1mod connection_pool;
2
3use crate::api::{CloudflareIpCountryHeader, SystemIdHeader};
4use crate::db::billing_subscription::SubscriptionKind;
5use crate::llm::{AGENT_EXTENDED_TRIAL_FEATURE_FLAG, 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 db = session.db().await;
2706
2707 let feature_flags = db.get_user_flags(user_id).await?;
2708 let plan = session.current_plan(&db).await?;
2709 let billing_customer = db.get_billing_customer_by_user_id(user_id).await?;
2710 let billing_preferences = db.get_billing_preferences(user_id).await?;
2711
2712 let usage = if let Some(llm_db) = session.app_state.llm_db.clone() {
2713 let subscription = db.get_active_billing_subscription(user_id).await?;
2714
2715 let subscription_period = crate::db::billing_subscription::Model::current_period(
2716 subscription,
2717 session.is_staff(),
2718 );
2719
2720 if let Some((period_start_at, period_end_at)) = subscription_period {
2721 llm_db
2722 .get_subscription_usage_for_period(user_id, period_start_at, period_end_at)
2723 .await?
2724 } else {
2725 None
2726 }
2727 } else {
2728 None
2729 };
2730
2731 session
2732 .peer
2733 .send(
2734 session.connection_id,
2735 proto::UpdateUserPlan {
2736 plan: plan.into(),
2737 trial_started_at: billing_customer
2738 .and_then(|billing_customer| billing_customer.trial_started_at)
2739 .map(|trial_started_at| trial_started_at.and_utc().timestamp() as u64),
2740 is_usage_based_billing_enabled: billing_preferences
2741 .map(|preferences| preferences.model_request_overages_enabled),
2742 usage: usage.map(|usage| {
2743 let plan = match plan {
2744 proto::Plan::Free => zed_llm_client::Plan::Free,
2745 proto::Plan::ZedPro => zed_llm_client::Plan::ZedPro,
2746 proto::Plan::ZedProTrial => zed_llm_client::Plan::ZedProTrial,
2747 };
2748
2749 let model_requests_limit = match plan.model_requests_limit() {
2750 zed_llm_client::UsageLimit::Limited(limit) => {
2751 let limit = if plan == zed_llm_client::Plan::ZedProTrial
2752 && feature_flags
2753 .iter()
2754 .any(|flag| flag == AGENT_EXTENDED_TRIAL_FEATURE_FLAG)
2755 {
2756 1_000
2757 } else {
2758 limit
2759 };
2760
2761 zed_llm_client::UsageLimit::Limited(limit)
2762 }
2763 zed_llm_client::UsageLimit::Unlimited => {
2764 zed_llm_client::UsageLimit::Unlimited
2765 }
2766 };
2767
2768 proto::SubscriptionUsage {
2769 model_requests_usage_amount: usage.model_requests as u32,
2770 model_requests_usage_limit: Some(proto::UsageLimit {
2771 variant: Some(match model_requests_limit {
2772 zed_llm_client::UsageLimit::Limited(limit) => {
2773 proto::usage_limit::Variant::Limited(
2774 proto::usage_limit::Limited {
2775 limit: limit as u32,
2776 },
2777 )
2778 }
2779 zed_llm_client::UsageLimit::Unlimited => {
2780 proto::usage_limit::Variant::Unlimited(
2781 proto::usage_limit::Unlimited {},
2782 )
2783 }
2784 }),
2785 }),
2786 edit_predictions_usage_amount: usage.edit_predictions as u32,
2787 edit_predictions_usage_limit: Some(proto::UsageLimit {
2788 variant: Some(match plan.edit_predictions_limit() {
2789 zed_llm_client::UsageLimit::Limited(limit) => {
2790 proto::usage_limit::Variant::Limited(
2791 proto::usage_limit::Limited {
2792 limit: limit as u32,
2793 },
2794 )
2795 }
2796 zed_llm_client::UsageLimit::Unlimited => {
2797 proto::usage_limit::Variant::Unlimited(
2798 proto::usage_limit::Unlimited {},
2799 )
2800 }
2801 }),
2802 }),
2803 }
2804 }),
2805 },
2806 )
2807 .trace_err();
2808
2809 Ok(())
2810}
2811
2812async fn subscribe_to_channels(_: proto::SubscribeToChannels, session: Session) -> Result<()> {
2813 subscribe_user_to_channels(session.user_id(), &session).await?;
2814 Ok(())
2815}
2816
2817async fn subscribe_user_to_channels(user_id: UserId, session: &Session) -> Result<(), Error> {
2818 let channels_for_user = session.db().await.get_channels_for_user(user_id).await?;
2819 let mut pool = session.connection_pool().await;
2820 for membership in &channels_for_user.channel_memberships {
2821 pool.subscribe_to_channel(user_id, membership.channel_id, membership.role)
2822 }
2823 session.peer.send(
2824 session.connection_id,
2825 build_update_user_channels(&channels_for_user),
2826 )?;
2827 session.peer.send(
2828 session.connection_id,
2829 build_channels_update(channels_for_user),
2830 )?;
2831 Ok(())
2832}
2833
2834/// Creates a new channel.
2835async fn create_channel(
2836 request: proto::CreateChannel,
2837 response: Response<proto::CreateChannel>,
2838 session: Session,
2839) -> Result<()> {
2840 let db = session.db().await;
2841
2842 let parent_id = request.parent_id.map(ChannelId::from_proto);
2843 let (channel, membership) = db
2844 .create_channel(&request.name, parent_id, session.user_id())
2845 .await?;
2846
2847 let root_id = channel.root_id();
2848 let channel = Channel::from_model(channel);
2849
2850 response.send(proto::CreateChannelResponse {
2851 channel: Some(channel.to_proto()),
2852 parent_id: request.parent_id,
2853 })?;
2854
2855 let mut connection_pool = session.connection_pool().await;
2856 if let Some(membership) = membership {
2857 connection_pool.subscribe_to_channel(
2858 membership.user_id,
2859 membership.channel_id,
2860 membership.role,
2861 );
2862 let update = proto::UpdateUserChannels {
2863 channel_memberships: vec![proto::ChannelMembership {
2864 channel_id: membership.channel_id.to_proto(),
2865 role: membership.role.into(),
2866 }],
2867 ..Default::default()
2868 };
2869 for connection_id in connection_pool.user_connection_ids(membership.user_id) {
2870 session.peer.send(connection_id, update.clone())?;
2871 }
2872 }
2873
2874 for (connection_id, role) in connection_pool.channel_connection_ids(root_id) {
2875 if !role.can_see_channel(channel.visibility) {
2876 continue;
2877 }
2878
2879 let update = proto::UpdateChannels {
2880 channels: vec![channel.to_proto()],
2881 ..Default::default()
2882 };
2883 session.peer.send(connection_id, update.clone())?;
2884 }
2885
2886 Ok(())
2887}
2888
2889/// Delete a channel
2890async fn delete_channel(
2891 request: proto::DeleteChannel,
2892 response: Response<proto::DeleteChannel>,
2893 session: Session,
2894) -> Result<()> {
2895 let db = session.db().await;
2896
2897 let channel_id = request.channel_id;
2898 let (root_channel, removed_channels) = db
2899 .delete_channel(ChannelId::from_proto(channel_id), session.user_id())
2900 .await?;
2901 response.send(proto::Ack {})?;
2902
2903 // Notify members of removed channels
2904 let mut update = proto::UpdateChannels::default();
2905 update
2906 .delete_channels
2907 .extend(removed_channels.into_iter().map(|id| id.to_proto()));
2908
2909 let connection_pool = session.connection_pool().await;
2910 for (connection_id, _) in connection_pool.channel_connection_ids(root_channel) {
2911 session.peer.send(connection_id, update.clone())?;
2912 }
2913
2914 Ok(())
2915}
2916
2917/// Invite someone to join a channel.
