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