1mod store;
2
3use super::{
4 auth::process_auth_header,
5 db::{ChannelId, MessageId, UserId},
6 AppState,
7};
8use anyhow::anyhow;
9use async_std::task;
10use async_tungstenite::{tungstenite::protocol::Role, WebSocketStream};
11use collections::{HashMap, HashSet};
12use futures::{future::BoxFuture, FutureExt};
13use parking_lot::{RwLock, RwLockReadGuard, RwLockWriteGuard};
14use postage::{mpsc, prelude::Sink as _, prelude::Stream as _};
15use rpc::{
16 proto::{self, AnyTypedEnvelope, EnvelopedMessage},
17 Connection, ConnectionId, Peer, TypedEnvelope,
18};
19use sha1::{Digest as _, Sha1};
20use std::{any::TypeId, future::Future, mem, sync::Arc, time::Instant};
21use store::{Store, Worktree};
22use surf::StatusCode;
23use tide::log;
24use tide::{
25 http::headers::{HeaderName, CONNECTION, UPGRADE},
26 Request, Response,
27};
28use time::OffsetDateTime;
29
30type MessageHandler = Box<
31 dyn Send
32 + Sync
33 + Fn(Arc<Server>, Box<dyn AnyTypedEnvelope>) -> BoxFuture<'static, tide::Result<()>>,
34>;
35
36pub struct Server {
37 peer: Arc<Peer>,
38 store: RwLock<Store>,
39 app_state: Arc<AppState>,
40 handlers: HashMap<TypeId, MessageHandler>,
41 notifications: Option<mpsc::Sender<()>>,
42}
43
44const MESSAGE_COUNT_PER_PAGE: usize = 100;
45const MAX_MESSAGE_LEN: usize = 1024;
46
47impl Server {
48 pub fn new(
49 app_state: Arc<AppState>,
50 peer: Arc<Peer>,
51 notifications: Option<mpsc::Sender<()>>,
52 ) -> Arc<Self> {
53 let mut server = Self {
54 peer,
55 app_state,
56 store: Default::default(),
57 handlers: Default::default(),
58 notifications,
59 };
60
61 server
62 .add_handler(Server::ping)
63 .add_handler(Server::open_worktree)
64 .add_handler(Server::close_worktree)
65 .add_handler(Server::share_worktree)
66 .add_handler(Server::unshare_worktree)
67 .add_handler(Server::join_worktree)
68 .add_handler(Server::leave_worktree)
69 .add_handler(Server::update_worktree)
70 .add_handler(Server::open_buffer)
71 .add_handler(Server::close_buffer)
72 .add_handler(Server::update_buffer)
73 .add_handler(Server::buffer_saved)
74 .add_handler(Server::save_buffer)
75 .add_handler(Server::get_channels)
76 .add_handler(Server::get_users)
77 .add_handler(Server::join_channel)
78 .add_handler(Server::leave_channel)
79 .add_handler(Server::send_channel_message)
80 .add_handler(Server::get_channel_messages);
81
82 Arc::new(server)
83 }
84
85 fn add_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
86 where
87 F: 'static + Send + Sync + Fn(Arc<Self>, TypedEnvelope<M>) -> Fut,
88 Fut: 'static + Send + Future<Output = tide::Result<()>>,
89 M: EnvelopedMessage,
90 {
91 let prev_handler = self.handlers.insert(
92 TypeId::of::<M>(),
93 Box::new(move |server, envelope| {
94 let envelope = envelope.into_any().downcast::<TypedEnvelope<M>>().unwrap();
95 (handler)(server, *envelope).boxed()
96 }),
97 );
98 if prev_handler.is_some() {
99 panic!("registered a handler for the same message twice");
100 }
101 self
102 }
103
104 pub fn handle_connection(
105 self: &Arc<Self>,
106 connection: Connection,
107 addr: String,
108 user_id: UserId,
109 mut send_connection_id: Option<postage::mpsc::Sender<ConnectionId>>,
110 ) -> impl Future<Output = ()> {
111 let mut this = self.clone();
112 async move {
113 let (connection_id, handle_io, mut incoming_rx) =
114 this.peer.add_connection(connection).await;
115
116 if let Some(send_connection_id) = send_connection_id.as_mut() {
117 let _ = send_connection_id.send(connection_id).await;
118 }
119
120 this.state_mut().add_connection(connection_id, user_id);
121 if let Err(err) = this.update_contacts_for_users(&[user_id]).await {
122 log::error!("error updating contacts for {:?}: {}", user_id, err);
123 }
124
125 let handle_io = handle_io.fuse();
126 futures::pin_mut!(handle_io);
127 loop {
128 let next_message = incoming_rx.recv().fuse();
129 futures::pin_mut!(next_message);
130 futures::select_biased! {
131 message = next_message => {
132 if let Some(message) = message {
133 let start_time = Instant::now();
134 log::info!("RPC message received: {}", message.payload_type_name());
135 if let Some(handler) = this.handlers.get(&message.payload_type_id()) {
136 if let Err(err) = (handler)(this.clone(), message).await {
137 log::error!("error handling message: {:?}", err);
138 } else {
139 log::info!("RPC message handled. duration:{:?}", start_time.elapsed());
140 }
141
142 if let Some(mut notifications) = this.notifications.clone() {
143 let _ = notifications.send(()).await;
144 }
145 } else {
146 log::warn!("unhandled message: {}", message.payload_type_name());
147 }
148 } else {
149 log::info!("rpc connection closed {:?}", addr);
150 break;
151 }
152 }
153 handle_io = handle_io => {
154 if let Err(err) = handle_io {
155 log::error!("error handling rpc connection {:?} - {:?}", addr, err);
156 }
157 break;
158 }
159 }
160 }
161
162 if let Err(err) = this.sign_out(connection_id).await {
163 log::error!("error signing out connection {:?} - {:?}", addr, err);
164 }
165 }
166 }
167
168 async fn sign_out(self: &mut Arc<Self>, connection_id: ConnectionId) -> tide::Result<()> {
169 self.peer.disconnect(connection_id).await;
170 let removed_connection = self.state_mut().remove_connection(connection_id)?;
171
172 for (worktree_id, worktree) in removed_connection.hosted_worktrees {
173 if let Some(share) = worktree.share {
174 broadcast(
175 connection_id,
176 share.guests.keys().copied().collect(),
177 |conn_id| {
178 self.peer
179 .send(conn_id, proto::UnshareWorktree { worktree_id })