2918async fn invite_channel_member(
2919 request: proto::InviteChannelMember,
2920 response: Response<proto::InviteChannelMember>,
2921 session: Session,
2922) -> Result<()> {
2923 let db = session.db().await;
2924 let channel_id = ChannelId::from_proto(request.channel_id);
2925 let invitee_id = UserId::from_proto(request.user_id);
2926 let InviteMemberResult {
2927 channel,
2928 notifications,
2929 } = db
2930 .invite_channel_member(
2931 channel_id,
2932 invitee_id,
2933 session.user_id(),
2934 request.role().into(),
2935 )
2936 .await?;
2937
2938 let update = proto::UpdateChannels {
2939 channel_invitations: vec![channel.to_proto()],
2940 ..Default::default()
2941 };
2942
2943 let connection_pool = session.connection_pool().await;
2944 for connection_id in connection_pool.user_connection_ids(invitee_id) {
2945 session.peer.send(connection_id, update.clone())?;
2946 }
2947
2948 send_notifications(&connection_pool, &session.peer, notifications);
2949
2950 response.send(proto::Ack {})?;
2951 Ok(())
2952}
2953
2954/// remove someone from a channel
2955async fn remove_channel_member(
2956 request: proto::RemoveChannelMember,
2957 response: Response<proto::RemoveChannelMember>,
2958 session: Session,
2959) -> Result<()> {
2960 let db = session.db().await;
2961 let channel_id = ChannelId::from_proto(request.channel_id);
2962 let member_id = UserId::from_proto(request.user_id);
2963
2964 let RemoveChannelMemberResult {
2965 membership_update,
2966 notification_id,
2967 } = db
2968 .remove_channel_member(channel_id, member_id, session.user_id())
2969 .await?;
2970
2971 let mut connection_pool = session.connection_pool().await;
2972 notify_membership_updated(
2973 &mut connection_pool,
2974 membership_update,
2975 member_id,
2976 &session.peer,
2977 );
2978 for connection_id in connection_pool.user_connection_ids(member_id) {
2979 if let Some(notification_id) = notification_id {
2980 session
2981 .peer
2982 .send(
2983 connection_id,
2984 proto::DeleteNotification {
2985 notification_id: notification_id.to_proto(),
2986 },
2987 )
2988 .trace_err();
2989 }
2990 }
2991
2992 response.send(proto::Ack {})?;
2993 Ok(())
2994}
2995
2996/// Toggle the channel between public and private.
2997/// Care is taken to maintain the invariant that public channels only descend from public channels,
2998/// (though members-only channels can appear at any point in the hierarchy).
2999async fn set_channel_visibility(
3000 request: proto::SetChannelVisibility,
3001 response: Response<proto::SetChannelVisibility>,
3002 session: Session,
3003) -> Result<()> {
3004 let db = session.db().await;
3005 let channel_id = ChannelId::from_proto(request.channel_id);
3006 let visibility = request.visibility().into();
3007
3008 let channel_model = db
3009 .set_channel_visibility(channel_id, visibility, session.user_id())
3010 .await?;
3011 let root_id = channel_model.root_id();
3012 let channel = Channel::from_model(channel_model);
3013
3014 let mut connection_pool = session.connection_pool().await;
3015 for (user_id, role) in connection_pool
3016 .channel_user_ids(root_id)
3017 .collect::<Vec<_>>()
3018 .into_iter()
3019 {
3020 let update = if role.can_see_channel(channel.visibility) {
3021 connection_pool.subscribe_to_channel(user_id, channel_id, role);
3022 proto::UpdateChannels {
3023 channels: vec![channel.to_proto()],
3024 ..Default::default()
3025 }
3026 } else {
3027 connection_pool.unsubscribe_from_channel(&user_id, &channel_id);
3028 proto::UpdateChannels {
3029 delete_channels: vec![channel.id.to_proto()],
3030 ..Default::default()
3031 }
3032 };
3033
3034 for connection_id in connection_pool.user_connection_ids(user_id) {
3035 session.peer.send(connection_id, update.clone())?;
3036 }
3037 }
3038
3039 response.send(proto::Ack {})?;
3040 Ok(())
3041}
3042
3043/// Alter the role for a user in the channel.
3044async fn set_channel_member_role(
3045 request: proto::SetChannelMemberRole,
3046 response: Response<proto::SetChannelMemberRole>,
3047 session: Session,
3048) -> Result<()> {
3049 let db = session.db().await;
3050 let channel_id = ChannelId::from_proto(request.channel_id);
3051 let member_id = UserId::from_proto(request.user_id);
3052 let result = db
3053 .set_channel_member_role(
3054 channel_id,
3055 session.user_id(),
3056 member_id,
3057 request.role().into(),
3058 )
3059 .await?;
3060
3061 match result {
3062 db::SetMemberRoleResult::MembershipUpdated(membership_update) => {
3063 let mut connection_pool = session.connection_pool().await;
3064 notify_membership_updated(
3065 &mut connection_pool,
3066 membership_update,
3067 member_id,
3068 &session.peer,
3069 )
3070 }
3071 db::SetMemberRoleResult::InviteUpdated(channel) => {
3072 let update = proto::UpdateChannels {
3073 channel_invitations: vec![channel.to_proto()],
3074 ..Default::default()
3075 };
3076
3077 for connection_id in session
3078 .connection_pool()
3079 .await
3080 .user_connection_ids(member_id)
3081 {
3082 session.peer.send(connection_id, update.clone())?;
3083 }
3084 }
3085 }
3086
3087 response.send(proto::Ack {})?;
3088 Ok(())
3089}
3090
3091/// Change the name of a channel
3092async fn rename_channel(
3093 request: proto::RenameChannel,
3094 response: Response<proto::RenameChannel>,
3095 session: Session,
3096) -> Result<()> {
3097 let db = session.db().await;
3098 let channel_id = ChannelId::from_proto(request.channel_id);
3099 let channel_model = db
3100 .rename_channel(channel_id, session.user_id(), &request.name)
3101 .await?;
3102 let root_id = channel_model.root_id();
3103 let channel = Channel::from_model(channel_model);
3104
3105 response.send(proto::RenameChannelResponse {
3106 channel: Some(channel.to_proto()),
3107 })?;
3108
3109 let connection_pool = session.connection_pool().await;
3110 let update = proto::UpdateChannels {
3111 channels: vec![channel.to_proto()],
3112 ..Default::default()
3113 };
3114 for (connection_id, role) in connection_pool.channel_connection_ids(root_id) {
3115 if role.can_see_channel(channel.visibility) {
3116 session.peer.send(connection_id, update.clone())?;
3117 }
3118 }
3119
3120 Ok(())
3121}
3122
3123/// Move a channel to a new parent.
