1mod connection_pool;
2
3use crate::api::billing::find_or_create_billing_customer;
4use crate::api::{CloudflareIpCountryHeader, SystemIdHeader};
5use crate::db::billing_subscription::SubscriptionKind;
6use crate::llm::db::LlmDatabase;
7use crate::llm::{AGENT_EXTENDED_TRIAL_FEATURE_FLAG, LlmTokenClaims};
8use crate::{
9 AppState, Error, Result, auth,
10 db::{
11 self, BufferId, Capability, Channel, ChannelId, ChannelRole, ChannelsForUser,
12 CreatedChannelMessage, Database, InviteMemberResult, MembershipUpdated, MessageId,
13 NotificationId, Project, ProjectId, RejoinedProject, RemoveChannelMemberResult, ReplicaId,
14 RespondToChannelInvite, RoomId, ServerId, UpdatedChannelMessage, User, UserId,
15 },
16 executor::Executor,
17};
18use anyhow::{Context as _, anyhow, bail};
19use async_tungstenite::tungstenite::{
20 Message as TungsteniteMessage, protocol::CloseFrame as TungsteniteCloseFrame,
21};
22use axum::{
23 Extension, Router, TypedHeader,
24 body::Body,
25 extract::{
26 ConnectInfo, WebSocketUpgrade,
27 ws::{CloseFrame as AxumCloseFrame, Message as AxumMessage},
28 },
29 headers::{Header, HeaderName},
30 http::StatusCode,
31 middleware,
32 response::IntoResponse,
33 routing::get,
34};
35use chrono::Utc;
36use collections::{HashMap, HashSet};
37pub use connection_pool::{ConnectionPool, ZedVersion};
38use core::fmt::{self, Debug, Formatter};
39use reqwest_client::ReqwestClient;
40use rpc::proto::split_repository_update;
41use supermaven_api::{CreateExternalUserRequest, SupermavenAdminApi};
42
43use futures::{
44 FutureExt, SinkExt, StreamExt, TryStreamExt, channel::oneshot, future::BoxFuture,
45 stream::FuturesUnordered,
46};
47use prometheus::{IntGauge, register_int_gauge};
48use rpc::{
49 Connection, ConnectionId, ErrorCode, ErrorCodeExt, ErrorExt, Peer, Receipt, TypedEnvelope,
50 proto::{
51 self, Ack, AnyTypedEnvelope, EntityMessage, EnvelopedMessage, LiveKitConnectionInfo,
52 RequestMessage, ShareProject, UpdateChannelBufferCollaborators,
53 },
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 Arc, OnceLock,
67 atomic::{AtomicBool, Ordering::SeqCst},
68 },
69 time::{Duration, Instant},
70};
71use time::OffsetDateTime;
72use tokio::sync::{Semaphore, watch};
73use tower::ServiceBuilder;
74use tracing::{
75 Instrument,
76 field::{self},
77 info_span, instrument,
78};
79
80pub const RECONNECT_TIMEOUT: Duration = Duration::from_secs(30);
81
82// kubernetes gives terminated pods 10s to shutdown gracefully. After they're gone, we can clean up old resources.
83pub const CLEANUP_TIMEOUT: Duration = Duration::from_secs(15);
84
85const MESSAGE_COUNT_PER_PAGE: usize = 100;
86const MAX_MESSAGE_LEN: usize = 1024;
87const NOTIFICATION_COUNT_PER_PAGE: usize = 50;
88
89type MessageHandler =
90 Box<dyn Send + Sync + Fn(Box<dyn AnyTypedEnvelope>, Session) -> BoxFuture<'static, ()>>;
91
92struct Response<R> {
93 peer: Arc<Peer>,
94 receipt: Receipt<R>,
95 responded: Arc<AtomicBool>,
96}
97
98impl<R: RequestMessage> Response<R> {
99 fn send(self, payload: R::Response) -> Result<()> {
100 self.responded.store(true, SeqCst);
101 self.peer.respond(self.receipt, payload)?;
102 Ok(())
103 }
104}
105
106#[derive(Clone, Debug)]
107pub enum Principal {
108 User(User),
109 Impersonated { user: User, admin: User },
110}
111
112impl Principal {
113 fn update_span(&self, span: &tracing::Span) {
114 match &self {
115 Principal::User(user) => {
116 span.record("user_id", user.id.0);
117 span.record("login", &user.github_login);
118 }
119 Principal::Impersonated { user, admin } => {
120 span.record("user_id", user.id.0);
121 span.record("login", &user.github_login);
122 span.record("impersonator", &admin.github_login);
123 }
124 }
125 }
126}
127
128#[derive(Clone)]
129struct Session {
130 principal: Principal,
131 connection_id: ConnectionId,
132 db: Arc<tokio::sync::Mutex<DbHandle>>,
133 peer: Arc<Peer>,
134 connection_pool: Arc<parking_lot::Mutex<ConnectionPool>>,
135 app_state: Arc<AppState>,
136 supermaven_client: Option<Arc<SupermavenAdminApi>>,
137 /// The GeoIP country code for the user.
138 #[allow(unused)]
139 geoip_country_code: Option<String>,
140 system_id: Option<String>,
141 _executor: Executor,
142}
143
144impl Session {
145 async fn db(&self) -> tokio::sync::MutexGuard<DbHandle> {
146 #[cfg(test)]
147 tokio::task::yield_now().await;
148 let guard = self.db.lock().await;
149 #[cfg(test)]
150 tokio::task::yield_now().await;
151 guard
152 }
153
154 async fn connection_pool(&self) -> ConnectionPoolGuard<'_> {
155 #[cfg(test)]
156 tokio::task::yield_now().await;
157 let guard = self.connection_pool.lock();
158 ConnectionPoolGuard {
159 guard,
160 _not_send: PhantomData,
161 }
162 }
163
164 fn is_staff(&self) -> bool {
165 match &self.principal {
166 Principal::User(user) => user.admin,
167 Principal::Impersonated { .. } => true,
168 }
169 }
170
171 fn user_id(&self) -> UserId {
172 match &self.principal {
173 Principal::User(user) => user.id,
174 Principal::Impersonated { user, .. } => user.id,
175 }
176 }
177
178 pub fn email(&self) -> Option<String> {
179 match &self.principal {
180 Principal::User(user) => user.email_address.clone(),
181 Principal::Impersonated { user, .. } => user.email_address.clone(),
182 }
183 }
184}
185
186impl Debug for Session {
187 fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
188 let mut result = f.debug_struct("Session");
189 match &self.principal {
190 Principal::User(user) => {
191 result.field("user", &user.github_login);
192 }
193 Principal::Impersonated { user, admin } => {
194 result.field("user", &user.github_login);
195 result.field("impersonator", &admin.github_login);
196 }
197 }
198 result.field("connection_id", &self.connection_id).finish()
199 }
200}
201
202struct DbHandle(Arc<Database>);
203
204impl Deref for DbHandle {
205 type Target = Database;
206
207 fn deref(&self) -> &Self::Target {
208 self.0.as_ref()
209 }
210}
211
212pub struct Server {
213 id: parking_lot::Mutex<ServerId>,
214 peer: Arc<Peer>,
215 pub(crate) connection_pool: Arc<parking_lot::Mutex<ConnectionPool>>,
216 app_state: Arc<AppState>,
217 handlers: HashMap<TypeId, MessageHandler>,
218 teardown: watch::Sender<bool>,
219}
220
221pub(crate) struct ConnectionPoolGuard<'a> {
222 guard: parking_lot::MutexGuard<'a, ConnectionPool>,
223 _not_send: PhantomData<Rc<()>>,
224}
225
226#[derive(Serialize)]
227pub struct ServerSnapshot<'a> {
228 peer: &'a Peer,
229 #[serde(serialize_with = "serialize_deref")]
230 connection_pool: ConnectionPoolGuard<'a>,
231}
232
233pub fn serialize_deref<S, T, U>(value: &T, serializer: S) -> Result<S::Ok, S::Error>
234where
235 S: Serializer,
236 T: Deref<Target = U>,
237 U: Serialize,
238{
239 Serialize::serialize(value.deref(), serializer)
240}
241
242impl Server {
243 pub fn new(id: ServerId, app_state: Arc<AppState>) -> Arc<Self> {
244 let mut server = Self {
245 id: parking_lot::Mutex::new(id),
246 peer: Peer::new(id.0 as u32),
247 app_state: app_state.clone(),
248 connection_pool: Default::default(),
249 handlers: Default::default(),
250 teardown: watch::channel(false).0,
251 };
252
253 server
254 .add_request_handler(ping)
255 .add_request_handler(create_room)
256 .add_request_handler(join_room)
257 .add_request_handler(rejoin_room)
258 .add_request_handler(leave_room)
259 .add_request_handler(set_room_participant_role)
260 .add_request_handler(call)
261 .add_request_handler(cancel_call)
262 .add_message_handler(decline_call)
263 .add_request_handler(update_participant_location)
264 .add_request_handler(share_project)
265 .add_message_handler(unshare_project)
266 .add_request_handler(join_project)
267 .add_message_handler(leave_project)
268 .add_request_handler(update_project)
269 .add_request_handler(update_worktree)
270 .add_request_handler(update_repository)
271 .add_request_handler(remove_repository)
272 .add_message_handler(start_language_server)
273 .add_message_handler(update_language_server)
274 .add_message_handler(update_diagnostic_summary)
275 .add_message_handler(update_worktree_settings)
276 .add_request_handler(forward_read_only_project_request::<proto::GetHover>)
277 .add_request_handler(forward_read_only_project_request::<proto::GetDefinition>)
278 .add_request_handler(forward_read_only_project_request::<proto::GetTypeDefinition>)
279 .add_request_handler(forward_read_only_project_request::<proto::GetReferences>)
280 .add_request_handler(forward_find_search_candidates_request)
281 .add_request_handler(forward_read_only_project_request::<proto::GetDocumentHighlights>)
282 .add_request_handler(forward_read_only_project_request::<proto::GetDocumentSymbols>)
283 .add_request_handler(forward_read_only_project_request::<proto::GetProjectSymbols>)
284 .add_request_handler(forward_read_only_project_request::<proto::OpenBufferForSymbol>)
285 .add_request_handler(forward_read_only_project_request::<proto::OpenBufferById>)
286 .add_request_handler(forward_read_only_project_request::<proto::SynchronizeBuffers>)
287 .add_request_handler(forward_read_only_project_request::<proto::InlayHints>)
288 .add_request_handler(forward_read_only_project_request::<proto::ResolveInlayHint>)
289 .add_request_handler(forward_mutating_project_request::<proto::GetCodeLens>)
290 .add_request_handler(forward_read_only_project_request::<proto::OpenBufferByPath>)
291 .add_request_handler(forward_read_only_project_request::<proto::GitGetBranches>)
292 .add_request_handler(forward_read_only_project_request::<proto::OpenUnstagedDiff>)
293 .add_request_handler(forward_read_only_project_request::<proto::OpenUncommittedDiff>)
294 .add_request_handler(forward_read_only_project_request::<proto::LspExtExpandMacro>)
295 .add_request_handler(forward_read_only_project_request::<proto::LspExtOpenDocs>)
296 .add_request_handler(forward_mutating_project_request::<proto::LspExtRunnables>)
297 .add_request_handler(
298 forward_read_only_project_request::<proto::LspExtSwitchSourceHeader>,
299 )
300 .add_request_handler(forward_read_only_project_request::<proto::LspExtGoToParentModule>)
301 .add_request_handler(forward_read_only_project_request::<proto::LspExtCancelFlycheck>)
302 .add_request_handler(forward_read_only_project_request::<proto::LspExtRunFlycheck>)
303 .add_request_handler(forward_read_only_project_request::<proto::LspExtClearFlycheck>)
304 .add_request_handler(
305 forward_read_only_project_request::<proto::LanguageServerIdForName>,
306 )
307 .add_request_handler(
308 forward_mutating_project_request::<proto::RegisterBufferWithLanguageServers>,
309 )
310 .add_request_handler(forward_mutating_project_request::<proto::UpdateGitBranch>)
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::ApplyCodeActionKind>)
325 .add_request_handler(forward_mutating_project_request::<proto::FormatBuffers>)
326 .add_request_handler(forward_mutating_project_request::<proto::CreateProjectEntry>)
327 .add_request_handler(forward_mutating_project_request::<proto::RenameProjectEntry>)
328 .add_request_handler(forward_mutating_project_request::<proto::CopyProjectEntry>)
329 .add_request_handler(forward_mutating_project_request::<proto::DeleteProjectEntry>)
330 .add_request_handler(forward_mutating_project_request::<proto::ExpandProjectEntry>)
331 .add_request_handler(
332 forward_mutating_project_request::<proto::ExpandAllForProjectEntry>,
333 )
334 .add_request_handler(forward_mutating_project_request::<proto::OnTypeFormatting>)
335 .add_request_handler(forward_mutating_project_request::<proto::SaveBuffer>)
336 .add_request_handler(forward_mutating_project_request::<proto::BlameBuffer>)
337 .add_request_handler(forward_mutating_project_request::<proto::MultiLspQuery>)
338 .add_request_handler(forward_mutating_project_request::<proto::RestartLanguageServers>)
339 .add_request_handler(forward_mutating_project_request::<proto::StopLanguageServers>)
340 .add_request_handler(forward_mutating_project_request::<proto::LinkedEditingRange>)
341 .add_message_handler(create_buffer_for_peer)
342 .add_request_handler(update_buffer)
343 .add_message_handler(broadcast_project_message_from_host::<proto::RefreshInlayHints>)
344 .add_message_handler(broadcast_project_message_from_host::<proto::RefreshCodeLens>)
345 .add_message_handler(broadcast_project_message_from_host::<proto::UpdateBufferFile>)
346 .add_message_handler(broadcast_project_message_from_host::<proto::BufferReloaded>)
347 .add_message_handler(broadcast_project_message_from_host::<proto::BufferSaved>)
348 .add_message_handler(broadcast_project_message_from_host::<proto::UpdateDiffBases>)
349 .add_request_handler(get_users)
350 .add_request_handler(fuzzy_search_users)
351 .add_request_handler(request_contact)
352 .add_request_handler(remove_contact)
353 .add_request_handler(respond_to_contact_request)
354 .add_message_handler(subscribe_to_channels)
355 .add_request_handler(create_channel)
356 .add_request_handler(delete_channel)
357 .add_request_handler(invite_channel_member)
358 .add_request_handler(remove_channel_member)
359 .add_request_handler(set_channel_member_role)
360 .add_request_handler(set_channel_visibility)
361 .add_request_handler(rename_channel)
362 .add_request_handler(join_channel_buffer)
363 .add_request_handler(leave_channel_buffer)
364 .add_message_handler(update_channel_buffer)
365 .add_request_handler(rejoin_channel_buffers)
366 .add_request_handler(get_channel_members)
367 .add_request_handler(respond_to_channel_invite)
368 .add_request_handler(join_channel)
369 .add_request_handler(join_channel_chat)
370 .add_message_handler(leave_channel_chat)
371 .add_request_handler(send_channel_message)
372 .add_request_handler(remove_channel_message)
373 .add_request_handler(update_channel_message)
374 .add_request_handler(get_channel_messages)
375 .add_request_handler(get_channel_messages_by_id)
376 .add_request_handler(get_notifications)
377 .add_request_handler(mark_notification_as_read)
378 .add_request_handler(move_channel)
379 .add_request_handler(follow)
380 .add_message_handler(unfollow)
381 .add_message_handler(update_followers)
382 .add_request_handler(get_private_user_info)
383 .add_request_handler(get_llm_api_token)
384 .add_request_handler(accept_terms_of_service)
385 .add_message_handler(acknowledge_channel_message)
386 .add_message_handler(acknowledge_buffer_version)
387 .add_request_handler(get_supermaven_api_key)
388 .add_request_handler(forward_mutating_project_request::<proto::OpenContext>)
389 .add_request_handler(forward_mutating_project_request::<proto::CreateContext>)
390 .add_request_handler(forward_mutating_project_request::<proto::SynchronizeContexts>)
391 .add_request_handler(forward_mutating_project_request::<proto::Stage>)
392 .add_request_handler(forward_mutating_project_request::<proto::Unstage>)
393 .add_request_handler(forward_mutating_project_request::<proto::Commit>)
394 .add_request_handler(forward_mutating_project_request::<proto::GitInit>)
395 .add_request_handler(forward_read_only_project_request::<proto::GetRemotes>)
396 .add_request_handler(forward_read_only_project_request::<proto::GitShow>)
397 .add_request_handler(forward_read_only_project_request::<proto::LoadCommitDiff>)
398 .add_request_handler(forward_read_only_project_request::<proto::GitReset>)
399 .add_request_handler(forward_read_only_project_request::<proto::GitCheckoutFiles>)
400 .add_request_handler(forward_mutating_project_request::<proto::SetIndexText>)
401 .add_request_handler(forward_mutating_project_request::<proto::ToggleBreakpoint>)
402 .add_message_handler(broadcast_project_message_from_host::<proto::BreakpointsForFile>)
403 .add_request_handler(forward_mutating_project_request::<proto::OpenCommitMessageBuffer>)
404 .add_request_handler(forward_mutating_project_request::<proto::GitDiff>)
405 .add_request_handler(forward_mutating_project_request::<proto::GitCreateBranch>)
406 .add_request_handler(forward_mutating_project_request::<proto::GitChangeBranch>)
407 .add_request_handler(forward_mutating_project_request::<proto::CheckForPushedCommits>)
408 .add_message_handler(broadcast_project_message_from_host::<proto::AdvertiseContexts>)
409 .add_message_handler(update_context);
410
411 Arc::new(server)
412 }
413
414 pub async fn start(&self) -> Result<()> {
415 let server_id = *self.id.lock();
416 let app_state = self.app_state.clone();
417 let peer = self.peer.clone();
418 let timeout = self.app_state.executor.sleep(CLEANUP_TIMEOUT);
419 let pool = self.connection_pool.clone();
420 let livekit_client = self.app_state.livekit_client.clone();
421
422 let span = info_span!("start server");
423 self.app_state.executor.spawn_detached(
424 async move {
425 tracing::info!("waiting for cleanup timeout");
426 timeout.await;
427 tracing::info!("cleanup timeout expired, retrieving stale rooms");
428 if let Some((room_ids, channel_ids)) = app_state
429 .db
430 .stale_server_resource_ids(&app_state.config.zed_environment, server_id)
431 .await
432 .trace_err()
433 {
434 tracing::info!(stale_room_count = room_ids.len(), "retrieved stale rooms");
435 tracing::info!(
436 stale_channel_buffer_count = channel_ids.len(),
437 "retrieved stale channel buffers"
438 );
439
440 for channel_id in channel_ids {
441 if let Some(refreshed_channel_buffer) = app_state
442 .db
443 .clear_stale_channel_buffer_collaborators(channel_id, server_id)
444 .await
445 .trace_err()
446 {
447 for connection_id in refreshed_channel_buffer.connection_ids {
448 peer.send(
449 connection_id,
450 proto::UpdateChannelBufferCollaborators {
451 channel_id: channel_id.to_proto(),
452 collaborators: refreshed_channel_buffer
453 .collaborators
454 .clone(),
455 },
456 )
457 .trace_err();
458 }
459 }
460 }
461
462 for room_id in room_ids {
463 let mut contacts_to_update = HashSet::default();
464 let mut canceled_calls_to_user_ids = Vec::new();
465 let mut livekit_room = String::new();
466 let mut delete_livekit_room = false;
467
468 if let Some(mut refreshed_room) = app_state
469 .db
470 .clear_stale_room_participants(room_id, server_id)
471 .await
472 .trace_err()
473 {
474 tracing::info!(
475 room_id = room_id.0,
476 new_participant_count = refreshed_room.room.participants.len(),
477 "refreshed room"
478 );
479 room_updated(&refreshed_room.room, &peer);
480 if let Some(channel) = refreshed_room.channel.as_ref() {
481 channel_updated(channel, &refreshed_room.room, &peer, &pool.lock());
482 }
483 contacts_to_update
484 .extend(refreshed_room.stale_participant_user_ids.iter().copied());
485 contacts_to_update
486 .extend(refreshed_room.canceled_calls_to_user_ids.iter().copied());
487 canceled_calls_to_user_ids =
488 mem::take(&mut refreshed_room.canceled_calls_to_user_ids);
489 livekit_room = mem::take(&mut refreshed_room.room.livekit_room);
490 delete_livekit_room = refreshed_room.room.participants.is_empty();
491 }
492
493 {
494 let pool = pool.lock();
495 for canceled_user_id in canceled_calls_to_user_ids {
496 for connection_id in pool.user_connection_ids(canceled_user_id) {
497 peer.send(
498 connection_id,
499 proto::CallCanceled {
500 room_id: room_id.to_proto(),
501 },
502 )
503 .trace_err();
504 }
505 }
506 }
507
508 for user_id in contacts_to_update {
509 let busy = app_state.db.is_user_busy(user_id).await.trace_err();
510 let contacts = app_state.db.get_contacts(user_id).await.trace_err();
511 if let Some((busy, contacts)) = busy.zip(contacts) {
512 let pool = pool.lock();
513 let updated_contact = contact_for_user(user_id, busy, &pool);
514 for contact in contacts {
515 if let db::Contact::Accepted {
516 user_id: contact_user_id,
517 ..
