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 rpc::{
14 proto::{self, AnyTypedEnvelope, EnvelopedMessage},
15 Connection, ConnectionId, Peer, TypedEnvelope,
16};
17use sha1::{Digest as _, Sha1};
18use std::{
19 any::TypeId,
20 collections::{HashMap, HashSet},
21 future::Future,
22 mem,
23 sync::Arc,
24 time::Instant,
25};
26use store::{JoinedWorktree, Store, Worktree};
27use surf::StatusCode;
28use tide::log;
29use tide::{
30 http::headers::{HeaderName, CONNECTION, UPGRADE},
31 Request, Response,
32};
33use time::OffsetDateTime;
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(rpc::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 ::rpc::Peer;
964 use async_std::{sync::RwLockReadGuard, task};
965 use gpui::{ModelHandle, TestAppContext};
966 use parking_lot::Mutex;
967 use postage::{mpsc, watch};
968 use serde_json::json;
969 use sqlx::types::time::OffsetDateTime;
970 use std::{
971 path::Path,
972 sync::{
973 atomic::{AtomicBool, Ordering::SeqCst},
974 Arc,
975 },
976 time::Duration,
977 };
978 use zed::{
979 client::{
980 self, test::FakeHttpClient, Channel, ChannelDetails, ChannelList, Client, Credentials,
981 EstablishConnectionError, UserStore,
982 },
983 editor::{Editor, EditorSettings, Input},
984 fs::{FakeFs, Fs as _},
985 language::LanguageRegistry,
986 people_panel::JoinWorktree,
987 project::{ProjectPath, Worktree},
988 workspace::{Workspace, WorkspaceParams},
989 };
990
991 #[gpui::test]
992 async fn test_share_worktree(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
993 let (window_b, _) = cx_b.add_window(|_| EmptyView);
994 let lang_registry = Arc::new(LanguageRegistry::new());
995
996 // Connect to a server as 2 clients.
997 let mut server = TestServer::start().await;
998 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
999 let (client_b, _) = server.create_client(&mut cx_b, "user_b").await;
1000
1001 cx_a.foreground().forbid_parking();
1002
1003 // Share a local worktree as client A
1004 let fs = Arc::new(FakeFs::new());
1005 fs.insert_tree(
1006 "/a",
1007 json!({
1008 ".zed.toml": r#"collaborators = ["user_b"]"#,
1009 "a.txt": "a-contents",
1010 "b.txt": "b-contents",
1011 }),
1012 )
1013 .await;
1014 let worktree_a = Worktree::open_local(
1015 client_a.clone(),
1016 "/a".as_ref(),
1017 fs,
1018 lang_registry.clone(),
1019 &mut cx_a.to_async(),
1020 )
1021 .await
1022 .unwrap();
1023 worktree_a
1024 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1025 .await;
1026 let worktree_id = worktree_a
1027 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1028 .await
1029 .unwrap();
1030
1031 // Join that worktree as client B, and see that a guest has joined as client A.
1032 let worktree_b = Worktree::open_remote(
1033 client_b.clone(),
1034 worktree_id,
1035 lang_registry.clone(),
1036 &mut cx_b.to_async(),
1037 )
1038 .await
1039 .unwrap();
1040 let replica_id_b = worktree_b.read_with(&cx_b, |tree, _| tree.replica_id());
1041 worktree_a
1042 .condition(&cx_a, |tree, _| {
1043 tree.peers()
1044 .values()
1045 .any(|replica_id| *replica_id == replica_id_b)
1046 })
1047 .await;
1048
1049 // Open the same file as client B and client A.
1050 let buffer_b = worktree_b
1051 .update(&mut cx_b, |worktree, cx| worktree.open_buffer("b.txt", cx))
1052 .await
1053 .unwrap();
1054 buffer_b.read_with(&cx_b, |buf, _| assert_eq!(buf.text(), "b-contents"));
1055 worktree_a.read_with(&cx_a, |tree, cx| assert!(tree.has_open_buffer("b.txt", cx)));
1056 let buffer_a = worktree_a
1057 .update(&mut cx_a, |tree, cx| tree.open_buffer("b.txt", cx))
1058 .await
1059 .unwrap();
1060
1061 // Create a selection set as client B and see that selection set as client A.
1062 let editor_b = cx_b.add_view(window_b, |cx| {
1063 Editor::for_buffer(buffer_b, |cx| EditorSettings::test(cx), cx)
1064 });
1065 buffer_a
1066 .condition(&cx_a, |buffer, _| buffer.selection_sets().count() == 1)
1067 .await;
1068
1069 // Edit the buffer as client B and see that edit as client A.
1070 editor_b.update(&mut cx_b, |editor, cx| {
1071 editor.handle_input(&Input("ok, ".into()), cx)
1072 });
1073 buffer_a
1074 .condition(&cx_a, |buffer, _| buffer.text() == "ok, b-contents")
1075 .await;
1076
1077 // Remove the selection set as client B, see those selections disappear as client A.
1078 cx_b.update(move |_| drop(editor_b));
1079 buffer_a
1080 .condition(&cx_a, |buffer, _| buffer.selection_sets().count() == 0)
1081 .await;
1082
1083 // Close the buffer as client A, see that the buffer is closed.
1084 cx_a.update(move |_| drop(buffer_a));
1085 worktree_a
1086 .condition(&cx_a, |tree, cx| !tree.has_open_buffer("b.txt", cx))
1087 .await;
1088
1089 // Dropping the worktree removes client B from client A's peers.
1090 cx_b.update(move |_| drop(worktree_b));
1091 worktree_a
1092 .condition(&cx_a, |tree, _| tree.peers().is_empty())
1093 .await;
1094 }
1095
1096 #[gpui::test]
1097 async fn test_unshare_worktree(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1098 cx_b.update(zed::people_panel::init);
1099 let lang_registry = Arc::new(LanguageRegistry::new());
1100
1101 // Connect to a server as 2 clients.
