1mod connection_pool;
2
3use crate::api::{CloudflareIpCountryHeader, SystemIdHeader};
4use crate::db::billing_subscription::SubscriptionKind;
5use crate::llm::LlmTokenClaims;
6use crate::{
7 AppState, Error, Result, auth,
8 db::{
9 self, BufferId, Capability, Channel, ChannelId, ChannelRole, ChannelsForUser,
10 CreatedChannelMessage, Database, InviteMemberResult, MembershipUpdated, MessageId,
11 NotificationId, Project, ProjectId, RejoinedProject, RemoveChannelMemberResult, ReplicaId,
12 RespondToChannelInvite, RoomId, ServerId, UpdatedChannelMessage, User, UserId,
13 },
14 executor::Executor,
15};
16use anyhow::{Context as _, anyhow, bail};
17use async_tungstenite::tungstenite::{
18 Message as TungsteniteMessage, protocol::CloseFrame as TungsteniteCloseFrame,
19};
20use axum::{
21 Extension, Router, TypedHeader,
22 body::Body,
23 extract::{
24 ConnectInfo, WebSocketUpgrade,
25 ws::{CloseFrame as AxumCloseFrame, Message as AxumMessage},
26 },
27 headers::{Header, HeaderName},
28 http::StatusCode,
29 middleware,
30 response::IntoResponse,
31 routing::get,
32};
33use chrono::Utc;
34use collections::{HashMap, HashSet};
35pub use connection_pool::{ConnectionPool, ZedVersion};
36use core::fmt::{self, Debug, Formatter};
37use reqwest_client::ReqwestClient;
38use rpc::proto::split_repository_update;
39use supermaven_api::{CreateExternalUserRequest, SupermavenAdminApi};
40
41use futures::{
42 FutureExt, SinkExt, StreamExt, TryStreamExt, channel::oneshot, future::BoxFuture,
43 stream::FuturesUnordered,
44};
45use prometheus::{IntGauge, register_int_gauge};
46use rpc::{
47 Connection, ConnectionId, ErrorCode, ErrorCodeExt, ErrorExt, Peer, Receipt, TypedEnvelope,
48 proto::{
49 self, Ack, AnyTypedEnvelope, EntityMessage, EnvelopedMessage, LiveKitConnectionInfo,
50 RequestMessage, ShareProject, UpdateChannelBufferCollaborators,
51 },
52};
53use semantic_version::SemanticVersion;
54use serde::{Serialize, Serializer};
55use std::{
56 any::TypeId,
57 future::Future,
58 marker::PhantomData,
59 mem,
60 net::SocketAddr,
61 ops::{Deref, DerefMut},
62 rc::Rc,
63 sync::{
64 Arc, OnceLock,
65 atomic::{AtomicBool, Ordering::SeqCst},
66 },
67 time::{Duration, Instant},
68};
69use time::OffsetDateTime;
70use tokio::sync::{MutexGuard, Semaphore, watch};
71use tower::ServiceBuilder;
72use tracing::{
73 Instrument,
74 field::{self},
75 info_span, instrument,
76};
77
78pub const RECONNECT_TIMEOUT: Duration = Duration::from_secs(30);
79
80// kubernetes gives terminated pods 10s to shutdown gracefully. After they're gone, we can clean up old resources.
81pub const CLEANUP_TIMEOUT: Duration = Duration::from_secs(15);
82
83const MESSAGE_COUNT_PER_PAGE: usize = 100;
84const MAX_MESSAGE_LEN: usize = 1024;
85const NOTIFICATION_COUNT_PER_PAGE: usize = 50;
86
87type MessageHandler =
88 Box<dyn Send + Sync + Fn(Box<dyn AnyTypedEnvelope>, Session) -> BoxFuture<'static, ()>>;
89
90struct Response<R> {
91 peer: Arc<Peer>,
92 receipt: Receipt<R>,
93 responded: Arc<AtomicBool>,
94}
95
96impl<R: RequestMessage> Response<R> {
97 fn send(self, payload: R::Response) -> Result<()> {
98 self.responded.store(true, SeqCst);
99 self.peer.respond(self.receipt, payload)?;
100 Ok(())
101 }
102}
103
104#[derive(Clone, Debug)]
105pub enum Principal {
106 User(User),
107 Impersonated { user: User, admin: User },
108}
109
110impl Principal {
111 fn update_span(&self, span: &tracing::Span) {
112 match &self {
113 Principal::User(user) => {
114 span.record("user_id", user.id.0);
115 span.record("login", &user.github_login);
116 }
117 Principal::Impersonated { user, admin } => {
118 span.record("user_id", user.id.0);
119 span.record("login", &user.github_login);
120 span.record("impersonator", &admin.github_login);
121 }
122 }
123 }
124}
125
126#[derive(Clone)]
127struct Session {
128 principal: Principal,
129 connection_id: ConnectionId,
130 db: Arc<tokio::sync::Mutex<DbHandle>>,
131 peer: Arc<Peer>,
132 connection_pool: Arc<parking_lot::Mutex<ConnectionPool>>,
133 app_state: Arc<AppState>,
134 supermaven_client: Option<Arc<SupermavenAdminApi>>,
135 /// The GeoIP country code for the user.
136 #[allow(unused)]
137 geoip_country_code: Option<String>,
138 system_id: Option<String>,
139 _executor: Executor,
140}
141
142impl Session {
143 async fn db(&self) -> tokio::sync::MutexGuard<DbHandle> {
144 #[cfg(test)]
145 tokio::task::yield_now().await;
146 let guard = self.db.lock().await;
147 #[cfg(test)]
148 tokio::task::yield_now().await;
149 guard
150 }
151
152 async fn connection_pool(&self) -> ConnectionPoolGuard<'_> {
153 #[cfg(test)]
154 tokio::task::yield_now().await;
155 let guard = self.connection_pool.lock();
156 ConnectionPoolGuard {
157 guard,
158 _not_send: PhantomData,
159 }
160 }
161
162 fn is_staff(&self) -> bool {
163 match &self.principal {
164 Principal::User(user) => user.admin,
165 Principal::Impersonated { .. } => true,
166 }
167 }
168
169 pub async fn has_llm_subscription(
170 &self,
171 db: &MutexGuard<'_, DbHandle>,
172 ) -> anyhow::Result<bool> {
173 if self.is_staff() {
174 return Ok(true);
175 }
176
177 let user_id = self.user_id();
178
179 Ok(db.has_active_billing_subscription(user_id).await?)
180 }
181
182 pub async fn current_plan(&self, db: &MutexGuard<'_, DbHandle>) -> anyhow::Result<proto::Plan> {
183 let user_id = self.user_id();
184
185 let subscription = db.get_active_billing_subscription(user_id).await?;
186 let subscription_kind = subscription.and_then(|subscription| subscription.kind);
187
188 let plan = if let Some(subscription_kind) = subscription_kind {
189 match subscription_kind {
190 SubscriptionKind::ZedPro => proto::Plan::ZedPro,
191 SubscriptionKind::ZedProTrial => proto::Plan::ZedProTrial,
192 SubscriptionKind::ZedFree => proto::Plan::Free,
193 }
194 } else {
195 proto::Plan::Free
196 };
197
198 Ok(plan)
199 }
200
201 fn user_id(&self) -> UserId {
202 match &self.principal {
203 Principal::User(user) => user.id,
204 Principal::Impersonated { user, .. } => user.id,
205 }
206 }
207
208 pub fn email(&self) -> Option<String> {
209 match &self.principal {
210 Principal::User(user) => user.email_address.clone(),
211 Principal::Impersonated { user, .. } => user.email_address.clone(),
212 }
213 }
214}
215
216impl Debug for Session {
217 fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
218 let mut result = f.debug_struct("Session");
219 match &self.principal {
220 Principal::User(user) => {
221 result.field("user", &user.github_login);
222 }
223 Principal::Impersonated { user, admin } => {
224 result.field("user", &user.github_login);
225 result.field("impersonator", &admin.github_login);
226 }
227 }
228 result.field("connection_id", &self.connection_id).finish()
229 }
230}
231
232struct DbHandle(Arc<Database>);
233
234impl Deref for DbHandle {
235 type Target = Database;
236
237 fn deref(&self) -> &Self::Target {
238 self.0.as_ref()
239 }
240}
241
242pub struct Server {
243 id: parking_lot::Mutex<ServerId>,
244 peer: Arc<Peer>,
245 pub(crate) connection_pool: Arc<parking_lot::Mutex<ConnectionPool>>,
246 app_state: Arc<AppState>,
247 handlers: HashMap<TypeId, MessageHandler>,
248 teardown: watch::Sender<bool>,
249}
250
251pub(crate) struct ConnectionPoolGuard<'a> {
252 guard: parking_lot::MutexGuard<'a, ConnectionPool>,
253 _not_send: PhantomData<Rc<()>>,
254}
255
256#[derive(Serialize)]
257pub struct ServerSnapshot<'a> {
258 peer: &'a Peer,
259 #[serde(serialize_with = "serialize_deref")]
260 connection_pool: ConnectionPoolGuard<'a>,
261}
262
263pub fn serialize_deref<S, T, U>(value: &T, serializer: S) -> Result<S::Ok, S::Error>
264where
265 S: Serializer,
266 T: Deref<Target = U>,
267 U: Serialize,
268{
269 Serialize::serialize(value.deref(), serializer)
270}
271
272impl Server {
273 pub fn new(id: ServerId, app_state: Arc<AppState>) -> Arc<Self> {
274 let mut server = Self {
275 id: parking_lot::Mutex::new(id),
276 peer: Peer::new(id.0 as u32),
277 app_state: app_state.clone(),
278 connection_pool: Default::default(),
279 handlers: Default::default(),
280 teardown: watch::channel(false).0,
281 };
282
283 server
284 .add_request_handler(ping)
285 .add_request_handler(create_room)
286 .add_request_handler(join_room)
287 .add_request_handler(rejoin_room)
288 .add_request_handler(leave_room)
289 .add_request_handler(set_room_participant_role)
290 .add_request_handler(call)
291 .add_request_handler(cancel_call)
292 .add_message_handler(decline_call)
293 .add_request_handler(update_participant_location)
294 .add_request_handler(share_project)
295 .add_message_handler(unshare_project)
296 .add_request_handler(join_project)
297 .add_message_handler(leave_project)
298 .add_request_handler(update_project)
299 .add_request_handler(update_worktree)
300 .add_request_handler(update_repository)
301 .add_request_handler(remove_repository)
302 .add_message_handler(start_language_server)
303 .add_message_handler(update_language_server)
304 .add_message_handler(update_diagnostic_summary)
305 .add_message_handler(update_worktree_settings)
306 .add_request_handler(forward_read_only_project_request::<proto::GetHover>)
307 .add_request_handler(forward_read_only_project_request::<proto::GetDefinition>)
308 .add_request_handler(forward_read_only_project_request::<proto::GetTypeDefinition>)
309 .add_request_handler(forward_read_only_project_request::<proto::GetReferences>)
310 .add_request_handler(forward_find_search_candidates_request)
311 .add_request_handler(forward_read_only_project_request::<proto::GetDocumentHighlights>)
312 .add_request_handler(forward_read_only_project_request::<proto::GetDocumentSymbols>)
313 .add_request_handler(forward_read_only_project_request::<proto::GetProjectSymbols>)
314 .add_request_handler(forward_read_only_project_request::<proto::OpenBufferForSymbol>)
315 .add_request_handler(forward_read_only_project_request::<proto::OpenBufferById>)
316 .add_request_handler(forward_read_only_project_request::<proto::SynchronizeBuffers>)
317 .add_request_handler(forward_read_only_project_request::<proto::InlayHints>)
318 .add_request_handler(forward_read_only_project_request::<proto::ResolveInlayHint>)
319 .add_request_handler(forward_mutating_project_request::<proto::GetCodeLens>)
320 .add_request_handler(forward_read_only_project_request::<proto::OpenBufferByPath>)
321 .add_request_handler(forward_read_only_project_request::<proto::GitGetBranches>)
322 .add_request_handler(forward_read_only_project_request::<proto::OpenUnstagedDiff>)
323 .add_request_handler(forward_read_only_project_request::<proto::OpenUncommittedDiff>)
324 .add_request_handler(forward_read_only_project_request::<proto::LspExtExpandMacro>)
325 .add_request_handler(forward_read_only_project_request::<proto::LspExtOpenDocs>)
326 .add_request_handler(forward_mutating_project_request::<proto::LspExtRunnables>)
327 .add_request_handler(
328 forward_read_only_project_request::<proto::LspExtSwitchSourceHeader>,
329 )
330 .add_request_handler(forward_read_only_project_request::<proto::LspExtGoToParentModule>)
331 .add_request_handler(
332 forward_read_only_project_request::<proto::LanguageServerIdForName>,
333 )
334 .add_request_handler(
335 forward_mutating_project_request::<proto::RegisterBufferWithLanguageServers>,
336 )
337 .add_request_handler(forward_mutating_project_request::<proto::UpdateGitBranch>)
338 .add_request_handler(forward_mutating_project_request::<proto::GetCompletions>)
339 .add_request_handler(
340 forward_mutating_project_request::<proto::ApplyCompletionAdditionalEdits>,
341 )
342 .add_request_handler(forward_mutating_project_request::<proto::OpenNewBuffer>)
343 .add_request_handler(
344 forward_mutating_project_request::<proto::ResolveCompletionDocumentation>,
345 )
346 .add_request_handler(forward_mutating_project_request::<proto::GetCodeActions>)
347 .add_request_handler(forward_mutating_project_request::<proto::ApplyCodeAction>)
348 .add_request_handler(forward_mutating_project_request::<proto::PrepareRename>)
349 .add_request_handler(forward_mutating_project_request::<proto::PerformRename>)
350 .add_request_handler(forward_mutating_project_request::<proto::ReloadBuffers>)
351 .add_request_handler(forward_mutating_project_request::<proto::ApplyCodeActionKind>)
352 .add_request_handler(forward_mutating_project_request::<proto::FormatBuffers>)
353 .add_request_handler(forward_mutating_project_request::<proto::CreateProjectEntry>)
354 .add_request_handler(forward_mutating_project_request::<proto::RenameProjectEntry>)
355 .add_request_handler(forward_mutating_project_request::<proto::CopyProjectEntry>)
356 .add_request_handler(forward_mutating_project_request::<proto::DeleteProjectEntry>)
357 .add_request_handler(forward_mutating_project_request::<proto::ExpandProjectEntry>)
358 .add_request_handler(
359 forward_mutating_project_request::<proto::ExpandAllForProjectEntry>,
360 )
361 .add_request_handler(forward_mutating_project_request::<proto::OnTypeFormatting>)
362 .add_request_handler(forward_mutating_project_request::<proto::SaveBuffer>)
363 .add_request_handler(forward_mutating_project_request::<proto::BlameBuffer>)
364 .add_request_handler(forward_mutating_project_request::<proto::MultiLspQuery>)
365 .add_request_handler(forward_mutating_project_request::<proto::RestartLanguageServers>)
366 .add_request_handler(forward_mutating_project_request::<proto::StopLanguageServers>)
367 .add_request_handler(forward_mutating_project_request::<proto::LinkedEditingRange>)
368 .add_message_handler(create_buffer_for_peer)
369 .add_request_handler(update_buffer)
370 .add_message_handler(broadcast_project_message_from_host::<proto::RefreshInlayHints>)
371 .add_message_handler(broadcast_project_message_from_host::<proto::RefreshCodeLens>)
372 .add_message_handler(broadcast_project_message_from_host::<proto::UpdateBufferFile>)
373 .add_message_handler(broadcast_project_message_from_host::<proto::BufferReloaded>)
374 .add_message_handler(broadcast_project_message_from_host::<proto::BufferSaved>)
375 .add_message_handler(broadcast_project_message_from_host::<proto::UpdateDiffBases>)
376 .add_request_handler(get_users)
377 .add_request_handler(fuzzy_search_users)
378 .add_request_handler(request_contact)
379 .add_request_handler(remove_contact)
380 .add_request_handler(respond_to_contact_request)
381 .add_message_handler(subscribe_to_channels)
382 .add_request_handler(create_channel)
383 .add_request_handler(delete_channel)
384 .add_request_handler(invite_channel_member)
385 .add_request_handler(remove_channel_member)
386 .add_request_handler(set_channel_member_role)
387 .add_request_handler(set_channel_visibility)
388 .add_request_handler(rename_channel)
389 .add_request_handler(join_channel_buffer)
390 .add_request_handler(leave_channel_buffer)
391 .add_message_handler(update_channel_buffer)
392 .add_request_handler(rejoin_channel_buffers)
393 .add_request_handler(get_channel_members)
394 .add_request_handler(respond_to_channel_invite)
395 .add_request_handler(join_channel)
396 .add_request_handler(join_channel_chat)
397 .add_message_handler(leave_channel_chat)
398 .add_request_handler(send_channel_message)
399 .add_request_handler(remove_channel_message)
400 .add_request_handler(update_channel_message)
401 .add_request_handler(get_channel_messages)
402 .add_request_handler(get_channel_messages_by_id)
403 .add_request_handler(get_notifications)
404 .add_request_handler(mark_notification_as_read)
405 .add_request_handler(move_channel)
406 .add_request_handler(follow)
407 .add_message_handler(unfollow)
408 .add_message_handler(update_followers)
409 .add_request_handler(get_private_user_info)
410 .add_request_handler(get_llm_api_token)
411 .add_request_handler(accept_terms_of_service)
412 .add_message_handler(acknowledge_channel_message)
413 .add_message_handler(acknowledge_buffer_version)
414 .add_request_handler(get_supermaven_api_key)
