1mod store;
2
3use super::{
4 auth::process_auth_header,
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").get(move |request: Request<Arc<AppState>>| {
889 let server = server.clone();
890 async move {
891 const WEBSOCKET_GUID: &str = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
892
893 let connection_upgrade = header_contains_ignore_case(&request, CONNECTION, "upgrade");
894 let upgrade_to_websocket = header_contains_ignore_case(&request, UPGRADE, "websocket");
895 let upgrade_requested = connection_upgrade && upgrade_to_websocket;
896 let client_protocol_version: Option<u32> = request
897 .header("X-Zed-Protocol-Version")
898 .and_then(|v| v.as_str().parse().ok());
899
900 if !upgrade_requested || client_protocol_version != Some(zrpc::PROTOCOL_VERSION) {
901 return Ok(Response::new(StatusCode::UpgradeRequired));
902 }
903
904 let header = match request.header("Sec-Websocket-Key") {
905 Some(h) => h.as_str(),
906 None => return Err(anyhow!("expected sec-websocket-key"))?,
907 };
908
909 let user_id = process_auth_header(&request).await?;
910
911 let mut response = Response::new(StatusCode::SwitchingProtocols);
912 response.insert_header(UPGRADE, "websocket");
913 response.insert_header(CONNECTION, "Upgrade");
914 let hash = Sha1::new().chain(header).chain(WEBSOCKET_GUID).finalize();
915 response.insert_header("Sec-Websocket-Accept", base64::encode(&hash[..]));
916 response.insert_header("Sec-Websocket-Version", "13");
917
918 let http_res: &mut tide::http::Response = response.as_mut();
919 let upgrade_receiver = http_res.recv_upgrade().await;
920 let addr = request.remote().unwrap_or("unknown").to_string();
921 task::spawn(async move {
922 if let Some(stream) = upgrade_receiver.await {
923 server
924 .handle_connection(
925 Connection::new(
926 WebSocketStream::from_raw_socket(stream, Role::Server, None).await,
927 ),
928 addr,
929 user_id,
930 )
931 .await;
932 }
933 });
934
935 Ok(response)
936 }
937 });
938}
939
940fn header_contains_ignore_case<T>(
941 request: &tide::Request<T>,
942 header_name: HeaderName,
943 value: &str,
944) -> bool {
945 request
946 .header(header_name)
947 .map(|h| {
948 h.as_str()
949 .split(',')
950 .any(|s| s.trim().eq_ignore_ascii_case(value.trim()))
951 })
952 .unwrap_or(false)
953}
954
955#[cfg(test)]
956mod tests {
957 use super::*;
958 use crate::{
959 auth,
960 db::{tests::TestDb, UserId},
961 github, AppState, Config,
962 };
963 use async_std::{sync::RwLockReadGuard, task};
964 use gpui::{ModelHandle, TestAppContext};
965 use parking_lot::Mutex;
966 use postage::{mpsc, watch};
967 use serde_json::json;
968 use sqlx::types::time::OffsetDateTime;
969 use std::{
970 path::Path,
971 sync::{
972 atomic::{AtomicBool, Ordering::SeqCst},
973 Arc,
974 },
975 time::Duration,
976 };
977 use zed::{
978 channel::{Channel, ChannelDetails, ChannelList},
979 editor::{Editor, EditorStyle, Insert},
980 fs::{FakeFs, Fs as _},
981 language::LanguageRegistry,
982 people_panel::JoinWorktree,
983 rpc::{self, Client, Credentials, EstablishConnectionError},
984 settings,
985 test::FakeHttpClient,
986 user::UserStore,
987 workspace::Workspace,
988 worktree::Worktree,
989 };
990 use zrpc::Peer;
991
992 #[gpui::test]
993 async fn test_share_worktree(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
994 let (window_b, _) = cx_b.add_window(|_| EmptyView);
995 let settings = cx_b.read(settings::test).1;
996 let lang_registry = Arc::new(LanguageRegistry::new());
997
998 // Connect to a server as 2 clients.
999 let mut server = TestServer::start().await;
1000 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
1001 let (client_b, _) = server.create_client(&mut cx_b, "user_b").await;
1002
1003 cx_a.foreground().forbid_parking();
1004
1005 // Share a local worktree as client A
1006 let fs = Arc::new(FakeFs::new());
1007 fs.insert_tree(
1008 "/a",
1009 json!({
1010 ".zed.toml": r#"collaborators = ["user_b"]"#,
1011 "a.txt": "a-contents",
1012 "b.txt": "b-contents",
1013 }),
1014 )
1015 .await;
1016 let worktree_a = Worktree::open_local(
1017 client_a.clone(),
1018 "/a".as_ref(),
1019 fs,
1020 lang_registry.clone(),
1021 &mut cx_a.to_async(),
1022 )
1023 .await
1024 .unwrap();
1025 worktree_a
1026 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1027 .await;
1028 let worktree_id = worktree_a
1029 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1030 .await
1031 .unwrap();
1032
1033 // Join that worktree as client B, and see that a guest has joined as client A.
1034 let worktree_b = Worktree::open_remote(
1035 client_b.clone(),
1036 worktree_id,
1037 lang_registry.clone(),
1038 &mut cx_b.to_async(),
1039 )
1040 .await
1041 .unwrap();
1042 let replica_id_b = worktree_b.read_with(&cx_b, |tree, _| tree.replica_id());
1043 worktree_a
1044 .condition(&cx_a, |tree, _| {
1045 tree.peers()
1046 .values()
1047 .any(|replica_id| *replica_id == replica_id_b)
1048 })
1049 .await;
1050
1051 // Open the same file as client B and client A.
1052 let buffer_b = worktree_b
1053 .update(&mut cx_b, |worktree, cx| worktree.open_buffer("b.txt", cx))
1054 .await
1055 .unwrap();
1056 buffer_b.read_with(&cx_b, |buf, _| assert_eq!(buf.text(), "b-contents"));
1057 worktree_a.read_with(&cx_a, |tree, cx| assert!(tree.has_open_buffer("b.txt", cx)));
1058 let buffer_a = worktree_a
1059 .update(&mut cx_a, |tree, cx| tree.open_buffer("b.txt", cx))
1060 .await
1061 .unwrap();
1062
1063 // Create a selection set as client B and see that selection set as client A.