1102 let mut server = TestServer::start().await;
1103 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
1104 let (client_b, user_store_b) = server.create_client(&mut cx_b, "user_b").await;
1105 let mut workspace_b_params = cx_b.update(WorkspaceParams::test);
1106 workspace_b_params.client = client_b;
1107 workspace_b_params.user_store = user_store_b;
1108
1109 cx_a.foreground().forbid_parking();
1110
1111 // Share a local worktree as client A
1112 let fs = Arc::new(FakeFs::new());
1113 fs.insert_tree(
1114 "/a",
1115 json!({
1116 ".zed.toml": r#"collaborators = ["user_b"]"#,
1117 "a.txt": "a-contents",
1118 "b.txt": "b-contents",
1119 }),
1120 )
1121 .await;
1122 let worktree_a = Worktree::open_local(
1123 client_a.clone(),
1124 "/a".as_ref(),
1125 fs,
1126 lang_registry.clone(),
1127 &mut cx_a.to_async(),
1128 )
1129 .await
1130 .unwrap();
1131 worktree_a
1132 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1133 .await;
1134
1135 let remote_worktree_id = worktree_a
1136 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1137 .await
1138 .unwrap();
1139
1140 let (window_b, workspace_b) = cx_b.add_window(|cx| Workspace::new(&workspace_b_params, cx));
1141 cx_b.update(|cx| {
1142 cx.dispatch_action(
1143 window_b,
1144 vec![workspace_b.id()],
1145 &JoinWorktree(remote_worktree_id),
1146 );
1147 });
1148 workspace_b
1149 .condition(&cx_b, |workspace, cx| workspace.worktrees(cx).len() == 1)
1150 .await;
1151
1152 let local_worktree_id_b = workspace_b.read_with(&cx_b, |workspace, cx| {
1153 let active_pane = workspace.active_pane().read(cx);
1154 assert!(active_pane.active_item().is_none());
1155 workspace.worktrees(cx).first().unwrap().id()
1156 });
1157 workspace_b
1158 .update(&mut cx_b, |workspace, cx| {
1159 workspace.open_entry(
1160 ProjectPath {
1161 worktree_id: local_worktree_id_b,
1162 path: Path::new("a.txt").into(),
1163 },
1164 cx,
1165 )
1166 })
1167 .unwrap()
1168 .await;
1169 workspace_b.read_with(&cx_b, |workspace, cx| {
1170 let active_pane = workspace.active_pane().read(cx);
1171 assert!(active_pane.active_item().is_some());
1172 });
1173
1174 worktree_a.update(&mut cx_a, |tree, cx| {
1175 tree.as_local_mut().unwrap().unshare(cx);
1176 });
1177 workspace_b
1178 .condition(&cx_b, |workspace, cx| workspace.worktrees(cx).len() == 0)
1179 .await;
1180 workspace_b.read_with(&cx_b, |workspace, cx| {
1181 let active_pane = workspace.active_pane().read(cx);
1182 assert!(active_pane.active_item().is_none());
1183 });
1184 }
1185
1186 #[gpui::test]
1187 async fn test_propagate_saves_and_fs_changes_in_shared_worktree(
1188 mut cx_a: TestAppContext,
1189 mut cx_b: TestAppContext,
1190 mut cx_c: TestAppContext,
1191 ) {
1192 cx_a.foreground().forbid_parking();
1193 let lang_registry = Arc::new(LanguageRegistry::new());
1194
1195 // Connect to a server as 3 clients.
1196 let mut server = TestServer::start().await;
1197 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
1198 let (client_b, _) = server.create_client(&mut cx_b, "user_b").await;
1199 let (client_c, _) = server.create_client(&mut cx_c, "user_c").await;
1200
1201 let fs = Arc::new(FakeFs::new());
1202
1203 // Share a worktree as client A.
1204 fs.insert_tree(
1205 "/a",
1206 json!({
1207 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
1208 "file1": "",
1209 "file2": ""
1210 }),
1211 )
1212 .await;
1213
1214 let worktree_a = Worktree::open_local(
1215 client_a.clone(),
1216 "/a".as_ref(),
1217 fs.clone(),
1218 lang_registry.clone(),
1219 &mut cx_a.to_async(),
1220 )
1221 .await
1222 .unwrap();
1223 worktree_a
1224 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1225 .await;
1226 let worktree_id = worktree_a
1227 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1228 .await
1229 .unwrap();
1230
1231 // Join that worktree as clients B and C.
1232 let worktree_b = Worktree::open_remote(
1233 client_b.clone(),
1234 worktree_id,
1235 lang_registry.clone(),
1236 &mut cx_b.to_async(),
1237 )
1238 .await
1239 .unwrap();
1240 let worktree_c = Worktree::open_remote(
1241 client_c.clone(),
1242 worktree_id,
1243 lang_registry.clone(),
1244 &mut cx_c.to_async(),
1245 )
1246 .await
1247 .unwrap();
1248
1249 // Open and edit a buffer as both guests B and C.
1250 let buffer_b = worktree_b
1251 .update(&mut cx_b, |tree, cx| tree.open_buffer("file1", cx))
1252 .await
1253 .unwrap();
1254 let buffer_c = worktree_c
1255 .update(&mut cx_c, |tree, cx| tree.open_buffer("file1", cx))
1256 .await
1257 .unwrap();
1258 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "i-am-b, ", cx));
1259 buffer_c.update(&mut cx_c, |buf, cx| buf.edit([0..0], "i-am-c, ", cx));
1260
1261 // Open and edit that buffer as the host.