415 .add_request_handler(forward_mutating_project_request::<proto::OpenContext>)
416 .add_request_handler(forward_mutating_project_request::<proto::CreateContext>)
417 .add_request_handler(forward_mutating_project_request::<proto::SynchronizeContexts>)
418 .add_request_handler(forward_mutating_project_request::<proto::Stage>)
419 .add_request_handler(forward_mutating_project_request::<proto::Unstage>)
420 .add_request_handler(forward_mutating_project_request::<proto::Commit>)
421 .add_request_handler(forward_mutating_project_request::<proto::GitInit>)
422 .add_request_handler(forward_read_only_project_request::<proto::GetRemotes>)
423 .add_request_handler(forward_read_only_project_request::<proto::GitShow>)
424 .add_request_handler(forward_read_only_project_request::<proto::LoadCommitDiff>)
425 .add_request_handler(forward_read_only_project_request::<proto::GitReset>)
426 .add_request_handler(forward_read_only_project_request::<proto::GitCheckoutFiles>)
427 .add_request_handler(forward_mutating_project_request::<proto::SetIndexText>)
428 .add_request_handler(forward_mutating_project_request::<proto::ToggleBreakpoint>)
429 .add_message_handler(broadcast_project_message_from_host::<proto::BreakpointsForFile>)
430 .add_request_handler(forward_mutating_project_request::<proto::OpenCommitMessageBuffer>)
431 .add_request_handler(forward_mutating_project_request::<proto::GitDiff>)
432 .add_request_handler(forward_mutating_project_request::<proto::GitCreateBranch>)
433 .add_request_handler(forward_mutating_project_request::<proto::GitChangeBranch>)
434 .add_request_handler(forward_mutating_project_request::<proto::CheckForPushedCommits>)
435 .add_message_handler(broadcast_project_message_from_host::<proto::AdvertiseContexts>)
436 .add_message_handler(update_context);
437
438 Arc::new(server)
439 }
440
441 pub async fn start(&self) -> Result<()> {
442 let server_id = *self.id.lock();
443 let app_state = self.app_state.clone();
444 let peer = self.peer.clone();
445 let timeout = self.app_state.executor.sleep(CLEANUP_TIMEOUT);
446 let pool = self.connection_pool.clone();
447 let livekit_client = self.app_state.livekit_client.clone();
448
449 let span = info_span!("start server");
450 self.app_state.executor.spawn_detached(
451 async move {
452 tracing::info!("waiting for cleanup timeout");
453 timeout.await;
454 tracing::info!("cleanup timeout expired, retrieving stale rooms");
455 if let Some((room_ids, channel_ids)) = app_state
456 .db
457 .stale_server_resource_ids(&app_state.config.zed_environment, server_id)
458 .await
459 .trace_err()
460 {
461 tracing::info!(stale_room_count = room_ids.len(), "retrieved stale rooms");
462 tracing::info!(
463 stale_channel_buffer_count = channel_ids.len(),
464 "retrieved stale channel buffers"
465 );
466
467 for channel_id in channel_ids {
468 if let Some(refreshed_channel_buffer) = app_state
469 .db
470 .clear_stale_channel_buffer_collaborators(channel_id, server_id)
471 .await
472 .trace_err()
473 {
474 for connection_id in refreshed_channel_buffer.connection_ids {
475 peer.send(
476 connection_id,
477 proto::UpdateChannelBufferCollaborators {
478 channel_id: channel_id.to_proto(),
479 collaborators: refreshed_channel_buffer
480 .collaborators
481 .clone(),
482 },
483 )
484 .trace_err();
485 }
486 }
487 }
488
489 for room_id in room_ids {
490 let mut contacts_to_update = HashSet::default();
491 let mut canceled_calls_to_user_ids = Vec::new();
492 let mut livekit_room = String::new();
493 let mut delete_livekit_room = false;
494
495 if let Some(mut refreshed_room) = app_state
496 .db
497 .clear_stale_room_participants(room_id, server_id)
498 .await
499 .trace_err()
500 {
501 tracing::info!(
502 room_id = room_id.0,
503 new_participant_count = refreshed_room.room.participants.len(),
504 "refreshed room"
505 );
506 room_updated(&refreshed_room.room, &peer);
507 if let Some(channel) = refreshed_room.channel.as_ref() {
508 channel_updated(channel, &refreshed_room.room, &peer, &pool.lock());
509 }
510 contacts_to_update
511 .extend(refreshed_room.stale_participant_user_ids.iter().copied());
512 contacts_to_update
513 .extend(refreshed_room.canceled_calls_to_user_ids.iter().copied());
514 canceled_calls_to_user_ids =
515 mem::take(&mut refreshed_room.canceled_calls_to_user_ids);
516 livekit_room = mem::take(&mut refreshed_room.room.livekit_room);
517 delete_livekit_room = refreshed_room.room.participants.is_empty();
518 }
519
520 {
521 let pool = pool.lock();
522 for canceled_user_id in canceled_calls_to_user_ids {
523 for connection_id in pool.user_connection_ids(canceled_user_id) {
524 peer.send(
525 connection_id,
526 proto::CallCanceled {
527 room_id: room_id.to_proto(),
528 },
529 )
530 .trace_err();
531 }
532 }
533 }
534
535 for user_id in contacts_to_update {
536 let busy = app_state.db.is_user_busy(user_id).await.trace_err();
537 let contacts = app_state.db.get_contacts(user_id).await.trace_err();
538 if let Some((busy, contacts)) = busy.zip(contacts) {
539 let pool = pool.lock();
540 let updated_contact = contact_for_user(user_id, busy, &pool);
541 for contact in contacts {
542 if let db::Contact::Accepted {
543 user_id: contact_user_id,
544 ..
545 } = contact
546 {
547 for contact_conn_id in
548 pool.user_connection_ids(contact_user_id)
549 {
550 peer.send(
551 contact_conn_id,
552 proto::UpdateContacts {
553 contacts: vec![updated_contact.clone()],
554 remove_contacts: Default::default(),
555 incoming_requests: Default::default(),
556 remove_incoming_requests: Default::default(),
557 outgoing_requests: Default::default(),
558 remove_outgoing_requests: Default::default(),
559 },
560 )
561 .trace_err();
562 }
563 }
564 }
565 }
566 }
567
568 if let Some(live_kit) = livekit_client.as_ref() {
569 if delete_livekit_room {
570 live_kit.delete_room(livekit_room).await.trace_err();
571 }
572 }
573 }
574 }
575
576 app_state
577 .db
578 .delete_stale_servers(&app_state.config.zed_environment, server_id)
579 .await
580 .trace_err();
581 }
582 .instrument(span),
583 );
584 Ok(())
585 }
586
587 pub fn teardown(&self) {
588 self.peer.teardown();
589 self.connection_pool.lock().reset();
590 let _ = self.teardown.send(true);
591 }
592
593 #[cfg(test)]
594 pub fn reset(&self, id: ServerId) {
595 self.teardown();
596 *self.id.lock() = id;
597 self.peer.reset(id.0 as u32);
598 let _ = self.teardown.send(false);
599 }
600
601 #[cfg(test)]
602 pub fn id(&self) -> ServerId {
603 *self.id.lock()
604 }
605
606 fn add_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
607 where
608 F: 'static + Send + Sync + Fn(TypedEnvelope<M>, Session) -> Fut,
609 Fut: 'static + Send + Future<Output = Result<()>>,
610 M: EnvelopedMessage,
611 {
612 let prev_handler = self.handlers.insert(
613 TypeId::of::<M>(),
614 Box::new(move |envelope, session| {
615 let envelope = envelope.into_any().downcast::<TypedEnvelope<M>>().unwrap();
616 let received_at = envelope.received_at;
617 tracing::info!("message received");
618 let start_time = Instant::now();
619 let future = (handler)(*envelope, session);
620 async move {
621 let result = future.await;
622 let total_duration_ms = received_at.elapsed().as_micros() as f64 / 1000.0;
623 let processing_duration_ms = start_time.elapsed().as_micros() as f64 / 1000.0;
624 let queue_duration_ms = total_duration_ms - processing_duration_ms;
625 let payload_type = M::NAME;
626
627 match result {
628 Err(error) => {
629 tracing::error!(
630 ?error,
631 total_duration_ms,
632 processing_duration_ms,
633 queue_duration_ms,
634 payload_type,
635 "error handling message"
636 )
637 }
638 Ok(()) => tracing::info!(
639 total_duration_ms,
640 processing_duration_ms,
641 queue_duration_ms,
642 "finished handling message"
643 ),
644 }
645 }
646 .boxed()
647 }),
648 );
649 if prev_handler.is_some() {
650 panic!("registered a handler for the same message twice");
651 }
652 self
653 }
654
655 fn add_message_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
656 where
657 F: 'static + Send + Sync + Fn(M, Session) -> Fut,
658 Fut: 'static + Send + Future<Output = Result<()>>,
659 M: EnvelopedMessage,
660 {
661 self.add_handler(move |envelope, session| handler(envelope.payload, session));
662 self
663 }
664
665 fn add_request_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
666 where
667 F: 'static + Send + Sync + Fn(M, Response<M>, Session) -> Fut,
668 Fut: Send + Future<Output = Result<()>>,
669 M: RequestMessage,
670 {
671 let handler = Arc::new(handler);
672 self.add_handler(move |envelope, session| {
673 let receipt = envelope.receipt();
674 let handler = handler.clone();
675 async move {
676 let peer = session.peer.clone();
677 let responded = Arc::new(AtomicBool::default());
678 let response = Response {
679 peer: peer.clone(),
680 responded: responded.clone(),
681 receipt,
682 };
683 match (handler)(envelope.payload, response, session).await {
684 Ok(()) => {
685 if responded.load(std::sync::atomic::Ordering::SeqCst) {
686 Ok(())
687 } else {
688 Err(anyhow!("handler did not send a response"))?
689 }
690 }
691 Err(error) => {
692 let proto_err = match &error {
693 Error::Internal(err) => err.to_proto(),
694 _ => ErrorCode::Internal.message(format!("{}", error)).to_proto(),
695 };
696 peer.respond_with_error(receipt, proto_err)?;
697 Err(error)
698 }
699 }
700 }
701 })
702 }
703
704 pub fn handle_connection(
705 self: &Arc<Self>,
706 connection: Connection,
707 address: String,
708 principal: Principal,
709 zed_version: ZedVersion,
710 geoip_country_code: Option<String>,
711 system_id: Option<String>,
712 send_connection_id: Option<oneshot::Sender<ConnectionId>>,
713 executor: Executor,
714 ) -> impl Future<Output = ()> + use<> {
715 let this = self.clone();
716 let span = info_span!("handle connection", %address,
717 connection_id=field::Empty,
718 user_id=field::Empty,
719 login=field::Empty,
720 impersonator=field::Empty,
721 geoip_country_code=field::Empty
722 );
723 principal.update_span(&span);
724 if let Some(country_code) = geoip_country_code.as_ref() {
725 span.record("geoip_country_code", country_code);
726 }
727
728 let mut teardown = self.teardown.subscribe();
729 async move {
730 if *teardown.borrow() {
731 tracing::error!("server is tearing down");
732 return
733 }
734 let (connection_id, handle_io, mut incoming_rx) = this
735 .peer
736 .add_connection(connection, {
737 let executor = executor.clone();
738 move |duration| executor.sleep(duration)
739 });
740 tracing::Span::current().record("connection_id", format!("{}", connection_id));
741
742 tracing::info!("connection opened");
743
744 let user_agent = format!("Zed Server/{}", env!("CARGO_PKG_VERSION"));
745 let http_client = match ReqwestClient::user_agent(&user_agent) {
746 Ok(http_client) => Arc::new(http_client),
747 Err(error) => {
748 tracing::error!(?error, "failed to create HTTP client");
749 return;
750 }
751 };
752
753 let supermaven_client = this.app_state.config.supermaven_admin_api_key.clone().map(|supermaven_admin_api_key| Arc::new(SupermavenAdminApi::new(
754 supermaven_admin_api_key.to_string(),
755 http_client.clone(),
756 )));
757
758 let session = Session {
759 principal: principal.clone(),
760 connection_id,
761 db: Arc::new(tokio::sync::Mutex::new(DbHandle(this.app_state.db.clone()))),
762 peer: this.peer.clone(),
763 connection_pool: this.connection_pool.clone(),
764 app_state: this.app_state.clone(),
765 geoip_country_code,
766 system_id,
767 _executor: executor.clone(),
768 supermaven_client,
769 };
770
771 if let Err(error) = this.send_initial_client_update(connection_id, &principal, zed_version, send_connection_id, &session).await {
772 tracing::error!(?error, "failed to send initial client update");
773 return;
774 }
775
776 let handle_io = handle_io.fuse();
777 futures::pin_mut!(handle_io);
778
779 // Handlers for foreground messages are pushed into the following `FuturesUnordered`.
780 // This prevents deadlocks when e.g., client A performs a request to client B and
781 // client B performs a request to client A. If both clients stop processing further
782 // messages until their respective request completes, they won't have a chance to
783 // respond to the other client's request and cause a deadlock.
784 //
785 // This arrangement ensures we will attempt to process earlier messages first, but fall
786 // back to processing messages arrived later in the spirit of making progress.
787 let mut foreground_message_handlers = FuturesUnordered::new();
788 let concurrent_handlers = Arc::new(Semaphore::new(256));
789 loop {
790 let next_message = async {
791 let permit = concurrent_handlers.clone().acquire_owned().await.unwrap();
792 let message = incoming_rx.next().await;
793 (permit, message)
794 }.fuse();
795 futures::pin_mut!(next_message);
796 futures::select_biased! {
797 _ = teardown.changed().fuse() => return,
798 result = handle_io => {
799 if let Err(error) = result {
800 tracing::error!(?error, "error handling I/O");
801 }
802 break;
803 }
804 _ = foreground_message_handlers.next() => {}
805 next_message = next_message => {
806 let (permit, message) = next_message;
807 if let Some(message) = message {
808 let type_name = message.payload_type_name();
809 // note: we copy all the fields from the parent span so we can query them in the logs.
810 // (https://github.com/tokio-rs/tracing/issues/2670).
811 let span = tracing::info_span!("receive message", %connection_id, %address, type_name,
812 user_id=field::Empty,
813 login=field::Empty,
814 impersonator=field::Empty,
815 );
816 principal.update_span(&span);
817 let span_enter = span.enter();
818 if let Some(handler) = this.handlers.get(&message.payload_type_id()) {
819 let is_background = message.is_background();
820 let handle_message = (handler)(message, session.clone());
821 drop(span_enter);
822
823 let handle_message = async move {
824 handle_message.await;
825 drop(permit);
826 }.instrument(span);
827 if is_background {
828 executor.spawn_detached(handle_message);
829 } else {
830 foreground_message_handlers.push(handle_message);
831 }
832 } else {
833 tracing::error!("no message handler");
834 }
835 } else {
836 tracing::info!("connection closed");
837 break;
838 }
839 }
840 }
841 }
842
843 drop(foreground_message_handlers);
844 tracing::info!("signing out");
845 if let Err(error) = connection_lost(session, teardown, executor).await {
846 tracing::error!(?error, "error signing out");
847 }
848
849 }.instrument(span)
850 }
851
852 async fn send_initial_client_update(
853 &self,
854 connection_id: ConnectionId,
855 principal: &Principal,
856 zed_version: ZedVersion,
857 mut send_connection_id: Option<oneshot::Sender<ConnectionId>>,
858 session: &Session,
859 ) -> Result<()> {
860 self.peer.send(
861 connection_id,
862 proto::Hello {
863 peer_id: Some(connection_id.into()),
864 },
865 )?;
866 tracing::info!("sent hello message");
867 if let Some(send_connection_id) = send_connection_id.take() {
868 let _ = send_connection_id.send(connection_id);
869 }
870
871 match principal {
872 Principal::User(user) | Principal::Impersonated { user, admin: _ } => {
873 if !user.connected_once {
874 self.peer.send(connection_id, proto::ShowContacts {})?;
875 self.app_state
876 .db
877 .set_user_connected_once(user.id, true)
878 .await?;
879 }
880
881 update_user_plan(user.id, session).await?;
882
883 let contacts = self.app_state.db.get_contacts(user.id).await?;
884
885 {
886 let mut pool = self.connection_pool.lock();
887 pool.add_connection(connection_id, user.id, user.admin, zed_version);
888 self.peer.send(
889 connection_id,
890 build_initial_contacts_update(contacts, &pool),
891 )?;
892 }
893
894 if should_auto_subscribe_to_channels(zed_version) {
895 subscribe_user_to_channels(user.id, session).await?;
896 }
897
898 if let Some(incoming_call) =
899 self.app_state.db.incoming_call_for_user(user.id).await?
