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 let client_protocol_version: Option<u32> = request
898 .header("X-Zed-Protocol-Version")
899 .and_then(|v| v.as_str().parse().ok());
900
901 if !upgrade_requested || client_protocol_version != Some(zrpc::PROTOCOL_VERSION) {
902 return Ok(Response::new(StatusCode::UpgradeRequired));
903 }
904
905 let header = match request.header("Sec-Websocket-Key") {
906 Some(h) => h.as_str(),
907 None => return Err(anyhow!("expected sec-websocket-key"))?,
908 };
909
910 let mut response = Response::new(StatusCode::SwitchingProtocols);
911 response.insert_header(UPGRADE, "websocket");
912 response.insert_header(CONNECTION, "Upgrade");
913 let hash = Sha1::new().chain(header).chain(WEBSOCKET_GUID).finalize();
914 response.insert_header("Sec-Websocket-Accept", base64::encode(&hash[..]));
915 response.insert_header("Sec-Websocket-Version", "13");
916
917 let http_res: &mut tide::http::Response = response.as_mut();
918 let upgrade_receiver = http_res.recv_upgrade().await;
919 let addr = request.remote().unwrap_or("unknown").to_string();
920 let user_id = user_id.ok_or_else(|| anyhow!("user_id is not present on request. ensure auth::VerifyToken middleware is present"))?;
921 task::spawn(async move {
922 if let Some(stream) = upgrade_receiver.await {
923 server.handle_connection(Connection::new(WebSocketStream::from_raw_socket(stream, Role::Server, None).await), addr, user_id).await;
924 }
925 });
926
927 Ok(response)
928 }
929 });
930}
931
932fn header_contains_ignore_case<T>(
933 request: &tide::Request<T>,
934 header_name: HeaderName,
935 value: &str,
936) -> bool {
937 request
938 .header(header_name)
939 .map(|h| {
940 h.as_str()
941 .split(',')
942 .any(|s| s.trim().eq_ignore_ascii_case(value.trim()))
943 })
944 .unwrap_or(false)
945}
946
947#[cfg(test)]
948mod tests {
949 use super::*;
950 use crate::{
951 auth,
952 db::{tests::TestDb, UserId},
953 github, AppState, Config,
954 };
955 use async_std::{sync::RwLockReadGuard, task};
956 use gpui::{ModelHandle, TestAppContext};
957 use parking_lot::Mutex;
958 use postage::{mpsc, watch};
959 use serde_json::json;
960 use sqlx::types::time::OffsetDateTime;
961 use std::{
962 path::Path,
963 sync::{
964 atomic::{AtomicBool, Ordering::SeqCst},
965 Arc,
966 },
967 time::Duration,
968 };
969 use zed::{
970 channel::{Channel, ChannelDetails, ChannelList},
971 editor::{Editor, EditorStyle, Insert},
972 fs::{FakeFs, Fs as _},
973 language::LanguageRegistry,
974 people_panel::JoinWorktree,
975 rpc::{self, Client, Credentials, EstablishConnectionError},
976 settings,
977 test::FakeHttpClient,
978 user::UserStore,
979 workspace::Workspace,
980 worktree::Worktree,
981 };
982 use zrpc::Peer;
983
984 #[gpui::test]
985 async fn test_share_worktree(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
986 let (window_b, _) = cx_b.add_window(|_| EmptyView);
987 let settings = cx_b.read(settings::test).1;
988 let lang_registry = Arc::new(LanguageRegistry::new());
989
990 // Connect to a server as 2 clients.
991 let mut server = TestServer::start().await;
992 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
993 let (client_b, _) = server.create_client(&mut cx_b, "user_b").await;
994
995 cx_a.foreground().forbid_parking();
996
997 // Share a local worktree as client A
998 let fs = Arc::new(FakeFs::new());
999 fs.insert_tree(
1000 "/a",
1001 json!({
1002 ".zed.toml": r#"collaborators = ["user_b"]"#,
1003 "a.txt": "a-contents",
1004 "b.txt": "b-contents",
1005 }),
1006 )
1007 .await;
1008 let worktree_a = Worktree::open_local(
1009 client_a.clone(),
1010 "/a".as_ref(),
1011 fs,
1012 lang_registry.clone(),
1013 &mut cx_a.to_async(),
1014 )
1015 .await
1016 .unwrap();
1017 worktree_a
1018 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1019 .await;
1020 let worktree_id = worktree_a
1021 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1022 .await
1023 .unwrap();
1024
1025 // Join that worktree as client B, and see that a guest has joined as client A.
1026 let worktree_b = Worktree::open_remote(
1027 client_b.clone(),
1028 worktree_id,
1029 lang_registry.clone(),
1030 &mut cx_b.to_async(),
1031 )
1032 .await
1033 .unwrap();
1034 let replica_id_b = worktree_b.read_with(&cx_b, |tree, _| tree.replica_id());
1035 worktree_a
1036 .condition(&cx_a, |tree, _| {
1037 tree.peers()
1038 .values()
1039 .any(|replica_id| *replica_id == replica_id_b)
1040 })
1041 .await;
1042
1043 // Open the same file as client B and client A.
1044 let buffer_b = worktree_b
1045 .update(&mut cx_b, |worktree, cx| worktree.open_buffer("b.txt", cx))
1046 .await
1047 .unwrap();
1048 buffer_b.read_with(&cx_b, |buf, _| assert_eq!(buf.text(), "b-contents"));
1049 worktree_a.read_with(&cx_a, |tree, cx| assert!(tree.has_open_buffer("b.txt", cx)));
1050 let buffer_a = worktree_a
1051 .update(&mut cx_a, |tree, cx| tree.open_buffer("b.txt", cx))
1052 .await
1053 .unwrap();
1054
1055 // Create a selection set as client B and see that selection set as client A.
1056 let editor_b = cx_b.add_view(window_b, |cx| {
1057 Editor::for_buffer(
1058 buffer_b,
1059 settings,
1060 |cx| EditorStyle::test(cx.font_cache()),
1061 cx,
1062 )
1063 });
1064 buffer_a
1065 .condition(&cx_a, |buffer, _| buffer.selection_sets().count() == 1)
1066 .await;
1067
1068 // Edit the buffer as client B and see that edit as client A.
