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 if self.is_staff() {
184 return Ok(proto::Plan::ZedPro);
185 }
186
187 let user_id = self.user_id();
188
189 let subscription = db.get_active_billing_subscription(user_id).await?;
190 let subscription_kind = subscription.and_then(|subscription| subscription.kind);
191
192 let plan = if let Some(subscription_kind) = subscription_kind {
193 match subscription_kind {
194 SubscriptionKind::ZedPro => proto::Plan::ZedPro,
195 SubscriptionKind::ZedProTrial => proto::Plan::ZedProTrial,
196 SubscriptionKind::ZedFree => proto::Plan::Free,
197 }
198 } else {
199 proto::Plan::Free
200 };
201
202 Ok(plan)
203 }
204
205 fn user_id(&self) -> UserId {
206 match &self.principal {
207 Principal::User(user) => user.id,
208 Principal::Impersonated { user, .. } => user.id,
209 }
210 }
211
212 pub fn email(&self) -> Option<String> {
213 match &self.principal {
214 Principal::User(user) => user.email_address.clone(),
215 Principal::Impersonated { user, .. } => user.email_address.clone(),
216 }
217 }
218}
219
220impl Debug for Session {
221 fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
222 let mut result = f.debug_struct("Session");
223 match &self.principal {
224 Principal::User(user) => {
225 result.field("user", &user.github_login);
226 }
227 Principal::Impersonated { user, admin } => {
228 result.field("user", &user.github_login);
229 result.field("impersonator", &admin.github_login);
230 }
231 }
232 result.field("connection_id", &self.connection_id).finish()
233 }
234}
235
236struct DbHandle(Arc<Database>);
237
238impl Deref for DbHandle {
239 type Target = Database;
240
241 fn deref(&self) -> &Self::Target {
242 self.0.as_ref()
243 }
244}
245
246pub struct Server {
247 id: parking_lot::Mutex<ServerId>,
248 peer: Arc<Peer>,
249 pub(crate) connection_pool: Arc<parking_lot::Mutex<ConnectionPool>>,
250 app_state: Arc<AppState>,
251 handlers: HashMap<TypeId, MessageHandler>,
252 teardown: watch::Sender<bool>,
253}
254
255pub(crate) struct ConnectionPoolGuard<'a> {
256 guard: parking_lot::MutexGuard<'a, ConnectionPool>,
257 _not_send: PhantomData<Rc<()>>,
258}
259
260#[derive(Serialize)]
261pub struct ServerSnapshot<'a> {
262 peer: &'a Peer,
263 #[serde(serialize_with = "serialize_deref")]
264 connection_pool: ConnectionPoolGuard<'a>,
265}
266
267pub fn serialize_deref<S, T, U>(value: &T, serializer: S) -> Result<S::Ok, S::Error>
268where
269 S: Serializer,
270 T: Deref<Target = U>,
271 U: Serialize,
272{
273 Serialize::serialize(value.deref(), serializer)
274}
275
276impl Server {
277 pub fn new(id: ServerId, app_state: Arc<AppState>) -> Arc<Self> {
278 let mut server = Self {
279 id: parking_lot::Mutex::new(id),
280 peer: Peer::new(id.0 as u32),
281 app_state: app_state.clone(),
282 connection_pool: Default::default(),
283 handlers: Default::default(),
284 teardown: watch::channel(false).0,
285 };
286
287 server
288 .add_request_handler(ping)
289 .add_request_handler(create_room)
290 .add_request_handler(join_room)
291 .add_request_handler(rejoin_room)
292 .add_request_handler(leave_room)
293 .add_request_handler(set_room_participant_role)
294 .add_request_handler(call)
295 .add_request_handler(cancel_call)
296 .add_message_handler(decline_call)
297 .add_request_handler(update_participant_location)
298 .add_request_handler(share_project)
299 .add_message_handler(unshare_project)
300 .add_request_handler(join_project)
301 .add_message_handler(leave_project)
302 .add_request_handler(update_project)
303 .add_request_handler(update_worktree)
304 .add_request_handler(update_repository)
305 .add_request_handler(remove_repository)
306 .add_message_handler(start_language_server)
307 .add_message_handler(update_language_server)
308 .add_message_handler(update_diagnostic_summary)
309 .add_message_handler(update_worktree_settings)
310 .add_request_handler(forward_read_only_project_request::<proto::GetHover>)
311 .add_request_handler(forward_read_only_project_request::<proto::GetDefinition>)
312 .add_request_handler(forward_read_only_project_request::<proto::GetTypeDefinition>)
313 .add_request_handler(forward_read_only_project_request::<proto::GetReferences>)
314 .add_request_handler(forward_find_search_candidates_request)
315 .add_request_handler(forward_read_only_project_request::<proto::GetDocumentHighlights>)
316 .add_request_handler(forward_read_only_project_request::<proto::GetDocumentSymbols>)
317 .add_request_handler(forward_read_only_project_request::<proto::GetProjectSymbols>)
318 .add_request_handler(forward_read_only_project_request::<proto::OpenBufferForSymbol>)
319 .add_request_handler(forward_read_only_project_request::<proto::OpenBufferById>)
320 .add_request_handler(forward_read_only_project_request::<proto::SynchronizeBuffers>)
321 .add_request_handler(forward_read_only_project_request::<proto::InlayHints>)
322 .add_request_handler(forward_read_only_project_request::<proto::ResolveInlayHint>)
323 .add_request_handler(forward_mutating_project_request::<proto::GetCodeLens>)
324 .add_request_handler(forward_read_only_project_request::<proto::OpenBufferByPath>)
325 .add_request_handler(forward_read_only_project_request::<proto::GitGetBranches>)
326 .add_request_handler(forward_read_only_project_request::<proto::OpenUnstagedDiff>)
327 .add_request_handler(forward_read_only_project_request::<proto::OpenUncommittedDiff>)
328 .add_request_handler(forward_read_only_project_request::<proto::LspExtExpandMacro>)
329 .add_request_handler(forward_read_only_project_request::<proto::LspExtOpenDocs>)
330 .add_request_handler(forward_mutating_project_request::<proto::LspExtRunnables>)
331 .add_request_handler(
332 forward_read_only_project_request::<proto::LspExtSwitchSourceHeader>,
333 )
334 .add_request_handler(forward_read_only_project_request::<proto::LspExtGoToParentModule>)
335 .add_request_handler(forward_read_only_project_request::<proto::LspExtCancelFlycheck>)
336 .add_request_handler(forward_read_only_project_request::<proto::LspExtRunFlycheck>)
337 .add_request_handler(forward_read_only_project_request::<proto::LspExtClearFlycheck>)
338 .add_request_handler(
339 forward_read_only_project_request::<proto::LanguageServerIdForName>,
340 )
341 .add_request_handler(
342 forward_mutating_project_request::<proto::RegisterBufferWithLanguageServers>,
343 )
344 .add_request_handler(forward_mutating_project_request::<proto::UpdateGitBranch>)
345 .add_request_handler(forward_mutating_project_request::<proto::GetCompletions>)
346 .add_request_handler(
347 forward_mutating_project_request::<proto::ApplyCompletionAdditionalEdits>,
348 )
349 .add_request_handler(forward_mutating_project_request::<proto::OpenNewBuffer>)
350 .add_request_handler(
351 forward_mutating_project_request::<proto::ResolveCompletionDocumentation>,
352 )
353 .add_request_handler(forward_mutating_project_request::<proto::GetCodeActions>)
354 .add_request_handler(forward_mutating_project_request::<proto::ApplyCodeAction>)
355 .add_request_handler(forward_mutating_project_request::<proto::PrepareRename>)
356 .add_request_handler(forward_mutating_project_request::<proto::PerformRename>)
357 .add_request_handler(forward_mutating_project_request::<proto::ReloadBuffers>)
358 .add_request_handler(forward_mutating_project_request::<proto::ApplyCodeActionKind>)
359 .add_request_handler(forward_mutating_project_request::<proto::FormatBuffers>)
360 .add_request_handler(forward_mutating_project_request::<proto::CreateProjectEntry>)
361 .add_request_handler(forward_mutating_project_request::<proto::RenameProjectEntry>)
362 .add_request_handler(forward_mutating_project_request::<proto::CopyProjectEntry>)
363 .add_request_handler(forward_mutating_project_request::<proto::DeleteProjectEntry>)
364 .add_request_handler(forward_mutating_project_request::<proto::ExpandProjectEntry>)
365 .add_request_handler(
366 forward_mutating_project_request::<proto::ExpandAllForProjectEntry>,
367 )
368 .add_request_handler(forward_mutating_project_request::<proto::OnTypeFormatting>)
369 .add_request_handler(forward_mutating_project_request::<proto::SaveBuffer>)
370 .add_request_handler(forward_mutating_project_request::<proto::BlameBuffer>)
371 .add_request_handler(forward_mutating_project_request::<proto::MultiLspQuery>)
372 .add_request_handler(forward_mutating_project_request::<proto::RestartLanguageServers>)
373 .add_request_handler(forward_mutating_project_request::<proto::StopLanguageServers>)
374 .add_request_handler(forward_mutating_project_request::<proto::LinkedEditingRange>)
375 .add_message_handler(create_buffer_for_peer)
376 .add_request_handler(update_buffer)
377 .add_message_handler(broadcast_project_message_from_host::<proto::RefreshInlayHints>)
378 .add_message_handler(broadcast_project_message_from_host::<proto::RefreshCodeLens>)
379 .add_message_handler(broadcast_project_message_from_host::<proto::UpdateBufferFile>)
380 .add_message_handler(broadcast_project_message_from_host::<proto::BufferReloaded>)
381 .add_message_handler(broadcast_project_message_from_host::<proto::BufferSaved>)
382 .add_message_handler(broadcast_project_message_from_host::<proto::UpdateDiffBases>)
383 .add_request_handler(get_users)
384 .add_request_handler(fuzzy_search_users)
385 .add_request_handler(request_contact)
386 .add_request_handler(remove_contact)
387 .add_request_handler(respond_to_contact_request)
388 .add_message_handler(subscribe_to_channels)
389 .add_request_handler(create_channel)
390 .add_request_handler(delete_channel)
391 .add_request_handler(invite_channel_member)
392 .add_request_handler(remove_channel_member)
393 .add_request_handler(set_channel_member_role)
394 .add_request_handler(set_channel_visibility)
395 .add_request_handler(rename_channel)
396 .add_request_handler(join_channel_buffer)
397 .add_request_handler(leave_channel_buffer)
398 .add_message_handler(update_channel_buffer)
399 .add_request_handler(rejoin_channel_buffers)
400 .add_request_handler(get_channel_members)
401 .add_request_handler(respond_to_channel_invite)
402 .add_request_handler(join_channel)
403 .add_request_handler(join_channel_chat)
404 .add_message_handler(leave_channel_chat)
405 .add_request_handler(send_channel_message)
406 .add_request_handler(remove_channel_message)
407 .add_request_handler(update_channel_message)
408 .add_request_handler(get_channel_messages)
409 .add_request_handler(get_channel_messages_by_id)
410 .add_request_handler(get_notifications)
411 .add_request_handler(mark_notification_as_read)
412 .add_request_handler(move_channel)
413 .add_request_handler(follow)
414 .add_message_handler(unfollow)
415 .add_message_handler(update_followers)
416 .add_request_handler(get_private_user_info)
417 .add_request_handler(get_llm_api_token)
418 .add_request_handler(accept_terms_of_service)
419 .add_message_handler(acknowledge_channel_message)
420 .add_message_handler(acknowledge_buffer_version)
421 .add_request_handler(get_supermaven_api_key)
422 .add_request_handler(forward_mutating_project_request::<proto::OpenContext>)
423 .add_request_handler(forward_mutating_project_request::<proto::CreateContext>)
424 .add_request_handler(forward_mutating_project_request::<proto::SynchronizeContexts>)
425 .add_request_handler(forward_mutating_project_request::<proto::Stage>)
426 .add_request_handler(forward_mutating_project_request::<proto::Unstage>)
427 .add_request_handler(forward_mutating_project_request::<proto::Commit>)
428 .add_request_handler(forward_mutating_project_request::<proto::GitInit>)
429 .add_request_handler(forward_read_only_project_request::<proto::GetRemotes>)
430 .add_request_handler(forward_read_only_project_request::<proto::GitShow>)
431 .add_request_handler(forward_read_only_project_request::<proto::LoadCommitDiff>)
432 .add_request_handler(forward_read_only_project_request::<proto::GitReset>)
433 .add_request_handler(forward_read_only_project_request::<proto::GitCheckoutFiles>)
434 .add_request_handler(forward_mutating_project_request::<proto::SetIndexText>)
435 .add_request_handler(forward_mutating_project_request::<proto::ToggleBreakpoint>)
436 .add_message_handler(broadcast_project_message_from_host::<proto::BreakpointsForFile>)
437 .add_request_handler(forward_mutating_project_request::<proto::OpenCommitMessageBuffer>)
438 .add_request_handler(forward_mutating_project_request::<proto::GitDiff>)
439 .add_request_handler(forward_mutating_project_request::<proto::GitCreateBranch>)
440 .add_request_handler(forward_mutating_project_request::<proto::GitChangeBranch>)
441 .add_request_handler(forward_mutating_project_request::<proto::CheckForPushedCommits>)
442 .add_message_handler(broadcast_project_message_from_host::<proto::AdvertiseContexts>)
443 .add_message_handler(update_context);
444
445 Arc::new(server)
446 }
447
448 pub async fn start(&self) -> Result<()> {
449 let server_id = *self.id.lock();
450 let app_state = self.app_state.clone();
451 let peer = self.peer.clone();
452 let timeout = self.app_state.executor.sleep(CLEANUP_TIMEOUT);
453 let pool = self.connection_pool.clone();
454 let livekit_client = self.app_state.livekit_client.clone();
455
456 let span = info_span!("start server");
457 self.app_state.executor.spawn_detached(
458 async move {
459 tracing::info!("waiting for cleanup timeout");
460 timeout.await;
461 tracing::info!("cleanup timeout expired, retrieving stale rooms");
462 if let Some((room_ids, channel_ids)) = app_state
463 .db
464 .stale_server_resource_ids(&app_state.config.zed_environment, server_id)
465 .await
466 .trace_err()
467 {
468 tracing::info!(stale_room_count = room_ids.len(), "retrieved stale rooms");
469 tracing::info!(
470 stale_channel_buffer_count = channel_ids.len(),
471 "retrieved stale channel buffers"
472 );
473
474 for channel_id in channel_ids {
475 if let Some(refreshed_channel_buffer) = app_state
476 .db
477 .clear_stale_channel_buffer_collaborators(channel_id, server_id)
478 .await
479 .trace_err()
480 {
481 for connection_id in refreshed_channel_buffer.connection_ids {
482 peer.send(
483 connection_id,
484 proto::UpdateChannelBufferCollaborators {
485 channel_id: channel_id.to_proto(),
486 collaborators: refreshed_channel_buffer
487 .collaborators
488 .clone(),
489 },
490 )
491 .trace_err();
492 }
493 }
494 }
495
496 for room_id in room_ids {
497 let mut contacts_to_update = HashSet::default();
498 let mut canceled_calls_to_user_ids = Vec::new();
499 let mut livekit_room = String::new();
500 let mut delete_livekit_room = false;
501
502 if let Some(mut refreshed_room) = app_state
503 .db
504 .clear_stale_room_participants(room_id, server_id)
505 .await
506 .trace_err()
507 {
508 tracing::info!(
509 room_id = room_id.0,
510 new_participant_count = refreshed_room.room.participants.len(),
511 "refreshed room"
512 );
513 room_updated(&refreshed_room.room, &peer);
514 if let Some(channel) = refreshed_room.channel.as_ref() {
515 channel_updated(channel, &refreshed_room.room, &peer, &pool.lock());
516 }
517 contacts_to_update
518 .extend(refreshed_room.stale_participant_user_ids.iter().copied());
519 contacts_to_update
520 .extend(refreshed_room.canceled_calls_to_user_ids.iter().copied());
521 canceled_calls_to_user_ids =
522 mem::take(&mut refreshed_room.canceled_calls_to_user_ids);
523 livekit_room = mem::take(&mut refreshed_room.room.livekit_room);
524 delete_livekit_room = refreshed_room.room.participants.is_empty();
525 }
526
527 {
528 let pool = pool.lock();
529 for canceled_user_id in canceled_calls_to_user_ids {
530 for connection_id in pool.user_connection_ids(canceled_user_id) {
531 peer.send(
532 connection_id,
533 proto::CallCanceled {
534 room_id: room_id.to_proto(),
535 },
536 )
537 .trace_err();
538 }
539 }
540 }
541
542 for user_id in contacts_to_update {
543 let busy = app_state.db.is_user_busy(user_id).await.trace_err();
544 let contacts = app_state.db.get_contacts(user_id).await.trace_err();
545 if let Some((busy, contacts)) = busy.zip(contacts) {
546 let pool = pool.lock();
547 let updated_contact = contact_for_user(user_id, busy, &pool);
548 for contact in contacts {
549 if let db::Contact::Accepted {
550 user_id: contact_user_id,
551 ..