518 } = contact
519 {
520 for contact_conn_id in
521 pool.user_connection_ids(contact_user_id)
522 {
523 peer.send(
524 contact_conn_id,
525 proto::UpdateContacts {
526 contacts: vec![updated_contact.clone()],
527 remove_contacts: Default::default(),
528 incoming_requests: Default::default(),
529 remove_incoming_requests: Default::default(),
530 outgoing_requests: Default::default(),
531 remove_outgoing_requests: Default::default(),
532 },
533 )
534 .trace_err();
535 }
536 }
537 }
538 }
539 }
540
541 if let Some(live_kit) = livekit_client.as_ref() {
542 if delete_livekit_room {
543 live_kit.delete_room(livekit_room).await.trace_err();
544 }
545 }
546 }
547 }
548
549 app_state
550 .db
551 .delete_stale_servers(&app_state.config.zed_environment, server_id)
552 .await
553 .trace_err();
554 }
555 .instrument(span),
556 );
557 Ok(())
558 }
559
560 pub fn teardown(&self) {
561 self.peer.teardown();
562 self.connection_pool.lock().reset();
563 let _ = self.teardown.send(true);
564 }
565
566 #[cfg(test)]
567 pub fn reset(&self, id: ServerId) {
568 self.teardown();
569 *self.id.lock() = id;
570 self.peer.reset(id.0 as u32);
571 let _ = self.teardown.send(false);
572 }
573
574 #[cfg(test)]
575 pub fn id(&self) -> ServerId {
576 *self.id.lock()
577 }
578
579 fn add_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
580 where
581 F: 'static + Send + Sync + Fn(TypedEnvelope<M>, Session) -> Fut,
582 Fut: 'static + Send + Future<Output = Result<()>>,
583 M: EnvelopedMessage,
584 {
585 let prev_handler = self.handlers.insert(
586 TypeId::of::<M>(),
587 Box::new(move |envelope, session| {
588 let envelope = envelope.into_any().downcast::<TypedEnvelope<M>>().unwrap();
589 let received_at = envelope.received_at;
590 tracing::info!("message received");
591 let start_time = Instant::now();
592 let future = (handler)(*envelope, session);
593 async move {
594 let result = future.await;
595 let total_duration_ms = received_at.elapsed().as_micros() as f64 / 1000.0;
596 let processing_duration_ms = start_time.elapsed().as_micros() as f64 / 1000.0;
597 let queue_duration_ms = total_duration_ms - processing_duration_ms;
598 let payload_type = M::NAME;
599
600 match result {
601 Err(error) => {
602 tracing::error!(
603 ?error,
604 total_duration_ms,
605 processing_duration_ms,
606 queue_duration_ms,
607 payload_type,
608 "error handling message"
609 )
610 }
611 Ok(()) => tracing::info!(
612 total_duration_ms,
613 processing_duration_ms,
614 queue_duration_ms,
615 "finished handling message"
616 ),
617 }
618 }
619 .boxed()
620 }),
621 );
622 if prev_handler.is_some() {
623 panic!("registered a handler for the same message twice");
624 }
625 self
626 }
627
628 fn add_message_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
629 where
630 F: 'static + Send + Sync + Fn(M, Session) -> Fut,
631 Fut: 'static + Send + Future<Output = Result<()>>,
632 M: EnvelopedMessage,
633 {
634 self.add_handler(move |envelope, session| handler(envelope.payload, session));
635 self
636 }
637
638 fn add_request_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
639 where
640 F: 'static + Send + Sync + Fn(M, Response<M>, Session) -> Fut,
641 Fut: Send + Future<Output = Result<()>>,
642 M: RequestMessage,
643 {
644 let handler = Arc::new(handler);
645 self.add_handler(move |envelope, session| {
646 let receipt = envelope.receipt();
647 let handler = handler.clone();
648 async move {
649 let peer = session.peer.clone();
650 let responded = Arc::new(AtomicBool::default());
651 let response = Response {
652 peer: peer.clone(),
653 responded: responded.clone(),
654 receipt,
655 };
656 match (handler)(envelope.payload, response, session).await {
657 Ok(()) => {
658 if responded.load(std::sync::atomic::Ordering::SeqCst) {
659 Ok(())
660 } else {
661 Err(anyhow!("handler did not send a response"))?
662 }
663 }
664 Err(error) => {
665 let proto_err = match &error {
666 Error::Internal(err) => err.to_proto(),
667 _ => ErrorCode::Internal.message(format!("{error}")).to_proto(),
668 };
669 peer.respond_with_error(receipt, proto_err)?;
670 Err(error)
671 }
672 }
673 }
674 })
675 }
676
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 system_id: Option<String>,
685 send_connection_id: Option<oneshot::Sender<ConnectionId>>,
686 executor: Executor,
687 ) -> impl Future<Output = ()> + use<> {
688 let this = self.clone();
689 let span = info_span!("handle connection", %address,
690 connection_id=field::Empty,
691 user_id=field::Empty,
692 login=field::Empty,
693 impersonator=field::Empty,
694 geoip_country_code=field::Empty
695 );
696 principal.update_span(&span);
697 if let Some(country_code) = geoip_country_code.as_ref() {
698 span.record("geoip_country_code", country_code);
699 }
700
701 let mut teardown = self.teardown.subscribe();
702 async move {
703 if *teardown.borrow() {
704 tracing::error!("server is tearing down");
705 return
706 }
707 let (connection_id, handle_io, mut incoming_rx) = this
708 .peer
709 .add_connection(connection, {
710 let executor = executor.clone();
711 move |duration| executor.sleep(duration)
712 });
713 tracing::Span::current().record("connection_id", format!("{}", connection_id));
714
715 tracing::info!("connection opened");
716
717 let user_agent = format!("Zed Server/{}", env!("CARGO_PKG_VERSION"));
718 let http_client = match ReqwestClient::user_agent(&user_agent) {
719 Ok(http_client) => Arc::new(http_client),
720 Err(error) => {
721 tracing::error!(?error, "failed to create HTTP client");
722 return;
723 }
724 };
725
726 let supermaven_client = this.app_state.config.supermaven_admin_api_key.clone().map(|supermaven_admin_api_key| Arc::new(SupermavenAdminApi::new(
727 supermaven_admin_api_key.to_string(),
728 http_client.clone(),
729 )));
730
731 let session = Session {
732 principal: principal.clone(),
733 connection_id,
734 db: Arc::new(tokio::sync::Mutex::new(DbHandle(this.app_state.db.clone()))),
735 peer: this.peer.clone(),
736 connection_pool: this.connection_pool.clone(),
737 app_state: this.app_state.clone(),
738 geoip_country_code,
739 system_id,
740 _executor: executor.clone(),
741 supermaven_client,
742 };
743
744 if let Err(error) = this.send_initial_client_update(connection_id, &principal, zed_version, send_connection_id, &session).await {
745 tracing::error!(?error, "failed to send initial client update");
746 return;
747 }
748
749 let handle_io = handle_io.fuse();
750 futures::pin_mut!(handle_io);
751
752 // Handlers for foreground messages are pushed into the following `FuturesUnordered`.
753 // This prevents deadlocks when e.g., client A performs a request to client B and
754 // client B performs a request to client A. If both clients stop processing further
755 // messages until their respective request completes, they won't have a chance to
756 // respond to the other client's request and cause a deadlock.
757 //
758 // This arrangement ensures we will attempt to process earlier messages first, but fall
759 // back to processing messages arrived later in the spirit of making progress.
760 let mut foreground_message_handlers = FuturesUnordered::new();
761 let concurrent_handlers = Arc::new(Semaphore::new(256));
762 loop {
763 let next_message = async {
764 let permit = concurrent_handlers.clone().acquire_owned().await.unwrap();
765 let message = incoming_rx.next().await;
766 (permit, message)
767 }.fuse();
768 futures::pin_mut!(next_message);
769 futures::select_biased! {
770 _ = teardown.changed().fuse() => return,
771 result = handle_io => {
772 if let Err(error) = result {
773 tracing::error!(?error, "error handling I/O");
774 }
775 break;
776 }
777 _ = foreground_message_handlers.next() => {}
778 next_message = next_message => {
779 let (permit, message) = next_message;
780 if let Some(message) = message {
781 let type_name = message.payload_type_name();
782 // note: we copy all the fields from the parent span so we can query them in the logs.
783 // (https://github.com/tokio-rs/tracing/issues/2670).
784 let span = tracing::info_span!("receive message", %connection_id, %address, type_name,
785 user_id=field::Empty,
786 login=field::Empty,
787 impersonator=field::Empty,
788 );
789 principal.update_span(&span);
790 let span_enter = span.enter();
791 if let Some(handler) = this.handlers.get(&message.payload_type_id()) {
792 let is_background = message.is_background();
793 let handle_message = (handler)(message, session.clone());
794 drop(span_enter);
795
796 let handle_message = async move {
797 handle_message.await;
798 drop(permit);
799 }.instrument(span);
800 if is_background {
801 executor.spawn_detached(handle_message);
802 } else {
803 foreground_message_handlers.push(handle_message);
804 }
805 } else {
806 tracing::error!("no message handler");
807 }
808 } else {
809 tracing::info!("connection closed");
810 break;
811 }
812 }
813 }
814 }
815
816 drop(foreground_message_handlers);
817 tracing::info!("signing out");
818 if let Err(error) = connection_lost(session, teardown, executor).await {
819 tracing::error!(?error, "error signing out");
820 }
821
822 }.instrument(span)
823 }
824
825 async fn send_initial_client_update(
826 &self,
827 connection_id: ConnectionId,
828 principal: &Principal,
829 zed_version: ZedVersion,
830 mut send_connection_id: Option<oneshot::Sender<ConnectionId>>,
831 session: &Session,
832 ) -> Result<()> {
833 self.peer.send(
834 connection_id,
835 proto::Hello {
836 peer_id: Some(connection_id.into()),
837 },
838 )?;
839 tracing::info!("sent hello message");
840 if let Some(send_connection_id) = send_connection_id.take() {
841 let _ = send_connection_id.send(connection_id);
842 }
843
844 match principal {
845 Principal::User(user) | Principal::Impersonated { user, admin: _ } => {
846 if !user.connected_once {
847 self.peer.send(connection_id, proto::ShowContacts {})?;
848 self.app_state
849 .db
850 .set_user_connected_once(user.id, true)
851 .await?;
852 }
853
854 update_user_plan(user.id, session).await?;
855
856 let contacts = self.app_state.db.get_contacts(user.id).await?;
857
858 {
859 let mut pool = self.connection_pool.lock();
860 pool.add_connection(connection_id, user.id, user.admin, zed_version);
861 self.peer.send(
862 connection_id,
863 build_initial_contacts_update(contacts, &pool),
864 )?;
865 }
866
867 if should_auto_subscribe_to_channels(zed_version) {
868 subscribe_user_to_channels(user.id, session).await?;
869 }
870
871 if let Some(incoming_call) =
872 self.app_state.db.incoming_call_for_user(user.id).await?
873 {
874 self.peer.send(connection_id, incoming_call)?;
875 }
876
877 update_user_contacts(user.id, session).await?;
878 }
879 }
880
881 Ok(())
882 }
883
884 pub async fn invite_code_redeemed(
885 self: &Arc<Self>,
886 inviter_id: UserId,
887 invitee_id: UserId,
888 ) -> Result<()> {
889 if let Some(user) = self.app_state.db.get_user_by_id(inviter_id).await? {
890 if let Some(code) = &user.invite_code {
891 let pool = self.connection_pool.lock();
892 let invitee_contact = contact_for_user(invitee_id, false, &pool);
893 for connection_id in pool.user_connection_ids(inviter_id) {
894 self.peer.send(
895 connection_id,
896 proto::UpdateContacts {
897 contacts: vec![invitee_contact.clone()],
898 ..Default::default()
899 },
900 )?;
901 self.peer.send(
902 connection_id,
903 proto::UpdateInviteInfo {
904 url: format!("{}{}", self.app_state.config.invite_link_prefix, &code),
905 count: user.invite_count as u32,
906 },
907 )?;
908 }
909 }
910 }
911 Ok(())
912 }
913
914 pub async fn invite_count_updated(self: &Arc<Self>, user_id: UserId) -> Result<()> {
915 if let Some(user) = self.app_state.db.get_user_by_id(user_id).await? {
916 if let Some(invite_code) = &user.invite_code {
917 let pool = self.connection_pool.lock();
918 for connection_id in pool.user_connection_ids(user_id) {
919 self.peer.send(
920 connection_id,
921 proto::UpdateInviteInfo {
922 url: format!(
923 "{}{}",
924 self.app_state.config.invite_link_prefix, invite_code
925 ),
926 count: user.invite_count as u32,
927 },
928 )?;
929 }
930 }
931 }
932 Ok(())
933 }
934
935 pub async fn update_plan_for_user(self: &Arc<Self>, user_id: UserId) -> Result<()> {
936 let user = self
937 .app_state
938 .db
939 .get_user_by_id(user_id)
940 .await?
941 .context("user not found")?;
942
943 let update_user_plan = make_update_user_plan_message(
944 &self.app_state.db,
945 self.app_state.llm_db.clone(),
946 user_id,
947 user.admin,
948 )
949 .await?;
950
951 let pool = self.connection_pool.lock();
952 for connection_id in pool.user_connection_ids(user_id) {
953 self.peer
954 .send(connection_id, update_user_plan.clone())
955 .trace_err();
956 }
957
958 Ok(())
959 }
960
961 pub async fn refresh_llm_tokens_for_user(self: &Arc<Self>, user_id: UserId) {
962 let pool = self.connection_pool.lock();
963 for connection_id in pool.user_connection_ids(user_id) {
964 self.peer
965 .send(connection_id, proto::RefreshLlmToken {})
966 .trace_err();
967 }
968 }
969
970 pub async fn snapshot(self: &Arc<Self>) -> ServerSnapshot {
971 ServerSnapshot {
972 connection_pool: ConnectionPoolGuard {
973 guard: self.connection_pool.lock(),
974 _not_send: PhantomData,
975 },
976 peer: &self.peer,
977 }
978 }
979}
980
981impl Deref for ConnectionPoolGuard<'_> {
982 type Target = ConnectionPool;
983
984 fn deref(&self) -> &Self::Target {
985 &self.guard
986 }
987}
988
989impl DerefMut for ConnectionPoolGuard<'_> {
990 fn deref_mut(&mut self) -> &mut Self::Target {
991 &mut self.guard
992 }
993}
994
995impl Drop for ConnectionPoolGuard<'_> {
996 fn drop(&mut self) {
997 #[cfg(test)]
998 self.check_invariants();
999 }
1000}
1001
1002fn broadcast<F>(
1003 sender_id: Option<ConnectionId>,
1004 receiver_ids: impl IntoIterator<Item = ConnectionId>,
1005 mut f: F,
1006) where
1007 F: FnMut(ConnectionId) -> anyhow::Result<()>,
1008{
1009 for receiver_id in receiver_ids {
1010 if Some(receiver_id) != sender_id {
1011 if let Err(error) = f(receiver_id) {
1012 tracing::error!("failed to send to {:?} {}", receiver_id, error);
1013 }
1014 }
1015 }
1016}
1017
1018pub struct ProtocolVersion(u32);
1019
1020impl Header for ProtocolVersion {
1021 fn name() -> &'static HeaderName {
1022 static ZED_PROTOCOL_VERSION: OnceLock<HeaderName> = OnceLock::new();
1023 ZED_PROTOCOL_VERSION.get_or_init(|| HeaderName::from_static("x-zed-protocol-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 struct AppVersionHeader(SemanticVersion);
1047impl Header for AppVersionHeader {
1048 fn name() -> &'static HeaderName {
1049 static ZED_APP_VERSION: OnceLock<HeaderName> = OnceLock::new();
1050 ZED_APP_VERSION.get_or_init(|| HeaderName::from_static("x-zed-app-version"))
1051 }
1052
1053 fn decode<'i, I>(values: &mut I) -> Result<Self, axum::headers::Error>
1054 where
1055 Self: Sized,
1056 I: Iterator<Item = &'i axum::http::HeaderValue>,
1057 {
1058 let version = values
1059 .next()
1060 .ok_or_else(axum::headers::Error::invalid)?