900 {
901 self.peer.send(connection_id, incoming_call)?;
902 }
903
904 update_user_contacts(user.id, session).await?;
905 }
906 }
907
908 Ok(())
909 }
910
911 pub async fn invite_code_redeemed(
912 self: &Arc<Self>,
913 inviter_id: UserId,
914 invitee_id: UserId,
915 ) -> Result<()> {
916 if let Some(user) = self.app_state.db.get_user_by_id(inviter_id).await? {
917 if let Some(code) = &user.invite_code {
918 let pool = self.connection_pool.lock();
919 let invitee_contact = contact_for_user(invitee_id, false, &pool);
920 for connection_id in pool.user_connection_ids(inviter_id) {
921 self.peer.send(
922 connection_id,
923 proto::UpdateContacts {
924 contacts: vec![invitee_contact.clone()],
925 ..Default::default()
926 },
927 )?;
928 self.peer.send(
929 connection_id,
930 proto::UpdateInviteInfo {
931 url: format!("{}{}", self.app_state.config.invite_link_prefix, &code),
932 count: user.invite_count as u32,
933 },
934 )?;
935 }
936 }
937 }
938 Ok(())
939 }
940
941 pub async fn invite_count_updated(self: &Arc<Self>, user_id: UserId) -> Result<()> {
942 if let Some(user) = self.app_state.db.get_user_by_id(user_id).await? {
943 if let Some(invite_code) = &user.invite_code {
944 let pool = self.connection_pool.lock();
945 for connection_id in pool.user_connection_ids(user_id) {
946 self.peer.send(
947 connection_id,
948 proto::UpdateInviteInfo {
949 url: format!(
950 "{}{}",
951 self.app_state.config.invite_link_prefix, invite_code
952 ),
953 count: user.invite_count as u32,
954 },
955 )?;
956 }
957 }
958 }
959 Ok(())
960 }
961
962 pub async fn refresh_llm_tokens_for_user(self: &Arc<Self>, user_id: UserId) {
963 let pool = self.connection_pool.lock();
964 for connection_id in pool.user_connection_ids(user_id) {
965 self.peer
966 .send(connection_id, proto::RefreshLlmToken {})
967 .trace_err();
968 }
969 }
970
971 pub async fn snapshot(self: &Arc<Self>) -> ServerSnapshot {
972 ServerSnapshot {
973 connection_pool: ConnectionPoolGuard {
974 guard: self.connection_pool.lock(),
975 _not_send: PhantomData,
976 },
977 peer: &self.peer,
978 }
979 }
980}
981
982impl Deref for ConnectionPoolGuard<'_> {
983 type Target = ConnectionPool;
984
985 fn deref(&self) -> &Self::Target {
986 &self.guard
987 }
988}
989
990impl DerefMut for ConnectionPoolGuard<'_> {
991 fn deref_mut(&mut self) -> &mut Self::Target {
992 &mut self.guard
993 }
994}
995
996impl Drop for ConnectionPoolGuard<'_> {
997 fn drop(&mut self) {
998 #[cfg(test)]
999 self.check_invariants();
1000 }
1001}
1002
1003fn broadcast<F>(
1004 sender_id: Option<ConnectionId>,
1005 receiver_ids: impl IntoIterator<Item = ConnectionId>,
1006 mut f: F,
1007) where
1008 F: FnMut(ConnectionId) -> anyhow::Result<()>,
1009{
1010 for receiver_id in receiver_ids {
1011 if Some(receiver_id) != sender_id {
1012 if let Err(error) = f(receiver_id) {
1013 tracing::error!("failed to send to {:?} {}", receiver_id, error);
1014 }
1015 }
1016 }
1017}
1018
1019pub struct ProtocolVersion(u32);
1020
1021impl Header for ProtocolVersion {
1022 fn name() -> &'static HeaderName {
1023 static ZED_PROTOCOL_VERSION: OnceLock<HeaderName> = OnceLock::new();
1024 ZED_PROTOCOL_VERSION.get_or_init(|| HeaderName::from_static("x-zed-protocol-version"))
1025 }
1026
1027 fn decode<'i, I>(values: &mut I) -> Result<Self, axum::headers::Error>
1028 where
1029 Self: Sized,
1030 I: Iterator<Item = &'i axum::http::HeaderValue>,
1031 {
1032 let version = values
1033 .next()
1034 .ok_or_else(axum::headers::Error::invalid)?
1035 .to_str()
1036 .map_err(|_| axum::headers::Error::invalid())?
1037 .parse()
1038 .map_err(|_| axum::headers::Error::invalid())?;
1039 Ok(Self(version))
1040 }
1041
1042 fn encode<E: Extend<axum::http::HeaderValue>>(&self, values: &mut E) {
1043 values.extend([self.0.to_string().parse().unwrap()]);
1044 }
1045}
1046
1047pub struct AppVersionHeader(SemanticVersion);
1048impl Header for AppVersionHeader {
1049 fn name() -> &'static HeaderName {
1050 static ZED_APP_VERSION: OnceLock<HeaderName> = OnceLock::new();
1051 ZED_APP_VERSION.get_or_init(|| HeaderName::from_static("x-zed-app-version"))
1052 }
1053
1054 fn decode<'i, I>(values: &mut I) -> Result<Self, axum::headers::Error>
1055 where
1056 Self: Sized,
1057 I: Iterator<Item = &'i axum::http::HeaderValue>,
1058 {
1059 let version = values
1060 .next()
1061 .ok_or_else(axum::headers::Error::invalid)?
1062 .to_str()
1063 .map_err(|_| axum::headers::Error::invalid())?
1064 .parse()
1065 .map_err(|_| axum::headers::Error::invalid())?;
1066 Ok(Self(version))
1067 }
1068
1069 fn encode<E: Extend<axum::http::HeaderValue>>(&self, values: &mut E) {
1070 values.extend([self.0.to_string().parse().unwrap()]);
1071 }
1072}
1073
1074pub fn routes(server: Arc<Server>) -> Router<(), Body> {
1075 Router::new()
1076 .route("/rpc", get(handle_websocket_request))
1077 .layer(
1078 ServiceBuilder::new()
1079 .layer(Extension(server.app_state.clone()))
1080 .layer(middleware::from_fn(auth::validate_header)),
1081 )
1082 .route("/metrics", get(handle_metrics))
1083 .layer(Extension(server))
1084}
1085
1086pub async fn handle_websocket_request(
1087 TypedHeader(ProtocolVersion(protocol_version)): TypedHeader<ProtocolVersion>,
1088 app_version_header: Option<TypedHeader<AppVersionHeader>>,
1089 ConnectInfo(socket_address): ConnectInfo<SocketAddr>,
1090 Extension(server): Extension<Arc<Server>>,
1091 Extension(principal): Extension<Principal>,
1092 country_code_header: Option<TypedHeader<CloudflareIpCountryHeader>>,
1093 system_id_header: Option<TypedHeader<SystemIdHeader>>,
1094 ws: WebSocketUpgrade,
1095) -> axum::response::Response {
1096 if protocol_version != rpc::PROTOCOL_VERSION {
1097 return (
1098 StatusCode::UPGRADE_REQUIRED,
1099 "client must be upgraded".to_string(),
1100 )
1101 .into_response();
1102 }
1103
1104 let Some(version) = app_version_header.map(|header| ZedVersion(header.0.0)) else {
1105 return (
1106 StatusCode::UPGRADE_REQUIRED,
1107 "no version header found".to_string(),
1108 )
1109 .into_response();
1110 };
1111
1112 if !version.can_collaborate() {
1113 return (
1114 StatusCode::UPGRADE_REQUIRED,
1115 "client must be upgraded".to_string(),
1116 )
1117 .into_response();
1118 }
1119
1120 let socket_address = socket_address.to_string();
1121 ws.on_upgrade(move |socket| {
1122 let socket = socket
1123 .map_ok(to_tungstenite_message)
1124 .err_into()
1125 .with(|message| async move { to_axum_message(message) });
1126 let connection = Connection::new(Box::pin(socket));
1127 async move {
1128 server
1129 .handle_connection(
1130 connection,
1131 socket_address,
1132 principal,
1133 version,
1134 country_code_header.map(|header| header.to_string()),
1135 system_id_header.map(|header| header.to_string()),
1136 None,
1137 Executor::Production,
1138 )
1139 .await;
1140 }
1141 })
1142}
1143
1144pub async fn handle_metrics(Extension(server): Extension<Arc<Server>>) -> Result<String> {
1145 static CONNECTIONS_METRIC: OnceLock<IntGauge> = OnceLock::new();
1146 let connections_metric = CONNECTIONS_METRIC
1147 .get_or_init(|| register_int_gauge!("connections", "number of connections").unwrap());
1148
1149 let connections = server
1150 .connection_pool
1151 .lock()
1152 .connections()
1153 .filter(|connection| !connection.admin)
1154 .count();
1155 connections_metric.set(connections as _);
1156
1157 static SHARED_PROJECTS_METRIC: OnceLock<IntGauge> = OnceLock::new();
1158 let shared_projects_metric = SHARED_PROJECTS_METRIC.get_or_init(|| {
1159 register_int_gauge!(
1160 "shared_projects",
1161 "number of open projects with one or more guests"
1162 )
1163 .unwrap()
1164 });
1165
1166 let shared_projects = server.app_state.db.project_count_excluding_admins().await?;
1167 shared_projects_metric.set(shared_projects as _);
1168
1169 let encoder = prometheus::TextEncoder::new();
1170 let metric_families = prometheus::gather();
1171 let encoded_metrics = encoder
1172 .encode_to_string(&metric_families)
1173 .map_err(|err| anyhow!("{}", err))?;
1174 Ok(encoded_metrics)
1175}
1176
1177#[instrument(err, skip(executor))]
1178async fn connection_lost(
1179 session: Session,
1180 mut teardown: watch::Receiver<bool>,
1181 executor: Executor,
1182) -> Result<()> {
1183 session.peer.disconnect(session.connection_id);
1184 session
1185 .connection_pool()
1186 .await
1187 .remove_connection(session.connection_id)?;
1188
1189 session
1190 .db()
1191 .await
1192 .connection_lost(session.connection_id)
1193 .await
1194 .trace_err();
1195
1196 futures::select_biased! {
1197 _ = executor.sleep(RECONNECT_TIMEOUT).fuse() => {
1198
1199 log::info!("connection lost, removing all resources for user:{}, connection:{:?}", session.user_id(), session.connection_id);
1200 leave_room_for_session(&session, session.connection_id).await.trace_err();
1201 leave_channel_buffers_for_session(&session)
1202 .await
1203 .trace_err();
1204
1205 if !session
1206 .connection_pool()
1207 .await
1208 .is_user_online(session.user_id())
1209 {
1210 let db = session.db().await;
1211 if let Some(room) = db.decline_call(None, session.user_id()).await.trace_err().flatten() {
1212 room_updated(&room, &session.peer);
1213 }
1214 }
1215
1216 update_user_contacts(session.user_id(), &session).await?;
1217 },
1218 _ = teardown.changed().fuse() => {}
1219 }
1220
1221 Ok(())
1222}
1223
1224/// Acknowledges a ping from a client, used to keep the connection alive.
1225async fn ping(_: proto::Ping, response: Response<proto::Ping>, _session: Session) -> Result<()> {
1226 response.send(proto::Ack {})?;
1227 Ok(())
1228}
1229
1230/// Creates a new room for calling (outside of channels)
1231async fn create_room(
1232 _request: proto::CreateRoom,
1233 response: Response<proto::CreateRoom>,
1234 session: Session,
1235) -> Result<()> {
1236 let livekit_room = nanoid::nanoid!(30);
1237
1238 let live_kit_connection_info = util::maybe!(async {
1239 let live_kit = session.app_state.livekit_client.as_ref();
1240 let live_kit = live_kit?;
1241 let user_id = session.user_id().to_string();
1242
1243 let token = live_kit
1244 .room_token(&livekit_room, &user_id.to_string())
1245 .trace_err()?;
1246
1247 Some(proto::LiveKitConnectionInfo {
1248 server_url: live_kit.url().into(),
1249 token,
1250 can_publish: true,
1251 })
1252 })
1253 .await;
1254
1255 let room = session
1256 .db()
1257 .await
1258 .create_room(session.user_id(), session.connection_id, &livekit_room)
1259 .await?;
1260
1261 response.send(proto::CreateRoomResponse {
1262 room: Some(room.clone()),
1263 live_kit_connection_info,
1264 })?;
1265
1266 update_user_contacts(session.user_id(), &session).await?;
1267 Ok(())
1268}
1269
1270/// Join a room from an invitation. Equivalent to joining a channel if there is one.
1271async fn join_room(
1272 request: proto::JoinRoom,
1273 response: Response<proto::JoinRoom>,
1274 session: Session,
1275) -> Result<()> {
1276 let room_id = RoomId::from_proto(request.id);
1277
1278 let channel_id = session.db().await.channel_id_for_room(room_id).await?;
1279
1280 if let Some(channel_id) = channel_id {
1281 return join_channel_internal(channel_id, Box::new(response), session).await;
1282 }
1283
1284 let joined_room = {
1285 let room = session
1286 .db()
1287 .await
1288 .join_room(room_id, session.user_id(), session.connection_id)
1289 .await?;
1290 room_updated(&room.room, &session.peer);
1291 room.into_inner()
1292 };
1293
1294 for connection_id in session
1295 .connection_pool()
1296 .await
1297 .user_connection_ids(session.user_id())
1298 {
1299 session
1300 .peer
1301 .send(
1302 connection_id,
1303 proto::CallCanceled {
1304 room_id: room_id.to_proto(),
1305 },
1306 )
1307 .trace_err();
1308 }
1309
1310 let live_kit_connection_info = if let Some(live_kit) = session.app_state.livekit_client.as_ref()
1311 {
1312 live_kit
1313 .room_token(
1314 &joined_room.room.livekit_room,
1315 &session.user_id().to_string(),
1316 )
1317 .trace_err()
1318 .map(|token| proto::LiveKitConnectionInfo {
1319 server_url: live_kit.url().into(),
1320 token,
1321 can_publish: true,
1322 })
1323 } else {
1324 None
1325 };
1326
1327 response.send(proto::JoinRoomResponse {
1328 room: Some(joined_room.room),
1329 channel_id: None,
1330 live_kit_connection_info,
1331 })?;
1332
1333 update_user_contacts(session.user_id(), &session).await?;
1334 Ok(())
1335}
1336
1337/// Rejoin room is used to reconnect to a room after connection errors.
1338async fn rejoin_room(
1339 request: proto::RejoinRoom,
1340 response: Response<proto::RejoinRoom>,
1341 session: Session,
1342) -> Result<()> {
1343 let room;
1344 let channel;
1345 {
1346 let mut rejoined_room = session
1347 .db()
1348 .await
1349 .rejoin_room(request, session.user_id(), session.connection_id)
1350 .await?;
1351
1352 response.send(proto::RejoinRoomResponse {
1353 room: Some(rejoined_room.room.clone()),
1354 reshared_projects: rejoined_room
1355 .reshared_projects
1356 .iter()
1357 .map(|project| proto::ResharedProject {
1358 id: project.id.to_proto(),
1359 collaborators: project
1360 .collaborators
1361 .iter()
1362 .map(|collaborator| collaborator.to_proto())
1363 .collect(),
1364 })
1365 .collect(),
1366 rejoined_projects: rejoined_room
1367 .rejoined_projects
1368 .iter()
1369 .map(|rejoined_project| rejoined_project.to_proto())
1370 .collect(),
1371 })?;
1372 room_updated(&rejoined_room.room, &session.peer);
1373
1374 for project in &rejoined_room.reshared_projects {
1375 for collaborator in &project.collaborators {
1376 session
1377 .peer
1378 .send(
1379 collaborator.connection_id,
1380 proto::UpdateProjectCollaborator {
1381 project_id: project.id.to_proto(),
1382 old_peer_id: Some(project.old_connection_id.into()),
1383 new_peer_id: Some(session.connection_id.into()),
1384 },
1385 )
1386 .trace_err();
1387 }
1388
1389 broadcast(
1390 Some(session.connection_id),
1391 project
1392 .collaborators
1393 .iter()
1394 .map(|collaborator| collaborator.connection_id),
1395 |connection_id| {
1396 session.peer.forward_send(
1397 session.connection_id,
1398 connection_id,
1399 proto::UpdateProject {
1400 project_id: project.id.to_proto(),
1401 worktrees: project.worktrees.clone(),
1402 },
1403 )
1404 },
1405 );
1406 }
1407
1408 notify_rejoined_projects(&mut rejoined_room.rejoined_projects, &session)?;
1409
1410 let rejoined_room = rejoined_room.into_inner();
1411
1412 room = rejoined_room.room;
1413 channel = rejoined_room.channel;
1414 }
1415
1416 if let Some(channel) = channel {
1417 channel_updated(
1418 &channel,
1419 &room,
1420 &session.peer,
1421 &*session.connection_pool().await,
1422 );
1423 }
1424
1425 update_user_contacts(session.user_id(), &session).await?;
1426 Ok(())
1427}
1428
1429fn notify_rejoined_projects(
1430 rejoined_projects: &mut Vec<RejoinedProject>,
1431 session: &Session,
1432) -> Result<()> {
1433 for project in rejoined_projects.iter() {
1434 for collaborator in &project.collaborators {
1435 session
1436 .peer
1437 .send(
1438 collaborator.connection_id,
1439 proto::UpdateProjectCollaborator {
1440 project_id: project.id.to_proto(),
1441 old_peer_id: Some(project.old_connection_id.into()),
1442 new_peer_id: Some(session.connection_id.into()),
1443 },
1444 )
1445 .trace_err();
1446 }
1447 }
1448
1449 for project in rejoined_projects {
1450 for worktree in mem::take(&mut project.worktrees) {
1451 // Stream this worktree's entries.
1452 let message = proto::UpdateWorktree {
1453 project_id: project.id.to_proto(),
1454 worktree_id: worktree.id,
1455 abs_path: worktree.abs_path.clone(),
1456 root_name: worktree.root_name,
1457 updated_entries: worktree.updated_entries,
1458 removed_entries: worktree.removed_entries,
1459 scan_id: worktree.scan_id,
1460 is_last_update: worktree.completed_scan_id == worktree.scan_id,
1461 updated_repositories: worktree.updated_repositories,
1462 removed_repositories: worktree.removed_repositories,
1463 };
1464 for update in proto::split_worktree_update(message) {
1465 session.peer.send(session.connection_id, update)?;
1466 }
1467
1468 // Stream this worktree's diagnostics.