1262 let buffer_a = worktree_a
1263 .update(&mut cx_a, |tree, cx| tree.open_buffer("file1", cx))
1264 .await
1265 .unwrap();
1266
1267 buffer_a
1268 .condition(&mut cx_a, |buf, _| buf.text() == "i-am-c, i-am-b, ")
1269 .await;
1270 buffer_a.update(&mut cx_a, |buf, cx| {
1271 buf.edit([buf.len()..buf.len()], "i-am-a", cx)
1272 });
1273
1274 // Wait for edits to propagate
1275 buffer_a
1276 .condition(&mut cx_a, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1277 .await;
1278 buffer_b
1279 .condition(&mut cx_b, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1280 .await;
1281 buffer_c
1282 .condition(&mut cx_c, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1283 .await;
1284
1285 // Edit the buffer as the host and concurrently save as guest B.
1286 let save_b = buffer_b.update(&mut cx_b, |buf, cx| buf.save(cx).unwrap());
1287 buffer_a.update(&mut cx_a, |buf, cx| buf.edit([0..0], "hi-a, ", cx));
1288 save_b.await.unwrap();
1289 assert_eq!(
1290 fs.load("/a/file1".as_ref()).await.unwrap(),
1291 "hi-a, i-am-c, i-am-b, i-am-a"
1292 );
1293 buffer_a.read_with(&cx_a, |buf, _| assert!(!buf.is_dirty()));
1294 buffer_b.read_with(&cx_b, |buf, _| assert!(!buf.is_dirty()));
1295 buffer_c.condition(&cx_c, |buf, _| !buf.is_dirty()).await;
1296
1297 // Make changes on host's file system, see those changes on the guests.
1298 fs.rename("/a/file2".as_ref(), "/a/file3".as_ref())
1299 .await
1300 .unwrap();
1301 fs.insert_file(Path::new("/a/file4"), "4".into())
1302 .await
1303 .unwrap();
1304
1305 worktree_b
1306 .condition(&cx_b, |tree, _| tree.file_count() == 4)
1307 .await;
1308 worktree_c
1309 .condition(&cx_c, |tree, _| tree.file_count() == 4)
1310 .await;
1311 worktree_b.read_with(&cx_b, |tree, _| {
1312 assert_eq!(
1313 tree.paths()
1314 .map(|p| p.to_string_lossy())
1315 .collect::<Vec<_>>(),
1316 &[".zed.toml", "file1", "file3", "file4"]
1317 )
1318 });
1319 worktree_c.read_with(&cx_c, |tree, _| {
1320 assert_eq!(
1321 tree.paths()
1322 .map(|p| p.to_string_lossy())
1323 .collect::<Vec<_>>(),
1324 &[".zed.toml", "file1", "file3", "file4"]
1325 )
1326 });
1327 }
1328
1329 #[gpui::test]
1330 async fn test_buffer_conflict_after_save(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1331 cx_a.foreground().forbid_parking();
1332 let lang_registry = Arc::new(LanguageRegistry::new());
1333
1334 // Connect to a server as 2 clients.
1335 let mut server = TestServer::start().await;
1336 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
1337 let (client_b, _) = server.create_client(&mut cx_b, "user_b").await;
1338
1339 // Share a local worktree as client A
1340 let fs = Arc::new(FakeFs::new());
1341 fs.insert_tree(
1342 "/dir",
1343 json!({
1344 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
1345 "a.txt": "a-contents",
1346 }),
1347 )
1348 .await;
1349
1350 let worktree_a = Worktree::open_local(
1351 client_a.clone(),
1352 "/dir".as_ref(),
1353 fs,
1354 lang_registry.clone(),
1355 &mut cx_a.to_async(),
1356 )
1357 .await
1358 .unwrap();
1359 worktree_a
1360 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1361 .await;
1362 let worktree_id = worktree_a
1363 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1364 .await
1365 .unwrap();
1366
1367 // Join that worktree as client B, and see that a guest has joined as client A.
1368 let worktree_b = Worktree::open_remote(
1369 client_b.clone(),
1370 worktree_id,
1371 lang_registry.clone(),
1372 &mut cx_b.to_async(),
1373 )
1374 .await
1375 .unwrap();
1376
1377 let buffer_b = worktree_b
1378 .update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx))
1379 .await
1380 .unwrap();
1381 let mtime = buffer_b.read_with(&cx_b, |buf, _| buf.file().unwrap().mtime());
1382
1383 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "world ", cx));
1384 buffer_b.read_with(&cx_b, |buf, _| {
1385 assert!(buf.is_dirty());
1386 assert!(!buf.has_conflict());
1387 });
1388
1389 buffer_b
1390 .update(&mut cx_b, |buf, cx| buf.save(cx))
1391 .unwrap()
1392 .await
1393 .unwrap();
1394 worktree_b
1395 .condition(&cx_b, |_, cx| {
1396 buffer_b.read(cx).file().unwrap().mtime() != mtime
1397 })
1398 .await;
1399 buffer_b.read_with(&cx_b, |buf, _| {
1400 assert!(!buf.is_dirty());
1401 assert!(!buf.has_conflict());
1402 });
1403
1404 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "hello ", cx));
1405 buffer_b.read_with(&cx_b, |buf, _| {
1406 assert!(buf.is_dirty());
1407 assert!(!buf.has_conflict());
1408 });
1409 }
1410
1411 #[gpui::test]
1412 async fn test_editing_while_guest_opens_buffer(
1413 mut cx_a: TestAppContext,
1414 mut cx_b: TestAppContext,
1415 ) {
1416 cx_a.foreground().forbid_parking();
1417 let lang_registry = Arc::new(LanguageRegistry::new());
1418
1419 // Connect to a server as 2 clients.