3124async fn move_channel(
3125 request: proto::MoveChannel,
3126 response: Response<proto::MoveChannel>,
3127 session: Session,
3128) -> Result<()> {
3129 let channel_id = ChannelId::from_proto(request.channel_id);
3130 let to = ChannelId::from_proto(request.to);
3131
3132 let (root_id, channels) = session
3133 .db()
3134 .await
3135 .move_channel(channel_id, to, session.user_id())
3136 .await?;
3137
3138 let connection_pool = session.connection_pool().await;
3139 for (connection_id, role) in connection_pool.channel_connection_ids(root_id) {
3140 let channels = channels
3141 .iter()
3142 .filter_map(|channel| {
3143 if role.can_see_channel(channel.visibility) {
3144 Some(channel.to_proto())
3145 } else {
3146 None
3147 }
3148 })
3149 .collect::<Vec<_>>();
3150 if channels.is_empty() {
3151 continue;
3152 }
3153
3154 let update = proto::UpdateChannels {
3155 channels,
3156 ..Default::default()
3157 };
3158
3159 session.peer.send(connection_id, update.clone())?;
3160 }
3161
3162 response.send(Ack {})?;
3163 Ok(())
3164}
3165
3166/// Get the list of channel members
3167async fn get_channel_members(
3168 request: proto::GetChannelMembers,
3169 response: Response<proto::GetChannelMembers>,
3170 session: Session,
3171) -> Result<()> {
3172 let db = session.db().await;
3173 let channel_id = ChannelId::from_proto(request.channel_id);
3174 let limit = if request.limit == 0 {
3175 u16::MAX as u64
3176 } else {
3177 request.limit
3178 };
3179 let (members, users) = db
3180 .get_channel_participant_details(channel_id, &request.query, limit, session.user_id())
3181 .await?;
3182 response.send(proto::GetChannelMembersResponse { members, users })?;
3183 Ok(())
3184}
3185
3186/// Accept or decline a channel invitation.
3187async fn respond_to_channel_invite(
3188 request: proto::RespondToChannelInvite,
3189 response: Response<proto::RespondToChannelInvite>,
3190 session: Session,
3191) -> Result<()> {
3192 let db = session.db().await;
3193 let channel_id = ChannelId::from_proto(request.channel_id);
3194 let RespondToChannelInvite {
3195 membership_update,
3196 notifications,
3197 } = db
3198 .respond_to_channel_invite(channel_id, session.user_id(), request.accept)
3199 .await?;
3200
3201 let mut connection_pool = session.connection_pool().await;
3202 if let Some(membership_update) = membership_update {
3203 notify_membership_updated(
3204 &mut connection_pool,
3205 membership_update,
3206 session.user_id(),
3207 &session.peer,
3208 );
3209 } else {
3210 let update = proto::UpdateChannels {
3211 remove_channel_invitations: vec![channel_id.to_proto()],
3212 ..Default::default()
3213 };
3214
3215 for connection_id in connection_pool.user_connection_ids(session.user_id()) {
3216 session.peer.send(connection_id, update.clone())?;
3217 }
3218 };
3219
3220 send_notifications(&connection_pool, &session.peer, notifications);
3221
3222 response.send(proto::Ack {})?;
3223
3224 Ok(())
3225}
3226
3227/// Join the channels' room
3228async fn join_channel(
3229 request: proto::JoinChannel,
3230 response: Response<proto::JoinChannel>,
3231 session: Session,
3232) -> Result<()> {
3233 let channel_id = ChannelId::from_proto(request.channel_id);
3234 join_channel_internal(channel_id, Box::new(response), session).await
3235}
3236
3237trait JoinChannelInternalResponse {
3238 fn send(self, result: proto::JoinRoomResponse) -> Result<()>;
3239}
3240impl JoinChannelInternalResponse for Response<proto::JoinChannel> {
3241 fn send(self, result: proto::JoinRoomResponse) -> Result<()> {
3242 Response::<proto::JoinChannel>::send(self, result)
3243 }
3244}
3245impl JoinChannelInternalResponse for Response<proto::JoinRoom> {
3246 fn send(self, result: proto::JoinRoomResponse) -> Result<()> {
3247 Response::<proto::JoinRoom>::send(self, result)
3248 }
3249}
3250
3251async fn join_channel_internal(
3252 channel_id: ChannelId,
3253 response: Box<impl JoinChannelInternalResponse>,
3254 session: Session,
3255) -> Result<()> {
3256 let joined_room = {
3257 let mut db = session.db().await;
3258 // If zed quits without leaving the room, and the user re-opens zed before the
3259 // RECONNECT_TIMEOUT, we need to make sure that we kick the user out of the previous
3260 // room they were in.