1069 editor_b.update(&mut cx_b, |editor, cx| {
1070 editor.insert(&Insert("ok, ".into()), cx)
1071 });
1072 buffer_a
1073 .condition(&cx_a, |buffer, _| buffer.text() == "ok, b-contents")
1074 .await;
1075
1076 // Remove the selection set as client B, see those selections disappear as client A.
1077 cx_b.update(move |_| drop(editor_b));
1078 buffer_a
1079 .condition(&cx_a, |buffer, _| buffer.selection_sets().count() == 0)
1080 .await;
1081
1082 // Close the buffer as client A, see that the buffer is closed.
1083 cx_a.update(move |_| drop(buffer_a));
1084 worktree_a
1085 .condition(&cx_a, |tree, cx| !tree.has_open_buffer("b.txt", cx))
1086 .await;
1087
1088 // Dropping the worktree removes client B from client A's peers.
1089 cx_b.update(move |_| drop(worktree_b));
1090 worktree_a
1091 .condition(&cx_a, |tree, _| tree.peers().is_empty())
1092 .await;
1093 }
1094
1095 #[gpui::test]
1096 async fn test_unshare_worktree(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1097 cx_b.update(zed::workspace::init);
1098 let lang_registry = Arc::new(LanguageRegistry::new());
1099
1100 // Connect to a server as 2 clients.
1101 let mut server = TestServer::start().await;
1102 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
1103 let (client_b, user_store_b) = server.create_client(&mut cx_b, "user_b").await;
1104 let app_state_b = zed::AppState {
1105 rpc: client_b,
1106 user_store: user_store_b,
1107 ..Arc::try_unwrap(cx_b.update(zed::test::test_app_state))
1108 .ok()
1109 .unwrap()
1110 };
1111
1112 cx_a.foreground().forbid_parking();
1113
1114 // Share a local worktree as client A
1115 let fs = Arc::new(FakeFs::new());
1116 fs.insert_tree(
1117 "/a",
1118 json!({
1119 ".zed.toml": r#"collaborators = ["user_b"]"#,
1120 "a.txt": "a-contents",
1121 "b.txt": "b-contents",
1122 }),
1123 )
1124 .await;
1125 let worktree_a = Worktree::open_local(
1126 client_a.clone(),
1127 "/a".as_ref(),
1128 fs,
1129 lang_registry.clone(),
1130 &mut cx_a.to_async(),
1131 )
1132 .await
1133 .unwrap();
1134 worktree_a
1135 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1136 .await;
1137
1138 let remote_worktree_id = worktree_a
1139 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1140 .await
1141 .unwrap();
1142
1143 let (window_b, workspace_b) = cx_b.add_window(|cx| Workspace::new(&app_state_b, cx));
1144 cx_b.update(|cx| {
1145 cx.dispatch_action(
1146 window_b,
1147 vec![workspace_b.id()],
1148 &JoinWorktree(remote_worktree_id),
1149 );
1150 });
1151 workspace_b
1152 .condition(&cx_b, |workspace, _| workspace.worktrees().len() == 1)
1153 .await;
1154
1155 let local_worktree_id_b = workspace_b.read_with(&cx_b, |workspace, cx| {
1156 let active_pane = workspace.active_pane().read(cx);
1157 assert!(active_pane.active_item().is_none());
1158 workspace.worktrees().iter().next().unwrap().id()
1159 });
1160 workspace_b
1161 .update(&mut cx_b, |worktree, cx| {
1162 worktree.open_entry((local_worktree_id_b, Path::new("a.txt").into()), cx)
1163 })
1164 .unwrap()
1165 .await;
1166 workspace_b.read_with(&cx_b, |workspace, cx| {
1167 let active_pane = workspace.active_pane().read(cx);
1168 assert!(active_pane.active_item().is_some());
1169 });
1170
1171 worktree_a.update(&mut cx_a, |tree, cx| {
1172 tree.as_local_mut().unwrap().unshare(cx);
1173 });
1174 workspace_b
1175 .condition(&cx_b, |workspace, _| workspace.worktrees().len() == 0)
1176 .await;
1177 workspace_b.read_with(&cx_b, |workspace, cx| {
1178 let active_pane = workspace.active_pane().read(cx);
1179 assert!(active_pane.active_item().is_none());
1180 });
1181 }
1182
1183 #[gpui::test]
1184 async fn test_propagate_saves_and_fs_changes_in_shared_worktree(
1185 mut cx_a: TestAppContext,
1186 mut cx_b: TestAppContext,
1187 mut cx_c: TestAppContext,
1188 ) {
1189 cx_a.foreground().forbid_parking();
1190 let lang_registry = Arc::new(LanguageRegistry::new());
1191
1192 // Connect to a server as 3 clients.
1193 let mut server = TestServer::start().await;
1194 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
1195 let (client_b, _) = server.create_client(&mut cx_b, "user_b").await;
1196 let (client_c, _) = server.create_client(&mut cx_c, "user_c").await;
1197
1198 let fs = Arc::new(FakeFs::new());
1199
1200 // Share a worktree as client A.
1201 fs.insert_tree(
1202 "/a",
1203 json!({
1204 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
1205 "file1": "",
1206 "file2": ""
1207 }),
1208 )
1209 .await;
1210
1211 let worktree_a = Worktree::open_local(
1212 client_a.clone(),
1213 "/a".as_ref(),
1214 fs.clone(),
1215 lang_registry.clone(),
1216 &mut cx_a.to_async(),
1217 )
1218 .await
1219 .unwrap();
1220 worktree_a
1221 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1222 .await;
1223 let worktree_id = worktree_a
1224 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1225 .await
1226 .unwrap();
1227
1228 // Join that worktree as clients B and C.