1469 for summary in worktree.diagnostic_summaries {
1470 session.peer.send(
1471 session.connection_id,
1472 proto::UpdateDiagnosticSummary {
1473 project_id: project.id.to_proto(),
1474 worktree_id: worktree.id,
1475 summary: Some(summary),
1476 },
1477 )?;
1478 }
1479
1480 for settings_file in worktree.settings_files {
1481 session.peer.send(
1482 session.connection_id,
1483 proto::UpdateWorktreeSettings {
1484 project_id: project.id.to_proto(),
1485 worktree_id: worktree.id,
1486 path: settings_file.path,
1487 content: Some(settings_file.content),
1488 kind: Some(settings_file.kind.to_proto().into()),
1489 },
1490 )?;
1491 }
1492 }
1493
1494 for repository in mem::take(&mut project.updated_repositories) {
1495 for update in split_repository_update(repository) {
1496 session.peer.send(session.connection_id, update)?;
1497 }
1498 }
1499
1500 for id in mem::take(&mut project.removed_repositories) {
1501 session.peer.send(
1502 session.connection_id,
1503 proto::RemoveRepository {
1504 project_id: project.id.to_proto(),
1505 id,
1506 },
1507 )?;
1508 }
1509 }
1510
1511 Ok(())
1512}
1513
1514/// leave room disconnects from the room.
1515async fn leave_room(
1516 _: proto::LeaveRoom,
1517 response: Response<proto::LeaveRoom>,
1518 session: Session,
1519) -> Result<()> {
1520 leave_room_for_session(&session, session.connection_id).await?;
1521 response.send(proto::Ack {})?;
1522 Ok(())
1523}
1524
1525/// Updates the permissions of someone else in the room.
1526async fn set_room_participant_role(
1527 request: proto::SetRoomParticipantRole,
1528 response: Response<proto::SetRoomParticipantRole>,
1529 session: Session,
1530) -> Result<()> {
1531 let user_id = UserId::from_proto(request.user_id);
1532 let role = ChannelRole::from(request.role());
1533
1534 let (livekit_room, can_publish) = {
1535 let room = session
1536 .db()
1537 .await
1538 .set_room_participant_role(
1539 session.user_id(),
1540 RoomId::from_proto(request.room_id),
1541 user_id,
1542 role,
1543 )
1544 .await?;
1545
1546 let livekit_room = room.livekit_room.clone();
1547 let can_publish = ChannelRole::from(request.role()).can_use_microphone();
1548 room_updated(&room, &session.peer);
1549 (livekit_room, can_publish)
1550 };
1551
1552 if let Some(live_kit) = session.app_state.livekit_client.as_ref() {
1553 live_kit
1554 .update_participant(
1555 livekit_room.clone(),
1556 request.user_id.to_string(),
1557 livekit_api::proto::ParticipantPermission {
1558 can_subscribe: true,
1559 can_publish,
1560 can_publish_data: can_publish,
1561 hidden: false,
1562 recorder: false,
1563 },
1564 )
1565 .await
1566 .trace_err();
1567 }
1568
1569 response.send(proto::Ack {})?;
1570 Ok(())
1571}
1572
1573/// Call someone else into the current room
1574async fn call(
1575 request: proto::Call,
1576 response: Response<proto::Call>,
1577 session: Session,
1578) -> Result<()> {
1579 let room_id = RoomId::from_proto(request.room_id);
1580 let calling_user_id = session.user_id();
1581 let calling_connection_id = session.connection_id;
1582 let called_user_id = UserId::from_proto(request.called_user_id);
1583 let initial_project_id = request.initial_project_id.map(ProjectId::from_proto);
1584 if !session
1585 .db()
1586 .await
1587 .has_contact(calling_user_id, called_user_id)
1588 .await?
1589 {
1590 return Err(anyhow!("cannot call a user who isn't a contact"))?;
1591 }
1592
1593 let incoming_call = {
1594 let (room, incoming_call) = &mut *session
1595 .db()
1596 .await
1597 .call(
1598 room_id,
1599 calling_user_id,
1600 calling_connection_id,
1601 called_user_id,
1602 initial_project_id,
1603 )
1604 .await?;
1605 room_updated(room, &session.peer);
1606 mem::take(incoming_call)
1607 };
1608 update_user_contacts(called_user_id, &session).await?;
1609
1610 let mut calls = session
1611 .connection_pool()
1612 .await
1613 .user_connection_ids(called_user_id)
1614 .map(|connection_id| session.peer.request(connection_id, incoming_call.clone()))
1615 .collect::<FuturesUnordered<_>>();
1616
1617 while let Some(call_response) = calls.next().await {
1618 match call_response.as_ref() {
1619 Ok(_) => {
1620 response.send(proto::Ack {})?;
1621 return Ok(());
1622 }
1623 Err(_) => {
1624 call_response.trace_err();
1625 }
1626 }
1627 }
1628
1629 {
1630 let room = session
1631 .db()
1632 .await
1633 .call_failed(room_id, called_user_id)
1634 .await?;
1635 room_updated(&room, &session.peer);
1636 }
1637 update_user_contacts(called_user_id, &session).await?;
1638
1639 Err(anyhow!("failed to ring user"))?
1640}
1641
1642/// Cancel an outgoing call.
1643async fn cancel_call(
1644 request: proto::CancelCall,
1645 response: Response<proto::CancelCall>,
1646 session: Session,
1647) -> Result<()> {
1648 let called_user_id = UserId::from_proto(request.called_user_id);
1649 let room_id = RoomId::from_proto(request.room_id);
1650 {
1651 let room = session
1652 .db()
1653 .await
1654 .cancel_call(room_id, session.connection_id, called_user_id)
1655 .await?;
1656 room_updated(&room, &session.peer);
1657 }
1658
1659 for connection_id in session
1660 .connection_pool()
1661 .await
1662 .user_connection_ids(called_user_id)
1663 {
1664 session
1665 .peer
1666 .send(
1667 connection_id,
1668 proto::CallCanceled {
1669 room_id: room_id.to_proto(),
1670 },
1671 )
1672 .trace_err();
1673 }
1674 response.send(proto::Ack {})?;
1675
1676 update_user_contacts(called_user_id, &session).await?;
1677 Ok(())
1678}
1679
1680/// Decline an incoming call.
1681async fn decline_call(message: proto::DeclineCall, session: Session) -> Result<()> {
1682 let room_id = RoomId::from_proto(message.room_id);
1683 {
1684 let room = session
1685 .db()
1686 .await
1687 .decline_call(Some(room_id), session.user_id())
1688 .await?
1689 .ok_or_else(|| anyhow!("failed to decline call"))?;
1690 room_updated(&room, &session.peer);
1691 }
1692
1693 for connection_id in session
1694 .connection_pool()
1695 .await
1696 .user_connection_ids(session.user_id())
1697 {
1698 session
1699 .peer
1700 .send(
1701 connection_id,
1702 proto::CallCanceled {
1703 room_id: room_id.to_proto(),
1704 },
1705 )
1706 .trace_err();
1707 }
1708 update_user_contacts(session.user_id(), &session).await?;
1709 Ok(())
1710}
1711
1712/// Updates other participants in the room with your current location.
1713async fn update_participant_location(
1714 request: proto::UpdateParticipantLocation,
1715 response: Response<proto::UpdateParticipantLocation>,
1716 session: Session,
1717) -> Result<()> {
1718 let room_id = RoomId::from_proto(request.room_id);
1719 let location = request
1720 .location
1721 .ok_or_else(|| anyhow!("invalid location"))?;
1722
1723 let db = session.db().await;
1724 let room = db
1725 .update_room_participant_location(room_id, session.connection_id, location)
1726 .await?;
1727
1728 room_updated(&room, &session.peer);
1729 response.send(proto::Ack {})?;
1730 Ok(())
1731}
1732
1733/// Share a project into the room.
1734async fn share_project(
1735 request: proto::ShareProject,
1736 response: Response<proto::ShareProject>,
1737 session: Session,
1738) -> Result<()> {
1739 let (project_id, room) = &*session
1740 .db()
1741 .await
1742 .share_project(
1743 RoomId::from_proto(request.room_id),
1744 session.connection_id,
1745 &request.worktrees,
1746 request.is_ssh_project,
1747 )
1748 .await?;
1749 response.send(proto::ShareProjectResponse {
1750 project_id: project_id.to_proto(),
1751 })?;
1752 room_updated(room, &session.peer);
1753
1754 Ok(())
1755}
1756
1757/// Unshare a project from the room.
1758async fn unshare_project(message: proto::UnshareProject, session: Session) -> Result<()> {
1759 let project_id = ProjectId::from_proto(message.project_id);
1760 unshare_project_internal(project_id, session.connection_id, &session).await
1761}
1762
1763async fn unshare_project_internal(
1764 project_id: ProjectId,
1765 connection_id: ConnectionId,
1766 session: &Session,
1767) -> Result<()> {
1768 let delete = {
1769 let room_guard = session
1770 .db()
1771 .await
1772 .unshare_project(project_id, connection_id)
1773 .await?;
1774
1775 let (delete, room, guest_connection_ids) = &*room_guard;
1776
1777 let message = proto::UnshareProject {
1778 project_id: project_id.to_proto(),
1779 };
1780
1781 broadcast(
1782 Some(connection_id),
1783 guest_connection_ids.iter().copied(),
1784 |conn_id| session.peer.send(conn_id, message.clone()),
1785 );
1786 if let Some(room) = room {
1787 room_updated(room, &session.peer);
1788 }
1789
1790 *delete
1791 };
1792
1793 if delete {
1794 let db = session.db().await;
1795 db.delete_project(project_id).await?;
1796 }
1797
1798 Ok(())
1799}
1800
1801/// Join someone elses shared project.
1802async fn join_project(
1803 request: proto::JoinProject,
1804 response: Response<proto::JoinProject>,
1805 session: Session,
1806) -> Result<()> {
1807 let project_id = ProjectId::from_proto(request.project_id);
1808
1809 tracing::info!(%project_id, "join project");
1810
1811 let db = session.db().await;
1812 let (project, replica_id) = &mut *db
1813 .join_project(project_id, session.connection_id, session.user_id())
1814 .await?;
1815 drop(db);
1816 tracing::info!(%project_id, "join remote project");
1817 join_project_internal(response, session, project, replica_id)
1818}
1819
1820trait JoinProjectInternalResponse {
1821 fn send(self, result: proto::JoinProjectResponse) -> Result<()>;
1822}
1823impl JoinProjectInternalResponse for Response<proto::JoinProject> {
1824 fn send(self, result: proto::JoinProjectResponse) -> Result<()> {
1825 Response::<proto::JoinProject>::send(self, result)
1826 }
1827}
1828
1829fn join_project_internal(
1830 response: impl JoinProjectInternalResponse,
1831 session: Session,
1832 project: &mut Project,
1833 replica_id: &ReplicaId,
1834) -> Result<()> {
1835 let collaborators = project
1836 .collaborators
1837 .iter()
1838 .filter(|collaborator| collaborator.connection_id != session.connection_id)
1839 .map(|collaborator| collaborator.to_proto())
1840 .collect::<Vec<_>>();
1841 let project_id = project.id;
1842 let guest_user_id = session.user_id();
1843
1844 let worktrees = project
1845 .worktrees
1846 .iter()
1847 .map(|(id, worktree)| proto::WorktreeMetadata {
1848 id: *id,
1849 root_name: worktree.root_name.clone(),
1850 visible: worktree.visible,
1851 abs_path: worktree.abs_path.clone(),
1852 })
1853 .collect::<Vec<_>>();
1854
1855 let add_project_collaborator = proto::AddProjectCollaborator {
1856 project_id: project_id.to_proto(),
1857 collaborator: Some(proto::Collaborator {
1858 peer_id: Some(session.connection_id.into()),
1859 replica_id: replica_id.0 as u32,
1860 user_id: guest_user_id.to_proto(),
1861 is_host: false,
1862 }),
1863 };
1864
1865 for collaborator in &collaborators {
1866 session
1867 .peer
1868 .send(
1869 collaborator.peer_id.unwrap().into(),
1870 add_project_collaborator.clone(),
1871 )
1872 .trace_err();
1873 }
1874
1875 // First, we send the metadata associated with each worktree.
1876 response.send(proto::JoinProjectResponse {
1877 project_id: project.id.0 as u64,
1878 worktrees: worktrees.clone(),
1879 replica_id: replica_id.0 as u32,
1880 collaborators: collaborators.clone(),
1881 language_servers: project.language_servers.clone(),
1882 role: project.role.into(),
1883 })?;
1884
1885 for (worktree_id, worktree) in mem::take(&mut project.worktrees) {
1886 // Stream this worktree's entries.
1887 let message = proto::UpdateWorktree {
1888 project_id: project_id.to_proto(),
1889 worktree_id,
1890 abs_path: worktree.abs_path.clone(),
1891 root_name: worktree.root_name,
1892 updated_entries: worktree.entries,
1893 removed_entries: Default::default(),
1894 scan_id: worktree.scan_id,
1895 is_last_update: worktree.scan_id == worktree.completed_scan_id,
1896 updated_repositories: worktree.legacy_repository_entries.into_values().collect(),
1897 removed_repositories: Default::default(),
1898 };
1899 for update in proto::split_worktree_update(message) {
1900 session.peer.send(session.connection_id, update.clone())?;
1901 }
1902
1903 // Stream this worktree's diagnostics.
1904 for summary in worktree.diagnostic_summaries {
1905 session.peer.send(
1906 session.connection_id,
1907 proto::UpdateDiagnosticSummary {
1908 project_id: project_id.to_proto(),
1909 worktree_id: worktree.id,
1910 summary: Some(summary),
1911 },
1912 )?;
1913 }
1914
1915 for settings_file in worktree.settings_files {
1916 session.peer.send(
1917 session.connection_id,
1918 proto::UpdateWorktreeSettings {
1919 project_id: project_id.to_proto(),
1920 worktree_id: worktree.id,
1921 path: settings_file.path,
1922 content: Some(settings_file.content),
1923 kind: Some(settings_file.kind.to_proto() as i32),
1924 },
1925 )?;
1926 }
1927 }
1928
1929 for repository in mem::take(&mut project.repositories) {
1930 for update in split_repository_update(repository) {
1931 session.peer.send(session.connection_id, update)?;
1932 }
1933 }
1934
1935 for language_server in &project.language_servers {
1936 session.peer.send(
1937 session.connection_id,
1938 proto::UpdateLanguageServer {
1939 project_id: project_id.to_proto(),
1940 language_server_id: language_server.id,
1941 variant: Some(
1942 proto::update_language_server::Variant::DiskBasedDiagnosticsUpdated(
1943 proto::LspDiskBasedDiagnosticsUpdated {},
1944 ),
1945 ),
1946 },
1947 )?;
1948 }
1949
1950 Ok(())
1951}
1952
1953/// Leave someone elses shared project.
1954async fn leave_project(request: proto::LeaveProject, session: Session) -> Result<()> {
1955 let sender_id = session.connection_id;
1956 let project_id = ProjectId::from_proto(request.project_id);
1957 let db = session.db().await;
1958
1959 let (room, project) = &*db.leave_project(project_id, sender_id).await?;
1960 tracing::info!(
1961 %project_id,
1962 "leave project"
1963 );
1964
1965 project_left(project, &session);
1966 if let Some(room) = room {
1967 room_updated(room, &session.peer);
1968 }
1969
1970 Ok(())
1971}
1972
1973/// Updates other participants with changes to the project
1974async fn update_project(
1975 request: proto::UpdateProject,
1976 response: Response<proto::UpdateProject>,
1977 session: Session,
1978) -> Result<()> {
1979 let project_id = ProjectId::from_proto(request.project_id);
1980 let (room, guest_connection_ids) = &*session
1981 .db()
1982 .await
1983 .update_project(project_id, session.connection_id, &request.worktrees)
1984 .await?;
1985 broadcast(
1986 Some(session.connection_id),
1987 guest_connection_ids.iter().copied(),
1988 |connection_id| {
1989 session
1990 .peer
1991 .forward_send(session.connection_id, connection_id, request.clone())
1992 },
1993 );
1994 if let Some(room) = room {
1995 room_updated(room, &session.peer);
1996 }
1997 response.send(proto::Ack {})?;
1998
1999 Ok(())
2000}
2001
2002/// Updates other participants with changes to the worktree
2003async fn update_worktree(
2004 request: proto::UpdateWorktree,
2005 response: Response<proto::UpdateWorktree>,
2006 session: Session,
2007) -> Result<()> {
2008 let guest_connection_ids = session
2009 .db()
2010 .await
2011 .update_worktree(&request, session.connection_id)
2012 .await?;
2013
2014 broadcast(
2015 Some(session.connection_id),
2016 guest_connection_ids.iter().copied(),
2017 |connection_id| {
2018 session
2019 .peer
2020 .forward_send(session.connection_id, connection_id, request.clone())
2021 },
2022 );
2023 response.send(proto::Ack {})?;
2024 Ok(())
2025}
2026
2027async fn update_repository(
2028 request: proto::UpdateRepository,
2029 response: Response<proto::UpdateRepository>,
2030 session: Session,
2031) -> Result<()> {
2032 let guest_connection_ids = session
2033 .db()
2034 .await
2035 .update_repository(&request, session.connection_id)
2036 .await?;
2037
2038 broadcast(
2039 Some(session.connection_id),
2040 guest_connection_ids.iter().copied(),
2041 |connection_id| {
2042 session
2043 .peer
2044 .forward_send(session.connection_id, connection_id, request.clone())
2045 },
2046 );
2047 response.send(proto::Ack {})?;
2048 Ok(())
2049}
2050
2051async fn remove_repository(
2052 request: proto::RemoveRepository,
2053 response: Response<proto::RemoveRepository>,
2054 session: Session,
2055) -> Result<()> {
2056 let guest_connection_ids = session
2057 .db()
2058 .await
2059 .remove_repository(&request, session.connection_id)
2060 .await?;
2061
2062 broadcast(
2063 Some(session.connection_id),
2064 guest_connection_ids.iter().copied(),
2065 |connection_id| {
2066 session
2067 .peer
2068 .forward_send(session.connection_id, connection_id, request.clone())
2069 },
2070 );
2071 response.send(proto::Ack {})?;
2072 Ok(())
2073}
2074
2075/// Updates other participants with changes to the diagnostics
2076async fn update_diagnostic_summary(
2077 message: proto::UpdateDiagnosticSummary,
2078 session: Session,
2079) -> Result<()> {
2080 let guest_connection_ids = session
2081 .db()
2082 .await
2083 .update_diagnostic_summary(&message, session.connection_id)
2084 .await?;
2085
2086 broadcast(
2087 Some(session.connection_id),
2088 guest_connection_ids.iter().copied(),
2089 |connection_id| {
2090 session
2091 .peer
2092 .forward_send(session.connection_id, connection_id, message.clone())
2093 },
2094 );
2095
2096 Ok(())
2097}
2098
2099/// Updates other participants with changes to the worktree settings
2100async fn update_worktree_settings(
2101 message: proto::UpdateWorktreeSettings,
2102 session: Session,
2103) -> Result<()> {
2104 let guest_connection_ids = session
2105 .db()
2106 .await
2107 .update_worktree_settings(&message, session.connection_id)
2108 .await?;
2109
2110 broadcast(
2111 Some(session.connection_id),
2112 guest_connection_ids.iter().copied(),
2113 |connection_id| {
2114 session
2115 .peer
2116 .forward_send(session.connection_id, connection_id, message.clone())
2117 },
2118 );
2119
2120 Ok(())
2121}
2122
2123/// Notify other participants that a language server has started.
