1mod store;
2
3use super::{
4 auth::process_auth_header,
5 db::{ChannelId, MessageId, UserId},
6 AppState,
7};
8use anyhow::anyhow;
9use async_std::task;
10use async_tungstenite::{tungstenite::protocol::Role, WebSocketStream};
11use futures::{future::BoxFuture, FutureExt};
12use parking_lot::{RwLock, RwLockReadGuard, RwLockWriteGuard};
13use postage::{mpsc, prelude::Sink as _, prelude::Stream as _};
14use rpc::{
15 proto::{self, AnyTypedEnvelope, EnvelopedMessage},
16 Connection, ConnectionId, Peer, TypedEnvelope,
17};
18use sha1::{Digest as _, Sha1};
19use std::{
20 any::TypeId,
21 collections::{HashMap, HashSet},
22 future::Future,
23 mem,
24 sync::Arc,
25 time::Instant,
26};
27use store::{Store, Worktree};
28use surf::StatusCode;
29use tide::log;
30use tide::{
31 http::headers::{HeaderName, CONNECTION, UPGRADE},
32 Request, Response,
33};
34use time::OffsetDateTime;
35
36type MessageHandler = Box<
37 dyn Send
38 + Sync
39 + Fn(Arc<Server>, Box<dyn AnyTypedEnvelope>) -> BoxFuture<'static, tide::Result<()>>,
40>;
41
42pub struct Server {
43 peer: Arc<Peer>,
44 store: RwLock<Store>,
45 app_state: Arc<AppState>,
46 handlers: HashMap<TypeId, MessageHandler>,
47 notifications: Option<mpsc::Sender<()>>,
48}
49
50const MESSAGE_COUNT_PER_PAGE: usize = 100;
51const MAX_MESSAGE_LEN: usize = 1024;
52
53impl Server {
54 pub fn new(
55 app_state: Arc<AppState>,
56 peer: Arc<Peer>,
57 notifications: Option<mpsc::Sender<()>>,
58 ) -> Arc<Self> {
59 let mut server = Self {
60 peer,
61 app_state,
62 store: Default::default(),
63 handlers: Default::default(),
64 notifications,
65 };
66
67 server
68 .add_handler(Server::ping)
69 .add_handler(Server::open_worktree)
70 .add_handler(Server::close_worktree)
71 .add_handler(Server::share_worktree)
72 .add_handler(Server::unshare_worktree)
73 .add_handler(Server::join_worktree)
74 .add_handler(Server::leave_worktree)
75 .add_handler(Server::update_worktree)
76 .add_handler(Server::open_buffer)
77 .add_handler(Server::close_buffer)
78 .add_handler(Server::update_buffer)
79 .add_handler(Server::buffer_saved)
80 .add_handler(Server::save_buffer)
81 .add_handler(Server::get_channels)
82 .add_handler(Server::get_users)
83 .add_handler(Server::join_channel)
84 .add_handler(Server::leave_channel)
85 .add_handler(Server::send_channel_message)
86 .add_handler(Server::get_channel_messages);
87
88 Arc::new(server)
89 }
90
91 fn add_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
92 where
93 F: 'static + Send + Sync + Fn(Arc<Self>, TypedEnvelope<M>) -> Fut,
94 Fut: 'static + Send + Future<Output = tide::Result<()>>,
95 M: EnvelopedMessage,
96 {
97 let prev_handler = self.handlers.insert(
98 TypeId::of::<M>(),
99 Box::new(move |server, envelope| {
100 let envelope = envelope.into_any().downcast::<TypedEnvelope<M>>().unwrap();
101 (handler)(server, *envelope).boxed()
102 }),
103 );
104 if prev_handler.is_some() {
105 panic!("registered a handler for the same message twice");
106 }
107 self
108 }
109
110 pub fn handle_connection(
111 self: &Arc<Self>,
112 connection: Connection,
113 addr: String,
114 user_id: UserId,
115 ) -> impl Future<Output = ()> {
116 let mut this = self.clone();
117 async move {
118 let (connection_id, handle_io, mut incoming_rx) =
119 this.peer.add_connection(connection).await;
120 this.state_mut().add_connection(connection_id, user_id);
121 if let Err(err) = this.update_collaborators_for_users(&[user_id]).await {
122 log::error!("error updating collaborators for {:?}: {}", user_id, err);
123 }
124
125 let handle_io = handle_io.fuse();
126 futures::pin_mut!(handle_io);
127 loop {
128 let next_message = incoming_rx.recv().fuse();
129 futures::pin_mut!(next_message);
130 futures::select_biased! {
131 message = next_message => {
132 if let Some(message) = message {
133 let start_time = Instant::now();
134 log::info!("RPC message received: {}", message.payload_type_name());
135 if let Some(handler) = this.handlers.get(&message.payload_type_id()) {
136 if let Err(err) = (handler)(this.clone(), message).await {
137 log::error!("error handling message: {:?}", err);
138 } else {
139 log::info!("RPC message handled. duration:{:?}", start_time.elapsed());
140 }
141
142 if let Some(mut notifications) = this.notifications.clone() {
143 let _ = notifications.send(()).await;
144 }
145 } else {
146 log::warn!("unhandled message: {}", message.payload_type_name());
147 }
148 } else {
149 log::info!("rpc connection closed {:?}", addr);
150 break;
151 }
152 }
153 handle_io = handle_io => {
154 if let Err(err) = handle_io {
155 log::error!("error handling rpc connection {:?} - {:?}", addr, err);
156 }
157 break;
158 }
159 }
160 }
161
162 if let Err(err) = this.sign_out(connection_id).await {
163 log::error!("error signing out connection {:?} - {:?}", addr, err);
164 }
165 }
166 }
167
168 async fn sign_out(self: &mut Arc<Self>, connection_id: ConnectionId) -> tide::Result<()> {
169 self.peer.disconnect(connection_id).await;
170 let removed_connection = self.state_mut().remove_connection(connection_id)?;
171
172 for (worktree_id, worktree) in removed_connection.hosted_worktrees {
173 if let Some(share) = worktree.share {
174 broadcast(
175 connection_id,
176 share.guest_connection_ids.keys().copied().collect(),
177 |conn_id| {
178 self.peer
179 .send(conn_id, proto::UnshareWorktree { worktree_id })
180 },
181 )
182 .await?;
183 }
184 }
185
186 for (worktree_id, peer_ids) in removed_connection.guest_worktree_ids {
187 broadcast(connection_id, peer_ids, |conn_id| {
188 self.peer.send(
189 conn_id,
190 proto::RemovePeer {
191 worktree_id,
192 peer_id: connection_id.0,
193 },
194 )
195 })
196 .await?;
197 }
198
199 self.update_collaborators_for_users(removed_connection.collaborator_ids.iter())
200 .await?;
201
202 Ok(())
203 }
204
205 async fn ping(self: Arc<Server>, request: TypedEnvelope<proto::Ping>) -> tide::Result<()> {
206 self.peer.respond(request.receipt(), proto::Ack {}).await?;
207 Ok(())
208 }
209
210 async fn open_worktree(
211 mut self: Arc<Server>,
212 request: TypedEnvelope<proto::OpenWorktree>,
213 ) -> tide::Result<()> {
214 let receipt = request.receipt();
215 let host_user_id = self.state().user_id_for_connection(request.sender_id)?;
216
217 let mut collaborator_user_ids = HashSet::new();
218 collaborator_user_ids.insert(host_user_id);
219 for github_login in request.payload.collaborator_logins {
220 match self.app_state.db.create_user(&github_login, false).await {
221 Ok(collaborator_user_id) => {
222 collaborator_user_ids.insert(collaborator_user_id);
223 }
224 Err(err) => {
225 let message = err.to_string();
226 self.peer
227 .respond_with_error(receipt, proto::Error { message })
228 .await?;
229 return Ok(());
230 }
231 }
232 }
233
234 let collaborator_user_ids = collaborator_user_ids.into_iter().collect::<Vec<_>>();
235 let worktree_id = self.state_mut().add_worktree(Worktree {
236 host_connection_id: request.sender_id,
237 collaborator_user_ids: collaborator_user_ids.clone(),
238 root_name: request.payload.root_name,
239 share: None,
240 });
241
242 self.peer
243 .respond(receipt, proto::OpenWorktreeResponse { worktree_id })
244 .await?;
245 self.update_collaborators_for_users(&collaborator_user_ids)
246 .await?;
247
248 Ok(())
249 }
250
251 async fn close_worktree(
252 mut self: Arc<Server>,
253 request: TypedEnvelope<proto::CloseWorktree>,
254 ) -> tide::Result<()> {
255 let worktree_id = request.payload.worktree_id;
256 let worktree = self
257 .state_mut()
258 .remove_worktree(worktree_id, request.sender_id)?;
259
260 if let Some(share) = worktree.share {
261 broadcast(
262 request.sender_id,
263 share.guest_connection_ids.keys().copied().collect(),
264 |conn_id| {
265 self.peer
266 .send(conn_id, proto::UnshareWorktree { worktree_id })
267 },
268 )
269 .await?;
270 }
271 self.update_collaborators_for_users(&worktree.collaborator_user_ids)
272 .await?;
273 Ok(())
274 }
275
276 async fn share_worktree(
277 mut self: Arc<Server>,
278 mut request: TypedEnvelope<proto::ShareWorktree>,
279 ) -> tide::Result<()> {
280 let worktree = request
281 .payload
282 .worktree
283 .as_mut()
284 .ok_or_else(|| anyhow!("missing worktree"))?;
285 let entries = mem::take(&mut worktree.entries)
286 .into_iter()
287 .map(|entry| (entry.id, entry))
288 .collect();
289
290 let collaborator_user_ids =
291 self.state_mut()
292 .share_worktree(worktree.id, request.sender_id, entries);
293 if let Some(collaborator_user_ids) = collaborator_user_ids {
294 self.peer
295 .respond(request.receipt(), proto::ShareWorktreeResponse {})
296 .await?;
297 self.update_collaborators_for_users(&collaborator_user_ids)
298 .await?;
299 } else {
300 self.peer
301 .respond_with_error(
302 request.receipt(),
303 proto::Error {
304 message: "no such worktree".to_string(),
305 },
306 )
307 .await?;
308 }