1420 let mut server = TestServer::start().await;
1421 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
1422 let (client_b, _) = server.create_client(&mut cx_b, "user_b").await;
1423
1424 // Share a local worktree as client A
1425 let fs = Arc::new(FakeFs::new());
1426 fs.insert_tree(
1427 "/dir",
1428 json!({
1429 ".zed.toml": r#"collaborators = ["user_b"]"#,
1430 "a.txt": "a-contents",
1431 }),
1432 )
1433 .await;
1434 let worktree_a = Worktree::open_local(
1435 client_a.clone(),
1436 "/dir".as_ref(),
1437 fs,
1438 lang_registry.clone(),
1439 &mut cx_a.to_async(),
1440 )
1441 .await
1442 .unwrap();
1443 worktree_a
1444 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1445 .await;
1446 let worktree_id = worktree_a
1447 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1448 .await
1449 .unwrap();
1450
1451 // Join that worktree as client B, and see that a guest has joined as client A.
1452 let worktree_b = Worktree::open_remote(
1453 client_b.clone(),
1454 worktree_id,
1455 lang_registry.clone(),
1456 &mut cx_b.to_async(),
1457 )
1458 .await
1459 .unwrap();
1460
1461 let buffer_a = worktree_a
1462 .update(&mut cx_a, |tree, cx| tree.open_buffer("a.txt", cx))
1463 .await
1464 .unwrap();
1465 let buffer_b = cx_b
1466 .background()
1467 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx)));
1468
1469 task::yield_now().await;
1470 buffer_a.update(&mut cx_a, |buf, cx| buf.edit([0..0], "z", cx));
1471
1472 let text = buffer_a.read_with(&cx_a, |buf, _| buf.text());
1473 let buffer_b = buffer_b.await.unwrap();
1474 buffer_b.condition(&cx_b, |buf, _| buf.text() == text).await;
1475 }
1476
1477 #[gpui::test]
1478 async fn test_leaving_worktree_while_opening_buffer(
1479 mut cx_a: TestAppContext,
1480 mut cx_b: TestAppContext,
1481 ) {
1482 cx_a.foreground().forbid_parking();
1483 let lang_registry = Arc::new(LanguageRegistry::new());
1484
1485 // Connect to a server as 2 clients.
1486 let mut server = TestServer::start().await;
1487 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
1488 let (client_b, _) = server.create_client(&mut cx_b, "user_b").await;
1489
1490 // Share a local worktree as client A
1491 let fs = Arc::new(FakeFs::new());
1492 fs.insert_tree(
1493 "/dir",
1494 json!({
1495 ".zed.toml": r#"collaborators = ["user_b"]"#,
1496 "a.txt": "a-contents",
1497 }),
1498 )
1499 .await;
1500 let worktree_a = Worktree::open_local(
1501 client_a.clone(),
1502 "/dir".as_ref(),
1503 fs,
1504 lang_registry.clone(),
1505 &mut cx_a.to_async(),
1506 )
1507 .await
1508 .unwrap();
1509 worktree_a
1510 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1511 .await;
1512 let worktree_id = worktree_a
1513 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1514 .await
1515 .unwrap();
1516
1517 // Join that worktree as client B, and see that a guest has joined as client A.
1518 let worktree_b = Worktree::open_remote(
1519 client_b.clone(),
1520 worktree_id,
1521 lang_registry.clone(),
1522 &mut cx_b.to_async(),
1523 )
1524 .await
1525 .unwrap();
1526 worktree_a
1527 .condition(&cx_a, |tree, _| tree.peers().len() == 1)
1528 .await;
1529
1530 let buffer_b = cx_b
1531 .background()
1532 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx)));
1533 cx_b.update(|_| drop(worktree_b));
1534 drop(buffer_b);
1535 worktree_a
1536 .condition(&cx_a, |tree, _| tree.peers().len() == 0)
1537 .await;
1538 }
1539
1540 #[gpui::test]
1541 async fn test_peer_disconnection(mut cx_a: TestAppContext, cx_b: TestAppContext) {
1542 cx_a.foreground().forbid_parking();
1543 let lang_registry = Arc::new(LanguageRegistry::new());
1544
1545 // Connect to a server as 2 clients.
1546 let mut server = TestServer::start().await;
1547 let (client_a, _) = server.create_client(&mut cx_a, "user_a").await;
1548 let (client_b, _) = server.create_client(&mut cx_a, "user_b").await;
1549
1550 // Share a local worktree as client A
1551 let fs = Arc::new(FakeFs::new());
1552 fs.insert_tree(
1553 "/a",
1554 json!({
1555 ".zed.toml": r#"collaborators = ["user_b"]"#,
1556 "a.txt": "a-contents",
1557 "b.txt": "b-contents",
1558 }),
1559 )
1560 .await;
1561 let worktree_a = Worktree::open_local(
1562 client_a.clone(),
1563 "/a".as_ref(),
1564 fs,
1565 lang_registry.clone(),
1566 &mut cx_a.to_async(),
1567 )
1568 .await
1569 .unwrap();
1570 worktree_a
1571 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1572 .await;
1573 let worktree_id = worktree_a
1574 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1575 .await
1576 .unwrap();
1577
1578 // Join that worktree as client B, and see that a guest has joined as client A.
1579 let _worktree_b = Worktree::open_remote(
1580 client_b.clone(),
1581 worktree_id,
1582 lang_registry.clone(),
1583 &mut cx_b.to_async(),
1584 )
1585 .await
1586 .unwrap();
1587 worktree_a
1588 .condition(&cx_a, |tree, _| tree.peers().len() == 1)
1589 .await;
1590
1591 // Drop client B's connection and ensure client A observes client B leaving the worktree.
1592 client_b.disconnect(&cx_b.to_async()).await.unwrap();
1593 worktree_a
1594 .condition(&cx_a, |tree, _| tree.peers().len() == 0)
1595 .await;
1596 }
1597
1598 #[gpui::test]
1599 async fn test_basic_chat(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1600 cx_a.foreground().forbid_parking();
1601
1602 // Connect to a server as 2 clients.
1603 let mut server = TestServer::start().await;
1604 let (client_a, user_store_a) = server.create_client(&mut cx_a, "user_a").await;
1605 let (client_b, user_store_b) = server.create_client(&mut cx_b, "user_b").await;
1606
1607 // Create an org that includes these 2 users.