1229 let worktree_b = Worktree::open_remote(
1230 client_b.clone(),
1231 worktree_id,
1232 lang_registry.clone(),
1233 &mut cx_b.to_async(),
1234 )
1235 .await
1236 .unwrap();
1237 let worktree_c = Worktree::open_remote(
1238 client_c.clone(),
1239 worktree_id,
1240 lang_registry.clone(),
1241 &mut cx_c.to_async(),
1242 )
1243 .await
1244 .unwrap();
1245
1246 // Open and edit a buffer as both guests B and C.
1247 let buffer_b = worktree_b
1248 .update(&mut cx_b, |tree, cx| tree.open_buffer("file1", cx))
1249 .await
1250 .unwrap();
1251 let buffer_c = worktree_c
1252 .update(&mut cx_c, |tree, cx| tree.open_buffer("file1", cx))
1253 .await
1254 .unwrap();
1255 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "i-am-b, ", cx));
1256 buffer_c.update(&mut cx_c, |buf, cx| buf.edit([0..0], "i-am-c, ", cx));
1257
1258 // Open and edit that buffer as the host.
1259 let buffer_a = worktree_a
1260 .update(&mut cx_a, |tree, cx| tree.open_buffer("file1", cx))
1261 .await
1262 .unwrap();
1263
1264 buffer_a
1265 .condition(&mut cx_a, |buf, _| buf.text() == "i-am-c, i-am-b, ")
1266 .await;
1267 buffer_a.update(&mut cx_a, |buf, cx| {
1268 buf.edit([buf.len()..buf.len()], "i-am-a", cx)
1269 });
1270
1271 // Wait for edits to propagate
1272 buffer_a
1273 .condition(&mut cx_a, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1274 .await;
1275 buffer_b
1276 .condition(&mut cx_b, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1277 .await;
1278 buffer_c
1279 .condition(&mut cx_c, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1280 .await;
1281
1282 // Edit the buffer as the host and concurrently save as guest B.
1283 let save_b = buffer_b.update(&mut cx_b, |buf, cx| buf.save(cx).unwrap());
1284 buffer_a.update(&mut cx_a, |buf, cx| buf.edit([0..0], "hi-a, ", cx));
1285 save_b.await.unwrap();
1286 assert_eq!(
1287 fs.load("/a/file1".as_ref()).await.unwrap(),
1288 "hi-a, i-am-c, i-am-b, i-am-a"
1289 );
1290 buffer_a.read_with(&cx_a, |buf, _| assert!(!buf.is_dirty()));
1291 buffer_b.read_with(&cx_b, |buf, _| assert!(!buf.is_dirty()));
1292 buffer_c.condition(&cx_c, |buf, _| !buf.is_dirty()).await;
1293
1294 // Make changes on host's file system, see those changes on the guests.
1295 fs.rename("/a/file2".as_ref(), "/a/file3".as_ref())
1296 .await
1297 .unwrap();
1298 fs.insert_file(Path::new("/a/file4"), "4".into())
1299 .await
1300 .unwrap();
1301
1302 worktree_b
1303 .condition(&cx_b, |tree, _| tree.file_count() == 4)
1304 .await;
1305 worktree_c
1306 .condition(&cx_c, |tree, _| tree.file_count() == 4)
1307 .await;
1308 worktree_b.read_with(&cx_b, |tree, _| {
1309 assert_eq!(
1310 tree.paths()
1311 .map(|p| p.to_string_lossy())
1312 .collect::<Vec<_>>(),
1313 &[".zed.toml", "file1", "file3", "file4"]
1314 )
1315 });
1316 worktree_c.read_with(&cx_c, |tree, _| {
1317 assert_eq!(
1318 tree.paths()
1319 .map(|p| p.to_string_lossy())
1320 .collect::<Vec<_>>(),
1321 &[".zed.toml", "file1", "file3", "file4"]
1322 )
1323 });
1324 }
1325
1326 #[gpui::test]
1327 async fn test_buffer_conflict_after_save(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1328 cx_a.foreground().forbid_parking();
1329 let lang_registry = Arc::new(LanguageRegistry::new());
1330
1331 // Connect to a server as 2 clients.
1332 let mut server = TestServer::start().await;
1333 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
1334 let (client_b, _) = server.create_client(&mut cx_b, "user_b").await;
1335
1336 // Share a local worktree as client A
1337 let fs = Arc::new(FakeFs::new());
1338 fs.insert_tree(
1339 "/dir",
1340 json!({
1341 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
1342 "a.txt": "a-contents",
1343 }),
1344 )
1345 .await;
1346
1347 let worktree_a = Worktree::open_local(
1348 client_a.clone(),
1349 "/dir".as_ref(),
1350 fs,
1351 lang_registry.clone(),
1352 &mut cx_a.to_async(),
1353 )
1354 .await
1355 .unwrap();
1356 worktree_a
1357 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1358 .await;
1359 let worktree_id = worktree_a
1360 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1361 .await
1362 .unwrap();
1363
1364 // Join that worktree as client B, and see that a guest has joined as client A.
1365 let worktree_b = Worktree::open_remote(
1366 client_b.clone(),
1367 worktree_id,
1368 lang_registry.clone(),
1369 &mut cx_b.to_async(),
1370 )
1371 .await
1372 .unwrap();
1373
1374 let buffer_b = worktree_b
1375 .update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx))
1376 .await
1377 .unwrap();
1378 let mtime = buffer_b.read_with(&cx_b, |buf, _| buf.file().unwrap().mtime);
1379
1380 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "world ", cx));
1381 buffer_b.read_with(&cx_b, |buf, _| {
1382 assert!(buf.is_dirty());
1383 assert!(!buf.has_conflict());
1384 });
1385
1386 buffer_b
1387 .update(&mut cx_b, |buf, cx| buf.save(cx))
1388 .unwrap()
1389 .await
1390 .unwrap();
1391 worktree_b
1392 .condition(&cx_b, |_, cx| {
1393 buffer_b.read(cx).file().unwrap().mtime != mtime
1394 })
1395 .await;
1396 buffer_b.read_with(&cx_b, |buf, _| {
1397 assert!(!buf.is_dirty());
1398 assert!(!buf.has_conflict());
1399 });
1400
1401 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "hello ", cx));
1402 buffer_b.read_with(&cx_b, |buf, _| {
1403 assert!(buf.is_dirty());
1404 assert!(!buf.has_conflict());
1405 });
1406 }
1407
1408 #[gpui::test]
1409 async fn test_editing_while_guest_opens_buffer(
1410 mut cx_a: TestAppContext,
1411 mut cx_b: TestAppContext,
1412 ) {
1413 cx_a.foreground().forbid_parking();
1414 let lang_registry = Arc::new(LanguageRegistry::new());
1415
1416 // Connect to a server as 2 clients.
