability = Capability::ReadOnly;
3072
3073 for op in request.operations.iter() {
3074 match op.variant {
3075 None | Some(proto::operation::Variant::UpdateSelections(_)) => {}
3076 Some(_) => capability = Capability::ReadWrite,
3077 }
3078 }
3079
3080 let host = {
3081 let guard = session
3082 .db()
3083 .await
3084 .connections_for_buffer_update(
3085 project_id,
3086 session.principal_id(),
3087 session.connection_id,
3088 capability,
3089 )
3090 .await?;
3091
3092 let (host, guests) = &*guard;
3093
3094 broadcast(
3095 Some(session.connection_id),
3096 guests.clone(),
3097 |connection_id| {
3098 session
3099 .peer
3100 .forward_send(session.connection_id, connection_id, request.clone())
3101 },
3102 );
3103
3104 *host
3105 };
3106
3107 if host != session.connection_id {
3108 session
3109 .peer
3110 .forward_request(session.connection_id, host, request.clone())
3111 .await?;
3112 }
3113
3114 response.send(proto::Ack {})?;
3115 Ok(())
3116}
3117
3118async fn update_context(message: proto::UpdateContext, session: Session) -> Result<()> {
3119 let project_id = ProjectId::from_proto(message.project_id);
3120
3121 let operation = message.operation.as_ref().context("invalid operation")?;
3122 let capability = match operation.variant.as_ref() {
3123 Some(proto::context_operation::Variant::BufferOperation(buffer_op)) => {
3124 if let Some(buffer_op) = buffer_op.operation.as_ref() {
3125 match buffer_op.variant {
3126 None | Some(proto::operation::Variant::UpdateSelections(_)) => {
3127 Capability::ReadOnly
3128 }
3129 _ => Capability::ReadWrite,
3130 }
3131 } else {
3132 Capability::ReadWrite
3133 }
3134 }
3135 Some(_) => Capability::ReadWrite,
3136 None => Capability::ReadOnly,
3137 };
3138
3139 let guard = session
3140 .db()
3141 .await
3142 .connections_for_buffer_update(
3143 project_id,
3144 session.principal_id(),
3145 session.connection_id,
3146 capability,
3147 )
3148 .await?;
3149
3150 let (host, guests) = &*guard;
3151
3152 broadcast(
3153 Some(session.connection_id),
3154 guests.iter().chain([host]).copied(),
3155 |connection_id| {
3156 session
3157 .peer
3158 .forward_send(session.connection_id, connection_id, message.clone())
3159 },
3160 );
3161
3162 Ok(())
3163}
3164
3165/// Notify other participants that a project has been updated.
3166async fn broadcast_project_message_from_host<T: EntityMessage<Entity = ShareProject>>(
3167 request: T,
3168 session: Session,
3169) -> Result<()> {
3170 let project_id = ProjectId::from_proto(request.remote_entity_id());
3171 let project_connection_ids = session
3172 .db()
3173 .await
3174 .project_connection_ids(project_id, session.connection_id, false)
3175 .await?;
3176
3177 broadcast(
3178 Some(session.connection_id),
3179 project_connection_ids.iter().copied(),
3180 |connection_id| {
3181 session
3182 .peer
3183 .forward_send(session.connection_id, connection_id, request.clone())
3184 },
3185 );
3186 Ok(())
3187}
3188
3189/// Start following another user in a call.
3190async fn follow(
3191 request: proto::Follow,
3192 response: Response<proto::Follow>,
3193 session: UserSession,
3194) -> Result<()> {
3195 let room_id = RoomId::from_proto(request.room_id);
3196 let project_id = request.project_id.map(ProjectId::from_proto);
3197 let leader_id = request
3198 .leader_id
3199 .ok_or_else(|| anyhow!("invalid leader id"))?
3200 .into();
3201 let follower_id = session.connection_id;
3202
3203 session
3204 .db()
3205 .await
3206 .check_room_participants(room_id, leader_id, session.connection_id)
3207 .await?;
3208
3209 let response_payload = session
3210 .peer
3211 .forward_request(session.connection_id, leader_id, request)
3212 .await?;
3213 response.send(response_payload)?;
3214
3215 if let Some(project_id) = project_id {
3216 let room = session
3217 .db()
3218 .await
3219 .follow(room_id, project_id, leader_id, follower_id)
3220 .await?;
3221 room_updated(&room, &session.peer);
3222 }
3223
3224 Ok(())
3225}
3226
3227/// Stop following another user in a call.
3228async fn unfollow(request: proto::Unfollow, session: UserSession) -> Result<()> {
3229 let room_id = RoomId::from_proto(request.room_id);
3230 let project_id = request.project_id.map(ProjectId::from_proto);
3231 let leader_id = request
3232 .leader_id
3233 .ok_or_else(|| anyhow!("invalid leader id"))?
3234 .into();
3235 let follower_id = session.connection_id;
3236
3237 session
3238 .db()
3239 .await
3240 .check_room_participants(room_id, leader_id, session.connection_id)
3241 .await?;
3242
3243 session
3244 .peer
3245 .forward_send(session.connection_id, leader_id, request)?;
3246
3247 if let Some(project_id) = project_id {
3248 let room = session
3249 .db()
3250 .await
3251 .unfollow(room_id, project_id, leader_id, follower_id)
3252 .await?;
3253 room_updated(&room, &session.peer);
3254 }
3255
3256 Ok(())
3257}
3258
3259/// Notify everyone following you of your current location.
3260async fn update_followers(request: proto::UpdateFollowers, session: UserSession) -> Result<()> {
3261 let room_id = RoomId::from_proto(request.room_id);
3262 let database = session.db.lock().await;
3263
3264 let connection_ids = if let Some(project_id) = request.project_id {
3265 let project_id = ProjectId::from_proto(project_id);
3266 database
3267 .project_connection_ids(project_id, session.connection_id, true)
3268 .await?
3269 } else {
3270 database
3271 .room_connection_ids(room_id, session.connection_id)
3272 .await?
3273 };
3274
3275 // For now, don't send view update messages back to that view's current leader.
3276 let peer_id_to_omit = request.variant.as_ref().and_then(|variant| match variant {
3277 proto::update_followers::Variant::UpdateView(payload) => payload.leader_id,
3278 _ => None,
3279 });
3280
3281 for connection_id in connection_ids.iter().cloned() {
3282 if Some(connection_id.into()) != peer_id_to_omit && connection_id != session.connection_id {
3283 session
3284 .peer
3285 .forward_send(session.connection_id, connection_id, request.clone())?;
3286 }
3287 }
3288 Ok(())
3289}
3290
3291/// Get public data about users.
3292async fn get_users(
3293 request: proto::GetUsers,
3294 response: Response<proto::GetUsers>,
3295 session: Session,
3296) -> Result<()> {
3297 let user_ids = request
3298 .user_ids
3299 .into_iter()
3300 .map(UserId::from_proto)
3301 .collect();
3302 let users = session
3303 .db()
3304 .await
3305 .get_users_by_ids(user_ids)
3306 .await?
3307 .into_iter()
3308 .map(|user| proto::User {
3309 id: user.id.to_proto(),
3310 avatar_url: format!("https://github.com/{}.png?size=128", user.github_login),
3311 github_login: user.github_login,
3312 })
3313 .collect();
3314 response.send(proto::UsersResponse { users })?;
3315 Ok(())
3316}
3317
3318/// Search for users (to invite) buy Github login
3319async fn fuzzy_search_users(
3320 request: proto::FuzzySearchUsers,
3321 response: Response<proto::FuzzySearchUsers>,
3322 session: UserSession,
3323) -> Result<()> {
3324 let query = request.query;
3325 let users = match query.len() {
3326 0 => vec![],
3327 1 | 2 => session
3328 .db()
3329 .await
3330 .get_user_by_github_login(&query)
3331 .await?
3332 .into_iter()
3333 .collect(),
3334 _ => session.db().await.fuzzy_search_users(&query, 10).await?,
3335 };
3336 let users = users
3337 .into_iter()
3338 .filter(|user| user.id != session.user_id())
3339 .map(|user| proto::User {
3340 id: user.id.to_proto(),
3341 avatar_url: format!("https://github.com/{}.png?size=128", user.github_login),
3342 github_login: user.github_login,
3343 })
3344 .collect();
3345 response.send(proto::UsersResponse { users })?;
3346 Ok(())
3347}
3348
3349/// Send a contact request to another user.