3261 if let Some(connection) = db.stale_room_connection(session.user_id()).await? {
3262 tracing::info!(
3263 stale_connection_id = %connection,
3264 "cleaning up stale connection",
3265 );
3266 drop(db);
3267 leave_room_for_session(&session, connection).await?;
3268 db = session.db().await;
3269 }
3270
3271 let (joined_room, membership_updated, role) = db
3272 .join_channel(channel_id, session.user_id(), session.connection_id)
3273 .await?;
3274
3275 let live_kit_connection_info =
3276 session
3277 .app_state
3278 .livekit_client
3279 .as_ref()
3280 .and_then(|live_kit| {
3281 let (can_publish, token) = if role == ChannelRole::Guest {
3282 (
3283 false,
3284 live_kit
3285 .guest_token(
3286 &joined_room.room.livekit_room,
3287 &session.user_id().to_string(),
3288 )
3289 .trace_err()?,
3290 )
3291 } else {
3292 (
3293 true,
3294 live_kit
3295 .room_token(
3296 &joined_room.room.livekit_room,
3297 &session.user_id().to_string(),
3298 )
3299 .trace_err()?,
3300 )
3301 };
3302
3303 Some(LiveKitConnectionInfo {
3304 server_url: live_kit.url().into(),
3305 token,
3306 can_publish,
3307 })
3308 });
3309
3310 response.send(proto::JoinRoomResponse {
3311 room: Some(joined_room.room.clone()),
3312 channel_id: joined_room
3313 .channel
3314 .as_ref()
3315 .map(|channel| channel.id.to_proto()),
3316 live_kit_connection_info,
3317 })?;
3318
3319 let mut connection_pool = session.connection_pool().await;
3320 if let Some(membership_updated) = membership_updated {
3321 notify_membership_updated(
3322 &mut connection_pool,
3323 membership_updated,
3324 session.user_id(),
3325 &session.peer,
3326 );
3327 }
3328
3329 room_updated(&joined_room.room, &session.peer);
3330
3331 joined_room
3332 };
3333
3334 channel_updated(
3335 &joined_room
3336 .channel
3337 .ok_or_else(|| anyhow!("channel not returned"))?,
3338 &joined_room.room,
3339 &session.peer,
3340 &*session.connection_pool().await,
3341 );
3342
3343 update_user_contacts(session.user_id(), &session).await?;
3344 Ok(())
3345}
3346
3347/// Start editing the channel notes
3348async fn join_channel_buffer(
3349 request: proto::JoinChannelBuffer,
3350 response: Response<proto::JoinChannelBuffer>,
3351 session: Session,
3352) -> Result<()> {
3353 let db = session.db().await;
3354 let channel_id = ChannelId::from_proto(request.channel_id);
3355
3356 let open_response = db
3357 .join_channel_buffer(channel_id, session.user_id(), session.connection_id)
3358 .await?;
3359
3360 let collaborators = open_response.collaborators.clone();
3361 response.send(open_response)?;
3362
3363 let update = UpdateChannelBufferCollaborators {
3364 channel_id: channel_id.to_proto(),
3365 collaborators: collaborators.clone(),
3366 };
3367 channel_buffer_updated(
3368 session.connection_id,
3369 collaborators
3370 .iter()
3371 .filter_map(|collaborator| Some(collaborator.peer_id?.into())),
3372 &update,
3373 &session.peer,
3374 );
3375
3376 Ok(())
3377}
3378
3379/// Edit the channel notes
3380async fn update_channel_buffer(
3381 request: proto::UpdateChannelBuffer,
3382 session: Session,
3383) -> Result<()> {
3384 let db = session.db().await;
3385 let channel_id = ChannelId::from_proto(request.channel_id);
3386
3387 let (collaborators, epoch, version) = db
3388 .update_channel_buffer(channel_id, session.user_id(), &request.operations)
3389 .await?;
3390
3391 channel_buffer_updated(
3392 session.connection_id,
3393 collaborators.clone(),
3394 &proto::UpdateChannelBuffer {
3395 channel_id: channel_id.to_proto(),
3396 operations: request.operations,
3397 },
3398 &session.peer,
3399 );
3400
3401 let pool = &*session.connection_pool().await;
3402
3403 let non_collaborators =
3404 pool.channel_connection_ids(channel_id)
3405 .filter_map(|(connection_id, _)| {
3406 if collaborators.contains(&connection_id) {
3407 None
3408 } else {
3409 Some(connection_id)
3410 }
3411 });
3412
3413 broadcast(None, non_collaborators, |peer_id| {
3414 session.peer.send(
3415 peer_id,
3416 proto::UpdateChannels {
3417 latest_channel_buffer_versions: vec![proto::ChannelBufferVersion {
3418 channel_id: channel_id.to_proto(),
3419 epoch: epoch as u64,
3420 version: version.clone(),
3421 }],
3422 ..Default::default()
3423 },
3424 )
3425 });
3426
3427 Ok(())
3428}
3429
3430/// Rejoin the channel notes after a connection blip
3431async fn rejoin_channel_buffers(
3432 request: proto::RejoinChannelBuffers,
3433 response: Response<proto::RejoinChannelBuffers>,
3434 session: Session,
3435) -> Result<()> {
3436 let db = session.db().await;
3437 let buffers = db
3438 .rejoin_channel_buffers(&request.buffers, session.user_id(), session.connection_id)
3439 .await?;
3440
3441 for rejoined_buffer in &buffers {
3442 let collaborators_to_notify = rejoined_buffer
3443 .buffer
3444 .collaborators
3445 .iter()
3446 .filter_map(|c| Some(c.peer_id?.into()));
3447 channel_buffer_updated(
3448 session.connection_id,
3449 collaborators_to_notify,
3450 &proto::UpdateChannelBufferCollaborators {
3451 channel_id: rejoined_buffer.buffer.channel_id,
3452 collaborators: rejoined_buffer.buffer.collaborators.clone(),
3453 },
3454 &session.peer,
3455 );
3456 }
3457
3458 response.send(proto::RejoinChannelBuffersResponse {
3459 buffers: buffers.into_iter().map(|b| b.buffer).collect(),
3460 })?;
3461
3462 Ok(())
3463}
3464
3465/// Stop editing the channel notes
3466async fn leave_channel_buffer(
3467 request: proto::LeaveChannelBuffer,
3468 response: Response<proto::LeaveChannelBuffer>,
3469 session: Session,
3470) -> Result<()> {
3471 let db = session.db().await;
3472 let channel_id = ChannelId::from_proto(request.channel_id);
3473
3474 let left_buffer = db
3475 .leave_channel_buffer(channel_id, session.connection_id)
3476 .await?;
3477
3478 response.send(Ack {})?;
3479
3480 channel_buffer_updated(
3481 session.connection_id,
3482 left_buffer.connections,
3483 &proto::UpdateChannelBufferCollaborators {
3484 channel_id: channel_id.to_proto(),
3485 collaborators: left_buffer.collaborators,
3486 },
3487 &session.peer,
3488 );
3489
3490 Ok(())
3491}
3492
3493fn channel_buffer_updated<T: EnvelopedMessage>(
3494 sender_id: ConnectionId,
3495 collaborators: impl IntoIterator<Item = ConnectionId>,
3496 message: &T,
3497 peer: &Peer,
3498) {
3499 broadcast(Some(sender_id), collaborators, |peer_id| {
3500 peer.send(peer_id, message.clone())
3501 });
3502}
3503
3504fn send_notifications(
3505 connection_pool: &ConnectionPool,
3506 peer: &Peer,
3507 notifications: db::NotificationBatch,
3508) {
3509 for (user_id, notification) in notifications {
3510 for connection_id in connection_pool.user_connection_ids(user_id) {
3511 if let Err(error) = peer.send(
3512 connection_id,
3513 proto::AddNotification {
3514 notification: Some(notification.clone()),
3515 },
3516 ) {
3517 tracing::error!(
3518 "failed to send notification to {:?} {}",
3519 connection_id,
3520 error
3521 );
3522 }
3523 }
3524 }
3525}
3526
3527/// Send a message to the channel
3528async fn send_channel_message(
3529 request: proto::SendChannelMessage,
3530 response: Response<proto::SendChannelMessage>,
3531 session: Session,
3532) -> Result<()> {
3533 // Validate the message body.