309 Ok(())
310 }
311
312 async fn unshare_worktree(
313 mut self: Arc<Server>,
314 request: TypedEnvelope<proto::UnshareWorktree>,
315 ) -> tide::Result<()> {
316 let worktree_id = request.payload.worktree_id;
317 let worktree = self
318 .state_mut()
319 .unshare_worktree(worktree_id, request.sender_id)?;
320
321 broadcast(request.sender_id, worktree.connection_ids, |conn_id| {
322 self.peer
323 .send(conn_id, proto::UnshareWorktree { worktree_id })
324 })
325 .await?;
326 self.update_collaborators_for_users(&worktree.collaborator_ids)
327 .await?;
328
329 Ok(())
330 }
331
332 async fn join_worktree(
333 mut self: Arc<Server>,
334 request: TypedEnvelope<proto::JoinWorktree>,
335 ) -> tide::Result<()> {
336 let worktree_id = request.payload.worktree_id;
337
338 let user_id = self.state().user_id_for_connection(request.sender_id)?;
339 let response_data = self
340 .state_mut()
341 .join_worktree(request.sender_id, user_id, worktree_id)
342 .and_then(|joined| {
343 let share = joined.worktree.share()?;
344 let peer_count = share.guest_connection_ids.len();
345 let mut peers = Vec::with_capacity(peer_count);
346 peers.push(proto::Peer {
347 peer_id: joined.worktree.host_connection_id.0,
348 replica_id: 0,
349 });
350 for (peer_conn_id, peer_replica_id) in &share.guest_connection_ids {
351 if *peer_conn_id != request.sender_id {
352 peers.push(proto::Peer {
353 peer_id: peer_conn_id.0,
354 replica_id: *peer_replica_id as u32,
355 });
356 }
357 }
358 let response = proto::JoinWorktreeResponse {
359 worktree: Some(proto::Worktree {
360 id: worktree_id,
361 root_name: joined.worktree.root_name.clone(),
362 entries: share.entries.values().cloned().collect(),
363 }),
364 replica_id: joined.replica_id as u32,
365 peers,
366 };
367 let connection_ids = joined.worktree.connection_ids();
368 let collaborator_user_ids = joined.worktree.collaborator_user_ids.clone();
369 Ok((response, connection_ids, collaborator_user_ids))
370 });
371
372 match response_data {
373 Ok((response, connection_ids, collaborator_user_ids)) => {
374 broadcast(request.sender_id, connection_ids, |conn_id| {
375 self.peer.send(
376 conn_id,
377 proto::AddPeer {
378 worktree_id,
379 peer: Some(proto::Peer {
380 peer_id: request.sender_id.0,
381 replica_id: response.replica_id,
382 }),
383 },
384 )
385 })
386 .await?;
387 self.peer.respond(request.receipt(), response).await?;
388 self.update_collaborators_for_users(&collaborator_user_ids)
389 .await?;
390 }
391 Err(error) => {
392 self.peer
393 .respond_with_error(
394 request.receipt(),
395 proto::Error {
396 message: error.to_string(),
397 },
398 )
399 .await?;
400 }
401 }
402
403 Ok(())
404 }
405
406 async fn leave_worktree(
407 mut self: Arc<Server>,
408 request: TypedEnvelope<proto::LeaveWorktree>,
409 ) -> tide::Result<()> {
410 let sender_id = request.sender_id;
411 let worktree_id = request.payload.worktree_id;
412 let worktree = self.state_mut().leave_worktree(sender_id, worktree_id);
413 if let Some(worktree) = worktree {
414 broadcast(sender_id, worktree.connection_ids, |conn_id| {
415 self.peer.send(
416 conn_id,
417 proto::RemovePeer {
418 worktree_id,
419 peer_id: sender_id.0,
420 },
421 )
422 })
423 .await?;
424 self.update_collaborators_for_users(&worktree.collaborator_ids)
425 .await?;
426 }
427 Ok(())
428 }
429
430 async fn update_worktree(
431 mut self: Arc<Server>,
432 request: TypedEnvelope<proto::UpdateWorktree>,
433 ) -> tide::Result<()> {
434 let connection_ids = self.state_mut().update_worktree(
435 request.sender_id,
436 request.payload.worktree_id,
437 &request.payload.removed_entries,
438 &request.payload.updated_entries,
439 )?;
440
441 broadcast(request.sender_id, connection_ids, |connection_id| {
442 self.peer
443 .forward_send(request.sender_id, connection_id, request.payload.clone())
444 })
445 .await?;
446
447 Ok(())
448 }
449
450 async fn open_buffer(
451 self: Arc<Server>,
452 request: TypedEnvelope<proto::OpenBuffer>,
453 ) -> tide::Result<()> {
454 let receipt = request.receipt();
455 let host_connection_id = self
456 .state()
457 .worktree_host_connection_id(request.sender_id, request.payload.worktree_id)?;
458 let response = self
459 .peer
460 .forward_request(request.sender_id, host_connection_id, request.payload)
461 .await?;
462 self.peer.respond(receipt, response).await?;
463 Ok(())
464 }
465
466 async fn close_buffer(
467 self: Arc<Server>,
468 request: TypedEnvelope<proto::CloseBuffer>,
469 ) -> tide::Result<()> {
470 let host_connection_id = self
471 .state()
472 .worktree_host_connection_id(request.sender_id, request.payload.worktree_id)?;
473 self.peer
474 .forward_send(request.sender_id, host_connection_id, request.payload)
475 .await?;
476 Ok(())
477 }
478
479 async fn save_buffer(
480 self: Arc<Server>,
481 request: TypedEnvelope<proto::SaveBuffer>,
482 ) -> tide::Result<()> {
483 let host;
484 let guests;
485 {
486 let state = self.state();
487 host = state
488 .worktree_host_connection_id(request.sender_id, request.payload.worktree_id)?;
489 guests = state
490 .worktree_guest_connection_ids(request.sender_id, request.payload.worktree_id)?;
491 }
492
493 let sender = request.sender_id;
494 let receipt = request.receipt();
495 let response = self
496 .peer
497 .forward_request(sender, host, request.payload.clone())
498 .await?;
499
500 broadcast(host, guests, |conn_id| {
501 let response = response.clone();
502 let peer = &self.peer;
503 async move {
504 if conn_id == sender {
505 peer.respond(receipt, response).await
506 } else {
507 peer.forward_send(host, conn_id, response).await
508 }
509 }
510 })
511 .await?;
512
513 Ok(())
514 }
515
516 async fn update_buffer(
517 self: Arc<Server>,
518 request: TypedEnvelope<proto::UpdateBuffer>,
519 ) -> tide::Result<()> {
520 let receiver_ids = self
521 .state()
522 .worktree_connection_ids(request.sender_id, request.payload.worktree_id)?;
523 broadcast(request.sender_id, receiver_ids, |connection_id| {
524 self.peer
525 .forward_send(request.sender_id, connection_id, request.payload.clone())
526 })
527 .await?;
528 self.peer.respond(request.receipt(), proto::Ack {}).await?;
529 Ok(())
530 }
531
532 async fn buffer_saved(
533 self: Arc<Server>,
534 request: TypedEnvelope<proto::BufferSaved>,
535 ) -> tide::Result<()> {
536 let receiver_ids = self
537 .state()
538 .worktree_connection_ids(request.sender_id, request.payload.worktree_id)?;
539 broadcast(request.sender_id, receiver_ids, |connection_id| {
540 self.peer
541 .forward_send(request.sender_id, connection_id, request.payload.clone())
542 })
543 .await?;
544 Ok(())
545 }
546
547 async fn get_channels(
548 self: Arc<Server>,
549 request: TypedEnvelope<proto::GetChannels>,
550 ) -> tide::Result<()> {
551 let user_id = self.state().user_id_for_connection(request.sender_id)?;
552 let channels = self.app_state.db.get_accessible_channels(user_id).await?;
553 self.peer
554 .respond(
555 request.receipt(),
556 proto::GetChannelsResponse {
557 channels: channels
558 .into_iter()
559 .map(|chan| proto::Channel {
560 id: chan.id.to_proto(),
561 name: chan.name,
562 })
563 .collect(),
564 },
565 )
566 .await?;
567 Ok(())
568 }
569
570 async fn get_users(
571 self: Arc<Server>,
572 request: TypedEnvelope<proto::GetUsers>,
573 ) -> tide::Result<()> {
574 let receipt = request.receipt();
575 let user_ids = request.payload.user_ids.into_iter().map(UserId::from_proto);
576 let users = self
577 .app_state
578 .db
579 .get_users_by_ids(user_ids)
580 .await?
581 .into_iter()
582 .map(|user| proto::User {
583 id: user.id.to_proto(),
584 avatar_url: format!("https://github.com/{}.png?size=128", user.github_login),
585 github_login: user.github_login,
586 })
587 .collect();
588 self.peer
589 .respond(receipt, proto::GetUsersResponse { users })
590 .await?;
591 Ok(())
592 }
593
594 async fn update_collaborators_for_users<'a>(
595 self: &Arc<Server>,
596 user_ids: impl IntoIterator<Item = &'a UserId>,
597 ) -> tide::Result<()> {
598 let mut send_futures = Vec::new();
599
600 {
601 let state = self.state();
602 for user_id in user_ids {
603 let collaborators = state.collaborators_for_user(*user_id);
604 for connection_id in state.connection_ids_for_user(*user_id) {
605 send_futures.push(self.peer.send(
606 connection_id,
607 proto::UpdateCollaborators {
608 collaborators: collaborators.clone(),
609 },
610 ));
611 }
612 }
613 }
614 futures::future::try_join_all(send_futures).await?;
615
616 Ok(())
617 }
618
619 async fn join_channel(
620 mut self: Arc<Self>,
621 request: TypedEnvelope<proto::JoinChannel>,
622 ) -> tide::Result<()> {
623 let user_id = self.state().user_id_for_connection(request.sender_id)?;
624 let channel_id = ChannelId::from_proto(request.payload.channel_id);
625 if !self
626 .app_state
627 .db
628 .can_user_access_channel(user_id, channel_id)
629 .await?