180 },
181 )
182 .await?;
183 }
184 }
185
186 for (worktree_id, peer_ids) in removed_connection.guest_worktree_ids {
187 broadcast(connection_id, peer_ids, |conn_id| {
188 self.peer.send(
189 conn_id,
190 proto::RemoveCollaborator {
191 worktree_id,
192 peer_id: connection_id.0,
193 },
194 )
195 })
196 .await?;
197 }
198
199 self.update_contacts_for_users(removed_connection.contact_ids.iter())
200 .await?;
201
202 Ok(())
203 }
204
205 async fn ping(self: Arc<Server>, request: TypedEnvelope<proto::Ping>) -> tide::Result<()> {
206 self.peer.respond(request.receipt(), proto::Ack {}).await?;
207 Ok(())
208 }
209
210 async fn open_worktree(
211 mut self: Arc<Server>,
212 request: TypedEnvelope<proto::OpenWorktree>,
213 ) -> tide::Result<()> {
214 let receipt = request.receipt();
215 let host_user_id = self.state().user_id_for_connection(request.sender_id)?;
216
217 let mut contact_user_ids = HashSet::default();
218 contact_user_ids.insert(host_user_id);
219 for github_login in request.payload.authorized_logins {
220 match self.app_state.db.create_user(&github_login, false).await {
221 Ok(contact_user_id) => {
222 contact_user_ids.insert(contact_user_id);
223 }
224 Err(err) => {
225 let message = err.to_string();
226 self.peer
227 .respond_with_error(receipt, proto::Error { message })
228 .await?;
229 return Ok(());
230 }
231 }
232 }
233
234 let contact_user_ids = contact_user_ids.into_iter().collect::<Vec<_>>();
235 let worktree_id = self.state_mut().add_worktree(Worktree {
236 host_connection_id: request.sender_id,
237 host_user_id,
238 authorized_user_ids: contact_user_ids.clone(),
239 root_name: request.payload.root_name,
240 share: None,
241 });
242
243 self.peer
244 .respond(receipt, proto::OpenWorktreeResponse { worktree_id })
245 .await?;
246 self.update_contacts_for_users(&contact_user_ids).await?;
247
248 Ok(())
249 }
250
251 async fn close_worktree(
252 mut self: Arc<Server>,
253 request: TypedEnvelope<proto::CloseWorktree>,
254 ) -> tide::Result<()> {
255 let worktree_id = request.payload.worktree_id;
256 let worktree = self
257 .state_mut()
258 .remove_worktree(worktree_id, request.sender_id)?;
259
260 if let Some(share) = worktree.share {
261 broadcast(
262 request.sender_id,
263 share.guests.keys().copied().collect(),
264 |conn_id| {
265 self.peer
266 .send(conn_id, proto::UnshareWorktree { worktree_id })
267 },
268 )
269 .await?;
270 }
271 self.update_contacts_for_users(&worktree.authorized_user_ids)
272 .await?;
273 Ok(())
274 }
275
276 async fn share_worktree(
277 mut self: Arc<Server>,
278 mut request: TypedEnvelope<proto::ShareWorktree>,
279 ) -> tide::Result<()> {
280 let worktree = request
281 .payload
282 .worktree
283 .as_mut()
284 .ok_or_else(|| anyhow!("missing worktree"))?;
285 let entries = mem::take(&mut worktree.entries)
286 .into_iter()
287 .map(|entry| (entry.id, entry))
288 .collect();
289
290 let contact_user_ids =
291 self.state_mut()
292 .share_worktree(worktree.id, request.sender_id, entries);
293 if let Some(contact_user_ids) = contact_user_ids {
294 self.peer
295 .respond(request.receipt(), proto::ShareWorktreeResponse {})
296 .await?;
297 self.update_contacts_for_users(&contact_user_ids).await?;
298 } else {
299 self.peer
300 .respond_with_error(
301 request.receipt(),
302 proto::Error {
303 message: "no such worktree".to_string(),
304 },
305 )
306 .await?;
307 }
308 Ok(())
309 }
310
311 async fn unshare_worktree(
312 mut self: Arc<Server>,
313 request: TypedEnvelope<proto::UnshareWorktree>,
314 ) -> tide::Result<()> {
315 let worktree_id = request.payload.worktree_id;
316 let worktree = self
317 .state_mut()
318 .unshare_worktree(worktree_id, request.sender_id)?;
319
320 broadcast(request.sender_id, worktree.connection_ids, |conn_id| {
321 self.peer
322 .send(conn_id, proto::UnshareWorktree { worktree_id })
323 })
324 .await?;
325 self.update_contacts_for_users(&worktree.authorized_user_ids)
326 .await?;
327
328 Ok(())
329 }
330
331 async fn join_worktree(
332 mut self: Arc<Server>,
333 request: TypedEnvelope<proto::JoinWorktree>,
334 ) -> tide::Result<()> {
335 let worktree_id = request.payload.worktree_id;
336
337 let user_id = self.state().user_id_for_connection(request.sender_id)?;
338 let response_data = self
339 .state_mut()
340 .join_worktree(request.sender_id, user_id, worktree_id)
341 .and_then(|joined| {
342 let share = joined.worktree.share()?;
343 let peer_count = share.guests.len();
344 let mut collaborators = Vec::with_capacity(peer_count);
345 collaborators.push(proto::Collaborator {
346 peer_id: joined.worktree.host_connection_id.0,
347 replica_id: 0,
348 user_id: joined.worktree.host_user_id.to_proto(),
349 });
350 for (peer_conn_id, (peer_replica_id, peer_user_id)) in &share.guests {
351 if *peer_conn_id != request.sender_id {
352 collaborators.push(proto::Collaborator {
353 peer_id: peer_conn_id.0,
354 replica_id: *peer_replica_id as u32,
355 user_id: peer_user_id.to_proto(),
356 });
357 }
358 }
359 let response = proto::JoinWorktreeResponse {
360 worktree: Some(proto::Worktree {
361 id: worktree_id,
362 root_name: joined.worktree.root_name.clone(),
363 entries: share.entries.values().cloned().collect(),
364 }),
365 replica_id: joined.replica_id as u32,
366 collaborators,
367 };
368 let connection_ids = joined.worktree.connection_ids();
369 let contact_user_ids = joined.worktree.authorized_user_ids.clone();
370 Ok((response, connection_ids, contact_user_ids))
371 });
372
373 match response_data {