1061 .to_str()
1062 .map_err(|_| axum::headers::Error::invalid())?
1063 .parse()
1064 .map_err(|_| axum::headers::Error::invalid())?;
1065 Ok(Self(version))
1066 }
1067
1068 fn encode<E: Extend<axum::http::HeaderValue>>(&self, values: &mut E) {
1069 values.extend([self.0.to_string().parse().unwrap()]);
1070 }
1071}
1072
1073pub fn routes(server: Arc<Server>) -> Router<(), Body> {
1074 Router::new()
1075 .route("/rpc", get(handle_websocket_request))
1076 .layer(
1077 ServiceBuilder::new()
1078 .layer(Extension(server.app_state.clone()))
1079 .layer(middleware::from_fn(auth::validate_header)),
1080 )
1081 .route("/metrics", get(handle_metrics))
1082 .layer(Extension(server))
1083}
1084
1085pub async fn handle_websocket_request(
1086 TypedHeader(ProtocolVersion(protocol_version)): TypedHeader<ProtocolVersion>,
1087 app_version_header: Option<TypedHeader<AppVersionHeader>>,
1088 ConnectInfo(socket_address): ConnectInfo<SocketAddr>,
1089 Extension(server): Extension<Arc<Server>>,
1090 Extension(principal): Extension<Principal>,
1091 country_code_header: Option<TypedHeader<CloudflareIpCountryHeader>>,
1092 system_id_header: Option<TypedHeader<SystemIdHeader>>,
1093 ws: WebSocketUpgrade,
1094) -> axum::response::Response {
1095 if protocol_version != rpc::PROTOCOL_VERSION {
1096 return (
1097 StatusCode::UPGRADE_REQUIRED,
1098 "client must be upgraded".to_string(),
1099 )
1100 .into_response();
1101 }
1102
1103 let Some(version) = app_version_header.map(|header| ZedVersion(header.0.0)) else {
1104 return (
1105 StatusCode::UPGRADE_REQUIRED,
1106 "no version header found".to_string(),
1107 )
1108 .into_response();
1109 };
1110
1111 if !version.can_collaborate() {
1112 return (
1113 StatusCode::UPGRADE_REQUIRED,
1114 "client must be upgraded".to_string(),
1115 )
1116 .into_response();
1117 }
1118
1119 let socket_address = socket_address.to_string();
1120 ws.on_upgrade(move |socket| {
1121 let socket = socket
1122 .map_ok(to_tungstenite_message)
1123 .err_into()
1124 .with(|message| async move { to_axum_message(message) });
1125 let connection = Connection::new(Box::pin(socket));
1126 async move {
1127 server
1128 .handle_connection(
1129 connection,
1130 socket_address,
1131 principal,
1132 version,
1133 country_code_header.map(|header| header.to_string()),
1134 system_id_header.map(|header| header.to_string()),
1135 None,
1136 Executor::Production,
1137 )
1138 .await;
1139 }
1140 })
1141}
1142
1143pub async fn handle_metrics(Extension(server): Extension<Arc<Server>>) -> Result<String> {
1144 static CONNECTIONS_METRIC: OnceLock<IntGauge> = OnceLock::new();
1145 let connections_metric = CONNECTIONS_METRIC
1146 .get_or_init(|| register_int_gauge!("connections", "number of connections").unwrap());
1147
1148 let connections = server
1149 .connection_pool
1150 .lock()
1151 .connections()
1152 .filter(|connection| !connection.admin)
1153 .count();
1154 connections_metric.set(connections as _);
1155
1156 static SHARED_PROJECTS_METRIC: OnceLock<IntGauge> = OnceLock::new();
1157 let shared_projects_metric = SHARED_PROJECTS_METRIC.get_or_init(|| {
1158 register_int_gauge!(
1159 "shared_projects",
1160 "number of open projects with one or more guests"
1161 )
1162 .unwrap()
1163 });
1164
1165 let shared_projects = server.app_state.db.project_count_excluding_admins().await?;
1166 shared_projects_metric.set(shared_projects as _);
1167
1168 let encoder = prometheus::TextEncoder::new();
1169 let metric_families = prometheus::gather();
1170 let encoded_metrics = encoder
1171 .encode_to_string(&metric_families)
1172 .map_err(|err| anyhow!("{err}"))?;
1173 Ok(encoded_metrics)
1174}
1175
1176#[instrument(err, skip(executor))]
1177async fn connection_lost(
1178 session: Session,
1179 mut teardown: watch::Receiver<bool>,
1180 executor: Executor,
1181) -> Result<()> {
1182 session.peer.disconnect(session.connection_id);
1183 session
1184 .connection_pool()
1185 .await
1186 .remove_connection(session.connection_id)?;
1187
1188 session
1189 .db()
1190 .await
1191 .connection_lost(session.connection_id)
1192 .await
1193 .trace_err();
1194
1195 futures::select_biased! {
1196 _ = executor.sleep(RECONNECT_TIMEOUT).fuse() => {
1197
1198 log::info!("connection lost, removing all resources for user:{}, connection:{:?}", session.user_id(), session.connection_id);
1199 leave_room_for_session(&session, session.connection_id).await.trace_err();
1200 leave_channel_buffers_for_session(&session)
1201 .await
1202 .trace_err();
1203
1204 if !session
1205 .connection_pool()
1206 .await
1207 .is_user_online(session.user_id())
1208 {
1209 let db = session.db().await;
1210 if let Some(room) = db.decline_call(None, session.user_id()).await.trace_err().flatten() {
1211 room_updated(&room, &session.peer);
1212 }
1213 }
1214
1215 update_user_contacts(session.user_id(), &session).await?;
1216 },
1217 _ = teardown.changed().fuse() => {}
1218 }
1219
1220 Ok(())
1221}
1222
1223/// Acknowledges a ping from a client, used to keep the connection alive.
1224async fn ping(_: proto::Ping, response: Response<proto::Ping>, _session: Session) -> Result<()> {
1225 response.send(proto::Ack {})?;
1226 Ok(())
1227}
1228
1229/// Creates a new room for calling (outside of channels)
1230async fn create_room(
1231 _request: proto::CreateRoom,
1232 response: Response<proto::CreateRoom>,
1233 session: Session,
1234) -> Result<()> {
1235 let livekit_room = nanoid::nanoid!(30);
1236
1237 let live_kit_connection_info = util::maybe!(async {
1238 let live_kit = session.app_state.livekit_client.as_ref();
1239 let live_kit = live_kit?;
1240 let user_id = session.user_id().to_string();
1241
1242 let token = live_kit
1243 .room_token(&livekit_room, &user_id.to_string())
1244 .trace_err()?;
1245
1246 Some(proto::LiveKitConnectionInfo {
1247 server_url: live_kit.url().into(),
1248 token,
1249 can_publish: true,
1250 })
1251 })
1252 .await;
1253
1254 let room = session
1255 .db()
1256 .await
1257 .create_room(session.user_id(), session.connection_id, &livekit_room)
1258 .await?;
1259
1260 response.send(proto::CreateRoomResponse {
1261 room: Some(room.clone()),
1262 live_kit_connection_info,
1263 })?;
1264
1265 update_user_contacts(session.user_id(), &session).await?;
1266 Ok(())
1267}
1268
1269/// Join a room from an invitation. Equivalent to joining a channel if there is one.
1270async fn join_room(
1271 request: proto::JoinRoom,
1272 response: Response<proto::JoinRoom>,
1273 session: Session,
1274) -> Result<()> {
1275 let room_id = RoomId::from_proto(request.id);
1276
1277 let channel_id = session.db().await.channel_id_for_room(room_id).await?;
1278
1279 if let Some(channel_id) = channel_id {
1280 return join_channel_internal(channel_id, Box::new(response), session).await;
1281 }
1282
1283 let joined_room = {
1284 let room = session
1285 .db()
1286 .await
1287 .join_room(room_id, session.user_id(), session.connection_id)
1288 .await?;
1289 room_updated(&room.room, &session.peer);
1290 room.into_inner()
1291 };
1292
1293 for connection_id in session
1294 .connection_pool()
1295 .await
1296 .user_connection_ids(session.user_id())
1297 {
1298 session
1299 .peer
1300 .send(
1301 connection_id,
1302 proto::CallCanceled {
1303 room_id: room_id.to_proto(),
1304 },
1305 )
1306 .trace_err();
1307 }
1308
1309 let live_kit_connection_info = if let Some(live_kit) = session.app_state.livekit_client.as_ref()
1310 {
1311 live_kit
1312 .room_token(
1313 &joined_room.room.livekit_room,
1314 &session.user_id().to_string(),
1315 )
1316 .trace_err()
1317 .map(|token| proto::LiveKitConnectionInfo {
1318 server_url: live_kit.url().into(),
1319 token,
1320 can_publish: true,
1321 })
1322 } else {
1323 None
1324 };
1325
1326 response.send(proto::JoinRoomResponse {
1327 room: Some(joined_room.room),
1328 channel_id: None,
1329 live_kit_connection_info,
1330 })?;
1331
1332 update_user_contacts(session.user_id(), &session).await?;
1333 Ok(())
1334}
1335
1336/// Rejoin room is used to reconnect to a room after connection errors.
1337async fn rejoin_room(
1338 request: proto::RejoinRoom,
1339 response: Response<proto::RejoinRoom>,
1340 session: Session,
1341) -> Result<()> {
1342 let room;
1343 let channel;
1344 {
1345 let mut rejoined_room = session
1346 .db()
1347 .await
1348 .rejoin_room(request, session.user_id(), session.connection_id)
1349 .await?;
1350
1351 response.send(proto::RejoinRoomResponse {
1352 room: Some(rejoined_room.room.clone()),
1353 reshared_projects: rejoined_room
1354 .reshared_projects
1355 .iter()
1356 .map(|project| proto::ResharedProject {
1357 id: project.id.to_proto(),
1358 collaborators: project
1359 .collaborators
1360 .iter()
1361 .map(|collaborator| collaborator.to_proto())
1362 .collect(),
1363 })
1364 .collect(),
1365 rejoined_projects: rejoined_room
1366 .rejoined_projects
1367 .iter()
1368 .map(|rejoined_project| rejoined_project.to_proto())
1369 .collect(),
1370 })?;
1371 room_updated(&rejoined_room.room, &session.peer);
1372
1373 for project in &rejoined_room.reshared_projects {
1374 for collaborator in &project.collaborators {
1375 session
1376 .peer
1377 .send(
1378 collaborator.connection_id,
1379 proto::UpdateProjectCollaborator {
1380 project_id: project.id.to_proto(),
1381 old_peer_id: Some(project.old_connection_id.into()),
1382 new_peer_id: Some(session.connection_id.into()),
1383 },
1384 )
1385 .trace_err();
1386 }
1387
1388 broadcast(
1389 Some(session.connection_id),
1390 project
1391 .collaborators
1392 .iter()
1393 .map(|collaborator| collaborator.connection_id),
1394 |connection_id| {
1395 session.peer.forward_send(
1396 session.connection_id,
1397 connection_id,
1398 proto::UpdateProject {
1399 project_id: project.id.to_proto(),
1400 worktrees: project.worktrees.clone(),
1401 },
1402 )
1403 },
1404 );
1405 }
1406
1407 notify_rejoined_projects(&mut rejoined_room.rejoined_projects, &session)?;
1408
1409 let rejoined_room = rejoined_room.into_inner();
1410
1411 room = rejoined_room.room;
1412 channel = rejoined_room.channel;
1413 }
1414
1415 if let Some(channel) = channel {
1416 channel_updated(
1417 &channel,
1418 &room,
1419 &session.peer,
1420 &*session.connection_pool().await,
1421 );
1422 }
1423
1424 update_user_contacts(session.user_id(), &session).await?;
1425 Ok(())
1426}
1427
1428fn notify_rejoined_projects(
1429 rejoined_projects: &mut Vec<RejoinedProject>,
1430 session: &Session,
1431) -> Result<()> {
1432 for project in rejoined_projects.iter() {
1433 for collaborator in &project.collaborators {
1434 session
1435 .peer
1436 .send(
1437 collaborator.connection_id,
1438 proto::UpdateProjectCollaborator {
1439 project_id: project.id.to_proto(),
1440 old_peer_id: Some(project.old_connection_id.into()),
1441 new_peer_id: Some(session.connection_id.into()),
1442 },
1443 )
1444 .trace_err();
1445 }
1446 }
1447
1448 for project in rejoined_projects {
1449 for worktree in mem::take(&mut project.worktrees) {
1450 // Stream this worktree's entries.
1451 let message = proto::UpdateWorktree {
1452 project_id: project.id.to_proto(),
1453 worktree_id: worktree.id,
1454 abs_path: worktree.abs_path.clone(),
1455 root_name: worktree.root_name,
1456 updated_entries: worktree.updated_entries,
1457 removed_entries: worktree.removed_entries,
1458 scan_id: worktree.scan_id,
1459 is_last_update: worktree.completed_scan_id == worktree.scan_id,
1460 updated_repositories: worktree.updated_repositories,
1461 removed_repositories: worktree.removed_repositories,
1462 };
1463 for update in proto::split_worktree_update(message) {
1464 session.peer.send(session.connection_id, update)?;
1465 }
1466
1467 // Stream this worktree's diagnostics.
1468 for summary in worktree.diagnostic_summaries {
1469 session.peer.send(
1470 session.connection_id,
1471 proto::UpdateDiagnosticSummary {
1472 project_id: project.id.to_proto(),
1473 worktree_id: worktree.id,
1474 summary: Some(summary),
1475 },
1476 )?;
1477 }
1478
1479 for settings_file in worktree.settings_files {
1480 session.peer.send(
1481 session.connection_id,
1482 proto::UpdateWorktreeSettings {
1483 project_id: project.id.to_proto(),
1484 worktree_id: worktree.id,
1485 path: settings_file.path,
1486 content: Some(settings_file.content),
1487 kind: Some(settings_file.kind.to_proto().into()),
1488 },
1489 )?;
1490 }
1491 }
1492
1493 for repository in mem::take(&mut project.updated_repositories) {
1494 for update in split_repository_update(repository) {
1495 session.peer.send(session.connection_id, update)?;
1496 }
1497 }
1498
1499 for id in mem::take(&mut project.removed_repositories) {
1500 session.peer.send(
1501 session.connection_id,
1502 proto::RemoveRepository {
1503 project_id: project.id.to_proto(),
1504 id,
1505 },
1506 )?;
1507 }
1508 }
1509
1510 Ok(())
1511}
1512
1513/// leave room disconnects from the room.
1514async fn leave_room(
1515 _: proto::LeaveRoom,
1516 response: Response<proto::LeaveRoom>,
1517 session: Session,
1518) -> Result<()> {
1519 leave_room_for_session(&session, session.connection_id).await?;
1520 response.send(proto::Ack {})?;
1521 Ok(())
1522}
1523
1524/// Updates the permissions of someone else in the room.
1525async fn set_room_participant_role(
1526 request: proto::SetRoomParticipantRole,
1527 response: Response<proto::SetRoomParticipantRole>,
1528 session: Session,
1529) -> Result<()> {
1530 let user_id = UserId::from_proto(request.user_id);
1531 let role = ChannelRole::from(request.role());
1532
1533 let (livekit_room, can_publish) = {
1534 let room = session
1535 .db()
1536 .await
1537 .set_room_participant_role(
1538 session.user_id(),
1539 RoomId::from_proto(request.room_id),
1540 user_id,
1541 role,
1542 )
1543 .await?;
1544
1545 let livekit_room = room.livekit_room.clone();
1546 let can_publish = ChannelRole::from(request.role()).can_use_microphone();
1547 room_updated(&room, &session.peer);
1548 (livekit_room, can_publish)
1549 };
1550
1551 if let Some(live_kit) = session.app_state.livekit_client.as_ref() {
1552 live_kit
1553 .update_participant(
1554 livekit_room.clone(),
1555 request.user_id.to_string(),
1556 livekit_api::proto::ParticipantPermission {
1557 can_subscribe: true,
1558 can_publish,
1559 can_publish_data: can_publish,
1560 hidden: false,
1561 recorder: false,
1562 },
1563 )
1564 .await
1565 .trace_err();
1566 }
1567
1568 response.send(proto::Ack {})?;
1569 Ok(())
1570}
1571
1572/// Call someone else into the current room
1573async fn call(
1574 request: proto::Call,
1575 response: Response<proto::Call>,
1576 session: Session,
1577) -> Result<()> {
1578 let room_id = RoomId::from_proto(request.room_id);
1579 let calling_user_id = session.user_id();
1580 let calling_connection_id = session.connection_id;
1581 let called_user_id = UserId::from_proto(request.called_user_id);
1582 let initial_project_id = request.initial_project_id.map(ProjectId::from_proto);
1583 if !session
1584 .db()
1585 .await
1586 .has_contact(calling_user_id, called_user_id)
1587 .await?