3350async fn request_contact(
3351 request: proto::RequestContact,
3352 response: Response<proto::RequestContact>,
3353 session: UserSession,
3354) -> Result<()> {
3355 let requester_id = session.user_id();
3356 let responder_id = UserId::from_proto(request.responder_id);
3357 if requester_id == responder_id {
3358 return Err(anyhow!("cannot add yourself as a contact"))?;
3359 }
3360
3361 let notifications = session
3362 .db()
3363 .await
3364 .send_contact_request(requester_id, responder_id)
3365 .await?;
3366
3367 // Update outgoing contact requests of requester
3368 let mut update = proto::UpdateContacts::default();
3369 update.outgoing_requests.push(responder_id.to_proto());
3370 for connection_id in session
3371 .connection_pool()
3372 .await
3373 .user_connection_ids(requester_id)
3374 {
3375 session.peer.send(connection_id, update.clone())?;
3376 }
3377
3378 // Update incoming contact requests of responder
3379 let mut update = proto::UpdateContacts::default();
3380 update
3381 .incoming_requests
3382 .push(proto::IncomingContactRequest {
3383 requester_id: requester_id.to_proto(),
3384 });
3385 let connection_pool = session.connection_pool().await;
3386 for connection_id in connection_pool.user_connection_ids(responder_id) {
3387 session.peer.send(connection_id, update.clone())?;
3388 }
3389
3390 send_notifications(&connection_pool, &session.peer, notifications);
3391
3392 response.send(proto::Ack {})?;
3393 Ok(())
3394}
3395
3396/// Accept or decline a contact request
3397async fn respond_to_contact_request(
3398 request: proto::RespondToContactRequest,
3399 response: Response<proto::RespondToContactRequest>,
3400 session: UserSession,
3401) -> Result<()> {
3402 let responder_id = session.user_id();
3403 let requester_id = UserId::from_proto(request.requester_id);
3404 let db = session.db().await;
3405 if request.response == proto::ContactRequestResponse::Dismiss as i32 {
3406 db.dismiss_contact_notification(responder_id, requester_id)
3407 .await?;
3408 } else {
3409 let accept = request.response == proto::ContactRequestResponse::Accept as i32;
3410
3411 let notifications = db
3412 .respond_to_contact_request(responder_id, requester_id, accept)
3413 .await?;
3414 let requester_busy = db.is_user_busy(requester_id).await?;
3415 let responder_busy = db.is_user_busy(responder_id).await?;
3416
3417 let pool = session.connection_pool().await;
3418 // Update responder with new contact
3419 let mut update = proto::UpdateContacts::default();
3420 if accept {
3421 update
3422 .contacts
3423 .push(contact_for_user(requester_id, requester_busy, &pool));
3424 }
3425 update
3426 .remove_incoming_requests
3427 .push(requester_id.to_proto());
3428 for connection_id in pool.user_connection_ids(responder_id) {
3429 session.peer.send(connection_id, update.clone())?;
3430 }
3431
3432 // Update requester with new contact
3433 let mut update = proto::UpdateContacts::default();
3434 if accept {
3435 update
3436 .contacts
3437 .push(contact_for_user(responder_id, responder_busy, &pool));
3438 }
3439 update
3440 .remove_outgoing_requests
3441 .push(responder_id.to_proto());
3442
3443 for connection_id in pool.user_connection_ids(requester_id) {
3444 session.peer.send(connection_id, update.clone())?;
3445 }
3446
3447 send_notifications(&pool, &session.peer, notifications);
3448 }
3449
3450 response.send(proto::Ack {})?;
3451 Ok(())
3452}
3453
3454/// Remove a contact.
3455async fn remove_contact(
3456 request: proto::RemoveContact,
3457 response: Response<proto::RemoveContact>,
3458 session: UserSession,
3459) -> Result<()> {
3460 let requester_id = session.user_id();
3461 let responder_id = UserId::from_proto(request.user_id);
3462 let db = session.db().await;
3463 let (contact_accepted, deleted_notification_id) =
3464 db.remove_contact(requester_id, responder_id).await?;
3465
3466 let pool = session.connection_pool().await;
3467 // Update outgoing contact requests of requester
3468 let mut update = proto::UpdateContacts::default();
3469 if contact_accepted {
3470 update.remove_contacts.push(responder_id.to_proto());
3471 } else {
3472 update
3473 .remove_outgoing_requests
3474 .push(responder_id.to_proto());
3475 }
3476 for connection_id in pool.user_connection_ids(requester_id) {
3477 session.peer.send(connection_id, update.clone())?;
3478 }
3479
3480 // Update incoming contact requests of responder
3481 let mut update = proto::UpdateContacts::default();
3482 if contact_accepted {
3483 update.remove_contacts.push(requester_id.to_proto());
3484 } else {
3485 update
3486 .remove_incoming_requests
3487 .push(requester_id.to_proto());
3488 }
3489 for connection_id in pool.user_connection_ids(responder_id) {
3490 session.peer.send(connection_id, update.clone())?;
3491 if let Some(notification_id) = deleted_notification_id {
3492 session.peer.send(
3493 connection_id,
3494 proto::DeleteNotification {
3495 notification_id: notification_id.to_proto(),
3496 },
3497 )?;
3498 }
3499 }
3500
3501 response.send(proto::Ack {})?;
3502 Ok(())
3503}
3504
3505fn should_auto_subscribe_to_channels(version: ZedVersion) -> bool {
3506 version.0.minor() < 139
3507}
3508
3509async fn update_user_plan(_user_id: UserId, session: &Session) -> Result<()> {
3510 let plan = session.current_plan(session.db().await).await?;
3511
3512 session
3513 .peer
3514 .send(
3515 session.connection_id,
3516 proto::UpdateUserPlan { plan: plan.into() },
3517 )
3518 .trace_err();
3519
3520 Ok(())
3521}
3522
3523async fn subscribe_to_channels(_: proto::SubscribeToChannels, session: Session) -> Result<()> {
3524 subscribe_user_to_channels(
3525 session.user_id().ok_or_else(|| anyhow!("must be a user"))?,
3526 &session,
3527 )
3528 .await?;
3529 Ok(())
3530}
3531
3532async fn subscribe_user_to_channels(user_id: UserId, session: &Session) -> Result<(), Error> {
3533 let channels_for_user = session.db().await.get_channels_for_user(user_id).await?;
3534 let mut pool = session.connection_pool().await;
3535 for membership in &channels_for_user.channel_memberships {
3536 pool.subscribe_to_channel(user_id, membership.channel_id, membership.role)
3537 }
3538 session.peer.send(
3539 session.connection_id,
3540 build_update_user_channels(&channels_for_user),
3541 )?;
3542 session.peer.send(
3543 session.connection_id,
3544 build_channels_update(channels_for_user),
3545 )?;
3546 Ok(())
3547}
3548
3549/// Creates a new channel.
3550async fn create_channel(
3551 request: proto::CreateChannel,
3552 response: Response<proto::CreateChannel>,
3553 session: UserSession,
3554) -> Result<()> {
3555 let db = session.db().await;
3556
3557 let parent_id = request.parent_id.map(ChannelId::from_proto);
3558 let (channel, membership) = db
3559 .create_channel(&request.name, parent_id, session.user_id())
3560 .await?;
3561
3562 let root_id = channel.root_id();
3563 let channel = Channel::from_model(channel);
3564
3565 response.send(proto::CreateChannelResponse {
3566 channel: Some(channel.to_proto()),
3567 parent_id: request.parent_id,
3568 })?;
3569
3570 let mut connection_pool = session.connection_pool().await;
3571 if let Some(membership) = membership {
3572 connection_pool.subscribe_to_channel(
3573 membership.user_id,
3574 membership.channel_id,
3575 membership.role,
3576 );
3577 let update = proto::UpdateUserChannels {
3578 channel_memberships: vec![proto::ChannelMembership {
3579 channel_id: membership.channel_id.to_proto(),
3580 role: membership.role.into(),
3581 }],
3582 ..Default::default()
3583 };
3584 for connection_id in connection_pool.user_connection_ids(membership.user_id) {
3585 session.peer.send(connection_id, update.clone())?;
3586 }
3587 }
3588
3589 for (connection_id, role) in connection_pool.channel_connection_ids(root_id) {
3590 if !role.can_see_channel(channel.visibility) {
3591 continue;
3592 }
3593
3594 let update = proto::UpdateChannels {
3595 channels: vec![channel.to_proto()],
3596 ..Default::default()
3597 };
3598 session.peer.send(connection_id, update.clone())?;
3599 }
3600
3601 Ok(())
3602}
3603
3604/// Delete a channel
3605async fn delete_channel(
3606 request: proto::DeleteChannel,
3607 response: Response<proto::DeleteChannel>,
3608 session: UserSession,
3609) -> Result<()> {
3610 let db = session.db().await;
3611
3612 let channel_id = request.channel_id;
3613 let (root_channel, removed_channels) = db
3614 .delete_channel(ChannelId::from_proto(channel_id), session.user_id())
3615 .await?;
3616 response.send(proto::Ack {})?;
3617
3618 // Notify members of removed channels
3619 let mut update = proto::UpdateChannels::default();
3620 update
3621 .delete_channels
3622 .extend(removed_channels.into_iter().map(|id| id.to_proto()));
3623
3624 let connection_pool = session.connection_pool().await;
3625 for (connection_id, _) in connection_pool.channel_connection_ids(root_channel) {
3626 session.peer.send(connection_id, update.clone())?;
3627 }
3628
3629 Ok(())
3630}
3631
3632/// Invite someone to join a channel.