1608 let db = &server.app_state.db;
1609 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
1610 db.add_org_member(org_id, current_user_id(&user_store_a, &cx_a), false)
1611 .await
1612 .unwrap();
1613 db.add_org_member(org_id, current_user_id(&user_store_b, &cx_b), false)
1614 .await
1615 .unwrap();
1616
1617 // Create a channel that includes all the users.
1618 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
1619 db.add_channel_member(channel_id, current_user_id(&user_store_a, &cx_a), false)
1620 .await
1621 .unwrap();
1622 db.add_channel_member(channel_id, current_user_id(&user_store_b, &cx_b), false)
1623 .await
1624 .unwrap();
1625 db.create_channel_message(
1626 channel_id,
1627 current_user_id(&user_store_b, &cx_b),
1628 "hello A, it's B.",
1629 OffsetDateTime::now_utc(),
1630 1,
1631 )
1632 .await
1633 .unwrap();
1634
1635 let channels_a = cx_a.add_model(|cx| ChannelList::new(user_store_a, client_a, cx));
1636 channels_a
1637 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
1638 .await;
1639 channels_a.read_with(&cx_a, |list, _| {
1640 assert_eq!(
1641 list.available_channels().unwrap(),
1642 &[ChannelDetails {
1643 id: channel_id.to_proto(),
1644 name: "test-channel".to_string()
1645 }]
1646 )
1647 });
1648 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
1649 this.get_channel(channel_id.to_proto(), cx).unwrap()
1650 });
1651 channel_a.read_with(&cx_a, |channel, _| assert!(channel.messages().is_empty()));
1652 channel_a
1653 .condition(&cx_a, |channel, _| {
1654 channel_messages(channel)
1655 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1656 })
1657 .await;
1658
1659 let channels_b = cx_b.add_model(|cx| ChannelList::new(user_store_b, client_b, cx));
1660 channels_b
1661 .condition(&mut cx_b, |list, _| list.available_channels().is_some())
1662 .await;
1663 channels_b.read_with(&cx_b, |list, _| {
1664 assert_eq!(
1665 list.available_channels().unwrap(),
1666 &[ChannelDetails {
1667 id: channel_id.to_proto(),
1668 name: "test-channel".to_string()
1669 }]
1670 )
1671 });
1672
1673 let channel_b = channels_b.update(&mut cx_b, |this, cx| {
1674 this.get_channel(channel_id.to_proto(), cx).unwrap()
1675 });
1676 channel_b.read_with(&cx_b, |channel, _| assert!(channel.messages().is_empty()));
1677 channel_b
1678 .condition(&cx_b, |channel, _| {
1679 channel_messages(channel)
1680 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1681 })
1682 .await;
1683
1684 channel_a
1685 .update(&mut cx_a, |channel, cx| {
1686 channel
1687 .send_message("oh, hi B.".to_string(), cx)
1688 .unwrap()
1689 .detach();
1690 let task = channel.send_message("sup".to_string(), cx).unwrap();
1691 assert_eq!(
1692 channel_messages(channel),
1693 &[
1694 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1695 ("user_a".to_string(), "oh, hi B.".to_string(), true),
1696 ("user_a".to_string(), "sup".to_string(), true)
1697 ]
1698 );
1699 task
1700 })
1701 .await
1702 .unwrap();
1703
1704 channel_b
1705 .condition(&cx_b, |channel, _| {
1706 channel_messages(channel)
1707 == [
1708 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1709 ("user_a".to_string(), "oh, hi B.".to_string(), false),
1710 ("user_a".to_string(), "sup".to_string(), false),
1711 ]
1712 })
1713 .await;
1714
1715 assert_eq!(
1716 server
1717 .state()
1718 .await
1719 .channel(channel_id)
1720 .unwrap()
1721 .connection_ids
1722 .len(),
1723 2
1724 );
1725 cx_b.update(|_| drop(channel_b));
1726 server
1727 .condition(|state| state.channel(channel_id).unwrap().connection_ids.len() == 1)
1728 .await;
1729
1730 cx_a.update(|_| drop(channel_a));
1731 server
1732 .condition(|state| state.channel(channel_id).is_none())
1733 .await;
1734 }
1735
1736 #[gpui::test]
1737 async fn test_chat_message_validation(mut cx_a: TestAppContext) {
1738 cx_a.foreground().forbid_parking();
1739
1740 let mut server = TestServer::start().await;
1741 let (client_a, user_store_a) = server.create_client(&mut cx_a, "user_a").await;
1742
1743 let db = &server.app_state.db;
1744 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
1745 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
1746 db.add_org_member(org_id, current_user_id(&user_store_a, &cx_a), false)
1747 .await
1748 .unwrap();
1749 db.add_channel_member(channel_id, current_user_id(&user_store_a, &cx_a), false)
1750 .await
1751 .unwrap();
1752
1753 let channels_a = cx_a.add_model(|cx| ChannelList::new(user_store_a, client_a, cx));
1754 channels_a
1755 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
1756 .await;
1757 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
1758 this.get_channel(channel_id.to_proto(), cx).unwrap()
1759 });
1760
1761 // Messages aren't allowed to be too long.
1762 channel_a
1763 .update(&mut cx_a, |channel, cx| {
1764 let long_body = "this is long.\n".repeat(1024);
1765 channel.send_message(long_body, cx).unwrap()
1766 })
1767 .await
1768 .unwrap_err();
1769
1770 // Messages aren't allowed to be blank.
1771 channel_a.update(&mut cx_a, |channel, cx| {
1772 channel.send_message(String::new(), cx).unwrap_err()
1773 });
1774
1775 // Leading and trailing whitespace are trimmed.