1064 let editor_b = cx_b.add_view(window_b, |cx| {
1065 Editor::for_buffer(
1066 buffer_b,
1067 settings,
1068 |cx| EditorStyle::test(cx.font_cache()),
1069 cx,
1070 )
1071 });
1072 buffer_a
1073 .condition(&cx_a, |buffer, _| buffer.selection_sets().count() == 1)
1074 .await;
1075
1076 // Edit the buffer as client B and see that edit as client A.
1077 editor_b.update(&mut cx_b, |editor, cx| {
1078 editor.insert(&Insert("ok, ".into()), cx)
1079 });
1080 buffer_a
1081 .condition(&cx_a, |buffer, _| buffer.text() == "ok, b-contents")
1082 .await;
1083
1084 // Remove the selection set as client B, see those selections disappear as client A.
1085 cx_b.update(move |_| drop(editor_b));
1086 buffer_a
1087 .condition(&cx_a, |buffer, _| buffer.selection_sets().count() == 0)
1088 .await;
1089
1090 // Close the buffer as client A, see that the buffer is closed.
1091 cx_a.update(move |_| drop(buffer_a));
1092 worktree_a
1093 .condition(&cx_a, |tree, cx| !tree.has_open_buffer("b.txt", cx))
1094 .await;
1095
1096 // Dropping the worktree removes client B from client A's peers.
1097 cx_b.update(move |_| drop(worktree_b));
1098 worktree_a
1099 .condition(&cx_a, |tree, _| tree.peers().is_empty())
1100 .await;
1101 }
1102
1103 #[gpui::test]
1104 async fn test_unshare_worktree(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1105 cx_b.update(zed::workspace::init);
1106 let lang_registry = Arc::new(LanguageRegistry::new());
1107
1108 // Connect to a server as 2 clients.
1109 let mut server = TestServer::start().await;
1110 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
1111 let (client_b, user_store_b) = server.create_client(&mut cx_b, "user_b").await;
1112 let app_state_b = zed::AppState {
1113 rpc: client_b,
1114 user_store: user_store_b,
1115 ..Arc::try_unwrap(cx_b.update(zed::test::test_app_state))
1116 .ok()
1117 .unwrap()
1118 };
1119
1120 cx_a.foreground().forbid_parking();
1121
1122 // Share a local worktree as client A
1123 let fs = Arc::new(FakeFs::new());
1124 fs.insert_tree(
1125 "/a",
1126 json!({
1127 ".zed.toml": r#"collaborators = ["user_b"]"#,
1128 "a.txt": "a-contents",
1129 "b.txt": "b-contents",
1130 }),
1131 )
1132 .await;
1133 let worktree_a = Worktree::open_local(
1134 client_a.clone(),
1135 "/a".as_ref(),
1136 fs,
1137 lang_registry.clone(),
1138 &mut cx_a.to_async(),
1139 )
1140 .await
1141 .unwrap();
1142 worktree_a
1143 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1144 .await;
1145
1146 let remote_worktree_id = worktree_a
1147 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1148 .await
1149 .unwrap();
1150
1151 let (window_b, workspace_b) = cx_b.add_window(|cx| Workspace::new(&app_state_b, cx));
1152 cx_b.update(|cx| {
1153 cx.dispatch_action(
1154 window_b,
1155 vec![workspace_b.id()],
1156 &JoinWorktree(remote_worktree_id),
1157 );
1158 });
1159 workspace_b
1160 .condition(&cx_b, |workspace, cx| workspace.worktrees(cx).len() == 1)
1161 .await;
1162
1163 let local_worktree_id_b = workspace_b.read_with(&cx_b, |workspace, cx| {
1164 let active_pane = workspace.active_pane().read(cx);
1165 assert!(active_pane.active_item().is_none());
1166 workspace.worktrees(cx).first().unwrap().id()
1167 });
1168 workspace_b
1169 .update(&mut cx_b, |worktree, cx| {
1170 worktree.open_entry((local_worktree_id_b, Path::new("a.txt").into()), cx)
1171 })
1172 .unwrap()
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_some());
1177 });
1178
1179 worktree_a.update(&mut cx_a, |tree, cx| {
1180 tree.as_local_mut().unwrap().unshare(cx);
1181 });
1182 workspace_b
1183 .condition(&cx_b, |workspace, cx| workspace.worktrees(cx).len() == 0)
1184 .await;
1185 workspace_b.read_with(&cx_b, |workspace, cx| {
1186 let active_pane = workspace.active_pane().read(cx);
1187 assert!(active_pane.active_item().is_none());
1188 });
1189 }
1190
1191 #[gpui::test]
1192 async fn test_propagate_saves_and_fs_changes_in_shared_worktree(
1193 mut cx_a: TestAppContext,
1194 mut cx_b: TestAppContext,
1195 mut cx_c: TestAppContext,
1196 ) {
1197 cx_a.foreground().forbid_parking();
1198 let lang_registry = Arc::new(LanguageRegistry::new());
1199
1200 // Connect to a server as 3 clients.
1201 let mut server = TestServer::start().await;
1202 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
1203 let (client_b, _) = server.create_client(&mut cx_b, "user_b").await;
1204 let (client_c, _) = server.create_client(&mut cx_c, "user_c").await;
1205
1206 let fs = Arc::new(FakeFs::new());
1207
1208 // Share a worktree as client A.
1209 fs.insert_tree(
1210 "/a",
1211 json!({
1212 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
1213 "file1": "",
1214 "file2": ""
1215 }),
1216 )
1217 .await;
1218
1219 let worktree_a = Worktree::open_local(
1220 client_a.clone(),
1221 "/a".as_ref(),
1222 fs.clone(),
1223 lang_registry.clone(),
1224 &mut cx_a.to_async(),
1225 )
1226 .await
1227 .unwrap();
1228 worktree_a
1229 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1230 .await;
1231 let worktree_id = worktree_a
1232 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1233 .await
1234 .unwrap();
1235
1236 // Join that worktree as clients B and C.