630 {
631 Err(anyhow!("access denied"))?;
632 }
633
634 self.state_mut().join_channel(request.sender_id, channel_id);
635 let messages = self
636 .app_state
637 .db
638 .get_channel_messages(channel_id, MESSAGE_COUNT_PER_PAGE, None)
639 .await?
640 .into_iter()
641 .map(|msg| proto::ChannelMessage {
642 id: msg.id.to_proto(),
643 body: msg.body,
644 timestamp: msg.sent_at.unix_timestamp() as u64,
645 sender_id: msg.sender_id.to_proto(),
646 nonce: Some(msg.nonce.as_u128().into()),
647 })
648 .collect::<Vec<_>>();
649 self.peer
650 .respond(
651 request.receipt(),
652 proto::JoinChannelResponse {
653 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
654 messages,
655 },
656 )
657 .await?;
658 Ok(())
659 }
660
661 async fn leave_channel(
662 mut self: Arc<Self>,
663 request: TypedEnvelope<proto::LeaveChannel>,
664 ) -> tide::Result<()> {
665 let user_id = self.state().user_id_for_connection(request.sender_id)?;
666 let channel_id = ChannelId::from_proto(request.payload.channel_id);
667 if !self
668 .app_state
669 .db
670 .can_user_access_channel(user_id, channel_id)
671 .await?
672 {
673 Err(anyhow!("access denied"))?;
674 }
675
676 self.state_mut()
677 .leave_channel(request.sender_id, channel_id);
678
679 Ok(())
680 }
681
682 async fn send_channel_message(
683 self: Arc<Self>,
684 request: TypedEnvelope<proto::SendChannelMessage>,
685 ) -> tide::Result<()> {
686 let receipt = request.receipt();
687 let channel_id = ChannelId::from_proto(request.payload.channel_id);
688 let user_id;
689 let connection_ids;
690 {
691 let state = self.state();
692 user_id = state.user_id_for_connection(request.sender_id)?;
693 if let Some(ids) = state.channel_connection_ids(channel_id) {
694 connection_ids = ids;
695 } else {
696 return Ok(());
697 }
698 }
699
700 // Validate the message body.
701 let body = request.payload.body.trim().to_string();
702 if body.len() > MAX_MESSAGE_LEN {
703 self.peer
704 .respond_with_error(
705 receipt,
706 proto::Error {
707 message: "message is too long".to_string(),
708 },
709 )
710 .await?;
711 return Ok(());
712 }
713 if body.is_empty() {
714 self.peer
715 .respond_with_error(
716 receipt,
717 proto::Error {
718 message: "message can't be blank".to_string(),
719 },
720 )
721 .await?;
722 return Ok(());
723 }
724
725 let timestamp = OffsetDateTime::now_utc();
726 let nonce = if let Some(nonce) = request.payload.nonce {
727 nonce
728 } else {
729 self.peer
730 .respond_with_error(
731 receipt,
732 proto::Error {
733 message: "nonce can't be blank".to_string(),
734 },
735 )
736 .await?;
737 return Ok(());
738 };
739
740 let message_id = self
741 .app_state
742 .db
743 .create_channel_message(channel_id, user_id, &body, timestamp, nonce.clone().into())
744 .await?
745 .to_proto();
746 let message = proto::ChannelMessage {
747 sender_id: user_id.to_proto(),
748 id: message_id,
749 body,
750 timestamp: timestamp.unix_timestamp() as u64,
751 nonce: Some(nonce),
752 };
753 broadcast(request.sender_id, connection_ids, |conn_id| {
754 self.peer.send(
755 conn_id,
756 proto::ChannelMessageSent {
757 channel_id: channel_id.to_proto(),
758 message: Some(message.clone()),
759 },
760 )
761 })
762 .await?;
763 self.peer
764 .respond(
765 receipt,
766 proto::SendChannelMessageResponse {
767 message: Some(message),
768 },
769 )
770 .await?;
771 Ok(())
772 }
773
774 async fn get_channel_messages(
775 self: Arc<Self>,
776 request: TypedEnvelope<proto::GetChannelMessages>,
777 ) -> tide::Result<()> {
778 let user_id = self.state().user_id_for_connection(request.sender_id)?;
779 let channel_id = ChannelId::from_proto(request.payload.channel_id);
780 if !self
781 .app_state
782 .db
783 .can_user_access_channel(user_id, channel_id)
784 .await?
785 {
786 Err(anyhow!("access denied"))?;
787 }
788
789 let messages = self
790 .app_state
791 .db
792 .get_channel_messages(
793 channel_id,
794 MESSAGE_COUNT_PER_PAGE,
795 Some(MessageId::from_proto(request.payload.before_message_id)),
796 )
797 .await?
798 .into_iter()
799 .map(|msg| proto::ChannelMessage {
800 id: msg.id.to_proto(),
801 body: msg.body,
802 timestamp: msg.sent_at.unix_timestamp() as u64,
803 sender_id: msg.sender_id.to_proto(),
804 nonce: Some(msg.nonce.as_u128().into()),
805 })
806 .collect::<Vec<_>>();
807 self.peer
808 .respond(
809 request.receipt(),
810 proto::GetChannelMessagesResponse {
811 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
812 messages,
813 },
814 )
815 .await?;
816 Ok(())
817 }
818
819 fn state<'a>(self: &'a Arc<Self>) -> RwLockReadGuard<'a, Store> {
820 self.store.read()
821 }
822
823 fn state_mut<'a>(self: &'a mut Arc<Self>) -> RwLockWriteGuard<'a, Store> {
824 self.store.write()
825 }
826}
827
828pub async fn broadcast<F, T>(
829 sender_id: ConnectionId,
830 receiver_ids: Vec<ConnectionId>,
831 mut f: F,
832) -> anyhow::Result<()>
833where
834 F: FnMut(ConnectionId) -> T,
835 T: Future<Output = anyhow::Result<()>>,
836{
837 let futures = receiver_ids
838 .into_iter()
839 .filter(|id| *id != sender_id)
840 .map(|id| f(id));
841 futures::future::try_join_all(futures).await?;
842 Ok(())
843}
844
845pub fn add_routes(app: &mut tide::Server<Arc<AppState>>, rpc: &Arc<Peer>) {
846 let server = Server::new(app.state().clone(), rpc.clone(), None);
847 app.at("/rpc").get(move |request: Request<Arc<AppState>>| {
848 let server = server.clone();
849 async move {
850 const WEBSOCKET_GUID: &str = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
851
852 let connection_upgrade = header_contains_ignore_case(&request, CONNECTION, "upgrade");
853 let upgrade_to_websocket = header_contains_ignore_case(&request, UPGRADE, "websocket");
854 let upgrade_requested = connection_upgrade && upgrade_to_websocket;
855 let client_protocol_version: Option<u32> = request
856 .header("X-Zed-Protocol-Version")
857 .and_then(|v| v.as_str().parse().ok());
858
859 if !upgrade_requested || client_protocol_version != Some(rpc::PROTOCOL_VERSION) {
860 return Ok(Response::new(StatusCode::UpgradeRequired));
861 }
862
863 let header = match request.header("Sec-Websocket-Key") {
864 Some(h) => h.as_str(),
865 None => return Err(anyhow!("expected sec-websocket-key"))?,
866 };
867
868 let user_id = process_auth_header(&request).await?;
869
870 let mut response = Response::new(StatusCode::SwitchingProtocols);
871 response.insert_header(UPGRADE, "websocket");
872 response.insert_header(CONNECTION, "Upgrade");
873 let hash = Sha1::new().chain(header).chain(WEBSOCKET_GUID).finalize();
874 response.insert_header("Sec-Websocket-Accept", base64::encode(&hash[..]));
875 response.insert_header("Sec-Websocket-Version", "13");
876
877 let http_res: &mut tide::http::Response = response.as_mut();
878 let upgrade_receiver = http_res.recv_upgrade().await;
879 let addr = request.remote().unwrap_or("unknown").to_string();
880 task::spawn(async move {
881 if let Some(stream) = upgrade_receiver.await {
882 server
883 .handle_connection(
884 Connection::new(
885 WebSocketStream::from_raw_socket(stream, Role::Server, None).await,
886 ),
887 addr,
888 user_id,
889 )
890 .await;
891 }
892 });
893
894 Ok(response)
895 }
896 });
897}
898
899fn header_contains_ignore_case<T>(
900 request: &tide::Request<T>,
901 header_name: HeaderName,
902 value: &str,
903) -> bool {
904 request
905 .header(header_name)
906 .map(|h| {
907 h.as_str()
908 .split(',')
909 .any(|s| s.trim().eq_ignore_ascii_case(value.trim()))
910 })
911 .unwrap_or(false)
912}
913
914#[cfg(test)]
915mod tests {
916 use super::*;
917 use crate::{
918 auth,
919 db::{tests::TestDb, UserId},
920 github, AppState, Config,
921 };
922 use ::rpc::Peer;
923 use async_std::task;
924 use gpui::{ModelHandle, TestAppContext};
925 use parking_lot::Mutex;
926 use postage::{mpsc, watch};
927 use serde_json::json;
928 use sqlx::types::time::OffsetDateTime;
929 use std::{
930 path::Path,
931 sync::{
932 atomic::{AtomicBool, Ordering::SeqCst},
933 Arc,
934 },
935 time::Duration,
936 };
937 use zed::{
938 client::{
939 self, test::FakeHttpClient, Channel, ChannelDetails, ChannelList, Client, Credentials,
940 EstablishConnectionError, UserStore,
941 },
942 editor::{Editor, EditorSettings, Input},
943 fs::{FakeFs, Fs as _},
944 language::{
945 tree_sitter_rust, Diagnostic, Language, LanguageConfig, LanguageRegistry,
946 LanguageServerConfig, Point,
947 },
948 lsp,
949 people_panel::JoinWorktree,
950 project::{ProjectPath, Worktree},
951 workspace::{Workspace, WorkspaceParams},
952 };
953
954 #[gpui::test]
955 async fn test_share_worktree(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
956 let (window_b, _) = cx_b.add_window(|_| EmptyView);
957 let lang_registry = Arc::new(LanguageRegistry::new());
958
959 // Connect to a server as 2 clients.