3633async fn invite_channel_member(
3634 request: proto::InviteChannelMember,
3635 response: Response<proto::InviteChannelMember>,
3636 session: UserSession,
3637) -> Result<()> {
3638 let db = session.db().await;
3639 let channel_id = ChannelId::from_proto(request.channel_id);
3640 let invitee_id = UserId::from_proto(request.user_id);
3641 let InviteMemberResult {
3642 channel,
3643 notifications,
3644 } = db
3645 .invite_channel_member(
3646 channel_id,
3647 invitee_id,
3648 session.user_id(),
3649 request.role().into(),
3650 )
3651 .await?;
3652
3653 let update = proto::UpdateChannels {
3654 channel_invitations: vec![channel.to_proto()],
3655 ..Default::default()
3656 };
3657
3658 let connection_pool = session.connection_pool().await;
3659 for connection_id in connection_pool.user_connection_ids(invitee_id) {
3660 session.peer.send(connection_id, update.clone())?;
3661 }
3662
3663 send_notifications(&connection_pool, &session.peer, notifications);
3664
3665 response.send(proto::Ack {})?;
3666 Ok(())
3667}
3668
3669/// remove someone from a channel
3670async fn remove_channel_member(
3671 request: proto::RemoveChannelMember,
3672 response: Response<proto::RemoveChannelMember>,
3673 session: UserSession,
3674) -> Result<()> {
3675 let db = session.db().await;
3676 let channel_id = ChannelId::from_proto(request.channel_id);
3677 let member_id = UserId::from_proto(request.user_id);
3678
3679 let RemoveChannelMemberResult {
3680 membership_update,
3681 notification_id,
3682 } = db
3683 .remove_channel_member(channel_id, member_id, session.user_id())
3684 .await?;
3685
3686 let mut connection_pool = session.connection_pool().await;
3687 notify_membership_updated(
3688 &mut connection_pool,
3689 membership_update,
3690 member_id,
3691 &session.peer,
3692 );
3693 for connection_id in connection_pool.user_connection_ids(member_id) {
3694 if let Some(notification_id) = notification_id {
3695 session
3696 .peer
3697 .send(
3698 connection_id,
3699 proto::DeleteNotification {
3700 notification_id: notification_id.to_proto(),
3701 },
3702 )
3703 .trace_err();
3704 }
3705 }
3706
3707 response.send(proto::Ack {})?;
3708 Ok(())
3709}
3710
3711/// Toggle the channel between public and private.
3712/// Care is taken to maintain the invariant that public channels only descend from public channels,
3713/// (though members-only channels can appear at any point in the hierarchy).
3714async fn set_channel_visibility(
3715 request: proto::SetChannelVisibility,
3716 response: Response<proto::SetChannelVisibility>,
3717 session: UserSession,
3718) -> Result<()> {
3719 let db = session.db().await;
3720 let channel_id = ChannelId::from_proto(request.channel_id);
3721 let visibility = request.visibility().into();
3722
3723 let channel_model = db
3724 .set_channel_visibility(channel_id, visibility, session.user_id())
3725 .await?;
3726 let root_id = channel_model.root_id();
3727 let channel = Channel::from_model(channel_model);
3728
3729 let mut connection_pool = session.connection_pool().await;
3730 for (user_id, role) in connection_pool
3731 .channel_user_ids(root_id)
3732 .collect::<Vec<_>>()
3733 .into_iter()
3734 {
3735 let update = if role.can_see_channel(channel.visibility) {
3736 connection_pool.subscribe_to_channel(user_id, channel_id, role);
3737 proto::UpdateChannels {
3738 channels: vec![channel.to_proto()],
3739 ..Default::default()
3740 }
3741 } else {
3742 connection_pool.unsubscribe_from_channel(&user_id, &channel_id);
3743 proto::UpdateChannels {
3744 delete_channels: vec![channel.id.to_proto()],
3745 ..Default::default()
3746 }
3747 };
3748
3749 for connection_id in connection_pool.user_connection_ids(user_id) {
3750 session.peer.send(connection_id, update.clone())?;
3751 }
3752 }
3753
3754 response.send(proto::Ack {})?;
3755 Ok(())
3756}
3757
3758/// Alter the role for a user in the channel.
3759async fn set_channel_member_role(
3760 request: proto::SetChannelMemberRole,
3761 response: Response<proto::SetChannelMemberRole>,
3762 session: UserSession,
3763) -> Result<()> {
3764 let db = session.db().await;
3765 let channel_id = ChannelId::from_proto(request.channel_id);
3766 let member_id = UserId::from_proto(request.user_id);
3767 let result = db
3768 .set_channel_member_role(
3769 channel_id,
3770 session.user_id(),
3771 member_id,
3772 request.role().into(),
3773 )
3774 .await?;
3775
3776 match result {
3777 db::SetMemberRoleResult::MembershipUpdated(membership_update) => {
3778 let mut connection_pool = session.connection_pool().await;
3779 notify_membership_updated(
3780 &mut connection_pool,
3781 membership_update,
3782 member_id,
3783 &session.peer,
3784 )
3785 }
3786 db::SetMemberRoleResult::InviteUpdated(channel) => {
3787 let update = proto::UpdateChannels {
3788 channel_invitations: vec![channel.to_proto()],
3789 ..Default::default()
3790 };
3791
3792 for connection_id in session
3793 .connection_pool()
3794 .await
3795 .user_connection_ids(member_id)
3796 {
3797 session.peer.send(connection_id, update.clone())?;
3798 }
3799 }
3800 }
3801
3802 response.send(proto::Ack {})?;
3803 Ok(())
3804}
3805
3806/// Change the name of a channel
3807async fn rename_channel(
3808 request: proto::RenameChannel,
3809 response: Response<proto::RenameChannel>,
3810 session: UserSession,
3811) -> Result<()> {
3812 let db = session.db().await;
3813 let channel_id = ChannelId::from_proto(request.channel_id);
3814 let channel_model = db
3815 .rename_channel(channel_id, session.user_id(), &request.name)
3816 .await?;
3817 let root_id = channel_model.root_id();
3818 let channel = Channel::from_model(channel_model);
3819
3820 response.send(proto::RenameChannelResponse {
3821 channel: Some(channel.to_proto()),
3822 })?;
3823
3824 let connection_pool = session.connection_pool().await;
3825 let update = proto::UpdateChannels {
3826 channels: vec![channel.to_proto()],
3827 ..Default::default()
3828 };
3829 for (connection_id, role) in connection_pool.channel_connection_ids(root_id) {
3830 if role.can_see_channel(channel.visibility) {
3831 session.peer.send(connection_id, update.clone())?;
3832 }
3833 }
3834
3835 Ok(())
3836}
3837
3838/// Move a channel to a new parent.
3839async fn move_channel(
3840 request: proto::MoveChannel,
3841 response: Response<proto::MoveChannel>,
3842 session: UserSession,
3843) -> Result<()> {
3844 let channel_id = ChannelId::from_proto(request.channel_id);
3845 let to = ChannelId::from_proto(request.to);
3846
3847 let (root_id, channels) = session
3848 .db()
3849 .await
3850 .move_channel(channel_id, to, session.user_id())
3851 .await?;
3852
3853 let connection_pool = session.connection_pool().await;
3854 for (connection_id, role) in connection_pool.channel_connection_ids(root_id) {
3855 let channels = channels
3856 .iter()
3857 .filter_map(|channel| {
3858 if role.can_see_channel(channel.visibility) {
3859 Some(channel.to_proto())
3860 } else {
3861 None
3862 }
3863 })
3864 .collect::<Vec<_>>();
3865 if channels.is_empty() {
3866 continue;
3867 }
3868
3869 let update = proto::UpdateChannels {
3870 channels,
3871 ..Default::default()
3872 };
3873
3874 session.peer.send(connection_id, update.clone())?;
3875 }
3876
3877 response.send(Ack {})?;
3878 Ok(())
3879}
3880
3881/// Get the list of channel members
3882async fn get_channel_members(
3883 request: proto::GetChannelMembers,
3884 response: Response<proto::GetChannelMembers>,
3885 session: UserSession,
3886) -> Result<()> {
3887 let db = session.db().await;
3888 let channel_id = ChannelId::from_proto(request.channel_id);
3889 let limit = if request.limit == 0 {
3890 u16::MAX as u64
3891 } else {
3892 request.limit
3893 };
3894 let (members, users) = db
3895 .get_channel_participant_details(channel_id, &request.query, limit, session.user_id())
3896 .await?;
3897 response.send(proto::GetChannelMembersResponse { members, users })?;
3898 Ok(())
3899}
3900
3901/// Accept or decline a channel invitation.
3902async fn respond_to_channel_invite(
3903 request: proto::RespondToChannelInvite,
3904 response: Response<proto::RespondToChannelInvite>,
3905 session: UserSession,
3906) -> Result<()> {
3907 let db = session.db().await;
3908 let channel_id = ChannelId::from_proto(request.channel_id);
3909 let RespondToChannelInvite {
3910 membership_update,
3911 notifications,
3912 } = db
3913 .respond_to_channel_invite(channel_id, session.user_id(), request.accept)
3914 .await?;
3915
3916 let mut connection_pool = session.connection_pool().await;
3917 if let Some(membership_update) = membership_update {
3918 notify_membership_updated(
3919 &mut connection_pool,
3920 membership_update,
3921 session.user_id(),
3922 &session.peer,
3923 );
3924 } else {
3925 let update = proto::UpdateChannels {
3926 remove_channel_invitations: vec![channel_id.to_proto()],
3927 ..Default::default()
3928 };
3929
3930 for connection_id in connection_pool.user_connection_ids(session.user_id()) {
3931 session.peer.send(connection_id, update.clone())?;
3932 }
3933 };
3934
3935 send_notifications(&connection_pool, &session.peer, notifications);
3936
3937 response.send(proto::Ack {})?;
3938
3939 Ok(())
3940}
3941
3942/// Join the channels' room
3943async fn join_channel(
3944 request: proto::JoinChannel,
3945 response: Response<proto::JoinChannel>,
3946 session: UserSession,
3947) -> Result<()> {
3948 let channel_id = ChannelId::from_proto(request.channel_id);
3949 join_channel_internal(channel_id, Box::new(response), session).await
3950}
3951
3952trait JoinChannelInternalResponse {
3953 fn send(self, result: proto::JoinRoomResponse) -> Result<()>;
3954}
3955impl JoinChannelInternalResponse for Response<proto::JoinChannel> {
3956 fn send(self, result: proto::JoinRoomResponse) -> Result<()> {
3957 Response::<proto::JoinChannel>::send(self, result)
3958 }
3959}
3960impl JoinChannelInternalResponse for Response<proto::JoinRoom> {
3961 fn send(self, result: proto::JoinRoomResponse) -> Result<()> {
3962 Response::<proto::JoinRoom>::send(self, result)
3963 }
3964}
3965
3966async fn join_channel_internal(
3967 channel_id: ChannelId,
3968 response: Box<impl JoinChannelInternalResponse>,
3969 session: UserSession,
3970) -> Result<()> {
3971 let joined_room = {
3972 let mut db = session.db().await;
3973 // If zed quits without leaving the room, and the user re-opens zed before the
3974 // RECONNECT_TIMEOUT, we need to make sure that we kick the user out of the previous
3975 // room they were in.