1237 let worktree_b = Worktree::open_remote(
1238 client_b.clone(),
1239 worktree_id,
1240 lang_registry.clone(),
1241 &mut cx_b.to_async(),
1242 )
1243 .await
1244 .unwrap();
1245 let worktree_c = Worktree::open_remote(
1246 client_c.clone(),
1247 worktree_id,
1248 lang_registry.clone(),
1249 &mut cx_c.to_async(),
1250 )
1251 .await
1252 .unwrap();
1253
1254 // Open and edit a buffer as both guests B and C.
1255 let buffer_b = worktree_b
1256 .update(&mut cx_b, |tree, cx| tree.open_buffer("file1", cx))
1257 .await
1258 .unwrap();
1259 let buffer_c = worktree_c
1260 .update(&mut cx_c, |tree, cx| tree.open_buffer("file1", cx))
1261 .await
1262 .unwrap();
1263 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "i-am-b, ", cx));
1264 buffer_c.update(&mut cx_c, |buf, cx| buf.edit([0..0], "i-am-c, ", cx));
1265
1266 // Open and edit that buffer as the host.
1267 let buffer_a = worktree_a
1268 .update(&mut cx_a, |tree, cx| tree.open_buffer("file1", cx))
1269 .await
1270 .unwrap();
1271
1272 buffer_a
1273 .condition(&mut cx_a, |buf, _| buf.text() == "i-am-c, i-am-b, ")
1274 .await;
1275 buffer_a.update(&mut cx_a, |buf, cx| {
1276 buf.edit([buf.len()..buf.len()], "i-am-a", cx)
1277 });
1278
1279 // Wait for edits to propagate
1280 buffer_a
1281 .condition(&mut cx_a, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1282 .await;
1283 buffer_b
1284 .condition(&mut cx_b, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1285 .await;
1286 buffer_c
1287 .condition(&mut cx_c, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1288 .await;
1289
1290 // Edit the buffer as the host and concurrently save as guest B.
1291 let save_b = buffer_b.update(&mut cx_b, |buf, cx| buf.save(cx).unwrap());
1292 buffer_a.update(&mut cx_a, |buf, cx| buf.edit([0..0], "hi-a, ", cx));
1293 save_b.await.unwrap();
1294 assert_eq!(
1295 fs.load("/a/file1".as_ref()).await.unwrap(),
1296 "hi-a, i-am-c, i-am-b, i-am-a"
1297 );
1298 buffer_a.read_with(&cx_a, |buf, _| assert!(!buf.is_dirty()));
1299 buffer_b.read_with(&cx_b, |buf, _| assert!(!buf.is_dirty()));
1300 buffer_c.condition(&cx_c, |buf, _| !buf.is_dirty()).await;
1301
1302 // Make changes on host's file system, see those changes on the guests.
1303 fs.rename("/a/file2".as_ref(), "/a/file3".as_ref())
1304 .await
1305 .unwrap();
1306 fs.insert_file(Path::new("/a/file4"), "4".into())
1307 .await
1308 .unwrap();
1309
1310 worktree_b
1311 .condition(&cx_b, |tree, _| tree.file_count() == 4)
1312 .await;
1313 worktree_c
1314 .condition(&cx_c, |tree, _| tree.file_count() == 4)
1315 .await;
1316 worktree_b.read_with(&cx_b, |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 worktree_c.read_with(&cx_c, |tree, _| {
1325 assert_eq!(
1326 tree.paths()
1327 .map(|p| p.to_string_lossy())
1328 .collect::<Vec<_>>(),
1329 &[".zed.toml", "file1", "file3", "file4"]
1330 )
1331 });
1332 }
1333
1334 #[gpui::test]
1335 async fn test_buffer_conflict_after_save(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1336 cx_a.foreground().forbid_parking();
1337 let lang_registry = Arc::new(LanguageRegistry::new());
1338
1339 // Connect to a server as 2 clients.
1340 let mut server = TestServer::start().await;
1341 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
1342 let (client_b, _) = server.create_client(&mut cx_b, "user_b").await;
1343
1344 // Share a local worktree as client A
1345 let fs = Arc::new(FakeFs::new());
1346 fs.insert_tree(
1347 "/dir",
1348 json!({
1349 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
1350 "a.txt": "a-contents",
1351 }),
1352 )
1353 .await;
1354
1355 let worktree_a = Worktree::open_local(
1356 client_a.clone(),
1357 "/dir".as_ref(),
1358 fs,
1359 lang_registry.clone(),
1360 &mut cx_a.to_async(),
1361 )
1362 .await
1363 .unwrap();
1364 worktree_a
1365 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1366 .await;
1367 let worktree_id = worktree_a
1368 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1369 .await
1370 .unwrap();
1371
1372 // Join that worktree as client B, and see that a guest has joined as client A.
1373 let worktree_b = Worktree::open_remote(
1374 client_b.clone(),
1375 worktree_id,
1376 lang_registry.clone(),
1377 &mut cx_b.to_async(),
1378 )
1379 .await
1380 .unwrap();
1381
1382 let buffer_b = worktree_b
1383 .update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx))
1384 .await
1385 .unwrap();
1386 let mtime = buffer_b.read_with(&cx_b, |buf, _| buf.file().unwrap().mtime);
1387
1388 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "world ", cx));
1389 buffer_b.read_with(&cx_b, |buf, _| {
1390 assert!(buf.is_dirty());
1391 assert!(!buf.has_conflict());
1392 });
1393
1394 buffer_b
1395 .update(&mut cx_b, |buf, cx| buf.save(cx))
1396 .unwrap()
1397 .await
1398 .unwrap();
1399 worktree_b
1400 .condition(&cx_b, |_, cx| {
1401 buffer_b.read(cx).file().unwrap().mtime != mtime
1402 })
1403 .await;
1404 buffer_b.read_with(&cx_b, |buf, _| {
1405 assert!(!buf.is_dirty());
1406 assert!(!buf.has_conflict());
1407 });
1408
1409 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "hello ", cx));
1410 buffer_b.read_with(&cx_b, |buf, _| {
1411 assert!(buf.is_dirty());
1412 assert!(!buf.has_conflict());
1413 });
1414 }
1415
1416 #[gpui::test]
1417 async fn test_editing_while_guest_opens_buffer(
1418 mut cx_a: TestAppContext,
1419 mut cx_b: TestAppContext,
1420 ) {
1421 cx_a.foreground().forbid_parking();
1422 let lang_registry = Arc::new(LanguageRegistry::new());
1423
1424 // Connect to a server as 2 clients.