1588 {
1589 return Err(anyhow!("cannot call a user who isn't a contact"))?;
1590 }
1591
1592 let incoming_call = {
1593 let (room, incoming_call) = &mut *session
1594 .db()
1595 .await
1596 .call(
1597 room_id,
1598 calling_user_id,
1599 calling_connection_id,
1600 called_user_id,
1601 initial_project_id,
1602 )
1603 .await?;
1604 room_updated(room, &session.peer);
1605 mem::take(incoming_call)
1606 };
1607 update_user_contacts(called_user_id, &session).await?;
1608
1609 let mut calls = session
1610 .connection_pool()
1611 .await
1612 .user_connection_ids(called_user_id)
1613 .map(|connection_id| session.peer.request(connection_id, incoming_call.clone()))
1614 .collect::<FuturesUnordered<_>>();
1615
1616 while let Some(call_response) = calls.next().await {
1617 match call_response.as_ref() {
1618 Ok(_) => {
1619 response.send(proto::Ack {})?;
1620 return Ok(());
1621 }
1622 Err(_) => {
1623 call_response.trace_err();
1624 }
1625 }
1626 }
1627
1628 {
1629 let room = session
1630 .db()
1631 .await
1632 .call_failed(room_id, called_user_id)
1633 .await?;
1634 room_updated(&room, &session.peer);
1635 }
1636 update_user_contacts(called_user_id, &session).await?;
1637
1638 Err(anyhow!("failed to ring user"))?
1639}
1640
1641/// Cancel an outgoing call.
1642async fn cancel_call(
1643 request: proto::CancelCall,
1644 response: Response<proto::CancelCall>,
1645 session: Session,
1646) -> Result<()> {
1647 let called_user_id = UserId::from_proto(request.called_user_id);
1648 let room_id = RoomId::from_proto(request.room_id);
1649 {
1650 let room = session
1651 .db()
1652 .await
1653 .cancel_call(room_id, session.connection_id, called_user_id)
1654 .await?;
1655 room_updated(&room, &session.peer);
1656 }
1657
1658 for connection_id in session
1659 .connection_pool()
1660 .await
1661 .user_connection_ids(called_user_id)
1662 {
1663 session
1664 .peer
1665 .send(
1666 connection_id,
1667 proto::CallCanceled {
1668 room_id: room_id.to_proto(),
1669 },
1670 )
1671 .trace_err();
1672 }
1673 response.send(proto::Ack {})?;
1674
1675 update_user_contacts(called_user_id, &session).await?;
1676 Ok(())
1677}
1678
1679/// Decline an incoming call.
1680async fn decline_call(message: proto::DeclineCall, session: Session) -> Result<()> {
1681 let room_id = RoomId::from_proto(message.room_id);
1682 {
1683 let room = session
1684 .db()
1685 .await
1686 .decline_call(Some(room_id), session.user_id())
1687 .await?
1688 .context("declining call")?;
1689 room_updated(&room, &session.peer);
1690 }
1691
1692 for connection_id in session
1693 .connection_pool()
1694 .await
1695 .user_connection_ids(session.user_id())
1696 {
1697 session
1698 .peer
1699 .send(
1700 connection_id,
1701 proto::CallCanceled {
1702 room_id: room_id.to_proto(),
1703 },
1704 )
1705 .trace_err();
1706 }
1707 update_user_contacts(session.user_id(), &session).await?;
1708 Ok(())
1709}
1710
1711/// Updates other participants in the room with your current location.
1712async fn update_participant_location(
1713 request: proto::UpdateParticipantLocation,
1714 response: Response<proto::UpdateParticipantLocation>,
1715 session: Session,
1716) -> Result<()> {
1717 let room_id = RoomId::from_proto(request.room_id);
1718 let location = request.location.context("invalid location")?;
1719
1720 let db = session.db().await;
1721 let room = db
1722 .update_room_participant_location(room_id, session.connection_id, location)
1723 .await?;
1724
1725 room_updated(&room, &session.peer);
1726 response.send(proto::Ack {})?;
1727 Ok(())
1728}
1729
1730/// Share a project into the room.
1731async fn share_project(
1732 request: proto::ShareProject,
1733 response: Response<proto::ShareProject>,
1734 session: Session,
1735) -> Result<()> {
1736 let (project_id, room) = &*session
1737 .db()
1738 .await
1739 .share_project(
1740 RoomId::from_proto(request.room_id),
1741 session.connection_id,
1742 &request.worktrees,
1743 request.is_ssh_project,
1744 )
1745 .await?;
1746 response.send(proto::ShareProjectResponse {
1747 project_id: project_id.to_proto(),
1748 })?;
1749 room_updated(room, &session.peer);
1750
1751 Ok(())
1752}
1753
1754/// Unshare a project from the room.
1755async fn unshare_project(message: proto::UnshareProject, session: Session) -> Result<()> {
1756 let project_id = ProjectId::from_proto(message.project_id);
1757 unshare_project_internal(project_id, session.connection_id, &session).await
1758}
1759
1760async fn unshare_project_internal(
1761 project_id: ProjectId,
1762 connection_id: ConnectionId,
1763 session: &Session,
1764) -> Result<()> {
1765 let delete = {
1766 let room_guard = session
1767 .db()
1768 .await
1769 .unshare_project(project_id, connection_id)
1770 .await?;
1771
1772 let (delete, room, guest_connection_ids) = &*room_guard;
1773
1774 let message = proto::UnshareProject {
1775 project_id: project_id.to_proto(),
1776 };
1777
1778 broadcast(
1779 Some(connection_id),
1780 guest_connection_ids.iter().copied(),
1781 |conn_id| session.peer.send(conn_id, message.clone()),
1782 );
1783 if let Some(room) = room {
1784 room_updated(room, &session.peer);
1785 }
1786
1787 *delete
1788 };
1789
1790 if delete {
1791 let db = session.db().await;
1792 db.delete_project(project_id).await?;
1793 }
1794
1795 Ok(())
1796}
1797
1798/// Join someone elses shared project.
1799async fn join_project(
1800 request: proto::JoinProject,
1801 response: Response<proto::JoinProject>,
1802 session: Session,
1803) -> Result<()> {
1804 let project_id = ProjectId::from_proto(request.project_id);
1805
1806 tracing::info!(%project_id, "join project");
1807
1808 let db = session.db().await;
1809 let (project, replica_id) = &mut *db
1810 .join_project(project_id, session.connection_id, session.user_id())
1811 .await?;
1812 drop(db);
1813 tracing::info!(%project_id, "join remote project");
1814 join_project_internal(response, session, project, replica_id)
1815}
1816
1817trait JoinProjectInternalResponse {
1818 fn send(self, result: proto::JoinProjectResponse) -> Result<()>;
1819}
1820impl JoinProjectInternalResponse for Response<proto::JoinProject> {
1821 fn send(self, result: proto::JoinProjectResponse) -> Result<()> {
1822 Response::<proto::JoinProject>::send(self, result)
1823 }
1824}
1825
1826fn join_project_internal(
1827 response: impl JoinProjectInternalResponse,
1828 session: Session,
1829 project: &mut Project,
1830 replica_id: &ReplicaId,
1831) -> Result<()> {
1832 let collaborators = project
1833 .collaborators
1834 .iter()
1835 .filter(|collaborator| collaborator.connection_id != session.connection_id)
1836 .map(|collaborator| collaborator.to_proto())
1837 .collect::<Vec<_>>();
1838 let project_id = project.id;
1839 let guest_user_id = session.user_id();
1840
1841 let worktrees = project
1842 .worktrees
1843 .iter()
1844 .map(|(id, worktree)| proto::WorktreeMetadata {
1845 id: *id,
1846 root_name: worktree.root_name.clone(),
1847 visible: worktree.visible,
1848 abs_path: worktree.abs_path.clone(),
1849 })
1850 .collect::<Vec<_>>();
1851
1852 let add_project_collaborator = proto::AddProjectCollaborator {
1853 project_id: project_id.to_proto(),
1854 collaborator: Some(proto::Collaborator {
1855 peer_id: Some(session.connection_id.into()),
1856 replica_id: replica_id.0 as u32,
1857 user_id: guest_user_id.to_proto(),
1858 is_host: false,
1859 }),
1860 };
1861
1862 for collaborator in &collaborators {
1863 session
1864 .peer
1865 .send(
1866 collaborator.peer_id.unwrap().into(),
1867 add_project_collaborator.clone(),
1868 )
1869 .trace_err();
1870 }
1871
1872 // First, we send the metadata associated with each worktree.
1873 response.send(proto::JoinProjectResponse {
1874 project_id: project.id.0 as u64,
1875 worktrees: worktrees.clone(),
1876 replica_id: replica_id.0 as u32,
1877 collaborators: collaborators.clone(),
1878 language_servers: project.language_servers.clone(),
1879 role: project.role.into(),
1880 })?;
1881
1882 for (worktree_id, worktree) in mem::take(&mut project.worktrees) {
1883 // Stream this worktree's entries.
1884 let message = proto::UpdateWorktree {
1885 project_id: project_id.to_proto(),
1886 worktree_id,
1887 abs_path: worktree.abs_path.clone(),
1888 root_name: worktree.root_name,
1889 updated_entries: worktree.entries,
1890 removed_entries: Default::default(),
1891 scan_id: worktree.scan_id,
1892 is_last_update: worktree.scan_id == worktree.completed_scan_id,
1893 updated_repositories: worktree.legacy_repository_entries.into_values().collect(),
1894 removed_repositories: Default::default(),
1895 };
1896 for update in proto::split_worktree_update(message) {
1897 session.peer.send(session.connection_id, update.clone())?;
1898 }
1899
1900 // Stream this worktree's diagnostics.
1901 for summary in worktree.diagnostic_summaries {
1902 session.peer.send(
1903 session.connection_id,
1904 proto::UpdateDiagnosticSummary {
1905 project_id: project_id.to_proto(),
1906 worktree_id: worktree.id,
1907 summary: Some(summary),
1908 },
1909 )?;
1910 }
1911
1912 for settings_file in worktree.settings_files {
1913 session.peer.send(
1914 session.connection_id,
1915 proto::UpdateWorktreeSettings {
1916 project_id: project_id.to_proto(),
1917 worktree_id: worktree.id,
1918 path: settings_file.path,
1919 content: Some(settings_file.content),
1920 kind: Some(settings_file.kind.to_proto() as i32),
1921 },
1922 )?;
1923 }
1924 }
1925
1926 for repository in mem::take(&mut project.repositories) {
1927 for update in split_repository_update(repository) {
1928 session.peer.send(session.connection_id, update)?;
1929 }
1930 }
1931
1932 for language_server in &project.language_servers {
1933 session.peer.send(
1934 session.connection_id,
1935 proto::UpdateLanguageServer {
1936 project_id: project_id.to_proto(),
1937 language_server_id: language_server.id,
1938 variant: Some(
1939 proto::update_language_server::Variant::DiskBasedDiagnosticsUpdated(
1940 proto::LspDiskBasedDiagnosticsUpdated {},
1941 ),
1942 ),
1943 },
1944 )?;
1945 }
1946
1947 Ok(())
1948}
1949
1950/// Leave someone elses shared project.
1951async fn leave_project(request: proto::LeaveProject, session: Session) -> Result<()> {
1952 let sender_id = session.connection_id;
1953 let project_id = ProjectId::from_proto(request.project_id);
1954 let db = session.db().await;
1955
1956 let (room, project) = &*db.leave_project(project_id, sender_id).await?;
1957 tracing::info!(
1958 %project_id,
1959 "leave project"
1960 );
1961
1962 project_left(project, &session);
1963 if let Some(room) = room {
1964 room_updated(room, &session.peer);
1965 }
1966
1967 Ok(())
1968}
1969
1970/// Updates other participants with changes to the project
1971async fn update_project(
1972 request: proto::UpdateProject,
1973 response: Response<proto::UpdateProject>,
1974 session: Session,
1975) -> Result<()> {
1976 let project_id = ProjectId::from_proto(request.project_id);
1977 let (room, guest_connection_ids) = &*session
1978 .db()
1979 .await
1980 .update_project(project_id, session.connection_id, &request.worktrees)
1981 .await?;
1982 broadcast(
1983 Some(session.connection_id),
1984 guest_connection_ids.iter().copied(),
1985 |connection_id| {
1986 session
1987 .peer
1988 .forward_send(session.connection_id, connection_id, request.clone())
1989 },
1990 );
1991 if let Some(room) = room {
1992 room_updated(room, &session.peer);
1993 }
1994 response.send(proto::Ack {})?;
1995
1996 Ok(())
1997}
1998
1999/// Updates other participants with changes to the worktree
2000async fn update_worktree(
2001 request: proto::UpdateWorktree,
2002 response: Response<proto::UpdateWorktree>,
2003 session: Session,
2004) -> Result<()> {
2005 let guest_connection_ids = session
2006 .db()
2007 .await
2008 .update_worktree(&request, session.connection_id)
2009 .await?;
2010
2011 broadcast(
2012 Some(session.connection_id),
2013 guest_connection_ids.iter().copied(),
2014 |connection_id| {
2015 session
2016 .peer
2017 .forward_send(session.connection_id, connection_id, request.clone())
2018 },
2019 );
2020 response.send(proto::Ack {})?;
2021 Ok(())
2022}
2023
2024async fn update_repository(
2025 request: proto::UpdateRepository,
2026 response: Response<proto::UpdateRepository>,
2027 session: Session,
2028) -> Result<()> {
2029 let guest_connection_ids = session
2030 .db()
2031 .await
2032 .update_repository(&request, session.connection_id)
2033 .await?;
2034
2035 broadcast(
2036 Some(session.connection_id),
2037 guest_connection_ids.iter().copied(),
2038 |connection_id| {
2039 session
2040 .peer
2041 .forward_send(session.connection_id, connection_id, request.clone())
2042 },
2043 );
2044 response.send(proto::Ack {})?;
2045 Ok(())
2046}
2047
2048async fn remove_repository(
2049 request: proto::RemoveRepository,
2050 response: Response<proto::RemoveRepository>,
2051 session: Session,
2052) -> Result<()> {
2053 let guest_connection_ids = session
2054 .db()
2055 .await
2056 .remove_repository(&request, session.connection_id)
2057 .await?;
2058
2059 broadcast(
2060 Some(session.connection_id),
2061 guest_connection_ids.iter().copied(),
2062 |connection_id| {
2063 session
2064 .peer
2065 .forward_send(session.connection_id, connection_id, request.clone())
2066 },
2067 );
2068 response.send(proto::Ack {})?;
2069 Ok(())
2070}
2071
2072/// Updates other participants with changes to the diagnostics
2073async fn update_diagnostic_summary(
2074 message: proto::UpdateDiagnosticSummary,
2075 session: Session,
2076) -> Result<()> {
2077 let guest_connection_ids = session
2078 .db()
2079 .await
2080 .update_diagnostic_summary(&message, session.connection_id)
2081 .await?;
2082
2083 broadcast(
2084 Some(session.connection_id),
2085 guest_connection_ids.iter().copied(),
2086 |connection_id| {
2087 session
2088 .peer
2089 .forward_send(session.connection_id, connection_id, message.clone())
2090 },
2091 );
2092
2093 Ok(())
2094}
2095
2096/// Updates other participants with changes to the worktree settings
2097async fn update_worktree_settings(
2098 message: proto::UpdateWorktreeSettings,
2099 session: Session,
2100) -> Result<()> {
2101 let guest_connection_ids = session
2102 .db()
2103 .await
2104 .update_worktree_settings(&message, session.connection_id)
2105 .await?;
2106
2107 broadcast(
2108 Some(session.connection_id),
2109 guest_connection_ids.iter().copied(),
2110 |connection_id| {
2111 session
2112 .peer
2113 .forward_send(session.connection_id, connection_id, message.clone())
2114 },
2115 );
2116
2117 Ok(())
2118}
2119
2120/// Notify other participants that a language server has started.
2121async fn start_language_server(
2122 request: proto::StartLanguageServer,
2123 session: Session,
2124) -> Result<()> {
2125 let guest_connection_ids = session
2126 .db()
2127 .await
2128 .start_language_server(&request, session.connection_id)
2129 .await?;
2130
2131 broadcast(
2132 Some(session.connection_id),
2133 guest_connection_ids.iter().copied(),
2134 |connection_id| {
2135 session
2136 .peer
2137 .forward_send(session.connection_id, connection_id, request.clone())
2138 },
2139 );
2140 Ok(())
2141}
2142
2143/// Notify other participants that a language server has changed.
2144async fn update_language_server(
2145 request: proto::UpdateLanguageServer,
2146 session: Session,
2147) -> Result<()> {
2148 let project_id = ProjectId::from_proto(request.project_id);
2149 let project_connection_ids = session
2150 .db()
2151 .await
2152 .project_connection_ids(project_id, session.connection_id, true)
2153 .await?;
2154 broadcast(
2155 Some(session.connection_id),
2156 project_connection_ids.iter().copied(),
2157 |connection_id| {
2158 session
2159 .peer
2160 .forward_send(session.connection_id, connection_id, request.clone())
2161 },
2162 );
2163 Ok(())
2164}
2165
2166/// forward a project request to the host. These requests should be read only
2167/// as guests are allowed to send them.
2168async fn forward_read_only_project_request<T>(
2169 request: T,
2170 response: Response<T>,
2171 session: Session,
2172) -> Result<()>
2173where
2174 T: EntityMessage + RequestMessage,
2175{
2176 let project_id = ProjectId::from_proto(request.remote_entity_id());
2177 let host_connection_id = session
2178 .db()
2179 .await
2180 .host_for_read_only_project_request(project_id, session.connection_id)
2181 .await?;
2182 let payload = session
2183 .peer
2184 .forward_request(session.connection_id, host_connection_id, request)
2185 .await?;
2186 response.send(payload)?;
2187 Ok(())
2188}
2189
2190async fn forward_find_search_candidates_request(
2191 request: proto::FindSearchCandidates,
2192 response: Response<proto::FindSearchCandidates>,
2193 session: Session,
2194) -> Result<()> {
2195 let project_id = ProjectId::from_proto(request.remote_entity_id());
2196 let host_connection_id = session
2197 .db()
2198 .await
2199 .host_for_read_only_project_request(project_id, session.connection_id)
2200 .await?;
2201 let payload = session
2202 .peer
2203 .forward_request(session.connection_id, host_connection_id, request)
2204 .await?;
2205 response.send(payload)?;
2206 Ok(())
2207}
2208
2209/// forward a project request to the host. These requests are disallowed
2210/// for guests.