3534 let body = request.body.trim().to_string();
3535 if body.len() > MAX_MESSAGE_LEN {
3536 return Err(anyhow!("message is too long"))?;
3537 }
3538 if body.is_empty() {
3539 return Err(anyhow!("message can't be blank"))?;
3540 }
3541
3542 // TODO: adjust mentions if body is trimmed
3543
3544 let timestamp = OffsetDateTime::now_utc();
3545 let nonce = request
3546 .nonce
3547 .ok_or_else(|| anyhow!("nonce can't be blank"))?;
3548
3549 let channel_id = ChannelId::from_proto(request.channel_id);
3550 let CreatedChannelMessage {
3551 message_id,
3552 participant_connection_ids,
3553 notifications,
3554 } = session
3555 .db()
3556 .await
3557 .create_channel_message(
3558 channel_id,
3559 session.user_id(),
3560 &body,
3561 &request.mentions,
3562 timestamp,
3563 nonce.clone().into(),
3564 request.reply_to_message_id.map(MessageId::from_proto),
3565 )
3566 .await?;
3567
3568 let message = proto::ChannelMessage {
3569 sender_id: session.user_id().to_proto(),
3570 id: message_id.to_proto(),
3571 body,
3572 mentions: request.mentions,
3573 timestamp: timestamp.unix_timestamp() as u64,
3574 nonce: Some(nonce),
3575 reply_to_message_id: request.reply_to_message_id,
3576 edited_at: None,
3577 };
3578 broadcast(
3579 Some(session.connection_id),
3580 participant_connection_ids.clone(),
3581 |connection| {
3582 session.peer.send(
3583 connection,
3584 proto::ChannelMessageSent {
3585 channel_id: channel_id.to_proto(),
3586 message: Some(message.clone()),
3587 },
3588 )
3589 },
3590 );
3591 response.send(proto::SendChannelMessageResponse {
3592 message: Some(message),
3593 })?;
3594
3595 let pool = &*session.connection_pool().await;
3596 let non_participants =
3597 pool.channel_connection_ids(channel_id)
3598 .filter_map(|(connection_id, _)| {
3599 if participant_connection_ids.contains(&connection_id) {
3600 None
3601 } else {
3602 Some(connection_id)
3603 }
3604 });
3605 broadcast(None, non_participants, |peer_id| {
3606 session.peer.send(
3607 peer_id,
3608 proto::UpdateChannels {
3609 latest_channel_message_ids: vec![proto::ChannelMessageId {
3610 channel_id: channel_id.to_proto(),
3611 message_id: message_id.to_proto(),
3612 }],
3613 ..Default::default()
3614 },
3615 )
3616 });
3617 send_notifications(pool, &session.peer, notifications);
3618
3619 Ok(())
3620}
3621
3622/// Delete a channel message
3623async fn remove_channel_message(
3624 request: proto::RemoveChannelMessage,
3625 response: Response<proto::RemoveChannelMessage>,
3626 session: Session,
3627) -> Result<()> {
3628 let channel_id = ChannelId::from_proto(request.channel_id);
3629 let message_id = MessageId::from_proto(request.message_id);
3630 let (connection_ids, existing_notification_ids) = session
3631 .db()
3632 .await
3633 .remove_channel_message(channel_id, message_id, session.user_id())
3634 .await?;
3635
3636 broadcast(
3637 Some(session.connection_id),
3638 connection_ids,
3639 move |connection| {
3640 session.peer.send(connection, request.clone())?;
3641
3642 for notification_id in &existing_notification_ids {
3643 session.peer.send(
3644 connection,
3645 proto::DeleteNotification {
3646 notification_id: (*notification_id).to_proto(),
3647 },
3648 )?;
3649 }
3650
3651 Ok(())
3652 },
3653 );
3654 response.send(proto::Ack {})?;
3655 Ok(())
3656}
3657
3658async fn update_channel_message(
3659 request: proto::UpdateChannelMessage,
3660 response: Response<proto::UpdateChannelMessage>,
3661 session: Session,
3662) -> Result<()> {
3663 let channel_id = ChannelId::from_proto(request.channel_id);
3664 let message_id = MessageId::from_proto(request.message_id);
3665 let updated_at = OffsetDateTime::now_utc();
3666 let UpdatedChannelMessage {
3667 message_id,
3668 participant_connection_ids,
3669 notifications,
3670 reply_to_message_id,
3671 timestamp,
3672 deleted_mention_notification_ids,
3673 updated_mention_notifications,
3674 } = session
3675 .db()
3676 .await
3677 .update_channel_message(
3678 channel_id,
3679 message_id,
3680 session.user_id(),
3681 request.body.as_str(),
3682 &request.mentions,
3683 updated_at,
3684 )
3685 .await?;
3686
3687 let nonce = request
3688 .nonce
3689 .clone()
3690 .ok_or_else(|| anyhow!("nonce can't be blank"))?;
3691
3692 let message = proto::ChannelMessage {
3693 sender_id: session.user_id().to_proto(),
3694 id: message_id.to_proto(),
3695 body: request.body.clone(),
3696 mentions: request.mentions.clone(),
3697 timestamp: timestamp.assume_utc().unix_timestamp() as u64,
3698 nonce: Some(nonce),
3699 reply_to_message_id: reply_to_message_id.map(|id| id.to_proto()),
3700 edited_at: Some(updated_at.unix_timestamp() as u64),
3701 };
3702
3703 response.send(proto::Ack {})?;
3704
3705 let pool = &*session.connection_pool().await;
3706 broadcast(
3707 Some(session.connection_id),
3708 participant_connection_ids,
3709 |connection| {
3710 session.peer.send(
3711 connection,
3712 proto::ChannelMessageUpdate {
3713 channel_id: channel_id.to_proto(),
3714 message: Some(message.clone()),
3715 },
3716 )?;
3717
3718 for notification_id in &deleted_mention_notification_ids {
3719 session.peer.send(
3720 connection,
3721 proto::DeleteNotification {
3722 notification_id: (*notification_id).to_proto(),
3723 },
3724 )?;
3725 }
3726
3727 for notification in &updated_mention_notifications {
3728 session.peer.send(
3729 connection,
3730 proto::UpdateNotification {
3731 notification: Some(notification.clone()),
3732 },
3733 )?;
3734 }
3735
3736 Ok(())
3737 },
3738 );
3739
3740 send_notifications(pool, &session.peer, notifications);
3741
3742 Ok(())
3743}
3744
3745/// Mark a channel message as read
3746async fn acknowledge_channel_message(
3747 request: proto::AckChannelMessage,
3748 session: Session,
3749) -> Result<()> {
3750 let channel_id = ChannelId::from_proto(request.channel_id);
3751 let message_id = MessageId::from_proto(request.message_id);
3752 let notifications = session
3753 .db()
3754 .await
3755 .observe_channel_message(channel_id, session.user_id(), message_id)
3756 .await?;
3757 send_notifications(
3758 &*session.connection_pool().await,
3759 &session.peer,
3760 notifications,
3761 );
3762 Ok(())
3763}
3764
3765/// Mark a buffer version as synced
3766async fn acknowledge_buffer_version(
3767 request: proto::AckBufferOperation,
3768 session: Session,
3769) -> Result<()> {
3770 let buffer_id = BufferId::from_proto(request.buffer_id);
3771 session
3772 .db()
3773 .await
3774 .observe_buffer_version(
3775 buffer_id,
3776 session.user_id(),
3777 request.epoch as i32,
3778 &request.version,
3779 )
3780 .await?;
3781 Ok(())
3782}
3783
3784/// Get a Supermaven API key for the user