1425 let mut server = TestServer::start().await;
1426 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
1427 let (client_b, _) = server.create_client(&mut cx_b, "user_b").await;
1428
1429 // Share a local worktree as client A
1430 let fs = Arc::new(FakeFs::new());
1431 fs.insert_tree(
1432 "/dir",
1433 json!({
1434 ".zed.toml": r#"collaborators = ["user_b"]"#,
1435 "a.txt": "a-contents",
1436 }),
1437 )
1438 .await;
1439 let worktree_a = Worktree::open_local(
1440 client_a.clone(),
1441 "/dir".as_ref(),
1442 fs,
1443 lang_registry.clone(),
1444 &mut cx_a.to_async(),
1445 )
1446 .await
1447 .unwrap();
1448 worktree_a
1449 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1450 .await;
1451 let worktree_id = worktree_a
1452 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1453 .await
1454 .unwrap();
1455
1456 // Join that worktree as client B, and see that a guest has joined as client A.
1457 let worktree_b = Worktree::open_remote(
1458 client_b.clone(),
1459 worktree_id,
1460 lang_registry.clone(),
1461 &mut cx_b.to_async(),
1462 )
1463 .await
1464 .unwrap();
1465
1466 let buffer_a = worktree_a
1467 .update(&mut cx_a, |tree, cx| tree.open_buffer("a.txt", cx))
1468 .await
1469 .unwrap();
1470 let buffer_b = cx_b
1471 .background()
1472 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx)));
1473
1474 task::yield_now().await;
1475 buffer_a.update(&mut cx_a, |buf, cx| buf.edit([0..0], "z", cx));
1476
1477 let text = buffer_a.read_with(&cx_a, |buf, _| buf.text());
1478 let buffer_b = buffer_b.await.unwrap();
1479 buffer_b.condition(&cx_b, |buf, _| buf.text() == text).await;
1480 }
1481
1482 #[gpui::test]
1483 async fn test_leaving_worktree_while_opening_buffer(
1484 mut cx_a: TestAppContext,
1485 mut cx_b: TestAppContext,
1486 ) {
1487 cx_a.foreground().forbid_parking();
1488 let lang_registry = Arc::new(LanguageRegistry::new());
1489
1490 // Connect to a server as 2 clients.
1491 let mut server = TestServer::start().await;
1492 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
1493 let (client_b, _) = server.create_client(&mut cx_b, "user_b").await;
1494
1495 // Share a local worktree as client A
1496 let fs = Arc::new(FakeFs::new());
1497 fs.insert_tree(
1498 "/dir",
1499 json!({
1500 ".zed.toml": r#"collaborators = ["user_b"]"#,
1501 "a.txt": "a-contents",
1502 }),
1503 )
1504 .await;
1505 let worktree_a = Worktree::open_local(
1506 client_a.clone(),
1507 "/dir".as_ref(),
1508 fs,
1509 lang_registry.clone(),
1510 &mut cx_a.to_async(),
1511 )
1512 .await
1513 .unwrap();
1514 worktree_a
1515 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1516 .await;
1517 let worktree_id = worktree_a
1518 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1519 .await
1520 .unwrap();
1521
1522 // Join that worktree as client B, and see that a guest has joined as client A.
1523 let worktree_b = Worktree::open_remote(
1524 client_b.clone(),
1525 worktree_id,
1526 lang_registry.clone(),
1527 &mut cx_b.to_async(),
1528 )
1529 .await
1530 .unwrap();
1531 worktree_a
1532 .condition(&cx_a, |tree, _| tree.peers().len() == 1)
1533 .await;
1534
1535 let buffer_b = cx_b
1536 .background()
1537 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx)));
1538 cx_b.update(|_| drop(worktree_b));
1539 drop(buffer_b);
1540 worktree_a
1541 .condition(&cx_a, |tree, _| tree.peers().len() == 0)
1542 .await;
1543 }
1544
1545 #[gpui::test]
1546 async fn test_peer_disconnection(mut cx_a: TestAppContext, cx_b: TestAppContext) {
1547 cx_a.foreground().forbid_parking();
1548 let lang_registry = Arc::new(LanguageRegistry::new());
1549
1550 // Connect to a server as 2 clients.
1551 let mut server = TestServer::start().await;
1552 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
1553 let (client_b, _) = server.create_client(&mut cx_a, "user_b").await;
1554
1555 // Share a local worktree as client A
1556 let fs = Arc::new(FakeFs::new());
1557 fs.insert_tree(
1558 "/a",
1559 json!({
1560 ".zed.toml": r#"collaborators = ["user_b"]"#,
1561 "a.txt": "a-contents",
1562 "b.txt": "b-contents",
1563 }),
1564 )
1565 .await;
1566 let worktree_a = Worktree::open_local(
1567 client_a.clone(),
1568 "/a".as_ref(),
1569 fs,
1570 lang_registry.clone(),
1571 &mut cx_a.to_async(),
1572 )
1573 .await
1574 .unwrap();
1575 worktree_a
1576 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1577 .await;
1578 let worktree_id = worktree_a
1579 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1580 .await
1581 .unwrap();
1582
1583 // Join that worktree as client B, and see that a guest has joined as client A.