3976 if let Some(connection) = db.stale_room_connection(session.user_id()).await? {
3977 tracing::info!(
3978 stale_connection_id = %connection,
3979 "cleaning up stale connection",
3980 );
3981 drop(db);
3982 leave_room_for_session(&session, connection).await?;
3983 db = session.db().await;
3984 }
3985
3986 let (joined_room, membership_updated, role) = db
3987 .join_channel(channel_id, session.user_id(), session.connection_id)
3988 .await?;
3989
3990 let live_kit_connection_info =
3991 session
3992 .app_state
3993 .live_kit_client
3994 .as_ref()
3995 .and_then(|live_kit| {
3996 let (can_publish, token) = if role == ChannelRole::Guest {
3997 (
3998 false,
3999 live_kit
4000 .guest_token(
4001 &joined_room.room.live_kit_room,
4002 &session.user_id().to_string(),
4003 )
4004 .trace_err()?,
4005 )
4006 } else {
4007 (
4008 true,
4009 live_kit
4010 .room_token(
4011 &joined_room.room.live_kit_room,
4012 &session.user_id().to_string(),
4013 )
4014 .trace_err()?,
4015 )
4016 };
4017
4018 Some(LiveKitConnectionInfo {
4019 server_url: live_kit.url().into(),
4020 token,
4021 can_publish,
4022 })
4023 });
4024
4025 response.send(proto::JoinRoomResponse {
4026 room: Some(joined_room.room.clone()),
4027 channel_id: joined_room
4028 .channel
4029 .as_ref()
4030 .map(|channel| channel.id.to_proto()),
4031 live_kit_connection_info,
4032 })?;
4033
4034 let mut connection_pool = session.connection_pool().await;
4035 if let Some(membership_updated) = membership_updated {
4036 notify_membership_updated(
4037 &mut connection_pool,
4038 membership_updated,
4039 session.user_id(),
4040 &session.peer,
4041 );
4042 }
4043
4044 room_updated(&joined_room.room, &session.peer);
4045
4046 joined_room
4047 };
4048
4049 channel_updated(
4050 &joined_room
4051 .channel
4052 .ok_or_else(|| anyhow!("channel not returned"))?,
4053 &joined_room.room,
4054 &session.peer,
4055 &*session.connection_pool().await,
4056 );
4057
4058 update_user_contacts(session.user_id(), &session).await?;
4059 Ok(())
4060}
4061
4062/// Start editing the channel notes
4063async fn join_channel_buffer(
4064 request: proto::JoinChannelBuffer,
4065 response: Response<proto::JoinChannelBuffer>,
4066 session: UserSession,
4067) -> Result<()> {
4068 let db = session.db().await;
4069 let channel_id = ChannelId::from_proto(request.channel_id);
4070
4071 let open_response = db
4072 .join_channel_buffer(channel_id, session.user_id(), session.connection_id)
4073 .await?;
4074
4075 let collaborators = open_response.collaborators.clone();
4076 response.send(open_response)?;
4077
4078 let update = UpdateChannelBufferCollaborators {
4079 channel_id: channel_id.to_proto(),
4080 collaborators: collaborators.clone(),
4081 };
4082 channel_buffer_updated(
4083 session.connection_id,
4084 collaborators
4085 .iter()
4086 .filter_map(|collaborator| Some(collaborator.peer_id?.into())),
4087 &update,
4088 &session.peer,
4089 );
4090
4091 Ok(())
4092}
4093
4094/// Edit the channel notes
4095async fn update_channel_buffer(
4096 request: proto::UpdateChannelBuffer,
4097 session: UserSession,
4098) -> Result<()> {
4099 let db = session.db().await;
4100 let channel_id = ChannelId::from_proto(request.channel_id);
4101
4102 let (collaborators, epoch, version) = db
4103 .update_channel_buffer(channel_id, session.user_id(), &request.operations)
4104 .await?;
4105
4106 channel_buffer_updated(
4107 session.connection_id,
4108 collaborators.clone(),
4109 &proto::UpdateChannelBuffer {
4110 channel_id: channel_id.to_proto(),
4111 operations: request.operations,
4112 },
4113 &session.peer,
4114 );
4115
4116 let pool = &*session.connection_pool().await;
4117
4118 let non_collaborators =
4119 pool.channel_connection_ids(channel_id)
4120 .filter_map(|(connection_id, _)| {
4121 if collaborators.contains(&connection_id) {
4122 None
4123 } else {
4124 Some(connection_id)
4125 }
4126 });
4127
4128 broadcast(None, non_collaborators, |peer_id| {
4129 session.peer.send(
4130 peer_id,
4131 proto::UpdateChannels {
4132 latest_channel_buffer_versions: vec![proto::ChannelBufferVersion {
4133 channel_id: channel_id.to_proto(),
4134 epoch: epoch as u64,
4135 version: version.clone(),
4136 }],
4137 ..Default::default()
4138 },
4139 )
4140 });
4141
4142 Ok(())
4143}
4144
4145/// Rejoin the channel notes after a connection blip
4146async fn rejoin_channel_buffers(
4147 request: proto::RejoinChannelBuffers,
4148 response: Response<proto::RejoinChannelBuffers>,
4149 session: UserSession,
4150) -> Result<()> {
4151 let db = session.db().await;
4152 let buffers = db
4153 .rejoin_channel_buffers(&request.buffers, session.user_id(), session.connection_id)
4154 .await?;
4155
4156 for rejoined_buffer in &buffers {
4157 let collaborators_to_notify = rejoined_buffer
4158 .buffer
4159 .collaborators
4160 .iter()
4161 .filter_map(|c| Some(c.peer_id?.into()));
4162 channel_buffer_updated(
4163 session.connection_id,
4164 collaborators_to_notify,
4165 &proto::UpdateChannelBufferCollaborators {
4166 channel_id: rejoined_buffer.buffer.channel_id,
4167 collaborators: rejoined_buffer.buffer.collaborators.clone(),
4168 },
4169 &session.peer,
4170 );
4171 }
4172
4173 response.send(proto::RejoinChannelBuffersResponse {
4174 buffers: buffers.into_iter().map(|b| b.buffer).collect(),
4175 })?;
4176
4177 Ok(())
4178}
4179
4180/// Stop editing the channel notes
4181async fn leave_channel_buffer(
4182 request: proto::LeaveChannelBuffer,
4183 response: Response<proto::LeaveChannelBuffer>,
4184 session: UserSession,
4185) -> Result<()> {
4186 let db = session.db().await;
4187 let channel_id = ChannelId::from_proto(request.channel_id);
4188
4189 let left_buffer = db
4190 .leave_channel_buffer(channel_id, session.connection_id)
4191 .await?;
4192
4193 response.send(Ack {})?;
4194
4195 channel_buffer_updated(
4196 session.connection_id,
4197 left_buffer.connections,
4198 &proto::UpdateChannelBufferCollaborators {
4199 channel_id: channel_id.to_proto(),
4200 collaborators: left_buffer.collaborators,
4201 },
4202 &session.peer,
4203 );
4204
4205 Ok(())
4206}
4207
4208fn channel_buffer_updated<T: EnvelopedMessage>(
4209 sender_id: ConnectionId,
4210 collaborators: impl IntoIterator<Item = ConnectionId>,
4211 message: &T,
4212 peer: &Peer,
4213) {
4214 broadcast(Some(sender_id), collaborators, |peer_id| {
4215 peer.send(peer_id, message.clone())
4216 });
4217}
4218
4219fn send_notifications(
4220 connection_pool: &ConnectionPool,
4221 peer: &Peer,
4222 notifications: db::NotificationBatch,
4223) {
4224 for (user_id, notification) in notifications {
4225 for connection_id in connection_pool.user_connection_ids(user_id) {
4226 if let Err(error) = peer.send(
4227 connection_id,
4228 proto::AddNotification {
4229 notification: Some(notification.clone()),
4230 },
4231 ) {
4232 tracing::error!(
4233 "failed to send notification to {:?} {}",
4234 connection_id,
4235 error
4236 );
4237 }
4238 }
4239 }
4240}
4241
4242/// Send a message to the channel
4243async fn send_channel_message(
4244 request: proto::SendChannelMessage,
4245 response: Response<proto::SendChannelMessage>,
4246 session: UserSession,
4247) -> Result<()> {
4248 // Validate the message body.