552 } = contact
553 {
554 for contact_conn_id in
555 pool.user_connection_ids(contact_user_id)
556 {
557 peer.send(
558 contact_conn_id,
559 proto::UpdateContacts {
560 contacts: vec![updated_contact.clone()],
561 remove_contacts: Default::default(),
562 incoming_requests: Default::default(),
563 remove_incoming_requests: Default::default(),
564 outgoing_requests: Default::default(),
565 remove_outgoing_requests: Default::default(),
566 },
567 )
568 .trace_err();
569 }
570 }
571 }
572 }
573 }
574
575 if let Some(live_kit) = livekit_client.as_ref() {
576 if delete_livekit_room {
577 live_kit.delete_room(livekit_room).await.trace_err();
578 }
579 }
580 }
581 }
582
583 app_state
584 .db
585 .delete_stale_servers(&app_state.config.zed_environment, server_id)
586 .await
587 .trace_err();
588 }
589 .instrument(span),
590 );
591 Ok(())
592 }
593
594 pub fn teardown(&self) {
595 self.peer.teardown();
596 self.connection_pool.lock().reset();
597 let _ = self.teardown.send(true);
598 }
599
600 #[cfg(test)]
601 pub fn reset(&self, id: ServerId) {
602 self.teardown();
603 *self.id.lock() = id;
604 self.peer.reset(id.0 as u32);
605 let _ = self.teardown.send(false);
606 }
607
608 #[cfg(test)]
609 pub fn id(&self) -> ServerId {
610 *self.id.lock()
611 }
612
613 fn add_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
614 where
615 F: 'static + Send + Sync + Fn(TypedEnvelope<M>, Session) -> Fut,
616 Fut: 'static + Send + Future<Output = Result<()>>,
617 M: EnvelopedMessage,
618 {
619 let prev_handler = self.handlers.insert(
620 TypeId::of::<M>(),
621 Box::new(move |envelope, session| {
622 let envelope = envelope.into_any().downcast::<TypedEnvelope<M>>().unwrap();
623 let received_at = envelope.received_at;
624 tracing::info!("message received");
625 let start_time = Instant::now();
626 let future = (handler)(*envelope, session);
627 async move {
628 let result = future.await;
629 let total_duration_ms = received_at.elapsed().as_micros() as f64 / 1000.0;
630 let processing_duration_ms = start_time.elapsed().as_micros() as f64 / 1000.0;
631 let queue_duration_ms = total_duration_ms - processing_duration_ms;
632 let payload_type = M::NAME;
633
634 match result {
635 Err(error) => {
636 tracing::error!(
637 ?error,
638 total_duration_ms,
639 processing_duration_ms,
640 queue_duration_ms,
641 payload_type,
642 "error handling message"
643 )
644 }
645 Ok(()) => tracing::info!(
646 total_duration_ms,
647 processing_duration_ms,
648 queue_duration_ms,
649 "finished handling message"
650 ),
651 }
652 }
653 .boxed()
654 }),
655 );
656 if prev_handler.is_some() {
657 panic!("registered a handler for the same message twice");
658 }
659 self
660 }
661
662 fn add_message_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
663 where
664 F: 'static + Send + Sync + Fn(M, Session) -> Fut,
665 Fut: 'static + Send + Future<Output = Result<()>>,
666 M: EnvelopedMessage,
667 {
668 self.add_handler(move |envelope, session| handler(envelope.payload, session));
669 self
670 }
671
672 fn add_request_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
673 where
674 F: 'static + Send + Sync + Fn(M, Response<M>, Session) -> Fut,
675 Fut: Send + Future<Output = Result<()>>,
676 M: RequestMessage,
677 {
678 let handler = Arc::new(handler);
679 self.add_handler(move |envelope, session| {
680 let receipt = envelope.receipt();
681 let handler = handler.clone();
682 async move {
683 let peer = session.peer.clone();
684 let responded = Arc::new(AtomicBool::default());
685 let response = Response {
686 peer: peer.clone(),
687 responded: responded.clone(),
688 receipt,
689 };
690 match (handler)(envelope.payload, response, session).await {
691 Ok(()) => {
692 if responded.load(std::sync::atomic::Ordering::SeqCst) {
693 Ok(())
694 } else {
695 Err(anyhow!("handler did not send a response"))?
696 }
697 }
698 Err(error) => {
699 let proto_err = match &error {
700 Error::Internal(err) => err.to_proto(),
701 _ => ErrorCode::Internal.message(format!("{}", error)).to_proto(),
702 };
703 peer.respond_with_error(receipt, proto_err)?;
704 Err(error)
705 }
706 }
707 }
708 })
709 }
710
711 pub fn handle_connection(
712 self: &Arc<Self>,
713 connection: Connection,
714 address: String,
715 principal: Principal,
716 zed_version: ZedVersion,
717 geoip_country_code: Option<String>,
718 system_id: Option<String>,
719 send_connection_id: Option<oneshot::Sender<ConnectionId>>,
720 executor: Executor,
721 ) -> impl Future<Output = ()> + use<> {
722 let this = self.clone();
723 let span = info_span!("handle connection", %address,
724 connection_id=field::Empty,
725 user_id=field::Empty,
726 login=field::Empty,
727 impersonator=field::Empty,
728 geoip_country_code=field::Empty
729 );
730 principal.update_span(&span);
731 if let Some(country_code) = geoip_country_code.as_ref() {
732 span.record("geoip_country_code", country_code);
733 }
734
735 let mut teardown = self.teardown.subscribe();
736 async move {
737 if *teardown.borrow() {
738 tracing::error!("server is tearing down");
739 return
740 }
741 let (connection_id, handle_io, mut incoming_rx) = this
742 .peer
743 .add_connection(connection, {
744 let executor = executor.clone();
745 move |duration| executor.sleep(duration)
746 });
747 tracing::Span::current().record("connection_id", format!("{}", connection_id));
748
749 tracing::info!("connection opened");
750
751 let user_agent = format!("Zed Server/{}", env!("CARGO_PKG_VERSION"));
752 let http_client = match ReqwestClient::user_agent(&user_agent) {
753 Ok(http_client) => Arc::new(http_client),
754 Err(error) => {
755 tracing::error!(?error, "failed to create HTTP client");
756 return;
757 }
758 };
759
760 let supermaven_client = this.app_state.config.supermaven_admin_api_key.clone().map(|supermaven_admin_api_key| Arc::new(SupermavenAdminApi::new(
761 supermaven_admin_api_key.to_string(),
762 http_client.clone(),
763 )));
764
765 let session = Session {
766 principal: principal.clone(),
767 connection_id,
768 db: Arc::new(tokio::sync::Mutex::new(DbHandle(this.app_state.db.clone()))),
769 peer: this.peer.clone(),
770 connection_pool: this.connection_pool.clone(),
771 app_state: this.app_state.clone(),
772 geoip_country_code,
773 system_id,
774 _executor: executor.clone(),
775 supermaven_client,
776 };
777
778 if let Err(error) = this.send_initial_client_update(connection_id, &principal, zed_version, send_connection_id, &session).await {
779 tracing::error!(?error, "failed to send initial client update");
780 return;
781 }
782
783 let handle_io = handle_io.fuse();
784 futures::pin_mut!(handle_io);
785
786 // Handlers for foreground messages are pushed into the following `FuturesUnordered`.
787 // This prevents deadlocks when e.g., client A performs a request to client B and
788 // client B performs a request to client A. If both clients stop processing further
789 // messages until their respective request completes, they won't have a chance to
790 // respond to the other client's request and cause a deadlock.
791 //
792 // This arrangement ensures we will attempt to process earlier messages first, but fall
793 // back to processing messages arrived later in the spirit of making progress.
794 let mut foreground_message_handlers = FuturesUnordered::new();
795 let concurrent_handlers = Arc::new(Semaphore::new(256));
796 loop {
797 let next_message = async {
798 let permit = concurrent_handlers.clone().acquire_owned().await.unwrap();
799 let message = incoming_rx.next().await;
800 (permit, message)
801 }.fuse();
802 futures::pin_mut!(next_message);
803 futures::select_biased! {
804 _ = teardown.changed().fuse() => return,
805 result = handle_io => {
806 if let Err(error) = result {
807 tracing::error!(?error, "error handling I/O");
808 }
809 break;
810 }
811 _ = foreground_message_handlers.next() => {}
812 next_message = next_message => {
813 let (permit, message) = next_message;
814 if let Some(message) = message {
815 let type_name = message.payload_type_name();
816 // note: we copy all the fields from the parent span so we can query them in the logs.
817 // (https://github.com/tokio-rs/tracing/issues/2670).
818 let span = tracing::info_span!("receive message", %connection_id, %address, type_name,
819 user_id=field::Empty,
820 login=field::Empty,
821 impersonator=field::Empty,
822 );
823 principal.update_span(&span);
824 let span_enter = span.enter();
825 if let Some(handler) = this.handlers.get(&message.payload_type_id()) {
826 let is_background = message.is_background();
827 let handle_message = (handler)(message, session.clone());
828 drop(span_enter);
829
830 let handle_message = async move {
831 handle_message.await;
832 drop(permit);
833 }.instrument(span);
834 if is_background {
835 executor.spawn_detached(handle_message);
836 } else {
837 foreground_message_handlers.push(handle_message);
838 }
839 } else {
840 tracing::error!("no message handler");
841 }
842 } else {
843 tracing::info!("connection closed");
844 break;
845 }
846 }
847 }
848 }
849
850 drop(foreground_message_handlers);
851 tracing::info!("signing out");
852 if let Err(error) = connection_lost(session, teardown, executor).await {
853 tracing::error!(?error, "error signing out");
854 }
855
856 }.instrument(span)
857 }
858
859 async fn send_initial_client_update(
860 &self,
861 connection_id: ConnectionId,
862 principal: &Principal,
863 zed_version: ZedVersion,
864 mut send_connection_id: Option<oneshot::Sender<ConnectionId>>,
865 session: &Session,
866 ) -> Result<()> {
867 self.peer.send(
868 connection_id,
869 proto::Hello {
870 peer_id: Some(connection_id.into()),
871 },
872 )?;
873 tracing::info!("sent hello message");
874 if let Some(send_connection_id) = send_connection_id.take() {
875 let _ = send_connection_id.send(connection_id);
876 }
877
878 match principal {
879 Principal::User(user) | Principal::Impersonated { user, admin: _ } => {
880 if !user.connected_once {
881 self.peer.send(connection_id, proto::ShowContacts {})?;
882 self.app_state
883 .db
884 .set_user_connected_once(user.id, true)
885 .await?;
886 }
887
888 update_user_plan(user.id, session).await?;
889
890 let contacts = self.app_state.db.get_contacts(user.id).await?;
891
892 {
893 let mut pool = self.connection_pool.lock();
894 pool.add_connection(connection_id, user.id, user.admin, zed_version);
895 self.peer.send(
896 connection_id,
897 build_initial_contacts_update(contacts, &pool),
898 )?;
899 }
900
901 if should_auto_subscribe_to_channels(zed_version) {
902 subscribe_user_to_channels(user.id, session).await?;
903 }
904
905 if let Some(incoming_call) =
906 self.app_state.db.incoming_call_for_user(user.id).await?
907 {
908 self.peer.send(connection_id, incoming_call)?;
909 }
910
911 update_user_contacts(user.id, session).await?;
912 }
913 }
914
915 Ok(())
916 }
917
918 pub async fn invite_code_redeemed(
919 self: &Arc<Self>,
920 inviter_id: UserId,
921 invitee_id: UserId,
922 ) -> Result<()> {
923 if let Some(user) = self.app_state.db.get_user_by_id(inviter_id).await? {
924 if let Some(code) = &user.invite_code {
925 let pool = self.connection_pool.lock();
926 let invitee_contact = contact_for_user(invitee_id, false, &pool);
927 for connection_id in pool.user_connection_ids(inviter_id) {
928 self.peer.send(
929 connection_id,
930 proto::UpdateContacts {
931 contacts: vec![invitee_contact.clone()],
932 ..Default::default()
933 },
934 )?;
935 self.peer.send(
936 connection_id,
937 proto::UpdateInviteInfo {
938 url: format!("{}{}", self.app_state.config.invite_link_prefix, &code),
939 count: user.invite_count as u32,
940 },
941 )?;
942 }
943 }
944 }
945 Ok(())
946 }
947
948 pub async fn invite_count_updated(self: &Arc<Self>, user_id: UserId) -> Result<()> {
949 if let Some(user) = self.app_state.db.get_user_by_id(user_id).await? {
950 if let Some(invite_code) = &user.invite_code {
951 let pool = self.connection_pool.lock();
952 for connection_id in pool.user_connection_ids(user_id) {
953 self.peer.send(
954 connection_id,
955 proto::UpdateInviteInfo {
956 url: format!(
957 "{}{}",
958 self.app_state.config.invite_link_prefix, invite_code
959 ),
960 count: user.invite_count as u32,
961 },
962 )?;
963 }
964 }
965 }
966 Ok(())
967 }
968
969 pub async fn refresh_llm_tokens_for_user(self: &Arc<Self>, user_id: UserId) {
970 let pool = self.connection_pool.lock();
971 for connection_id in pool.user_connection_ids(user_id) {
972 self.peer
973 .send(connection_id, proto::RefreshLlmToken {})
974 .trace_err();
975 }
976 }
977
978 pub async fn snapshot(self: &Arc<Self>) -> ServerSnapshot {
979 ServerSnapshot {
980 connection_pool: ConnectionPoolGuard {
981 guard: self.connection_pool.lock(),
982 _not_send: PhantomData,
983 },
984 peer: &self.peer,
985 }
986 }
987}
988
989impl Deref for ConnectionPoolGuard<'_> {
990 type Target = ConnectionPool;
991
992 fn deref(&self) -> &Self::Target {
993 &self.guard
994 }
995}
996
997impl DerefMut for ConnectionPoolGuard<'_> {
998 fn deref_mut(&mut self) -> &mut Self::Target {
999 &mut self.guard
1000 }
1001}
1002
1003impl Drop for ConnectionPoolGuard<'_> {
1004 fn drop(&mut self) {
1005 #[cfg(test)]
1006 self.check_invariants();
1007 }
1008}
1009
1010fn broadcast<F>(
1011 sender_id: Option<ConnectionId>,
1012 receiver_ids: impl IntoIterator<Item = ConnectionId>,
1013 mut f: F,
1014) where
1015 F: FnMut(ConnectionId) -> anyhow::Result<()>,
1016{
1017 for receiver_id in receiver_ids {
1018 if Some(receiver_id) != sender_id {
1019 if let Err(error) = f(receiver_id) {
1020 tracing::error!("failed to send to {:?} {}", receiver_id, error);
1021 }
1022 }
1023 }
1024}
1025
1026pub struct ProtocolVersion(u32);
1027
1028impl Header for ProtocolVersion {
1029 fn name() -> &'static HeaderName {
1030 static ZED_PROTOCOL_VERSION: OnceLock<HeaderName> = OnceLock::new();
1031 ZED_PROTOCOL_VERSION.get_or_init(|| HeaderName::from_static("x-zed-protocol-version"))
1032 }
1033
1034 fn decode<'i, I>(values: &mut I) -> Result<Self, axum::headers::Error>
1035 where
1036 Self: Sized,
1037 I: Iterator<Item = &'i axum::http::HeaderValue>,
1038 {
1039 let version = values
1040 .next()
1041 .ok_or_else(axum::headers::Error::invalid)?
1042 .to_str()
1043 .map_err(|_| axum::headers::Error::invalid())?
1044 .parse()
1045 .map_err(|_| axum::headers::Error::invalid())?;
1046 Ok(Self(version))
1047 }
1048
1049 fn encode<E: Extend<axum::http::HeaderValue>>(&self, values: &mut E) {
1050 values.extend([self.0.to_string().parse().unwrap()]);
1051 }
1052}
1053
1054pub struct AppVersionHeader(SemanticVersion);
1055impl Header for AppVersionHeader {
1056 fn name() -> &'static HeaderName {
1057 static ZED_APP_VERSION: OnceLock<HeaderName> = OnceLock::new();
1058 ZED_APP_VERSION.get_or_init(|| HeaderName::from_static("x-zed-app-version"))
1059 }
1060
1061 fn decode<'i, I>(values: &mut I) -> Result<Self, axum::headers::Error>
1062 where
1063 Self: Sized,
1064 I: Iterator<Item = &'i axum::http::HeaderValue>,
1065 {
1066 let version = values
1067 .next()
1068 .ok_or_else(axum::headers::Error::invalid)?
1069 .to_str()
1070 .map_err(|_| axum::headers::Error::invalid())?