374 Ok((response, connection_ids, contact_user_ids)) => {
375 broadcast(request.sender_id, connection_ids, |conn_id| {
376 self.peer.send(
377 conn_id,
378 proto::AddCollaborator {
379 worktree_id,
380 collaborator: Some(proto::Collaborator {
381 peer_id: request.sender_id.0,
382 replica_id: response.replica_id,
383 user_id: user_id.to_proto(),
384 }),
385 },
386 )
387 })
388 .await?;
389 self.peer.respond(request.receipt(), response).await?;
390 self.update_contacts_for_users(&contact_user_ids).await?;
391 }
392 Err(error) => {
393 self.peer
394 .respond_with_error(
395 request.receipt(),
396 proto::Error {
397 message: error.to_string(),
398 },
399 )
400 .await?;
401 }
402 }
403
404 Ok(())
405 }
406
407 async fn leave_worktree(
408 mut self: Arc<Server>,
409 request: TypedEnvelope<proto::LeaveWorktree>,
410 ) -> tide::Result<()> {
411 let sender_id = request.sender_id;
412 let worktree_id = request.payload.worktree_id;
413 let worktree = self.state_mut().leave_worktree(sender_id, worktree_id);
414 if let Some(worktree) = worktree {
415 broadcast(sender_id, worktree.connection_ids, |conn_id| {
416 self.peer.send(
417 conn_id,
418 proto::RemoveCollaborator {
419 worktree_id,
420 peer_id: sender_id.0,
421 },
422 )
423 })
424 .await?;
425 self.update_contacts_for_users(&worktree.authorized_user_ids)
426 .await?;
427 }
428 Ok(())
429 }
430
431 async fn update_worktree(
432 mut self: Arc<Server>,
433 request: TypedEnvelope<proto::UpdateWorktree>,
434 ) -> tide::Result<()> {
435 let connection_ids = self.state_mut().update_worktree(
436 request.sender_id,
437 request.payload.worktree_id,
438 &request.payload.removed_entries,
439 &request.payload.updated_entries,
440 )?;
441
442 broadcast(request.sender_id, connection_ids, |connection_id| {
443 self.peer
444 .forward_send(request.sender_id, connection_id, request.payload.clone())
445 })
446 .await?;
447
448 Ok(())
449 }
450
451 async fn open_buffer(
452 self: Arc<Server>,
453 request: TypedEnvelope<proto::OpenBuffer>,
454 ) -> tide::Result<()> {
455 let receipt = request.receipt();
456 let host_connection_id = self
457 .state()
458 .worktree_host_connection_id(request.sender_id, request.payload.worktree_id)?;
459 let response = self
460 .peer
461 .forward_request(request.sender_id, host_connection_id, request.payload)
462 .await?;
463 self.peer.respond(receipt, response).await?;
464 Ok(())
465 }
466
467 async fn close_buffer(
468 self: Arc<Server>,
469 request: TypedEnvelope<proto::CloseBuffer>,
470 ) -> tide::Result<()> {
471 let host_connection_id = self
472 .state()
473 .worktree_host_connection_id(request.sender_id, request.payload.worktree_id)?;
474 self.peer
475 .forward_send(request.sender_id, host_connection_id, request.payload)
476 .await?;
477 Ok(())
478 }
479
480 async fn save_buffer(
481 self: Arc<Server>,
482 request: TypedEnvelope<proto::SaveBuffer>,
483 ) -> tide::Result<()> {
484 let host;
485 let guests;
486 {
487 let state = self.state();
488 host = state
489 .worktree_host_connection_id(request.sender_id, request.payload.worktree_id)?;
490 guests = state
491 .worktree_guest_connection_ids(request.sender_id, request.payload.worktree_id)?;
492 }
493
494 let sender = request.sender_id;
495 let receipt = request.receipt();
496 let response = self
497 .peer
498 .forward_request(sender, host, request.payload.clone())
499 .await?;
500
501 broadcast(host, guests, |conn_id| {
502 let response = response.clone();
503 let peer = &self.peer;
504 async move {
505 if conn_id == sender {
506 peer.respond(receipt, response).await
507 } else {
508 peer.forward_send(host, conn_id, response).await
509 }
510 }
511 })
512 .await?;
513
514 Ok(())
515 }
516
517 async fn update_buffer(
518 self: Arc<Server>,
519 request: TypedEnvelope<proto::UpdateBuffer>,
520 ) -> tide::Result<()> {
521 let receiver_ids = self
522 .state()
523 .worktree_connection_ids(request.sender_id, request.payload.worktree_id)?;
524 broadcast(request.sender_id, receiver_ids, |connection_id| {
525 self.peer
526 .forward_send(request.sender_id, connection_id, request.payload.clone())
527 })
528 .await?;
529 self.peer.respond(request.receipt(), proto::Ack {}).await?;
530 Ok(())
531 }
532
533 async fn buffer_saved(
534 self: Arc<Server>,
535 request: TypedEnvelope<proto::BufferSaved>,
536 ) -> tide::Result<()> {
537 let receiver_ids = self
538 .state()
539 .worktree_connection_ids(request.sender_id, request.payload.worktree_id)?;
540 broadcast(request.sender_id, receiver_ids, |connection_id| {
541 self.peer
542 .forward_send(request.sender_id, connection_id, request.payload.clone())
543 })
544 .await?;
545 Ok(())
546 }
547
548 async fn get_channels(
549 self: Arc<Server>,
550 request: TypedEnvelope<proto::GetChannels>,
551 ) -> tide::Result<()> {
552 let user_id = self.state().user_id_for_connection(request.sender_id)?;
553 let channels = self.app_state.db.get_accessible_channels(user_id).await?;
554 self.peer
555 .respond(
556 request.receipt(),
557 proto::GetChannelsResponse {
558 channels: channels
559 .into_iter()
560 .map(|chan| proto::Channel {
561 id: chan.id.to_proto(),
562 name: chan.name,
563 })
564 .collect(),
565 },
566 )
567 .await?;
568 Ok(())
569 }
570
571 async fn get_users(
572 self: Arc<Server>,
573 request: TypedEnvelope<proto::GetUsers>,
574 ) -> tide::Result<()> {
575 let receipt = request.receipt();
576 let user_ids = request.payload.user_ids.into_iter().map(UserId::from_proto);
577 let users = self
578 .app_state
579 .db
580 .get_users_by_ids(user_ids)
581 .await?