4249 let body = request.body.trim().to_string();
4250 if body.len() > MAX_MESSAGE_LEN {
4251 return Err(anyhow!("message is too long"))?;
4252 }
4253 if body.is_empty() {
4254 return Err(anyhow!("message can't be blank"))?;
4255 }
4256
4257 // TODO: adjust mentions if body is trimmed
4258
4259 let timestamp = OffsetDateTime::now_utc();
4260 let nonce = request
4261 .nonce
4262 .ok_or_else(|| anyhow!("nonce can't be blank"))?;
4263
4264 let channel_id = ChannelId::from_proto(request.channel_id);
4265 let CreatedChannelMessage {
4266 message_id,
4267 participant_connection_ids,
4268 notifications,
4269 } = session
4270 .db()
4271 .await
4272 .create_channel_message(
4273 channel_id,
4274 session.user_id(),
4275 &body,
4276 &request.mentions,
4277 timestamp,
4278 nonce.clone().into(),
4279 request.reply_to_message_id.map(MessageId::from_proto),
4280 )
4281 .await?;
4282
4283 let message = proto::ChannelMessage {
4284 sender_id: session.user_id().to_proto(),
4285 id: message_id.to_proto(),
4286 body,
4287 mentions: request.mentions,
4288 timestamp: timestamp.unix_timestamp() as u64,
4289 nonce: Some(nonce),
4290 reply_to_message_id: request.reply_to_message_id,
4291 edited_at: None,
4292 };
4293 broadcast(
4294 Some(session.connection_id),
4295 participant_connection_ids.clone(),
4296 |connection| {
4297 session.peer.send(
4298 connection,
4299 proto::ChannelMessageSent {
4300 channel_id: channel_id.to_proto(),
4301 message: Some(message.clone()),
4302 },
4303 )
4304 },
4305 );
4306 response.send(proto::SendChannelMessageResponse {
4307 message: Some(message),
4308 })?;
4309
4310 let pool = &*session.connection_pool().await;
4311 let non_participants =
4312 pool.channel_connection_ids(channel_id)
4313 .filter_map(|(connection_id, _)| {
4314 if participant_connection_ids.contains(&connection_id) {
4315 None
4316 } else {
4317 Some(connection_id)
4318 }
4319 });
4320 broadcast(None, non_participants, |peer_id| {
4321 session.peer.send(
4322 peer_id,
4323 proto::UpdateChannels {
4324 latest_channel_message_ids: vec![proto::ChannelMessageId {
4325 channel_id: channel_id.to_proto(),
4326 message_id: message_id.to_proto(),
4327 }],
4328 ..Default::default()
4329 },
4330 )
4331 });
4332 send_notifications(pool, &session.peer, notifications);
4333
4334 Ok(())
4335}
4336
4337/// Delete a channel message
4338async fn remove_channel_message(
4339 request: proto::RemoveChannelMessage,
4340 response: Response<proto::RemoveChannelMessage>,
4341 session: UserSession,
4342) -> Result<()> {
4343 let channel_id = ChannelId::from_proto(request.channel_id);
4344 let message_id = MessageId::from_proto(request.message_id);
4345 let (connection_ids, existing_notification_ids) = session
4346 .db()
4347 .await
4348 .remove_channel_message(channel_id, message_id, session.user_id())
4349 .await?;
4350
4351 broadcast(
4352 Some(session.connection_id),
4353 connection_ids,
4354 move |connection| {
4355 session.peer.send(connection, request.clone())?;
4356
4357 for notification_id in &existing_notification_ids {
4358 session.peer.send(
4359 connection,
4360 proto::DeleteNotification {
4361 notification_id: (*notification_id).to_proto(),
4362 },
4363 )?;
4364 }
4365
4366 Ok(())
4367 },
4368 );
4369 response.send(proto::Ack {})?;
4370 Ok(())
4371}
4372
4373async fn update_channel_message(
4374 request: proto::UpdateChannelMessage,
4375 response: Response<proto::UpdateChannelMessage>,
4376 session: UserSession,
4377) -> Result<()> {
4378 let channel_id = ChannelId::from_proto(request.channel_id);
4379 let message_id = MessageId::from_proto(request.message_id);
4380 let updated_at = OffsetDateTime::now_utc();
4381 let UpdatedChannelMessage {
4382 message_id,
4383 participant_connection_ids,
4384 notifications,
4385 reply_to_message_id,
4386 timestamp,
4387 deleted_mention_notification_ids,
4388 updated_mention_notifications,
4389 } = session
4390 .db()
4391 .await
4392 .update_channel_message(
4393 channel_id,
4394 message_id,
4395 session.user_id(),
4396 request.body.as_str(),
4397 &request.mentions,
4398 updated_at,
4399 )
4400 .await?;
4401
4402 let nonce = request
4403 .nonce
4404 .clone()
4405 .ok_or_else(|| anyhow!("nonce can't be blank"))?;
4406
4407 let message = proto::ChannelMessage {
4408 sender_id: session.user_id().to_proto(),
4409 id: message_id.to_proto(),
4410 body: request.body.clone(),
4411 mentions: request.mentions.clone(),
4412 timestamp: timestamp.assume_utc().unix_timestamp() as u64,
4413 nonce: Some(nonce),
4414 reply_to_message_id: reply_to_message_id.map(|id| id.to_proto()),
4415 edited_at: Some(updated_at.unix_timestamp() as u64),
4416 };
4417
4418 response.send(proto::Ack {})?;
4419
4420 let pool = &*session.connection_pool().await;
4421 broadcast(
4422 Some(session.connection_id),
4423 participant_connection_ids,
4424 |connection| {
4425 session.peer.send(
4426 connection,
4427 proto::ChannelMessageUpdate {
4428 channel_id: channel_id.to_proto(),
4429 message: Some(message.clone()),
4430 },
4431 )?;
4432
4433 for notification_id in &deleted_mention_notification_ids {
4434 session.peer.send(
4435 connection,
4436 proto::DeleteNotification {
4437 notification_id: (*notification_id).to_proto(),
4438 },
4439 )?;
4440 }
4441
4442 for notification in &updated_mention_notifications {
4443 session.peer.send(
4444 connection,
4445 proto::UpdateNotification {
4446 notification: Some(notification.clone()),
4447 },
4448 )?;
4449 }
4450
4451 Ok(())
4452 },
4453 );
4454
4455 send_notifications(pool, &session.peer, notifications);
4456
4457 Ok(())
4458}
4459
4460/// Mark a channel message as read
4461async fn acknowledge_channel_message(
4462 request: proto::AckChannelMessage,
4463 session: UserSession,
4464) -> Result<()> {
4465 let channel_id = ChannelId::from_proto(request.channel_id);
4466 let message_id = MessageId::from_proto(request.message_id);
4467 let notifications = session
4468 .db()
4469 .await
4470 .observe_channel_message(channel_id, session.user_id(), message_id)
4471 .await?;
4472 send_notifications(
4473 &*session.connection_pool().await,
4474 &session.peer,
4475 notifications,
4476 );
4477 Ok(())
4478}
4479
4480/// Mark a buffer version as synced
4481async fn acknowledge_buffer_version(
4482 request: proto::AckBufferOperation,
4483 session: UserSession,
4484) -> Result<()> {
4485 let buffer_id = BufferId::from_proto(request.buffer_id);
4486 session
4487 .db()
4488 .await
4489 .observe_buffer_version(
4490 buffer_id,
4491 session.user_id(),
4492 request.epoch as i32,
4493 &request.version,
4494 )
4495 .await?;
4496 Ok(())
4497}
4498
4499async fn count_language_model_tokens(
4500 request: proto::CountLanguageModelTokens,
4501 response: Response<proto::CountLanguageModelTokens>,
4502 session: Session,
4503 config: &Config,
4504) -> Result<()> {
4505 let Some(session) = session.for_user() else {
4506 return Err(anyhow!("user not found"))?;
4507 };
4508 authorize_access_to_legacy_llm_endpoints(&session).await?;
4509
4510 let rate_limit: Box<dyn RateLimit> = match session.current_plan(session.db().await).await? {
4511 proto::Plan::ZedPro => Box::new(ZedProCountLanguageModelTokensRateLimit),
4512 proto::Plan::Free => Box::new(FreeCountLanguageModelTokensRateLimit),
4513 };
4514
4515 session
4516 .app_state
4517 .rate_limiter
4518 .check(&*rate_limit, session.user_id())
4519 .await?;
4520
4521 let result = match proto::LanguageModelProvider::from_i32(request.provider) {
4522 Some(proto::LanguageModelProvider::Google) => {
4523 let api_key = config
4524 .google_ai_api_key
4525 .as_ref()
4526 .context("no Google AI API key configured on the server")?;
4527 google_ai::count_tokens(
4528 session.http_client.as_ref(),
4529 google_ai::API_URL,
4530 api_key,
4531 serde_json::from_str(&request.request)?,
4532 None,
4533 )
4534 .await?