1417 let mut server = TestServer::start().await;
1418 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
1419 let (client_b, _) = server.create_client(&mut cx_b, "user_b").await;
1420
1421 // Share a local worktree as client A
1422 let fs = Arc::new(FakeFs::new());
1423 fs.insert_tree(
1424 "/dir",
1425 json!({
1426 ".zed.toml": r#"collaborators = ["user_b"]"#,
1427 "a.txt": "a-contents",
1428 }),
1429 )
1430 .await;
1431 let worktree_a = Worktree::open_local(
1432 client_a.clone(),
1433 "/dir".as_ref(),
1434 fs,
1435 lang_registry.clone(),
1436 &mut cx_a.to_async(),
1437 )
1438 .await
1439 .unwrap();
1440 worktree_a
1441 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1442 .await;
1443 let worktree_id = worktree_a
1444 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1445 .await
1446 .unwrap();
1447
1448 // Join that worktree as client B, and see that a guest has joined as client A.
1449 let worktree_b = Worktree::open_remote(
1450 client_b.clone(),
1451 worktree_id,
1452 lang_registry.clone(),
1453 &mut cx_b.to_async(),
1454 )
1455 .await
1456 .unwrap();
1457
1458 let buffer_a = worktree_a
1459 .update(&mut cx_a, |tree, cx| tree.open_buffer("a.txt", cx))
1460 .await
1461 .unwrap();
1462 let buffer_b = cx_b
1463 .background()
1464 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx)));
1465
1466 task::yield_now().await;
1467 buffer_a.update(&mut cx_a, |buf, cx| buf.edit([0..0], "z", cx));
1468
1469 let text = buffer_a.read_with(&cx_a, |buf, _| buf.text());
1470 let buffer_b = buffer_b.await.unwrap();
1471 buffer_b.condition(&cx_b, |buf, _| buf.text() == text).await;
1472 }
1473
1474 #[gpui::test]
1475 async fn test_leaving_worktree_while_opening_buffer(
1476 mut cx_a: TestAppContext,
1477 mut cx_b: TestAppContext,
1478 ) {
1479 cx_a.foreground().forbid_parking();
1480 let lang_registry = Arc::new(LanguageRegistry::new());
1481
1482 // Connect to a server as 2 clients.
1483 let mut server = TestServer::start().await;
1484 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
1485 let (client_b, _) = server.create_client(&mut cx_b, "user_b").await;
1486
1487 // Share a local worktree as client A
1488 let fs = Arc::new(FakeFs::new());
1489 fs.insert_tree(
1490 "/dir",
1491 json!({
1492 ".zed.toml": r#"collaborators = ["user_b"]"#,
1493 "a.txt": "a-contents",
1494 }),
1495 )
1496 .await;
1497 let worktree_a = Worktree::open_local(
1498 client_a.clone(),
1499 "/dir".as_ref(),
1500 fs,
1501 lang_registry.clone(),
1502 &mut cx_a.to_async(),
1503 )
1504 .await
1505 .unwrap();
1506 worktree_a
1507 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1508 .await;
1509 let worktree_id = worktree_a
1510 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1511 .await
1512 .unwrap();
1513
1514 // Join that worktree as client B, and see that a guest has joined as client A.
1515 let worktree_b = Worktree::open_remote(
1516 client_b.clone(),
1517 worktree_id,
1518 lang_registry.clone(),
1519 &mut cx_b.to_async(),
1520 )
1521 .await
1522 .unwrap();
1523 worktree_a
1524 .condition(&cx_a, |tree, _| tree.peers().len() == 1)
1525 .await;
1526
1527 let buffer_b = cx_b
1528 .background()
1529 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx)));
1530 cx_b.update(|_| drop(worktree_b));
1531 drop(buffer_b);
1532 worktree_a
1533 .condition(&cx_a, |tree, _| tree.peers().len() == 0)
1534 .await;
1535 }
1536
1537 #[gpui::test]
1538 async fn test_peer_disconnection(mut cx_a: TestAppContext, cx_b: TestAppContext) {
1539 cx_a.foreground().forbid_parking();
1540 let lang_registry = Arc::new(LanguageRegistry::new());
1541
1542 // Connect to a server as 2 clients.
1543 let mut server = TestServer::start().await;
1544 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
1545 let (client_b, _) = server.create_client(&mut cx_a, "user_b").await;
1546
1547 // Share a local worktree as client A
1548 let fs = Arc::new(FakeFs::new());
1549 fs.insert_tree(
1550 "/a",
1551 json!({
1552 ".zed.toml": r#"collaborators = ["user_b"]"#,
1553 "a.txt": "a-contents",
1554 "b.txt": "b-contents",
1555 }),
1556 )
1557 .await;
1558 let worktree_a = Worktree::open_local(
1559 client_a.clone(),
1560 "/a".as_ref(),
1561 fs,
1562 lang_registry.clone(),
1563 &mut cx_a.to_async(),
1564 )
1565 .await
1566 .unwrap();
1567 worktree_a
1568 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1569 .await;
1570 let worktree_id = worktree_a
1571 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1572 .await
1573 .unwrap();
1574
1575 // Join that worktree as client B, and see that a guest has joined as client A.
1576 let _worktree_b = Worktree::open_remote(
1577 client_b.clone(),
1578 worktree_id,
1579 lang_registry.clone(),
1580 &mut cx_b.to_async(),
1581 )
1582 .await
1583 .unwrap();
1584 worktree_a
1585 .condition(&cx_a, |tree, _| tree.peers().len() == 1)
1586 .await;
1587
1588 // Drop client B's connection and ensure client A observes client B leaving the worktree.