1071 .parse()
1072 .map_err(|_| axum::headers::Error::invalid())?;
1073 Ok(Self(version))
1074 }
1075
1076 fn encode<E: Extend<axum::http::HeaderValue>>(&self, values: &mut E) {
1077 values.extend([self.0.to_string().parse().unwrap()]);
1078 }
1079}
1080
1081pub fn routes(server: Arc<Server>) -> Router<(), Body> {
1082 Router::new()
1083 .route("/rpc", get(handle_websocket_request))
1084 .layer(
1085 ServiceBuilder::new()
1086 .layer(Extension(server.app_state.clone()))
1087 .layer(middleware::from_fn(auth::validate_header)),
1088 )
1089 .route("/metrics", get(handle_metrics))
1090 .layer(Extension(server))
1091}
1092
1093pub async fn handle_websocket_request(
1094 TypedHeader(ProtocolVersion(protocol_version)): TypedHeader<ProtocolVersion>,
1095 app_version_header: Option<TypedHeader<AppVersionHeader>>,
1096 ConnectInfo(socket_address): ConnectInfo<SocketAddr>,
1097 Extension(server): Extension<Arc<Server>>,
1098 Extension(principal): Extension<Principal>,
1099 country_code_header: Option<TypedHeader<CloudflareIpCountryHeader>>,
1100 system_id_header: Option<TypedHeader<SystemIdHeader>>,
1101 ws: WebSocketUpgrade,
1102) -> axum::response::Response {
1103 if protocol_version != rpc::PROTOCOL_VERSION {
1104 return (
1105 StatusCode::UPGRADE_REQUIRED,
1106 "client must be upgraded".to_string(),
1107 )
1108 .into_response();
1109 }
1110
1111 let Some(version) = app_version_header.map(|header| ZedVersion(header.0.0)) else {
1112 return (
1113 StatusCode::UPGRADE_REQUIRED,
1114 "no version header found".to_string(),
1115 )
1116 .into_response();
1117 };
1118
1119 if !version.can_collaborate() {
1120 return (
1121 StatusCode::UPGRADE_REQUIRED,
1122 "client must be upgraded".to_string(),
1123 )
1124 .into_response();
1125 }
1126
1127 let socket_address = socket_address.to_string();
1128 ws.on_upgrade(move |socket| {
1129 let socket = socket
1130 .map_ok(to_tungstenite_message)
1131 .err_into()
1132 .with(|message| async move { to_axum_message(message) });
1133 let connection = Connection::new(Box::pin(socket));
1134 async move {
1135 server
1136 .handle_connection(
1137 connection,
1138 socket_address,
1139 principal,
1140 version,
1141 country_code_header.map(|header| header.to_string()),
1142 system_id_header.map(|header| header.to_string()),
1143 None,
1144 Executor::Production,
1145 )
1146 .await;
1147 }
1148 })
1149}
1150
1151pub async fn handle_metrics(Extension(server): Extension<Arc<Server>>) -> Result<String> {
1152 static CONNECTIONS_METRIC: OnceLock<IntGauge> = OnceLock::new();
1153 let connections_metric = CONNECTIONS_METRIC
1154 .get_or_init(|| register_int_gauge!("connections", "number of connections").unwrap());
1155
1156 let connections = server
1157 .connection_pool
1158 .lock()
1159 .connections()
1160 .filter(|connection| !connection.admin)
1161 .count();
1162 connections_metric.set(connections as _);
1163
1164 static SHARED_PROJECTS_METRIC: OnceLock<IntGauge> = OnceLock::new();
1165 let shared_projects_metric = SHARED_PROJECTS_METRIC.get_or_init(|| {
1166 register_int_gauge!(
1167 "shared_projects",
1168 "number of open projects with one or more guests"
1169 )
1170 .unwrap()
1171 });
1172
1173 let shared_projects = server.app_state.db.project_count_excluding_admins().await?;
1174 shared_projects_metric.set(shared_projects as _);
1175
1176 let encoder = prometheus::TextEncoder::new();
1177 let metric_families = prometheus::gather();
1178 let encoded_metrics = encoder
1179 .encode_to_string(&metric_families)
1180 .map_err(|err| anyhow!("{}", err))?;
1181 Ok(encoded_metrics)
1182}
1183
1184#[instrument(err, skip(executor))]
1185async fn connection_lost(
1186 session: Session,
1187 mut teardown: watch::Receiver<bool>,
1188 executor: Executor,
1189) -> Result<()> {
1190 session.peer.disconnect(session.connection_id);
1191 session
1192 .connection_pool()
1193 .await
1194 .remove_connection(session.connection_id)?;
1195
1196 session
1197 .db()
1198 .await
1199 .connection_lost(session.connection_id)
1200 .await
1201 .trace_err();
1202
1203 futures::select_biased! {
1204 _ = executor.sleep(RECONNECT_TIMEOUT).fuse() => {
1205
1206 log::info!("connection lost, removing all resources for user:{}, connection:{:?}", session.user_id(), session.connection_id);
1207 leave_room_for_session(&session, session.connection_id).await.trace_err();
1208 leave_channel_buffers_for_session(&session)
1209 .await
1210 .trace_err();
1211
1212 if !session
1213 .connection_pool()
1214 .await
1215 .is_user_online(session.user_id())
1216 {
1217 let db = session.db().await;
1218 if let Some(room) = db.decline_call(None, session.user_id()).await.trace_err().flatten() {
1219 room_updated(&room, &session.peer);
1220 }
1221 }
1222
1223 update_user_contacts(session.user_id(), &session).await?;
1224 },
1225 _ = teardown.changed().fuse() => {}
1226 }
1227
1228 Ok(())
1229}
1230
1231/// Acknowledges a ping from a client, used to keep the connection alive.
1232async fn ping(_: proto::Ping, response: Response<proto::Ping>, _session: Session) -> Result<()> {
1233 response.send(proto::Ack {})?;
1234 Ok(())
1235}
1236
1237/// Creates a new room for calling (outside of channels)
1238async fn create_room(
1239 _request: proto::CreateRoom,
1240 response: Response<proto::CreateRoom>,
1241 session: Session,
1242) -> Result<()> {
1243 let livekit_room = nanoid::nanoid!(30);
1244
1245 let live_kit_connection_info = util::maybe!(async {
1246 let live_kit = session.app_state.livekit_client.as_ref();
1247 let live_kit = live_kit?;
1248 let user_id = session.user_id().to_string();
1249
1250 let token = live_kit
1251 .room_token(&livekit_room, &user_id.to_string())
1252 .trace_err()?;
1253
1254 Some(proto::LiveKitConnectionInfo {
1255 server_url: live_kit.url().into(),
1256 token,
1257 can_publish: true,
1258 })
1259 })
1260 .await;
1261
1262 let room = session
1263 .db()
1264 .await
1265 .create_room(session.user_id(), session.connection_id, &livekit_room)
1266 .await?;
1267
1268 response.send(proto::CreateRoomResponse {
1269 room: Some(room.clone()),
1270 live_kit_connection_info,
1271 })?;
1272
1273 update_user_contacts(session.user_id(), &session).await?;
1274 Ok(())
1275}
1276
1277/// Join a room from an invitation. Equivalent to joining a channel if there is one.
1278async fn join_room(
1279 request: proto::JoinRoom,
1280 response: Response<proto::JoinRoom>,
1281 session: Session,
1282) -> Result<()> {
1283 let room_id = RoomId::from_proto(request.id);
1284
1285 let channel_id = session.db().await.channel_id_for_room(room_id).await?;
1286
1287 if let Some(channel_id) = channel_id {
1288 return join_channel_internal(channel_id, Box::new(response), session).await;
1289 }
1290
1291 let joined_room = {
1292 let room = session
1293 .db()
1294 .await
1295 .join_room(room_id, session.user_id(), session.connection_id)
1296 .await?;
1297 room_updated(&room.room, &session.peer);
1298 room.into_inner()
1299 };
1300
1301 for connection_id in session
1302 .connection_pool()
1303 .await
1304 .user_connection_ids(session.user_id())
1305 {
1306 session
1307 .peer
1308 .send(
1309 connection_id,
1310 proto::CallCanceled {
1311 room_id: room_id.to_proto(),
1312 },
1313 )
1314 .trace_err();
1315 }
1316
1317 let live_kit_connection_info = if let Some(live_kit) = session.app_state.livekit_client.as_ref()
1318 {
1319 live_kit
1320 .room_token(
1321 &joined_room.room.livekit_room,
1322 &session.user_id().to_string(),
1323 )
1324 .trace_err()
1325 .map(|token| proto::LiveKitConnectionInfo {
1326 server_url: live_kit.url().into(),
1327 token,
1328 can_publish: true,
1329 })
1330 } else {
1331 None
1332 };
1333
1334 response.send(proto::JoinRoomResponse {
1335 room: Some(joined_room.room),
1336 channel_id: None,
1337 live_kit_connection_info,
1338 })?;
1339
1340 update_user_contacts(session.user_id(), &session).await?;
1341 Ok(())
1342}
1343
1344/// Rejoin room is used to reconnect to a room after connection errors.
1345async fn rejoin_room(
1346 request: proto::RejoinRoom,
1347 response: Response<proto::RejoinRoom>,
1348 session: Session,
1349) -> Result<()> {
1350 let room;
1351 let channel;
1352 {
1353 let mut rejoined_room = session
1354 .db()
1355 .await
1356 .rejoin_room(request, session.user_id(), session.connection_id)
1357 .await?;
1358
1359 response.send(proto::RejoinRoomResponse {
1360 room: Some(rejoined_room.room.clone()),
1361 reshared_projects: rejoined_room
1362 .reshared_projects
1363 .iter()
1364 .map(|project| proto::ResharedProject {
1365 id: project.id.to_proto(),
1366 collaborators: project
1367 .collaborators
1368 .iter()
1369 .map(|collaborator| collaborator.to_proto())
1370 .collect(),
1371 })
1372 .collect(),
1373 rejoined_projects: rejoined_room
1374 .rejoined_projects
1375 .iter()
1376 .map(|rejoined_project| rejoined_project.to_proto())
1377 .collect(),
1378 })?;
1379 room_updated(&rejoined_room.room, &session.peer);
1380
1381 for project in &rejoined_room.reshared_projects {
1382 for collaborator in &project.collaborators {
1383 session
1384 .peer
1385 .send(
1386 collaborator.connection_id,
1387 proto::UpdateProjectCollaborator {
1388 project_id: project.id.to_proto(),
1389 old_peer_id: Some(project.old_connection_id.into()),
1390 new_peer_id: Some(session.connection_id.into()),
1391 },
1392 )
1393 .trace_err();
1394 }
1395
1396 broadcast(
1397 Some(session.connection_id),
1398 project
1399 .collaborators
1400 .iter()
1401 .map(|collaborator| collaborator.connection_id),
1402 |connection_id| {
1403 session.peer.forward_send(
1404 session.connection_id,
1405 connection_id,
1406 proto::UpdateProject {
1407 project_id: project.id.to_proto(),
1408 worktrees: project.worktrees.clone(),
1409 },
1410 )
1411 },
1412 );
1413 }
1414
1415 notify_rejoined_projects(&mut rejoined_room.rejoined_projects, &session)?;
1416
1417 let rejoined_room = rejoined_room.into_inner();
1418
1419 room = rejoined_room.room;
1420 channel = rejoined_room.channel;
1421 }
1422
1423 if let Some(channel) = channel {
1424 channel_updated(
1425 &channel,
1426 &room,
1427 &session.peer,
1428 &*session.connection_pool().await,
1429 );
1430 }
1431
1432 update_user_contacts(session.user_id(), &session).await?;
1433 Ok(())
1434}
1435
1436fn notify_rejoined_projects(
1437 rejoined_projects: &mut Vec<RejoinedProject>,
1438 session: &Session,
1439) -> Result<()> {
1440 for project in rejoined_projects.iter() {
1441 for collaborator in &project.collaborators {
1442 session
1443 .peer
1444 .send(
1445 collaborator.connection_id,
1446 proto::UpdateProjectCollaborator {
1447 project_id: project.id.to_proto(),
1448 old_peer_id: Some(project.old_connection_id.into()),
1449 new_peer_id: Some(session.connection_id.into()),
1450 },
1451 )
1452 .trace_err();
1453 }
1454 }
1455
1456 for project in rejoined_projects {
1457 for worktree in mem::take(&mut project.worktrees) {
1458 // Stream this worktree's entries.
1459 let message = proto::UpdateWorktree {
1460 project_id: project.id.to_proto(),
1461 worktree_id: worktree.id,
1462 abs_path: worktree.abs_path.clone(),
1463 root_name: worktree.root_name,
1464 updated_entries: worktree.updated_entries,
1465 removed_entries: worktree.removed_entries,
1466 scan_id: worktree.scan_id,
1467 is_last_update: worktree.completed_scan_id == worktree.scan_id,
1468 updated_repositories: worktree.updated_repositories,
1469 removed_repositories: worktree.removed_repositories,
1470 };
1471 for update in proto::split_worktree_update(message) {
1472 session.peer.send(session.connection_id, update)?;
1473 }
1474
1475 // Stream this worktree's diagnostics.
1476 for summary in worktree.diagnostic_summaries {
1477 session.peer.send(
1478 session.connection_id,
1479 proto::UpdateDiagnosticSummary {
1480 project_id: project.id.to_proto(),
1481 worktree_id: worktree.id,
1482 summary: Some(summary),
1483 },
1484 )?;
1485 }
1486
1487 for settings_file in worktree.settings_files {
1488 session.peer.send(
1489 session.connection_id,
1490 proto::UpdateWorktreeSettings {
1491 project_id: project.id.to_proto(),
1492 worktree_id: worktree.id,
1493 path: settings_file.path,
1494 content: Some(settings_file.content),
1495 kind: Some(settings_file.kind.to_proto().into()),
1496 },
1497 )?;
1498 }
1499 }
1500
1501 for repository in mem::take(&mut project.updated_repositories) {
1502 for update in split_repository_update(repository) {
1503 session.peer.send(session.connection_id, update)?;
1504 }
1505 }
1506
1507 for id in mem::take(&mut project.removed_repositories) {
1508 session.peer.send(
1509 session.connection_id,
1510 proto::RemoveRepository {
1511 project_id: project.id.to_proto(),
1512 id,
1513 },
1514 )?;
1515 }
1516 }
1517
1518 Ok(())
1519}
1520
1521/// leave room disconnects from the room.
1522async fn leave_room(
1523 _: proto::LeaveRoom,
1524 response: Response<proto::LeaveRoom>,
1525 session: Session,
1526) -> Result<()> {
1527 leave_room_for_session(&session, session.connection_id).await?;
1528 response.send(proto::Ack {})?;
1529 Ok(())
1530}
1531
1532/// Updates the permissions of someone else in the room.
1533async fn set_room_participant_role(
1534 request: proto::SetRoomParticipantRole,
1535 response: Response<proto::SetRoomParticipantRole>,
1536 session: Session,
1537) -> Result<()> {
1538 let user_id = UserId::from_proto(request.user_id);
1539 let role = ChannelRole::from(request.role());
1540
1541 let (livekit_room, can_publish) = {
1542 let room = session
1543 .db()
1544 .await
1545 .set_room_participant_role(
1546 session.user_id(),
1547 RoomId::from_proto(request.room_id),
1548 user_id,
1549 role,
1550 )
1551 .await?;
1552
1553 let livekit_room = room.livekit_room.clone();
1554 let can_publish = ChannelRole::from(request.role()).can_use_microphone();
1555 room_updated(&room, &session.peer);
1556 (livekit_room, can_publish)
1557 };
1558
1559 if let Some(live_kit) = session.app_state.livekit_client.as_ref() {
1560 live_kit
1561 .update_participant(
1562 livekit_room.clone(),
1563 request.user_id.to_string(),
1564 livekit_api::proto::ParticipantPermission {
1565 can_subscribe: true,
1566 can_publish,
1567 can_publish_data: can_publish,
1568 hidden: false,
1569 recorder: false,
1570 },
1571 )
1572 .await
1573 .trace_err();
1574 }
1575
1576 response.send(proto::Ack {})?;
1577 Ok(())
1578}
1579
1580/// Call someone else into the current room
1581async fn call(
1582 request: proto::Call,
1583 response: Response<proto::Call>,
1584 session: Session,
1585) -> Result<()> {
1586 let room_id = RoomId::from_proto(request.room_id);
1587 let calling_user_id = session.user_id();
1588 let calling_connection_id = session.connection_id;
1589 let called_user_id = UserId::from_proto(request.called_user_id);
1590 let initial_project_id = request.initial_project_id.map(ProjectId::from_proto);
1591 if !session
1592 .db()
1593 .await
1594 .has_contact(calling_user_id, called_user_id)
1595 .await?