3785async fn get_supermaven_api_key(
3786 _request: proto::GetSupermavenApiKey,
3787 response: Response<proto::GetSupermavenApiKey>,
3788 session: Session,
3789) -> Result<()> {
3790 let user_id: String = session.user_id().to_string();
3791 if !session.is_staff() {
3792 return Err(anyhow!("supermaven not enabled for this account"))?;
3793 }
3794
3795 let email = session
3796 .email()
3797 .ok_or_else(|| anyhow!("user must have an email"))?;
3798
3799 let supermaven_admin_api = session
3800 .supermaven_client
3801 .as_ref()
3802 .ok_or_else(|| anyhow!("supermaven not configured"))?;
3803
3804 let result = supermaven_admin_api
3805 .try_get_or_create_user(CreateExternalUserRequest { id: user_id, email })
3806 .await?;
3807
3808 response.send(proto::GetSupermavenApiKeyResponse {
3809 api_key: result.api_key,
3810 })?;
3811
3812 Ok(())
3813}
3814
3815/// Start receiving chat updates for a channel
3816async fn join_channel_chat(
3817 request: proto::JoinChannelChat,
3818 response: Response<proto::JoinChannelChat>,
3819 session: Session,
3820) -> Result<()> {
3821 let channel_id = ChannelId::from_proto(request.channel_id);
3822
3823 let db = session.db().await;
3824 db.join_channel_chat(channel_id, session.connection_id, session.user_id())
3825 .await?;
3826 let messages = db
3827 .get_channel_messages(channel_id, session.user_id(), MESSAGE_COUNT_PER_PAGE, None)
3828 .await?;
3829 response.send(proto::JoinChannelChatResponse {
3830 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
3831 messages,
3832 })?;
3833 Ok(())
3834}
3835
3836/// Stop receiving chat updates for a channel
3837async fn leave_channel_chat(request: proto::LeaveChannelChat, session: Session) -> Result<()> {
3838 let channel_id = ChannelId::from_proto(request.channel_id);
3839 session
3840 .db()
3841 .await
3842 .leave_channel_chat(channel_id, session.connection_id, session.user_id())
3843 .await?;
3844 Ok(())
3845}
3846
3847/// Retrieve the chat history for a channel
3848async fn get_channel_messages(
3849 request: proto::GetChannelMessages,
3850 response: Response<proto::GetChannelMessages>,
3851 session: Session,
3852) -> Result<()> {
3853 let channel_id = ChannelId::from_proto(request.channel_id);
3854 let messages = session
3855 .db()
3856 .await
3857 .get_channel_messages(
3858 channel_id,
3859 session.user_id(),
3860 MESSAGE_COUNT_PER_PAGE,
3861 Some(MessageId::from_proto(request.before_message_id)),
3862 )
3863 .await?;
3864 response.send(proto::GetChannelMessagesResponse {
3865 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
3866 messages,
3867 })?;
3868 Ok(())
3869}
3870
3871/// Retrieve specific chat messages
3872async fn get_channel_messages_by_id(
3873 request: proto::GetChannelMessagesById,
3874 response: Response<proto::GetChannelMessagesById>,
3875 session: Session,
3876) -> Result<()> {
3877 let message_ids = request
3878 .message_ids
3879 .iter()
3880 .map(|id| MessageId::from_proto(*id))
3881 .collect::<Vec<_>>();
3882 let messages = session
3883 .db()
3884 .await
3885 .get_channel_messages_by_id(session.user_id(), &message_ids)
3886 .await?;
3887 response.send(proto::GetChannelMessagesResponse {
3888 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
3889 messages,
3890 })?;
3891 Ok(())
3892}
3893
3894/// Retrieve the current users notifications
3895async fn get_notifications(
3896 request: proto::GetNotifications,
3897 response: Response<proto::GetNotifications>,
3898 session: Session,
3899) -> Result<()> {
3900 let notifications = session
3901 .db()
3902 .await
3903 .get_notifications(
3904 session.user_id(),
3905 NOTIFICATION_COUNT_PER_PAGE,
3906 request.before_id.map(db::NotificationId::from_proto),
3907 )
3908 .await?;
3909 response.send(proto::GetNotificationsResponse {
3910 done: notifications.len() < NOTIFICATION_COUNT_PER_PAGE,
3911 notifications,
3912 })?;
3913 Ok(())
3914}
3915
3916/// Mark notifications as read
3917async fn mark_notification_as_read(
3918 request: proto::MarkNotificationRead,
3919 response: Response<proto::MarkNotificationRead>,
3920 session: Session,
3921) -> Result<()> {
3922 let database = &session.db().await;
3923 let notifications = database
3924 .mark_notification_as_read_by_id(
3925 session.user_id(),
3926 NotificationId::from_proto(request.notification_id),
3927 )
3928 .await?;
3929 send_notifications(
3930 &*session.connection_pool().await,
3931 &session.peer,
3932 notifications,
3933 );
3934 response.send(proto::Ack {})?;
3935 Ok(())
3936}
3937
3938/// Get the current users information
3939async fn get_private_user_info(
3940 _request: proto::GetPrivateUserInfo,
3941 response: Response<proto::GetPrivateUserInfo>,
3942 session: Session,
3943) -> Result<()> {
3944 let db = session.db().await;
3945
3946 let metrics_id = db.get_user_metrics_id(session.user_id()).await?;
3947 let user = db
3948 .get_user_by_id(session.user_id())
3949 .await?
3950 .ok_or_else(|| anyhow!("user not found"))?;
3951 let flags = db.get_user_flags(session.user_id()).await?;
3952
3953 response.send(proto::GetPrivateUserInfoResponse {
3954 metrics_id,
3955 staff: user.admin,
3956 flags,
3957 accepted_tos_at: user.accepted_tos_at.map(|t| t.and_utc().timestamp() as u64),
3958 })?;
3959 Ok(())
3960}
3961
3962/// Accept the terms of service (tos) on behalf of the current user
3963async fn accept_terms_of_service(
3964 _request: proto::AcceptTermsOfService,
3965 response: Response<proto::AcceptTermsOfService>,
3966 session: Session,
3967) -> Result<()> {
3968 let db = session.db().await;
3969
3970 let accepted_tos_at = Utc::now();
3971 db.set_user_accepted_tos_at(session.user_id(), Some(accepted_tos_at.naive_utc()))
3972 .await?;
3973
3974 response.send(proto::AcceptTermsOfServiceResponse {
3975 accepted_tos_at: accepted_tos_at.timestamp() as u64,
3976 })?;
3977 Ok(())
3978}
3979
3980/// The minimum account age an account must have in order to use the LLM service.
3981pub const MIN_ACCOUNT_AGE_FOR_LLM_USE: chrono::Duration = chrono::Duration::days(30);
3982
3983async fn get_llm_api_token(
3984 _request: proto::GetLlmToken,
3985 response: Response<proto::GetLlmToken>,
3986 session: Session,
3987) -> Result<()> {
3988 let db = session.db().await;
3989
3990 let flags = db.get_user_flags(session.user_id()).await?;
3991 let has_language_models_feature_flag = flags.iter().any(|flag| flag == "language-models");
3992
3993 if !session.is_staff() && !has_language_models_feature_flag {
3994 Err(anyhow!("permission denied"))?
3995 }
3996
3997 let user_id = session.user_id();
3998 let user = db
3999 .get_user_by_id(user_id)
4000 .await?