960 let mut server = TestServer::start().await;
961 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
962 let (client_b, _) = server.create_client(&mut cx_b, "user_b").await;
963
964 cx_a.foreground().forbid_parking();
965
966 // Share a local worktree as client A
967 let fs = Arc::new(FakeFs::new());
968 fs.insert_tree(
969 "/a",
970 json!({
971 ".zed.toml": r#"collaborators = ["user_b"]"#,
972 "a.txt": "a-contents",
973 "b.txt": "b-contents",
974 }),
975 )
976 .await;
977 let worktree_a = Worktree::open_local(
978 client_a.clone(),
979 "/a".as_ref(),
980 fs,
981 lang_registry.clone(),
982 &mut cx_a.to_async(),
983 )
984 .await
985 .unwrap();
986 worktree_a
987 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
988 .await;
989 let worktree_id = worktree_a
990 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
991 .await
992 .unwrap();
993
994 // Join that worktree as client B, and see that a guest has joined as client A.
995 let worktree_b = Worktree::open_remote(
996 client_b.clone(),
997 worktree_id,
998 lang_registry.clone(),
999 &mut cx_b.to_async(),
1000 )
1001 .await
1002 .unwrap();
1003 let replica_id_b = worktree_b.read_with(&cx_b, |tree, _| tree.replica_id());
1004 worktree_a
1005 .condition(&cx_a, |tree, _| {
1006 tree.peers()
1007 .values()
1008 .any(|replica_id| *replica_id == replica_id_b)
1009 })
1010 .await;
1011
1012 // Open the same file as client B and client A.
1013 let buffer_b = worktree_b
1014 .update(&mut cx_b, |worktree, cx| worktree.open_buffer("b.txt", cx))
1015 .await
1016 .unwrap();
1017 buffer_b.read_with(&cx_b, |buf, _| assert_eq!(buf.text(), "b-contents"));
1018 worktree_a.read_with(&cx_a, |tree, cx| assert!(tree.has_open_buffer("b.txt", cx)));
1019 let buffer_a = worktree_a
1020 .update(&mut cx_a, |tree, cx| tree.open_buffer("b.txt", cx))
1021 .await
1022 .unwrap();
1023
1024 // Create a selection set as client B and see that selection set as client A.
1025 let editor_b = cx_b.add_view(window_b, |cx| {
1026 Editor::for_buffer(buffer_b, |cx| EditorSettings::test(cx), cx)
1027 });
1028 buffer_a
1029 .condition(&cx_a, |buffer, _| buffer.selection_sets().count() == 1)
1030 .await;
1031
1032 // Edit the buffer as client B and see that edit as client A.
1033 editor_b.update(&mut cx_b, |editor, cx| {
1034 editor.handle_input(&Input("ok, ".into()), cx)
1035 });
1036 buffer_a
1037 .condition(&cx_a, |buffer, _| buffer.text() == "ok, b-contents")
1038 .await;
1039
1040 // Remove the selection set as client B, see those selections disappear as client A.
1041 cx_b.update(move |_| drop(editor_b));
1042 buffer_a
1043 .condition(&cx_a, |buffer, _| buffer.selection_sets().count() == 0)
1044 .await;
1045
1046 // Close the buffer as client A, see that the buffer is closed.
1047 cx_a.update(move |_| drop(buffer_a));
1048 worktree_a
1049 .condition(&cx_a, |tree, cx| !tree.has_open_buffer("b.txt", cx))
1050 .await;
1051
1052 // Dropping the worktree removes client B from client A's peers.
1053 cx_b.update(move |_| drop(worktree_b));
1054 worktree_a
1055 .condition(&cx_a, |tree, _| tree.peers().is_empty())
1056 .await;
1057 }
1058
1059 #[gpui::test]
1060 async fn test_unshare_worktree(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1061 cx_b.update(zed::people_panel::init);
1062 let lang_registry = Arc::new(LanguageRegistry::new());
1063
1064 // Connect to a server as 2 clients.
1065 let mut server = TestServer::start().await;
1066 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
1067 let (client_b, user_store_b) = server.create_client(&mut cx_b, "user_b").await;
1068 let mut workspace_b_params = cx_b.update(WorkspaceParams::test);
1069 workspace_b_params.client = client_b;
1070 workspace_b_params.user_store = user_store_b;
1071
1072 cx_a.foreground().forbid_parking();
1073
1074 // Share a local worktree as client A
1075 let fs = Arc::new(FakeFs::new());
1076 fs.insert_tree(
1077 "/a",
1078 json!({
1079 ".zed.toml": r#"collaborators = ["user_b"]"#,
1080 "a.txt": "a-contents",
1081 "b.txt": "b-contents",
1082 }),
1083 )
1084 .await;
1085 let worktree_a = Worktree::open_local(
1086 client_a.clone(),
1087 "/a".as_ref(),
1088 fs,
1089 lang_registry.clone(),
1090 &mut cx_a.to_async(),
1091 )
1092 .await
1093 .unwrap();
1094 worktree_a
1095 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1096 .await;
1097
1098 let remote_worktree_id = worktree_a
1099 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1100 .await
1101 .unwrap();
1102
1103 let (window_b, workspace_b) = cx_b.add_window(|cx| Workspace::new(&workspace_b_params, cx));
1104 cx_b.update(|cx| {
1105 cx.dispatch_action(
1106 window_b,
1107 vec![workspace_b.id()],
1108 &JoinWorktree(remote_worktree_id),
1109 );
1110 });
1111 workspace_b
1112 .condition(&cx_b, |workspace, cx| workspace.worktrees(cx).len() == 1)
1113 .await;
1114
1115 let local_worktree_id_b = workspace_b.read_with(&cx_b, |workspace, cx| {
1116 let active_pane = workspace.active_pane().read(cx);
1117 assert!(active_pane.active_item().is_none());
1118 workspace.worktrees(cx).first().unwrap().id()
1119 });
1120 workspace_b
1121 .update(&mut cx_b, |workspace, cx| {
1122 workspace.open_entry(
1123 ProjectPath {
1124 worktree_id: local_worktree_id_b,
1125 path: Path::new("a.txt").into(),
1126 },
1127 cx,
1128 )
1129 })
1130 .unwrap()
1131 .await;
1132 workspace_b.read_with(&cx_b, |workspace, cx| {
1133 let active_pane = workspace.active_pane().read(cx);
1134 assert!(active_pane.active_item().is_some());
1135 });
1136
1137 worktree_a.update(&mut cx_a, |tree, cx| {
1138 tree.as_local_mut().unwrap().unshare(cx);
1139 });
1140 workspace_b
1141 .condition(&cx_b, |workspace, cx| workspace.worktrees(cx).len() == 0)
1142 .await;
1143 workspace_b.read_with(&cx_b, |workspace, cx| {
1144 let active_pane = workspace.active_pane().read(cx);
1145 assert!(active_pane.active_item().is_none());
1146 });
1147 }
1148
1149 #[gpui::test]
1150 async fn test_propagate_saves_and_fs_changes_in_shared_worktree(
1151 mut cx_a: TestAppContext,
1152 mut cx_b: TestAppContext,
1153 mut cx_c: TestAppContext,
1154 ) {
1155 cx_a.foreground().forbid_parking();
1156 let lang_registry = Arc::new(LanguageRegistry::new());
1157
1158 // Connect to a server as 3 clients.
1159 let mut server = TestServer::start().await;
1160 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
1161 let (client_b, _) = server.create_client(&mut cx_b, "user_b").await;
1162 let (client_c, _) = server.create_client(&mut cx_c, "user_c").await;
1163
1164 let fs = Arc::new(FakeFs::new());
1165
1166 // Share a worktree as client A.
1167 fs.insert_tree(
1168 "/a",
1169 json!({
1170 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
1171 "file1": "",
1172 "file2": ""
1173 }),
1174 )
1175 .await;
1176
1177 let worktree_a = Worktree::open_local(
1178 client_a.clone(),
1179 "/a".as_ref(),
1180 fs.clone(),
1181 lang_registry.clone(),
1182 &mut cx_a.to_async(),
1183 )
1184 .await
1185 .unwrap();
1186 worktree_a
1187 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1188 .await;
1189 let worktree_id = worktree_a
1190 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1191 .await
1192 .unwrap();
1193
1194 // Join that worktree as clients B and C.
1195 let worktree_b = Worktree::open_remote(
1196 client_b.clone(),
1197 worktree_id,
1198 lang_registry.clone(),
1199 &mut cx_b.to_async(),
1200 )
1201 .await
1202 .unwrap();
1203 let worktree_c = Worktree::open_remote(
1204 client_c.clone(),
1205 worktree_id,
1206 lang_registry.clone(),
1207 &mut cx_c.to_async(),
1208 )
1209 .await
1210 .unwrap();
1211
1212 // Open and edit a buffer as both guests B and C.