1596 {
1597 return Err(anyhow!("cannot call a user who isn't a contact"))?;
1598 }
1599
1600 let incoming_call = {
1601 let (room, incoming_call) = &mut *session
1602 .db()
1603 .await
1604 .call(
1605 room_id,
1606 calling_user_id,
1607 calling_connection_id,
1608 called_user_id,
1609 initial_project_id,
1610 )
1611 .await?;
1612 room_updated(room, &session.peer);
1613 mem::take(incoming_call)
1614 };
1615 update_user_contacts(called_user_id, &session).await?;
1616
1617 let mut calls = session
1618 .connection_pool()
1619 .await
1620 .user_connection_ids(called_user_id)
1621 .map(|connection_id| session.peer.request(connection_id, incoming_call.clone()))
1622 .collect::<FuturesUnordered<_>>();
1623
1624 while let Some(call_response) = calls.next().await {
1625 match call_response.as_ref() {
1626 Ok(_) => {
1627 response.send(proto::Ack {})?;
1628 return Ok(());
1629 }
1630 Err(_) => {
1631 call_response.trace_err();
1632 }
1633 }
1634 }
1635
1636 {
1637 let room = session
1638 .db()
1639 .await
1640 .call_failed(room_id, called_user_id)
1641 .await?;
1642 room_updated(&room, &session.peer);
1643 }
1644 update_user_contacts(called_user_id, &session).await?;
1645
1646 Err(anyhow!("failed to ring user"))?
1647}
1648
1649/// Cancel an outgoing call.
1650async fn cancel_call(
1651 request: proto::CancelCall,
1652 response: Response<proto::CancelCall>,
1653 session: Session,
1654) -> Result<()> {
1655 let called_user_id = UserId::from_proto(request.called_user_id);
1656 let room_id = RoomId::from_proto(request.room_id);
1657 {
1658 let room = session
1659 .db()
1660 .await
1661 .cancel_call(room_id, session.connection_id, called_user_id)
1662 .await?;
1663 room_updated(&room, &session.peer);
1664 }
1665
1666 for connection_id in session
1667 .connection_pool()
1668 .await
1669 .user_connection_ids(called_user_id)
1670 {
1671 session
1672 .peer
1673 .send(
1674 connection_id,
1675 proto::CallCanceled {
1676 room_id: room_id.to_proto(),
1677 },
1678 )
1679 .trace_err();
1680 }
1681 response.send(proto::Ack {})?;
1682
1683 update_user_contacts(called_user_id, &session).await?;
1684 Ok(())
1685}
1686
1687/// Decline an incoming call.
1688async fn decline_call(message: proto::DeclineCall, session: Session) -> Result<()> {
1689 let room_id = RoomId::from_proto(message.room_id);
1690 {
1691 let room = session
1692 .db()
1693 .await
1694 .decline_call(Some(room_id), session.user_id())
1695 .await?
1696 .ok_or_else(|| anyhow!("failed to decline call"))?;
1697 room_updated(&room, &session.peer);
1698 }
1699
1700 for connection_id in session
1701 .connection_pool()
1702 .await
1703 .user_connection_ids(session.user_id())
1704 {
1705 session
1706 .peer
1707 .send(
1708 connection_id,
1709 proto::CallCanceled {
1710 room_id: room_id.to_proto(),
1711 },
1712 )
1713 .trace_err();
1714 }
1715 update_user_contacts(session.user_id(), &session).await?;
1716 Ok(())
1717}
1718
1719/// Updates other participants in the room with your current location.
1720async fn update_participant_location(
1721 request: proto::UpdateParticipantLocation,
1722 response: Response<proto::UpdateParticipantLocation>,
1723 session: Session,
1724) -> Result<()> {
1725 let room_id = RoomId::from_proto(request.room_id);
1726 let location = request
1727 .location
1728 .ok_or_else(|| anyhow!("invalid location"))?;
1729
1730 let db = session.db().await;
1731 let room = db
1732 .update_room_participant_location(room_id, session.connection_id, location)
1733 .await?;
1734
1735 room_updated(&room, &session.peer);
1736 response.send(proto::Ack {})?;
1737 Ok(())
1738}
1739
1740/// Share a project into the room.
1741async fn share_project(
1742 request: proto::ShareProject,
1743 response: Response<proto::ShareProject>,
1744 session: Session,
1745) -> Result<()> {
1746 let (project_id, room) = &*session
1747 .db()
1748 .await
1749 .share_project(
1750 RoomId::from_proto(request.room_id),
1751 session.connection_id,
1752 &request.worktrees,
1753 request.is_ssh_project,
1754 )
1755 .await?;
1756 response.send(proto::ShareProjectResponse {
1757 project_id: project_id.to_proto(),
1758 })?;
1759 room_updated(room, &session.peer);
1760
1761 Ok(())
1762}
1763
1764/// Unshare a project from the room.
1765async fn unshare_project(message: proto::UnshareProject, session: Session) -> Result<()> {
1766 let project_id = ProjectId::from_proto(message.project_id);
1767 unshare_project_internal(project_id, session.connection_id, &session).await
1768}
1769
1770async fn unshare_project_internal(
1771 project_id: ProjectId,
1772 connection_id: ConnectionId,
1773 session: &Session,
1774) -> Result<()> {
1775 let delete = {
1776 let room_guard = session
1777 .db()
1778 .await
1779 .unshare_project(project_id, connection_id)
1780 .await?;
1781
1782 let (delete, room, guest_connection_ids) = &*room_guard;
1783
1784 let message = proto::UnshareProject {
1785 project_id: project_id.to_proto(),
1786 };
1787
1788 broadcast(
1789 Some(connection_id),
1790 guest_connection_ids.iter().copied(),
1791 |conn_id| session.peer.send(conn_id, message.clone()),
1792 );
1793 if let Some(room) = room {
1794 room_updated(room, &session.peer);
1795 }
1796
1797 *delete
1798 };
1799
1800 if delete {
1801 let db = session.db().await;
1802 db.delete_project(project_id).await?;
1803 }
1804
1805 Ok(())
1806}
1807
1808/// Join someone elses shared project.
1809async fn join_project(
1810 request: proto::JoinProject,
1811 response: Response<proto::JoinProject>,
1812 session: Session,
1813) -> Result<()> {
1814 let project_id = ProjectId::from_proto(request.project_id);
1815
1816 tracing::info!(%project_id, "join project");
1817
1818 let db = session.db().await;
1819 let (project, replica_id) = &mut *db
1820 .join_project(project_id, session.connection_id, session.user_id())
1821 .await?;
1822 drop(db);
1823 tracing::info!(%project_id, "join remote project");
1824 join_project_internal(response, session, project, replica_id)
1825}
1826
1827trait JoinProjectInternalResponse {
1828 fn send(self, result: proto::JoinProjectResponse) -> Result<()>;
1829}
1830impl JoinProjectInternalResponse for Response<proto::JoinProject> {
1831 fn send(self, result: proto::JoinProjectResponse) -> Result<()> {
1832 Response::<proto::JoinProject>::send(self, result)
1833 }
1834}
1835
1836fn join_project_internal(
1837 response: impl JoinProjectInternalResponse,
1838 session: Session,
1839 project: &mut Project,
1840 replica_id: &ReplicaId,
1841) -> Result<()> {
1842 let collaborators = project
1843 .collaborators
1844 .iter()
1845 .filter(|collaborator| collaborator.connection_id != session.connection_id)
1846 .map(|collaborator| collaborator.to_proto())
1847 .collect::<Vec<_>>();
1848 let project_id = project.id;
1849 let guest_user_id = session.user_id();
1850
1851 let worktrees = project
1852 .worktrees
1853 .iter()
1854 .map(|(id, worktree)| proto::WorktreeMetadata {
1855 id: *id,
1856 root_name: worktree.root_name.clone(),
1857 visible: worktree.visible,
1858 abs_path: worktree.abs_path.clone(),
1859 })
1860 .collect::<Vec<_>>();
1861
1862 let add_project_collaborator = proto::AddProjectCollaborator {
1863 project_id: project_id.to_proto(),
1864 collaborator: Some(proto::Collaborator {
1865 peer_id: Some(session.connection_id.into()),
1866 replica_id: replica_id.0 as u32,
1867 user_id: guest_user_id.to_proto(),
1868 is_host: false,
1869 }),
1870 };
1871
1872 for collaborator in &collaborators {
1873 session
1874 .peer
1875 .send(
1876 collaborator.peer_id.unwrap().into(),
1877 add_project_collaborator.clone(),
1878 )
1879 .trace_err();
1880 }
1881
1882 // First, we send the metadata associated with each worktree.
1883 response.send(proto::JoinProjectResponse {
1884 project_id: project.id.0 as u64,
1885 worktrees: worktrees.clone(),
1886 replica_id: replica_id.0 as u32,
1887 collaborators: collaborators.clone(),
1888 language_servers: project.language_servers.clone(),
1889 role: project.role.into(),
1890 })?;
1891
1892 for (worktree_id, worktree) in mem::take(&mut project.worktrees) {
1893 // Stream this worktree's entries.
1894 let message = proto::UpdateWorktree {
1895 project_id: project_id.to_proto(),
1896 worktree_id,
1897 abs_path: worktree.abs_path.clone(),
1898 root_name: worktree.root_name,
1899 updated_entries: worktree.entries,
1900 removed_entries: Default::default(),
1901 scan_id: worktree.scan_id,
1902 is_last_update: worktree.scan_id == worktree.completed_scan_id,
1903 updated_repositories: worktree.legacy_repository_entries.into_values().collect(),
1904 removed_repositories: Default::default(),
1905 };
1906 for update in proto::split_worktree_update(message) {
1907 session.peer.send(session.connection_id, update.clone())?;
1908 }
1909
1910 // Stream this worktree's diagnostics.
1911 for summary in worktree.diagnostic_summaries {
1912 session.peer.send(
1913 session.connection_id,
1914 proto::UpdateDiagnosticSummary {
1915 project_id: project_id.to_proto(),
1916 worktree_id: worktree.id,
1917 summary: Some(summary),
1918 },
1919 )?;
1920 }
1921
1922 for settings_file in worktree.settings_files {
1923 session.peer.send(
1924 session.connection_id,
1925 proto::UpdateWorktreeSettings {
1926 project_id: project_id.to_proto(),
1927 worktree_id: worktree.id,
1928 path: settings_file.path,
1929 content: Some(settings_file.content),
1930 kind: Some(settings_file.kind.to_proto() as i32),
1931 },
1932 )?;
1933 }
1934 }
1935
1936 for repository in mem::take(&mut project.repositories) {
1937 for update in split_repository_update(repository) {
1938 session.peer.send(session.connection_id, update)?;
1939 }
1940 }
1941
1942 for language_server in &project.language_servers {
1943 session.peer.send(
1944 session.connection_id,
1945 proto::UpdateLanguageServer {
1946 project_id: project_id.to_proto(),
1947 language_server_id: language_server.id,
1948 variant: Some(
1949 proto::update_language_server::Variant::DiskBasedDiagnosticsUpdated(
1950 proto::LspDiskBasedDiagnosticsUpdated {},
1951 ),
1952 ),
1953 },
1954 )?;
1955 }
1956
1957 Ok(())
1958}
1959
1960/// Leave someone elses shared project.
1961async fn leave_project(request: proto::LeaveProject, session: Session) -> Result<()> {
1962 let sender_id = session.connection_id;
1963 let project_id = ProjectId::from_proto(request.project_id);
1964 let db = session.db().await;
1965
1966 let (room, project) = &*db.leave_project(project_id, sender_id).await?;
1967 tracing::info!(
1968 %project_id,
1969 "leave project"
1970 );
1971
1972 project_left(project, &session);
1973 if let Some(room) = room {
1974 room_updated(room, &session.peer);
1975 }
1976
1977 Ok(())
1978}
1979
1980/// Updates other participants with changes to the project
1981async fn update_project(
1982 request: proto::UpdateProject,
1983 response: Response<proto::UpdateProject>,
1984 session: Session,
1985) -> Result<()> {
1986 let project_id = ProjectId::from_proto(request.project_id);
1987 let (room, guest_connection_ids) = &*session
1988 .db()
1989 .await
1990 .update_project(project_id, session.connection_id, &request.worktrees)
1991 .await?;
1992 broadcast(
1993 Some(session.connection_id),
1994 guest_connection_ids.iter().copied(),
1995 |connection_id| {
1996 session
1997 .peer
1998 .forward_send(session.connection_id, connection_id, request.clone())
1999 },
2000 );
2001 if let Some(room) = room {
2002 room_updated(room, &session.peer);
2003 }
2004 response.send(proto::Ack {})?;
2005
2006 Ok(())
2007}
2008
2009/// Updates other participants with changes to the worktree
2010async fn update_worktree(
2011 request: proto::UpdateWorktree,
2012 response: Response<proto::UpdateWorktree>,
2013 session: Session,
2014) -> Result<()> {
2015 let guest_connection_ids = session
2016 .db()
2017 .await
2018 .update_worktree(&request, session.connection_id)
2019 .await?;
2020
2021 broadcast(
2022 Some(session.connection_id),
2023 guest_connection_ids.iter().copied(),
2024 |connection_id| {
2025 session
2026 .peer
2027 .forward_send(session.connection_id, connection_id, request.clone())
2028 },
2029 );
2030 response.send(proto::Ack {})?;
2031 Ok(())
2032}
2033
2034async fn update_repository(
2035 request: proto::UpdateRepository,
2036 response: Response<proto::UpdateRepository>,
2037 session: Session,
2038) -> Result<()> {
2039 let guest_connection_ids = session
2040 .db()
2041 .await
2042 .update_repository(&request, session.connection_id)
2043 .await?;
2044
2045 broadcast(
2046 Some(session.connection_id),
2047 guest_connection_ids.iter().copied(),
2048 |connection_id| {
2049 session
2050 .peer
2051 .forward_send(session.connection_id, connection_id, request.clone())
2052 },
2053 );
2054 response.send(proto::Ack {})?;
2055 Ok(())
2056}
2057
2058async fn remove_repository(
2059 request: proto::RemoveRepository,
2060 response: Response<proto::RemoveRepository>,
2061 session: Session,
2062) -> Result<()> {
2063 let guest_connection_ids = session
2064 .db()
2065 .await
2066 .remove_repository(&request, session.connection_id)
2067 .await?;
2068
2069 broadcast(
2070 Some(session.connection_id),
2071 guest_connection_ids.iter().copied(),
2072 |connection_id| {
2073 session
2074 .peer
2075 .forward_send(session.connection_id, connection_id, request.clone())
2076 },
2077 );
2078 response.send(proto::Ack {})?;
2079 Ok(())
2080}
2081
2082/// Updates other participants with changes to the diagnostics
2083async fn update_diagnostic_summary(
2084 message: proto::UpdateDiagnosticSummary,
2085 session: Session,
2086) -> Result<()> {
2087 let guest_connection_ids = session
2088 .db()
2089 .await
2090 .update_diagnostic_summary(&message, session.connection_id)
2091 .await?;
2092
2093 broadcast(
2094 Some(session.connection_id),
2095 guest_connection_ids.iter().copied(),
2096 |connection_id| {
2097 session
2098 .peer
2099 .forward_send(session.connection_id, connection_id, message.clone())
2100 },
2101 );
2102
2103 Ok(())
2104}
2105
2106/// Updates other participants with changes to the worktree settings
2107async fn update_worktree_settings(
2108 message: proto::UpdateWorktreeSettings,
2109 session: Session,
2110) -> Result<()> {
2111 let guest_connection_ids = session
2112 .db()
2113 .await
2114 .update_worktree_settings(&message, session.connection_id)
2115 .await?;
2116
2117 broadcast(
2118 Some(session.connection_id),
2119 guest_connection_ids.iter().copied(),
2120 |connection_id| {
2121 session
2122 .peer
2123 .forward_send(session.connection_id, connection_id, message.clone())
2124 },
2125 );
2126
2127 Ok(())
2128}
2129
2130/// Notify other participants that a language server has started.
2131async fn start_language_server(
2132 request: proto::StartLanguageServer,
2133 session: Session,
2134) -> Result<()> {
2135 let guest_connection_ids = session
2136 .db()
2137 .await
2138 .start_language_server(&request, session.connection_id)
2139 .await?;
2140
2141 broadcast(
2142 Some(session.connection_id),
2143 guest_connection_ids.iter().copied(),
2144 |connection_id| {
2145 session
2146 .peer
2147 .forward_send(session.connection_id, connection_id, request.clone())
2148 },
2149 );
2150 Ok(())
2151}
2152
2153/// Notify other participants that a language server has changed.
2154async fn update_language_server(
2155 request: proto::UpdateLanguageServer,
2156 session: Session,
2157) -> Result<()> {
2158 let project_id = ProjectId::from_proto(request.project_id);
2159 let project_connection_ids = session
2160 .db()
2161 .await
2162 .project_connection_ids(project_id, session.connection_id, true)
2163 .await?;
2164 broadcast(
2165 Some(session.connection_id),
2166 project_connection_ids.iter().copied(),
2167 |connection_id| {
2168 session
2169 .peer
2170 .forward_send(session.connection_id, connection_id, request.clone())
2171 },
2172 );
2173 Ok(())
2174}
2175
2176/// forward a project request to the host. These requests should be read only
2177/// as guests are allowed to send them.