2211async fn forward_mutating_project_request<T>(
2212 request: T,
2213 response: Response<T>,
2214 session: Session,
2215) -> Result<()>
2216where
2217 T: EntityMessage + RequestMessage,
2218{
2219 let project_id = ProjectId::from_proto(request.remote_entity_id());
2220
2221 let host_connection_id = session
2222 .db()
2223 .await
2224 .host_for_mutating_project_request(project_id, session.connection_id)
2225 .await?;
2226 let payload = session
2227 .peer
2228 .forward_request(session.connection_id, host_connection_id, request)
2229 .await?;
2230 response.send(payload)?;
2231 Ok(())
2232}
2233
2234/// Notify other participants that a new buffer has been created
2235async fn create_buffer_for_peer(
2236 request: proto::CreateBufferForPeer,
2237 session: Session,
2238) -> Result<()> {
2239 session
2240 .db()
2241 .await
2242 .check_user_is_project_host(
2243 ProjectId::from_proto(request.project_id),
2244 session.connection_id,
2245 )
2246 .await?;
2247 let peer_id = request.peer_id.context("invalid peer id")?;
2248 session
2249 .peer
2250 .forward_send(session.connection_id, peer_id.into(), request)?;
2251 Ok(())
2252}
2253
2254/// Notify other participants that a buffer has been updated. This is
2255/// allowed for guests as long as the update is limited to selections.
2256async fn update_buffer(
2257 request: proto::UpdateBuffer,
2258 response: Response<proto::UpdateBuffer>,
2259 session: Session,
2260) -> Result<()> {
2261 let project_id = ProjectId::from_proto(request.project_id);
2262 let mut capability = Capability::ReadOnly;
2263
2264 for op in request.operations.iter() {
2265 match op.variant {
2266 None | Some(proto::operation::Variant::UpdateSelections(_)) => {}
2267 Some(_) => capability = Capability::ReadWrite,
2268 }
2269 }
2270
2271 let host = {
2272 let guard = session
2273 .db()
2274 .await
2275 .connections_for_buffer_update(project_id, session.connection_id, capability)
2276 .await?;
2277
2278 let (host, guests) = &*guard;
2279
2280 broadcast(
2281 Some(session.connection_id),
2282 guests.clone(),
2283 |connection_id| {
2284 session
2285 .peer
2286 .forward_send(session.connection_id, connection_id, request.clone())
2287 },
2288 );
2289
2290 *host
2291 };
2292
2293 if host != session.connection_id {
2294 session
2295 .peer
2296 .forward_request(session.connection_id, host, request.clone())
2297 .await?;
2298 }
2299
2300 response.send(proto::Ack {})?;
2301 Ok(())
2302}
2303
2304async fn update_context(message: proto::UpdateContext, session: Session) -> Result<()> {
2305 let project_id = ProjectId::from_proto(message.project_id);
2306
2307 let operation = message.operation.as_ref().context("invalid operation")?;
2308 let capability = match operation.variant.as_ref() {
2309 Some(proto::context_operation::Variant::BufferOperation(buffer_op)) => {
2310 if let Some(buffer_op) = buffer_op.operation.as_ref() {
2311 match buffer_op.variant {
2312 None | Some(proto::operation::Variant::UpdateSelections(_)) => {
2313 Capability::ReadOnly
2314 }
2315 _ => Capability::ReadWrite,
2316 }
2317 } else {
2318 Capability::ReadWrite
2319 }
2320 }
2321 Some(_) => Capability::ReadWrite,
2322 None => Capability::ReadOnly,
2323 };
2324
2325 let guard = session
2326 .db()
2327 .await
2328 .connections_for_buffer_update(project_id, session.connection_id, capability)
2329 .await?;
2330
2331 let (host, guests) = &*guard;
2332
2333 broadcast(
2334 Some(session.connection_id),
2335 guests.iter().chain([host]).copied(),
2336 |connection_id| {
2337 session
2338 .peer
2339 .forward_send(session.connection_id, connection_id, message.clone())
2340 },
2341 );
2342
2343 Ok(())
2344}
2345
2346/// Notify other participants that a project has been updated.
2347async fn broadcast_project_message_from_host<T: EntityMessage<Entity = ShareProject>>(
2348 request: T,
2349 session: Session,
2350) -> Result<()> {
2351 let project_id = ProjectId::from_proto(request.remote_entity_id());
2352 let project_connection_ids = session
2353 .db()
2354 .await
2355 .project_connection_ids(project_id, session.connection_id, false)
2356 .await?;
2357
2358 broadcast(
2359 Some(session.connection_id),
2360 project_connection_ids.iter().copied(),
2361 |connection_id| {
2362 session
2363 .peer
2364 .forward_send(session.connection_id, connection_id, request.clone())
2365 },
2366 );
2367 Ok(())
2368}
2369
2370/// Start following another user in a call.
2371async fn follow(
2372 request: proto::Follow,
2373 response: Response<proto::Follow>,
2374 session: Session,
2375) -> Result<()> {
2376 let room_id = RoomId::from_proto(request.room_id);
2377 let project_id = request.project_id.map(ProjectId::from_proto);
2378 let leader_id = request.leader_id.context("invalid leader id")?.into();
2379 let follower_id = session.connection_id;
2380
2381 session
2382 .db()
2383 .await
2384 .check_room_participants(room_id, leader_id, session.connection_id)
2385 .await?;
2386
2387 let response_payload = session
2388 .peer
2389 .forward_request(session.connection_id, leader_id, request)
2390 .await?;
2391 response.send(response_payload)?;
2392
2393 if let Some(project_id) = project_id {
2394 let room = session
2395 .db()
2396 .await
2397 .follow(room_id, project_id, leader_id, follower_id)
2398 .await?;
2399 room_updated(&room, &session.peer);
2400 }
2401
2402 Ok(())
2403}
2404
2405/// Stop following another user in a call.
2406async fn unfollow(request: proto::Unfollow, session: Session) -> Result<()> {
2407 let room_id = RoomId::from_proto(request.room_id);
2408 let project_id = request.project_id.map(ProjectId::from_proto);
2409 let leader_id = request.leader_id.context("invalid leader id")?.into();
2410 let follower_id = session.connection_id;
2411
2412 session
2413 .db()
2414 .await
2415 .check_room_participants(room_id, leader_id, session.connection_id)
2416 .await?;
2417
2418 session
2419 .peer
2420 .forward_send(session.connection_id, leader_id, request)?;
2421
2422 if let Some(project_id) = project_id {
2423 let room = session
2424 .db()
2425 .await
2426 .unfollow(room_id, project_id, leader_id, follower_id)
2427 .await?;
2428 room_updated(&room, &session.peer);
2429 }
2430
2431 Ok(())
2432}
2433
2434/// Notify everyone following you of your current location.
2435async fn update_followers(request: proto::UpdateFollowers, session: Session) -> Result<()> {
2436 let room_id = RoomId::from_proto(request.room_id);
2437 let database = session.db.lock().await;
2438
2439 let connection_ids = if let Some(project_id) = request.project_id {
2440 let project_id = ProjectId::from_proto(project_id);
2441 database
2442 .project_connection_ids(project_id, session.connection_id, true)
2443 .await?
2444 } else {
2445 database
2446 .room_connection_ids(room_id, session.connection_id)
2447 .await?
2448 };
2449
2450 // For now, don't send view update messages back to that view's current leader.
2451 let peer_id_to_omit = request.variant.as_ref().and_then(|variant| match variant {
2452 proto::update_followers::Variant::UpdateView(payload) => payload.leader_id,
2453 _ => None,
2454 });
2455
2456 for connection_id in connection_ids.iter().cloned() {
2457 if Some(connection_id.into()) != peer_id_to_omit && connection_id != session.connection_id {
2458 session
2459 .peer
2460 .forward_send(session.connection_id, connection_id, request.clone())?;
2461 }
2462 }
2463 Ok(())
2464}
2465
2466/// Get public data about users.
2467async fn get_users(
2468 request: proto::GetUsers,
2469 response: Response<proto::GetUsers>,
2470 session: Session,
2471) -> Result<()> {
2472 let user_ids = request
2473 .user_ids
2474 .into_iter()
2475 .map(UserId::from_proto)
2476 .collect();
2477 let users = session
2478 .db()
2479 .await
2480 .get_users_by_ids(user_ids)
2481 .await?
2482 .into_iter()
2483 .map(|user| proto::User {
2484 id: user.id.to_proto(),
2485 avatar_url: format!("https://github.com/{}.png?size=128", user.github_login),
2486 github_login: user.github_login,
2487 email: user.email_address,
2488 name: user.name,
2489 })
2490 .collect();
2491 response.send(proto::UsersResponse { users })?;
2492 Ok(())
2493}
2494
2495/// Search for users (to invite) buy Github login
2496async fn fuzzy_search_users(
2497 request: proto::FuzzySearchUsers,
2498 response: Response<proto::FuzzySearchUsers>,
2499 session: Session,
2500) -> Result<()> {
2501 let query = request.query;
2502 let users = match query.len() {
2503 0 => vec![],
2504 1 | 2 => session
2505 .db()
2506 .await
2507 .get_user_by_github_login(&query)
2508 .await?
2509 .into_iter()
2510 .collect(),
2511 _ => session.db().await.fuzzy_search_users(&query, 10).await?,
2512 };
2513 let users = users
2514 .into_iter()
2515 .filter(|user| user.id != session.user_id())
2516 .map(|user| proto::User {
2517 id: user.id.to_proto(),
2518 avatar_url: format!("https://github.com/{}.png?size=128", user.github_login),
2519 github_login: user.github_login,
2520 name: user.name,
2521 email: user.email_address,
2522 })
2523 .collect();
2524 response.send(proto::UsersResponse { users })?;
2525 Ok(())
2526}
2527
2528/// Send a contact request to another user.
2529async fn request_contact(
2530 request: proto::RequestContact,
2531 response: Response<proto::RequestContact>,
2532 session: Session,
2533) -> Result<()> {
2534 let requester_id = session.user_id();
2535 let responder_id = UserId::from_proto(request.responder_id);
2536 if requester_id == responder_id {
2537 return Err(anyhow!("cannot add yourself as a contact"))?;
2538 }
2539
2540 let notifications = session
2541 .db()
2542 .await
2543 .send_contact_request(requester_id, responder_id)
2544 .await?;
2545
2546 // Update outgoing contact requests of requester
2547 let mut update = proto::UpdateContacts::default();
2548 update.outgoing_requests.push(responder_id.to_proto());
2549 for connection_id in session
2550 .connection_pool()
2551 .await
2552 .user_connection_ids(requester_id)
2553 {
2554 session.peer.send(connection_id, update.clone())?;
2555 }
2556
2557 // Update incoming contact requests of responder
2558 let mut update = proto::UpdateContacts::default();
2559 update
2560 .incoming_requests
2561 .push(proto::IncomingContactRequest {
2562 requester_id: requester_id.to_proto(),
2563 });
2564 let connection_pool = session.connection_pool().await;
2565 for connection_id in connection_pool.user_connection_ids(responder_id) {
2566 session.peer.send(connection_id, update.clone())?;
2567 }
2568
2569 send_notifications(&connection_pool, &session.peer, notifications);
2570
2571 response.send(proto::Ack {})?;
2572 Ok(())
2573}
2574
2575/// Accept or decline a contact request
2576async fn respond_to_contact_request(
2577 request: proto::RespondToContactRequest,
2578 response: Response<proto::RespondToContactRequest>,
2579 session: Session,
2580) -> Result<()> {
2581 let responder_id = session.user_id();
2582 let requester_id = UserId::from_proto(request.requester_id);
2583 let db = session.db().await;
2584 if request.response == proto::ContactRequestResponse::Dismiss as i32 {
2585 db.dismiss_contact_notification(responder_id, requester_id)
2586 .await?;
2587 } else {
2588 let accept = request.response == proto::ContactRequestResponse::Accept as i32;
2589
2590 let notifications = db
2591 .respond_to_contact_request(responder_id, requester_id, accept)
2592 .await?;
2593 let requester_busy = db.is_user_busy(requester_id).await?;
2594 let responder_busy = db.is_user_busy(responder_id).await?;
2595
2596 let pool = session.connection_pool().await;
2597 // Update responder with new contact
2598 let mut update = proto::UpdateContacts::default();
2599 if accept {
2600 update
2601 .contacts
2602 .push(contact_for_user(requester_id, requester_busy, &pool));
2603 }
2604 update
2605 .remove_incoming_requests
2606 .push(requester_id.to_proto());
2607 for connection_id in pool.user_connection_ids(responder_id) {
2608 session.peer.send(connection_id, update.clone())?;
2609 }
2610
2611 // Update requester with new contact
2612 let mut update = proto::UpdateContacts::default();
2613 if accept {
2614 update
2615 .contacts
2616 .push(contact_for_user(responder_id, responder_busy, &pool));
2617 }
2618 update
2619 .remove_outgoing_requests
2620 .push(responder_id.to_proto());
2621
2622 for connection_id in pool.user_connection_ids(requester_id) {
2623 session.peer.send(connection_id, update.clone())?;
2624 }
2625
2626 send_notifications(&pool, &session.peer, notifications);
2627 }
2628
2629 response.send(proto::Ack {})?;
2630 Ok(())
2631}
2632
2633/// Remove a contact.
2634async fn remove_contact(
2635 request: proto::RemoveContact,
2636 response: Response<proto::RemoveContact>,
2637 session: Session,
2638) -> Result<()> {
2639 let requester_id = session.user_id();
2640 let responder_id = UserId::from_proto(request.user_id);
2641 let db = session.db().await;
2642 let (contact_accepted, deleted_notification_id) =
2643 db.remove_contact(requester_id, responder_id).await?;
2644
2645 let pool = session.connection_pool().await;
2646 // Update outgoing contact requests of requester
2647 let mut update = proto::UpdateContacts::default();
2648 if contact_accepted {
2649 update.remove_contacts.push(responder_id.to_proto());
2650 } else {
2651 update
2652 .remove_outgoing_requests
2653 .push(responder_id.to_proto());
2654 }
2655 for connection_id in pool.user_connection_ids(requester_id) {
2656 session.peer.send(connection_id, update.clone())?;
2657 }
2658
2659 // Update incoming contact requests of responder
2660 let mut update = proto::UpdateContacts::default();
2661 if contact_accepted {
2662 update.remove_contacts.push(requester_id.to_proto());
2663 } else {
2664 update
2665 .remove_incoming_requests
2666 .push(requester_id.to_proto());
2667 }
2668 for connection_id in pool.user_connection_ids(responder_id) {
2669 session.peer.send(connection_id, update.clone())?;
2670 if let Some(notification_id) = deleted_notification_id {
2671 session.peer.send(
2672 connection_id,
2673 proto::DeleteNotification {
2674 notification_id: notification_id.to_proto(),
2675 },
2676 )?;
2677 }
2678 }
2679
2680 response.send(proto::Ack {})?;
2681 Ok(())
2682}
2683
2684fn should_auto_subscribe_to_channels(version: ZedVersion) -> bool {
2685 version.0.minor() < 139
2686}
2687
2688async fn current_plan(db: &Arc<Database>, user_id: UserId, is_staff: bool) -> Result<proto::Plan> {
2689 if is_staff {
2690 return Ok(proto::Plan::ZedPro);
2691 }
2692
2693 let subscription = db.get_active_billing_subscription(user_id).await?;
2694 let subscription_kind = subscription.and_then(|subscription| subscription.kind);
2695
2696 let plan = if let Some(subscription_kind) = subscription_kind {
2697 match subscription_kind {
2698 SubscriptionKind::ZedPro => proto::Plan::ZedPro,
2699 SubscriptionKind::ZedProTrial => proto::Plan::ZedProTrial,
2700 SubscriptionKind::ZedFree => proto::Plan::Free,
2701 }
2702 } else {
2703 proto::Plan::Free
2704 };
2705
2706 Ok(plan)
2707}
2708
2709async fn make_update_user_plan_message(
2710 db: &Arc<Database>,
2711 llm_db: Option<Arc<LlmDatabase>>,
2712 user_id: UserId,
2713 is_staff: bool,
2714) -> Result<proto::UpdateUserPlan> {
2715 let feature_flags = db.get_user_flags(user_id).await?;
2716 let plan = current_plan(db, user_id, is_staff).await?;
2717 let billing_customer = db.get_billing_customer_by_user_id(user_id).await?;
2718 let billing_preferences = db.get_billing_preferences(user_id).await?;
2719 let user = db.get_user_by_id(user_id).await?;
2720
2721 let (subscription_period, usage) = if let Some(llm_db) = llm_db {
2722 let subscription = db.get_active_billing_subscription(user_id).await?;
2723
2724 let subscription_period =
2725 crate::db::billing_subscription::Model::current_period(subscription, is_staff);
2726
2727 let usage = if let Some((period_start_at, period_end_at)) = subscription_period {
2728 llm_db
2729 .get_subscription_usage_for_period(user_id, period_start_at, period_end_at)
2730 .await?