4535 }
4536 _ => return Err(anyhow!("unsupported provider"))?,
4537 };
4538
4539 response.send(proto::CountLanguageModelTokensResponse {
4540 token_count: result.total_tokens as u32,
4541 })?;
4542
4543 Ok(())
4544}
4545
4546struct ZedProCountLanguageModelTokensRateLimit;
4547
4548impl RateLimit for ZedProCountLanguageModelTokensRateLimit {
4549 fn capacity(&self) -> usize {
4550 std::env::var("COUNT_LANGUAGE_MODEL_TOKENS_RATE_LIMIT_PER_HOUR")
4551 .ok()
4552 .and_then(|v| v.parse().ok())
4553 .unwrap_or(600) // Picked arbitrarily
4554 }
4555
4556 fn refill_duration(&self) -> chrono::Duration {
4557 chrono::Duration::hours(1)
4558 }
4559
4560 fn db_name(&self) -> &'static str {
4561 "zed-pro:count-language-model-tokens"
4562 }
4563}
4564
4565struct FreeCountLanguageModelTokensRateLimit;
4566
4567impl RateLimit for FreeCountLanguageModelTokensRateLimit {
4568 fn capacity(&self) -> usize {
4569 std::env::var("COUNT_LANGUAGE_MODEL_TOKENS_RATE_LIMIT_PER_HOUR_FREE")
4570 .ok()
4571 .and_then(|v| v.parse().ok())
4572 .unwrap_or(600 / 10) // Picked arbitrarily
4573 }
4574
4575 fn refill_duration(&self) -> chrono::Duration {
4576 chrono::Duration::hours(1)
4577 }
4578
4579 fn db_name(&self) -> &'static str {
4580 "free:count-language-model-tokens"
4581 }
4582}
4583
4584struct ZedProComputeEmbeddingsRateLimit;
4585
4586impl RateLimit for ZedProComputeEmbeddingsRateLimit {
4587 fn capacity(&self) -> usize {
4588 std::env::var("EMBED_TEXTS_RATE_LIMIT_PER_HOUR")
4589 .ok()
4590 .and_then(|v| v.parse().ok())
4591 .unwrap_or(5000) // Picked arbitrarily
4592 }
4593
4594 fn refill_duration(&self) -> chrono::Duration {
4595 chrono::Duration::hours(1)
4596 }
4597
4598 fn db_name(&self) -> &'static str {
4599 "zed-pro:compute-embeddings"
4600 }
4601}
4602
4603struct FreeComputeEmbeddingsRateLimit;
4604
4605impl RateLimit for FreeComputeEmbeddingsRateLimit {
4606 fn capacity(&self) -> usize {
4607 std::env::var("EMBED_TEXTS_RATE_LIMIT_PER_HOUR_FREE")
4608 .ok()
4609 .and_then(|v| v.parse().ok())
4610 .unwrap_or(5000 / 10) // Picked arbitrarily
4611 }
4612
4613 fn refill_duration(&self) -> chrono::Duration {
4614 chrono::Duration::hours(1)
4615 }
4616
4617 fn db_name(&self) -> &'static str {
4618 "free:compute-embeddings"
4619 }
4620}
4621
4622async fn compute_embeddings(
4623 request: proto::ComputeEmbeddings,
4624 response: Response<proto::ComputeEmbeddings>,
4625 session: UserSession,
4626 api_key: Option<Arc<str>>,
4627) -> Result<()> {
4628 let api_key = api_key.context("no OpenAI API key configured on the server")?;
4629 authorize_access_to_legacy_llm_endpoints(&session).await?;
4630
4631 let rate_limit: Box<dyn RateLimit> = match session.current_plan(session.db().await).await? {
4632 proto::Plan::ZedPro => Box::new(ZedProComputeEmbeddingsRateLimit),
4633 proto::Plan::Free => Box::new(FreeComputeEmbeddingsRateLimit),
4634 };
4635
4636 session
4637 .app_state
4638 .rate_limiter
4639 .check(&*rate_limit, session.user_id())
4640 .await?;
4641
4642 let embeddings = match request.model.as_str() {
4643 "openai/text-embedding-3-small" => {
4644 open_ai::embed(
4645 session.http_client.as_ref(),
4646 OPEN_AI_API_URL,
4647 &api_key,
4648 OpenAiEmbeddingModel::TextEmbedding3Small,
4649 request.texts.iter().map(|text| text.as_str()),
4650 )
4651 .await?
4652 }
4653 provider => return Err(anyhow!("unsupported embedding provider {:?}", provider))?,
4654 };
4655
4656 let embeddings = request
4657 .texts
4658 .iter()
4659 .map(|text| {
4660 let mut hasher = sha2::Sha256::new();
4661 hasher.update(text.as_bytes());
4662 let result = hasher.finalize();
4663 result.to_vec()
4664 })
4665 .zip(
4666 embeddings
4667 .data
4668 .into_iter()
4669 .map(|embedding| embedding.embedding),
4670 )
4671 .collect::<HashMap<_, _>>();
4672
4673 let db = session.db().await;
4674 db.save_embeddings(&request.model, &embeddings)
4675 .await
4676 .context("failed to save embeddings")
4677 .trace_err();
4678
4679 response.send(proto::ComputeEmbeddingsResponse {
4680 embeddings: embeddings
4681 .into_iter()
4682 .map(|(digest, dimensions)| proto::Embedding { digest, dimensions })
4683 .collect(),
4684 })?;
4685 Ok(())
4686}
4687
4688async fn get_cached_embeddings(
4689 request: proto::GetCachedEmbeddings,
4690 response: Response<proto::GetCachedEmbeddings>,
4691 session: UserSession,
4692) -> Result<()> {
4693 authorize_access_to_legacy_llm_endpoints(&session).await?;
4694
4695 let db = session.db().await;
4696 let embeddings = db.get_embeddings(&request.model, &request.digests).await?;
4697
4698 response.send(proto::GetCachedEmbeddingsResponse {
4699 embeddings: embeddings
4700 .into_iter()
4701 .map(|(digest, dimensions)| proto::Embedding { digest, dimensions })
4702 .collect(),
4703 })?;
4704 Ok(())
4705}
4706
4707/// This is leftover from before the LLM service.
4708///
4709/// The endpoints protected by this check will be moved there eventually.
4710async fn authorize_access_to_legacy_llm_endpoints(session: &UserSession) -> Result<(), Error> {
4711 if session.is_staff() {
4712 Ok(())
4713 } else {
4714 Err(anyhow!("permission denied"))?
4715 }
4716}
4717
4718/// Get a Supermaven API key for the user
4719async fn get_supermaven_api_key(
4720 _request: proto::GetSupermavenApiKey,
4721 response: Response<proto::GetSupermavenApiKey>,
4722 session: UserSession,
4723) -> Result<()> {
4724 let user_id: String = session.user_id().to_string();
4725 if !session.is_staff() {
4726 return Err(anyhow!("supermaven not enabled for this account"))?;
4727 }
4728
4729 let email = session
4730 .email()
4731 .ok_or_else(|| anyhow!("user must have an email"))?;
4732
4733 let supermaven_admin_api = session
4734 .supermaven_client
4735 .as_ref()
4736 .ok_or_else(|| anyhow!("supermaven not configured"))?;
4737
4738 let result = supermaven_admin_api
4739 .try_get_or_create_user(CreateExternalUserRequest { id: user_id, email })
4740 .await?;
4741
4742 response.send(proto::GetSupermavenApiKeyResponse {
4743 api_key: result.api_key,
4744 })?;
4745
4746 Ok(())
4747}
4748
4749/// Start receiving chat updates for a channel
4750async fn join_channel_chat(
4751 request: proto::JoinChannelChat,
4752 response: Response<proto::JoinChannelChat>,
4753 session: UserSession,
4754) -> Result<()> {
4755 let channel_id = ChannelId::from_proto(request.channel_id);
4756
4757 let db = session.db().await;
4758 db.join_channel_chat(channel_id, session.connection_id, session.user_id())
4759 .await?;
4760 let messages = db
4761 .get_channel_messages(channel_id, session.user_id(), MESSAGE_COUNT_PER_PAGE, None)
4762 .await?;
4763 response.send(proto::JoinChannelChatResponse {
4764 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
4765 messages,
4766 })?;
4767 Ok(())
4768}
4769
4770/// Stop receiving chat updates for a channel
4771async fn leave_channel_chat(request: proto::LeaveChannelChat, session: UserSession) -> Result<()> {
4772 let channel_id = ChannelId::from_proto(request.channel_id);
4773 session
4774 .db()
4775 .await
4776 .leave_channel_chat(channel_id, session.connection_id, session.user_id())
4777 .await?;
4778 Ok(())
4779}
4780
4781/// Retrieve the chat history for a channel
4782async fn get_channel_messages(
4783 request: proto::GetChannelMessages,
4784 response: Response<proto::GetChannelMessages>,
4785 session: UserSession,
4786) -> Result<()> {
4787 let channel_id = ChannelId::from_proto(request.channel_id);
4788 let messages = session
4789 .db()
4790 .await
4791 .get_channel_messages(
4792 channel_id,
4793 session.user_id(),
4794 MESSAGE_COUNT_PER_PAGE,
4795 Some(MessageId::from_proto(request.before_message_id)),
4796 )
4797 .await?;
4798 response.send(proto::GetChannelMessagesResponse {
4799 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
4800 messages,
4801 })?;
4802 Ok(())
4803}
4804
4805/// Retrieve specific chat messages
4806async fn get_channel_messages_by_id(
4807 request: proto::GetChannelMessagesById,
4808 response: Response<proto::GetChannelMessagesById>,
4809 session: UserSession,
4810) -> Result<()> {
4811 let message_ids = request
4812 .message_ids
4813 .iter()
4814 .map(|id| MessageId::from_proto(*id))
4815 .collect::<Vec<_>>();
4816 let messages = session
4817 .db()
4818 .await
4819 .get_channel_messages_by_id(session.user_id(), &message_ids)
4820 .await?;
4821 response.send(proto::GetChannelMessagesResponse {
4822 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
4823 messages,
4824 })?;
4825 Ok(())
4826}
4827
4828/// Retrieve the current users notifications
4829async fn get_notifications(
4830 request: proto::GetNotifications,
4831 response: Response<proto::GetNotifications>,
4832 session: UserSession,
4833) -> Result<()> {
4834 let notifications = session
4835 .db()
4836 .await
4837 .get_notifications(
4838 session.user_id(),
4839 NOTIFICATION_COUNT_PER_PAGE,
4840 request.before_id.map(db::NotificationId::from_proto),
4841 )
4842 .await?;
4843 response.send(proto::GetNotificationsResponse {
4844 done: notifications.len() < NOTIFICATION_COUNT_PER_PAGE,
4845 notifications,
4846 })?;
4847 Ok(())
4848}
4849
4850/// Mark notifications as read
4851async fn mark_notification_as_read(
4852 request: proto::MarkNotificationRead,
4853 response: Response<proto::MarkNotificationRead>,
4854 session: UserSession,
4855) -> Result<()> {
4856 let database = &session.db().await;
4857 let notifications = database
4858 .mark_notification_as_read_by_id(
4859 session.user_id(),
4860 NotificationId::from_proto(request.notification_id),
4861 )
4862 .await?;
4863 send_notifications(
4864 &*session.connection_pool().await,
4865 &session.peer,
4866 notifications,
4867 );
4868 response.send(proto::Ack {})?;
4869 Ok(())
4870}
4871
4872/// Get the current users information
4873async fn get_private_user_info(
4874 _request: proto::GetPrivateUserInfo,
4875 response: Response<proto::GetPrivateUserInfo>,
4876 session: UserSession,
4877) -> Result<()> {
4878 let db = session.db().await;
4879
4880 let metrics_id = db.get_user_metrics_id(session.user_id()).await?;
4881 let user = db
4882 .get_user_by_id(session.user_id())
4883 .await?