2124async fn start_language_server(
2125 request: proto::StartLanguageServer,
2126 session: Session,
2127) -> Result<()> {
2128 let guest_connection_ids = session
2129 .db()
2130 .await
2131 .start_language_server(&request, session.connection_id)
2132 .await?;
2133
2134 broadcast(
2135 Some(session.connection_id),
2136 guest_connection_ids.iter().copied(),
2137 |connection_id| {
2138 session
2139 .peer
2140 .forward_send(session.connection_id, connection_id, request.clone())
2141 },
2142 );
2143 Ok(())
2144}
2145
2146/// Notify other participants that a language server has changed.
2147async fn update_language_server(
2148 request: proto::UpdateLanguageServer,
2149 session: Session,
2150) -> Result<()> {
2151 let project_id = ProjectId::from_proto(request.project_id);
2152 let project_connection_ids = session
2153 .db()
2154 .await
2155 .project_connection_ids(project_id, session.connection_id, true)
2156 .await?;
2157 broadcast(
2158 Some(session.connection_id),
2159 project_connection_ids.iter().copied(),
2160 |connection_id| {
2161 session
2162 .peer
2163 .forward_send(session.connection_id, connection_id, request.clone())
2164 },
2165 );
2166 Ok(())
2167}
2168
2169/// forward a project request to the host. These requests should be read only
2170/// as guests are allowed to send them.
2171async fn forward_read_only_project_request<T>(
2172 request: T,
2173 response: Response<T>,
2174 session: Session,
2175) -> Result<()>
2176where
2177 T: EntityMessage + RequestMessage,
2178{
2179 let project_id = ProjectId::from_proto(request.remote_entity_id());
2180 let host_connection_id = session
2181 .db()
2182 .await
2183 .host_for_read_only_project_request(project_id, session.connection_id)
2184 .await?;
2185 let payload = session
2186 .peer
2187 .forward_request(session.connection_id, host_connection_id, request)
2188 .await?;
2189 response.send(payload)?;
2190 Ok(())
2191}
2192
2193async fn forward_find_search_candidates_request(
2194 request: proto::FindSearchCandidates,
2195 response: Response<proto::FindSearchCandidates>,
2196 session: Session,
2197) -> Result<()> {
2198 let project_id = ProjectId::from_proto(request.remote_entity_id());
2199 let host_connection_id = session
2200 .db()
2201 .await
2202 .host_for_read_only_project_request(project_id, session.connection_id)
2203 .await?;
2204 let payload = session
2205 .peer
2206 .forward_request(session.connection_id, host_connection_id, request)
2207 .await?;
2208 response.send(payload)?;
2209 Ok(())
2210}
2211
2212/// forward a project request to the host. These requests are disallowed
2213/// for guests.
2214async fn forward_mutating_project_request<T>(
2215 request: T,
2216 response: Response<T>,
2217 session: Session,
2218) -> Result<()>
2219where
2220 T: EntityMessage + RequestMessage,
2221{
2222 let project_id = ProjectId::from_proto(request.remote_entity_id());
2223
2224 let host_connection_id = session
2225 .db()
2226 .await
2227 .host_for_mutating_project_request(project_id, session.connection_id)
2228 .await?;
2229 let payload = session
2230 .peer
2231 .forward_request(session.connection_id, host_connection_id, request)
2232 .await?;
2233 response.send(payload)?;
2234 Ok(())
2235}
2236
2237/// Notify other participants that a new buffer has been created
2238async fn create_buffer_for_peer(
2239 request: proto::CreateBufferForPeer,
2240 session: Session,
2241) -> Result<()> {
2242 session
2243 .db()
2244 .await
2245 .check_user_is_project_host(
2246 ProjectId::from_proto(request.project_id),
2247 session.connection_id,
2248 )
2249 .await?;
2250 let peer_id = request.peer_id.ok_or_else(|| anyhow!("invalid peer id"))?;
2251 session
2252 .peer
2253 .forward_send(session.connection_id, peer_id.into(), request)?;
2254 Ok(())
2255}
2256
2257/// Notify other participants that a buffer has been updated. This is
2258/// allowed for guests as long as the update is limited to selections.
2259async fn update_buffer(
2260 request: proto::UpdateBuffer,
2261 response: Response<proto::UpdateBuffer>,
2262 session: Session,
2263) -> Result<()> {
2264 let project_id = ProjectId::from_proto(request.project_id);
2265 let mut capability = Capability::ReadOnly;
2266
2267 for op in request.operations.iter() {
2268 match op.variant {
2269 None | Some(proto::operation::Variant::UpdateSelections(_)) => {}
2270 Some(_) => capability = Capability::ReadWrite,
2271 }
2272 }
2273
2274 let host = {
2275 let guard = session
2276 .db()
2277 .await
2278 .connections_for_buffer_update(project_id, session.connection_id, capability)
2279 .await?;
2280
2281 let (host, guests) = &*guard;
2282
2283 broadcast(
2284 Some(session.connection_id),
2285 guests.clone(),
2286 |connection_id| {
2287 session
2288 .peer
2289 .forward_send(session.connection_id, connection_id, request.clone())
2290 },
2291 );
2292
2293 *host
2294 };
2295
2296 if host != session.connection_id {
2297 session
2298 .peer
2299 .forward_request(session.connection_id, host, request.clone())
2300 .await?;
2301 }
2302
2303 response.send(proto::Ack {})?;
2304 Ok(())
2305}
2306
2307async fn update_context(message: proto::UpdateContext, session: Session) -> Result<()> {
2308 let project_id = ProjectId::from_proto(message.project_id);
2309
2310 let operation = message.operation.as_ref().context("invalid operation")?;
2311 let capability = match operation.variant.as_ref() {
2312 Some(proto::context_operation::Variant::BufferOperation(buffer_op)) => {
2313 if let Some(buffer_op) = buffer_op.operation.as_ref() {
2314 match buffer_op.variant {
2315 None | Some(proto::operation::Variant::UpdateSelections(_)) => {
2316 Capability::ReadOnly
2317 }
2318 _ => Capability::ReadWrite,
2319 }
2320 } else {
2321 Capability::ReadWrite
2322 }
2323 }
2324 Some(_) => Capability::ReadWrite,
2325 None => Capability::ReadOnly,
2326 };
2327
2328 let guard = session
2329 .db()
2330 .await
2331 .connections_for_buffer_update(project_id, session.connection_id, capability)
2332 .await?;
2333
2334 let (host, guests) = &*guard;
2335
2336 broadcast(
2337 Some(session.connection_id),
2338 guests.iter().chain([host]).copied(),
2339 |connection_id| {
2340 session
2341 .peer
2342 .forward_send(session.connection_id, connection_id, message.clone())
2343 },
2344 );
2345
2346 Ok(())
2347}
2348
2349/// Notify other participants that a project has been updated.
2350async fn broadcast_project_message_from_host<T: EntityMessage<Entity = ShareProject>>(
2351 request: T,
2352 session: Session,
2353) -> Result<()> {
2354 let project_id = ProjectId::from_proto(request.remote_entity_id());
2355 let project_connection_ids = session
2356 .db()
2357 .await
2358 .project_connection_ids(project_id, session.connection_id, false)
2359 .await?;
2360
2361 broadcast(
2362 Some(session.connection_id),
2363 project_connection_ids.iter().copied(),
2364 |connection_id| {
2365 session
2366 .peer
2367 .forward_send(session.connection_id, connection_id, request.clone())
2368 },
2369 );
2370 Ok(())
2371}
2372
2373/// Start following another user in a call.
2374async fn follow(
2375 request: proto::Follow,
2376 response: Response<proto::Follow>,
2377 session: Session,
2378) -> Result<()> {
2379 let room_id = RoomId::from_proto(request.room_id);
2380 let project_id = request.project_id.map(ProjectId::from_proto);
2381 let leader_id = request
2382 .leader_id
2383 .ok_or_else(|| anyhow!("invalid leader id"))?
2384 .into();
2385 let follower_id = session.connection_id;
2386
2387 session
2388 .db()
2389 .await
2390 .check_room_participants(room_id, leader_id, session.connection_id)
2391 .await?;
2392
2393 let response_payload = session
2394 .peer
2395 .forward_request(session.connection_id, leader_id, request)
2396 .await?;
2397 response.send(response_payload)?;
2398
2399 if let Some(project_id) = project_id {
2400 let room = session
2401 .db()
2402 .await
2403 .follow(room_id, project_id, leader_id, follower_id)
2404 .await?;
2405 room_updated(&room, &session.peer);
2406 }
2407
2408 Ok(())
2409}
2410
2411/// Stop following another user in a call.
2412async fn unfollow(request: proto::Unfollow, session: Session) -> Result<()> {
2413 let room_id = RoomId::from_proto(request.room_id);
2414 let project_id = request.project_id.map(ProjectId::from_proto);
2415 let leader_id = request
2416 .leader_id
2417 .ok_or_else(|| anyhow!("invalid leader id"))?
2418 .into();
2419 let follower_id = session.connection_id;
2420
2421 session
2422 .db()
2423 .await
2424 .check_room_participants(room_id, leader_id, session.connection_id)
2425 .await?;
2426
2427 session
2428 .peer
2429 .forward_send(session.connection_id, leader_id, request)?;
2430
2431 if let Some(project_id) = project_id {
2432 let room = session
2433 .db()
2434 .await
2435 .unfollow(room_id, project_id, leader_id, follower_id)
2436 .await?;
2437 room_updated(&room, &session.peer);
2438 }
2439
2440 Ok(())
2441}
2442
2443/// Notify everyone following you of your current location.
2444async fn update_followers(request: proto::UpdateFollowers, session: Session) -> Result<()> {
2445 let room_id = RoomId::from_proto(request.room_id);
2446 let database = session.db.lock().await;
2447
2448 let connection_ids = if let Some(project_id) = request.project_id {
2449 let project_id = ProjectId::from_proto(project_id);
2450 database
2451 .project_connection_ids(project_id, session.connection_id, true)
2452 .await?
2453 } else {
2454 database
2455 .room_connection_ids(room_id, session.connection_id)
2456 .await?
2457 };
2458
2459 // For now, don't send view update messages back to that view's current leader.
2460 let peer_id_to_omit = request.variant.as_ref().and_then(|variant| match variant {
2461 proto::update_followers::Variant::UpdateView(payload) => payload.leader_id,
2462 _ => None,
2463 });
2464
2465 for connection_id in connection_ids.iter().cloned() {
2466 if Some(connection_id.into()) != peer_id_to_omit && connection_id != session.connection_id {
2467 session
2468 .peer
2469 .forward_send(session.connection_id, connection_id, request.clone())?;
2470 }
2471 }
2472 Ok(())
2473}
2474
2475/// Get public data about users.
2476async fn get_users(
2477 request: proto::GetUsers,
2478 response: Response<proto::GetUsers>,
2479 session: Session,
2480) -> Result<()> {
2481 let user_ids = request
2482 .user_ids
2483 .into_iter()
2484 .map(UserId::from_proto)
2485 .collect();
2486 let users = session
2487 .db()
2488 .await
2489 .get_users_by_ids(user_ids)
2490 .await?
2491 .into_iter()
2492 .map(|user| proto::User {
2493 id: user.id.to_proto(),
2494 avatar_url: format!("https://github.com/{}.png?size=128", user.github_login),
2495 github_login: user.github_login,
2496 email: user.email_address,
2497 name: user.name,
2498 })
2499 .collect();
2500 response.send(proto::UsersResponse { users })?;
2501 Ok(())
2502}
2503
2504/// Search for users (to invite) buy Github login
2505async fn fuzzy_search_users(
2506 request: proto::FuzzySearchUsers,
2507 response: Response<proto::FuzzySearchUsers>,
2508 session: Session,
2509) -> Result<()> {
2510 let query = request.query;
2511 let users = match query.len() {
2512 0 => vec![],
2513 1 | 2 => session
2514 .db()
2515 .await
2516 .get_user_by_github_login(&query)
2517 .await?
2518 .into_iter()
2519 .collect(),
2520 _ => session.db().await.fuzzy_search_users(&query, 10).await?,
2521 };
2522 let users = users
2523 .into_iter()
2524 .filter(|user| user.id != session.user_id())
2525 .map(|user| proto::User {
2526 id: user.id.to_proto(),
2527 avatar_url: format!("https://github.com/{}.png?size=128", user.github_login),
2528 github_login: user.github_login,
2529 name: user.name,
2530 email: user.email_address,
2531 })
2532 .collect();
2533 response.send(proto::UsersResponse { users })?;
2534 Ok(())
2535}
2536
2537/// Send a contact request to another user.
2538async fn request_contact(
2539 request: proto::RequestContact,
2540 response: Response<proto::RequestContact>,
2541 session: Session,
2542) -> Result<()> {
2543 let requester_id = session.user_id();
2544 let responder_id = UserId::from_proto(request.responder_id);
2545 if requester_id == responder_id {
2546 return Err(anyhow!("cannot add yourself as a contact"))?;
2547 }
2548
2549 let notifications = session
2550 .db()
2551 .await
2552 .send_contact_request(requester_id, responder_id)
2553 .await?;
2554
2555 // Update outgoing contact requests of requester
2556 let mut update = proto::UpdateContacts::default();
2557 update.outgoing_requests.push(responder_id.to_proto());
2558 for connection_id in session
2559 .connection_pool()
2560 .await
2561 .user_connection_ids(requester_id)
2562 {
2563 session.peer.send(connection_id, update.clone())?;
2564 }
2565
2566 // Update incoming contact requests of responder
2567 let mut update = proto::UpdateContacts::default();
2568 update
2569 .incoming_requests
2570 .push(proto::IncomingContactRequest {
2571 requester_id: requester_id.to_proto(),
2572 });
2573 let connection_pool = session.connection_pool().await;
2574 for connection_id in connection_pool.user_connection_ids(responder_id) {
2575 session.peer.send(connection_id, update.clone())?;
2576 }
2577
2578 send_notifications(&connection_pool, &session.peer, notifications);
2579
2580 response.send(proto::Ack {})?;
2581 Ok(())
2582}
2583
2584/// Accept or decline a contact request
2585async fn respond_to_contact_request(
2586 request: proto::RespondToContactRequest,
2587 response: Response<proto::RespondToContactRequest>,
2588 session: Session,
2589) -> Result<()> {
2590 let responder_id = session.user_id();
2591 let requester_id = UserId::from_proto(request.requester_id);
2592 let db = session.db().await;
2593 if request.response == proto::ContactRequestResponse::Dismiss as i32 {
2594 db.dismiss_contact_notification(responder_id, requester_id)
2595 .await?;
2596 } else {
2597 let accept = request.response == proto::ContactRequestResponse::Accept as i32;
2598
2599 let notifications = db
2600 .respond_to_contact_request(responder_id, requester_id, accept)
2601 .await?;
2602 let requester_busy = db.is_user_busy(requester_id).await?;
2603 let responder_busy = db.is_user_busy(responder_id).await?;
2604
2605 let pool = session.connection_pool().await;
2606 // Update responder with new contact
2607 let mut update = proto::UpdateContacts::default();
2608 if accept {
2609 update
2610 .contacts
2611 .push(contact_for_user(requester_id, requester_busy, &pool));
2612 }
2613 update
2614 .remove_incoming_requests
2615 .push(requester_id.to_proto());
2616 for connection_id in pool.user_connection_ids(responder_id) {
2617 session.peer.send(connection_id, update.clone())?;
2618 }
2619
2620 // Update requester with new contact
2621 let mut update = proto::UpdateContacts::default();
2622 if accept {
2623 update
2624 .contacts
2625 .push(contact_for_user(responder_id, responder_busy, &pool));
2626 }
2627 update
2628 .remove_outgoing_requests
2629 .push(responder_id.to_proto());
2630
2631 for connection_id in pool.user_connection_ids(requester_id) {
2632 session.peer.send(connection_id, update.clone())?;
2633 }
2634
2635 send_notifications(&pool, &session.peer, notifications);
2636 }
2637
2638 response.send(proto::Ack {})?;
2639 Ok(())
2640}
2641
2642/// Remove a contact.