4001 .ok_or_else(|| anyhow!("user {} not found", user_id))?;
4002
4003 if user.accepted_tos_at.is_none() {
4004 Err(anyhow!("terms of service not accepted"))?
4005 }
4006
4007 let has_legacy_llm_subscription = session.has_llm_subscription(&db).await?;
4008 let billing_subscription = db.get_active_billing_subscription(user.id).await?;
4009 let billing_preferences = db.get_billing_preferences(user.id).await?;
4010
4011 let token = LlmTokenClaims::create(
4012 &user,
4013 session.is_staff(),
4014 billing_preferences,
4015 &flags,
4016 has_legacy_llm_subscription,
4017 billing_subscription,
4018 session.system_id.clone(),
4019 &session.app_state.config,
4020 )?;
4021 response.send(proto::GetLlmTokenResponse { token })?;
4022 Ok(())
4023}
4024
4025fn to_axum_message(message: TungsteniteMessage) -> anyhow::Result<AxumMessage> {
4026 let message = match message {
4027 TungsteniteMessage::Text(payload) => AxumMessage::Text(payload.as_str().to_string()),
4028 TungsteniteMessage::Binary(payload) => AxumMessage::Binary(payload.into()),
4029 TungsteniteMessage::Ping(payload) => AxumMessage::Ping(payload.into()),
4030 TungsteniteMessage::Pong(payload) => AxumMessage::Pong(payload.into()),
4031 TungsteniteMessage::Close(frame) => AxumMessage::Close(frame.map(|frame| AxumCloseFrame {
4032 code: frame.code.into(),
4033 reason: frame.reason.as_str().to_owned().into(),
4034 })),
4035 // We should never receive a frame while reading the message, according
4036 // to the `tungstenite` maintainers:
4037 //
4038 // > It cannot occur when you read messages from the WebSocket, but it
4039 // > can be used when you want to send the raw frames (e.g. you want to
4040 // > send the frames to the WebSocket without composing the full message first).
4041 // >
4042 // > — https://github.com/snapview/tungstenite-rs/issues/268
4043 TungsteniteMessage::Frame(_) => {
4044 bail!("received an unexpected frame while reading the message")
4045 }
4046 };
4047
4048 Ok(message)
4049}
4050
4051fn to_tungstenite_message(message: AxumMessage) -> TungsteniteMessage {
4052 match message {
4053 AxumMessage::Text(payload) => TungsteniteMessage::Text(payload.into()),
4054 AxumMessage::Binary(payload) => TungsteniteMessage::Binary(payload.into()),
4055 AxumMessage::Ping(payload) => TungsteniteMessage::Ping(payload.into()),
4056 AxumMessage::Pong(payload) => TungsteniteMessage::Pong(payload.into()),
4057 AxumMessage::Close(frame) => {
4058 TungsteniteMessage::Close(frame.map(|frame| TungsteniteCloseFrame {
4059 code: frame.code.into(),
4060 reason: frame.reason.as_ref().into(),
4061 }))
4062 }
4063 }
4064}
4065
4066fn notify_membership_updated(
4067 connection_pool: &mut ConnectionPool,
4068 result: MembershipUpdated,
4069 user_id: UserId,
4070 peer: &Peer,
4071) {
4072 for membership in &result.new_channels.channel_memberships {
4073 connection_pool.subscribe_to_channel(user_id, membership.channel_id, membership.role)
4074 }
4075 for channel_id in &result.removed_channels {
4076 connection_pool.unsubscribe_from_channel(&user_id, channel_id)
4077 }
4078
4079 let user_channels_update = proto::UpdateUserChannels {
4080 channel_memberships: result
4081 .new_channels
4082 .channel_memberships
4083 .iter()
4084 .map(|cm| proto::ChannelMembership {
4085 channel_id: cm.channel_id.to_proto(),
4086 role: cm.role.into(),
4087 })
4088 .collect(),
4089 ..Default::default()
4090 };
4091
4092 let mut update = build_channels_update(result.new_channels);
4093 update.delete_channels = result
4094 .removed_channels
4095 .into_iter()
4096 .map(|id| id.to_proto())
4097 .collect();
4098 update.remove_channel_invitations = vec![result.channel_id.to_proto()];
4099
4100 for connection_id in connection_pool.user_connection_ids(user_id) {
4101 peer.send(connection_id, user_channels_update.clone())
4102 .trace_err();
4103 peer.send(connection_id, update.clone()).trace_err();
4104 }
4105}
4106
4107fn build_update_user_channels(channels: &ChannelsForUser) -> proto::UpdateUserChannels {
4108 proto::UpdateUserChannels {
4109 channel_memberships: channels
4110 .channel_memberships
4111 .iter()
4112 .map(|m| proto::ChannelMembership {
4113 channel_id: m.channel_id.to_proto(),
4114 role: m.role.into(),
4115 })
4116 .collect(),
4117 observed_channel_buffer_version: channels.observed_buffer_versions.clone(),
4118 observed_channel_message_id: channels.observed_channel_messages.clone(),
4119 }
4120}
4121
4122fn build_channels_update(channels: ChannelsForUser) -> proto::UpdateChannels {
4123 let mut update = proto::UpdateChannels::default();
4124
4125 for channel in channels.channels {
4126 update.channels.push(channel.to_proto());
4127 }
4128
4129 update.latest_channel_buffer_versions = channels.latest_buffer_versions;
4130 update.latest_channel_message_ids = channels.latest_channel_messages;
4131
4132 for (channel_id, participants) in channels.channel_participants {
4133 update
4134 .channel_participants
4135 .push(proto::ChannelParticipants {
4136 channel_id: channel_id.to_proto(),
4137 participant_user_ids: participants.into_iter().map(|id| id.to_proto()).collect(),
4138 });
4139 }
4140
4141 for channel in channels.invited_channels {
4142 update.channel_invitations.push(channel.to_proto());
4143 }
4144
4145 update
4146}
4147
4148fn build_initial_contacts_update(
4149 contacts: Vec<db::Contact>,
4150 pool: &ConnectionPool,
4151) -> proto::UpdateContacts {
4152 let mut update = proto::UpdateContacts::default();
4153
4154 for contact in contacts {
4155 match contact {
4156 db::Contact::Accepted { user_id, busy } => {
4157 update.contacts.push(contact_for_user(user_id, busy, pool));
4158 }
4159 db::Contact::Outgoing { user_id } => update.outgoing_requests.push(user_id.to_proto()),
4160 db::Contact::Incoming { user_id } => {
4161 update
4162 .incoming_requests
4163 .push(proto::IncomingContactRequest {
4164 requester_id: user_id.to_proto(),
4165 })
4166 }
4167 }
4168 }
4169