4884 .ok_or_else(|| anyhow!("user not found"))?;
4885 let flags = db.get_user_flags(session.user_id()).await?;
4886
4887 response.send(proto::GetPrivateUserInfoResponse {
4888 metrics_id,
4889 staff: user.admin,
4890 flags,
4891 accepted_tos_at: user.accepted_tos_at.map(|t| t.and_utc().timestamp() as u64),
4892 })?;
4893 Ok(())
4894}
4895
4896/// Accept the terms of service (tos) on behalf of the current user
4897async fn accept_terms_of_service(
4898 _request: proto::AcceptTermsOfService,
4899 response: Response<proto::AcceptTermsOfService>,
4900 session: UserSession,
4901) -> Result<()> {
4902 let db = session.db().await;
4903
4904 let accepted_tos_at = Utc::now();
4905 db.set_user_accepted_tos_at(session.user_id(), Some(accepted_tos_at.naive_utc()))
4906 .await?;
4907
4908 response.send(proto::AcceptTermsOfServiceResponse {
4909 accepted_tos_at: accepted_tos_at.timestamp() as u64,
4910 })?;
4911 Ok(())
4912}
4913
4914/// The minimum account age an account must have in order to use the LLM service.
4915const MIN_ACCOUNT_AGE_FOR_LLM_USE: chrono::Duration = chrono::Duration::days(30);
4916
4917async fn get_llm_api_token(
4918 _request: proto::GetLlmToken,
4919 response: Response<proto::GetLlmToken>,
4920 session: UserSession,
4921) -> Result<()> {
4922 let db = session.db().await;
4923
4924 let flags = db.get_user_flags(session.user_id()).await?;
4925 let has_language_models_feature_flag = flags.iter().any(|flag| flag == "language-models");
4926 let has_llm_closed_beta_feature_flag = flags.iter().any(|flag| flag == "llm-closed-beta");
4927
4928 if !session.is_staff() && !has_language_models_feature_flag {
4929 Err(anyhow!("permission denied"))?
4930 }
4931
4932 let user_id = session.user_id();
4933 let user = db
4934 .get_user_by_id(user_id)
4935 .await?
4936 .ok_or_else(|| anyhow!("user {} not found", user_id))?;
4937
4938 if user.accepted_tos_at.is_none() {
4939 Err(anyhow!("terms of service not accepted"))?
4940 }
4941
4942 let mut account_created_at = user.created_at;
4943 if let Some(github_created_at) = user.github_user_created_at {
4944 account_created_at = account_created_at.min(github_created_at);
4945 }
4946 if Utc::now().naive_utc() - account_created_at < MIN_ACCOUNT_AGE_FOR_LLM_USE {
4947 Err(anyhow!("account too young"))?
4948 }
4949 let token = LlmTokenClaims::create(
4950 user.id,
4951 user.github_login.clone(),
4952 session.is_staff(),
4953 has_llm_closed_beta_feature_flag,
4954 session.current_plan(db).await?,
4955 &session.app_state.config,
4956 )?;
4957 response.send(proto::GetLlmTokenResponse { token })?;
4958 Ok(())
4959}
4960
4961fn to_axum_message(message: TungsteniteMessage) -> anyhow::Result<AxumMessage> {
4962 let message = match message {
4963 TungsteniteMessage::Text(payload) => AxumMessage::Text(payload),
4964 TungsteniteMessage::Binary(payload) => AxumMessage::Binary(payload),
4965 TungsteniteMessage::Ping(payload) => AxumMessage::Ping(payload),
4966 TungsteniteMessage::Pong(payload) => AxumMessage::Pong(payload),
4967 TungsteniteMessage::Close(frame) => AxumMessage::Close(frame.map(|frame| AxumCloseFrame {
4968 code: frame.code.into(),
4969 reason: frame.reason,
4970 })),
4971 // We should never receive a frame while reading the message, according
4972 // to the `tungstenite` maintainers:
4973 //
4974 // > It cannot occur when you read messages from the WebSocket, but it
4975 // > can be used when you want to send the raw frames (e.g. you want to
4976 // > send the frames to the WebSocket without composing the full message first).
4977 // >
4978 // > — https://github.com/snapview/tungstenite-rs/issues/268
4979 TungsteniteMessage::Frame(_) => {
4980 bail!("received an unexpected frame while reading the message")
4981 }
4982 };
4983
4984 Ok(message)
4985}
4986
4987fn to_tungstenite_message(message: AxumMessage) -> TungsteniteMessage {
4988 match message {
4989 AxumMessage::Text(payload) => TungsteniteMessage::Text(payload),
4990 AxumMessage::Binary(payload) => TungsteniteMessage::Binary(payload),
4991 AxumMessage::Ping(payload) => TungsteniteMessage::Ping(payload),
4992 AxumMessage::Pong(payload) => TungsteniteMessage::Pong(payload),
4993 AxumMessage::Close(frame) => {
4994 TungsteniteMessage::Close(frame.map(|frame| TungsteniteCloseFrame {
4995 code: frame.code.into(),
4996 reason: frame.reason,
4997 }))
4998 }
4999 }
5000}
5001
5002fn notify_membership_updated(
5003 connection_pool: &mut ConnectionPool,
5004 result: MembershipUpdated,
5005 user_id: UserId,
5006 peer: &Peer,
5007) {
5008 for membership in &result.new_channels.channel_memberships {
5009 connection_pool.subscribe_to_channel(user_id, membership.channel_id, membership.role)
5010 }
5011 for channel_id in &result.removed_channels {
5012 connection_pool.unsubscribe_from_channel(&user_id, channel_id)
5013 }
5014
5015 let user_channels_update = proto::UpdateUserChannels {
5016 channel_memberships: result
5017 .new_channels
5018 .channel_memberships
5019 .iter()
5020 .map(|cm| proto::ChannelMembership {
5021 channel_id: cm.channel_id.to_proto(),
5022 role: cm.role.into(),
5023 })
5024 .collect(),
5025 ..Default::default()
5026 };
5027
5028 let mut update = build_channels_update(result.new_channels);
5029 update.delete_channels = result
5030 .removed_channels
5031 .into_iter()
5032 .map(|id| id.to_proto())
5033 .collect();
5034 update.remove_channel_invitations = vec![result.channel_id.to_proto()];
5035
5036 for connection_id in connection_pool.user_connection_ids(user_id) {
5037 peer.send(connection_id, user_channels_update.clone())
5038 .trace_err();
5039 peer.send(connection_id, update.clone()).trace_err();
5040 }
5041}
5042
5043fn build_update_user_channels(channels: &ChannelsForUser) -> proto::UpdateUserChannels {
5044 proto::UpdateUserChannels {
5045 channel_memberships: channels
5046 .channel_memberships
5047 .iter()
5048 .map(|m| proto::ChannelMembership {
5049 channel_id: m.channel_id.to_proto(),
5050 role: m.role.into(),
5051 })
5052 .collect(),
5053 observed_channel_buffer_version: channels.observed_buffer_versions.clone(),
5054 observed_channel_message_id: channels.observed_channel_messages.clone(),
5055 }
5056}
5057
5058fn build_channels_update(channels: ChannelsForUser) -> proto::UpdateChannels {
5059 let mut update = proto::UpdateChannels::default();
5060
5061 for channel in channels.channels {
5062 update.channels.push(channel.to_proto());
5063 }
5064
5065 update.latest_channel_buffer_versions = channels.latest_buffer_versions;
5066 update.latest_channel_message_ids = channels.latest_channel_messages;
5067
5068 for (channel_id, participants) in channels.channel_participants {
5069 update
5070 .channel_participants
5071 .push(proto::ChannelParticipants {
5072 channel_id: channel_id.to_proto(),
5073 participant_user_ids: participants.into_iter().map(|id| id.to_proto()).collect(),
5074 });
5075 }
5076
5077 for channel in channels.invited_channels {
5078 update.channel_invitations.push(channel.to_proto());
5079 }
5080
5081 update.hosted_projects = channels.hosted_projects;
5082 update
5083}
5084
5085fn build_initial_contacts_update(
5086 contacts: Vec<db::Contact>,
5087 pool: &ConnectionPool,
5088) -> proto::UpdateContacts {
5089 let mut update = proto::UpdateContacts::default();
5090
5091 for contact in contacts {
5092 match contact {
5093 db::Contact::Accepted { user_id, busy } => {
5094 update.contacts.push(contact_for_user(user_id, busy, pool));
5095 }
5096 db::Contact::Outgoing { user_id } => update.outgoing_requests.push(user_id.to_proto()),