1584 let _worktree_b = Worktree::open_remote(
1585 client_b.clone(),
1586 worktree_id,
1587 lang_registry.clone(),
1588 &mut cx_b.to_async(),
1589 )
1590 .await
1591 .unwrap();
1592 worktree_a
1593 .condition(&cx_a, |tree, _| tree.peers().len() == 1)
1594 .await;
1595
1596 // Drop client B's connection and ensure client A observes client B leaving the worktree.
1597 client_b.disconnect(&cx_b.to_async()).await.unwrap();
1598 worktree_a
1599 .condition(&cx_a, |tree, _| tree.peers().len() == 0)
1600 .await;
1601 }
1602
1603 #[gpui::test]
1604 async fn test_basic_chat(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1605 cx_a.foreground().forbid_parking();
1606
1607 // Connect to a server as 2 clients.
1608 let mut server = TestServer::start().await;
1609 let (client_a, user_store_a) = server.create_client(&mut cx_a, "user_a").await;
1610 let (client_b, user_store_b) = server.create_client(&mut cx_b, "user_b").await;
1611
1612 // Create an org that includes these 2 users.
1613 let db = &server.app_state.db;
1614 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
1615 db.add_org_member(org_id, current_user_id(&user_store_a, &cx_a), false)
1616 .await
1617 .unwrap();
1618 db.add_org_member(org_id, current_user_id(&user_store_b, &cx_b), false)
1619 .await
1620 .unwrap();
1621
1622 // Create a channel that includes all the users.
1623 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
1624 db.add_channel_member(channel_id, current_user_id(&user_store_a, &cx_a), false)
1625 .await
1626 .unwrap();
1627 db.add_channel_member(channel_id, current_user_id(&user_store_b, &cx_b), false)
1628 .await
1629 .unwrap();
1630 db.create_channel_message(
1631 channel_id,
1632 current_user_id(&user_store_b, &cx_b),
1633 "hello A, it's B.",
1634 OffsetDateTime::now_utc(),
1635 1,
1636 )
1637 .await
1638 .unwrap();
1639
1640 let channels_a = cx_a.add_model(|cx| ChannelList::new(user_store_a, client_a, cx));
1641 channels_a
1642 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
1643 .await;
1644 channels_a.read_with(&cx_a, |list, _| {
1645 assert_eq!(
1646 list.available_channels().unwrap(),
1647 &[ChannelDetails {
1648 id: channel_id.to_proto(),
1649 name: "test-channel".to_string()
1650 }]
1651 )
1652 });
1653 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
1654 this.get_channel(channel_id.to_proto(), cx).unwrap()
1655 });
1656 channel_a.read_with(&cx_a, |channel, _| assert!(channel.messages().is_empty()));
1657 channel_a
1658 .condition(&cx_a, |channel, _| {
1659 channel_messages(channel)
1660 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1661 })
1662 .await;
1663
1664 let channels_b = cx_b.add_model(|cx| ChannelList::new(user_store_b, client_b, cx));
1665 channels_b
1666 .condition(&mut cx_b, |list, _| list.available_channels().is_some())
1667 .await;
1668 channels_b.read_with(&cx_b, |list, _| {
1669 assert_eq!(
1670 list.available_channels().unwrap(),
1671 &[ChannelDetails {
1672 id: channel_id.to_proto(),
1673 name: "test-channel".to_string()
1674 }]
1675 )
1676 });
1677
1678 let channel_b = channels_b.update(&mut cx_b, |this, cx| {
1679 this.get_channel(channel_id.to_proto(), cx).unwrap()
1680 });
1681 channel_b.read_with(&cx_b, |channel, _| assert!(channel.messages().is_empty()));
1682 channel_b
1683 .condition(&cx_b, |channel, _| {
1684 channel_messages(channel)
1685 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1686 })
1687 .await;
1688
1689 channel_a
1690 .update(&mut cx_a, |channel, cx| {
1691 channel
1692 .send_message("oh, hi B.".to_string(), cx)
1693 .unwrap()
1694 .detach();
1695 let task = channel.send_message("sup".to_string(), cx).unwrap();
1696 assert_eq!(
1697 channel_messages(channel),
1698 &[
1699 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1700 ("user_a".to_string(), "oh, hi B.".to_string(), true),
1701 ("user_a".to_string(), "sup".to_string(), true)
1702 ]
1703 );
1704 task
1705 })
1706 .await
1707 .unwrap();
1708
1709 channel_b
1710 .condition(&cx_b, |channel, _| {
1711 channel_messages(channel)
1712 == [
1713 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1714 ("user_a".to_string(), "oh, hi B.".to_string(), false),
1715 ("user_a".to_string(), "sup".to_string(), false),
1716 ]
1717 })
1718 .await;
1719
1720 assert_eq!(
1721 server
1722 .state()
1723 .await
1724 .channel(channel_id)
1725 .unwrap()
1726 .connection_ids
1727 .len(),
1728 2
1729 );
1730 cx_b.update(|_| drop(channel_b));
1731 server
1732 .condition(|state| state.channel(channel_id).unwrap().connection_ids.len() == 1)
1733 .await;
1734
1735 cx_a.update(|_| drop(channel_a));
1736 server
1737 .condition(|state| state.channel(channel_id).is_none())
1738 .await;
1739 }
1740
1741 #[gpui::test]
1742 async fn test_chat_message_validation(mut cx_a: TestAppContext) {
1743 cx_a.foreground().forbid_parking();
1744
1745 let mut server = TestServer::start().await;
1746 let (client_a, user_store_a) = server.create_client(&mut cx_a, "user_a").await;
1747
1748 let db = &server.app_state.db;
1749 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
1750 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
1751 db.add_org_member(org_id, current_user_id(&user_store_a, &cx_a), false)
1752 .await
1753 .unwrap();
1754 db.add_channel_member(channel_id, current_user_id(&user_store_a, &cx_a), false)
1755 .await
1756 .unwrap();
1757
1758 let channels_a = cx_a.add_model(|cx| ChannelList::new(user_store_a, client_a, cx));
1759 channels_a
1760 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
1761 .await;
1762 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
1763 this.get_channel(channel_id.to_proto(), cx).unwrap()
1764 });
1765
1766 // Messages aren't allowed to be too long.