2731 } else {
2732 None
2733 };
2734
2735 (subscription_period, usage)
2736 } else {
2737 (None, None)
2738 };
2739
2740 // Calculate account_too_young
2741 let account_too_young = if matches!(plan, proto::Plan::ZedPro) {
2742 // If they have paid, then we allow them to use all of the features
2743 false
2744 } else if let Some(user) = user {
2745 // If we have access to the profile age, we use that
2746 chrono::Utc::now().naive_utc() - user.account_created_at() < MIN_ACCOUNT_AGE_FOR_LLM_USE
2747 } else {
2748 // Default to false otherwise
2749 false
2750 };
2751
2752 Ok(proto::UpdateUserPlan {
2753 plan: plan.into(),
2754 trial_started_at: billing_customer
2755 .and_then(|billing_customer| billing_customer.trial_started_at)
2756 .map(|trial_started_at| trial_started_at.and_utc().timestamp() as u64),
2757 is_usage_based_billing_enabled: if is_staff {
2758 Some(true)
2759 } else {
2760 billing_preferences.map(|preferences| preferences.model_request_overages_enabled)
2761 },
2762 subscription_period: subscription_period.map(|(started_at, ended_at)| {
2763 proto::SubscriptionPeriod {
2764 started_at: started_at.timestamp() as u64,
2765 ended_at: ended_at.timestamp() as u64,
2766 }
2767 }),
2768 account_too_young: Some(account_too_young),
2769 usage: usage.map(|usage| {
2770 let plan = match plan {
2771 proto::Plan::Free => zed_llm_client::Plan::ZedFree,
2772 proto::Plan::ZedPro => zed_llm_client::Plan::ZedPro,
2773 proto::Plan::ZedProTrial => zed_llm_client::Plan::ZedProTrial,
2774 };
2775
2776 let model_requests_limit = match plan.model_requests_limit() {
2777 zed_llm_client::UsageLimit::Limited(limit) => {
2778 let limit = if plan == zed_llm_client::Plan::ZedProTrial
2779 && feature_flags
2780 .iter()
2781 .any(|flag| flag == AGENT_EXTENDED_TRIAL_FEATURE_FLAG)
2782 {
2783 1_000
2784 } else {
2785 limit
2786 };
2787
2788 zed_llm_client::UsageLimit::Limited(limit)
2789 }
2790 zed_llm_client::UsageLimit::Unlimited => zed_llm_client::UsageLimit::Unlimited,
2791 };
2792
2793 proto::SubscriptionUsage {
2794 model_requests_usage_amount: usage.model_requests as u32,
2795 model_requests_usage_limit: Some(proto::UsageLimit {
2796 variant: Some(match model_requests_limit {
2797 zed_llm_client::UsageLimit::Limited(limit) => {
2798 proto::usage_limit::Variant::Limited(proto::usage_limit::Limited {
2799 limit: limit as u32,
2800 })
2801 }
2802 zed_llm_client::UsageLimit::Unlimited => {
2803 proto::usage_limit::Variant::Unlimited(proto::usage_limit::Unlimited {})
2804 }
2805 }),
2806 }),
2807 edit_predictions_usage_amount: usage.edit_predictions as u32,
2808 edit_predictions_usage_limit: Some(proto::UsageLimit {
2809 variant: Some(match plan.edit_predictions_limit() {
2810 zed_llm_client::UsageLimit::Limited(limit) => {
2811 proto::usage_limit::Variant::Limited(proto::usage_limit::Limited {
2812 limit: limit as u32,
2813 })
2814 }
2815 zed_llm_client::UsageLimit::Unlimited => {
2816 proto::usage_limit::Variant::Unlimited(proto::usage_limit::Unlimited {})
2817 }
2818 }),
2819 }),
2820 }
2821 }),
2822 })
2823}
2824
2825async fn update_user_plan(user_id: UserId, session: &Session) -> Result<()> {
2826 let db = session.db().await;
2827
2828 let update_user_plan = make_update_user_plan_message(
2829 &db.0,
2830 session.app_state.llm_db.clone(),
2831 user_id,
2832 session.is_staff(),
2833 )
2834 .await?;
2835
2836 session
2837 .peer
2838 .send(session.connection_id, update_user_plan)
2839 .trace_err();
2840
2841 Ok(())
2842}
2843
2844async fn subscribe_to_channels(_: proto::SubscribeToChannels, session: Session) -> Result<()> {
2845 subscribe_user_to_channels(session.user_id(), &session).await?;
2846 Ok(())
2847}
2848
2849async fn subscribe_user_to_channels(user_id: UserId, session: &Session) -> Result<(), Error> {
2850 let channels_for_user = session.db().await.get_channels_for_user(user_id).await?;
2851 let mut pool = session.connection_pool().await;
2852 for membership in &channels_for_user.channel_memberships {
2853 pool.subscribe_to_channel(user_id, membership.channel_id, membership.role)
2854 }
2855 session.peer.send(
2856 session.connection_id,
2857 build_update_user_channels(&channels_for_user),
2858 )?;
2859 session.peer.send(
2860 session.connection_id,
2861 build_channels_update(channels_for_user),
2862 )?;
2863 Ok(())
2864}
2865
2866/// Creates a new channel.
2867async fn create_channel(
2868 request: proto::CreateChannel,
2869 response: Response<proto::CreateChannel>,
2870 session: Session,
2871) -> Result<()> {
2872 let db = session.db().await;
2873
2874 let parent_id = request.parent_id.map(ChannelId::from_proto);
2875 let (channel, membership) = db
2876 .create_channel(&request.name, parent_id, session.user_id())
2877 .await?;
2878
2879 let root_id = channel.root_id();
2880 let channel = Channel::from_model(channel);
2881
2882 response.send(proto::CreateChannelResponse {
2883 channel: Some(channel.to_proto()),
2884 parent_id: request.parent_id,
2885 })?;
2886
2887 let mut connection_pool = session.connection_pool().await;
2888 if let Some(membership) = membership {
2889 connection_pool.subscribe_to_channel(
2890 membership.user_id,
2891 membership.channel_id,
2892 membership.role,
2893 );
2894 let update = proto::UpdateUserChannels {
2895 channel_memberships: vec![proto::ChannelMembership {
2896 channel_id: membership.channel_id.to_proto(),
2897 role: membership.role.into(),
2898 }],
2899 ..Default::default()
2900 };
2901 for connection_id in connection_pool.user_connection_ids(membership.user_id) {
2902 session.peer.send(connection_id, update.clone())?;
2903 }
2904 }
2905
2906 for (connection_id, role) in connection_pool.channel_connection_ids(root_id) {
2907 if !role.can_see_channel(channel.visibility) {
2908 continue;
2909 }
2910
2911 let update = proto::UpdateChannels {
2912 channels: vec![channel.to_proto()],
2913 ..Default::default()
2914 };
2915 session.peer.send(connection_id, update.clone())?;
2916 }
2917
2918 Ok(())
2919}
2920
2921/// Delete a channel
2922async fn delete_channel(
2923 request: proto::DeleteChannel,
2924 response: Response<proto::DeleteChannel>,
2925 session: Session,
2926) -> Result<()> {
2927 let db = session.db().await;
2928
2929 let channel_id = request.channel_id;
2930 let (root_channel, removed_channels) = db
2931 .delete_channel(ChannelId::from_proto(channel_id), session.user_id())
2932 .await?;
2933 response.send(proto::Ack {})?;
2934
2935 // Notify members of removed channels
2936 let mut update = proto::UpdateChannels::default();
2937 update
2938 .delete_channels
2939 .extend(removed_channels.into_iter().map(|id| id.to_proto()));
2940
2941 let connection_pool = session.connection_pool().await;
2942 for (connection_id, _) in connection_pool.channel_connection_ids(root_channel) {
2943 session.peer.send(connection_id, update.clone())?;
2944 }
2945
2946 Ok(())
2947}
2948
2949/// Invite someone to join a channel.
2950async fn invite_channel_member(
2951 request: proto::InviteChannelMember,
2952 response: Response<proto::InviteChannelMember>,
2953 session: Session,
2954) -> Result<()> {
2955 let db = session.db().await;
2956 let channel_id = ChannelId::from_proto(request.channel_id);
2957 let invitee_id = UserId::from_proto(request.user_id);
2958 let InviteMemberResult {
2959 channel,
2960 notifications,
2961 } = db
2962 .invite_channel_member(
2963 channel_id,
2964 invitee_id,
2965 session.user_id(),
2966 request.role().into(),
2967 )
2968 .await?;
2969
2970 let update = proto::UpdateChannels {
2971 channel_invitations: vec![channel.to_proto()],
2972 ..Default::default()
2973 };
2974
2975 let connection_pool = session.connection_pool().await;
2976 for connection_id in connection_pool.user_connection_ids(invitee_id) {
2977 session.peer.send(connection_id, update.clone())?;
2978 }
2979
2980 send_notifications(&connection_pool, &session.peer, notifications);
2981
2982 response.send(proto::Ack {})?;
2983 Ok(())
2984}
2985
2986/// remove someone from a channel
2987async fn remove_channel_member(
2988 request: proto::RemoveChannelMember,
2989 response: Response<proto::RemoveChannelMember>,
2990 session: Session,
2991) -> Result<()> {
2992 let db = session.db().await;
2993 let channel_id = ChannelId::from_proto(request.channel_id);
2994 let member_id = UserId::from_proto(request.user_id);
2995
2996 let RemoveChannelMemberResult {
2997 membership_update,
2998 notification_id,
2999 } = db
3000 .remove_channel_member(channel_id, member_id, session.user_id())
3001 .await?;
3002
3003 let mut connection_pool = session.connection_pool().await;
3004 notify_membership_updated(
3005 &mut connection_pool,
3006 membership_update,
3007 member_id,
3008 &session.peer,
3009 );
3010 for connection_id in connection_pool.user_connection_ids(member_id) {
3011 if let Some(notification_id) = notification_id {
3012 session
3013 .peer
3014 .send(
3015 connection_id,
3016 proto::DeleteNotification {
3017 notification_id: notification_id.to_proto(),
3018 },
3019 )
3020 .trace_err();
3021 }
3022 }
3023
3024 response.send(proto::Ack {})?;
3025 Ok(())
3026}
3027
3028/// Toggle the channel between public and private.
3029/// Care is taken to maintain the invariant that public channels only descend from public channels,
3030/// (though members-only channels can appear at any point in the hierarchy).
3031async fn set_channel_visibility(
3032 request: proto::SetChannelVisibility,
3033 response: Response<proto::SetChannelVisibility>,
3034 session: Session,
3035) -> Result<()> {
3036 let db = session.db().await;
3037 let channel_id = ChannelId::from_proto(request.channel_id);
3038 let visibility = request.visibility().into();
3039
3040 let channel_model = db
3041 .set_channel_visibility(channel_id, visibility, session.user_id())
3042 .await?;
3043 let root_id = channel_model.root_id();
3044 let channel = Channel::from_model(channel_model);
3045
3046 let mut connection_pool = session.connection_pool().await;
3047 for (user_id, role) in connection_pool
3048 .channel_user_ids(root_id)
3049 .collect::<Vec<_>>()
3050 .into_iter()
3051 {
3052 let update = if role.can_see_channel(channel.visibility) {
3053 connection_pool.subscribe_to_channel(user_id, channel_id, role);
3054 proto::UpdateChannels {
3055 channels: vec![channel.to_proto()],
3056 ..Default::default()
3057 }
3058 } else {
3059 connection_pool.unsubscribe_from_channel(&user_id, &channel_id);
3060 proto::UpdateChannels {
3061 delete_channels: vec![channel.id.to_proto()],
3062 ..Default::default()
3063 }
3064 };
3065
3066 for connection_id in connection_pool.user_connection_ids(user_id) {
3067 session.peer.send(connection_id, update.clone())?;
3068 }
3069 }
3070
3071 response.send(proto::Ack {})?;
3072 Ok(())
3073}
3074
3075/// Alter the role for a user in the channel.
3076async fn set_channel_member_role(
3077 request: proto::SetChannelMemberRole,
3078 response: Response<proto::SetChannelMemberRole>,
3079 session: Session,
3080) -> Result<()> {
3081 let db = session.db().await;
3082 let channel_id = ChannelId::from_proto(request.channel_id);
3083 let member_id = UserId::from_proto(request.user_id);
3084 let result = db
3085 .set_channel_member_role(
3086 channel_id,
3087 session.user_id(),
3088 member_id,
3089 request.role().into(),
3090 )
3091 .await?;
3092
3093 match result {
3094 db::SetMemberRoleResult::MembershipUpdated(membership_update) => {
3095 let mut connection_pool = session.connection_pool().await;
3096 notify_membership_updated(
3097 &mut connection_pool,
3098 membership_update,
3099 member_id,
3100 &session.peer,
3101 )
3102 }
3103 db::SetMemberRoleResult::InviteUpdated(channel) => {
3104 let update = proto::UpdateChannels {
3105 channel_invitations: vec![channel.to_proto()],
3106 ..Default::default()
3107 };
3108
3109 for connection_id in session
3110 .connection_pool()
3111 .await
3112 .user_connection_ids(member_id)
3113 {
3114 session.peer.send(connection_id, update.clone())?;
3115 }
3116 }
3117 }
3118
3119 response.send(proto::Ack {})?;
3120 Ok(())
3121}
3122
3123/// Change the name of a channel
3124async fn rename_channel(
3125 request: proto::RenameChannel,
3126 response: Response<proto::RenameChannel>,
3127 session: Session,
3128) -> Result<()> {
3129 let db = session.db().await;
3130 let channel_id = ChannelId::from_proto(request.channel_id);
3131 let channel_model = db
3132 .rename_channel(channel_id, session.user_id(), &request.name)
3133 .await?;
3134 let root_id = channel_model.root_id();
3135 let channel = Channel::from_model(channel_model);
3136
3137 response.send(proto::RenameChannelResponse {
3138 channel: Some(channel.to_proto()),
3139 })?;
3140
3141 let connection_pool = session.connection_pool().await;
3142 let update = proto::UpdateChannels {
3143 channels: vec![channel.to_proto()],
3144 ..Default::default()
3145 };
3146 for (connection_id, role) in connection_pool.channel_connection_ids(root_id) {
3147 if role.can_see_channel(channel.visibility) {
3148 session.peer.send(connection_id, update.clone())?;
3149 }
3150 }
3151
3152 Ok(())
3153}
3154
3155/// Move a channel to a new parent.
3156async fn move_channel(
3157 request: proto::MoveChannel,
3158 response: Response<proto::MoveChannel>,
3159 session: Session,
3160) -> Result<()> {
3161 let channel_id = ChannelId::from_proto(request.channel_id);
3162 let to = ChannelId::from_proto(request.to);
3163
3164 let (root_id, channels) = session
3165 .db()
3166 .await
3167 .move_channel(channel_id, to, session.user_id())
3168 .await?;
3169
3170 let connection_pool = session.connection_pool().await;
3171 for (connection_id, role) in connection_pool.channel_connection_ids(root_id) {
3172 let channels = channels
3173 .iter()
3174 .filter_map(|channel| {
3175 if role.can_see_channel(channel.visibility) {
3176 Some(channel.to_proto())
3177 } else {
3178 None
3179 }
3180 })
3181 .collect::<Vec<_>>();
3182 if channels.is_empty() {
3183 continue;
3184 }
3185
3186 let update = proto::UpdateChannels {
3187 channels,
3188 ..Default::default()
3189 };
3190
3191 session.peer.send(connection_id, update.clone())?;
3192 }
3193
3194 response.send(Ack {})?;
3195 Ok(())
3196}
3197
3198/// Get the list of channel members
3199async fn get_channel_members(
3200 request: proto::GetChannelMembers,
3201 response: Response<proto::GetChannelMembers>,
3202 session: Session,
3203) -> Result<()> {
3204 let db = session.db().await;
3205 let channel_id = ChannelId::from_proto(request.channel_id);
3206 let limit = if request.limit == 0 {
3207 u16::MAX as u64
3208 } else {
3209 request.limit
3210 };
3211 let (members, users) = db
3212 .get_channel_participant_details(channel_id, &request.query, limit, session.user_id())
3213 .await?;
3214 response.send(proto::GetChannelMembersResponse { members, users })?;
3215 Ok(())
3216}
3217
3218/// Accept or decline a channel invitation.
3219async fn respond_to_channel_invite(
3220 request: proto::RespondToChannelInvite,
3221 response: Response<proto::RespondToChannelInvite>,
3222 session: Session,
3223) -> Result<()> {
3224 let db = session.db().await;
3225 let channel_id = ChannelId::from_proto(request.channel_id);
3226 let RespondToChannelInvite {
3227 membership_update,
3228 notifications,
3229 } = db
3230 .respond_to_channel_invite(channel_id, session.user_id(), request.accept)
3231 .await?;
3232
3233 let mut connection_pool = session.connection_pool().await;
3234 if let Some(membership_update) = membership_update {
3235 notify_membership_updated(
3236 &mut connection_pool,
3237 membership_update,
3238 session.user_id(),
3239 &session.peer,
3240 );
3241 } else {
3242 let update = proto::UpdateChannels {
3243 remove_channel_invitations: vec![channel_id.to_proto()],
3244 ..Default::default()
3245 };
3246
3247 for connection_id in connection_pool.user_connection_ids(session.user_id()) {
3248 session.peer.send(connection_id, update.clone())?;
3249 }
3250 };
3251
3252 send_notifications(&connection_pool, &session.peer, notifications);
3253
3254 response.send(proto::Ack {})?;
3255
3256 Ok(())
3257}
3258
3259/// Join the channels' room
3260async fn join_channel(
3261 request: proto::JoinChannel,
3262 response: Response<proto::JoinChannel>,
3263 session: Session,
3264) -> Result<()> {
3265 let channel_id = ChannelId::from_proto(request.channel_id);
3266 join_channel_internal(channel_id, Box::new(response), session).await
3267}
3268
3269trait JoinChannelInternalResponse {
3270 fn send(self, result: proto::JoinRoomResponse) -> Result<()>;
3271}
3272impl JoinChannelInternalResponse for Response<proto::JoinChannel> {
3273 fn send(self, result: proto::JoinRoomResponse) -> Result<()> {
3274 Response::<proto::JoinChannel>::send(self, result)
3275 }
3276}
3277impl JoinChannelInternalResponse for Response<proto::JoinRoom> {
3278 fn send(self, result: proto::JoinRoomResponse) -> Result<()> {
3279 Response::<proto::JoinRoom>::send(self, result)
3280 }
3281}
3282
3283async fn join_channel_internal(
3284 channel_id: ChannelId,
3285 response: Box<impl JoinChannelInternalResponse>,
3286 session: Session,
3287) -> Result<()> {
3288 let joined_room = {
3289 let mut db = session.db().await;
3290 // If zed quits without leaving the room, and the user re-opens zed before the
3291 // RECONNECT_TIMEOUT, we need to make sure that we kick the user out of the previous
3292 // room they were in.