1213 let buffer_b = worktree_b
1214 .update(&mut cx_b, |tree, cx| tree.open_buffer("file1", cx))
1215 .await
1216 .unwrap();
1217 let buffer_c = worktree_c
1218 .update(&mut cx_c, |tree, cx| tree.open_buffer("file1", cx))
1219 .await
1220 .unwrap();
1221 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "i-am-b, ", cx));
1222 buffer_c.update(&mut cx_c, |buf, cx| buf.edit([0..0], "i-am-c, ", cx));
1223
1224 // Open and edit that buffer as the host.
1225 let buffer_a = worktree_a
1226 .update(&mut cx_a, |tree, cx| tree.open_buffer("file1", cx))
1227 .await
1228 .unwrap();
1229
1230 buffer_a
1231 .condition(&mut cx_a, |buf, _| buf.text() == "i-am-c, i-am-b, ")
1232 .await;
1233 buffer_a.update(&mut cx_a, |buf, cx| {
1234 buf.edit([buf.len()..buf.len()], "i-am-a", cx)
1235 });
1236
1237 // Wait for edits to propagate
1238 buffer_a
1239 .condition(&mut cx_a, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1240 .await;
1241 buffer_b
1242 .condition(&mut cx_b, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1243 .await;
1244 buffer_c
1245 .condition(&mut cx_c, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1246 .await;
1247
1248 // Edit the buffer as the host and concurrently save as guest B.
1249 let save_b = buffer_b.update(&mut cx_b, |buf, cx| buf.save(cx).unwrap());
1250 buffer_a.update(&mut cx_a, |buf, cx| buf.edit([0..0], "hi-a, ", cx));
1251 save_b.await.unwrap();
1252 assert_eq!(
1253 fs.load("/a/file1".as_ref()).await.unwrap(),
1254 "hi-a, i-am-c, i-am-b, i-am-a"
1255 );
1256 buffer_a.read_with(&cx_a, |buf, _| assert!(!buf.is_dirty()));
1257 buffer_b.read_with(&cx_b, |buf, _| assert!(!buf.is_dirty()));
1258 buffer_c.condition(&cx_c, |buf, _| !buf.is_dirty()).await;
1259
1260 // Make changes on host's file system, see those changes on the guests.
1261 fs.rename("/a/file2".as_ref(), "/a/file3".as_ref())
1262 .await
1263 .unwrap();
1264 fs.insert_file(Path::new("/a/file4"), "4".into())
1265 .await
1266 .unwrap();
1267
1268 worktree_b
1269 .condition(&cx_b, |tree, _| tree.file_count() == 4)
1270 .await;
1271 worktree_c
1272 .condition(&cx_c, |tree, _| tree.file_count() == 4)
1273 .await;
1274 worktree_b.read_with(&cx_b, |tree, _| {
1275 assert_eq!(
1276 tree.paths()
1277 .map(|p| p.to_string_lossy())
1278 .collect::<Vec<_>>(),
1279 &[".zed.toml", "file1", "file3", "file4"]
1280 )
1281 });
1282 worktree_c.read_with(&cx_c, |tree, _| {
1283 assert_eq!(
1284 tree.paths()
1285 .map(|p| p.to_string_lossy())
1286 .collect::<Vec<_>>(),
1287 &[".zed.toml", "file1", "file3", "file4"]
1288 )
1289 });
1290 }
1291
1292 #[gpui::test]
1293 async fn test_buffer_conflict_after_save(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1294 cx_a.foreground().forbid_parking();
1295 let lang_registry = Arc::new(LanguageRegistry::new());
1296
1297 // Connect to a server as 2 clients.
1298 let mut server = TestServer::start().await;
1299 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
1300 let (client_b, _) = server.create_client(&mut cx_b, "user_b").await;
1301
1302 // Share a local worktree as client A
1303 let fs = Arc::new(FakeFs::new());
1304 fs.insert_tree(
1305 "/dir",
1306 json!({
1307 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
1308 "a.txt": "a-contents",
1309 }),
1310 )
1311 .await;
1312
1313 let worktree_a = Worktree::open_local(
1314 client_a.clone(),
1315 "/dir".as_ref(),
1316 fs,
1317 lang_registry.clone(),
1318 &mut cx_a.to_async(),
1319 )
1320 .await
1321 .unwrap();
1322 worktree_a
1323 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1324 .await;
1325 let worktree_id = worktree_a
1326 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1327 .await
1328 .unwrap();
1329
1330 // Join that worktree as client B, and see that a guest has joined as client A.
1331 let worktree_b = Worktree::open_remote(
1332 client_b.clone(),
1333 worktree_id,
1334 lang_registry.clone(),
1335 &mut cx_b.to_async(),
1336 )
1337 .await
1338 .unwrap();
1339
1340 let buffer_b = worktree_b
1341 .update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx))
1342 .await
1343 .unwrap();
1344 let mtime = buffer_b.read_with(&cx_b, |buf, _| buf.file().unwrap().mtime());
1345
1346 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "world ", cx));
1347 buffer_b.read_with(&cx_b, |buf, _| {
1348 assert!(buf.is_dirty());
1349 assert!(!buf.has_conflict());
1350 });
1351
1352 buffer_b
1353 .update(&mut cx_b, |buf, cx| buf.save(cx))
1354 .unwrap()
1355 .await
1356 .unwrap();
1357 worktree_b
1358 .condition(&cx_b, |_, cx| {
1359 buffer_b.read(cx).file().unwrap().mtime() != mtime
1360 })
1361 .await;
1362 buffer_b.read_with(&cx_b, |buf, _| {
1363 assert!(!buf.is_dirty());
1364 assert!(!buf.has_conflict());
1365 });
1366
1367 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "hello ", cx));
1368 buffer_b.read_with(&cx_b, |buf, _| {
1369 assert!(buf.is_dirty());
1370 assert!(!buf.has_conflict());
1371 });
1372 }
1373
1374 #[gpui::test]
1375 async fn test_editing_while_guest_opens_buffer(
1376 mut cx_a: TestAppContext,
1377 mut cx_b: TestAppContext,
1378 ) {
1379 cx_a.foreground().forbid_parking();
1380 let lang_registry = Arc::new(LanguageRegistry::new());
1381
1382 // Connect to a server as 2 clients.
1383 let mut server = TestServer::start().await;
1384 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
1385 let (client_b, _) = server.create_client(&mut cx_b, "user_b").await;
1386
1387 // Share a local worktree as client A
1388 let fs = Arc::new(FakeFs::new());
1389 fs.insert_tree(
1390 "/dir",
1391 json!({
1392 ".zed.toml": r#"collaborators = ["user_b"]"#,
1393 "a.txt": "a-contents",
1394 }),
1395 )
1396 .await;
1397 let worktree_a = Worktree::open_local(
1398 client_a.clone(),
1399 "/dir".as_ref(),
1400 fs,
1401 lang_registry.clone(),
1402 &mut cx_a.to_async(),
1403 )
1404 .await
1405 .unwrap();
1406 worktree_a
1407 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1408 .await;
1409 let worktree_id = worktree_a
1410 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1411 .await
1412 .unwrap();
1413
1414 // Join that worktree as client B, and see that a guest has joined as client A.
1415 let worktree_b = Worktree::open_remote(
1416 client_b.clone(),
1417 worktree_id,
1418 lang_registry.clone(),
1419 &mut cx_b.to_async(),
1420 )
1421 .await
1422 .unwrap();
1423
1424 let buffer_a = worktree_a
1425 .update(&mut cx_a, |tree, cx| tree.open_buffer("a.txt", cx))
1426 .await
1427 .unwrap();
1428 let buffer_b = cx_b
1429 .background()
1430 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx)));
1431
1432 task::yield_now().await;
1433 buffer_a.update(&mut cx_a, |buf, cx| buf.edit([0..0], "z", cx));
1434
1435 let text = buffer_a.read_with(&cx_a, |buf, _| buf.text());
1436 let buffer_b = buffer_b.await.unwrap();
1437 buffer_b.condition(&cx_b, |buf, _| buf.text() == text).await;
1438 }
1439
1440 #[gpui::test]
1441 async fn test_leaving_worktree_while_opening_buffer(
1442 mut cx_a: TestAppContext,
1443 mut cx_b: TestAppContext,
1444 ) {
1445 cx_a.foreground().forbid_parking();
1446 let lang_registry = Arc::new(LanguageRegistry::new());
1447
1448 // Connect to a server as 2 clients.
1449 let mut server = TestServer::start().await;
1450 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
1451 let (client_b, _) = server.create_client(&mut cx_b, "user_b").await;
1452
1453 // Share a local worktree as client A
1454 let fs = Arc::new(FakeFs::new());
1455 fs.insert_tree(
1456 "/dir",
1457 json!({
1458 ".zed.toml": r#"collaborators = ["user_b"]"#,
1459 "a.txt": "a-contents",
1460 }),
1461 )
1462 .await;
1463 let worktree_a = Worktree::open_local(
1464 client_a.clone(),
1465 "/dir".as_ref(),
1466 fs,
1467 lang_registry.clone(),
1468 &mut cx_a.to_async(),
1469 )
1470 .await
1471 .unwrap();
1472 worktree_a
1473 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1474 .await;
1475 let worktree_id = worktree_a
1476 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1477 .await
1478 .unwrap();
1479
1480 // Join that worktree as client B, and see that a guest has joined as client A.
1481 let worktree_b = Worktree::open_remote(
1482 client_b.clone(),
1483 worktree_id,
1484 lang_registry.clone(),
1485 &mut cx_b.to_async(),
1486 )
1487 .await
1488 .unwrap();
1489 worktree_a
1490 .condition(&cx_a, |tree, _| tree.peers().len() == 1)
1491 .await;
1492
1493 let buffer_b = cx_b
1494 .background()
1495 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx)));
1496 cx_b.update(|_| drop(worktree_b));
1497 drop(buffer_b);
1498 worktree_a
1499 .condition(&cx_a, |tree, _| tree.peers().len() == 0)
1500 .await;
1501 }
1502
1503 #[gpui::test]
1504 async fn test_peer_disconnection(mut cx_a: TestAppContext, cx_b: TestAppContext) {
1505 cx_a.foreground().forbid_parking();
1506 let lang_registry = Arc::new(LanguageRegistry::new());
1507
1508 // Connect to a server as 2 clients.