2178async fn forward_read_only_project_request<T>(
2179 request: T,
2180 response: Response<T>,
2181 session: Session,
2182) -> Result<()>
2183where
2184 T: EntityMessage + RequestMessage,
2185{
2186 let project_id = ProjectId::from_proto(request.remote_entity_id());
2187 let host_connection_id = session
2188 .db()
2189 .await
2190 .host_for_read_only_project_request(project_id, session.connection_id)
2191 .await?;
2192 let payload = session
2193 .peer
2194 .forward_request(session.connection_id, host_connection_id, request)
2195 .await?;
2196 response.send(payload)?;
2197 Ok(())
2198}
2199
2200async fn forward_find_search_candidates_request(
2201 request: proto::FindSearchCandidates,
2202 response: Response<proto::FindSearchCandidates>,
2203 session: Session,
2204) -> Result<()> {
2205 let project_id = ProjectId::from_proto(request.remote_entity_id());
2206 let host_connection_id = session
2207 .db()
2208 .await
2209 .host_for_read_only_project_request(project_id, session.connection_id)
2210 .await?;
2211 let payload = session
2212 .peer
2213 .forward_request(session.connection_id, host_connection_id, request)
2214 .await?;
2215 response.send(payload)?;
2216 Ok(())
2217}
2218
2219/// forward a project request to the host. These requests are disallowed
2220/// for guests.
2221async fn forward_mutating_project_request<T>(
2222 request: T,
2223 response: Response<T>,
2224 session: Session,
2225) -> Result<()>
2226where
2227 T: EntityMessage + RequestMessage,
2228{
2229 let project_id = ProjectId::from_proto(request.remote_entity_id());
2230
2231 let host_connection_id = session
2232 .db()
2233 .await
2234 .host_for_mutating_project_request(project_id, session.connection_id)
2235 .await?;
2236 let payload = session
2237 .peer
2238 .forward_request(session.connection_id, host_connection_id, request)
2239 .await?;
2240 response.send(payload)?;
2241 Ok(())
2242}
2243
2244/// Notify other participants that a new buffer has been created
2245async fn create_buffer_for_peer(
2246 request: proto::CreateBufferForPeer,
2247 session: Session,
2248) -> Result<()> {
2249 session
2250 .db()
2251 .await
2252 .check_user_is_project_host(
2253 ProjectId::from_proto(request.project_id),
2254 session.connection_id,
2255 )
2256 .await?;
2257 let peer_id = request.peer_id.ok_or_else(|| anyhow!("invalid peer id"))?;
2258 session
2259 .peer
2260 .forward_send(session.connection_id, peer_id.into(), request)?;
2261 Ok(())
2262}
2263
2264/// Notify other participants that a buffer has been updated. This is
2265/// allowed for guests as long as the update is limited to selections.
2266async fn update_buffer(
2267 request: proto::UpdateBuffer,
2268 response: Response<proto::UpdateBuffer>,
2269 session: Session,
2270) -> Result<()> {
2271 let project_id = ProjectId::from_proto(request.project_id);
2272 let mut capability = Capability::ReadOnly;
2273
2274 for op in request.operations.iter() {
2275 match op.variant {
2276 None | Some(proto::operation::Variant::UpdateSelections(_)) => {}
2277 Some(_) => capability = Capability::ReadWrite,
2278 }
2279 }
2280
2281 let host = {
2282 let guard = session
2283 .db()
2284 .await
2285 .connections_for_buffer_update(project_id, session.connection_id, capability)
2286 .await?;
2287
2288 let (host, guests) = &*guard;
2289
2290 broadcast(
2291 Some(session.connection_id),
2292 guests.clone(),
2293 |connection_id| {
2294 session
2295 .peer
2296 .forward_send(session.connection_id, connection_id, request.clone())
2297 },
2298 );
2299
2300 *host
2301 };
2302
2303 if host != session.connection_id {
2304 session
2305 .peer
2306 .forward_request(session.connection_id, host, request.clone())
2307 .await?;
2308 }
2309
2310 response.send(proto::Ack {})?;
2311 Ok(())
2312}
2313
2314async fn update_context(message: proto::UpdateContext, session: Session) -> Result<()> {
2315 let project_id = ProjectId::from_proto(message.project_id);
2316
2317 let operation = message.operation.as_ref().context("invalid operation")?;
2318 let capability = match operation.variant.as_ref() {
2319 Some(proto::context_operation::Variant::BufferOperation(buffer_op)) => {
2320 if let Some(buffer_op) = buffer_op.operation.as_ref() {
2321 match buffer_op.variant {
2322 None | Some(proto::operation::Variant::UpdateSelections(_)) => {
2323 Capability::ReadOnly
2324 }
2325 _ => Capability::ReadWrite,
2326 }
2327 } else {
2328 Capability::ReadWrite
2329 }
2330 }
2331 Some(_) => Capability::ReadWrite,
2332 None => Capability::ReadOnly,
2333 };
2334
2335 let guard = session
2336 .db()
2337 .await
2338 .connections_for_buffer_update(project_id, session.connection_id, capability)
2339 .await?;
2340
2341 let (host, guests) = &*guard;
2342
2343 broadcast(
2344 Some(session.connection_id),
2345 guests.iter().chain([host]).copied(),
2346 |connection_id| {
2347 session
2348 .peer
2349 .forward_send(session.connection_id, connection_id, message.clone())
2350 },
2351 );
2352
2353 Ok(())
2354}
2355
2356/// Notify other participants that a project has been updated.
2357async fn broadcast_project_message_from_host<T: EntityMessage<Entity = ShareProject>>(
2358 request: T,
2359 session: Session,
2360) -> Result<()> {
2361 let project_id = ProjectId::from_proto(request.remote_entity_id());
2362 let project_connection_ids = session
2363 .db()
2364 .await
2365 .project_connection_ids(project_id, session.connection_id, false)
2366 .await?;
2367
2368 broadcast(
2369 Some(session.connection_id),
2370 project_connection_ids.iter().copied(),
2371 |connection_id| {
2372 session
2373 .peer
2374 .forward_send(session.connection_id, connection_id, request.clone())
2375 },
2376 );
2377 Ok(())
2378}
2379
2380/// Start following another user in a call.
2381async fn follow(
2382 request: proto::Follow,
2383 response: Response<proto::Follow>,
2384 session: Session,
2385) -> Result<()> {
2386 let room_id = RoomId::from_proto(request.room_id);
2387 let project_id = request.project_id.map(ProjectId::from_proto);
2388 let leader_id = request
2389 .leader_id
2390 .ok_or_else(|| anyhow!("invalid leader id"))?
2391 .into();
2392 let follower_id = session.connection_id;
2393
2394 session
2395 .db()
2396 .await
2397 .check_room_participants(room_id, leader_id, session.connection_id)
2398 .await?;
2399
2400 let response_payload = session
2401 .peer
2402 .forward_request(session.connection_id, leader_id, request)
2403 .await?;
2404 response.send(response_payload)?;
2405
2406 if let Some(project_id) = project_id {
2407 let room = session
2408 .db()
2409 .await
2410 .follow(room_id, project_id, leader_id, follower_id)
2411 .await?;
2412 room_updated(&room, &session.peer);
2413 }
2414
2415 Ok(())
2416}
2417
2418/// Stop following another user in a call.
2419async fn unfollow(request: proto::Unfollow, session: Session) -> Result<()> {
2420 let room_id = RoomId::from_proto(request.room_id);
2421 let project_id = request.project_id.map(ProjectId::from_proto);
2422 let leader_id = request
2423 .leader_id
2424 .ok_or_else(|| anyhow!("invalid leader id"))?
2425 .into();
2426 let follower_id = session.connection_id;
2427
2428 session
2429 .db()
2430 .await
2431 .check_room_participants(room_id, leader_id, session.connection_id)
2432 .await?;
2433
2434 session
2435 .peer
2436 .forward_send(session.connection_id, leader_id, request)?;
2437
2438 if let Some(project_id) = project_id {
2439 let room = session
2440 .db()
2441 .await
2442 .unfollow(room_id, project_id, leader_id, follower_id)
2443 .await?;
2444 room_updated(&room, &session.peer);
2445 }
2446
2447 Ok(())
2448}
2449
2450/// Notify everyone following you of your current location.
2451async fn update_followers(request: proto::UpdateFollowers, session: Session) -> Result<()> {
2452 let room_id = RoomId::from_proto(request.room_id);
2453 let database = session.db.lock().await;
2454
2455 let connection_ids = if let Some(project_id) = request.project_id {
2456 let project_id = ProjectId::from_proto(project_id);
2457 database
2458 .project_connection_ids(project_id, session.connection_id, true)
2459 .await?
2460 } else {
2461 database
2462 .room_connection_ids(room_id, session.connection_id)
2463 .await?
2464 };
2465
2466 // For now, don't send view update messages back to that view's current leader.
2467 let peer_id_to_omit = request.variant.as_ref().and_then(|variant| match variant {
2468 proto::update_followers::Variant::UpdateView(payload) => payload.leader_id,
2469 _ => None,
2470 });
2471
2472 for connection_id in connection_ids.iter().cloned() {
2473 if Some(connection_id.into()) != peer_id_to_omit && connection_id != session.connection_id {
2474 session
2475 .peer
2476 .forward_send(session.connection_id, connection_id, request.clone())?;
2477 }
2478 }
2479 Ok(())
2480}
2481
2482/// Get public data about users.
2483async fn get_users(
2484 request: proto::GetUsers,
2485 response: Response<proto::GetUsers>,
2486 session: Session,
2487) -> Result<()> {
2488 let user_ids = request
2489 .user_ids
2490 .into_iter()
2491 .map(UserId::from_proto)
2492 .collect();
2493 let users = session
2494 .db()
2495 .await
2496 .get_users_by_ids(user_ids)
2497 .await?
2498 .into_iter()
2499 .map(|user| proto::User {
2500 id: user.id.to_proto(),
2501 avatar_url: format!("https://github.com/{}.png?size=128", user.github_login),
2502 github_login: user.github_login,
2503 email: user.email_address,
2504 name: user.name,
2505 })
2506 .collect();
2507 response.send(proto::UsersResponse { users })?;
2508 Ok(())
2509}
2510
2511/// Search for users (to invite) buy Github login
2512async fn fuzzy_search_users(
2513 request: proto::FuzzySearchUsers,
2514 response: Response<proto::FuzzySearchUsers>,
2515 session: Session,
2516) -> Result<()> {
2517 let query = request.query;
2518 let users = match query.len() {
2519 0 => vec![],
2520 1 | 2 => session
2521 .db()
2522 .await
2523 .get_user_by_github_login(&query)
2524 .await?
2525 .into_iter()
2526 .collect(),
2527 _ => session.db().await.fuzzy_search_users(&query, 10).await?,
2528 };
2529 let users = users
2530 .into_iter()
2531 .filter(|user| user.id != session.user_id())
2532 .map(|user| proto::User {
2533 id: user.id.to_proto(),
2534 avatar_url: format!("https://github.com/{}.png?size=128", user.github_login),
2535 github_login: user.github_login,
2536 name: user.name,
2537 email: user.email_address,
2538 })
2539 .collect();
2540 response.send(proto::UsersResponse { users })?;
2541 Ok(())
2542}
2543
2544/// Send a contact request to another user.
2545async fn request_contact(
2546 request: proto::RequestContact,
2547 response: Response<proto::RequestContact>,
2548 session: Session,
2549) -> Result<()> {
2550 let requester_id = session.user_id();
2551 let responder_id = UserId::from_proto(request.responder_id);
2552 if requester_id == responder_id {
2553 return Err(anyhow!("cannot add yourself as a contact"))?;
2554 }
2555
2556 let notifications = session
2557 .db()
2558 .await
2559 .send_contact_request(requester_id, responder_id)
2560 .await?;
2561
2562 // Update outgoing contact requests of requester
2563 let mut update = proto::UpdateContacts::default();
2564 update.outgoing_requests.push(responder_id.to_proto());
2565 for connection_id in session
2566 .connection_pool()
2567 .await
2568 .user_connection_ids(requester_id)
2569 {
2570 session.peer.send(connection_id, update.clone())?;
2571 }
2572
2573 // Update incoming contact requests of responder
2574 let mut update = proto::UpdateContacts::default();
2575 update
2576 .incoming_requests
2577 .push(proto::IncomingContactRequest {
2578 requester_id: requester_id.to_proto(),
2579 });
2580 let connection_pool = session.connection_pool().await;
2581 for connection_id in connection_pool.user_connection_ids(responder_id) {
2582 session.peer.send(connection_id, update.clone())?;
2583 }
2584
2585 send_notifications(&connection_pool, &session.peer, notifications);
2586
2587 response.send(proto::Ack {})?;
2588 Ok(())
2589}
2590
2591/// Accept or decline a contact request
2592async fn respond_to_contact_request(
2593 request: proto::RespondToContactRequest,
2594 response: Response<proto::RespondToContactRequest>,
2595 session: Session,
2596) -> Result<()> {
2597 let responder_id = session.user_id();
2598 let requester_id = UserId::from_proto(request.requester_id);
2599 let db = session.db().await;
2600 if request.response == proto::ContactRequestResponse::Dismiss as i32 {
2601 db.dismiss_contact_notification(responder_id, requester_id)
2602 .await?;
2603 } else {
2604 let accept = request.response == proto::ContactRequestResponse::Accept as i32;
2605
2606 let notifications = db
2607 .respond_to_contact_request(responder_id, requester_id, accept)
2608 .await?;
2609 let requester_busy = db.is_user_busy(requester_id).await?;
2610 let responder_busy = db.is_user_busy(responder_id).await?;
2611
2612 let pool = session.connection_pool().await;
2613 // Update responder with new contact
2614 let mut update = proto::UpdateContacts::default();
2615 if accept {
2616 update
2617 .contacts
2618 .push(contact_for_user(requester_id, requester_busy, &pool));
2619 }
2620 update
2621 .remove_incoming_requests
2622 .push(requester_id.to_proto());
2623 for connection_id in pool.user_connection_ids(responder_id) {
2624 session.peer.send(connection_id, update.clone())?;
2625 }
2626
2627 // Update requester with new contact
2628 let mut update = proto::UpdateContacts::default();
2629 if accept {
2630 update
2631 .contacts
2632 .push(contact_for_user(responder_id, responder_busy, &pool));
2633 }
2634 update
2635 .remove_outgoing_requests
2636 .push(responder_id.to_proto());
2637
2638 for connection_id in pool.user_connection_ids(requester_id) {
2639 session.peer.send(connection_id, update.clone())?;
2640 }
2641
2642 send_notifications(&pool, &session.peer, notifications);
2643 }
2644
2645 response.send(proto::Ack {})?;
2646 Ok(())
2647}
2648
2649/// Remove a contact.
2650async fn remove_contact(
2651 request: proto::RemoveContact,
2652 response: Response<proto::RemoveContact>,
2653 session: Session,
2654) -> Result<()> {
2655 let requester_id = session.user_id();
2656 let responder_id = UserId::from_proto(request.user_id);
2657 let db = session.db().await;
2658 let (contact_accepted, deleted_notification_id) =
2659 db.remove_contact(requester_id, responder_id).await?;
2660
2661 let pool = session.connection_pool().await;
2662 // Update outgoing contact requests of requester
2663 let mut update = proto::UpdateContacts::default();
2664 if contact_accepted {
2665 update.remove_contacts.push(responder_id.to_proto());
2666 } else {
2667 update
2668 .remove_outgoing_requests
2669 .push(responder_id.to_proto());
2670 }
2671 for connection_id in pool.user_connection_ids(requester_id) {
2672 session.peer.send(connection_id, update.clone())?;
2673 }
2674
2675 // Update incoming contact requests of responder
2676 let mut update = proto::UpdateContacts::default();
2677 if contact_accepted {
2678 update.remove_contacts.push(requester_id.to_proto());
2679 } else {
2680 update
2681 .remove_incoming_requests
2682 .push(requester_id.to_proto());
2683 }
2684 for connection_id in pool.user_connection_ids(responder_id) {
2685 session.peer.send(connection_id, update.clone())?;
2686 if let Some(notification_id) = deleted_notification_id {
2687 session.peer.send(
2688 connection_id,
2689 proto::DeleteNotification {
2690 notification_id: notification_id.to_proto(),
2691 },
2692 )?;
2693 }
2694 }
2695
2696 response.send(proto::Ack {})?;
2697 Ok(())
2698}
2699
2700fn should_auto_subscribe_to_channels(version: ZedVersion) -> bool {
2701 version.0.minor() < 139
2702}
2703
2704async fn update_user_plan(_user_id: UserId, session: &Session) -> Result<()> {
2705 let plan = session.current_plan(&session.db().await).await?;
2706
2707 session
2708 .peer
2709 .send(
2710 session.connection_id,
2711 proto::UpdateUserPlan { plan: plan.into() },
2712 )
2713 .trace_err();
2714
2715 Ok(())
2716}
2717
2718async fn subscribe_to_channels(_: proto::SubscribeToChannels, session: Session) -> Result<()> {
2719 subscribe_user_to_channels(session.user_id(), &session).await?;
2720 Ok(())
2721}
2722
2723async fn subscribe_user_to_channels(user_id: UserId, session: &Session) -> Result<(), Error> {
2724 let channels_for_user = session.db().await.get_channels_for_user(user_id).await?;
2725 let mut pool = session.connection_pool().await;
2726 for membership in &channels_for_user.channel_memberships {
2727 pool.subscribe_to_channel(user_id, membership.channel_id, membership.role)
2728 }
2729 session.peer.send(
2730 session.connection_id,
2731 build_update_user_channels(&channels_for_user),
2732 )?;
2733 session.peer.send(
2734 session.connection_id,
2735 build_channels_update(channels_for_user),
2736 )?;
2737 Ok(())
2738}
2739
2740/// Creates a new channel.