1589 client_b.disconnect(&cx_b.to_async()).await.unwrap();
1590 worktree_a
1591 .condition(&cx_a, |tree, _| tree.peers().len() == 0)
1592 .await;
1593 }
1594
1595 #[gpui::test]
1596 async fn test_basic_chat(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1597 cx_a.foreground().forbid_parking();
1598
1599 // Connect to a server as 2 clients.
1600 let mut server = TestServer::start().await;
1601 let (client_a, user_store_a) = server.create_client(&mut cx_a, "user_a").await;
1602 let (client_b, user_store_b) = server.create_client(&mut cx_b, "user_b").await;
1603
1604 // Create an org that includes these 2 users.
1605 let db = &server.app_state.db;
1606 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
1607 db.add_org_member(org_id, current_user_id(&user_store_a, &cx_a), false)
1608 .await
1609 .unwrap();
1610 db.add_org_member(org_id, current_user_id(&user_store_b, &cx_b), false)
1611 .await
1612 .unwrap();
1613
1614 // Create a channel that includes all the users.
1615 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
1616 db.add_channel_member(channel_id, current_user_id(&user_store_a, &cx_a), false)
1617 .await
1618 .unwrap();
1619 db.add_channel_member(channel_id, current_user_id(&user_store_b, &cx_b), false)
1620 .await
1621 .unwrap();
1622 db.create_channel_message(
1623 channel_id,
1624 current_user_id(&user_store_b, &cx_b),
1625 "hello A, it's B.",
1626 OffsetDateTime::now_utc(),
1627 1,
1628 )
1629 .await
1630 .unwrap();
1631
1632 let channels_a = cx_a.add_model(|cx| ChannelList::new(user_store_a, client_a, cx));
1633 channels_a
1634 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
1635 .await;
1636 channels_a.read_with(&cx_a, |list, _| {
1637 assert_eq!(
1638 list.available_channels().unwrap(),
1639 &[ChannelDetails {
1640 id: channel_id.to_proto(),
1641 name: "test-channel".to_string()
1642 }]
1643 )
1644 });
1645 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
1646 this.get_channel(channel_id.to_proto(), cx).unwrap()
1647 });
1648 channel_a.read_with(&cx_a, |channel, _| assert!(channel.messages().is_empty()));
1649 channel_a
1650 .condition(&cx_a, |channel, _| {
1651 channel_messages(channel)
1652 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1653 })
1654 .await;
1655
1656 let channels_b = cx_b.add_model(|cx| ChannelList::new(user_store_b, client_b, cx));
1657 channels_b
1658 .condition(&mut cx_b, |list, _| list.available_channels().is_some())
1659 .await;
1660 channels_b.read_with(&cx_b, |list, _| {
1661 assert_eq!(
1662 list.available_channels().unwrap(),
1663 &[ChannelDetails {
1664 id: channel_id.to_proto(),
1665 name: "test-channel".to_string()
1666 }]
1667 )
1668 });
1669
1670 let channel_b = channels_b.update(&mut cx_b, |this, cx| {
1671 this.get_channel(channel_id.to_proto(), cx).unwrap()
1672 });
1673 channel_b.read_with(&cx_b, |channel, _| assert!(channel.messages().is_empty()));
1674 channel_b
1675 .condition(&cx_b, |channel, _| {
1676 channel_messages(channel)
1677 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1678 })
1679 .await;
1680
1681 channel_a
1682 .update(&mut cx_a, |channel, cx| {
1683 channel
1684 .send_message("oh, hi B.".to_string(), cx)
1685 .unwrap()
1686 .detach();
1687 let task = channel.send_message("sup".to_string(), cx).unwrap();
1688 assert_eq!(
1689 channel_messages(channel),
1690 &[
1691 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1692 ("user_a".to_string(), "oh, hi B.".to_string(), true),
1693 ("user_a".to_string(), "sup".to_string(), true)
1694 ]
1695 );
1696 task
1697 })
1698 .await
1699 .unwrap();
1700
1701 channel_b
1702 .condition(&cx_b, |channel, _| {
1703 channel_messages(channel)
1704 == [
1705 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1706 ("user_a".to_string(), "oh, hi B.".to_string(), false),
1707 ("user_a".to_string(), "sup".to_string(), false),
1708 ]
1709 })
1710 .await;
1711
1712 assert_eq!(
1713 server
1714 .state()
1715 .await
1716 .channel(channel_id)
1717 .unwrap()
1718 .connection_ids
1719 .len(),
1720 2
1721 );
1722 cx_b.update(|_| drop(channel_b));
1723 server
1724 .condition(|state| state.channel(channel_id).unwrap().connection_ids.len() == 1)
1725 .await;
1726
1727 cx_a.update(|_| drop(channel_a));
1728 server
1729 .condition(|state| state.channel(channel_id).is_none())
1730 .await;
1731 }
1732
1733 #[gpui::test]
1734 async fn test_chat_message_validation(mut cx_a: TestAppContext) {
1735 cx_a.foreground().forbid_parking();
1736
1737 let mut server = TestServer::start().await;
1738 let (client_a, user_store_a) = server.create_client(&mut cx_a, "user_a").await;
1739
1740 let db = &server.app_state.db;
1741 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
1742 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
1743 db.add_org_member(org_id, current_user_id(&user_store_a, &cx_a), false)
1744 .await
1745 .unwrap();
1746 db.add_channel_member(channel_id, current_user_id(&user_store_a, &cx_a), false)
1747 .await
1748 .unwrap();
1749
1750 let channels_a = cx_a.add_model(|cx| ChannelList::new(user_store_a, client_a, cx));
1751 channels_a
1752 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
1753 .await;
1754 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
1755 this.get_channel(channel_id.to_proto(), cx).unwrap()
1756 });
1757
1758 // Messages aren't allowed to be too long.