4170 update
4171}
4172
4173fn contact_for_user(user_id: UserId, busy: bool, pool: &ConnectionPool) -> proto::Contact {
4174 proto::Contact {
4175 user_id: user_id.to_proto(),
4176 online: pool.is_user_online(user_id),
4177 busy,
4178 }
4179}
4180
4181fn room_updated(room: &proto::Room, peer: &Peer) {
4182 broadcast(
4183 None,
4184 room.participants
4185 .iter()
4186 .filter_map(|participant| Some(participant.peer_id?.into())),
4187 |peer_id| {
4188 peer.send(
4189 peer_id,
4190 proto::RoomUpdated {
4191 room: Some(room.clone()),
4192 },
4193 )
4194 },
4195 );
4196}
4197
4198fn channel_updated(
4199 channel: &db::channel::Model,
4200 room: &proto::Room,
4201 peer: &Peer,
4202 pool: &ConnectionPool,
4203) {
4204 let participants = room
4205 .participants
4206 .iter()
4207 .map(|p| p.user_id)
4208 .collect::<Vec<_>>();
4209
4210 broadcast(
4211 None,
4212 pool.channel_connection_ids(channel.root_id())
4213 .filter_map(|(channel_id, role)| {
4214 role.can_see_channel(channel.visibility)
4215 .then_some(channel_id)
4216 }),
4217 |peer_id| {
4218 peer.send(
4219 peer_id,
4220 proto::UpdateChannels {
4221 channel_participants: vec![proto::ChannelParticipants {
4222 channel_id: channel.id.to_proto(),
4223 participant_user_ids: participants.clone(),
4224 }],
4225 ..Default::default()
4226 },
4227 )
4228 },
4229 );
4230}
4231
4232async fn update_user_contacts(user_id: UserId, session: &Session) -> Result<()> {
4233 let db = session.db().await;
4234
4235 let contacts = db.get_contacts(user_id).await?;
4236 let busy = db.is_user_busy(user_id).await?;
4237
4238 let pool = session.connection_pool().await;
4239 let updated_contact = contact_for_user(user_id, busy, &pool);
4240 for contact in contacts {
4241 if let db::Contact::Accepted {
4242 user_id: contact_user_id,
4243 ..
4244 } = contact
4245 {
4246 for contact_conn_id in pool.user_connection_ids(contact_user_id) {
4247 session
4248 .peer
4249 .send(
4250 contact_conn_id,
4251 proto::UpdateContacts {
4252 contacts: vec![updated_contact.clone()],
4253 remove_contacts: Default::default(),
4254 incoming_requests: Default::default(),
4255 remove_incoming_requests: Default::default(),
4256 outgoing_requests: Default::default(),
4257 remove_outgoing_requests: Default::default(),
4258 },
4259 )
4260 .trace_err();
4261 }
4262 }
4263 }
4264 Ok(())
4265}
4266
4267async fn leave_room_for_session(session: &Session, connection_id: ConnectionId) -> Result<()> {
4268 let mut contacts_to_update = HashSet::default();
4269
4270 let room_id;
4271 let canceled_calls_to_user_ids;
4272 let livekit_room;
4273 let delete_livekit_room;
4274 let room;
4275 let channel;
4276
4277 if let Some(mut left_room) = session.db().await.leave_room(connection_id).await? {
4278 contacts_to_update.insert(session.user_id());
4279
4280 for project in left_room.left_projects.values() {
4281 project_left(project, session);
4282 }
4283
4284 room_id = RoomId::from_proto(left_room.room.id);
4285 canceled_calls_to_user_ids = mem::take(&mut left_room.canceled_calls_to_user_ids);
4286 livekit_room = mem::take(&mut left_room.room.livekit_room);
4287 delete_livekit_room = left_room.deleted;
4288 room = mem::take(&mut left_room.room);
4289 channel = mem::take(&mut left_room.channel);
4290
4291 room_updated(&room, &session.peer);
4292 } else {
4293 return Ok(());
4294 }
4295
4296 if let Some(channel) = channel {
4297 channel_updated(
4298 &channel,
4299 &room,
4300 &session.peer,
4301 &*session.connection_pool().await,
4302 );
4303 }
4304
4305 {
4306 let pool = session.connection_pool().await;
4307 for canceled_user_id in canceled_calls_to_user_ids {
4308 for connection_id in pool.user_connection_ids(canceled_user_id) {
4309 session
4310 .peer
4311 .send(
4312 connection_id,
4313 proto::CallCanceled {
4314 room_id: room_id.to_proto(),
4315 },
4316 )
4317 .trace_err();
4318 }
4319 contacts_to_update.insert(canceled_user_id);
4320 }
4321 }
4322
4323 for contact_user_id in contacts_to_update {
4324 update_user_contacts(contact_user_id, session).await?;
4325 }
4326
4327 if let Some(live_kit) = session.app_state.livekit_client.as_ref() {
4328 live_kit
4329 .remove_participant(livekit_room.clone(), session.user_id().to_string())
4330 .await
4331 .trace_err();
4332
4333 if delete_livekit_room {
4334 live_kit.delete_room(livekit_room).await.trace_err();
4335 }
4336 }
4337
4338 Ok(())
4339}
4340
4341async fn leave_channel_buffers_for_session(session: &Session) -> Result<()> {
4342 let left_channel_buffers = session
4343 .db()
4344 .await
4345 .leave_channel_buffers(session.connection_id)
4346 .await?;
4347
4348 for left_buffer in left_channel_buffers {
4349 channel_buffer_updated(
4350 session.connection_id,
4351 left_buffer.connections,
4352 &proto::UpdateChannelBufferCollaborators {
4353 channel_id: left_buffer.channel_id.to_proto(),
4354 collaborators: left_buffer.collaborators,
4355 },
4356 &session.peer,
4357 );
4358 }
4359
4360 Ok(())
4361}
4362
4363fn project_left(project: &db::LeftProject, session: &Session) {
4364 for connection_id in &project.connection_ids {
4365 if project.should_unshare {
4366 session
4367 .peer
4368 .send(
4369 *connection_id,
4370 proto::UnshareProject {
4371 project_id: project.id.to_proto(),
4372 },
4373 )
4374 .trace_err();
4375 } else {
4376 session
4377 .peer
4378 .send(
4379 *connection_id,
4380 proto::RemoveProjectCollaborator {
4381 project_id: project.id.to_proto(),
4382 peer_id: Some(session.connection_id.into()),
4383 },
4384 )
4385 .trace_err();
4386 }
4387 }
4388}
4389
4390pub trait ResultExt {
4391 type Ok;
4392
4393 fn trace_err(self) -> Option<Self::Ok>;
4394}
4395
4396impl<T, E> ResultExt for Result<T, E>
4397where
4398 E: std::fmt::Debug,
4399{
4400 type Ok = T;
4401
4402 #[track_caller]
4403 fn trace_err(self) -> Option<T> {
4404 match self {
4405 Ok(value) => Some(value),
4406 Err(error) => {
4407 tracing::error!("{:?}", error);
4408 None
4409 }
4410 }
4411 }
4412}