3293 if let Some(connection) = db.stale_room_connection(session.user_id()).await? {
3294 tracing::info!(
3295 stale_connection_id = %connection,
3296 "cleaning up stale connection",
3297 );
3298 drop(db);
3299 leave_room_for_session(&session, connection).await?;
3300 db = session.db().await;
3301 }
3302
3303 let (joined_room, membership_updated, role) = db
3304 .join_channel(channel_id, session.user_id(), session.connection_id)
3305 .await?;
3306
3307 let live_kit_connection_info =
3308 session
3309 .app_state
3310 .livekit_client
3311 .as_ref()
3312 .and_then(|live_kit| {
3313 let (can_publish, token) = if role == ChannelRole::Guest {
3314 (
3315 false,
3316 live_kit
3317 .guest_token(
3318 &joined_room.room.livekit_room,
3319 &session.user_id().to_string(),
3320 )
3321 .trace_err()?,
3322 )
3323 } else {
3324 (
3325 true,
3326 live_kit
3327 .room_token(
3328 &joined_room.room.livekit_room,
3329 &session.user_id().to_string(),
3330 )
3331 .trace_err()?,
3332 )
3333 };
3334
3335 Some(LiveKitConnectionInfo {
3336 server_url: live_kit.url().into(),
3337 token,
3338 can_publish,
3339 })
3340 });
3341
3342 response.send(proto::JoinRoomResponse {
3343 room: Some(joined_room.room.clone()),
3344 channel_id: joined_room
3345 .channel
3346 .as_ref()
3347 .map(|channel| channel.id.to_proto()),
3348 live_kit_connection_info,
3349 })?;
3350
3351 let mut connection_pool = session.connection_pool().await;
3352 if let Some(membership_updated) = membership_updated {
3353 notify_membership_updated(
3354 &mut connection_pool,
3355 membership_updated,
3356 session.user_id(),
3357 &session.peer,
3358 );
3359 }
3360
3361 room_updated(&joined_room.room, &session.peer);
3362
3363 joined_room
3364 };
3365
3366 channel_updated(
3367 &joined_room.channel.context("channel not returned")?,
3368 &joined_room.room,
3369 &session.peer,
3370 &*session.connection_pool().await,
3371 );
3372
3373 update_user_contacts(session.user_id(), &session).await?;
3374 Ok(())
3375}
3376
3377/// Start editing the channel notes
3378async fn join_channel_buffer(
3379 request: proto::JoinChannelBuffer,
3380 response: Response<proto::JoinChannelBuffer>,
3381 session: Session,
3382) -> Result<()> {
3383 let db = session.db().await;
3384 let channel_id = ChannelId::from_proto(request.channel_id);
3385
3386 let open_response = db
3387 .join_channel_buffer(channel_id, session.user_id(), session.connection_id)
3388 .await?;
3389
3390 let collaborators = open_response.collaborators.clone();
3391 response.send(open_response)?;
3392
3393 let update = UpdateChannelBufferCollaborators {
3394 channel_id: channel_id.to_proto(),
3395 collaborators: collaborators.clone(),
3396 };
3397 channel_buffer_updated(
3398 session.connection_id,
3399 collaborators
3400 .iter()
3401 .filter_map(|collaborator| Some(collaborator.peer_id?.into())),
3402 &update,
3403 &session.peer,
3404 );
3405
3406 Ok(())
3407}
3408
3409/// Edit the channel notes
3410async fn update_channel_buffer(
3411 request: proto::UpdateChannelBuffer,
3412 session: Session,
3413) -> Result<()> {
3414 let db = session.db().await;
3415 let channel_id = ChannelId::from_proto(request.channel_id);
3416
3417 let (collaborators, epoch, version) = db
3418 .update_channel_buffer(channel_id, session.user_id(), &request.operations)
3419 .await?;
3420
3421 channel_buffer_updated(
3422 session.connection_id,
3423 collaborators.clone(),
3424 &proto::UpdateChannelBuffer {
3425 channel_id: channel_id.to_proto(),
3426 operations: request.operations,
3427 },
3428 &session.peer,
3429 );
3430
3431 let pool = &*session.connection_pool().await;
3432
3433 let non_collaborators =
3434 pool.channel_connection_ids(channel_id)
3435 .filter_map(|(connection_id, _)| {
3436 if collaborators.contains(&connection_id) {
3437 None
3438 } else {
3439 Some(connection_id)
3440 }
3441 });
3442
3443 broadcast(None, non_collaborators, |peer_id| {
3444 session.peer.send(
3445 peer_id,
3446 proto::UpdateChannels {
3447 latest_channel_buffer_versions: vec![proto::ChannelBufferVersion {
3448 channel_id: channel_id.to_proto(),
3449 epoch: epoch as u64,
3450 version: version.clone(),
3451 }],
3452 ..Default::default()
3453 },
3454 )
3455 });
3456
3457 Ok(())
3458}
3459
3460/// Rejoin the channel notes after a connection blip
3461async fn rejoin_channel_buffers(
3462 request: proto::RejoinChannelBuffers,
3463 response: Response<proto::RejoinChannelBuffers>,
3464 session: Session,
3465) -> Result<()> {
3466 let db = session.db().await;
3467 let buffers = db
3468 .rejoin_channel_buffers(&request.buffers, session.user_id(), session.connection_id)
3469 .await?;
3470
3471 for rejoined_buffer in &buffers {
3472 let collaborators_to_notify = rejoined_buffer
3473 .buffer
3474 .collaborators
3475 .iter()
3476 .filter_map(|c| Some(c.peer_id?.into()));
3477 channel_buffer_updated(
3478 session.connection_id,
3479 collaborators_to_notify,
3480 &proto::UpdateChannelBufferCollaborators {
3481 channel_id: rejoined_buffer.buffer.channel_id,
3482 collaborators: rejoined_buffer.buffer.collaborators.clone(),
3483 },
3484 &session.peer,
3485 );
3486 }
3487
3488 response.send(proto::RejoinChannelBuffersResponse {
3489 buffers: buffers.into_iter().map(|b| b.buffer).collect(),
3490 })?;
3491
3492 Ok(())
3493}
3494
3495/// Stop editing the channel notes
3496async fn leave_channel_buffer(
3497 request: proto::LeaveChannelBuffer,
3498 response: Response<proto::LeaveChannelBuffer>,
3499 session: Session,
3500) -> Result<()> {
3501 let db = session.db().await;
3502 let channel_id = ChannelId::from_proto(request.channel_id);
3503
3504 let left_buffer = db
3505 .leave_channel_buffer(channel_id, session.connection_id)
3506 .await?;
3507
3508 response.send(Ack {})?;
3509
3510 channel_buffer_updated(
3511 session.connection_id,
3512 left_buffer.connections,
3513 &proto::UpdateChannelBufferCollaborators {
3514 channel_id: channel_id.to_proto(),
3515 collaborators: left_buffer.collaborators,
3516 },
3517 &session.peer,
3518 );
3519
3520 Ok(())
3521}
3522
3523fn channel_buffer_updated<T: EnvelopedMessage>(
3524 sender_id: ConnectionId,
3525 collaborators: impl IntoIterator<Item = ConnectionId>,
3526 message: &T,
3527 peer: &Peer,
3528) {
3529 broadcast(Some(sender_id), collaborators, |peer_id| {
3530 peer.send(peer_id, message.clone())
3531 });
3532}
3533
3534fn send_notifications(
3535 connection_pool: &ConnectionPool,
3536 peer: &Peer,
3537 notifications: db::NotificationBatch,
3538) {
3539 for (user_id, notification) in notifications {
3540 for connection_id in connection_pool.user_connection_ids(user_id) {
3541 if let Err(error) = peer.send(
3542 connection_id,
3543 proto::AddNotification {
3544 notification: Some(notification.clone()),
3545 },
3546 ) {
3547 tracing::error!(
3548 "failed to send notification to {:?} {}",
3549 connection_id,
3550 error
3551 );
3552 }
3553 }
3554 }
3555}
3556
3557/// Send a message to the channel
3558async fn send_channel_message(
3559 request: proto::SendChannelMessage,
3560 response: Response<proto::SendChannelMessage>,
3561 session: Session,
3562) -> Result<()> {
3563 // Validate the message body.
3564 let body = request.body.trim().to_string();
3565 if body.len() > MAX_MESSAGE_LEN {
3566 return Err(anyhow!("message is too long"))?;
3567 }
3568 if body.is_empty() {
3569 return Err(anyhow!("message can't be blank"))?;
3570 }
3571
3572 // TODO: adjust mentions if body is trimmed
3573
3574 let timestamp = OffsetDateTime::now_utc();
3575 let nonce = request.nonce.context("nonce can't be blank")?;
3576
3577 let channel_id = ChannelId::from_proto(request.channel_id);
3578 let CreatedChannelMessage {
3579 message_id,
3580 participant_connection_ids,
3581 notifications,
3582 } = session
3583 .db()
3584 .await
3585 .create_channel_message(
3586 channel_id,
3587 session.user_id(),
3588 &body,
3589 &request.mentions,
3590 timestamp,
3591 nonce.clone().into(),
3592 request.reply_to_message_id.map(MessageId::from_proto),
3593 )
3594 .await?;
3595
3596 let message = proto::ChannelMessage {
3597 sender_id: session.user_id().to_proto(),
3598 id: message_id.to_proto(),
3599 body,
3600 mentions: request.mentions,
3601 timestamp: timestamp.unix_timestamp() as u64,
3602 nonce: Some(nonce),
3603 reply_to_message_id: request.reply_to_message_id,
3604 edited_at: None,
3605 };
3606 broadcast(
3607 Some(session.connection_id),
3608 participant_connection_ids.clone(),
3609 |connection| {
3610 session.peer.send(
3611 connection,
3612 proto::ChannelMessageSent {
3613 channel_id: channel_id.to_proto(),
3614 message: Some(message.clone()),
3615 },
3616 )
3617 },
3618 );
3619 response.send(proto::SendChannelMessageResponse {
3620 message: Some(message),
3621 })?;
3622
3623 let pool = &*session.connection_pool().await;
3624 let non_participants =
3625 pool.channel_connection_ids(channel_id)
3626 .filter_map(|(connection_id, _)| {
3627 if participant_connection_ids.contains(&connection_id) {
3628 None
3629 } else {
3630 Some(connection_id)
3631 }
3632 });
3633 broadcast(None, non_participants, |peer_id| {
3634 session.peer.send(
3635 peer_id,
3636 proto::UpdateChannels {
3637 latest_channel_message_ids: vec![proto::ChannelMessageId {
3638 channel_id: channel_id.to_proto(),
3639 message_id: message_id.to_proto(),
3640 }],
3641 ..Default::default()
3642 },
3643 )
3644 });
3645 send_notifications(pool, &session.peer, notifications);
3646
3647 Ok(())
3648}
3649
3650/// Delete a channel message
3651async fn remove_channel_message(
3652 request: proto::RemoveChannelMessage,
3653 response: Response<proto::RemoveChannelMessage>,
3654 session: Session,
3655) -> Result<()> {
3656 let channel_id = ChannelId::from_proto(request.channel_id);
3657 let message_id = MessageId::from_proto(request.message_id);
3658 let (connection_ids, existing_notification_ids) = session
3659 .db()
3660 .await
3661 .remove_channel_message(channel_id, message_id, session.user_id())
3662 .await?;
3663
3664 broadcast(
3665 Some(session.connection_id),
3666 connection_ids,
3667 move |connection| {
3668 session.peer.send(connection, request.clone())?;
3669
3670 for notification_id in &existing_notification_ids {
3671 session.peer.send(
3672 connection,
3673 proto::DeleteNotification {
3674 notification_id: (*notification_id).to_proto(),
3675 },
3676 )?;
3677 }
3678
3679 Ok(())
3680 },
3681 );
3682 response.send(proto::Ack {})?;
3683 Ok(())
3684}
3685
3686async fn update_channel_message(
3687 request: proto::UpdateChannelMessage,
3688 response: Response<proto::UpdateChannelMessage>,
3689 session: Session,
3690) -> Result<()> {
3691 let channel_id = ChannelId::from_proto(request.channel_id);
3692 let message_id = MessageId::from_proto(request.message_id);
3693 let updated_at = OffsetDateTime::now_utc();
3694 let UpdatedChannelMessage {
3695 message_id,
3696 participant_connection_ids,
3697 notifications,
3698 reply_to_message_id,
3699 timestamp,
3700 deleted_mention_notification_ids,
3701 updated_mention_notifications,
3702 } = session
3703 .db()
3704 .await
3705 .update_channel_message(
3706 channel_id,
3707 message_id,
3708 session.user_id(),
3709 request.body.as_str(),
3710 &request.mentions,
3711 updated_at,
3712 )
3713 .await?;
3714
3715 let nonce = request.nonce.clone().context("nonce can't be blank")?;
3716
3717 let message = proto::ChannelMessage {
3718 sender_id: session.user_id().to_proto(),
3719 id: message_id.to_proto(),
3720 body: request.body.clone(),
3721 mentions: request.mentions.clone(),
3722 timestamp: timestamp.assume_utc().unix_timestamp() as u64,
3723 nonce: Some(nonce),
3724 reply_to_message_id: reply_to_message_id.map(|id| id.to_proto()),
3725 edited_at: Some(updated_at.unix_timestamp() as u64),
3726 };
3727
3728 response.send(proto::Ack {})?;
3729
3730 let pool = &*session.connection_pool().await;
3731 broadcast(
3732 Some(session.connection_id),
3733 participant_connection_ids,
3734 |connection| {
3735 session.peer.send(
3736 connection,
3737 proto::ChannelMessageUpdate {
3738 channel_id: channel_id.to_proto(),
3739 message: Some(message.clone()),
3740 },
3741 )?;
3742
3743 for notification_id in &deleted_mention_notification_ids {
3744 session.peer.send(
3745 connection,
3746 proto::DeleteNotification {
3747 notification_id: (*notification_id).to_proto(),
3748 },
3749 )?;
3750 }
3751
3752 for notification in &updated_mention_notifications {
3753 session.peer.send(
3754 connection,
3755 proto::UpdateNotification {
3756 notification: Some(notification.clone()),
3757 },
3758 )?;
3759 }
3760
3761 Ok(())
3762 },
3763 );
3764
3765 send_notifications(pool, &session.peer, notifications);
3766
3767 Ok(())
3768}
3769
3770/// Mark a channel message as read
3771async fn acknowledge_channel_message(
3772 request: proto::AckChannelMessage,
3773 session: Session,
3774) -> Result<()> {
3775 let channel_id = ChannelId::from_proto(request.channel_id);
3776 let message_id = MessageId::from_proto(request.message_id);
3777 let notifications = session
3778 .db()
3779 .await
3780 .observe_channel_message(channel_id, session.user_id(), message_id)
3781 .await?;
3782 send_notifications(
3783 &*session.connection_pool().await,
3784 &session.peer,
3785 notifications,
3786 );
3787 Ok(())
3788}
3789
3790/// Mark a buffer version as synced
3791async fn acknowledge_buffer_version(
3792 request: proto::AckBufferOperation,
3793 session: Session,
3794) -> Result<()> {
3795 let buffer_id = BufferId::from_proto(request.buffer_id);
3796 session
3797 .db()
3798 .await
3799 .observe_buffer_version(
3800 buffer_id,
3801 session.user_id(),
3802 request.epoch as i32,
3803 &request.version,
3804 )
3805 .await?;
3806 Ok(())
3807}
3808
3809/// Get a Supermaven API key for the user
3810async fn get_supermaven_api_key(
3811 _request: proto::GetSupermavenApiKey,
3812 response: Response<proto::GetSupermavenApiKey>,
3813 session: Session,
3814) -> Result<()> {
3815 let user_id: String = session.user_id().to_string();
3816 if !session.is_staff() {
3817 return Err(anyhow!("supermaven not enabled for this account"))?;
3818 }
3819
3820 let email = session.email().context("user must have an email")?;
3821
3822 let supermaven_admin_api = session
3823 .supermaven_client
3824 .as_ref()
3825 .context("supermaven not configured")?;
3826
3827 let result = supermaven_admin_api
3828 .try_get_or_create_user(CreateExternalUserRequest { id: user_id, email })
3829 .await?;
3830
3831 response.send(proto::GetSupermavenApiKeyResponse {
3832 api_key: result.api_key,
3833 })?;
3834
3835 Ok(())
3836}
3837
3838/// Start receiving chat updates for a channel
3839async fn join_channel_chat(
3840 request: proto::JoinChannelChat,
3841 response: Response<proto::JoinChannelChat>,
3842 session: Session,
3843) -> Result<()> {
3844 let channel_id = ChannelId::from_proto(request.channel_id);
3845
3846 let db = session.db().await;
3847 db.join_channel_chat(channel_id, session.connection_id, session.user_id())
3848 .await?;
3849 let messages = db
3850 .get_channel_messages(channel_id, session.user_id(), MESSAGE_COUNT_PER_PAGE, None)
3851 .await?;
3852 response.send(proto::JoinChannelChatResponse {
3853 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
3854 messages,
3855 })?;
3856 Ok(())
3857}
3858
3859/// Stop receiving chat updates for a channel
3860async fn leave_channel_chat(request: proto::LeaveChannelChat, session: Session) -> Result<()> {
3861 let channel_id = ChannelId::from_proto(request.channel_id);
3862 session
3863 .db()
3864 .await
3865 .leave_channel_chat(channel_id, session.connection_id, session.user_id())
3866 .await?;
3867 Ok(())
3868}
3869
3870/// Retrieve the chat history for a channel
3871async fn get_channel_messages(
3872 request: proto::GetChannelMessages,
3873 response: Response<proto::GetChannelMessages>,
3874 session: Session,
3875) -> Result<()> {
3876 let channel_id = ChannelId::from_proto(request.channel_id);
3877 let messages = session
3878 .db()
3879 .await
3880 .get_channel_messages(
3881 channel_id,
3882 session.user_id(),
3883 MESSAGE_COUNT_PER_PAGE,
3884 Some(MessageId::from_proto(request.before_message_id)),
3885 )
3886 .await?;
3887 response.send(proto::GetChannelMessagesResponse {
3888 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
3889 messages,
3890 })?;
3891 Ok(())
3892}
3893
3894/// Retrieve specific chat messages
3895async fn get_channel_messages_by_id(
3896 request: proto::GetChannelMessagesById,
3897 response: Response<proto::GetChannelMessagesById>,
3898 session: Session,
3899) -> Result<()> {
3900 let message_ids = request
3901 .message_ids
3902 .iter()
3903 .map(|id| MessageId::from_proto(*id))
3904 .collect::<Vec<_>>();
3905 let messages = session
3906 .db()
3907 .await
3908 .get_channel_messages_by_id(session.user_id(), &message_ids)
3909 .await?;
3910 response.send(proto::GetChannelMessagesResponse {
3911 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
3912 messages,
3913 })?;
3914 Ok(())
3915}
3916
3917/// Retrieve the current users notifications
3918async fn get_notifications(
3919 request: proto::GetNotifications,
3920 response: Response<proto::GetNotifications>,
3921 session: Session,
3922) -> Result<()> {
3923 let notifications = session
3924 .db()
3925 .await
3926 .get_notifications(
3927 session.user_id(),
3928 NOTIFICATION_COUNT_PER_PAGE,
3929 request.before_id.map(db::NotificationId::from_proto),
3930 )
3931 .await?;
3932 response.send(proto::GetNotificationsResponse {
3933 done: notifications.len() < NOTIFICATION_COUNT_PER_PAGE,
3934 notifications,
3935 })?;
3936 Ok(())
3937}
3938
3939/// Mark notifications as read
3940async fn mark_notification_as_read(
3941 request: proto::MarkNotificationRead,
3942 response: Response<proto::MarkNotificationRead>,
3943 session: Session,
3944) -> Result<()> {
3945 let database = &session.db().await;
3946 let notifications = database
3947 .mark_notification_as_read_by_id(
3948 session.user_id(),
3949 NotificationId::from_proto(request.notification_id),
3950 )
3951 .await?;
3952 send_notifications(
3953 &*session.connection_pool().await,
3954 &session.peer,
3955 notifications,
3956 );
3957 response.send(proto::Ack {})?;
3958 Ok(())
3959}
3960
3961/// Get the current users information
3962async fn get_private_user_info(
3963 _request: proto::GetPrivateUserInfo,
3964 response: Response<proto::GetPrivateUserInfo>,
3965 session: Session,
3966) -> Result<()> {
3967 let db = session.db().await;
3968
3969 let metrics_id = db.get_user_metrics_id(session.user_id()).await?;
3970 let user = db
3971 .get_user_by_id(session.user_id())
3972 .await?