2643async fn remove_contact(
2644 request: proto::RemoveContact,
2645 response: Response<proto::RemoveContact>,
2646 session: Session,
2647) -> Result<()> {
2648 let requester_id = session.user_id();
2649 let responder_id = UserId::from_proto(request.user_id);
2650 let db = session.db().await;
2651 let (contact_accepted, deleted_notification_id) =
2652 db.remove_contact(requester_id, responder_id).await?;
2653
2654 let pool = session.connection_pool().await;
2655 // Update outgoing contact requests of requester
2656 let mut update = proto::UpdateContacts::default();
2657 if contact_accepted {
2658 update.remove_contacts.push(responder_id.to_proto());
2659 } else {
2660 update
2661 .remove_outgoing_requests
2662 .push(responder_id.to_proto());
2663 }
2664 for connection_id in pool.user_connection_ids(requester_id) {
2665 session.peer.send(connection_id, update.clone())?;
2666 }
2667
2668 // Update incoming contact requests of responder
2669 let mut update = proto::UpdateContacts::default();
2670 if contact_accepted {
2671 update.remove_contacts.push(requester_id.to_proto());
2672 } else {
2673 update
2674 .remove_incoming_requests
2675 .push(requester_id.to_proto());
2676 }
2677 for connection_id in pool.user_connection_ids(responder_id) {
2678 session.peer.send(connection_id, update.clone())?;
2679 if let Some(notification_id) = deleted_notification_id {
2680 session.peer.send(
2681 connection_id,
2682 proto::DeleteNotification {
2683 notification_id: notification_id.to_proto(),
2684 },
2685 )?;
2686 }
2687 }
2688
2689 response.send(proto::Ack {})?;
2690 Ok(())
2691}
2692
2693fn should_auto_subscribe_to_channels(version: ZedVersion) -> bool {
2694 version.0.minor() < 139
2695}
2696
2697async fn update_user_plan(_user_id: UserId, session: &Session) -> Result<()> {
2698 let plan = session.current_plan(&session.db().await).await?;
2699
2700 session
2701 .peer
2702 .send(
2703 session.connection_id,
2704 proto::UpdateUserPlan { plan: plan.into() },
2705 )
2706 .trace_err();
2707
2708 Ok(())
2709}
2710
2711async fn subscribe_to_channels(_: proto::SubscribeToChannels, session: Session) -> Result<()> {
2712 subscribe_user_to_channels(session.user_id(), &session).await?;
2713 Ok(())
2714}
2715
2716async fn subscribe_user_to_channels(user_id: UserId, session: &Session) -> Result<(), Error> {
2717 let channels_for_user = session.db().await.get_channels_for_user(user_id).await?;
2718 let mut pool = session.connection_pool().await;
2719 for membership in &channels_for_user.channel_memberships {
2720 pool.subscribe_to_channel(user_id, membership.channel_id, membership.role)
2721 }
2722 session.peer.send(
2723 session.connection_id,
2724 build_update_user_channels(&channels_for_user),
2725 )?;
2726 session.peer.send(
2727 session.connection_id,
2728 build_channels_update(channels_for_user),
2729 )?;
2730 Ok(())
2731}
2732
2733/// Creates a new channel.
2734async fn create_channel(
2735 request: proto::CreateChannel,
2736 response: Response<proto::CreateChannel>,
2737 session: Session,
2738) -> Result<()> {
2739 let db = session.db().await;
2740
2741 let parent_id = request.parent_id.map(ChannelId::from_proto);
2742 let (channel, membership) = db
2743 .create_channel(&request.name, parent_id, session.user_id())
2744 .await?;
2745
2746 let root_id = channel.root_id();
2747 let channel = Channel::from_model(channel);
2748
2749 response.send(proto::CreateChannelResponse {
2750 channel: Some(channel.to_proto()),
2751 parent_id: request.parent_id,
2752 })?;
2753
2754 let mut connection_pool = session.connection_pool().await;
2755 if let Some(membership) = membership {
2756 connection_pool.subscribe_to_channel(
2757 membership.user_id,
2758 membership.channel_id,
2759 membership.role,
2760 );
2761 let update = proto::UpdateUserChannels {
2762 channel_memberships: vec![proto::ChannelMembership {
2763 channel_id: membership.channel_id.to_proto(),
2764 role: membership.role.into(),
2765 }],
2766 ..Default::default()
2767 };
2768 for connection_id in connection_pool.user_connection_ids(membership.user_id) {
2769 session.peer.send(connection_id, update.clone())?;
2770 }
2771 }
2772
2773 for (connection_id, role) in connection_pool.channel_connection_ids(root_id) {
2774 if !role.can_see_channel(channel.visibility) {
2775 continue;
2776 }
2777
2778 let update = proto::UpdateChannels {
2779 channels: vec![channel.to_proto()],
2780 ..Default::default()
2781 };
2782 session.peer.send(connection_id, update.clone())?;
2783 }
2784
2785 Ok(())
2786}
2787
2788/// Delete a channel
2789async fn delete_channel(
2790 request: proto::DeleteChannel,
2791 response: Response<proto::DeleteChannel>,
2792 session: Session,
2793) -> Result<()> {
2794 let db = session.db().await;
2795
2796 let channel_id = request.channel_id;
2797 let (root_channel, removed_channels) = db
2798 .delete_channel(ChannelId::from_proto(channel_id), session.user_id())
2799 .await?;
2800 response.send(proto::Ack {})?;
2801
2802 // Notify members of removed channels
2803 let mut update = proto::UpdateChannels::default();
2804 update
2805 .delete_channels
2806 .extend(removed_channels.into_iter().map(|id| id.to_proto()));
2807
2808 let connection_pool = session.connection_pool().await;
2809 for (connection_id, _) in connection_pool.channel_connection_ids(root_channel) {
2810 session.peer.send(connection_id, update.clone())?;
2811 }
2812
2813 Ok(())
2814}
2815
2816/// Invite someone to join a channel.
2817async fn invite_channel_member(
2818 request: proto::InviteChannelMember,
2819 response: Response<proto::InviteChannelMember>,
2820 session: Session,
2821) -> Result<()> {
2822 let db = session.db().await;
2823 let channel_id = ChannelId::from_proto(request.channel_id);
2824 let invitee_id = UserId::from_proto(request.user_id);
2825 let InviteMemberResult {
2826 channel,
2827 notifications,
2828 } = db
2829 .invite_channel_member(
2830 channel_id,
2831 invitee_id,
2832 session.user_id(),
2833 request.role().into(),
2834 )
2835 .await?;
2836
2837 let update = proto::UpdateChannels {
2838 channel_invitations: vec![channel.to_proto()],
2839 ..Default::default()
2840 };
2841
2842 let connection_pool = session.connection_pool().await;
2843 for connection_id in connection_pool.user_connection_ids(invitee_id) {
2844 session.peer.send(connection_id, update.clone())?;
2845 }
2846
2847 send_notifications(&connection_pool, &session.peer, notifications);
2848
2849 response.send(proto::Ack {})?;
2850 Ok(())
2851}
2852
2853/// remove someone from a channel
2854async fn remove_channel_member(
2855 request: proto::RemoveChannelMember,
2856 response: Response<proto::RemoveChannelMember>,
2857 session: Session,
2858) -> Result<()> {
2859 let db = session.db().await;
2860 let channel_id = ChannelId::from_proto(request.channel_id);
2861 let member_id = UserId::from_proto(request.user_id);
2862
2863 let RemoveChannelMemberResult {
2864 membership_update,
2865 notification_id,
2866 } = db
2867 .remove_channel_member(channel_id, member_id, session.user_id())
2868 .await?;
2869
2870 let mut connection_pool = session.connection_pool().await;
2871 notify_membership_updated(
2872 &mut connection_pool,
2873 membership_update,
2874 member_id,
2875 &session.peer,
2876 );
2877 for connection_id in connection_pool.user_connection_ids(member_id) {
2878 if let Some(notification_id) = notification_id {
2879 session
2880 .peer
2881 .send(
2882 connection_id,
2883 proto::DeleteNotification {
2884 notification_id: notification_id.to_proto(),
2885 },
2886 )
2887 .trace_err();
2888 }
2889 }
2890
2891 response.send(proto::Ack {})?;
2892 Ok(())
2893}
2894
2895/// Toggle the channel between public and private.
2896/// Care is taken to maintain the invariant that public channels only descend from public channels,
2897/// (though members-only channels can appear at any point in the hierarchy).
2898async fn set_channel_visibility(
2899 request: proto::SetChannelVisibility,
2900 response: Response<proto::SetChannelVisibility>,
2901 session: Session,
2902) -> Result<()> {
2903 let db = session.db().await;
2904 let channel_id = ChannelId::from_proto(request.channel_id);
2905 let visibility = request.visibility().into();
2906
2907 let channel_model = db
2908 .set_channel_visibility(channel_id, visibility, session.user_id())
2909 .await?;
2910 let root_id = channel_model.root_id();
2911 let channel = Channel::from_model(channel_model);
2912
2913 let mut connection_pool = session.connection_pool().await;
2914 for (user_id, role) in connection_pool
2915 .channel_user_ids(root_id)
2916 .collect::<Vec<_>>()
2917 .into_iter()
2918 {
2919 let update = if role.can_see_channel(channel.visibility) {
2920 connection_pool.subscribe_to_channel(user_id, channel_id, role);
2921 proto::UpdateChannels {
2922 channels: vec![channel.to_proto()],
2923 ..Default::default()
2924 }
2925 } else {
2926 connection_pool.unsubscribe_from_channel(&user_id, &channel_id);
2927 proto::UpdateChannels {
2928 delete_channels: vec![channel.id.to_proto()],
2929 ..Default::default()
2930 }
2931 };
2932
2933 for connection_id in connection_pool.user_connection_ids(user_id) {
2934 session.peer.send(connection_id, update.clone())?;
2935 }
2936 }
2937
2938 response.send(proto::Ack {})?;
2939 Ok(())
2940}
2941
2942/// Alter the role for a user in the channel.
2943async fn set_channel_member_role(
2944 request: proto::SetChannelMemberRole,
2945 response: Response<proto::SetChannelMemberRole>,
2946 session: Session,
2947) -> Result<()> {
2948 let db = session.db().await;
2949 let channel_id = ChannelId::from_proto(request.channel_id);
2950 let member_id = UserId::from_proto(request.user_id);
2951 let result = db
2952 .set_channel_member_role(
2953 channel_id,
2954 session.user_id(),
2955 member_id,
2956 request.role().into(),
2957 )
2958 .await?;
2959
2960 match result {
2961 db::SetMemberRoleResult::MembershipUpdated(membership_update) => {
2962 let mut connection_pool = session.connection_pool().await;
2963 notify_membership_updated(
2964 &mut connection_pool,
2965 membership_update,
2966 member_id,
2967 &session.peer,
2968 )
2969 }
2970 db::SetMemberRoleResult::InviteUpdated(channel) => {
2971 let update = proto::UpdateChannels {
2972 channel_invitations: vec![channel.to_proto()],
2973 ..Default::default()
2974 };
2975
2976 for connection_id in session
2977 .connection_pool()
2978 .await
2979 .user_connection_ids(member_id)
2980 {
2981 session.peer.send(connection_id, update.clone())?;
2982 }
2983 }
2984 }
2985
2986 response.send(proto::Ack {})?;
2987 Ok(())
2988}
2989
2990/// Change the name of a channel
2991async fn rename_channel(
2992 request: proto::RenameChannel,
2993 response: Response<proto::RenameChannel>,
2994 session: Session,
2995) -> Result<()> {
2996 let db = session.db().await;
2997 let channel_id = ChannelId::from_proto(request.channel_id);
2998 let channel_model = db
2999 .rename_channel(channel_id, session.user_id(), &request.name)
3000 .await?;
3001 let root_id = channel_model.root_id();
3002 let channel = Channel::from_model(channel_model);
3003
3004 response.send(proto::RenameChannelResponse {
3005 channel: Some(channel.to_proto()),
3006 })?;
3007
3008 let connection_pool = session.connection_pool().await;
3009 let update = proto::UpdateChannels {
3010 channels: vec![channel.to_proto()],
3011 ..Default::default()
3012 };
3013 for (connection_id, role) in connection_pool.channel_connection_ids(root_id) {
3014 if role.can_see_channel(channel.visibility) {
3015 session.peer.send(connection_id, update.clone())?;
3016 }
3017 }
3018
3019 Ok(())
3020}
3021
3022/// Move a channel to a new parent.
3023async fn move_channel(
3024 request: proto::MoveChannel,
3025 response: Response<proto::MoveChannel>,
3026 session: Session,
3027) -> Result<()> {
3028 let channel_id = ChannelId::from_proto(request.channel_id);
3029 let to = ChannelId::from_proto(request.to);
3030
3031 let (root_id, channels) = session
3032 .db()
3033 .await
3034 .move_channel(channel_id, to, session.user_id())
3035 .await?;
3036
3037 let connection_pool = session.connection_pool().await;
3038 for (connection_id, role) in connection_pool.channel_connection_ids(root_id) {
3039 let channels = channels
3040 .iter()
3041 .filter_map(|channel| {
3042 if role.can_see_channel(channel.visibility) {
3043 Some(channel.to_proto())
3044 } else {
3045 None
3046 }
3047 })
3048 .collect::<Vec<_>>();
3049 if channels.is_empty() {
3050 continue;
3051 }
3052
3053 let update = proto::UpdateChannels {
3054 channels,
3055 ..Default::default()
3056 };
3057
3058 session.peer.send(connection_id, update.clone())?;
3059 }
3060
3061 response.send(Ack {})?;
3062 Ok(())
3063}
3064
3065/// Get the list of channel members
3066async fn get_channel_members(
3067 request: proto::GetChannelMembers,
3068 response: Response<proto::GetChannelMembers>,
3069 session: Session,
3070) -> Result<()> {
3071 let db = session.db().await;
3072 let channel_id = ChannelId::from_proto(request.channel_id);
3073 let limit = if request.limit == 0 {
3074 u16::MAX as u64
3075 } else {
3076 request.limit
3077 };
3078 let (members, users) = db
3079 .get_channel_participant_details(channel_id, &request.query, limit, session.user_id())
3080 .await?;
3081 response.send(proto::GetChannelMembersResponse { members, users })?;
3082 Ok(())
3083}
3084
3085/// Accept or decline a channel invitation.
3086async fn respond_to_channel_invite(
3087 request: proto::RespondToChannelInvite,
3088 response: Response<proto::RespondToChannelInvite>,
3089 session: Session,
3090) -> Result<()> {
3091 let db = session.db().await;
3092 let channel_id = ChannelId::from_proto(request.channel_id);
3093 let RespondToChannelInvite {
3094 membership_update,
3095 notifications,
3096 } = db
3097 .respond_to_channel_invite(channel_id, session.user_id(), request.accept)
3098 .await?;
3099
3100 let mut connection_pool = session.connection_pool().await;
3101 if let Some(membership_update) = membership_update {
3102 notify_membership_updated(
3103 &mut connection_pool,
3104 membership_update,
3105 session.user_id(),
3106 &session.peer,
3107 );
3108 } else {
3109 let update = proto::UpdateChannels {
3110 remove_channel_invitations: vec![channel_id.to_proto()],
3111 ..Default::default()
3112 };
3113
3114 for connection_id in connection_pool.user_connection_ids(session.user_id()) {
3115 session.peer.send(connection_id, update.clone())?;
3116 }
3117 };
3118
3119 send_notifications(&connection_pool, &session.peer, notifications);
3120
3121 response.send(proto::Ack {})?;
3122
3123 Ok(())
3124}
3125
3126/// Join the channels' room
3127async fn join_channel(
3128 request: proto::JoinChannel,
3129 response: Response<proto::JoinChannel>,
3130 session: Session,
3131) -> Result<()> {
3132 let channel_id = ChannelId::from_proto(request.channel_id);
3133 join_channel_internal(channel_id, Box::new(response), session).await
3134}
3135
3136trait JoinChannelInternalResponse {
3137 fn send(self, result: proto::JoinRoomResponse) -> Result<()>;
3138}
3139impl JoinChannelInternalResponse for Response<proto::JoinChannel> {
3140 fn send(self, result: proto::JoinRoomResponse) -> Result<()> {
3141 Response::<proto::JoinChannel>::send(self, result)
3142 }
3143}
3144impl JoinChannelInternalResponse for Response<proto::JoinRoom> {
3145 fn send(self, result: proto::JoinRoomResponse) -> Result<()> {
3146 Response::<proto::JoinRoom>::send(self, result)
3147 }
3148}
3149
3150async fn join_channel_internal(
3151 channel_id: ChannelId,
3152 response: Box<impl JoinChannelInternalResponse>,
3153 session: Session,
3154) -> Result<()> {
3155 let joined_room = {
3156 let mut db = session.db().await;
3157 // If zed quits without leaving the room, and the user re-opens zed before the
3158 // RECONNECT_TIMEOUT, we need to make sure that we kick the user out of the previous
3159 // room they were in.