582 .into_iter()
583 .map(|user| proto::User {
584 id: user.id.to_proto(),
585 avatar_url: format!("https://github.com/{}.png?size=128", user.github_login),
586 github_login: user.github_login,
587 })
588 .collect();
589 self.peer
590 .respond(receipt, proto::GetUsersResponse { users })
591 .await?;
592 Ok(())
593 }
594
595 async fn update_contacts_for_users<'a>(
596 self: &Arc<Server>,
597 user_ids: impl IntoIterator<Item = &'a UserId>,
598 ) -> tide::Result<()> {
599 let mut send_futures = Vec::new();
600
601 {
602 let state = self.state();
603 for user_id in user_ids {
604 let contacts = state.contacts_for_user(*user_id);
605 for connection_id in state.connection_ids_for_user(*user_id) {
606 send_futures.push(self.peer.send(
607 connection_id,
608 proto::UpdateContacts {
609 contacts: contacts.clone(),
610 },
611 ));
612 }
613 }
614 }
615 futures::future::try_join_all(send_futures).await?;
616
617 Ok(())
618 }
619
620 async fn join_channel(
621 mut self: Arc<Self>,
622 request: TypedEnvelope<proto::JoinChannel>,
623 ) -> tide::Result<()> {
624 let user_id = self.state().user_id_for_connection(request.sender_id)?;
625 let channel_id = ChannelId::from_proto(request.payload.channel_id);
626 if !self
627 .app_state
628 .db
629 .can_user_access_channel(user_id, channel_id)
630 .await?
631 {
632 Err(anyhow!("access denied"))?;
633 }
634
635 self.state_mut().join_channel(request.sender_id, channel_id);
636 let messages = self
637 .app_state
638 .db
639 .get_channel_messages(channel_id, MESSAGE_COUNT_PER_PAGE, None)
640 .await?
641 .into_iter()
642 .map(|msg| proto::ChannelMessage {
643 id: msg.id.to_proto(),
644 body: msg.body,
645 timestamp: msg.sent_at.unix_timestamp() as u64,
646 sender_id: msg.sender_id.to_proto(),
647 nonce: Some(msg.nonce.as_u128().into()),
648 })
649 .collect::<Vec<_>>();
650 self.peer
651 .respond(
652 request.receipt(),
653 proto::JoinChannelResponse {
654 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
655 messages,
656 },
657 )
658 .await?;
659 Ok(())
660 }
661
662 async fn leave_channel(
663 mut self: Arc<Self>,
664 request: TypedEnvelope<proto::LeaveChannel>,
665 ) -> tide::Result<()> {
666 let user_id = self.state().user_id_for_connection(request.sender_id)?;
667 let channel_id = ChannelId::from_proto(request.payload.channel_id);
668 if !self
669 .app_state
670 .db
671 .can_user_access_channel(user_id, channel_id)
672 .await?
673 {
674 Err(anyhow!("access denied"))?;
675 }
676
677 self.state_mut()
678 .leave_channel(request.sender_id, channel_id);
679
680 Ok(())
681 }
682
683 async fn send_channel_message(
684 self: Arc<Self>,
685 request: TypedEnvelope<proto::SendChannelMessage>,
686 ) -> tide::Result<()> {
687 let receipt = request.receipt();
688 let channel_id = ChannelId::from_proto(request.payload.channel_id);
689 let user_id;
690 let connection_ids;
691 {
692 let state = self.state();
693 user_id = state.user_id_for_connection(request.sender_id)?;
694 if let Some(ids) = state.channel_connection_ids(channel_id) {
695 connection_ids = ids;
696 } else {
697 return Ok(());
698 }
699 }
700
701 // Validate the message body.
702 let body = request.payload.body.trim().to_string();
703 if body.len() > MAX_MESSAGE_LEN {
704 self.peer
705 .respond_with_error(
706 receipt,
707 proto::Error {
708 message: "message is too long".to_string(),
709 },
710 )
711 .await?;
712 return Ok(());
713 }
714 if body.is_empty() {
715 self.peer
716 .respond_with_error(
717 receipt,
718 proto::Error {
719 message: "message can't be blank".to_string(),
720 },
721 )
722 .await?;
723 return Ok(());
724 }
725
726 let timestamp = OffsetDateTime::now_utc();
727 let nonce = if let Some(nonce) = request.payload.nonce {
728 nonce
729 } else {
730 self.peer
731 .respond_with_error(
732 receipt,
733 proto::Error {
734 message: "nonce can't be blank".to_string(),
735 },
736 )
737 .await?;
738 return Ok(());
739 };
740
741 let message_id = self
742 .app_state
743 .db
744 .create_channel_message(channel_id, user_id, &body, timestamp, nonce.clone().into())
745 .await?