1759 channel_a
1760 .update(&mut cx_a, |channel, cx| {
1761 let long_body = "this is long.\n".repeat(1024);
1762 channel.send_message(long_body, cx).unwrap()
1763 })
1764 .await
1765 .unwrap_err();
1766
1767 // Messages aren't allowed to be blank.
1768 channel_a.update(&mut cx_a, |channel, cx| {
1769 channel.send_message(String::new(), cx).unwrap_err()
1770 });
1771
1772 // Leading and trailing whitespace are trimmed.
1773 channel_a
1774 .update(&mut cx_a, |channel, cx| {
1775 channel
1776 .send_message("\n surrounded by whitespace \n".to_string(), cx)
1777 .unwrap()
1778 })
1779 .await
1780 .unwrap();
1781 assert_eq!(
1782 db.get_channel_messages(channel_id, 10, None)
1783 .await
1784 .unwrap()
1785 .iter()
1786 .map(|m| &m.body)
1787 .collect::<Vec<_>>(),
1788 &["surrounded by whitespace"]
1789 );
1790 }
1791
1792 #[gpui::test]
1793 async fn test_chat_reconnection(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1794 cx_a.foreground().forbid_parking();
1795
1796 // Connect to a server as 2 clients.
1797 let mut server = TestServer::start().await;
1798 let (client_a, user_store_a) = server.create_client(&mut cx_a, "user_a").await;
1799 let (client_b, user_store_b) = server.create_client(&mut cx_b, "user_b").await;
1800 let mut status_b = client_b.status();
1801
1802 // Create an org that includes these 2 users.
1803 let db = &server.app_state.db;
1804 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
1805 db.add_org_member(org_id, current_user_id(&user_store_a, &cx_a), false)
1806 .await
1807 .unwrap();
1808 db.add_org_member(org_id, current_user_id(&user_store_b, &cx_b), false)
1809 .await
1810 .unwrap();
1811
1812 // Create a channel that includes all the users.
1813 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
1814 db.add_channel_member(channel_id, current_user_id(&user_store_a, &cx_a), false)
1815 .await
1816 .unwrap();
1817 db.add_channel_member(channel_id, current_user_id(&user_store_b, &cx_b), false)
1818 .await
1819 .unwrap();
1820 db.create_channel_message(
1821 channel_id,
1822 current_user_id(&user_store_b, &cx_b),
1823 "hello A, it's B.",
1824 OffsetDateTime::now_utc(),
1825 2,
1826 )
1827 .await
1828 .unwrap();
1829
1830 let channels_a = cx_a.add_model(|cx| ChannelList::new(user_store_a, client_a, cx));
1831 channels_a
1832 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
1833 .await;
1834
1835 channels_a.read_with(&cx_a, |list, _| {
1836 assert_eq!(
1837 list.available_channels().unwrap(),
1838 &[ChannelDetails {
1839 id: channel_id.to_proto(),
1840 name: "test-channel".to_string()
1841 }]
1842 )
1843 });
1844 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
1845 this.get_channel(channel_id.to_proto(), cx).unwrap()
1846 });
1847 channel_a.read_with(&cx_a, |channel, _| assert!(channel.messages().is_empty()));
1848 channel_a
1849 .condition(&cx_a, |channel, _| {
1850 channel_messages(channel)
1851 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1852 })
1853 .await;
1854
1855 let channels_b = cx_b.add_model(|cx| ChannelList::new(user_store_b.clone(), client_b, cx));
1856 channels_b
1857 .condition(&mut cx_b, |list, _| list.available_channels().is_some())
1858 .await;
1859 channels_b.read_with(&cx_b, |list, _| {
1860 assert_eq!(
1861 list.available_channels().unwrap(),
1862 &[ChannelDetails {
1863 id: channel_id.to_proto(),
1864 name: "test-channel".to_string()
1865 }]
1866 )
1867 });
1868
1869 let channel_b = channels_b.update(&mut cx_b, |this, cx| {
1870 this.get_channel(channel_id.to_proto(), cx).unwrap()
1871 });
1872 channel_b.read_with(&cx_b, |channel, _| assert!(channel.messages().is_empty()));
1873 channel_b
1874 .condition(&cx_b, |channel, _| {
1875 channel_messages(channel)
1876 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1877 })
1878 .await;
1879
1880 // Disconnect client B, ensuring we can still access its cached channel data.
1881 server.forbid_connections();
1882 server.disconnect_client(current_user_id(&user_store_b, &cx_b));
1883 while !matches!(
1884 status_b.recv().await,
1885 Some(rpc::Status::ReconnectionError { .. })
1886 ) {}
1887
1888 channels_b.read_with(&cx_b, |channels, _| {
1889 assert_eq!(
1890 channels.available_channels().unwrap(),
1891 [ChannelDetails {
1892 id: channel_id.to_proto(),
1893 name: "test-channel".to_string()
1894 }]
1895 )
1896 });
1897 channel_b.read_with(&cx_b, |channel, _| {
1898 assert_eq!(
1899 channel_messages(channel),
1900 [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1901 )
1902 });
1903
1904 // Send a message from client B while it is disconnected.
1905 channel_b
1906 .update(&mut cx_b, |channel, cx| {
1907 let task = channel
1908 .send_message("can you see this?".to_string(), cx)
1909 .unwrap();
1910 assert_eq!(
1911 channel_messages(channel),
1912 &[
1913 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1914 ("user_b".to_string(), "can you see this?".to_string(), true)
1915 ]
1916 );
1917 task
1918 })
1919 .await
1920 .unwrap_err();
1921
1922 // Send a message from client A while B is disconnected.
1923 channel_a
1924 .update(&mut cx_a, |channel, cx| {
1925 channel
1926 .send_message("oh, hi B.".to_string(), cx)
1927 .unwrap()
1928 .detach();
1929 let task = channel.send_message("sup".to_string(), cx).unwrap();
1930 assert_eq!(
1931 channel_messages(channel),
1932 &[
1933 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1934 ("user_a".to_string(), "oh, hi B.".to_string(), true),
1935 ("user_a".to_string(), "sup".to_string(), true)
1936 ]
1937 );
1938 task
1939 })
1940 .await
1941 .unwrap();
1942
1943 // Give client B a chance to reconnect.