1776 channel_a
1777 .update(&mut cx_a, |channel, cx| {
1778 channel
1779 .send_message("\n surrounded by whitespace \n".to_string(), cx)
1780 .unwrap()
1781 })
1782 .await
1783 .unwrap();
1784 assert_eq!(
1785 db.get_channel_messages(channel_id, 10, None)
1786 .await
1787 .unwrap()
1788 .iter()
1789 .map(|m| &m.body)
1790 .collect::<Vec<_>>(),
1791 &["surrounded by whitespace"]
1792 );
1793 }
1794
1795 #[gpui::test]
1796 async fn test_chat_reconnection(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1797 cx_a.foreground().forbid_parking();
1798
1799 // Connect to a server as 2 clients.
1800 let mut server = TestServer::start().await;
1801 let (client_a, user_store_a) = server.create_client(&mut cx_a, "user_a").await;
1802 let (client_b, user_store_b) = server.create_client(&mut cx_b, "user_b").await;
1803 let mut status_b = client_b.status();
1804
1805 // Create an org that includes these 2 users.
1806 let db = &server.app_state.db;
1807 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
1808 db.add_org_member(org_id, current_user_id(&user_store_a, &cx_a), false)
1809 .await
1810 .unwrap();
1811 db.add_org_member(org_id, current_user_id(&user_store_b, &cx_b), false)
1812 .await
1813 .unwrap();
1814
1815 // Create a channel that includes all the users.
1816 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
1817 db.add_channel_member(channel_id, current_user_id(&user_store_a, &cx_a), false)
1818 .await
1819 .unwrap();
1820 db.add_channel_member(channel_id, current_user_id(&user_store_b, &cx_b), false)
1821 .await
1822 .unwrap();
1823 db.create_channel_message(
1824 channel_id,
1825 current_user_id(&user_store_b, &cx_b),
1826 "hello A, it's B.",
1827 OffsetDateTime::now_utc(),
1828 2,
1829 )
1830 .await
1831 .unwrap();
1832
1833 let channels_a = cx_a.add_model(|cx| ChannelList::new(user_store_a, client_a, cx));
1834 channels_a
1835 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
1836 .await;
1837
1838 channels_a.read_with(&cx_a, |list, _| {
1839 assert_eq!(
1840 list.available_channels().unwrap(),
1841 &[ChannelDetails {
1842 id: channel_id.to_proto(),
1843 name: "test-channel".to_string()
1844 }]
1845 )
1846 });
1847 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
1848 this.get_channel(channel_id.to_proto(), cx).unwrap()
1849 });
1850 channel_a.read_with(&cx_a, |channel, _| assert!(channel.messages().is_empty()));
1851 channel_a
1852 .condition(&cx_a, |channel, _| {
1853 channel_messages(channel)
1854 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1855 })
1856 .await;
1857
1858 let channels_b = cx_b.add_model(|cx| ChannelList::new(user_store_b.clone(), client_b, cx));
1859 channels_b
1860 .condition(&mut cx_b, |list, _| list.available_channels().is_some())
1861 .await;
1862 channels_b.read_with(&cx_b, |list, _| {
1863 assert_eq!(
1864 list.available_channels().unwrap(),
1865 &[ChannelDetails {
1866 id: channel_id.to_proto(),
1867 name: "test-channel".to_string()
1868 }]
1869 )
1870 });
1871
1872 let channel_b = channels_b.update(&mut cx_b, |this, cx| {
1873 this.get_channel(channel_id.to_proto(), cx).unwrap()
1874 });
1875 channel_b.read_with(&cx_b, |channel, _| assert!(channel.messages().is_empty()));
1876 channel_b
1877 .condition(&cx_b, |channel, _| {
1878 channel_messages(channel)
1879 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1880 })
1881 .await;
1882
1883 // Disconnect client B, ensuring we can still access its cached channel data.
1884 server.forbid_connections();
1885 server.disconnect_client(current_user_id(&user_store_b, &cx_b));
1886 while !matches!(
1887 status_b.recv().await,
1888 Some(client::Status::ReconnectionError { .. })
1889 ) {}
1890
1891 channels_b.read_with(&cx_b, |channels, _| {
1892 assert_eq!(
1893 channels.available_channels().unwrap(),
1894 [ChannelDetails {
1895 id: channel_id.to_proto(),
1896 name: "test-channel".to_string()
1897 }]
1898 )
1899 });
1900 channel_b.read_with(&cx_b, |channel, _| {
1901 assert_eq!(
1902 channel_messages(channel),
1903 [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1904 )
1905 });
1906
1907 // Send a message from client B while it is disconnected.
1908 channel_b
1909 .update(&mut cx_b, |channel, cx| {
1910 let task = channel
1911 .send_message("can you see this?".to_string(), cx)
1912 .unwrap();
1913 assert_eq!(
1914 channel_messages(channel),
1915 &[
1916 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1917 ("user_b".to_string(), "can you see this?".to_string(), true)
1918 ]
1919 );
1920 task
1921 })
1922 .await
1923 .unwrap_err();
1924
1925 // Send a message from client A while B is disconnected.
1926 channel_a
1927 .update(&mut cx_a, |channel, cx| {
1928 channel
1929 .send_message("oh, hi B.".to_string(), cx)
1930 .unwrap()
1931 .detach();
1932 let task = channel.send_message("sup".to_string(), cx).unwrap();
1933 assert_eq!(
1934 channel_messages(channel),
1935 &[
1936 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1937 ("user_a".to_string(), "oh, hi B.".to_string(), true),
1938 ("user_a".to_string(), "sup".to_string(), true)
1939 ]
1940 );
1941 task
1942 })
1943 .await
1944 .unwrap();
1945
1946 // Give client B a chance to reconnect.
1947 server.allow_connections();
1948 cx_b.foreground().advance_clock(Duration::from_secs(10));
1949
1950 // Verify that B sees the new messages upon reconnection, as well as the message client B
1951 // sent while offline.