3160 if let Some(connection) = db.stale_room_connection(session.user_id()).await? {
3161 tracing::info!(
3162 stale_connection_id = %connection,
3163 "cleaning up stale connection",
3164 );
3165 drop(db);
3166 leave_room_for_session(&session, connection).await?;
3167 db = session.db().await;
3168 }
3169
3170 let (joined_room, membership_updated, role) = db
3171 .join_channel(channel_id, session.user_id(), session.connection_id)
3172 .await?;
3173
3174 let live_kit_connection_info =
3175 session
3176 .app_state
3177 .livekit_client
3178 .as_ref()
3179 .and_then(|live_kit| {
3180 let (can_publish, token) = if role == ChannelRole::Guest {
3181 (
3182 false,
3183 live_kit
3184 .guest_token(
3185 &joined_room.room.livekit_room,
3186 &session.user_id().to_string(),
3187 )
3188 .trace_err()?,
3189 )
3190 } else {
3191 (
3192 true,
3193 live_kit
3194 .room_token(
3195 &joined_room.room.livekit_room,
3196 &session.user_id().to_string(),
3197 )
3198 .trace_err()?,
3199 )
3200 };
3201
3202 Some(LiveKitConnectionInfo {
3203 server_url: live_kit.url().into(),
3204 token,
3205 can_publish,
3206 })
3207 });
3208
3209 response.send(proto::JoinRoomResponse {
3210 room: Some(joined_room.room.clone()),
3211 channel_id: joined_room
3212 .channel
3213 .as_ref()
3214 .map(|channel| channel.id.to_proto()),
3215 live_kit_connection_info,
3216 })?;
3217
3218 let mut connection_pool = session.connection_pool().await;
3219 if let Some(membership_updated) = membership_updated {
3220 notify_membership_updated(
3221 &mut connection_pool,
3222 membership_updated,
3223 session.user_id(),
3224 &session.peer,
3225 );
3226 }
3227
3228 room_updated(&joined_room.room, &session.peer);
3229
3230 joined_room
3231 };
3232
3233 channel_updated(
3234 &joined_room
3235 .channel
3236 .ok_or_else(|| anyhow!("channel not returned"))?,
3237 &joined_room.room,
3238 &session.peer,
3239 &*session.connection_pool().await,
3240 );
3241
3242 update_user_contacts(session.user_id(), &session).await?;
3243 Ok(())
3244}
3245
3246/// Start editing the channel notes
3247async fn join_channel_buffer(
3248 request: proto::JoinChannelBuffer,
3249 response: Response<proto::JoinChannelBuffer>,
3250 session: Session,
3251) -> Result<()> {
3252 let db = session.db().await;
3253 let channel_id = ChannelId::from_proto(request.channel_id);
3254
3255 let open_response = db
3256 .join_channel_buffer(channel_id, session.user_id(), session.connection_id)
3257 .await?;
3258
3259 let collaborators = open_response.collaborators.clone();
3260 response.send(open_response)?;
3261
3262 let update = UpdateChannelBufferCollaborators {
3263 channel_id: channel_id.to_proto(),
3264 collaborators: collaborators.clone(),
3265 };
3266 channel_buffer_updated(
3267 session.connection_id,
3268 collaborators
3269 .iter()
3270 .filter_map(|collaborator| Some(collaborator.peer_id?.into())),
3271 &update,
3272 &session.peer,
3273 );
3274
3275 Ok(())
3276}
3277
3278/// Edit the channel notes
3279async fn update_channel_buffer(
3280 request: proto::UpdateChannelBuffer,
3281 session: Session,
3282) -> Result<()> {
3283 let db = session.db().await;
3284 let channel_id = ChannelId::from_proto(request.channel_id);
3285
3286 let (collaborators, epoch, version) = db
3287 .update_channel_buffer(channel_id, session.user_id(), &request.operations)
3288 .await?;
3289
3290 channel_buffer_updated(
3291 session.connection_id,
3292 collaborators.clone(),
3293 &proto::UpdateChannelBuffer {
3294 channel_id: channel_id.to_proto(),
3295 operations: request.operations,
3296 },
3297 &session.peer,
3298 );
3299
3300 let pool = &*session.connection_pool().await;
3301
3302 let non_collaborators =
3303 pool.channel_connection_ids(channel_id)
3304 .filter_map(|(connection_id, _)| {
3305 if collaborators.contains(&connection_id) {
3306 None
3307 } else {
3308 Some(connection_id)
3309 }
3310 });
3311
3312 broadcast(None, non_collaborators, |peer_id| {
3313 session.peer.send(
3314 peer_id,
3315 proto::UpdateChannels {
3316 latest_channel_buffer_versions: vec![proto::ChannelBufferVersion {
3317 channel_id: channel_id.to_proto(),
3318 epoch: epoch as u64,
3319 version: version.clone(),
3320 }],
3321 ..Default::default()
3322 },
3323 )
3324 });
3325
3326 Ok(())
3327}
3328
3329/// Rejoin the channel notes after a connection blip
3330async fn rejoin_channel_buffers(
3331 request: proto::RejoinChannelBuffers,
3332 response: Response<proto::RejoinChannelBuffers>,
3333 session: Session,
3334) -> Result<()> {
3335 let db = session.db().await;
3336 let buffers = db
3337 .rejoin_channel_buffers(&request.buffers, session.user_id(), session.connection_id)
3338 .await?;
3339
3340 for rejoined_buffer in &buffers {
3341 let collaborators_to_notify = rejoined_buffer
3342 .buffer
3343 .collaborators
3344 .iter()
3345 .filter_map(|c| Some(c.peer_id?.into()));
3346 channel_buffer_updated(
3347 session.connection_id,
3348 collaborators_to_notify,
3349 &proto::UpdateChannelBufferCollaborators {
3350 channel_id: rejoined_buffer.buffer.channel_id,
3351 collaborators: rejoined_buffer.buffer.collaborators.clone(),
3352 },
3353 &session.peer,
3354 );
3355 }
3356
3357 response.send(proto::RejoinChannelBuffersResponse {
3358 buffers: buffers.into_iter().map(|b| b.buffer).collect(),
3359 })?;
3360
3361 Ok(())
3362}
3363
3364/// Stop editing the channel notes
3365async fn leave_channel_buffer(
3366 request: proto::LeaveChannelBuffer,
3367 response: Response<proto::LeaveChannelBuffer>,
3368 session: Session,
3369) -> Result<()> {
3370 let db = session.db().await;
3371 let channel_id = ChannelId::from_proto(request.channel_id);
3372
3373 let left_buffer = db
3374 .leave_channel_buffer(channel_id, session.connection_id)
3375 .await?;
3376
3377 response.send(Ack {})?;
3378
3379 channel_buffer_updated(
3380 session.connection_id,
3381 left_buffer.connections,
3382 &proto::UpdateChannelBufferCollaborators {
3383 channel_id: channel_id.to_proto(),
3384 collaborators: left_buffer.collaborators,
3385 },
3386 &session.peer,
3387 );
3388
3389 Ok(())
3390}
3391
3392fn channel_buffer_updated<T: EnvelopedMessage>(
3393 sender_id: ConnectionId,
3394 collaborators: impl IntoIterator<Item = ConnectionId>,
3395 message: &T,
3396 peer: &Peer,
3397) {
3398 broadcast(Some(sender_id), collaborators, |peer_id| {
3399 peer.send(peer_id, message.clone())
3400 });
3401}
3402
3403fn send_notifications(
3404 connection_pool: &ConnectionPool,
3405 peer: &Peer,
3406 notifications: db::NotificationBatch,
3407) {
3408 for (user_id, notification) in notifications {
3409 for connection_id in connection_pool.user_connection_ids(user_id) {
3410 if let Err(error) = peer.send(
3411 connection_id,
3412 proto::AddNotification {
3413 notification: Some(notification.clone()),
3414 },
3415 ) {
3416 tracing::error!(
3417 "failed to send notification to {:?} {}",
3418 connection_id,
3419 error
3420 );
3421 }
3422 }
3423 }
3424}
3425
3426/// Send a message to the channel
3427async fn send_channel_message(
3428 request: proto::SendChannelMessage,
3429 response: Response<proto::SendChannelMessage>,
3430 session: Session,
3431) -> Result<()> {
3432 // Validate the message body.
3433 let body = request.body.trim().to_string();
3434 if body.len() > MAX_MESSAGE_LEN {
3435 return Err(anyhow!("message is too long"))?;
3436 }
3437 if body.is_empty() {
3438 return Err(anyhow!("message can't be blank"))?;
3439 }
3440
3441 // TODO: adjust mentions if body is trimmed
3442
3443 let timestamp = OffsetDateTime::now_utc();
3444 let nonce = request
3445 .nonce
3446 .ok_or_else(|| anyhow!("nonce can't be blank"))?;
3447
3448 let channel_id = ChannelId::from_proto(request.channel_id);
3449 let CreatedChannelMessage {
3450 message_id,
3451 participant_connection_ids,
3452 notifications,
3453 } = session
3454 .db()
3455 .await
3456 .create_channel_message(
3457 channel_id,
3458 session.user_id(),
3459 &body,
3460 &request.mentions,
3461 timestamp,
3462 nonce.clone().into(),
3463 request.reply_to_message_id.map(MessageId::from_proto),
3464 )
3465 .await?;
3466
3467 let message = proto::ChannelMessage {
3468 sender_id: session.user_id().to_proto(),
3469 id: message_id.to_proto(),
3470 body,
3471 mentions: request.mentions,
3472 timestamp: timestamp.unix_timestamp() as u64,
3473 nonce: Some(nonce),
3474 reply_to_message_id: request.reply_to_message_id,
3475 edited_at: None,
3476 };
3477 broadcast(
3478 Some(session.connection_id),
3479 participant_connection_ids.clone(),
3480 |connection| {
3481 session.peer.send(
3482 connection,
3483 proto::ChannelMessageSent {
3484 channel_id: channel_id.to_proto(),
3485 message: Some(message.clone()),
3486 },
3487 )
3488 },
3489 );
3490 response.send(proto::SendChannelMessageResponse {
3491 message: Some(message),
3492 })?;
3493
3494 let pool = &*session.connection_pool().await;
3495 let non_participants =
3496 pool.channel_connection_ids(channel_id)
3497 .filter_map(|(connection_id, _)| {
3498 if participant_connection_ids.contains(&connection_id) {
3499 None
3500 } else {
3501 Some(connection_id)
3502 }
3503 });
3504 broadcast(None, non_participants, |peer_id| {
3505 session.peer.send(
3506 peer_id,
3507 proto::UpdateChannels {
3508 latest_channel_message_ids: vec![proto::ChannelMessageId {
3509 channel_id: channel_id.to_proto(),
3510 message_id: message_id.to_proto(),
3511 }],
3512 ..Default::default()
3513 },
3514 )
3515 });
3516 send_notifications(pool, &session.peer, notifications);
3517
3518 Ok(())
3519}
3520
3521/// Delete a channel message
3522async fn remove_channel_message(
3523 request: proto::RemoveChannelMessage,
3524 response: Response<proto::RemoveChannelMessage>,
3525 session: Session,
3526) -> Result<()> {
3527 let channel_id = ChannelId::from_proto(request.channel_id);
3528 let message_id = MessageId::from_proto(request.message_id);
3529 let (connection_ids, existing_notification_ids) = session
3530 .db()
3531 .await
3532 .remove_channel_message(channel_id, message_id, session.user_id())
3533 .await?;
3534
3535 broadcast(
3536 Some(session.connection_id),
3537 connection_ids,
3538 move |connection| {
3539 session.peer.send(connection, request.clone())?;
3540
3541 for notification_id in &existing_notification_ids {
3542 session.peer.send(
3543 connection,
3544 proto::DeleteNotification {
3545 notification_id: (*notification_id).to_proto(),
3546 },
3547 )?;
3548 }
3549
3550 Ok(())
3551 },
3552 );
3553 response.send(proto::Ack {})?;
3554 Ok(())
3555}
3556
3557async fn update_channel_message(
3558 request: proto::UpdateChannelMessage,
3559 response: Response<proto::UpdateChannelMessage>,
3560 session: Session,
3561) -> Result<()> {
3562 let channel_id = ChannelId::from_proto(request.channel_id);
3563 let message_id = MessageId::from_proto(request.message_id);
3564 let updated_at = OffsetDateTime::now_utc();
3565 let UpdatedChannelMessage {
3566 message_id,
3567 participant_connection_ids,
3568 notifications,
3569 reply_to_message_id,
3570 timestamp,
3571 deleted_mention_notification_ids,
3572 updated_mention_notifications,
3573 } = session
3574 .db()
3575 .await
3576 .update_channel_message(
3577 channel_id,
3578 message_id,
3579 session.user_id(),
3580 request.body.as_str(),
3581 &request.mentions,
3582 updated_at,
3583 )
3584 .await?;
3585
3586 let nonce = request
3587 .nonce
3588 .clone()
3589 .ok_or_else(|| anyhow!("nonce can't be blank"))?;
3590
3591 let message = proto::ChannelMessage {
3592 sender_id: session.user_id().to_proto(),
3593 id: message_id.to_proto(),
3594 body: request.body.clone(),
3595 mentions: request.mentions.clone(),
3596 timestamp: timestamp.assume_utc().unix_timestamp() as u64,
3597 nonce: Some(nonce),
3598 reply_to_message_id: reply_to_message_id.map(|id| id.to_proto()),
3599 edited_at: Some(updated_at.unix_timestamp() as u64),
3600 };
3601
3602 response.send(proto::Ack {})?;
3603
3604 let pool = &*session.connection_pool().await;
3605 broadcast(
3606 Some(session.connection_id),
3607 participant_connection_ids,
3608 |connection| {
3609 session.peer.send(
3610 connection,
3611 proto::ChannelMessageUpdate {
3612 channel_id: channel_id.to_proto(),
3613 message: Some(message.clone()),
3614 },
3615 )?;
3616
3617 for notification_id in &deleted_mention_notification_ids {
3618 session.peer.send(
3619 connection,
3620 proto::DeleteNotification {
3621 notification_id: (*notification_id).to_proto(),
3622 },
3623 )?;
3624 }
3625
3626 for notification in &updated_mention_notifications {
3627 session.peer.send(
3628 connection,
3629 proto::UpdateNotification {
3630 notification: Some(notification.clone()),
3631 },
3632 )?;
3633 }
3634
3635 Ok(())
3636 },
3637 );
3638
3639 send_notifications(pool, &session.peer, notifications);
3640
3641 Ok(())
3642}
3643
3644/// Mark a channel message as read
3645async fn acknowledge_channel_message(
3646 request: proto::AckChannelMessage,
3647 session: Session,
3648) -> Result<()> {
3649 let channel_id = ChannelId::from_proto(request.channel_id);
3650 let message_id = MessageId::from_proto(request.message_id);
3651 let notifications = session
3652 .db()
3653 .await
3654 .observe_channel_message(channel_id, session.user_id(), message_id)
3655 .await?;
3656 send_notifications(
3657 &*session.connection_pool().await,
3658 &session.peer,
3659 notifications,
3660 );
3661 Ok(())
3662}
3663
3664/// Mark a buffer version as synced
3665async fn acknowledge_buffer_version(
3666 request: proto::AckBufferOperation,
3667 session: Session,
3668) -> Result<()> {
3669 let buffer_id = BufferId::from_proto(request.buffer_id);
3670 session
3671 .db()
3672 .await
3673 .observe_buffer_version(
3674 buffer_id,
3675 session.user_id(),
3676 request.epoch as i32,
3677 &request.version,
3678 )
3679 .await?;
3680 Ok(())
3681}
3682
3683/// Get a Supermaven API key for the user
3684async fn get_supermaven_api_key(
3685 _request: proto::GetSupermavenApiKey,
3686 response: Response<proto::GetSupermavenApiKey>,
3687 session: Session,
3688) -> Result<()> {
3689 let user_id: String = session.user_id().to_string();
3690 if !session.is_staff() {
3691 return Err(anyhow!("supermaven not enabled for this account"))?;
3692 }
3693
3694 let email = session
3695 .email()
3696 .ok_or_else(|| anyhow!("user must have an email"))?;
3697
3698 let supermaven_admin_api = session
3699 .supermaven_client
3700 .as_ref()
3701 .ok_or_else(|| anyhow!("supermaven not configured"))?;
3702
3703 let result = supermaven_admin_api
3704 .try_get_or_create_user(CreateExternalUserRequest { id: user_id, email })
3705 .await?;
3706
3707 response.send(proto::GetSupermavenApiKeyResponse {
3708 api_key: result.api_key,
3709 })?;
3710
3711 Ok(())
3712}
3713
3714/// Start receiving chat updates for a channel
3715async fn join_channel_chat(
3716 request: proto::JoinChannelChat,
3717 response: Response<proto::JoinChannelChat>,
3718 session: Session,
3719) -> Result<()> {
3720 let channel_id = ChannelId::from_proto(request.channel_id);
3721
3722 let db = session.db().await;
3723 db.join_channel_chat(channel_id, session.connection_id, session.user_id())
3724 .await?;
3725 let messages = db
3726 .get_channel_messages(channel_id, session.user_id(), MESSAGE_COUNT_PER_PAGE, None)
3727 .await?;
3728 response.send(proto::JoinChannelChatResponse {
3729 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
3730 messages,
3731 })?;
3732 Ok(())
3733}
3734
3735/// Stop receiving chat updates for a channel
3736async fn leave_channel_chat(request: proto::LeaveChannelChat, session: Session) -> Result<()> {
3737 let channel_id = ChannelId::from_proto(request.channel_id);
3738 session
3739 .db()
3740 .await
3741 .leave_channel_chat(channel_id, session.connection_id, session.user_id())
3742 .await?;
3743 Ok(())
3744}
3745
3746/// Retrieve the chat history for a channel
3747async fn get_channel_messages(
3748 request: proto::GetChannelMessages,
3749 response: Response<proto::GetChannelMessages>,
3750 session: Session,
3751) -> Result<()> {
3752 let channel_id = ChannelId::from_proto(request.channel_id);
3753 let messages = session
3754 .db()
3755 .await
3756 .get_channel_messages(
3757 channel_id,
3758 session.user_id(),
3759 MESSAGE_COUNT_PER_PAGE,
3760 Some(MessageId::from_proto(request.before_message_id)),
3761 )
3762 .await?;
3763 response.send(proto::GetChannelMessagesResponse {
3764 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
3765 messages,
3766 })?;
3767 Ok(())
3768}
3769
3770/// Retrieve specific chat messages
3771async fn get_channel_messages_by_id(
3772 request: proto::GetChannelMessagesById,
3773 response: Response<proto::GetChannelMessagesById>,
3774 session: Session,
3775) -> Result<()> {
3776 let message_ids = request
3777 .message_ids
3778 .iter()
3779 .map(|id| MessageId::from_proto(*id))
3780 .collect::<Vec<_>>();
3781 let messages = session
3782 .db()
3783 .await
3784 .get_channel_messages_by_id(session.user_id(), &message_ids)
3785 .await?;
3786 response.send(proto::GetChannelMessagesResponse {
3787 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
3788 messages,
3789 })?;
3790 Ok(())
3791}
3792
3793/// Retrieve the current users notifications
3794async fn get_notifications(
3795 request: proto::GetNotifications,
3796 response: Response<proto::GetNotifications>,
3797 session: Session,
3798) -> Result<()> {
3799 let notifications = session
3800 .db()
3801 .await
3802 .get_notifications(
3803 session.user_id(),
3804 NOTIFICATION_COUNT_PER_PAGE,
3805 request.before_id.map(db::NotificationId::from_proto),
3806 )
3807 .await?;
3808 response.send(proto::GetNotificationsResponse {
3809 done: notifications.len() < NOTIFICATION_COUNT_PER_PAGE,
3810 notifications,
3811 })?;
3812 Ok(())
3813}
3814
3815/// Mark notifications as read
3816async fn mark_notification_as_read(
3817 request: proto::MarkNotificationRead,
3818 response: Response<proto::MarkNotificationRead>,
3819 session: Session,
3820) -> Result<()> {
3821 let database = &session.db().await;
3822 let notifications = database
3823 .mark_notification_as_read_by_id(
3824 session.user_id(),
3825 NotificationId::from_proto(request.notification_id),
3826 )
3827 .await?;
3828 send_notifications(
3829 &*session.connection_pool().await,
3830 &session.peer,
3831 notifications,
3832 );
3833 response.send(proto::Ack {})?;
3834 Ok(())
3835}
3836
3837/// Get the current users information
3838async fn get_private_user_info(
3839 _request: proto::GetPrivateUserInfo,
3840 response: Response<proto::GetPrivateUserInfo>,
3841 session: Session,
3842) -> Result<()> {
3843 let db = session.db().await;
3844
3845 let metrics_id = db.get_user_metrics_id(session.user_id()).await?;
3846 let user = db
3847 .get_user_by_id(session.user_id())
3848 .await?