1944 server.allow_connections();
1945 cx_b.foreground().advance_clock(Duration::from_secs(10));
1946
1947 // Verify that B sees the new messages upon reconnection, as well as the message client B
1948 // sent while offline.
1949 channel_b
1950 .condition(&cx_b, |channel, _| {
1951 channel_messages(channel)
1952 == [
1953 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1954 ("user_a".to_string(), "oh, hi B.".to_string(), false),
1955 ("user_a".to_string(), "sup".to_string(), false),
1956 ("user_b".to_string(), "can you see this?".to_string(), false),
1957 ]
1958 })
1959 .await;
1960
1961 // Ensure client A and B can communicate normally after reconnection.
1962 channel_a
1963 .update(&mut cx_a, |channel, cx| {
1964 channel.send_message("you online?".to_string(), cx).unwrap()
1965 })
1966 .await
1967 .unwrap();
1968 channel_b
1969 .condition(&cx_b, |channel, _| {
1970 channel_messages(channel)
1971 == [
1972 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1973 ("user_a".to_string(), "oh, hi B.".to_string(), false),
1974 ("user_a".to_string(), "sup".to_string(), false),
1975 ("user_b".to_string(), "can you see this?".to_string(), false),
1976 ("user_a".to_string(), "you online?".to_string(), false),
1977 ]
1978 })
1979 .await;
1980
1981 channel_b
1982 .update(&mut cx_b, |channel, cx| {
1983 channel.send_message("yep".to_string(), cx).unwrap()
1984 })
1985 .await
1986 .unwrap();
1987 channel_a
1988 .condition(&cx_a, |channel, _| {
1989 channel_messages(channel)
1990 == [
1991 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1992 ("user_a".to_string(), "oh, hi B.".to_string(), false),
1993 ("user_a".to_string(), "sup".to_string(), false),
1994 ("user_b".to_string(), "can you see this?".to_string(), false),
1995 ("user_a".to_string(), "you online?".to_string(), false),
1996 ("user_b".to_string(), "yep".to_string(), false),
1997 ]
1998 })
1999 .await;
2000 }
2001
2002 #[gpui::test]
2003 async fn test_collaborators(
2004 mut cx_a: TestAppContext,
2005 mut cx_b: TestAppContext,
2006 mut cx_c: TestAppContext,
2007 ) {
2008 cx_a.foreground().forbid_parking();
2009 let lang_registry = Arc::new(LanguageRegistry::new());
2010
2011 // Connect to a server as 3 clients.
2012 let mut server = TestServer::start().await;
2013 let (client_a, user_store_a) = server.create_client(&mut cx_a, "user_a").await;
2014 let (client_b, user_store_b) = server.create_client(&mut cx_b, "user_b").await;
2015 let (_client_c, user_store_c) = server.create_client(&mut cx_c, "user_c").await;
2016
2017 let fs = Arc::new(FakeFs::new());
2018
2019 // Share a worktree as client A.
2020 fs.insert_tree(
2021 "/a",
2022 json!({
2023 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
2024 }),
2025 )
2026 .await;
2027
2028 let worktree_a = Worktree::open_local(
2029 client_a.clone(),
2030 "/a".as_ref(),
2031 fs.clone(),
2032 lang_registry.clone(),
2033 &mut cx_a.to_async(),
2034 )
2035 .await
2036 .unwrap();
2037
2038 user_store_a
2039 .condition(&cx_a, |user_store, _| {
2040 collaborators(user_store) == vec![("user_a", vec![("a", vec![])])]
2041 })
2042 .await;
2043 user_store_b
2044 .condition(&cx_b, |user_store, _| {
2045 collaborators(user_store) == vec![("user_a", vec![("a", vec![])])]
2046 })
2047 .await;
2048 user_store_c
2049 .condition(&cx_c, |user_store, _| {
2050 collaborators(user_store) == vec![("user_a", vec![("a", vec![])])]
2051 })
2052 .await;
2053
2054 let worktree_id = worktree_a
2055 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
2056 .await
2057 .unwrap();
2058
2059 let _worktree_b = Worktree::open_remote(
2060 client_b.clone(),
2061 worktree_id,
2062 lang_registry.clone(),
2063 &mut cx_b.to_async(),
2064 )
2065 .await
2066 .unwrap();
2067
2068 user_store_a
2069 .condition(&cx_a, |user_store, _| {
2070 collaborators(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2071 })
2072 .await;
2073 user_store_b
2074 .condition(&cx_b, |user_store, _| {
2075 collaborators(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2076 })
2077 .await;
2078 user_store_c
2079 .condition(&cx_c, |user_store, _| {
2080 collaborators(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2081 })
2082 .await;
2083
2084 cx_a.update(move |_| drop(worktree_a));
2085 user_store_a
2086 .condition(&cx_a, |user_store, _| collaborators(user_store) == vec![])
2087 .await;
2088 user_store_b
2089 .condition(&cx_b, |user_store, _| collaborators(user_store) == vec![])
2090 .await;
2091 user_store_c
2092 .condition(&cx_c, |user_store, _| collaborators(user_store) == vec![])
2093 .await;
2094
2095 fn collaborators(user_store: &UserStore) -> Vec<(&str, Vec<(&str, Vec<&str>)>)> {
2096 user_store
2097 .collaborators()
2098 .iter()
2099 .map(|collaborator| {
2100 let worktrees = collaborator
2101 .worktrees
2102 .iter()
2103 .map(|w| {
2104 (
2105 w.root_name.as_str(),
2106 w.guests.iter().map(|p| p.github_login.as_str()).collect(),
2107 )
2108 })
2109 .collect();
2110 (collaborator.user.github_login.as_str(), worktrees)
2111 })
2112 .collect()
2113 }
2114 }
2115
2116 struct TestServer {
2117 peer: Arc<Peer>,
2118 app_state: Arc<AppState>,
2119 server: Arc<Server>,