1509 let mut server = TestServer::start().await;
1510 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
1511 let (client_b, _) = server.create_client(&mut cx_a, "user_b").await;
1512
1513 // Share a local worktree as client A
1514 let fs = Arc::new(FakeFs::new());
1515 fs.insert_tree(
1516 "/a",
1517 json!({
1518 ".zed.toml": r#"collaborators = ["user_b"]"#,
1519 "a.txt": "a-contents",
1520 "b.txt": "b-contents",
1521 }),
1522 )
1523 .await;
1524 let worktree_a = Worktree::open_local(
1525 client_a.clone(),
1526 "/a".as_ref(),
1527 fs,
1528 lang_registry.clone(),
1529 &mut cx_a.to_async(),
1530 )
1531 .await
1532 .unwrap();
1533 worktree_a
1534 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1535 .await;
1536 let worktree_id = worktree_a
1537 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1538 .await
1539 .unwrap();
1540
1541 // Join that worktree as client B, and see that a guest has joined as client A.
1542 let _worktree_b = Worktree::open_remote(
1543 client_b.clone(),
1544 worktree_id,
1545 lang_registry.clone(),
1546 &mut cx_b.to_async(),
1547 )
1548 .await
1549 .unwrap();
1550 worktree_a
1551 .condition(&cx_a, |tree, _| tree.peers().len() == 1)
1552 .await;
1553
1554 // Drop client B's connection and ensure client A observes client B leaving the worktree.
1555 client_b.disconnect(&cx_b.to_async()).await.unwrap();
1556 worktree_a
1557 .condition(&cx_a, |tree, _| tree.peers().len() == 0)
1558 .await;
1559 }
1560
1561 #[gpui::test]
1562 async fn test_collaborating_with_diagnostics(
1563 mut cx_a: TestAppContext,
1564 mut cx_b: TestAppContext,
1565 ) {
1566 cx_a.foreground().forbid_parking();
1567 let (language_server_config, mut fake_language_server) =
1568 LanguageServerConfig::fake(cx_a.background()).await;
1569 let mut lang_registry = LanguageRegistry::new();
1570 lang_registry.add(Arc::new(Language::new(
1571 LanguageConfig {
1572 name: "Rust".to_string(),
1573 path_suffixes: vec!["rs".to_string()],
1574 language_server: Some(language_server_config),
1575 ..Default::default()
1576 },
1577 tree_sitter_rust::language(),
1578 )));
1579
1580 let lang_registry = Arc::new(lang_registry);
1581
1582 // Connect to a server as 2 clients.
1583 let mut server = TestServer::start().await;
1584 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
1585 let (client_b, _) = server.create_client(&mut cx_a, "user_b").await;
1586
1587 // Share a local worktree as client A
1588 let fs = Arc::new(FakeFs::new());
1589 fs.insert_tree(
1590 "/a",
1591 json!({
1592 ".zed.toml": r#"collaborators = ["user_b"]"#,
1593 "a.rs": "let one = two",
1594 "other.rs": "",
1595 }),
1596 )
1597 .await;
1598 let worktree_a = Worktree::open_local(
1599 client_a.clone(),
1600 "/a".as_ref(),
1601 fs,
1602 lang_registry.clone(),
1603 &mut cx_a.to_async(),
1604 )
1605 .await
1606 .unwrap();
1607 worktree_a
1608 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1609 .await;
1610 let worktree_id = worktree_a
1611 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1612 .await
1613 .unwrap();
1614
1615 // Cause language server to start.
1616 let _ = cx_a
1617 .background()
1618 .spawn(worktree_a.update(&mut cx_a, |worktree, cx| {
1619 worktree.open_buffer("other.rs", cx)
1620 }))
1621 .await
1622 .unwrap();
1623
1624 // Simulate a language server reporting errors for a file.
1625 fake_language_server
1626 .notify::<lsp::notification::PublishDiagnostics>(lsp::PublishDiagnosticsParams {
1627 uri: lsp::Url::from_file_path("/a/a.rs").unwrap(),
1628 version: None,
1629 diagnostics: vec![
1630 lsp::Diagnostic {
1631 severity: Some(lsp::DiagnosticSeverity::ERROR),
1632 range: lsp::Range::new(lsp::Position::new(0, 4), lsp::Position::new(0, 7)),
1633 message: "message 1".to_string(),
1634 ..Default::default()
1635 },
1636 lsp::Diagnostic {
1637 severity: Some(lsp::DiagnosticSeverity::WARNING),
1638 range: lsp::Range::new(
1639 lsp::Position::new(0, 10),
1640 lsp::Position::new(0, 13),
1641 ),
1642 message: "message 2".to_string(),
1643 ..Default::default()
1644 },
1645 ],
1646 })
1647 .await;
1648
1649 // Join the worktree as client B.
1650 let worktree_b = Worktree::open_remote(
1651 client_b.clone(),
1652 worktree_id,
1653 lang_registry.clone(),
1654 &mut cx_b.to_async(),
1655 )
1656 .await
1657 .unwrap();
1658
1659 // Open the file with the errors.
1660 let buffer_b = cx_b
1661 .background()
1662 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.rs", cx)))
1663 .await
1664 .unwrap();
1665
1666 buffer_b.read_with(&cx_b, |buffer, _| {
1667 assert_eq!(
1668 buffer
1669 .diagnostics_in_range(0..buffer.len())
1670 .collect::<Vec<_>>(),
1671 &[
1672 (
1673 Point::new(0, 4)..Point::new(0, 7),
1674 &Diagnostic {
1675 group_id: 0,
1676 message: "message 1".to_string(),
1677 severity: lsp::DiagnosticSeverity::ERROR,
1678 is_primary: true
1679 }
1680 ),
1681 (
1682 Point::new(0, 10)..Point::new(0, 13),
1683 &Diagnostic {
1684 group_id: 1,
1685 severity: lsp::DiagnosticSeverity::WARNING,
1686 message: "message 2".to_string(),
1687 is_primary: true
1688 }
1689 )
1690 ]
1691 );
1692 });
1693 }
1694
1695 #[gpui::test]
1696 async fn test_basic_chat(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1697 cx_a.foreground().forbid_parking();
1698
1699 // Connect to a server as 2 clients.
1700 let mut server = TestServer::start().await;
1701 let (client_a, user_store_a) = server.create_client(&mut cx_a, "user_a").await;
1702 let (client_b, user_store_b) = server.create_client(&mut cx_b, "user_b").await;
1703
1704 // Create an org that includes these 2 users.
1705 let db = &server.app_state.db;
1706 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
1707 db.add_org_member(org_id, current_user_id(&user_store_a, &cx_a), false)
1708 .await
1709 .unwrap();
1710 db.add_org_member(org_id, current_user_id(&user_store_b, &cx_b), false)
1711 .await
1712 .unwrap();
1713
1714 // Create a channel that includes all the users.
1715 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
1716 db.add_channel_member(channel_id, current_user_id(&user_store_a, &cx_a), false)
1717 .await
1718 .unwrap();
1719 db.add_channel_member(channel_id, current_user_id(&user_store_b, &cx_b), false)
1720 .await
1721 .unwrap();
1722 db.create_channel_message(
1723 channel_id,
1724 current_user_id(&user_store_b, &cx_b),
1725 "hello A, it's B.",
1726 OffsetDateTime::now_utc(),
1727 1,
1728 )
1729 .await
1730 .unwrap();
1731
1732 let channels_a = cx_a.add_model(|cx| ChannelList::new(user_store_a, client_a, cx));
1733 channels_a
1734 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
1735 .await;
1736 channels_a.read_with(&cx_a, |list, _| {
1737 assert_eq!(
1738 list.available_channels().unwrap(),
1739 &[ChannelDetails {
1740 id: channel_id.to_proto(),
1741 name: "test-channel".to_string()
1742 }]
1743 )
1744 });
1745 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
1746 this.get_channel(channel_id.to_proto(), cx).unwrap()
1747 });
1748 channel_a.read_with(&cx_a, |channel, _| assert!(channel.messages().is_empty()));
1749 channel_a
1750 .condition(&cx_a, |channel, _| {
1751 channel_messages(channel)
1752 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1753 })
1754 .await;
1755
1756 let channels_b = cx_b.add_model(|cx| ChannelList::new(user_store_b, client_b, cx));
1757 channels_b
1758 .condition(&mut cx_b, |list, _| list.available_channels().is_some())
1759 .await;
1760 channels_b.read_with(&cx_b, |list, _| {
1761 assert_eq!(
1762 list.available_channels().unwrap(),
1763 &[ChannelDetails {
1764 id: channel_id.to_proto(),
1765 name: "test-channel".to_string()
1766 }]
1767 )
1768 });
1769
1770 let channel_b = channels_b.update(&mut cx_b, |this, cx| {
1771 this.get_channel(channel_id.to_proto(), cx).unwrap()
1772 });
1773 channel_b.read_with(&cx_b, |channel, _| assert!(channel.messages().is_empty()));
1774 channel_b
1775 .condition(&cx_b, |channel, _| {
1776 channel_messages(channel)
1777 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1778 })
1779 .await;
1780
1781 channel_a
1782 .update(&mut cx_a, |channel, cx| {
1783 channel
1784 .send_message("oh, hi B.".to_string(), cx)
1785 .unwrap()
1786 .detach();
1787 let task = channel.send_message("sup".to_string(), cx).unwrap();
1788 assert_eq!(
1789 channel_messages(channel),
1790 &[
1791 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1792 ("user_a".to_string(), "oh, hi B.".to_string(), true),
1793 ("user_a".to_string(), "sup".to_string(), true)
1794 ]
1795 );
1796 task
1797 })
1798 .await
1799 .unwrap();
1800
1801 channel_b
1802 .condition(&cx_b, |channel, _| {
1803 channel_messages(channel)
1804 == [
1805 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1806 ("user_a".to_string(), "oh, hi B.".to_string(), false),
1807 ("user_a".to_string(), "sup".to_string(), false),
1808 ]
1809 })
1810 .await;
1811
1812 assert_eq!(
1813 server
1814 .state()
1815 .await
1816 .channel(channel_id)
1817 .unwrap()
1818 .connection_ids
1819 .len(),
1820 2
1821 );
1822 cx_b.update(|_| drop(channel_b));
1823 server
1824 .condition(|state| state.channel(channel_id).unwrap().connection_ids.len() == 1)
1825 .await;
1826
1827 cx_a.update(|_| drop(channel_a));
1828 server
1829 .condition(|state| state.channel(channel_id).is_none())
1830 .await;
1831 }
1832
1833 #[gpui::test]
1834 async fn test_chat_message_validation(mut cx_a: TestAppContext) {
1835 cx_a.foreground().forbid_parking();
1836
1837 let mut server = TestServer::start().await;
1838 let (client_a, user_store_a) = server.create_client(&mut cx_a, "user_a").await;
1839
1840 let db = &server.app_state.db;
1841 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
1842 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
1843 db.add_org_member(org_id, current_user_id(&user_store_a, &cx_a), false)
1844 .await
1845 .unwrap();
1846 db.add_channel_member(channel_id, current_user_id(&user_store_a, &cx_a), false)
1847 .await
1848 .unwrap();
1849
1850 let channels_a = cx_a.add_model(|cx| ChannelList::new(user_store_a, client_a, cx));
1851 channels_a
1852 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
1853 .await;
1854 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
1855 this.get_channel(channel_id.to_proto(), cx).unwrap()
1856 });
1857
1858 // Messages aren't allowed to be too long.
