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