746 .to_proto();
747 let message = proto::ChannelMessage {
748 sender_id: user_id.to_proto(),
749 id: message_id,
750 body,
751 timestamp: timestamp.unix_timestamp() as u64,
752 nonce: Some(nonce),
753 };
754 broadcast(request.sender_id, connection_ids, |conn_id| {
755 self.peer.send(
756 conn_id,
757 proto::ChannelMessageSent {
758 channel_id: channel_id.to_proto(),
759 message: Some(message.clone()),
760 },
761 )
762 })
763 .await?;
764 self.peer
765 .respond(
766 receipt,
767 proto::SendChannelMessageResponse {
768 message: Some(message),
769 },
770 )
771 .await?;
772 Ok(())
773 }
774
775 async fn get_channel_messages(
776 self: Arc<Self>,
777 request: TypedEnvelope<proto::GetChannelMessages>,
778 ) -> tide::Result<()> {
779 let user_id = self.state().user_id_for_connection(request.sender_id)?;
780 let channel_id = ChannelId::from_proto(request.payload.channel_id);
781 if !self
782 .app_state
783 .db
784 .can_user_access_channel(user_id, channel_id)
785 .await?
786 {
787 Err(anyhow!("access denied"))?;
788 }
789
790 let messages = self
791 .app_state
792 .db
793 .get_channel_messages(
794 channel_id,
795 MESSAGE_COUNT_PER_PAGE,
796 Some(MessageId::from_proto(request.payload.before_message_id)),
797 )
798 .await?
799 .into_iter()
800 .map(|msg| proto::ChannelMessage {
801 id: msg.id.to_proto(),
802 body: msg.body,
803 timestamp: msg.sent_at.unix_timestamp() as u64,
804 sender_id: msg.sender_id.to_proto(),
805 nonce: Some(msg.nonce.as_u128().into()),
806 })
807 .collect::<Vec<_>>();
808 self.peer
809 .respond(
810 request.receipt(),
811 proto::GetChannelMessagesResponse {
812 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
813 messages,
814 },
815 )
816 .await?;
817 Ok(())
818 }
819
820 fn state<'a>(self: &'a Arc<Self>) -> RwLockReadGuard<'a, Store> {
821 self.store.read()
822 }
823
824 fn state_mut<'a>(self: &'a mut Arc<Self>) -> RwLockWriteGuard<'a, Store> {
825 self.store.write()
826 }
827}
828
829pub async fn broadcast<F, T>(
830 sender_id: ConnectionId,
831 receiver_ids: Vec<ConnectionId>,
832 mut f: F,
833) -> anyhow::Result<()>
834where
835 F: FnMut(ConnectionId) -> T,
836 T: Future<Output = anyhow::Result<()>>,
837{
838 let futures = receiver_ids
839 .into_iter()
840 .filter(|id| *id != sender_id)
841 .map(|id| f(id));
842 futures::future::try_join_all(futures).await?;
843 Ok(())
844}
845
846pub fn add_routes(app: &mut tide::Server<Arc<AppState>>, rpc: &Arc<Peer>) {
847 let server = Server::new(app.state().clone(), rpc.clone(), None);
848 app.at("/rpc").get(move |request: Request<Arc<AppState>>| {
849 let server = server.clone();
850 async move {
851 const WEBSOCKET_GUID: &str = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
852
853 let connection_upgrade = header_contains_ignore_case(&request, CONNECTION, "upgrade");
854 let upgrade_to_websocket = header_contains_ignore_case(&request, UPGRADE, "websocket");
855 let upgrade_requested = connection_upgrade && upgrade_to_websocket;
856 let client_protocol_version: Option<u32> = request
857 .header("X-Zed-Protocol-Version")
858 .and_then(|v| v.as_str().parse().ok());
859
860 if !upgrade_requested || client_protocol_version != Some(rpc::PROTOCOL_VERSION) {
861 return Ok(Response::new(StatusCode::UpgradeRequired));
862 }
863
864 let header = match request.header("Sec-Websocket-Key") {
865 Some(h) => h.as_str(),
866 None => return Err(anyhow!("expected sec-websocket-key"))?,
867 };
868
869 let user_id = process_auth_header(&request).await?;
870
871 let mut response = Response::new(StatusCode::SwitchingProtocols);
872 response.insert_header(UPGRADE, "websocket");
873 response.insert_header(CONNECTION, "Upgrade");
874 let hash = Sha1::new().chain(header).chain(WEBSOCKET_GUID).finalize();
875 response.insert_header("Sec-Websocket-Accept", base64::encode(&hash[..]));
876 response.insert_header("Sec-Websocket-Version", "13");
877
878 let http_res: &mut tide::http::Response = response.as_mut();
879 let upgrade_receiver = http_res.recv_upgrade().await;
880 let addr = request.remote().unwrap_or("unknown").to_string();
881 task::spawn(async move {
882 if let Some(stream) = upgrade_receiver.await {
883 server
884 .handle_connection(
885 Connection::new(
886 WebSocketStream::from_raw_socket(stream, Role::Server, None).await,
887 ),
888 addr,
889 user_id,
890 None,
891 )
892 .await;
893 }
894 });
895
896 Ok(response)
897 }
898 });
899}
900
901fn header_contains_ignore_case<T>(
902 request: &tide::Request<T>,
903 header_name: HeaderName,
904 value: &str,
905) -> bool {
906 request
907 .header(header_name)
908 .map(|h| {
909 h.as_str()
910 .split(',')
911 .any(|s| s.trim().eq_ignore_ascii_case(value.trim()))
912 })
913 .unwrap_or(false)
914}
915
916#[cfg(test)]
917mod tests {
918 use super::*;
919 use crate::{
920 auth,
921 db::{tests::TestDb, UserId},
922 github, AppState, Config,
923 };
924 use ::rpc::Peer;
925 use async_std::task;
926 use gpui::{ModelHandle, TestAppContext};
927 use parking_lot::Mutex;
928 use postage::{mpsc, watch};
929 use rpc::PeerId;
930 use serde_json::json;
931 use sqlx::types::time::OffsetDateTime;
932 use std::{
933 ops::Deref,
934 path::Path,
935 sync::{
936 atomic::{AtomicBool, Ordering::SeqCst},
937 Arc,
938 },
939 time::Duration,
940 };
941 use zed::{
942 client::{
943 self, test::FakeHttpClient, Channel, ChannelDetails, ChannelList, Client, Credentials,
944 EstablishConnectionError, UserStore,
945 },
946 contacts_panel::JoinWorktree,
947 editor::{Editor, EditorSettings, Input},
948 fs::{FakeFs, Fs as _},
949 language::{
950 tree_sitter_rust, Diagnostic, Language, LanguageConfig, LanguageRegistry,
951 LanguageServerConfig, Point,
952 },
953 lsp,
954 project::{ProjectPath, Worktree},
955 test::test_app_state,
956 workspace::Workspace,
957 };
958
959 #[gpui::test]
960 async fn test_share_worktree(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
961 let (window_b, _) = cx_b.add_window(|_| EmptyView);
962 let lang_registry = Arc::new(LanguageRegistry::new());
963
964 // Connect to a server as 2 clients.