3973 .context("user not found")?;
3974 let flags = db.get_user_flags(session.user_id()).await?;
3975
3976 response.send(proto::GetPrivateUserInfoResponse {
3977 metrics_id,
3978 staff: user.admin,
3979 flags,
3980 accepted_tos_at: user.accepted_tos_at.map(|t| t.and_utc().timestamp() as u64),
3981 })?;
3982 Ok(())
3983}
3984
3985/// Accept the terms of service (tos) on behalf of the current user
3986async fn accept_terms_of_service(
3987 _request: proto::AcceptTermsOfService,
3988 response: Response<proto::AcceptTermsOfService>,
3989 session: Session,
3990) -> Result<()> {
3991 let db = session.db().await;
3992
3993 let accepted_tos_at = Utc::now();
3994 db.set_user_accepted_tos_at(session.user_id(), Some(accepted_tos_at.naive_utc()))
3995 .await?;
3996
3997 response.send(proto::AcceptTermsOfServiceResponse {
3998 accepted_tos_at: accepted_tos_at.timestamp() as u64,
3999 })?;
4000 Ok(())
4001}
4002
4003/// The minimum account age an account must have in order to use the LLM service.
4004pub const MIN_ACCOUNT_AGE_FOR_LLM_USE: chrono::Duration = chrono::Duration::days(30);
4005
4006async fn get_llm_api_token(
4007 _request: proto::GetLlmToken,
4008 response: Response<proto::GetLlmToken>,
4009 session: Session,
4010) -> Result<()> {
4011 let db = session.db().await;
4012
4013 let flags = db.get_user_flags(session.user_id()).await?;
4014
4015 let user_id = session.user_id();
4016 let user = db
4017 .get_user_by_id(user_id)
4018 .await?
4019 .with_context(|| format!("user {user_id} not found"))?;
4020
4021 if user.accepted_tos_at.is_none() {
4022 Err(anyhow!("terms of service not accepted"))?
4023 }
4024
4025 let stripe_client = session
4026 .app_state
4027 .stripe_client
4028 .as_ref()
4029 .context("failed to retrieve Stripe client")?;
4030
4031 let stripe_billing = session
4032 .app_state
4033 .stripe_billing
4034 .as_ref()
4035 .context("failed to retrieve Stripe billing object")?;
4036
4037 let billing_customer =
4038 if let Some(billing_customer) = db.get_billing_customer_by_user_id(user.id).await? {
4039 billing_customer
4040 } else {
4041 let customer_id = stripe_billing
4042 .find_or_create_customer_by_email(user.email_address.as_deref())
4043 .await?;
4044
4045 find_or_create_billing_customer(
4046 &session.app_state,
4047 &stripe_client,
4048 stripe::Expandable::Id(customer_id),
4049 )
4050 .await?
4051 .context("billing customer not found")?
4052 };
4053
4054 let billing_subscription =
4055 if let Some(billing_subscription) = db.get_active_billing_subscription(user.id).await? {
4056 billing_subscription
4057 } else {
4058 let stripe_customer_id = billing_customer
4059 .stripe_customer_id
4060 .parse::<stripe::CustomerId>()
4061 .context("failed to parse Stripe customer ID from database")?;
4062
4063 let stripe_subscription = stripe_billing
4064 .subscribe_to_zed_free(stripe_customer_id)
4065 .await?;
4066
4067 db.create_billing_subscription(&db::CreateBillingSubscriptionParams {
4068 billing_customer_id: billing_customer.id,
4069 kind: Some(SubscriptionKind::ZedFree),
4070 stripe_subscription_id: stripe_subscription.id.to_string(),
4071 stripe_subscription_status: stripe_subscription.status.into(),
4072 stripe_cancellation_reason: None,
4073 stripe_current_period_start: Some(stripe_subscription.current_period_start),
4074 stripe_current_period_end: Some(stripe_subscription.current_period_end),
4075 })
4076 .await?
4077 };
4078
4079 let billing_preferences = db.get_billing_preferences(user.id).await?;
4080
4081 let token = LlmTokenClaims::create(
4082 &user,
4083 session.is_staff(),
4084 billing_preferences,
4085 &flags,
4086 billing_subscription,
4087 session.system_id.clone(),
4088 &session.app_state.config,
4089 )?;
4090 response.send(proto::GetLlmTokenResponse { token })?;
4091 Ok(())
4092}
4093
4094fn to_axum_message(message: TungsteniteMessage) -> anyhow::Result<AxumMessage> {
4095 let message = match message {
4096 TungsteniteMessage::Text(payload) => AxumMessage::Text(payload.as_str().to_string()),
4097 TungsteniteMessage::Binary(payload) => AxumMessage::Binary(payload.into()),
4098 TungsteniteMessage::Ping(payload) => AxumMessage::Ping(payload.into()),
4099 TungsteniteMessage::Pong(payload) => AxumMessage::Pong(payload.into()),
4100 TungsteniteMessage::Close(frame) => AxumMessage::Close(frame.map(|frame| AxumCloseFrame {
4101 code: frame.code.into(),
4102 reason: frame.reason.as_str().to_owned().into(),
4103 })),
4104 // We should never receive a frame while reading the message, according
4105 // to the `tungstenite` maintainers:
4106 //
4107 // > It cannot occur when you read messages from the WebSocket, but it
4108 // > can be used when you want to send the raw frames (e.g. you want to
4109 // > send the frames to the WebSocket without composing the full message first).
4110 // >
4111 // > — https://github.com/snapview/tungstenite-rs/issues/268
4112 TungsteniteMessage::Frame(_) => {
4113 bail!("received an unexpected frame while reading the message")
4114 }
4115 };
4116
4117 Ok(message)
4118}
4119
4120fn to_tungstenite_message(message: AxumMessage) -> TungsteniteMessage {
4121 match message {
4122 AxumMessage::Text(payload) => TungsteniteMessage::Text(payload.into()),
4123 AxumMessage::Binary(payload) => TungsteniteMessage::Binary(payload.into()),
4124 AxumMessage::Ping(payload) => TungsteniteMessage::Ping(payload.into()),
4125 AxumMessage::Pong(payload) => TungsteniteMessage::Pong(payload.into()),
4126 AxumMessage::Close(frame) => {
4127 TungsteniteMessage::Close(frame.map(|frame| TungsteniteCloseFrame {
4128 code: frame.code.into(),
4129 reason: frame.reason.as_ref().into(),
4130 }))
4131 }
4132 }
4133}
4134
4135fn notify_membership_updated(
4136 connection_pool: &mut ConnectionPool,
4137 result: MembershipUpdated,
4138 user_id: UserId,
4139 peer: &Peer,
4140) {
4141 for membership in &result.new_channels.channel_memberships {
4142 connection_pool.subscribe_to_channel(user_id, membership.channel_id, membership.role)
4143 }
4144 for channel_id in &result.removed_channels {
4145 connection_pool.unsubscribe_from_channel(&user_id, channel_id)
4146 }
4147
4148 let user_channels_update = proto::UpdateUserChannels {
4149 channel_memberships: result
4150 .new_channels
4151 .channel_memberships
4152 .iter()
4153 .map(|cm| proto::ChannelMembership {
4154 channel_id: cm.channel_id.to_proto(),
4155 role: cm.role.into(),
4156 })
4157 .collect(),
4158 ..Default::default()
4159 };
4160
4161 let mut update = build_channels_update(result.new_channels);
4162 update.delete_channels = result
4163 .removed_channels
4164 .into_iter()
4165 .map(|id| id.to_proto())
4166 .collect();
4167 update.remove_channel_invitations = vec![result.channel_id.to_proto()];
4168
4169 for connection_id in connection_pool.user_connection_ids(user_id) {
4170 peer.send(connection_id, user_channels_update.clone())
4171 .trace_err();
4172 peer.send(connection_id, update.clone()).trace_err();
4173 }
4174}
4175
4176fn build_update_user_channels(channels: &ChannelsForUser) -> proto::UpdateUserChannels {
4177 proto::UpdateUserChannels {
4178 channel_memberships: channels
4179 .channel_memberships
4180 .iter()
4181 .map(|m| proto::ChannelMembership {
4182 channel_id: m.channel_id.to_proto(),
4183 role: m.role.into(),
4184 })
4185 .collect(),
4186 observed_channel_buffer_version: channels.observed_buffer_versions.clone(),
4187 observed_channel_message_id: channels.observed_channel_messages.clone(),
4188 }
4189}
4190
4191fn build_channels_update(channels: ChannelsForUser) -> proto::UpdateChannels {
4192 let mut update = proto::UpdateChannels::default();
4193
4194 for channel in channels.channels {
4195 update.channels.push(channel.to_proto());
4196 }
4197
4198 update.latest_channel_buffer_versions = channels.latest_buffer_versions;
4199 update.latest_channel_message_ids = channels.latest_channel_messages;
4200
4201 for (channel_id, participants) in channels.channel_participants {
4202 update
4203 .channel_participants
4204 .push(proto::ChannelParticipants {
4205 channel_id: channel_id.to_proto(),
4206 participant_user_ids: participants.into_iter().map(|id| id.to_proto()).collect(),
4207 });
4208 }
4209
4210 for channel in channels.invited_channels {
4211 update.channel_invitations.push(channel.to_proto());
4212 }
4213
4214 update
4215}
4216
4217fn build_initial_contacts_update(
4218 contacts: Vec<db::Contact>,
4219 pool: &ConnectionPool,
4220) -> proto::UpdateContacts {
4221 let mut update = proto::UpdateContacts::default();
4222
4223 for contact in contacts {
4224 match contact {
4225 db::Contact::Accepted { user_id, busy } => {
4226 update.contacts.push(contact_for_user(user_id, busy, pool));
4227 }
4228 db::Contact::Outgoing { user_id } => update.outgoing_requests.push(user_id.to_proto()),
4229 db::Contact::Incoming { user_id } => {
4230 update
4231 .incoming_requests
4232 .push(proto::IncomingContactRequest {
4233 requester_id: user_id.to_proto(),
4234 })
4235 }
4236 }
4237 }
4238
4239 update
4240}
4241
4242fn contact_for_user(user_id: UserId, busy: bool, pool: &ConnectionPool) -> proto::Contact {
4243 proto::Contact {
4244 user_id: user_id.to_proto(),
4245 online: pool.is_user_online(user_id),
4246 busy,
4247 }
4248}
4249
4250fn room_updated(room: &proto::Room, peer: &Peer) {
4251 broadcast(
4252 None,
4253 room.participants
4254 .iter()
4255 .filter_map(|participant| Some(participant.peer_id?.into())),
4256 |peer_id| {
4257 peer.send(
4258 peer_id,
4259 proto::RoomUpdated {
4260 room: Some(room.clone()),
4261 },
4262 )
4263 },
4264 );
4265}
4266
4267fn channel_updated(
4268 channel: &db::channel::Model,
4269 room: &proto::Room,
4270 peer: &Peer,
4271 pool: &ConnectionPool,
4272) {
4273 let participants = room
4274 .participants
4275 .iter()
4276 .map(|p| p.user_id)
4277 .collect::<Vec<_>>();
4278
4279 broadcast(
4280 None,
4281 pool.channel_connection_ids(channel.root_id())
4282 .filter_map(|(channel_id, role)| {
4283 role.can_see_channel(channel.visibility)
4284 .then_some(channel_id)
4285 }),
4286 |peer_id| {
4287 peer.send(
4288 peer_id,
4289 proto::UpdateChannels {
4290 channel_participants: vec![proto::ChannelParticipants {
4291 channel_id: channel.id.to_proto(),
4292 participant_user_ids: participants.clone(),
4293 }],
4294 ..Default::default()
4295 },
4296 )
4297 },
4298 );
4299}
4300
4301async fn update_user_contacts(user_id: UserId, session: &Session) -> Result<()> {
4302 let db = session.db().await;
4303
4304 let contacts = db.get_contacts(user_id).await?;
4305 let busy = db.is_user_busy(user_id).await?;
4306
4307 let pool = session.connection_pool().await;
4308 let updated_contact = contact_for_user(user_id, busy, &pool);
4309 for contact in contacts {
4310 if let db::Contact::Accepted {
4311 user_id: contact_user_id,
4312 ..
4313 } = contact
4314 {
4315 for contact_conn_id in pool.user_connection_ids(contact_user_id) {
4316 session
4317 .peer
4318 .send(
4319 contact_conn_id,
4320 proto::UpdateContacts {
4321 contacts: vec![updated_contact.clone()],
4322 remove_contacts: Default::default(),
4323 incoming_requests: Default::default(),
4324 remove_incoming_requests: Default::default(),
4325 outgoing_requests: Default::default(),
4326 remove_outgoing_requests: Default::default(),
4327 },
4328 )
4329 .trace_err();
4330 }
4331 }
4332 }
4333 Ok(())
4334}
4335
4336async fn leave_room_for_session(session: &Session, connection_id: ConnectionId) -> Result<()> {
4337 let mut contacts_to_update = HashSet::default();
4338
4339 let room_id;
4340 let canceled_calls_to_user_ids;
4341 let livekit_room;
4342 let delete_livekit_room;
4343 let room;
4344 let channel;
4345
4346 if let Some(mut left_room) = session.db().await.leave_room(connection_id).await? {
4347 contacts_to_update.insert(session.user_id());
4348
4349 for project in left_room.left_projects.values() {
4350 project_left(project, session);
4351 }
4352
4353 room_id = RoomId::from_proto(left_room.room.id);
4354 canceled_calls_to_user_ids = mem::take(&mut left_room.canceled_calls_to_user_ids);
4355 livekit_room = mem::take(&mut left_room.room.livekit_room);
4356 delete_livekit_room = left_room.deleted;
4357 room = mem::take(&mut left_room.room);
4358 channel = mem::take(&mut left_room.channel);
4359
4360 room_updated(&room, &session.peer);
4361 } else {
4362 return Ok(());
4363 }
4364
4365 if let Some(channel) = channel {
4366 channel_updated(
4367 &channel,
4368 &room,
4369 &session.peer,
4370 &*session.connection_pool().await,
4371 );
4372 }
4373
4374 {
4375 let pool = session.connection_pool().await;
4376 for canceled_user_id in canceled_calls_to_user_ids {
4377 for connection_id in pool.user_connection_ids(canceled_user_id) {
4378 session
4379 .peer
4380 .send(
4381 connection_id,
4382 proto::CallCanceled {
4383 room_id: room_id.to_proto(),
4384 },
4385 )
4386 .trace_err();
4387 }
4388 contacts_to_update.insert(canceled_user_id);
4389 }
4390 }
4391
4392 for contact_user_id in contacts_to_update {
4393 update_user_contacts(contact_user_id, session).await?;
4394 }
4395
4396 if let Some(live_kit) = session.app_state.livekit_client.as_ref() {
4397 live_kit
4398 .remove_participant(livekit_room.clone(), session.user_id().to_string())
4399 .await
4400 .trace_err();
4401
4402 if delete_livekit_room {
4403 live_kit.delete_room(livekit_room).await.trace_err();
4404 }
4405 }
4406
4407 Ok(())
4408}
4409
4410async fn leave_channel_buffers_for_session(session: &Session) -> Result<()> {
4411 let left_channel_buffers = session
4412 .db()
4413 .await
4414 .leave_channel_buffers(session.connection_id)
4415 .await?;
4416
4417 for left_buffer in left_channel_buffers {
4418 channel_buffer_updated(
4419 session.connection_id,
4420 left_buffer.connections,
4421 &proto::UpdateChannelBufferCollaborators {
4422 channel_id: left_buffer.channel_id.to_proto(),
4423 collaborators: left_buffer.collaborators,
4424 },
4425 &session.peer,
4426 );
4427 }
4428
4429 Ok(())
4430}
4431
4432fn project_left(project: &db::LeftProject, session: &Session) {
4433 for connection_id in &project.connection_ids {
4434 if project.should_unshare {
4435 session
4436 .peer
4437 .send(
4438 *connection_id,
4439 proto::UnshareProject {
4440 project_id: project.id.to_proto(),
4441 },
4442 )
4443 .trace_err();
4444 } else {
4445 session
4446 .peer
4447 .send(
4448 *connection_id,
4449 proto::RemoveProjectCollaborator {
4450 project_id: project.id.to_proto(),
4451 peer_id: Some(session.connection_id.into()),
4452 },
4453 )
4454 .trace_err();
4455 }
4456 }
4457}
4458
4459pub trait ResultExt {
4460 type Ok;
4461
4462 fn trace_err(self) -> Option<Self::Ok>;
4463}
4464
4465impl<T, E> ResultExt for Result<T, E>
4466where
4467 E: std::fmt::Debug,
4468{
4469 type Ok = T;
4470
4471 #[track_caller]
4472 fn trace_err(self) -> Option<T> {
4473 match self {
4474 Ok(value) => Some(value),
4475 Err(error) => {
4476 tracing::error!("{:?}", error);
4477 None
4478 }
4479 }
4480 }
4481}