1859 channel_a
1860 .update(&mut cx_a, |channel, cx| {
1861 let long_body = "this is long.\n".repeat(1024);
1862 channel.send_message(long_body, cx).unwrap()
1863 })
1864 .await
1865 .unwrap_err();
1866
1867 // Messages aren't allowed to be blank.
1868 channel_a.update(&mut cx_a, |channel, cx| {
1869 channel.send_message(String::new(), cx).unwrap_err()
1870 });
1871
1872 // Leading and trailing whitespace are trimmed.
1873 channel_a
1874 .update(&mut cx_a, |channel, cx| {
1875 channel
1876 .send_message("\n surrounded by whitespace \n".to_string(), cx)
1877 .unwrap()
1878 })
1879 .await
1880 .unwrap();
1881 assert_eq!(
1882 db.get_channel_messages(channel_id, 10, None)
1883 .await
1884 .unwrap()
1885 .iter()
1886 .map(|m| &m.body)
1887 .collect::<Vec<_>>(),
1888 &["surrounded by whitespace"]
1889 );
1890 }
1891
1892 #[gpui::test]
1893 async fn test_chat_reconnection(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1894 cx_a.foreground().forbid_parking();
1895
1896 // Connect to a server as 2 clients.
1897 let mut server = TestServer::start().await;
1898 let (client_a, user_store_a) = server.create_client(&mut cx_a, "user_a").await;
1899 let (client_b, user_store_b) = server.create_client(&mut cx_b, "user_b").await;
1900 let mut status_b = client_b.status();
1901
1902 // Create an org that includes these 2 users.
1903 let db = &server.app_state.db;
1904 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
1905 db.add_org_member(org_id, current_user_id(&user_store_a, &cx_a), false)
1906 .await
1907 .unwrap();
1908 db.add_org_member(org_id, current_user_id(&user_store_b, &cx_b), false)
1909 .await
1910 .unwrap();
1911
1912 // Create a channel that includes all the users.
1913 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
1914 db.add_channel_member(channel_id, current_user_id(&user_store_a, &cx_a), false)
1915 .await
1916 .unwrap();
1917 db.add_channel_member(channel_id, current_user_id(&user_store_b, &cx_b), false)
1918 .await
1919 .unwrap();
1920 db.create_channel_message(
1921 channel_id,
1922 current_user_id(&user_store_b, &cx_b),
1923 "hello A, it's B.",
1924 OffsetDateTime::now_utc(),
1925 2,
1926 )
1927 .await
1928 .unwrap();
1929
1930 let channels_a = cx_a.add_model(|cx| ChannelList::new(user_store_a, client_a, cx));
1931 channels_a
1932 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
1933 .await;
1934
1935 channels_a.read_with(&cx_a, |list, _| {
1936 assert_eq!(
1937 list.available_channels().unwrap(),
1938 &[ChannelDetails {
1939 id: channel_id.to_proto(),
1940 name: "test-channel".to_string()
1941 }]
1942 )
1943 });
1944 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
1945 this.get_channel(channel_id.to_proto(), cx).unwrap()
1946 });
1947 channel_a.read_with(&cx_a, |channel, _| assert!(channel.messages().is_empty()));
1948 channel_a
1949 .condition(&cx_a, |channel, _| {
1950 channel_messages(channel)
1951 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1952 })
1953 .await;
1954
1955 let channels_b = cx_b.add_model(|cx| ChannelList::new(user_store_b.clone(), client_b, cx));
1956 channels_b
1957 .condition(&mut cx_b, |list, _| list.available_channels().is_some())
1958 .await;
1959 channels_b.read_with(&cx_b, |list, _| {
1960 assert_eq!(
1961 list.available_channels().unwrap(),
1962 &[ChannelDetails {
1963 id: channel_id.to_proto(),
1964 name: "test-channel".to_string()
1965 }]
1966 )
1967 });
1968
1969 let channel_b = channels_b.update(&mut cx_b, |this, cx| {
1970 this.get_channel(channel_id.to_proto(), cx).unwrap()
1971 });
1972 channel_b.read_with(&cx_b, |channel, _| assert!(channel.messages().is_empty()));
1973 channel_b
1974 .condition(&cx_b, |channel, _| {
1975 channel_messages(channel)
1976 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1977 })
1978 .await;
1979
1980 // Disconnect client B, ensuring we can still access its cached channel data.
1981 server.forbid_connections();
1982 server.disconnect_client(current_user_id(&user_store_b, &cx_b));
1983 while !matches!(
1984 status_b.recv().await,
1985 Some(client::Status::ReconnectionError { .. })
1986 ) {}
1987
1988 channels_b.read_with(&cx_b, |channels, _| {
1989 assert_eq!(
1990 channels.available_channels().unwrap(),
1991 [ChannelDetails {
1992 id: channel_id.to_proto(),
1993 name: "test-channel".to_string()
1994 }]
1995 )
1996 });
1997 channel_b.read_with(&cx_b, |channel, _| {
1998 assert_eq!(
1999 channel_messages(channel),
2000 [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
2001 )
2002 });
2003
2004 // Send a message from client B while it is disconnected.
2005 channel_b
2006 .update(&mut cx_b, |channel, cx| {
2007 let task = channel
2008 .send_message("can you see this?".to_string(), cx)
2009 .unwrap();
2010 assert_eq!(
2011 channel_messages(channel),
2012 &[
2013 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2014 ("user_b".to_string(), "can you see this?".to_string(), true)
2015 ]
2016 );
2017 task
2018 })
2019 .await
2020 .unwrap_err();
2021
2022 // Send a message from client A while B is disconnected.
2023 channel_a
2024 .update(&mut cx_a, |channel, cx| {
2025 channel
2026 .send_message("oh, hi B.".to_string(), cx)
2027 .unwrap()
2028 .detach();
2029 let task = channel.send_message("sup".to_string(), cx).unwrap();
2030 assert_eq!(
2031 channel_messages(channel),
2032 &[
2033 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2034 ("user_a".to_string(), "oh, hi B.".to_string(), true),
2035 ("user_a".to_string(), "sup".to_string(), true)
2036 ]
2037 );
2038 task
2039 })
2040 .await
2041 .unwrap();
2042
2043 // Give client B a chance to reconnect.
2044 server.allow_connections();
2045 cx_b.foreground().advance_clock(Duration::from_secs(10));
2046
2047 // Verify that B sees the new messages upon reconnection, as well as the message client B
2048 // sent while offline.
2049 channel_b
2050 .condition(&cx_b, |channel, _| {
2051 channel_messages(channel)
2052 == [
2053 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2054 ("user_a".to_string(), "oh, hi B.".to_string(), false),
2055 ("user_a".to_string(), "sup".to_string(), false),
2056 ("user_b".to_string(), "can you see this?".to_string(), false),
2057 ]
2058 })
2059 .await;
2060
2061 // Ensure client A and B can communicate normally after reconnection.
2062 channel_a
2063 .update(&mut cx_a, |channel, cx| {
2064 channel.send_message("you online?".to_string(), cx).unwrap()
2065 })
2066 .await
2067 .unwrap();
2068 channel_b
2069 .condition(&cx_b, |channel, _| {
2070 channel_messages(channel)
2071 == [
2072 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2073 ("user_a".to_string(), "oh, hi B.".to_string(), false),
2074 ("user_a".to_string(), "sup".to_string(), false),
2075 ("user_b".to_string(), "can you see this?".to_string(), false),
2076 ("user_a".to_string(), "you online?".to_string(), false),
2077 ]
2078 })
2079 .await;
2080
2081 channel_b
2082 .update(&mut cx_b, |channel, cx| {
2083 channel.send_message("yep".to_string(), cx).unwrap()
2084 })
2085 .await
2086 .unwrap();
2087 channel_a
2088 .condition(&cx_a, |channel, _| {
2089 channel_messages(channel)
2090 == [
2091 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2092 ("user_a".to_string(), "oh, hi B.".to_string(), false),
2093 ("user_a".to_string(), "sup".to_string(), false),
2094 ("user_b".to_string(), "can you see this?".to_string(), false),
2095 ("user_a".to_string(), "you online?".to_string(), false),
2096 ("user_b".to_string(), "yep".to_string(), false),
2097 ]
2098 })
2099 .await;
2100 }
2101
2102 #[gpui::test]
2103 async fn test_collaborators(
2104 mut cx_a: TestAppContext,
2105 mut cx_b: TestAppContext,
2106 mut cx_c: TestAppContext,
2107 ) {
2108 cx_a.foreground().forbid_parking();
2109 let lang_registry = Arc::new(LanguageRegistry::new());
2110
2111 // Connect to a server as 3 clients.