965 let mut server = TestServer::start().await;
966 let client_a = server.create_client(&mut cx_a, "user_a").await;
967 let client_b = server.create_client(&mut cx_b, "user_b").await;
968
969 cx_a.foreground().forbid_parking();
970
971 // Share a local worktree as client A
972 let fs = Arc::new(FakeFs::new());
973 fs.insert_tree(
974 "/a",
975 json!({
976 ".zed.toml": r#"collaborators = ["user_b"]"#,
977 "a.txt": "a-contents",
978 "b.txt": "b-contents",
979 }),
980 )
981 .await;
982 let worktree_a = Worktree::open_local(
983 client_a.clone(),
984 client_a.user_store.clone(),
985 "/a".as_ref(),
986 fs,
987 lang_registry.clone(),
988 &mut cx_a.to_async(),
989 )
990 .await
991 .unwrap();
992 worktree_a
993 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
994 .await;
995 let worktree_id = worktree_a
996 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
997 .await
998 .unwrap();
999
1000 // Join that worktree as client B, and see that a guest has joined as client A.
1001 let worktree_b = Worktree::open_remote(
1002 client_b.clone(),
1003 worktree_id,
1004 lang_registry.clone(),
1005 client_b.user_store.clone(),
1006 &mut cx_b.to_async(),
1007 )
1008 .await
1009 .unwrap();
1010
1011 let replica_id_b = worktree_b.read_with(&cx_b, |tree, _| {
1012 assert_eq!(
1013 tree.collaborators()
1014 .get(&client_a.peer_id)
1015 .unwrap()
1016 .user
1017 .github_login,
1018 "user_a"
1019 );
1020 tree.replica_id()
1021 });
1022 worktree_a
1023 .condition(&cx_a, |tree, _| {
1024 tree.collaborators()
1025 .get(&client_b.peer_id)
1026 .map_or(false, |collaborator| {
1027 collaborator.replica_id == replica_id_b
1028 && collaborator.user.github_login == "user_b"
1029 })
1030 })
1031 .await;
1032
1033 // Open the same file as client B and client A.
1034 let buffer_b = worktree_b
1035 .update(&mut cx_b, |worktree, cx| worktree.open_buffer("b.txt", cx))
1036 .await
1037 .unwrap();
1038 buffer_b.read_with(&cx_b, |buf, _| assert_eq!(buf.text(), "b-contents"));
1039 worktree_a.read_with(&cx_a, |tree, cx| assert!(tree.has_open_buffer("b.txt", cx)));
1040 let buffer_a = worktree_a
1041 .update(&mut cx_a, |tree, cx| tree.open_buffer("b.txt", cx))
1042 .await
1043 .unwrap();
1044
1045 // Create a selection set as client B and see that selection set as client A.
1046 let editor_b = cx_b.add_view(window_b, |cx| {
1047 Editor::for_buffer(buffer_b, |cx| EditorSettings::test(cx), cx)
1048 });
1049 buffer_a
1050 .condition(&cx_a, |buffer, _| buffer.selection_sets().count() == 1)
1051 .await;
1052
1053 // Edit the buffer as client B and see that edit as client A.
1054 editor_b.update(&mut cx_b, |editor, cx| {
1055 editor.handle_input(&Input("ok, ".into()), cx)
1056 });
1057 buffer_a
1058 .condition(&cx_a, |buffer, _| buffer.text() == "ok, b-contents")
1059 .await;
1060
1061 // Remove the selection set as client B, see those selections disappear as client A.
1062 cx_b.update(move |_| drop(editor_b));
1063 buffer_a
1064 .condition(&cx_a, |buffer, _| buffer.selection_sets().count() == 0)
1065 .await;
1066
1067 // Close the buffer as client A, see that the buffer is closed.
1068 cx_a.update(move |_| drop(buffer_a));
1069 worktree_a
1070 .condition(&cx_a, |tree, cx| !tree.has_open_buffer("b.txt", cx))
1071 .await;
1072
1073 // Dropping the worktree removes client B from client A's collaborators.
1074 cx_b.update(move |_| drop(worktree_b));
1075 worktree_a
1076 .condition(&cx_a, |tree, _| tree.collaborators().is_empty())
1077 .await;
1078 }
1079
1080 #[gpui::test]
1081 async fn test_unshare_worktree(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1082 cx_b.update(zed::contacts_panel::init);
1083 let mut app_state_a = cx_a.update(test_app_state);
1084 let mut app_state_b = cx_b.update(test_app_state);
1085
1086 // Connect to a server as 2 clients.