2120 notifications: mpsc::Receiver<()>,
2121 connection_killers: Arc<Mutex<HashMap<UserId, watch::Sender<Option<()>>>>>,
2122 forbid_connections: Arc<AtomicBool>,
2123 _test_db: TestDb,
2124 }
2125
2126 impl TestServer {
2127 async fn start() -> Self {
2128 let test_db = TestDb::new();
2129 let app_state = Self::build_app_state(&test_db).await;
2130 let peer = Peer::new();
2131 let notifications = mpsc::channel(128);
2132 let server = Server::new(app_state.clone(), peer.clone(), Some(notifications.0));
2133 Self {
2134 peer,
2135 app_state,
2136 server,
2137 notifications: notifications.1,
2138 connection_killers: Default::default(),
2139 forbid_connections: Default::default(),
2140 _test_db: test_db,
2141 }
2142 }
2143
2144 async fn create_client(
2145 &mut self,
2146 cx: &mut TestAppContext,
2147 name: &str,
2148 ) -> (Arc<Client>, ModelHandle<UserStore>) {
2149 let user_id = self.app_state.db.create_user(name, false).await.unwrap();
2150 let client_name = name.to_string();
2151 let mut client = Client::new();
2152 let server = self.server.clone();
2153 let connection_killers = self.connection_killers.clone();
2154 let forbid_connections = self.forbid_connections.clone();
2155 Arc::get_mut(&mut client)
2156 .unwrap()
2157 .override_authenticate(move |cx| {
2158 cx.spawn(|_| async move {
2159 let access_token = "the-token".to_string();
2160 Ok(Credentials {
2161 user_id: user_id.0 as u64,
2162 access_token,
2163 })
2164 })
2165 })
2166 .override_establish_connection(move |credentials, cx| {
2167 assert_eq!(credentials.user_id, user_id.0 as u64);
2168 assert_eq!(credentials.access_token, "the-token");
2169
2170 let server = server.clone();
2171 let connection_killers = connection_killers.clone();
2172 let forbid_connections = forbid_connections.clone();
2173 let client_name = client_name.clone();
2174 cx.spawn(move |cx| async move {
2175 if forbid_connections.load(SeqCst) {
2176 Err(EstablishConnectionError::other(anyhow!(
2177 "server is forbidding connections"
2178 )))
2179 } else {
2180 let (client_conn, server_conn, kill_conn) = Connection::in_memory();
2181 connection_killers.lock().insert(user_id, kill_conn);
2182 cx.background()
2183 .spawn(server.handle_connection(server_conn, client_name, user_id))
2184 .detach();
2185 Ok(client_conn)
2186 }
2187 })
2188 });
2189
2190 let http = FakeHttpClient::new(|_| async move { Ok(surf::http::Response::new(404)) });
2191 client
2192 .authenticate_and_connect(&cx.to_async())
2193 .await
2194 .unwrap();
2195
2196 let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http, cx));
2197 let mut authed_user =
2198 user_store.read_with(cx, |user_store, _| user_store.watch_current_user());
2199 while authed_user.recv().await.unwrap().is_none() {}
2200
2201 (client, user_store)
2202 }
2203
2204 fn disconnect_client(&self, user_id: UserId) {
2205 if let Some(mut kill_conn) = self.connection_killers.lock().remove(&user_id) {
2206 let _ = kill_conn.try_send(Some(()));
2207 }
2208 }
2209
2210 fn forbid_connections(&self) {
2211 self.forbid_connections.store(true, SeqCst);
2212 }
2213
2214 fn allow_connections(&self) {
2215 self.forbid_connections.store(false, SeqCst);
2216 }
2217
2218 async fn build_app_state(test_db: &TestDb) -> Arc<AppState> {
2219 let mut config = Config::default();
2220 config.session_secret = "a".repeat(32);
2221 config.database_url = test_db.url.clone();
2222 let github_client = github::AppClient::test();
2223 Arc::new(AppState {
2224 db: test_db.db().clone(),
2225 handlebars: Default::default(),
2226 auth_client: auth::build_client("", ""),
2227 repo_client: github::RepoClient::test(&github_client),
2228 github_client,
2229 config,
2230 })
2231 }
2232
2233 async fn state<'a>(&'a self) -> RwLockReadGuard<'a, Store> {
2234 self.server.store.read().await
2235 }
2236
2237 async fn condition<F>(&mut self, mut predicate: F)
2238 where
2239 F: FnMut(&Store) -> bool,
2240 {
2241 async_std::future::timeout(Duration::from_millis(500), async {
2242 while !(predicate)(&*self.server.store.read().await) {
2243 self.notifications.recv().await;
2244 }
2245 })
2246 .await
2247 .expect("condition timed out");
2248 }
2249 }
2250
2251 impl Drop for TestServer {
2252 fn drop(&mut self) {
2253 task::block_on(self.peer.reset());
2254 }
2255 }
2256
2257 fn current_user_id(user_store: &ModelHandle<UserStore>, cx: &TestAppContext) -> UserId {
2258 UserId::from_proto(
2259 user_store.read_with(cx, |user_store, _| user_store.current_user().unwrap().id),
2260 )
2261 }
2262
2263 fn channel_messages(channel: &Channel) -> Vec<(String, String, bool)> {
2264 channel
2265 .messages()
2266 .cursor::<(), ()>()
2267 .map(|m| {
2268 (
2269 m.sender.github_login.clone(),
2270 m.body.clone(),
2271 m.is_pending(),
2272 )
2273 })
2274 .collect()
2275 }
2276
2277 struct EmptyView;
2278
2279 impl gpui::Entity for EmptyView {
2280 type Event = ();
2281 }
2282
2283 impl gpui::View for EmptyView {
2284 fn ui_name() -> &'static str {
2285 "empty view"
2286 }
2287
2288 fn render(&mut self, _: &mut gpui::RenderContext<Self>) -> gpui::ElementBox {
2289 gpui::Element::boxed(gpui::elements::Empty)
2290 }
2291 }
2292}