1767 channel_a
1768 .update(&mut cx_a, |channel, cx| {
1769 let long_body = "this is long.\n".repeat(1024);
1770 channel.send_message(long_body, cx).unwrap()
1771 })
1772 .await
1773 .unwrap_err();
1774
1775 // Messages aren't allowed to be blank.
1776 channel_a.update(&mut cx_a, |channel, cx| {
1777 channel.send_message(String::new(), cx).unwrap_err()
1778 });
1779
1780 // Leading and trailing whitespace are trimmed.
1781 channel_a
1782 .update(&mut cx_a, |channel, cx| {
1783 channel
1784 .send_message("\n surrounded by whitespace \n".to_string(), cx)
1785 .unwrap()
1786 })
1787 .await
1788 .unwrap();
1789 assert_eq!(
1790 db.get_channel_messages(channel_id, 10, None)
1791 .await
1792 .unwrap()
1793 .iter()
1794 .map(|m| &m.body)
1795 .collect::<Vec<_>>(),
1796 &["surrounded by whitespace"]
1797 );
1798 }
1799
1800 #[gpui::test]
1801 async fn test_chat_reconnection(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1802 cx_a.foreground().forbid_parking();
1803
1804 // Connect to a server as 2 clients.
1805 let mut server = TestServer::start().await;
1806 let (client_a, user_store_a) = server.create_client(&mut cx_a, "user_a").await;
1807 let (client_b, user_store_b) = server.create_client(&mut cx_b, "user_b").await;
1808 let mut status_b = client_b.status();
1809
1810 // Create an org that includes these 2 users.
1811 let db = &server.app_state.db;
1812 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
1813 db.add_org_member(org_id, current_user_id(&user_store_a, &cx_a), false)
1814 .await
1815 .unwrap();
1816 db.add_org_member(org_id, current_user_id(&user_store_b, &cx_b), false)
1817 .await
1818 .unwrap();
1819
1820 // Create a channel that includes all the users.
1821 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
1822 db.add_channel_member(channel_id, current_user_id(&user_store_a, &cx_a), false)
1823 .await
1824 .unwrap();
1825 db.add_channel_member(channel_id, current_user_id(&user_store_b, &cx_b), false)
1826 .await
1827 .unwrap();
1828 db.create_channel_message(
1829 channel_id,
1830 current_user_id(&user_store_b, &cx_b),
1831 "hello A, it's B.",
1832 OffsetDateTime::now_utc(),
1833 2,
1834 )
1835 .await
1836 .unwrap();
1837
1838 let channels_a = cx_a.add_model(|cx| ChannelList::new(user_store_a, client_a, cx));
1839 channels_a
1840 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
1841 .await;
1842
1843 channels_a.read_with(&cx_a, |list, _| {
1844 assert_eq!(
1845 list.available_channels().unwrap(),
1846 &[ChannelDetails {
1847 id: channel_id.to_proto(),
1848 name: "test-channel".to_string()
1849 }]
1850 )
1851 });
1852 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
1853 this.get_channel(channel_id.to_proto(), cx).unwrap()
1854 });
1855 channel_a.read_with(&cx_a, |channel, _| assert!(channel.messages().is_empty()));
1856 channel_a
1857 .condition(&cx_a, |channel, _| {
1858 channel_messages(channel)
1859 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1860 })
1861 .await;
1862
1863 let channels_b = cx_b.add_model(|cx| ChannelList::new(user_store_b.clone(), client_b, cx));
1864 channels_b
1865 .condition(&mut cx_b, |list, _| list.available_channels().is_some())
1866 .await;
1867 channels_b.read_with(&cx_b, |list, _| {
1868 assert_eq!(
1869 list.available_channels().unwrap(),
1870 &[ChannelDetails {
1871 id: channel_id.to_proto(),
1872 name: "test-channel".to_string()
1873 }]
1874 )
1875 });
1876
1877 let channel_b = channels_b.update(&mut cx_b, |this, cx| {
1878 this.get_channel(channel_id.to_proto(), cx).unwrap()
1879 });
1880 channel_b.read_with(&cx_b, |channel, _| assert!(channel.messages().is_empty()));
1881 channel_b
1882 .condition(&cx_b, |channel, _| {
1883 channel_messages(channel)
1884 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1885 })
1886 .await;
1887
1888 // Disconnect client B, ensuring we can still access its cached channel data.
1889 server.forbid_connections();
1890 server.disconnect_client(current_user_id(&user_store_b, &cx_b));
1891 while !matches!(
1892 status_b.recv().await,
1893 Some(rpc::Status::ReconnectionError { .. })
1894 ) {}
1895
1896 channels_b.read_with(&cx_b, |channels, _| {
1897 assert_eq!(
1898 channels.available_channels().unwrap(),
1899 [ChannelDetails {
1900 id: channel_id.to_proto(),
1901 name: "test-channel".to_string()
1902 }]
1903 )
1904 });
1905 channel_b.read_with(&cx_b, |channel, _| {
1906 assert_eq!(
1907 channel_messages(channel),
1908 [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1909 )
1910 });
1911
1912 // Send a message from client B while it is disconnected.
1913 channel_b
1914 .update(&mut cx_b, |channel, cx| {
1915 let task = channel
1916 .send_message("can you see this?".to_string(), cx)
1917 .unwrap();
1918 assert_eq!(
1919 channel_messages(channel),
1920 &[
1921 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1922 ("user_b".to_string(), "can you see this?".to_string(), true)
1923 ]
1924 );
1925 task
1926 })
1927 .await
1928 .unwrap_err();
1929
1930 // Send a message from client A while B is disconnected.
1931 channel_a
1932 .update(&mut cx_a, |channel, cx| {
1933 channel
1934 .send_message("oh, hi B.".to_string(), cx)
1935 .unwrap()
1936 .detach();
1937 let task = channel.send_message("sup".to_string(), cx).unwrap();
1938 assert_eq!(
1939 channel_messages(channel),
1940 &[
1941 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1942 ("user_a".to_string(), "oh, hi B.".to_string(), true),
1943 ("user_a".to_string(), "sup".to_string(), true)
1944 ]
1945 );
1946 task
1947 })
1948 .await
1949 .unwrap();
1950
1951 // Give client B a chance to reconnect.