2741async fn create_channel(
2742 request: proto::CreateChannel,
2743 response: Response<proto::CreateChannel>,
2744 session: Session,
2745) -> Result<()> {
2746 let db = session.db().await;
2747
2748 let parent_id = request.parent_id.map(ChannelId::from_proto);
2749 let (channel, membership) = db
2750 .create_channel(&request.name, parent_id, session.user_id())
2751 .await?;
2752
2753 let root_id = channel.root_id();
2754 let channel = Channel::from_model(channel);
2755
2756 response.send(proto::CreateChannelResponse {
2757 channel: Some(channel.to_proto()),
2758 parent_id: request.parent_id,
2759 })?;
2760
2761 let mut connection_pool = session.connection_pool().await;
2762 if let Some(membership) = membership {
2763 connection_pool.subscribe_to_channel(
2764 membership.user_id,
2765 membership.channel_id,
2766 membership.role,
2767 );
2768 let update = proto::UpdateUserChannels {
2769 channel_memberships: vec![proto::ChannelMembership {
2770 channel_id: membership.channel_id.to_proto(),
2771 role: membership.role.into(),
2772 }],
2773 ..Default::default()
2774 };
2775 for connection_id in connection_pool.user_connection_ids(membership.user_id) {
2776 session.peer.send(connection_id, update.clone())?;
2777 }
2778 }
2779
2780 for (connection_id, role) in connection_pool.channel_connection_ids(root_id) {
2781 if !role.can_see_channel(channel.visibility) {
2782 continue;
2783 }
2784
2785 let update = proto::UpdateChannels {
2786 channels: vec![channel.to_proto()],
2787 ..Default::default()
2788 };
2789 session.peer.send(connection_id, update.clone())?;
2790 }
2791
2792 Ok(())
2793}
2794
2795/// Delete a channel
2796async fn delete_channel(
2797 request: proto::DeleteChannel,
2798 response: Response<proto::DeleteChannel>,
2799 session: Session,
2800) -> Result<()> {
2801 let db = session.db().await;
2802
2803 let channel_id = request.channel_id;
2804 let (root_channel, removed_channels) = db
2805 .delete_channel(ChannelId::from_proto(channel_id), session.user_id())
2806 .await?;
2807 response.send(proto::Ack {})?;
2808
2809 // Notify members of removed channels
2810 let mut update = proto::UpdateChannels::default();
2811 update
2812 .delete_channels
2813 .extend(removed_channels.into_iter().map(|id| id.to_proto()));
2814
2815 let connection_pool = session.connection_pool().await;
2816 for (connection_id, _) in connection_pool.channel_connection_ids(root_channel) {
2817 session.peer.send(connection_id, update.clone())?;
2818 }
2819
2820 Ok(())
2821}
2822
2823/// Invite someone to join a channel.
2824async fn invite_channel_member(
2825 request: proto::InviteChannelMember,
2826 response: Response<proto::InviteChannelMember>,
2827 session: Session,
2828) -> Result<()> {
2829 let db = session.db().await;
2830 let channel_id = ChannelId::from_proto(request.channel_id);
2831 let invitee_id = UserId::from_proto(request.user_id);
2832 let InviteMemberResult {
2833 channel,
2834 notifications,
2835 } = db
2836 .invite_channel_member(
2837 channel_id,
2838 invitee_id,
2839 session.user_id(),
2840 request.role().into(),
2841 )
2842 .await?;
2843
2844 let update = proto::UpdateChannels {
2845 channel_invitations: vec![channel.to_proto()],
2846 ..Default::default()
2847 };
2848
2849 let connection_pool = session.connection_pool().await;
2850 for connection_id in connection_pool.user_connection_ids(invitee_id) {
2851 session.peer.send(connection_id, update.clone())?;
2852 }
2853
2854 send_notifications(&connection_pool, &session.peer, notifications);
2855
2856 response.send(proto::Ack {})?;
2857 Ok(())
2858}
2859
2860/// remove someone from a channel
2861async fn remove_channel_member(
2862 request: proto::RemoveChannelMember,
2863 response: Response<proto::RemoveChannelMember>,
2864 session: Session,
2865) -> Result<()> {
2866 let db = session.db().await;
2867 let channel_id = ChannelId::from_proto(request.channel_id);
2868 let member_id = UserId::from_proto(request.user_id);
2869
2870 let RemoveChannelMemberResult {
2871 membership_update,
2872 notification_id,
2873 } = db
2874 .remove_channel_member(channel_id, member_id, session.user_id())
2875 .await?;
2876
2877 let mut connection_pool = session.connection_pool().await;
2878 notify_membership_updated(
2879 &mut connection_pool,
2880 membership_update,
2881 member_id,
2882 &session.peer,
2883 );
2884 for connection_id in connection_pool.user_connection_ids(member_id) {
2885 if let Some(notification_id) = notification_id {
2886 session
2887 .peer
2888 .send(
2889 connection_id,
2890 proto::DeleteNotification {
2891 notification_id: notification_id.to_proto(),
2892 },
2893 )
2894 .trace_err();
2895 }
2896 }
2897
2898 response.send(proto::Ack {})?;
2899 Ok(())
2900}
2901
2902/// Toggle the channel between public and private.
2903/// Care is taken to maintain the invariant that public channels only descend from public channels,
2904/// (though members-only channels can appear at any point in the hierarchy).
2905async fn set_channel_visibility(
2906 request: proto::SetChannelVisibility,
2907 response: Response<proto::SetChannelVisibility>,
2908 session: Session,
2909) -> Result<()> {
2910 let db = session.db().await;
2911 let channel_id = ChannelId::from_proto(request.channel_id);
2912 let visibility = request.visibility().into();
2913
2914 let channel_model = db
2915 .set_channel_visibility(channel_id, visibility, session.user_id())
2916 .await?;
2917 let root_id = channel_model.root_id();
2918 let channel = Channel::from_model(channel_model);
2919
2920 let mut connection_pool = session.connection_pool().await;
2921 for (user_id, role) in connection_pool
2922 .channel_user_ids(root_id)
2923 .collect::<Vec<_>>()
2924 .into_iter()
2925 {
2926 let update = if role.can_see_channel(channel.visibility) {
2927 connection_pool.subscribe_to_channel(user_id, channel_id, role);
2928 proto::UpdateChannels {
2929 channels: vec![channel.to_proto()],
2930 ..Default::default()
2931 }
2932 } else {
2933 connection_pool.unsubscribe_from_channel(&user_id, &channel_id);
2934 proto::UpdateChannels {
2935 delete_channels: vec![channel.id.to_proto()],
2936 ..Default::default()
2937 }
2938 };
2939
2940 for connection_id in connection_pool.user_connection_ids(user_id) {
2941 session.peer.send(connection_id, update.clone())?;
2942 }
2943 }
2944
2945 response.send(proto::Ack {})?;
2946 Ok(())
2947}
2948
2949/// Alter the role for a user in the channel.
2950async fn set_channel_member_role(
2951 request: proto::SetChannelMemberRole,
2952 response: Response<proto::SetChannelMemberRole>,
2953 session: Session,
2954) -> Result<()> {
2955 let db = session.db().await;
2956 let channel_id = ChannelId::from_proto(request.channel_id);
2957 let member_id = UserId::from_proto(request.user_id);
2958 let result = db
2959 .set_channel_member_role(
2960 channel_id,
2961 session.user_id(),
2962 member_id,
2963 request.role().into(),
2964 )
2965 .await?;
2966
2967 match result {
2968 db::SetMemberRoleResult::MembershipUpdated(membership_update) => {
2969 let mut connection_pool = session.connection_pool().await;
2970 notify_membership_updated(
2971 &mut connection_pool,
2972 membership_update,
2973 member_id,
2974 &session.peer,
2975 )
2976 }
2977 db::SetMemberRoleResult::InviteUpdated(channel) => {
2978 let update = proto::UpdateChannels {
2979 channel_invitations: vec![channel.to_proto()],
2980 ..Default::default()
2981 };
2982
2983 for connection_id in session
2984 .connection_pool()
2985 .await
2986 .user_connection_ids(member_id)
2987 {
2988 session.peer.send(connection_id, update.clone())?;
2989 }
2990 }
2991 }
2992
2993 response.send(proto::Ack {})?;
2994 Ok(())
2995}
2996
2997/// Change the name of a channel
2998async fn rename_channel(
2999 request: proto::RenameChannel,
3000 response: Response<proto::RenameChannel>,
3001 session: Session,
3002) -> Result<()> {
3003 let db = session.db().await;
3004 let channel_id = ChannelId::from_proto(request.channel_id);
3005 let channel_model = db
3006 .rename_channel(channel_id, session.user_id(), &request.name)
3007 .await?;
3008 let root_id = channel_model.root_id();
3009 let channel = Channel::from_model(channel_model);
3010
3011 response.send(proto::RenameChannelResponse {
3012 channel: Some(channel.to_proto()),
3013 })?;
3014
3015 let connection_pool = session.connection_pool().await;
3016 let update = proto::UpdateChannels {
3017 channels: vec![channel.to_proto()],
3018 ..Default::default()
3019 };
3020 for (connection_id, role) in connection_pool.channel_connection_ids(root_id) {
3021 if role.can_see_channel(channel.visibility) {
3022 session.peer.send(connection_id, update.clone())?;
3023 }
3024 }
3025
3026 Ok(())
3027}
3028
3029/// Move a channel to a new parent.
3030async fn move_channel(
3031 request: proto::MoveChannel,
3032 response: Response<proto::MoveChannel>,
3033 session: Session,
3034) -> Result<()> {
3035 let channel_id = ChannelId::from_proto(request.channel_id);
3036 let to = ChannelId::from_proto(request.to);
3037
3038 let (root_id, channels) = session
3039 .db()
3040 .await
3041 .move_channel(channel_id, to, session.user_id())
3042 .await?;
3043
3044 let connection_pool = session.connection_pool().await;
3045 for (connection_id, role) in connection_pool.channel_connection_ids(root_id) {
3046 let channels = channels
3047 .iter()
3048 .filter_map(|channel| {
3049 if role.can_see_channel(channel.visibility) {
3050 Some(channel.to_proto())
3051 } else {
3052 None
3053 }
3054 })
3055 .collect::<Vec<_>>();
3056 if channels.is_empty() {
3057 continue;
3058 }
3059
3060 let update = proto::UpdateChannels {
3061 channels,
3062 ..Default::default()
3063 };
3064
3065 session.peer.send(connection_id, update.clone())?;
3066 }
3067
3068 response.send(Ack {})?;
3069 Ok(())
3070}
3071
3072/// Get the list of channel members
3073async fn get_channel_members(
3074 request: proto::GetChannelMembers,
3075 response: Response<proto::GetChannelMembers>,
3076 session: Session,
3077) -> Result<()> {
3078 let db = session.db().await;
3079 let channel_id = ChannelId::from_proto(request.channel_id);
3080 let limit = if request.limit == 0 {
3081 u16::MAX as u64
3082 } else {
3083 request.limit
3084 };
3085 let (members, users) = db
3086 .get_channel_participant_details(channel_id, &request.query, limit, session.user_id())
3087 .await?;
3088 response.send(proto::GetChannelMembersResponse { members, users })?;
3089 Ok(())
3090}
3091
3092/// Accept or decline a channel invitation.
3093async fn respond_to_channel_invite(
3094 request: proto::RespondToChannelInvite,
3095 response: Response<proto::RespondToChannelInvite>,
3096 session: Session,
3097) -> Result<()> {
3098 let db = session.db().await;
3099 let channel_id = ChannelId::from_proto(request.channel_id);
3100 let RespondToChannelInvite {
3101 membership_update,
3102 notifications,
3103 } = db
3104 .respond_to_channel_invite(channel_id, session.user_id(), request.accept)
3105 .await?;
3106
3107 let mut connection_pool = session.connection_pool().await;
3108 if let Some(membership_update) = membership_update {
3109 notify_membership_updated(
3110 &mut connection_pool,
3111 membership_update,
3112 session.user_id(),
3113 &session.peer,
3114 );
3115 } else {
3116 let update = proto::UpdateChannels {
3117 remove_channel_invitations: vec![channel_id.to_proto()],
3118 ..Default::default()
3119 };
3120
3121 for connection_id in connection_pool.user_connection_ids(session.user_id()) {
3122 session.peer.send(connection_id, update.clone())?;
3123 }
3124 };
3125
3126 send_notifications(&connection_pool, &session.peer, notifications);
3127
3128 response.send(proto::Ack {})?;
3129
3130 Ok(())
3131}
3132
3133/// Join the channels' room
3134async fn join_channel(
3135 request: proto::JoinChannel,
3136 response: Response<proto::JoinChannel>,
3137 session: Session,
3138) -> Result<()> {
3139 let channel_id = ChannelId::from_proto(request.channel_id);
3140 join_channel_internal(channel_id, Box::new(response), session).await
3141}
3142
3143trait JoinChannelInternalResponse {
3144 fn send(self, result: proto::JoinRoomResponse) -> Result<()>;
3145}
3146impl JoinChannelInternalResponse for Response<proto::JoinChannel> {
3147 fn send(self, result: proto::JoinRoomResponse) -> Result<()> {
3148 Response::<proto::JoinChannel>::send(self, result)
3149 }
3150}
3151impl JoinChannelInternalResponse for Response<proto::JoinRoom> {
3152 fn send(self, result: proto::JoinRoomResponse) -> Result<()> {
3153 Response::<proto::JoinRoom>::send(self, result)
3154 }
3155}
3156
3157async fn join_channel_internal(
3158 channel_id: ChannelId,
3159 response: Box<impl JoinChannelInternalResponse>,
3160 session: Session,
3161) -> Result<()> {
3162 let joined_room = {
3163 let mut db = session.db().await;
3164 // If zed quits without leaving the room, and the user re-opens zed before the
3165 // RECONNECT_TIMEOUT, we need to make sure that we kick the user out of the previous
3166 // room they were in.