1087 let mut server = TestServer::start().await;
1088 let client_a = server.create_client(&mut cx_a, "user_a").await;
1089 let client_b = server.create_client(&mut cx_b, "user_b").await;
1090 Arc::get_mut(&mut app_state_a).unwrap().client = client_a.clone();
1091 Arc::get_mut(&mut app_state_a).unwrap().user_store = client_a.user_store.clone();
1092 Arc::get_mut(&mut app_state_b).unwrap().client = client_b.clone();
1093 Arc::get_mut(&mut app_state_b).unwrap().user_store = client_b.user_store.clone();
1094
1095 cx_a.foreground().forbid_parking();
1096
1097 // Share a local worktree as client A
1098 let fs = Arc::new(FakeFs::new());
1099 fs.insert_tree(
1100 "/a",
1101 json!({
1102 ".zed.toml": r#"collaborators = ["user_b"]"#,
1103 "a.txt": "a-contents",
1104 "b.txt": "b-contents",
1105 }),
1106 )
1107 .await;
1108 let worktree_a = Worktree::open_local(
1109 app_state_a.client.clone(),
1110 app_state_a.user_store.clone(),
1111 "/a".as_ref(),
1112 fs,
1113 app_state_a.languages.clone(),
1114 &mut cx_a.to_async(),
1115 )
1116 .await
1117 .unwrap();
1118 worktree_a
1119 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1120 .await;
1121
1122 let remote_worktree_id = worktree_a
1123 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1124 .await
1125 .unwrap();
1126
1127 let (window_b, workspace_b) =
1128 cx_b.add_window(|cx| Workspace::new(&app_state_b.as_ref().into(), cx));
1129 cx_b.update(|cx| {
1130 cx.dispatch_action(
1131 window_b,
1132 vec![workspace_b.id()],
1133 &JoinWorktree(remote_worktree_id),
1134 );
1135 });
1136 workspace_b
1137 .condition(&cx_b, |workspace, cx| workspace.worktrees(cx).len() == 1)
1138 .await;
1139
1140 let local_worktree_id_b = workspace_b.read_with(&cx_b, |workspace, cx| {
1141 let active_pane = workspace.active_pane().read(cx);
1142 assert!(active_pane.active_item().is_none());
1143 workspace.worktrees(cx).first().unwrap().id()
1144 });
1145 workspace_b
1146 .update(&mut cx_b, |workspace, cx| {
1147 workspace.open_entry(
1148 ProjectPath {
1149 worktree_id: local_worktree_id_b,
1150 path: Path::new("a.txt").into(),
1151 },
1152 cx,
1153 )
1154 })
1155 .unwrap()
1156 .await;
1157 workspace_b.read_with(&cx_b, |workspace, cx| {
1158 let active_pane = workspace.active_pane().read(cx);
1159 assert!(active_pane.active_item().is_some());
1160 });
1161
1162 worktree_a.update(&mut cx_a, |tree, cx| {
1163 tree.as_local_mut().unwrap().unshare(cx);
1164 });
1165 workspace_b
1166 .condition(&cx_b, |workspace, cx| workspace.worktrees(cx).len() == 0)
1167 .await;
1168 workspace_b.read_with(&cx_b, |workspace, cx| {
1169 let active_pane = workspace.active_pane().read(cx);
1170 assert!(active_pane.active_item().is_none());
1171 });
1172 }
1173
1174 #[gpui::test]
1175 async fn test_propagate_saves_and_fs_changes_in_shared_worktree(
1176 mut cx_a: TestAppContext,
1177 mut cx_b: TestAppContext,
1178 mut cx_c: TestAppContext,
1179 ) {
1180 cx_a.foreground().forbid_parking();
1181 let lang_registry = Arc::new(LanguageRegistry::new());
1182
1183 // Connect to a server as 3 clients.
1184 let mut server = TestServer::start().await;
1185 let client_a = server.create_client(&mut cx_a, "user_a").await;
1186 let client_b = server.create_client(&mut cx_b, "user_b").await;
1187 let client_c = server.create_client(&mut cx_c, "user_c").await;
1188
1189 let fs = Arc::new(FakeFs::new());
1190
1191 // Share a worktree as client A.
1192 fs.insert_tree(
1193 "/a",
1194 json!({
1195 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
1196 "file1": "",
1197 "file2": ""
1198 }),
1199 )
1200 .await;
1201
1202 let worktree_a = Worktree::open_local(
1203 client_a.clone(),
1204 client_a.user_store.clone(),
1205 "/a".as_ref(),
1206 fs.clone(),
1207 lang_registry.clone(),
1208 &mut cx_a.to_async(),
1209 )
1210 .await
1211 .unwrap();
1212 worktree_a
1213 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1214 .await;
1215 let worktree_id = worktree_a
1216 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1217 .await
1218 .unwrap();
1219
1220 // Join that worktree as clients B and C.
1221 let worktree_b = Worktree::open_remote(
1222 client_b.clone(),
1223 worktree_id,
1224 lang_registry.clone(),
1225 client_b.user_store.clone(),
1226 &mut cx_b.to_async(),
1227 )
1228 .await
1229 .unwrap();
1230 let worktree_c = Worktree::open_remote(
1231 client_c.clone(),
1232 worktree_id,
1233 lang_registry.clone(),
1234 client_c.user_store.clone(),
1235 &mut cx_c.to_async(),
1236 )
1237 .await
1238 .unwrap();
1239
1240 // Open and edit a buffer as both guests B and C.
1241 let buffer_b = worktree_b
1242 .update(&mut cx_b, |tree, cx| tree.open_buffer("file1", cx))
1243 .await
1244 .unwrap();
1245 let buffer_c = worktree_c
1246 .update(&mut cx_c, |tree, cx| tree.open_buffer("file1", cx))
1247 .await
1248 .unwrap();
1249 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "i-am-b, ", cx));
1250 buffer_c.update(&mut cx_c, |buf, cx| buf.edit([0..0], "i-am-c, ", cx));
1251
1252 // Open and edit that buffer as the host.
1253 let buffer_a = worktree_a
1254 .update(&mut cx_a, |tree, cx| tree.open_buffer("file1", cx))
1255 .await
1256 .unwrap();
1257
1258 buffer_a
1259 .condition(&mut cx_a, |buf, _| buf.text() == "i-am-c, i-am-b, ")
1260 .await;
1261 buffer_a.update(&mut cx_a, |buf, cx| {
1262 buf.edit([buf.len()..buf.len()], "i-am-a", cx)
1263 });
1264
1265 // Wait for edits to propagate
1266 buffer_a
1267 .condition(&mut cx_a, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1268 .await;
1269 buffer_b
1270 .condition(&mut cx_b, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1271 .await;
1272 buffer_c
1273 .condition(&mut cx_c, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1274 .await;
1275
1276 // Edit the buffer as the host and concurrently save as guest B.