5097 db::Contact::Incoming { user_id } => {
5098 update
5099 .incoming_requests
5100 .push(proto::IncomingContactRequest {
5101 requester_id: user_id.to_proto(),
5102 })
5103 }
5104 }
5105 }
5106
5107 update
5108}
5109
5110fn contact_for_user(user_id: UserId, busy: bool, pool: &ConnectionPool) -> proto::Contact {
5111 proto::Contact {
5112 user_id: user_id.to_proto(),
5113 online: pool.is_user_online(user_id),
5114 busy,
5115 }
5116}
5117
5118fn room_updated(room: &proto::Room, peer: &Peer) {
5119 broadcast(
5120 None,
5121 room.participants
5122 .iter()
5123 .filter_map(|participant| Some(participant.peer_id?.into())),
5124 |peer_id| {
5125 peer.send(
5126 peer_id,
5127 proto::RoomUpdated {
5128 room: Some(room.clone()),
5129 },
5130 )
5131 },
5132 );
5133}
5134
5135fn channel_updated(
5136 channel: &db::channel::Model,
5137 room: &proto::Room,
5138 peer: &Peer,
5139 pool: &ConnectionPool,
5140) {
5141 let participants = room
5142 .participants
5143 .iter()
5144 .map(|p| p.user_id)
5145 .collect::<Vec<_>>();
5146
5147 broadcast(
5148 None,
5149 pool.channel_connection_ids(channel.root_id())
5150 .filter_map(|(channel_id, role)| {
5151 role.can_see_channel(channel.visibility)
5152 .then_some(channel_id)
5153 }),
5154 |peer_id| {
5155 peer.send(
5156 peer_id,
5157 proto::UpdateChannels {
5158 channel_participants: vec![proto::ChannelParticipants {
5159 channel_id: channel.id.to_proto(),
5160 participant_user_ids: participants.clone(),
5161 }],
5162 ..Default::default()
5163 },
5164 )
5165 },
5166 );
5167}
5168
5169async fn send_dev_server_projects_update(
5170 user_id: UserId,
5171 mut status: proto::DevServerProjectsUpdate,
5172 session: &Session,
5173) {
5174 let pool = session.connection_pool().await;
5175 for dev_server in &mut status.dev_servers {
5176 dev_server.status =
5177 pool.dev_server_status(DevServerId(dev_server.dev_server_id as i32)) as i32;
5178 }
5179 let connections = pool.user_connection_ids(user_id);
5180 for connection_id in connections {
5181 session.peer.send(connection_id, status.clone()).trace_err();
5182 }
5183}
5184
5185async fn update_user_contacts(user_id: UserId, session: &Session) -> Result<()> {
5186 let db = session.db().await;
5187
5188 let contacts = db.get_contacts(user_id).await?;
5189 let busy = db.is_user_busy(user_id).await?;
5190
5191 let pool = session.connection_pool().await;
5192 let updated_contact = contact_for_user(user_id, busy, &pool);
5193 for contact in contacts {
5194 if let db::Contact::Accepted {
5195 user_id: contact_user_id,
5196 ..
5197 } = contact
5198 {
5199 for contact_conn_id in pool.user_connection_ids(contact_user_id) {
5200 session
5201 .peer
5202 .send(
5203 contact_conn_id,
5204 proto::UpdateContacts {
5205 contacts: vec![updated_contact.clone()],
5206 remove_contacts: Default::default(),
5207 incoming_requests: Default::default(),
5208 remove_incoming_requests: Default::default(),
5209 outgoing_requests: Default::default(),
5210 remove_outgoing_requests: Default::default(),
5211 },
5212 )
5213 .trace_err();
5214 }
5215 }
5216 }
5217 Ok(())
5218}
5219
5220async fn lost_dev_server_connection(session: &DevServerSession) -> Result<()> {
5221 log::info!("lost dev server connection, unsharing projects");
5222 let project_ids = session
5223 .db()
5224 .await
5225 .get_stale_dev_server_projects(session.connection_id)
5226 .await?;
5227
5228 for project_id in project_ids {
5229 // not unshare re-checks the connection ids match, so we get away with no transaction
5230 unshare_project_internal(project_id, session.connection_id, None, session).await?;
5231 }
5232
5233 let user_id = session.dev_server().user_id;
5234 let update = session
5235 .db()
5236 .await
5237 .dev_server_projects_update(user_id)
5238 .await?;
5239
5240 send_dev_server_projects_update(user_id, update, session).await;
5241
5242 Ok(())
5243}
5244
5245async fn leave_room_for_session(session: &UserSession, connection_id: ConnectionId) -> Result<()> {
5246 let mut contacts_to_update = HashSet::default();
5247
5248 let room_id;
5249 let canceled_calls_to_user_ids;
5250 let live_kit_room;
5251 let delete_live_kit_room;
5252 let room;
5253 let channel;
5254
5255 if let Some(mut left_room) = session.db().await.leave_room(connection_id).await? {
5256 contacts_to_update.insert(session.user_id());
5257
5258 for project in left_room.left_projects.values() {
5259 project_left(project, session);
5260 }
5261
5262 room_id = RoomId::from_proto(left_room.room.id);
5263 canceled_calls_to_user_ids = mem::take(&mut left_room.canceled_calls_to_user_ids);
5264 live_kit_room = mem::take(&mut left_room.room.live_kit_room);
5265 delete_live_kit_room = left_room.deleted;
5266 room = mem::take(&mut left_room.room);
5267 channel = mem::take(&mut left_room.channel);
5268
5269 room_updated(&room, &session.peer);
5270 } else {
5271 return Ok(());
5272 }
5273
5274 if let Some(channel) = channel {
5275 channel_updated(
5276 &channel,
5277 &room,
5278 &session.peer,
5279 &*session.connection_pool().await,
5280 );
5281 }
5282
5283 {
5284 let pool = session.connection_pool().await;
5285 for canceled_user_id in canceled_calls_to_user_ids {
5286 for connection_id in pool.user_connection_ids(canceled_user_id) {
5287 session
5288 .peer
5289 .send(
5290 connection_id,
5291 proto::CallCanceled {
5292 room_id: room_id.to_proto(),
5293 },
5294 )
5295 .trace_err();
5296 }
5297 contacts_to_update.insert(canceled_user_id);
5298 }
5299 }
5300
5301 for contact_user_id in contacts_to_update {
5302 update_user_contacts(contact_user_id, session).await?;
5303 }
5304
5305 if let Some(live_kit) = session.app_state.live_kit_client.as_ref() {
5306 live_kit
5307 .remove_participant(live_kit_room.clone(), session.user_id().to_string())
5308 .await
5309 .trace_err();
5310
5311 if delete_live_kit_room {
5312 live_kit.delete_room(live_kit_room).await.trace_err();
5313 }
5314 }
5315
5316 Ok(())
5317}
5318
5319async fn leave_channel_buffers_for_session(session: &Session) -> Result<()> {
5320 let left_channel_buffers = session
5321 .db()
5322 .await
5323 .leave_channel_buffers(session.connection_id)
5324 .await?;
5325
5326 for left_buffer in left_channel_buffers {
5327 channel_buffer_updated(
5328 session.connection_id,
5329 left_buffer.connections,
5330 &proto::UpdateChannelBufferCollaborators {
5331 channel_id: left_buffer.channel_id.to_proto(),
5332 collaborators: left_buffer.collaborators,
5333 },
5334 &session.peer,
5335 );
5336 }
5337
5338 Ok(())
5339}
5340
5341fn project_left(project: &db::LeftProject, session: &UserSession) {
5342 for connection_id in &project.connection_ids {
5343 if project.should_unshare {
5344 session
5345 .peer
5346 .send(
5347 *connection_id,
5348 proto::UnshareProject {
5349 project_id: project.id.to_proto(),
5350 },
5351 )
5352 .trace_err();
5353 } else {
5354 session
5355 .peer
5356 .send(
5357 *connection_id,
5358 proto::RemoveProjectCollaborator {
5359 project_id: project.id.to_proto(),
5360 peer_id: Some(session.connection_id.into()),
5361 },
5362 )
5363 .trace_err();
5364 }
5365 }
5366}
5367
5368pub trait ResultExt {
5369 type Ok;
5370
5371 fn trace_err(self) -> Option<Self::Ok>;
5372}
5373
5374impl<T, E> ResultExt for Result<T, E>
5375where
5376 E: std::fmt::Debug,
5377{
5378 type Ok = T;
5379
5380 #[track_caller]
5381 fn trace_err(self) -> Option<T> {
5382 match self {
5383 Ok(value) => Some(value),
5384 Err(error) => {
5385 tracing::error!("{:?}", error);
5386 None
5387 }
5388 }
5389 }
5390}