1952 server.allow_connections();
1953 cx_b.foreground().advance_clock(Duration::from_secs(10));
1954
1955 // Verify that B sees the new messages upon reconnection, as well as the message client B
1956 // sent while offline.
1957 channel_b
1958 .condition(&cx_b, |channel, _| {
1959 channel_messages(channel)
1960 == [
1961 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1962 ("user_a".to_string(), "oh, hi B.".to_string(), false),
1963 ("user_a".to_string(), "sup".to_string(), false),
1964 ("user_b".to_string(), "can you see this?".to_string(), false),
1965 ]
1966 })
1967 .await;
1968
1969 // Ensure client A and B can communicate normally after reconnection.
1970 channel_a
1971 .update(&mut cx_a, |channel, cx| {
1972 channel.send_message("you online?".to_string(), cx).unwrap()
1973 })
1974 .await
1975 .unwrap();
1976 channel_b
1977 .condition(&cx_b, |channel, _| {
1978 channel_messages(channel)
1979 == [
1980 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1981 ("user_a".to_string(), "oh, hi B.".to_string(), false),
1982 ("user_a".to_string(), "sup".to_string(), false),
1983 ("user_b".to_string(), "can you see this?".to_string(), false),
1984 ("user_a".to_string(), "you online?".to_string(), false),
1985 ]
1986 })
1987 .await;
1988
1989 channel_b
1990 .update(&mut cx_b, |channel, cx| {
1991 channel.send_message("yep".to_string(), cx).unwrap()
1992 })
1993 .await
1994 .unwrap();
1995 channel_a
1996 .condition(&cx_a, |channel, _| {
1997 channel_messages(channel)
1998 == [
1999 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2000 ("user_a".to_string(), "oh, hi B.".to_string(), false),
2001 ("user_a".to_string(), "sup".to_string(), false),
2002 ("user_b".to_string(), "can you see this?".to_string(), false),
2003 ("user_a".to_string(), "you online?".to_string(), false),
2004 ("user_b".to_string(), "yep".to_string(), false),
2005 ]
2006 })
2007 .await;
2008 }
2009
2010 #[gpui::test]
2011 async fn test_collaborators(
2012 mut cx_a: TestAppContext,
2013 mut cx_b: TestAppContext,
2014 mut cx_c: TestAppContext,
2015 ) {
2016 cx_a.foreground().forbid_parking();
2017 let lang_registry = Arc::new(LanguageRegistry::new());
2018
2019 // Connect to a server as 3 clients.
2020 let mut server = TestServer::start().await;
2021 let (client_a, user_store_a) = server.create_client(&mut cx_a, "user_a").await;
2022 let (client_b, user_store_b) = server.create_client(&mut cx_b, "user_b").await;
2023 let (_client_c, user_store_c) = server.create_client(&mut cx_c, "user_c").await;
2024
2025 let fs = Arc::new(FakeFs::new());
2026
2027 // Share a worktree as client A.
2028 fs.insert_tree(
2029 "/a",
2030 json!({
2031 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
2032 }),
2033 )
2034 .await;
2035
2036 let worktree_a = Worktree::open_local(
2037 client_a.clone(),
2038 "/a".as_ref(),
2039 fs.clone(),
2040 lang_registry.clone(),
2041 &mut cx_a.to_async(),
2042 )
2043 .await
2044 .unwrap();
2045
2046 user_store_a
2047 .condition(&cx_a, |user_store, _| {
2048 collaborators(user_store) == vec![("user_a", vec![("a", vec![])])]
2049 })
2050 .await;
2051 user_store_b
2052 .condition(&cx_b, |user_store, _| {
2053 collaborators(user_store) == vec![("user_a", vec![("a", vec![])])]
2054 })
2055 .await;
2056 user_store_c
2057 .condition(&cx_c, |user_store, _| {
2058 collaborators(user_store) == vec![("user_a", vec![("a", vec![])])]
2059 })
2060 .await;
2061
2062 let worktree_id = worktree_a
2063 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
2064 .await
2065 .unwrap();
2066
2067 let _worktree_b = Worktree::open_remote(
2068 client_b.clone(),
2069 worktree_id,
2070 lang_registry.clone(),
2071 &mut cx_b.to_async(),
2072 )
2073 .await
2074 .unwrap();
2075
2076 user_store_a
2077 .condition(&cx_a, |user_store, _| {
2078 collaborators(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2079 })
2080 .await;
2081 user_store_b
2082 .condition(&cx_b, |user_store, _| {
2083 collaborators(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2084 })
2085 .await;
2086 user_store_c
2087 .condition(&cx_c, |user_store, _| {
2088 collaborators(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2089 })
2090 .await;
2091
2092 cx_a.update(move |_| drop(worktree_a));
2093 user_store_a
2094 .condition(&cx_a, |user_store, _| collaborators(user_store) == vec![])
2095 .await;
2096 user_store_b
2097 .condition(&cx_b, |user_store, _| collaborators(user_store) == vec![])
2098 .await;
2099 user_store_c
2100 .condition(&cx_c, |user_store, _| collaborators(user_store) == vec![])
2101 .await;
2102
2103 fn collaborators(user_store: &UserStore) -> Vec<(&str, Vec<(&str, Vec<&str>)>)> {
2104 user_store
2105 .collaborators()
2106 .iter()
2107 .map(|collaborator| {
2108 let worktrees = collaborator
2109 .worktrees
2110 .iter()
2111 .map(|w| {
2112 (
2113 w.root_name.as_str(),
2114 w.guests.iter().map(|p| p.github_login.as_str()).collect(),
2115 )
2116 })
2117 .collect();
2118 (collaborator.user.github_login.as_str(), worktrees)
2119 })
2120 .collect()
2121 }
2122 }
2123
2124 struct TestServer {
2125 peer: Arc<Peer>,
2126 app_state: Arc<AppState>,
2127 server: Arc<Server>,