1952 channel_b
1953 .condition(&cx_b, |channel, _| {
1954 channel_messages(channel)
1955 == [
1956 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1957 ("user_a".to_string(), "oh, hi B.".to_string(), false),
1958 ("user_a".to_string(), "sup".to_string(), false),
1959 ("user_b".to_string(), "can you see this?".to_string(), false),
1960 ]
1961 })
1962 .await;
1963
1964 // Ensure client A and B can communicate normally after reconnection.
1965 channel_a
1966 .update(&mut cx_a, |channel, cx| {
1967 channel.send_message("you online?".to_string(), cx).unwrap()
1968 })
1969 .await
1970 .unwrap();
1971 channel_b
1972 .condition(&cx_b, |channel, _| {
1973 channel_messages(channel)
1974 == [
1975 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1976 ("user_a".to_string(), "oh, hi B.".to_string(), false),
1977 ("user_a".to_string(), "sup".to_string(), false),
1978 ("user_b".to_string(), "can you see this?".to_string(), false),
1979 ("user_a".to_string(), "you online?".to_string(), false),
1980 ]
1981 })
1982 .await;
1983
1984 channel_b
1985 .update(&mut cx_b, |channel, cx| {
1986 channel.send_message("yep".to_string(), cx).unwrap()
1987 })
1988 .await
1989 .unwrap();
1990 channel_a
1991 .condition(&cx_a, |channel, _| {
1992 channel_messages(channel)
1993 == [
1994 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1995 ("user_a".to_string(), "oh, hi B.".to_string(), false),
1996 ("user_a".to_string(), "sup".to_string(), false),
1997 ("user_b".to_string(), "can you see this?".to_string(), false),
1998 ("user_a".to_string(), "you online?".to_string(), false),
1999 ("user_b".to_string(), "yep".to_string(), false),
2000 ]
2001 })
2002 .await;
2003 }
2004
2005 #[gpui::test]
2006 async fn test_collaborators(
2007 mut cx_a: TestAppContext,
2008 mut cx_b: TestAppContext,
2009 mut cx_c: TestAppContext,
2010 ) {
2011 cx_a.foreground().forbid_parking();
2012 let lang_registry = Arc::new(LanguageRegistry::new());
2013
2014 // Connect to a server as 3 clients.
2015 let mut server = TestServer::start().await;
2016 let (client_a, user_store_a) = server.create_client(&mut cx_a, "user_a").await;
2017 let (client_b, user_store_b) = server.create_client(&mut cx_b, "user_b").await;
2018 let (_client_c, user_store_c) = server.create_client(&mut cx_c, "user_c").await;
2019
2020 let fs = Arc::new(FakeFs::new());
2021
2022 // Share a worktree as client A.
2023 fs.insert_tree(
2024 "/a",
2025 json!({
2026 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
2027 }),
2028 )
2029 .await;
2030
2031 let worktree_a = Worktree::open_local(
2032 client_a.clone(),
2033 "/a".as_ref(),
2034 fs.clone(),
2035 lang_registry.clone(),
2036 &mut cx_a.to_async(),
2037 )
2038 .await
2039 .unwrap();
2040
2041 user_store_a
2042 .condition(&cx_a, |user_store, _| {
2043 collaborators(user_store) == vec![("user_a", vec![("a", vec![])])]
2044 })
2045 .await;
2046 user_store_b
2047 .condition(&cx_b, |user_store, _| {
2048 collaborators(user_store) == vec![("user_a", vec![("a", vec![])])]
2049 })
2050 .await;
2051 user_store_c
2052 .condition(&cx_c, |user_store, _| {
2053 collaborators(user_store) == vec![("user_a", vec![("a", vec![])])]
2054 })
2055 .await;
2056
2057 let worktree_id = worktree_a
2058 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
2059 .await
2060 .unwrap();
2061
2062 let _worktree_b = Worktree::open_remote(
2063 client_b.clone(),
2064 worktree_id,
2065 lang_registry.clone(),
2066 &mut cx_b.to_async(),
2067 )
2068 .await
2069 .unwrap();
2070
2071 user_store_a
2072 .condition(&cx_a, |user_store, _| {
2073 collaborators(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2074 })
2075 .await;
2076 user_store_b
2077 .condition(&cx_b, |user_store, _| {
2078 collaborators(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2079 })
2080 .await;
2081 user_store_c
2082 .condition(&cx_c, |user_store, _| {
2083 collaborators(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2084 })
2085 .await;
2086
2087 cx_a.update(move |_| drop(worktree_a));
2088 user_store_a
2089 .condition(&cx_a, |user_store, _| collaborators(user_store) == vec![])
2090 .await;
2091 user_store_b
2092 .condition(&cx_b, |user_store, _| collaborators(user_store) == vec![])
2093 .await;
2094 user_store_c
2095 .condition(&cx_c, |user_store, _| collaborators(user_store) == vec![])
2096 .await;
2097
2098 fn collaborators(user_store: &UserStore) -> Vec<(&str, Vec<(&str, Vec<&str>)>)> {
2099 user_store
2100 .collaborators()
2101 .iter()
2102 .map(|collaborator| {
2103 let worktrees = collaborator
2104 .worktrees
2105 .iter()
2106 .map(|w| {
2107 (
2108 w.root_name.as_str(),
2109 w.guests.iter().map(|p| p.github_login.as_str()).collect(),
2110 )
2111 })
2112 .collect();
2113 (collaborator.user.github_login.as_str(), worktrees)
2114 })
2115 .collect()
2116 }
2117 }
2118
2119 struct TestServer {
2120 peer: Arc<Peer>,
2121 app_state: Arc<AppState>,
2122 server: Arc<Server>,
2123 notifications: mpsc::Receiver<()>,
2124 connection_killers: Arc<Mutex<HashMap<UserId, watch::Sender<Option<()>>>>>,