3849 .ok_or_else(|| anyhow!("user not found"))?;
3850 let flags = db.get_user_flags(session.user_id()).await?;
3851
3852 response.send(proto::GetPrivateUserInfoResponse {
3853 metrics_id,
3854 staff: user.admin,
3855 flags,
3856 accepted_tos_at: user.accepted_tos_at.map(|t| t.and_utc().timestamp() as u64),
3857 })?;
3858 Ok(())
3859}
3860
3861/// Accept the terms of service (tos) on behalf of the current user
3862async fn accept_terms_of_service(
3863 _request: proto::AcceptTermsOfService,
3864 response: Response<proto::AcceptTermsOfService>,
3865 session: Session,
3866) -> Result<()> {
3867 let db = session.db().await;
3868
3869 let accepted_tos_at = Utc::now();
3870 db.set_user_accepted_tos_at(session.user_id(), Some(accepted_tos_at.naive_utc()))
3871 .await?;
3872
3873 response.send(proto::AcceptTermsOfServiceResponse {
3874 accepted_tos_at: accepted_tos_at.timestamp() as u64,
3875 })?;
3876 Ok(())
3877}
3878
3879/// The minimum account age an account must have in order to use the LLM service.
3880pub const MIN_ACCOUNT_AGE_FOR_LLM_USE: chrono::Duration = chrono::Duration::days(30);
3881
3882async fn get_llm_api_token(
3883 _request: proto::GetLlmToken,
3884 response: Response<proto::GetLlmToken>,
3885 session: Session,
3886) -> Result<()> {
3887 let db = session.db().await;
3888
3889 let flags = db.get_user_flags(session.user_id()).await?;
3890 let has_language_models_feature_flag = flags.iter().any(|flag| flag == "language-models");
3891
3892 if !session.is_staff() && !has_language_models_feature_flag {
3893 Err(anyhow!("permission denied"))?
3894 }
3895
3896 let user_id = session.user_id();
3897 let user = db
3898 .get_user_by_id(user_id)
3899 .await?
3900 .ok_or_else(|| anyhow!("user {} not found", user_id))?;
3901
3902 if user.accepted_tos_at.is_none() {
3903 Err(anyhow!("terms of service not accepted"))?
3904 }
3905
3906 let has_legacy_llm_subscription = session.has_llm_subscription(&db).await?;
3907 let billing_subscription = db.get_active_billing_subscription(user.id).await?;
3908 let billing_preferences = db.get_billing_preferences(user.id).await?;
3909
3910 let token = LlmTokenClaims::create(
3911 &user,
3912 session.is_staff(),
3913 billing_preferences,
3914 &flags,
3915 has_legacy_llm_subscription,
3916 billing_subscription,
3917 session.system_id.clone(),
3918 &session.app_state.config,
3919 )?;
3920 response.send(proto::GetLlmTokenResponse { token })?;
3921 Ok(())
3922}
3923
3924fn to_axum_message(message: TungsteniteMessage) -> anyhow::Result<AxumMessage> {
3925 let message = match message {
3926 TungsteniteMessage::Text(payload) => AxumMessage::Text(payload.as_str().to_string()),
3927 TungsteniteMessage::Binary(payload) => AxumMessage::Binary(payload.into()),
3928 TungsteniteMessage::Ping(payload) => AxumMessage::Ping(payload.into()),
3929 TungsteniteMessage::Pong(payload) => AxumMessage::Pong(payload.into()),
3930 TungsteniteMessage::Close(frame) => AxumMessage::Close(frame.map(|frame| AxumCloseFrame {
3931 code: frame.code.into(),
3932 reason: frame.reason.as_str().to_owned().into(),
3933 })),
3934 // We should never receive a frame while reading the message, according
3935 // to the `tungstenite` maintainers:
3936 //
3937 // > It cannot occur when you read messages from the WebSocket, but it
3938 // > can be used when you want to send the raw frames (e.g. you want to
3939 // > send the frames to the WebSocket without composing the full message first).
3940 // >
3941 // > — https://github.com/snapview/tungstenite-rs/issues/268
3942 TungsteniteMessage::Frame(_) => {
3943 bail!("received an unexpected frame while reading the message")
3944 }
3945 };
3946
3947 Ok(message)
3948}
3949
3950fn to_tungstenite_message(message: AxumMessage) -> TungsteniteMessage {
3951 match message {
3952 AxumMessage::Text(payload) => TungsteniteMessage::Text(payload.into()),
3953 AxumMessage::Binary(payload) => TungsteniteMessage::Binary(payload.into()),
3954 AxumMessage::Ping(payload) => TungsteniteMessage::Ping(payload.into()),
3955 AxumMessage::Pong(payload) => TungsteniteMessage::Pong(payload.into()),
3956 AxumMessage::Close(frame) => {
3957 TungsteniteMessage::Close(frame.map(|frame| TungsteniteCloseFrame {
3958 code: frame.code.into(),
3959 reason: frame.reason.as_ref().into(),
3960 }))
3961 }
3962 }
3963}
3964
3965fn notify_membership_updated(
3966 connection_pool: &mut ConnectionPool,
3967 result: MembershipUpdated,
3968 user_id: UserId,
3969 peer: &Peer,
3970) {
3971 for membership in &result.new_channels.channel_memberships {
3972 connection_pool.subscribe_to_channel(user_id, membership.channel_id, membership.role)
3973 }
3974 for channel_id in &result.removed_channels {
3975 connection_pool.unsubscribe_from_channel(&user_id, channel_id)
3976 }
3977
3978 let user_channels_update = proto::UpdateUserChannels {
3979 channel_memberships: result
3980 .new_channels
3981 .channel_memberships
3982 .iter()
3983 .map(|cm| proto::ChannelMembership {
3984 channel_id: cm.channel_id.to_proto(),
3985 role: cm.role.into(),
3986 })
3987 .collect(),
3988 ..Default::default()
3989 };
3990
3991 let mut update = build_channels_update(result.new_channels);
3992 update.delete_channels = result
3993 .removed_channels
3994 .into_iter()
3995 .map(|id| id.to_proto())
3996 .collect();
3997 update.remove_channel_invitations = vec![result.channel_id.to_proto()];
3998
3999 for connection_id in connection_pool.user_connection_ids(user_id) {
4000 peer.send(connection_id, user_channels_update.clone())
4001 .trace_err();
4002 peer.send(connection_id, update.clone()).trace_err();
4003 }
4004}
4005
4006fn build_update_user_channels(channels: &ChannelsForUser) -> proto::UpdateUserChannels {
4007 proto::UpdateUserChannels {
4008 channel_memberships: channels
4009 .channel_memberships
4010 .iter()
4011 .map(|m| proto::ChannelMembership {
4012 channel_id: m.channel_id.to_proto(),
4013 role: m.role.into(),
4014 })
4015 .collect(),
4016 observed_channel_buffer_version: channels.observed_buffer_versions.clone(),
4017 observed_channel_message_id: channels.observed_channel_messages.clone(),
4018 }
4019}
4020
4021fn build_channels_update(channels: ChannelsForUser) -> proto::UpdateChannels {
4022 let mut update = proto::UpdateChannels::default();
4023
4024 for channel in channels.channels {
4025 update.channels.push(channel.to_proto());
4026 }
4027
4028 update.latest_channel_buffer_versions = channels.latest_buffer_versions;
4029 update.latest_channel_message_ids = channels.latest_channel_messages;
4030
4031 for (channel_id, participants) in channels.channel_participants {
4032 update
4033 .channel_participants
4034 .push(proto::ChannelParticipants {
4035 channel_id: channel_id.to_proto(),
4036 participant_user_ids: participants.into_iter().map(|id| id.to_proto()).collect(),
4037 });
4038 }
4039
4040 for channel in channels.invited_channels {
4041 update.channel_invitations.push(channel.to_proto());
4042 }
4043
4044 update
4045}
4046
4047fn build_initial_contacts_update(
4048 contacts: Vec<db::Contact>,
4049 pool: &ConnectionPool,
4050) -> proto::UpdateContacts {
4051 let mut update = proto::UpdateContacts::default();
4052
4053 for contact in contacts {
4054 match contact {
4055 db::Contact::Accepted { user_id, busy } => {
4056 update.contacts.push(contact_for_user(user_id, busy, pool));
4057 }
4058 db::Contact::Outgoing { user_id } => update.outgoing_requests.push(user_id.to_proto()),
4059 db::Contact::Incoming { user_id } => {
4060 update
4061 .incoming_requests
4062 .push(proto::IncomingContactRequest {
4063 requester_id: user_id.to_proto(),
4064 })
4065 }
4066 }
4067 }
4068
4069 update
4070}
4071
4072fn contact_for_user(user_id: UserId, busy: bool, pool: &ConnectionPool) -> proto::Contact {
4073 proto::Contact {
4074 user_id: user_id.to_proto(),
4075 online: pool.is_user_online(user_id),
4076 busy,
4077 }
4078}
4079
4080fn room_updated(room: &proto::Room, peer: &Peer) {
4081 broadcast(
4082 None,
4083 room.participants
4084 .iter()
4085 .filter_map(|participant| Some(participant.peer_id?.into())),
4086 |peer_id| {
4087 peer.send(
4088 peer_id,
4089 proto::RoomUpdated {
4090 room: Some(room.clone()),
4091 },
4092 )
4093 },
4094 );
4095}
4096
4097fn channel_updated(
4098 channel: &db::channel::Model,
4099 room: &proto::Room,
4100 peer: &Peer,
4101 pool: &ConnectionPool,
4102) {
4103 let participants = room
4104 .participants
4105 .iter()
4106 .map(|p| p.user_id)
4107 .collect::<Vec<_>>();
4108
4109 broadcast(
4110 None,
4111 pool.channel_connection_ids(channel.root_id())
4112 .filter_map(|(channel_id, role)| {
4113 role.can_see_channel(channel.visibility)
4114 .then_some(channel_id)
4115 }),
4116 |peer_id| {
4117 peer.send(
4118 peer_id,
4119 proto::UpdateChannels {
4120 channel_participants: vec![proto::ChannelParticipants {
4121 channel_id: channel.id.to_proto(),
4122 participant_user_ids: participants.clone(),
4123 }],
4124 ..Default::default()
4125 },
4126 )
4127 },
4128 );
4129}
4130
4131async fn update_user_contacts(user_id: UserId, session: &Session) -> Result<()> {
4132 let db = session.db().await;
4133
4134 let contacts = db.get_contacts(user_id).await?;
4135 let busy = db.is_user_busy(user_id).await?;
4136
4137 let pool = session.connection_pool().await;
4138 let updated_contact = contact_for_user(user_id, busy, &pool);
4139 for contact in contacts {
4140 if let db::Contact::Accepted {
4141 user_id: contact_user_id,
4142 ..
4143 } = contact
4144 {
4145 for contact_conn_id in pool.user_connection_ids(contact_user_id) {
4146 session
4147 .peer
4148 .send(
4149 contact_conn_id,
4150 proto::UpdateContacts {
4151 contacts: vec![updated_contact.clone()],
4152 remove_contacts: Default::default(),
4153 incoming_requests: Default::default(),
4154 remove_incoming_requests: Default::default(),
4155 outgoing_requests: Default::default(),
4156 remove_outgoing_requests: Default::default(),
4157 },
4158 )
4159 .trace_err();
4160 }
4161 }
4162 }
4163 Ok(())
4164}
4165
4166async fn leave_room_for_session(session: &Session, connection_id: ConnectionId) -> Result<()> {
4167 let mut contacts_to_update = HashSet::default();
4168
4169 let room_id;
4170 let canceled_calls_to_user_ids;
4171 let livekit_room;
4172 let delete_livekit_room;
4173 let room;
4174 let channel;
4175
4176 if let Some(mut left_room) = session.db().await.leave_room(connection_id).await? {
4177 contacts_to_update.insert(session.user_id());
4178
4179 for project in left_room.left_projects.values() {
4180 project_left(project, session);
4181 }
4182
4183 room_id = RoomId::from_proto(left_room.room.id);
4184 canceled_calls_to_user_ids = mem::take(&mut left_room.canceled_calls_to_user_ids);
4185 livekit_room = mem::take(&mut left_room.room.livekit_room);
4186 delete_livekit_room = left_room.deleted;
4187 room = mem::take(&mut left_room.room);
4188 channel = mem::take(&mut left_room.channel);
4189
4190 room_updated(&room, &session.peer);
4191 } else {
4192 return Ok(());
4193 }
4194
4195 if let Some(channel) = channel {
4196 channel_updated(
4197 &channel,
4198 &room,
4199 &session.peer,
4200 &*session.connection_pool().await,
4201 );
4202 }
4203
4204 {
4205 let pool = session.connection_pool().await;
4206 for canceled_user_id in canceled_calls_to_user_ids {
4207 for connection_id in pool.user_connection_ids(canceled_user_id) {
4208 session
4209 .peer
4210 .send(
4211 connection_id,
4212 proto::CallCanceled {
4213 room_id: room_id.to_proto(),
4214 },
4215 )
4216 .trace_err();
4217 }
4218 contacts_to_update.insert(canceled_user_id);
4219 }
4220 }
4221
4222 for contact_user_id in contacts_to_update {
4223 update_user_contacts(contact_user_id, session).await?;
4224 }
4225
4226 if let Some(live_kit) = session.app_state.livekit_client.as_ref() {
4227 live_kit
4228 .remove_participant(livekit_room.clone(), session.user_id().to_string())
4229 .await
4230 .trace_err();
4231
4232 if delete_livekit_room {
4233 live_kit.delete_room(livekit_room).await.trace_err();
4234 }
4235 }
4236
4237 Ok(())
4238}
4239
4240async fn leave_channel_buffers_for_session(session: &Session) -> Result<()> {
4241 let left_channel_buffers = session
4242 .db()
4243 .await
4244 .leave_channel_buffers(session.connection_id)
4245 .await?;
4246
4247 for left_buffer in left_channel_buffers {
4248 channel_buffer_updated(
4249 session.connection_id,
4250 left_buffer.connections,
4251 &proto::UpdateChannelBufferCollaborators {
4252 channel_id: left_buffer.channel_id.to_proto(),
4253 collaborators: left_buffer.collaborators,
4254 },
4255 &session.peer,
4256 );
4257 }
4258
4259 Ok(())
4260}
4261
4262fn project_left(project: &db::LeftProject, session: &Session) {
4263 for connection_id in &project.connection_ids {
4264 if project.should_unshare {
4265 session
4266 .peer
4267 .send(
4268 *connection_id,
4269 proto::UnshareProject {
4270 project_id: project.id.to_proto(),
4271 },
4272 )
4273 .trace_err();
4274 } else {
4275 session
4276 .peer
4277 .send(
4278 *connection_id,
4279 proto::RemoveProjectCollaborator {
4280 project_id: project.id.to_proto(),
4281 peer_id: Some(session.connection_id.into()),
4282 },
4283 )
4284 .trace_err();
4285 }
4286 }
4287}
4288
4289pub trait ResultExt {
4290 type Ok;
4291
4292 fn trace_err(self) -> Option<Self::Ok>;
4293}
4294
4295impl<T, E> ResultExt for Result<T, E>
4296where
4297 E: std::fmt::Debug,
4298{
4299 type Ok = T;
4300
4301 #[track_caller]
4302 fn trace_err(self) -> Option<T> {
4303 match self {
4304 Ok(value) => Some(value),
4305 Err(error) => {
4306 tracing::error!("{:?}", error);
4307 None
4308 }
4309 }
4310 }
4311}