2112 let mut server = TestServer::start().await;
2113 let (client_a, user_store_a) = server.create_client(&mut cx_a, "user_a").await;
2114 let (client_b, user_store_b) = server.create_client(&mut cx_b, "user_b").await;
2115 let (_client_c, user_store_c) = server.create_client(&mut cx_c, "user_c").await;
2116
2117 let fs = Arc::new(FakeFs::new());
2118
2119 // Share a worktree as client A.
2120 fs.insert_tree(
2121 "/a",
2122 json!({
2123 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
2124 }),
2125 )
2126 .await;
2127
2128 let worktree_a = Worktree::open_local(
2129 client_a.clone(),
2130 "/a".as_ref(),
2131 fs.clone(),
2132 lang_registry.clone(),
2133 &mut cx_a.to_async(),
2134 )
2135 .await
2136 .unwrap();
2137
2138 user_store_a
2139 .condition(&cx_a, |user_store, _| {
2140 collaborators(user_store) == vec![("user_a", vec![("a", vec![])])]
2141 })
2142 .await;
2143 user_store_b
2144 .condition(&cx_b, |user_store, _| {
2145 collaborators(user_store) == vec![("user_a", vec![("a", vec![])])]
2146 })
2147 .await;
2148 user_store_c
2149 .condition(&cx_c, |user_store, _| {
2150 collaborators(user_store) == vec![("user_a", vec![("a", vec![])])]
2151 })
2152 .await;
2153
2154 let worktree_id = worktree_a
2155 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
2156 .await
2157 .unwrap();
2158
2159 let _worktree_b = Worktree::open_remote(
2160 client_b.clone(),
2161 worktree_id,
2162 lang_registry.clone(),
2163 &mut cx_b.to_async(),
2164 )
2165 .await
2166 .unwrap();
2167
2168 user_store_a
2169 .condition(&cx_a, |user_store, _| {
2170 collaborators(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2171 })
2172 .await;
2173 user_store_b
2174 .condition(&cx_b, |user_store, _| {
2175 collaborators(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2176 })
2177 .await;
2178 user_store_c
2179 .condition(&cx_c, |user_store, _| {
2180 collaborators(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2181 })
2182 .await;
2183
2184 cx_a.update(move |_| drop(worktree_a));
2185 user_store_a
2186 .condition(&cx_a, |user_store, _| collaborators(user_store) == vec![])
2187 .await;
2188 user_store_b
2189 .condition(&cx_b, |user_store, _| collaborators(user_store) == vec![])
2190 .await;
2191 user_store_c
2192 .condition(&cx_c, |user_store, _| collaborators(user_store) == vec![])
2193 .await;
2194
2195 fn collaborators(user_store: &UserStore) -> Vec<(&str, Vec<(&str, Vec<&str>)>)> {
2196 user_store
2197 .collaborators()
2198 .iter()
2199 .map(|collaborator| {
2200 let worktrees = collaborator
2201 .worktrees
2202 .iter()
2203 .map(|w| {
2204 (
2205 w.root_name.as_str(),
2206 w.guests.iter().map(|p| p.github_login.as_str()).collect(),
2207 )
2208 })
2209 .collect();
2210 (collaborator.user.github_login.as_str(), worktrees)
2211 })
2212 .collect()
2213 }
2214 }
2215
2216 struct TestServer {
2217 peer: Arc<Peer>,
2218 app_state: Arc<AppState>,
2219 server: Arc<Server>,
2220 notifications: mpsc::Receiver<()>,
2221 connection_killers: Arc<Mutex<HashMap<UserId, watch::Sender<Option<()>>>>>,
2222 forbid_connections: Arc<AtomicBool>,
2223 _test_db: TestDb,
2224 }
2225
2226 impl TestServer {
2227 async fn start() -> Self {
2228 let test_db = TestDb::new();
2229 let app_state = Self::build_app_state(&test_db).await;
2230 let peer = Peer::new();
2231 let notifications = mpsc::channel(128);
2232 let server = Server::new(app_state.clone(), peer.clone(), Some(notifications.0));
2233 Self {
2234 peer,
2235 app_state,
2236 server,
2237 notifications: notifications.1,
2238 connection_killers: Default::default(),
2239 forbid_connections: Default::default(),
2240 _test_db: test_db,
2241 }
2242 }
2243
2244 async fn create_client(
2245 &mut self,
2246 cx: &mut TestAppContext,
2247 name: &str,
2248 ) -> (Arc<Client>, ModelHandle<UserStore>) {
2249 let user_id = self.app_state.db.create_user(name, false).await.unwrap();
2250 let client_name = name.to_string();
2251 let mut client = Client::new();
2252 let server = self.server.clone();
2253 let connection_killers = self.connection_killers.clone();
2254 let forbid_connections = self.forbid_connections.clone();
2255 Arc::get_mut(&mut client)
2256 .unwrap()
2257 .override_authenticate(move |cx| {
2258 cx.spawn(|_| async move {
2259 let access_token = "the-token".to_string();
2260 Ok(Credentials {
2261 user_id: user_id.0 as u64,
2262 access_token,
2263 })
2264 })
2265 })
2266 .override_establish_connection(move |credentials, cx| {
2267 assert_eq!(credentials.user_id, user_id.0 as u64);
2268 assert_eq!(credentials.access_token, "the-token");
2269
2270 let server = server.clone();
2271 let connection_killers = connection_killers.clone();
2272 let forbid_connections = forbid_connections.clone();
2273 let client_name = client_name.clone();
2274 cx.spawn(move |cx| async move {
2275 if forbid_connections.load(SeqCst) {
2276 Err(EstablishConnectionError::other(anyhow!(
2277 "server is forbidding connections"
2278 )))
2279 } else {
2280 let (client_conn, server_conn, kill_conn) = Connection::in_memory();
2281 connection_killers.lock().insert(user_id, kill_conn);
2282 cx.background()
2283 .spawn(server.handle_connection(server_conn, client_name, user_id))
2284 .detach();
2285 Ok(client_conn)
2286 }
2287 })
2288 });
2289
2290 let http = FakeHttpClient::new(|_| async move { Ok(surf::http::Response::new(404)) });
2291 client
2292 .authenticate_and_connect(&cx.to_async())
2293 .await
2294 .unwrap();
2295
2296 let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http, cx));
2297 let mut authed_user =
2298 user_store.read_with(cx, |user_store, _| user_store.watch_current_user());
2299 while authed_user.recv().await.unwrap().is_none() {}
2300
2301 (client, user_store)
2302 }
2303
2304 fn disconnect_client(&self, user_id: UserId) {
2305 if let Some(mut kill_conn) = self.connection_killers.lock().remove(&user_id) {
2306 let _ = kill_conn.try_send(Some(()));
2307 }
2308 }
2309
2310 fn forbid_connections(&self) {
2311 self.forbid_connections.store(true, SeqCst);
2312 }
2313
2314 fn allow_connections(&self) {
2315 self.forbid_connections.store(false, SeqCst);
2316 }
2317
2318 async fn build_app_state(test_db: &TestDb) -> Arc<AppState> {
2319 let mut config = Config::default();
2320 config.session_secret = "a".repeat(32);
2321 config.database_url = test_db.url.clone();
2322 let github_client = github::AppClient::test();
2323 Arc::new(AppState {
2324 db: test_db.db().clone(),
2325 handlebars: Default::default(),
2326 auth_client: auth::build_client("", ""),
2327 repo_client: github::RepoClient::test(&github_client),
2328 github_client,
2329 config,
2330 })
2331 }
2332
2333 async fn state<'a>(&'a self) -> RwLockReadGuard<'a, Store> {
2334 self.server.store.read()
2335 }
2336
2337 async fn condition<F>(&mut self, mut predicate: F)
2338 where
2339 F: FnMut(&Store) -> bool,
2340 {
2341 async_std::future::timeout(Duration::from_millis(500), async {
2342 while !(predicate)(&*self.server.store.read()) {
2343 self.notifications.recv().await;
2344 }
2345 })
2346 .await
2347 .expect("condition timed out");
2348 }
2349 }
2350
2351 impl Drop for TestServer {
2352 fn drop(&mut self) {
2353 task::block_on(self.peer.reset());
2354 }
2355 }
2356
2357 fn current_user_id(user_store: &ModelHandle<UserStore>, cx: &TestAppContext) -> UserId {
2358 UserId::from_proto(
2359 user_store.read_with(cx, |user_store, _| user_store.current_user().unwrap().id),
2360 )
2361 }
2362
2363 fn channel_messages(channel: &Channel) -> Vec<(String, String, bool)> {
2364 channel
2365 .messages()
2366 .cursor::<()>()
2367 .map(|m| {
2368 (
2369 m.sender.github_login.clone(),
2370 m.body.clone(),
2371 m.is_pending(),
2372 )
2373 })
2374 .collect()
2375 }
2376
2377 struct EmptyView;
2378
2379 impl gpui::Entity for EmptyView {
2380 type Event = ();
2381 }
2382
2383 impl gpui::View for EmptyView {
2384 fn ui_name() -> &'static str {
2385 "empty view"
2386 }
2387
2388 fn render(&mut self, _: &mut gpui::RenderContext<Self>) -> gpui::ElementBox {
2389 gpui::Element::boxed(gpui::elements::Empty)
2390 }
2391 }
2392}