2125 forbid_connections: Arc<AtomicBool>,
2126 _test_db: TestDb,
2127 }
2128
2129 impl TestServer {
2130 async fn start() -> Self {
2131 let test_db = TestDb::new();
2132 let app_state = Self::build_app_state(&test_db).await;
2133 let peer = Peer::new();
2134 let notifications = mpsc::channel(128);
2135 let server = Server::new(app_state.clone(), peer.clone(), Some(notifications.0));
2136 Self {
2137 peer,
2138 app_state,
2139 server,
2140 notifications: notifications.1,
2141 connection_killers: Default::default(),
2142 forbid_connections: Default::default(),
2143 _test_db: test_db,
2144 }
2145 }
2146
2147 async fn create_client(
2148 &mut self,
2149 cx: &mut TestAppContext,
2150 name: &str,
2151 ) -> (Arc<Client>, ModelHandle<UserStore>) {
2152 let user_id = self.app_state.db.create_user(name, false).await.unwrap();
2153 let client_name = name.to_string();
2154 let mut client = Client::new();
2155 let server = self.server.clone();
2156 let connection_killers = self.connection_killers.clone();
2157 let forbid_connections = self.forbid_connections.clone();
2158 Arc::get_mut(&mut client)
2159 .unwrap()
2160 .override_authenticate(move |cx| {
2161 cx.spawn(|_| async move {
2162 let access_token = "the-token".to_string();
2163 Ok(Credentials {
2164 user_id: user_id.0 as u64,
2165 access_token,
2166 })
2167 })
2168 })
2169 .override_establish_connection(move |credentials, cx| {
2170 assert_eq!(credentials.user_id, user_id.0 as u64);
2171 assert_eq!(credentials.access_token, "the-token");
2172
2173 let server = server.clone();
2174 let connection_killers = connection_killers.clone();
2175 let forbid_connections = forbid_connections.clone();
2176 let client_name = client_name.clone();
2177 cx.spawn(move |cx| async move {
2178 if forbid_connections.load(SeqCst) {
2179 Err(EstablishConnectionError::other(anyhow!(
2180 "server is forbidding connections"
2181 )))
2182 } else {
2183 let (client_conn, server_conn, kill_conn) = Connection::in_memory();
2184 connection_killers.lock().insert(user_id, kill_conn);
2185 cx.background()
2186 .spawn(server.handle_connection(server_conn, client_name, user_id))
2187 .detach();
2188 Ok(client_conn)
2189 }
2190 })
2191 });
2192
2193 let http = FakeHttpClient::new(|_| async move { Ok(surf::http::Response::new(404)) });
2194 client
2195 .authenticate_and_connect(&cx.to_async())
2196 .await
2197 .unwrap();
2198
2199 let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http, cx));
2200 let mut authed_user =
2201 user_store.read_with(cx, |user_store, _| user_store.watch_current_user());
2202 while authed_user.recv().await.unwrap().is_none() {}
2203
2204 (client, user_store)
2205 }
2206
2207 fn disconnect_client(&self, user_id: UserId) {
2208 if let Some(mut kill_conn) = self.connection_killers.lock().remove(&user_id) {
2209 let _ = kill_conn.try_send(Some(()));
2210 }
2211 }
2212
2213 fn forbid_connections(&self) {
2214 self.forbid_connections.store(true, SeqCst);
2215 }
2216
2217 fn allow_connections(&self) {
2218 self.forbid_connections.store(false, SeqCst);
2219 }
2220
2221 async fn build_app_state(test_db: &TestDb) -> Arc<AppState> {
2222 let mut config = Config::default();
2223 config.session_secret = "a".repeat(32);
2224 config.database_url = test_db.url.clone();
2225 let github_client = github::AppClient::test();
2226 Arc::new(AppState {
2227 db: test_db.db().clone(),
2228 handlebars: Default::default(),
2229 auth_client: auth::build_client("", ""),
2230 repo_client: github::RepoClient::test(&github_client),
2231 github_client,
2232 config,
2233 })
2234 }
2235
2236 async fn state<'a>(&'a self) -> RwLockReadGuard<'a, Store> {
2237 self.server.store.read().await
2238 }
2239
2240 async fn condition<F>(&mut self, mut predicate: F)
2241 where
2242 F: FnMut(&Store) -> bool,
2243 {
2244 async_std::future::timeout(Duration::from_millis(500), async {
2245 while !(predicate)(&*self.server.store.read().await) {
2246 self.notifications.recv().await;
2247 }
2248 })
2249 .await
2250 .expect("condition timed out");
2251 }
2252 }
2253
2254 impl Drop for TestServer {
2255 fn drop(&mut self) {
2256 task::block_on(self.peer.reset());
2257 }
2258 }
2259
2260 fn current_user_id(user_store: &ModelHandle<UserStore>, cx: &TestAppContext) -> UserId {
2261 UserId::from_proto(
2262 user_store.read_with(cx, |user_store, _| user_store.current_user().unwrap().id),
2263 )
2264 }
2265
2266 fn channel_messages(channel: &Channel) -> Vec<(String, String, bool)> {
2267 channel
2268 .messages()
2269 .cursor::<()>()
2270 .map(|m| {
2271 (
2272 m.sender.github_login.clone(),
2273 m.body.clone(),
2274 m.is_pending(),
2275 )
2276 })
2277 .collect()
2278 }
2279
2280 struct EmptyView;
2281
2282 impl gpui::Entity for EmptyView {
2283 type Event = ();
2284 }
2285
2286 impl gpui::View for EmptyView {
2287 fn ui_name() -> &'static str {
2288 "empty view"
2289 }
2290
2291 fn render(&mut self, _: &mut gpui::RenderContext<Self>) -> gpui::ElementBox {
2292 gpui::Element::boxed(gpui::elements::Empty)
2293 }
2294 }
2295}