3167 if let Some(connection) = db.stale_room_connection(session.user_id()).await? {
3168 tracing::info!(
3169 stale_connection_id = %connection,
3170 "cleaning up stale connection",
3171 );
3172 drop(db);
3173 leave_room_for_session(&session, connection).await?;
3174 db = session.db().await;
3175 }
3176
3177 let (joined_room, membership_updated, role) = db
3178 .join_channel(channel_id, session.user_id(), session.connection_id)
3179 .await?;
3180
3181 let live_kit_connection_info =
3182 session
3183 .app_state
3184 .livekit_client
3185 .as_ref()
3186 .and_then(|live_kit| {
3187 let (can_publish, token) = if role == ChannelRole::Guest {
3188 (
3189 false,
3190 live_kit
3191 .guest_token(
3192 &joined_room.room.livekit_room,
3193 &session.user_id().to_string(),
3194 )
3195 .trace_err()?,
3196 )
3197 } else {
3198 (
3199 true,
3200 live_kit
3201 .room_token(
3202 &joined_room.room.livekit_room,
3203 &session.user_id().to_string(),
3204 )
3205 .trace_err()?,
3206 )
3207 };
3208
3209 Some(LiveKitConnectionInfo {
3210 server_url: live_kit.url().into(),
3211 token,
3212 can_publish,
3213 })
3214 });
3215
3216 response.send(proto::JoinRoomResponse {
3217 room: Some(joined_room.room.clone()),
3218 channel_id: joined_room
3219 .channel
3220 .as_ref()
3221 .map(|channel| channel.id.to_proto()),
3222 live_kit_connection_info,
3223 })?;
3224
3225 let mut connection_pool = session.connection_pool().await;
3226 if let Some(membership_updated) = membership_updated {
3227 notify_membership_updated(
3228 &mut connection_pool,
3229 membership_updated,
3230 session.user_id(),
3231 &session.peer,
3232 );
3233 }
3234
3235 room_updated(&joined_room.room, &session.peer);
3236
3237 joined_room
3238 };
3239
3240 channel_updated(
3241 &joined_room
3242 .channel
3243 .ok_or_else(|| anyhow!("channel not returned"))?,
3244 &joined_room.room,
3245 &session.peer,
3246 &*session.connection_pool().await,
3247 );
3248
3249 update_user_contacts(session.user_id(), &session).await?;
3250 Ok(())
3251}
3252
3253/// Start editing the channel notes
3254async fn join_channel_buffer(
3255 request: proto::JoinChannelBuffer,
3256 response: Response<proto::JoinChannelBuffer>,
3257 session: Session,
3258) -> Result<()> {
3259 let db = session.db().await;
3260 let channel_id = ChannelId::from_proto(request.channel_id);
3261
3262 let open_response = db
3263 .join_channel_buffer(channel_id, session.user_id(), session.connection_id)
3264 .await?;
3265
3266 let collaborators = open_response.collaborators.clone();
3267 response.send(open_response)?;
3268
3269 let update = UpdateChannelBufferCollaborators {
3270 channel_id: channel_id.to_proto(),
3271 collaborators: collaborators.clone(),
3272 };
3273 channel_buffer_updated(
3274 session.connection_id,
3275 collaborators
3276 .iter()
3277 .filter_map(|collaborator| Some(collaborator.peer_id?.into())),
3278 &update,
3279 &session.peer,
3280 );
3281
3282 Ok(())
3283}
3284
3285/// Edit the channel notes
3286async fn update_channel_buffer(
3287 request: proto::UpdateChannelBuffer,
3288 session: Session,
3289) -> Result<()> {
3290 let db = session.db().await;
3291 let channel_id = ChannelId::from_proto(request.channel_id);
3292
3293 let (collaborators, epoch, version) = db
3294 .update_channel_buffer(channel_id, session.user_id(), &request.operations)
3295 .await?;
3296
3297 channel_buffer_updated(
3298 session.connection_id,
3299 collaborators.clone(),
3300 &proto::UpdateChannelBuffer {
3301 channel_id: channel_id.to_proto(),
3302 operations: request.operations,
3303 },
3304 &session.peer,
3305 );
3306
3307 let pool = &*session.connection_pool().await;
3308
3309 let non_collaborators =
3310 pool.channel_connection_ids(channel_id)
3311 .filter_map(|(connection_id, _)| {
3312 if collaborators.contains(&connection_id) {
3313 None
3314 } else {
3315 Some(connection_id)
3316 }
3317 });
3318
3319 broadcast(None, non_collaborators, |peer_id| {
3320 session.peer.send(
3321 peer_id,
3322 proto::UpdateChannels {
3323 latest_channel_buffer_versions: vec![proto::ChannelBufferVersion {
3324 channel_id: channel_id.to_proto(),
3325 epoch: epoch as u64,
3326 version: version.clone(),
3327 }],
3328 ..Default::default()
3329 },
3330 )
3331 });
3332
3333 Ok(())
3334}
3335
3336/// Rejoin the channel notes after a connection blip
3337async fn rejoin_channel_buffers(
3338 request: proto::RejoinChannelBuffers,
3339 response: Response<proto::RejoinChannelBuffers>,
3340 session: Session,
3341) -> Result<()> {
3342 let db = session.db().await;
3343 let buffers = db
3344 .rejoin_channel_buffers(&request.buffers, session.user_id(), session.connection_id)
3345 .await?;
3346
3347 for rejoined_buffer in &buffers {
3348 let collaborators_to_notify = rejoined_buffer
3349 .buffer
3350 .collaborators
3351 .iter()
3352 .filter_map(|c| Some(c.peer_id?.into()));
3353 channel_buffer_updated(
3354 session.connection_id,
3355 collaborators_to_notify,
3356 &proto::UpdateChannelBufferCollaborators {
3357 channel_id: rejoined_buffer.buffer.channel_id,
3358 collaborators: rejoined_buffer.buffer.collaborators.clone(),
3359 },
3360 &session.peer,
3361 );
3362 }
3363
3364 response.send(proto::RejoinChannelBuffersResponse {
3365 buffers: buffers.into_iter().map(|b| b.buffer).collect(),
3366 })?;
3367
3368 Ok(())
3369}
3370
3371/// Stop editing the channel notes
3372async fn leave_channel_buffer(
3373 request: proto::LeaveChannelBuffer,
3374 response: Response<proto::LeaveChannelBuffer>,
3375 session: Session,
3376) -> Result<()> {
3377 let db = session.db().await;
3378 let channel_id = ChannelId::from_proto(request.channel_id);
3379
3380 let left_buffer = db
3381 .leave_channel_buffer(channel_id, session.connection_id)
3382 .await?;
3383
3384 response.send(Ack {})?;
3385
3386 channel_buffer_updated(
3387 session.connection_id,
3388 left_buffer.connections,
3389 &proto::UpdateChannelBufferCollaborators {
3390 channel_id: channel_id.to_proto(),
3391 collaborators: left_buffer.collaborators,
3392 },
3393 &session.peer,
3394 );
3395
3396 Ok(())
3397}
3398
3399fn channel_buffer_updated<T: EnvelopedMessage>(
3400 sender_id: ConnectionId,
3401 collaborators: impl IntoIterator<Item = ConnectionId>,
3402 message: &T,
3403 peer: &Peer,
3404) {
3405 broadcast(Some(sender_id), collaborators, |peer_id| {
3406 peer.send(peer_id, message.clone())
3407 });
3408}
3409
3410fn send_notifications(
3411 connection_pool: &ConnectionPool,
3412 peer: &Peer,
3413 notifications: db::NotificationBatch,
3414) {
3415 for (user_id, notification) in notifications {
3416 for connection_id in connection_pool.user_connection_ids(user_id) {
3417 if let Err(error) = peer.send(
3418 connection_id,
3419 proto::AddNotification {
3420 notification: Some(notification.clone()),
3421 },
3422 ) {
3423 tracing::error!(
3424 "failed to send notification to {:?} {}",
3425 connection_id,
3426 error
3427 );
3428 }
3429 }
3430 }
3431}
3432
3433/// Send a message to the channel
3434async fn send_channel_message(
3435 request: proto::SendChannelMessage,
3436 response: Response<proto::SendChannelMessage>,
3437 session: Session,
3438) -> Result<()> {
3439 // Validate the message body.
3440 let body = request.body.trim().to_string();
3441 if body.len() > MAX_MESSAGE_LEN {
3442 return Err(anyhow!("message is too long"))?;
3443 }
3444 if body.is_empty() {
3445 return Err(anyhow!("message can't be blank"))?;
3446 }
3447
3448 // TODO: adjust mentions if body is trimmed
3449
3450 let timestamp = OffsetDateTime::now_utc();
3451 let nonce = request
3452 .nonce
3453 .ok_or_else(|| anyhow!("nonce can't be blank"))?;
3454
3455 let channel_id = ChannelId::from_proto(request.channel_id);
3456 let CreatedChannelMessage {
3457 message_id,
3458 participant_connection_ids,
3459 notifications,
3460 } = session
3461 .db()
3462 .await
3463 .create_channel_message(
3464 channel_id,
3465 session.user_id(),
3466 &body,
3467 &request.mentions,
3468 timestamp,
3469 nonce.clone().into(),
3470 request.reply_to_message_id.map(MessageId::from_proto),
3471 )
3472 .await?;
3473
3474 let message = proto::ChannelMessage {
3475 sender_id: session.user_id().to_proto(),
3476 id: message_id.to_proto(),
3477 body,
3478 mentions: request.mentions,
3479 timestamp: timestamp.unix_timestamp() as u64,
3480 nonce: Some(nonce),
3481 reply_to_message_id: request.reply_to_message_id,
3482 edited_at: None,
3483 };
3484 broadcast(
3485 Some(session.connection_id),
3486 participant_connection_ids.clone(),
3487 |connection| {
3488 session.peer.send(
3489 connection,
3490 proto::ChannelMessageSent {
3491 channel_id: channel_id.to_proto(),
3492 message: Some(message.clone()),
3493 },
3494 )
3495 },
3496 );
3497 response.send(proto::SendChannelMessageResponse {
3498 message: Some(message),
3499 })?;
3500
3501 let pool = &*session.connection_pool().await;
3502 let non_participants =
3503 pool.channel_connection_ids(channel_id)
3504 .filter_map(|(connection_id, _)| {
3505 if participant_connection_ids.contains(&connection_id) {
3506 None
3507 } else {
3508 Some(connection_id)
3509 }
3510 });
3511 broadcast(None, non_participants, |peer_id| {
3512 session.peer.send(
3513 peer_id,
3514 proto::UpdateChannels {
3515 latest_channel_message_ids: vec![proto::ChannelMessageId {
3516 channel_id: channel_id.to_proto(),
3517 message_id: message_id.to_proto(),
3518 }],
3519 ..Default::default()
3520 },
3521 )
3522 });
3523 send_notifications(pool, &session.peer, notifications);
3524
3525 Ok(())
3526}
3527
3528/// Delete a channel message
3529async fn remove_channel_message(
3530 request: proto::RemoveChannelMessage,
3531 response: Response<proto::RemoveChannelMessage>,
3532 session: Session,
3533) -> Result<()> {
3534 let channel_id = ChannelId::from_proto(request.channel_id);
3535 let message_id = MessageId::from_proto(request.message_id);
3536 let (connection_ids, existing_notification_ids) = session
3537 .db()
3538 .await
3539 .remove_channel_message(channel_id, message_id, session.user_id())
3540 .await?;
3541
3542 broadcast(
3543 Some(session.connection_id),
3544 connection_ids,
3545 move |connection| {
3546 session.peer.send(connection, request.clone())?;
3547
3548 for notification_id in &existing_notification_ids {
3549 session.peer.send(
3550 connection,
3551 proto::DeleteNotification {
3552 notification_id: (*notification_id).to_proto(),
3553 },
3554 )?;
3555 }
3556
3557 Ok(())
3558 },
3559 );
3560 response.send(proto::Ack {})?;
3561 Ok(())
3562}
3563
3564async fn update_channel_message(
3565 request: proto::UpdateChannelMessage,
3566 response: Response<proto::UpdateChannelMessage>,
3567 session: Session,
3568) -> Result<()> {
3569 let channel_id = ChannelId::from_proto(request.channel_id);
3570 let message_id = MessageId::from_proto(request.message_id);
3571 let updated_at = OffsetDateTime::now_utc();
3572 let UpdatedChannelMessage {
3573 message_id,
3574 participant_connection_ids,
3575 notifications,
3576 reply_to_message_id,
3577 timestamp,
3578 deleted_mention_notification_ids,
3579 updated_mention_notifications,
3580 } = session
3581 .db()
3582 .await
3583 .update_channel_message(
3584 channel_id,
3585 message_id,
3586 session.user_id(),
3587 request.body.as_str(),
3588 &request.mentions,
3589 updated_at,
3590 )
3591 .await?;
3592
3593 let nonce = request
3594 .nonce
3595 .clone()
3596 .ok_or_else(|| anyhow!("nonce can't be blank"))?;
3597
3598 let message = proto::ChannelMessage {
3599 sender_id: session.user_id().to_proto(),
3600 id: message_id.to_proto(),
3601 body: request.body.clone(),
3602 mentions: request.mentions.clone(),
3603 timestamp: timestamp.assume_utc().unix_timestamp() as u64,
3604 nonce: Some(nonce),
3605 reply_to_message_id: reply_to_message_id.map(|id| id.to_proto()),
3606 edited_at: Some(updated_at.unix_timestamp() as u64),
3607 };
3608
3609 response.send(proto::Ack {})?;
3610
3611 let pool = &*session.connection_pool().await;
3612 broadcast(
3613 Some(session.connection_id),
3614 participant_connection_ids,
3615 |connection| {
3616 session.peer.send(
3617 connection,
3618 proto::ChannelMessageUpdate {
3619 channel_id: channel_id.to_proto(),
3620 message: Some(message.clone()),
3621 },
3622 )?;
3623
3624 for notification_id in &deleted_mention_notification_ids {
3625 session.peer.send(
3626 connection,
3627 proto::DeleteNotification {
3628 notification_id: (*notification_id).to_proto(),
3629 },
3630 )?;
3631 }
3632
3633 for notification in &updated_mention_notifications {
3634 session.peer.send(
3635 connection,
3636 proto::UpdateNotification {
3637 notification: Some(notification.clone()),
3638 },
3639 )?;
3640 }
3641
3642 Ok(())
3643 },
3644 );
3645
3646 send_notifications(pool, &session.peer, notifications);
3647
3648 Ok(())
3649}
3650
3651/// Mark a channel message as read
3652async fn acknowledge_channel_message(
3653 request: proto::AckChannelMessage,
3654 session: Session,
3655) -> Result<()> {
3656 let channel_id = ChannelId::from_proto(request.channel_id);
3657 let message_id = MessageId::from_proto(request.message_id);
3658 let notifications = session
3659 .db()
3660 .await
3661 .observe_channel_message(channel_id, session.user_id(), message_id)
3662 .await?;
3663 send_notifications(
3664 &*session.connection_pool().await,
3665 &session.peer,
3666 notifications,
3667 );
3668 Ok(())
3669}
3670
3671/// Mark a buffer version as synced
3672async fn acknowledge_buffer_version(
3673 request: proto::AckBufferOperation,
3674 session: Session,
3675) -> Result<()> {
3676 let buffer_id = BufferId::from_proto(request.buffer_id);
3677 session
3678 .db()
3679 .await
3680 .observe_buffer_version(
3681 buffer_id,
3682 session.user_id(),
3683 request.epoch as i32,
3684 &request.version,
3685 )
3686 .await?;
3687 Ok(())
3688}
3689
3690/// Get a Supermaven API key for the user
3691async fn get_supermaven_api_key(
3692 _request: proto::GetSupermavenApiKey,
3693 response: Response<proto::GetSupermavenApiKey>,
3694 session: Session,
3695) -> Result<()> {
3696 let user_id: String = session.user_id().to_string();
3697 if !session.is_staff() {
3698 return Err(anyhow!("supermaven not enabled for this account"))?;
3699 }
3700
3701 let email = session
3702 .email()
3703 .ok_or_else(|| anyhow!("user must have an email"))?;
3704
3705 let supermaven_admin_api = session
3706 .supermaven_client
3707 .as_ref()
3708 .ok_or_else(|| anyhow!("supermaven not configured"))?;
3709
3710 let result = supermaven_admin_api
3711 .try_get_or_create_user(CreateExternalUserRequest { id: user_id, email })
3712 .await?;
3713
3714 response.send(proto::GetSupermavenApiKeyResponse {
3715 api_key: result.api_key,
3716 })?;
3717
3718 Ok(())
3719}
3720
3721/// Start receiving chat updates for a channel
3722async fn join_channel_chat(
3723 request: proto::JoinChannelChat,
3724 response: Response<proto::JoinChannelChat>,
3725 session: Session,
3726) -> Result<()> {
3727 let channel_id = ChannelId::from_proto(request.channel_id);
3728
3729 let db = session.db().await;
3730 db.join_channel_chat(channel_id, session.connection_id, session.user_id())
3731 .await?;
3732 let messages = db
3733 .get_channel_messages(channel_id, session.user_id(), MESSAGE_COUNT_PER_PAGE, None)
3734 .await?;
3735 response.send(proto::JoinChannelChatResponse {
3736 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
3737 messages,
3738 })?;
3739 Ok(())
3740}
3741
3742/// Stop receiving chat updates for a channel
3743async fn leave_channel_chat(request: proto::LeaveChannelChat, session: Session) -> Result<()> {
3744 let channel_id = ChannelId::from_proto(request.channel_id);
3745 session
3746 .db()
3747 .await
3748 .leave_channel_chat(channel_id, session.connection_id, session.user_id())
3749 .await?;
3750 Ok(())
3751}
3752
3753/// Retrieve the chat history for a channel
3754async fn get_channel_messages(
3755 request: proto::GetChannelMessages,
3756 response: Response<proto::GetChannelMessages>,
3757 session: Session,
3758) -> Result<()> {
3759 let channel_id = ChannelId::from_proto(request.channel_id);
3760 let messages = session
3761 .db()
3762 .await
3763 .get_channel_messages(
3764 channel_id,
3765 session.user_id(),
3766 MESSAGE_COUNT_PER_PAGE,
3767 Some(MessageId::from_proto(request.before_message_id)),
3768 )
3769 .await?;
3770 response.send(proto::GetChannelMessagesResponse {
3771 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
3772 messages,
3773 })?;
3774 Ok(())
3775}
3776
3777/// Retrieve specific chat messages
3778async fn get_channel_messages_by_id(
3779 request: proto::GetChannelMessagesById,
3780 response: Response<proto::GetChannelMessagesById>,
3781 session: Session,
3782) -> Result<()> {
3783 let message_ids = request
3784 .message_ids
3785 .iter()
3786 .map(|id| MessageId::from_proto(*id))
3787 .collect::<Vec<_>>();
3788 let messages = session
3789 .db()
3790 .await
3791 .get_channel_messages_by_id(session.user_id(), &message_ids)
3792 .await?;
3793 response.send(proto::GetChannelMessagesResponse {
3794 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
3795 messages,
3796 })?;
3797 Ok(())
3798}
3799
3800/// Retrieve the current users notifications
3801async fn get_notifications(
3802 request: proto::GetNotifications,
3803 response: Response<proto::GetNotifications>,
3804 session: Session,
3805) -> Result<()> {
3806 let notifications = session
3807 .db()
3808 .await
3809 .get_notifications(
3810 session.user_id(),
3811 NOTIFICATION_COUNT_PER_PAGE,
3812 request.before_id.map(db::NotificationId::from_proto),
3813 )
3814 .await?;
3815 response.send(proto::GetNotificationsResponse {
3816 done: notifications.len() < NOTIFICATION_COUNT_PER_PAGE,
3817 notifications,
3818 })?;
3819 Ok(())
3820}
3821
3822/// Mark notifications as read
3823async fn mark_notification_as_read(
3824 request: proto::MarkNotificationRead,
3825 response: Response<proto::MarkNotificationRead>,
3826 session: Session,
3827) -> Result<()> {
3828 let database = &session.db().await;
3829 let notifications = database
3830 .mark_notification_as_read_by_id(
3831 session.user_id(),
3832 NotificationId::from_proto(request.notification_id),
3833 )
3834 .await?;
3835 send_notifications(
3836 &*session.connection_pool().await,
3837 &session.peer,
3838 notifications,
3839 );
3840 response.send(proto::Ack {})?;
3841 Ok(())
3842}
3843
3844/// Get the current users information
3845async fn get_private_user_info(
3846 _request: proto::GetPrivateUserInfo,
3847 response: Response<proto::GetPrivateUserInfo>,
3848 session: Session,
3849) -> Result<()> {
3850 let db = session.db().await;
3851
3852 let metrics_id = db.get_user_metrics_id(session.user_id()).await?;
3853 let user = db
3854 .get_user_by_id(session.user_id())
3855 .await?