2128 notifications: mpsc::Receiver<()>,
2129 connection_killers: Arc<Mutex<HashMap<UserId, watch::Sender<Option<()>>>>>,
2130 forbid_connections: Arc<AtomicBool>,
2131 _test_db: TestDb,
2132 }
2133
2134 impl TestServer {
2135 async fn start() -> Self {
2136 let test_db = TestDb::new();
2137 let app_state = Self::build_app_state(&test_db).await;
2138 let peer = Peer::new();
2139 let notifications = mpsc::channel(128);
2140 let server = Server::new(app_state.clone(), peer.clone(), Some(notifications.0));
2141 Self {
2142 peer,
2143 app_state,
2144 server,
2145 notifications: notifications.1,
2146 connection_killers: Default::default(),
2147 forbid_connections: Default::default(),
2148 _test_db: test_db,
2149 }
2150 }
2151
2152 async fn create_client(
2153 &mut self,
2154 cx: &mut TestAppContext,
2155 name: &str,
2156 ) -> (Arc<Client>, ModelHandle<UserStore>) {
2157 let user_id = self.app_state.db.create_user(name, false).await.unwrap();
2158 let client_name = name.to_string();
2159 let mut client = Client::new();
2160 let server = self.server.clone();
2161 let connection_killers = self.connection_killers.clone();
2162 let forbid_connections = self.forbid_connections.clone();
2163 Arc::get_mut(&mut client)
2164 .unwrap()
2165 .override_authenticate(move |cx| {
2166 cx.spawn(|_| async move {
2167 let access_token = "the-token".to_string();
2168 Ok(Credentials {
2169 user_id: user_id.0 as u64,
2170 access_token,
2171 })
2172 })
2173 })
2174 .override_establish_connection(move |credentials, cx| {
2175 assert_eq!(credentials.user_id, user_id.0 as u64);
2176 assert_eq!(credentials.access_token, "the-token");
2177
2178 let server = server.clone();
2179 let connection_killers = connection_killers.clone();
2180 let forbid_connections = forbid_connections.clone();
2181 let client_name = client_name.clone();
2182 cx.spawn(move |cx| async move {
2183 if forbid_connections.load(SeqCst) {
2184 Err(EstablishConnectionError::other(anyhow!(
2185 "server is forbidding connections"
2186 )))
2187 } else {
2188 let (client_conn, server_conn, kill_conn) = Connection::in_memory();
2189 connection_killers.lock().insert(user_id, kill_conn);
2190 cx.background()
2191 .spawn(server.handle_connection(server_conn, client_name, user_id))
2192 .detach();
2193 Ok(client_conn)
2194 }
2195 })
2196 });
2197
2198 let http = FakeHttpClient::new(|_| async move { Ok(surf::http::Response::new(404)) });
2199 client
2200 .authenticate_and_connect(&cx.to_async())
2201 .await
2202 .unwrap();
2203
2204 let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http, cx));
2205 let mut authed_user =
2206 user_store.read_with(cx, |user_store, _| user_store.watch_current_user());
2207 while authed_user.recv().await.unwrap().is_none() {}
2208
2209 (client, user_store)
2210 }
2211
2212 fn disconnect_client(&self, user_id: UserId) {
2213 if let Some(mut kill_conn) = self.connection_killers.lock().remove(&user_id) {
2214 let _ = kill_conn.try_send(Some(()));
2215 }
2216 }
2217
2218 fn forbid_connections(&self) {
2219 self.forbid_connections.store(true, SeqCst);
2220 }
2221
2222 fn allow_connections(&self) {
2223 self.forbid_connections.store(false, SeqCst);
2224 }
2225
2226 async fn build_app_state(test_db: &TestDb) -> Arc<AppState> {
2227 let mut config = Config::default();
2228 config.session_secret = "a".repeat(32);
2229 config.database_url = test_db.url.clone();
2230 let github_client = github::AppClient::test();
2231 Arc::new(AppState {
2232 db: test_db.db().clone(),
2233 handlebars: Default::default(),
2234 auth_client: auth::build_client("", ""),
2235 repo_client: github::RepoClient::test(&github_client),
2236 github_client,
2237 config,
2238 })
2239 }
2240
2241 async fn state<'a>(&'a self) -> RwLockReadGuard<'a, Store> {
2242 self.server.store.read().await
2243 }
2244
2245 async fn condition<F>(&mut self, mut predicate: F)
2246 where
2247 F: FnMut(&Store) -> bool,
2248 {
2249 async_std::future::timeout(Duration::from_millis(500), async {
2250 while !(predicate)(&*self.server.store.read().await) {
2251 self.notifications.recv().await;
2252 }
2253 })
2254 .await
2255 .expect("condition timed out");
2256 }
2257 }
2258
2259 impl Drop for TestServer {
2260 fn drop(&mut self) {
2261 task::block_on(self.peer.reset());
2262 }
2263 }
2264
2265 fn current_user_id(user_store: &ModelHandle<UserStore>, cx: &TestAppContext) -> UserId {
2266 UserId::from_proto(
2267 user_store.read_with(cx, |user_store, _| user_store.current_user().unwrap().id),
2268 )
2269 }
2270
2271 fn channel_messages(channel: &Channel) -> Vec<(String, String, bool)> {
2272 channel
2273 .messages()
2274 .cursor::<()>()
2275 .map(|m| {
2276 (
2277 m.sender.github_login.clone(),
2278 m.body.clone(),
2279 m.is_pending(),
2280 )
2281 })
2282 .collect()
2283 }
2284
2285 struct EmptyView;
2286
2287 impl gpui::Entity for EmptyView {
2288 type Event = ();
2289 }
2290
2291 impl gpui::View for EmptyView {
2292 fn ui_name() -> &'static str {
2293 "empty view"
2294 }
2295
2296 fn render(&mut self, _: &mut gpui::RenderContext<Self>) -> gpui::ElementBox {
2297 gpui::Element::boxed(gpui::elements::Empty)
2298 }
2299 }
2300}