3856 .ok_or_else(|| anyhow!("user not found"))?;
3857 let flags = db.get_user_flags(session.user_id()).await?;
3858
3859 response.send(proto::GetPrivateUserInfoResponse {
3860 metrics_id,
3861 staff: user.admin,
3862 flags,
3863 accepted_tos_at: user.accepted_tos_at.map(|t| t.and_utc().timestamp() as u64),
3864 })?;
3865 Ok(())
3866}
3867
3868/// Accept the terms of service (tos) on behalf of the current user
3869async fn accept_terms_of_service(
3870 _request: proto::AcceptTermsOfService,
3871 response: Response<proto::AcceptTermsOfService>,
3872 session: Session,
3873) -> Result<()> {
3874 let db = session.db().await;
3875
3876 let accepted_tos_at = Utc::now();
3877 db.set_user_accepted_tos_at(session.user_id(), Some(accepted_tos_at.naive_utc()))
3878 .await?;
3879
3880 response.send(proto::AcceptTermsOfServiceResponse {
3881 accepted_tos_at: accepted_tos_at.timestamp() as u64,
3882 })?;
3883 Ok(())
3884}
3885
3886/// The minimum account age an account must have in order to use the LLM service.
3887pub const MIN_ACCOUNT_AGE_FOR_LLM_USE: chrono::Duration = chrono::Duration::days(30);
3888
3889async fn get_llm_api_token(
3890 _request: proto::GetLlmToken,
3891 response: Response<proto::GetLlmToken>,
3892 session: Session,
3893) -> Result<()> {
3894 let db = session.db().await;
3895
3896 let flags = db.get_user_flags(session.user_id()).await?;
3897 let has_language_models_feature_flag = flags.iter().any(|flag| flag == "language-models");
3898
3899 if !session.is_staff() && !has_language_models_feature_flag {
3900 Err(anyhow!("permission denied"))?
3901 }
3902
3903 let user_id = session.user_id();
3904 let user = db
3905 .get_user_by_id(user_id)
3906 .await?
3907 .ok_or_else(|| anyhow!("user {} not found", user_id))?;
3908
3909 if user.accepted_tos_at.is_none() {
3910 Err(anyhow!("terms of service not accepted"))?
3911 }
3912
3913 let has_legacy_llm_subscription = session.has_llm_subscription(&db).await?;
3914 let billing_subscription = db.get_active_billing_subscription(user.id).await?;
3915 let billing_preferences = db.get_billing_preferences(user.id).await?;
3916
3917 let token = LlmTokenClaims::create(
3918 &user,
3919 session.is_staff(),
3920 billing_preferences,
3921 &flags,
3922 has_legacy_llm_subscription,
3923 billing_subscription,
3924 session.system_id.clone(),
3925 &session.app_state.config,
3926 )?;
3927 response.send(proto::GetLlmTokenResponse { token })?;
3928 Ok(())
3929}
3930
3931fn to_axum_message(message: TungsteniteMessage) -> anyhow::Result<AxumMessage> {
3932 let message = match message {
3933 TungsteniteMessage::Text(payload) => AxumMessage::Text(payload.as_str().to_string()),
3934 TungsteniteMessage::Binary(payload) => AxumMessage::Binary(payload.into()),
3935 TungsteniteMessage::Ping(payload) => AxumMessage::Ping(payload.into()),
3936 TungsteniteMessage::Pong(payload) => AxumMessage::Pong(payload.into()),
3937 TungsteniteMessage::Close(frame) => AxumMessage::Close(frame.map(|frame| AxumCloseFrame {
3938 code: frame.code.into(),
3939 reason: frame.reason.as_str().to_owned().into(),
3940 })),
3941 // We should never receive a frame while reading the message, according
3942 // to the `tungstenite` maintainers:
3943 //
3944 // > It cannot occur when you read messages from the WebSocket, but it
3945 // > can be used when you want to send the raw frames (e.g. you want to
3946 // > send the frames to the WebSocket without composing the full message first).
3947 // >
3948 // > — https://github.com/snapview/tungstenite-rs/issues/268
3949 TungsteniteMessage::Frame(_) => {
3950 bail!("received an unexpected frame while reading the message")
3951 }
3952 };
3953
3954 Ok(message)
3955}
3956
3957fn to_tungstenite_message(message: AxumMessage) -> TungsteniteMessage {
3958 match message {
3959 AxumMessage::Text(payload) => TungsteniteMessage::Text(payload.into()),
3960 AxumMessage::Binary(payload) => TungsteniteMessage::Binary(payload.into()),
3961 AxumMessage::Ping(payload) => TungsteniteMessage::Ping(payload.into()),
3962 AxumMessage::Pong(payload) => TungsteniteMessage::Pong(payload.into()),
3963 AxumMessage::Close(frame) => {
3964 TungsteniteMessage::Close(frame.map(|frame| TungsteniteCloseFrame {
3965 code: frame.code.into(),
3966 reason: frame.reason.as_ref().into(),
3967 }))
3968 }
3969 }
3970}
3971
3972fn notify_membership_updated(
3973 connection_pool: &mut ConnectionPool,
3974 result: MembershipUpdated,
3975 user_id: UserId,
3976 peer: &Peer,
3977) {
3978 for membership in &result.new_channels.channel_memberships {
3979 connection_pool.subscribe_to_channel(user_id, membership.channel_id, membership.role)
3980 }
3981 for channel_id in &result.removed_channels {
3982 connection_pool.unsubscribe_from_channel(&user_id, channel_id)
3983 }
3984
3985 let user_channels_update = proto::UpdateUserChannels {
3986 channel_memberships: result
3987 .new_channels
3988 .channel_memberships
3989 .iter()
3990 .map(|cm| proto::ChannelMembership {
3991 channel_id: cm.channel_id.to_proto(),
3992 role: cm.role.into(),
3993 })
3994 .collect(),
3995 ..Default::default()
3996 };
3997
3998 let mut update = build_channels_update(result.new_channels);
3999 update.delete_channels = result
4000 .removed_channels
4001 .into_iter()
4002 .map(|id| id.to_proto())
4003 .collect();
4004 update.remove_channel_invitations = vec![result.channel_id.to_proto()];
4005
4006 for connection_id in connection_pool.user_connection_ids(user_id) {
4007 peer.send(connection_id, user_channels_update.clone())
4008 .trace_err();
4009 peer.send(connection_id, update.clone()).trace_err();
4010 }
4011}
4012
4013fn build_update_user_channels(channels: &ChannelsForUser) -> proto::UpdateUserChannels {
4014 proto::UpdateUserChannels {
4015 channel_memberships: channels
4016 .channel_memberships
4017 .iter()
4018 .map(|m| proto::ChannelMembership {
4019 channel_id: m.channel_id.to_proto(),
4020 role: m.role.into(),
4021 })
4022 .collect(),
4023 observed_channel_buffer_version: channels.observed_buffer_versions.clone(),
4024 observed_channel_message_id: channels.observed_channel_messages.clone(),
4025 }
4026}
4027
4028fn build_channels_update(channels: ChannelsForUser) -> proto::UpdateChannels {
4029 let mut update = proto::UpdateChannels::default();
4030
4031 for channel in channels.channels {
4032 update.channels.push(channel.to_proto());
4033 }
4034
4035 update.latest_channel_buffer_versions = channels.latest_buffer_versions;
4036 update.latest_channel_message_ids = channels.latest_channel_messages;
4037
4038 for (channel_id, participants) in channels.channel_participants {
4039 update
4040 .channel_participants
4041 .push(proto::ChannelParticipants {
4042 channel_id: channel_id.to_proto(),
4043 participant_user_ids: participants.into_iter().map(|id| id.to_proto()).collect(),
4044 });
4045 }
4046
4047 for channel in channels.invited_channels {
4048 update.channel_invitations.push(channel.to_proto());
4049 }
4050
4051 update
4052}
4053
4054fn build_initial_contacts_update(
4055 contacts: Vec<db::Contact>,
4056 pool: &ConnectionPool,
4057) -> proto::UpdateContacts {
4058 let mut update = proto::UpdateContacts::default();
4059
4060 for contact in contacts {
4061 match contact {
4062 db::Contact::Accepted { user_id, busy } => {
4063 update.contacts.push(contact_for_user(user_id, busy, pool));
4064 }
4065 db::Contact::Outgoing { user_id } => update.outgoing_requests.push(user_id.to_proto()),
4066 db::Contact::Incoming { user_id } => {
4067 update
4068 .incoming_requests
4069 .push(proto::IncomingContactRequest {
4070 requester_id: user_id.to_proto(),
4071 })
4072 }
4073 }
4074 }
4075
4076 update
4077}
4078
4079fn contact_for_user(user_id: UserId, busy: bool, pool: &ConnectionPool) -> proto::Contact {
4080 proto::Contact {
4081 user_id: user_id.to_proto(),
4082 online: pool.is_user_online(user_id),
4083 busy,
4084 }
4085}
4086
4087fn room_updated(room: &proto::Room, peer: &Peer) {
4088 broadcast(
4089 None,
4090 room.participants
4091 .iter()
4092 .filter_map(|participant| Some(participant.peer_id?.into())),
4093 |peer_id| {
4094 peer.send(
4095 peer_id,
4096 proto::RoomUpdated {
4097 room: Some(room.clone()),
4098 },
4099 )
4100 },
4101 );
4102}
4103
4104fn channel_updated(
4105 channel: &db::channel::Model,
4106 room: &proto::Room,
4107 peer: &Peer,
4108 pool: &ConnectionPool,
4109) {
4110 let participants = room
4111 .participants
4112 .iter()
4113 .map(|p| p.user_id)
4114 .collect::<Vec<_>>();
4115
4116 broadcast(
4117 None,
4118 pool.channel_connection_ids(channel.root_id())
4119 .filter_map(|(channel_id, role)| {
4120 role.can_see_channel(channel.visibility)
4121 .then_some(channel_id)
4122 }),
4123 |peer_id| {
4124 peer.send(
4125 peer_id,
4126 proto::UpdateChannels {
4127 channel_participants: vec![proto::ChannelParticipants {
4128 channel_id: channel.id.to_proto(),
4129 participant_user_ids: participants.clone(),
4130 }],
4131 ..Default::default()
4132 },
4133 )
4134 },
4135 );
4136}
4137
4138async fn update_user_contacts(user_id: UserId, session: &Session) -> Result<()> {
4139 let db = session.db().await;
4140
4141 let contacts = db.get_contacts(user_id).await?;
4142 let busy = db.is_user_busy(user_id).await?;
4143
4144 let pool = session.connection_pool().await;
4145 let updated_contact = contact_for_user(user_id, busy, &pool);
4146 for contact in contacts {
4147 if let db::Contact::Accepted {
4148 user_id: contact_user_id,
4149 ..
4150 } = contact
4151 {
4152 for contact_conn_id in pool.user_connection_ids(contact_user_id) {
4153 session
4154 .peer
4155 .send(
4156 contact_conn_id,
4157 proto::UpdateContacts {
4158 contacts: vec![updated_contact.clone()],
4159 remove_contacts: Default::default(),
4160 incoming_requests: Default::default(),
4161 remove_incoming_requests: Default::default(),
4162 outgoing_requests: Default::default(),
4163 remove_outgoing_requests: Default::default(),
4164 },
4165 )
4166 .trace_err();
4167 }
4168 }
4169 }
4170 Ok(())
4171}
4172
4173async fn leave_room_for_session(session: &Session, connection_id: ConnectionId) -> Result<()> {
4174 let mut contacts_to_update = HashSet::default();
4175
4176 let room_id;
4177 let canceled_calls_to_user_ids;
4178 let livekit_room;
4179 let delete_livekit_room;
4180 let room;
4181 let channel;
4182
4183 if let Some(mut left_room) = session.db().await.leave_room(connection_id).await? {
4184 contacts_to_update.insert(session.user_id());
4185
4186 for project in left_room.left_projects.values() {
4187 project_left(project, session);
4188 }
4189
4190 room_id = RoomId::from_proto(left_room.room.id);
4191 canceled_calls_to_user_ids = mem::take(&mut left_room.canceled_calls_to_user_ids);
4192 livekit_room = mem::take(&mut left_room.room.livekit_room);
4193 delete_livekit_room = left_room.deleted;
4194 room = mem::take(&mut left_room.room);
4195 channel = mem::take(&mut left_room.channel);
4196
4197 room_updated(&room, &session.peer);
4198 } else {
4199 return Ok(());
4200 }
4201
4202 if let Some(channel) = channel {
4203 channel_updated(
4204 &channel,
4205 &room,
4206 &session.peer,
4207 &*session.connection_pool().await,
4208 );
4209 }
4210
4211 {
4212 let pool = session.connection_pool().await;
4213 for canceled_user_id in canceled_calls_to_user_ids {
4214 for connection_id in pool.user_connection_ids(canceled_user_id) {
4215 session
4216 .peer
4217 .send(
4218 connection_id,
4219 proto::CallCanceled {
4220 room_id: room_id.to_proto(),
4221 },
4222 )
4223 .trace_err();
4224 }
4225 contacts_to_update.insert(canceled_user_id);
4226 }
4227 }
4228
4229 for contact_user_id in contacts_to_update {
4230 update_user_contacts(contact_user_id, session).await?;
4231 }
4232
4233 if let Some(live_kit) = session.app_state.livekit_client.as_ref() {
4234 live_kit
4235 .remove_participant(livekit_room.clone(), session.user_id().to_string())
4236 .await
4237 .trace_err();
4238
4239 if delete_livekit_room {
4240 live_kit.delete_room(livekit_room).await.trace_err();
4241 }
4242 }
4243
4244 Ok(())
4245}
4246
4247async fn leave_channel_buffers_for_session(session: &Session) -> Result<()> {
4248 let left_channel_buffers = session
4249 .db()
4250 .await
4251 .leave_channel_buffers(session.connection_id)
4252 .await?;
4253
4254 for left_buffer in left_channel_buffers {
4255 channel_buffer_updated(
4256 session.connection_id,
4257 left_buffer.connections,
4258 &proto::UpdateChannelBufferCollaborators {
4259 channel_id: left_buffer.channel_id.to_proto(),
4260 collaborators: left_buffer.collaborators,
4261 },
4262 &session.peer,
4263 );
4264 }
4265
4266 Ok(())
4267}
4268
4269fn project_left(project: &db::LeftProject, session: &Session) {
4270 for connection_id in &project.connection_ids {
4271 if project.should_unshare {
4272 session
4273 .peer
4274 .send(
4275 *connection_id,
4276 proto::UnshareProject {
4277 project_id: project.id.to_proto(),
4278 },
4279 )
4280 .trace_err();
4281 } else {
4282 session
4283 .peer
4284 .send(
4285 *connection_id,
4286 proto::RemoveProjectCollaborator {
4287 project_id: project.id.to_proto(),
4288 peer_id: Some(session.connection_id.into()),
4289 },
4290 )
4291 .trace_err();
4292 }
4293 }
4294}
4295
4296pub trait ResultExt {
4297 type Ok;
4298
4299 fn trace_err(self) -> Option<Self::Ok>;
4300}
4301
4302impl<T, E> ResultExt for Result<T, E>
4303where
4304 E: std::fmt::Debug,
4305{
4306 type Ok = T;
4307
4308 #[track_caller]
4309 fn trace_err(self) -> Option<T> {
4310 match self {
4311 Ok(value) => Some(value),
4312 Err(error) => {
4313 tracing::error!("{:?}", error);
4314 None
4315 }
4316 }
4317 }
4318}