1277 let save_b = buffer_b.update(&mut cx_b, |buf, cx| buf.save(cx).unwrap());
1278 buffer_a.update(&mut cx_a, |buf, cx| buf.edit([0..0], "hi-a, ", cx));
1279 save_b.await.unwrap();
1280 assert_eq!(
1281 fs.load("/a/file1".as_ref()).await.unwrap(),
1282 "hi-a, i-am-c, i-am-b, i-am-a"
1283 );
1284 buffer_a.read_with(&cx_a, |buf, _| assert!(!buf.is_dirty()));
1285 buffer_b.read_with(&cx_b, |buf, _| assert!(!buf.is_dirty()));
1286 buffer_c.condition(&cx_c, |buf, _| !buf.is_dirty()).await;
1287
1288 // Make changes on host's file system, see those changes on the guests.
1289 fs.rename("/a/file2".as_ref(), "/a/file3".as_ref())
1290 .await
1291 .unwrap();
1292 fs.insert_file(Path::new("/a/file4"), "4".into())
1293 .await
1294 .unwrap();
1295
1296 worktree_b
1297 .condition(&cx_b, |tree, _| tree.file_count() == 4)
1298 .await;
1299 worktree_c
1300 .condition(&cx_c, |tree, _| tree.file_count() == 4)
1301 .await;
1302 worktree_b.read_with(&cx_b, |tree, _| {
1303 assert_eq!(
1304 tree.paths()
1305 .map(|p| p.to_string_lossy())
1306 .collect::<Vec<_>>(),
1307 &[".zed.toml", "file1", "file3", "file4"]
1308 )
1309 });
1310 worktree_c.read_with(&cx_c, |tree, _| {
1311 assert_eq!(
1312 tree.paths()
1313 .map(|p| p.to_string_lossy())
1314 .collect::<Vec<_>>(),
1315 &[".zed.toml", "file1", "file3", "file4"]
1316 )
1317 });
1318 }
1319
1320 #[gpui::test]
1321 async fn test_buffer_conflict_after_save(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1322 cx_a.foreground().forbid_parking();
1323 let lang_registry = Arc::new(LanguageRegistry::new());
1324
1325 // Connect to a server as 2 clients.
1326 let mut server = TestServer::start().await;
1327 let client_a = server.create_client(&mut cx_a, "user_a").await;
1328 let client_b = server.create_client(&mut cx_b, "user_b").await;
1329
1330 // Share a local worktree as client A
1331 let fs = Arc::new(FakeFs::new());
1332 fs.insert_tree(
1333 "/dir",
1334 json!({
1335 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
1336 "a.txt": "a-contents",
1337 }),
1338 )
1339 .await;
1340
1341 let worktree_a = Worktree::open_local(
1342 client_a.clone(),
1343 client_a.user_store.clone(),
1344 "/dir".as_ref(),
1345 fs,
1346 lang_registry.clone(),
1347 &mut cx_a.to_async(),
1348 )
1349 .await
1350 .unwrap();
1351 worktree_a
1352 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1353 .await;
1354 let worktree_id = worktree_a
1355 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1356 .await
1357 .unwrap();
1358
1359 // Join that worktree as client B, and see that a guest has joined as client A.
1360 let worktree_b = Worktree::open_remote(
1361 client_b.clone(),
1362 worktree_id,
1363 lang_registry.clone(),
1364 client_b.user_store.clone(),
1365 &mut cx_b.to_async(),
1366 )
1367 .await
1368 .unwrap();
1369
1370 let buffer_b = worktree_b
1371 .update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx))
1372 .await
1373 .unwrap();
1374 let mtime = buffer_b.read_with(&cx_b, |buf, _| buf.file().unwrap().mtime());
1375
1376 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "world ", cx));
1377 buffer_b.read_with(&cx_b, |buf, _| {
1378 assert!(buf.is_dirty());
1379 assert!(!buf.has_conflict());
1380 });
1381
1382 buffer_b
1383 .update(&mut cx_b, |buf, cx| buf.save(cx))
1384 .unwrap()
1385 .await
1386 .unwrap();
1387 worktree_b
1388 .condition(&cx_b, |_, cx| {
1389 buffer_b.read(cx).file().unwrap().mtime() != mtime
1390 })
1391 .await;
1392 buffer_b.read_with(&cx_b, |buf, _| {
1393 assert!(!buf.is_dirty());
1394 assert!(!buf.has_conflict());
1395 });
1396
1397 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "hello ", cx));
1398 buffer_b.read_with(&cx_b, |buf, _| {
1399 assert!(buf.is_dirty());
1400 assert!(!buf.has_conflict());
1401 });
1402 }
1403
1404 #[gpui::test]
1405 async fn test_editing_while_guest_opens_buffer(
1406 mut cx_a: TestAppContext,
1407 mut cx_b: TestAppContext,
1408 ) {
1409 cx_a.foreground().forbid_parking();
1410 let lang_registry = Arc::new(LanguageRegistry::new());
1411
1412 // Connect to a server as 2 clients.
1413 let mut server = TestServer::start().await;
1414 let client_a = server.create_client(&mut cx_a, "user_a").await;
1415 let client_b = server.create_client(&mut cx_b, "user_b").await;
1416
1417 // Share a local worktree as client A
1418 let fs = Arc::new(FakeFs::new());
1419 fs.insert_tree(
1420 "/dir",
1421 json!({
1422 ".zed.toml": r#"collaborators = ["user_b"]"#,
1423 "a.txt": "a-contents",
1424 }),
1425 )
1426 .await;
1427 let worktree_a = Worktree::open_local(
1428 client_a.clone(),
1429 client_a.user_store.clone(),
1430 "/dir".as_ref(),
1431 fs,
1432 lang_registry.clone(),
1433 &mut cx_a.to_async(),
1434 )
1435 .await
1436 .unwrap();
1437 worktree_a
1438 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1439 .await;
1440 let worktree_id = worktree_a
1441 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1442 .await
1443 .unwrap();
1444
1445 // Join that worktree as client B, and see that a guest has joined as client A.
1446 let worktree_b = Worktree::open_remote(
1447 client_b.clone(),
1448 worktree_id,
1449 lang_registry.clone(),
1450 client_b.user_store.clone(),
1451 &mut cx_b.to_async(),
1452 )
1453 .await
1454 .unwrap();
1455
1456 let buffer_a = worktree_a
1457 .update(&mut cx_a, |tree, cx| tree.open_buffer("a.txt", cx))
1458 .await
1459 .unwrap();
1460 let buffer_b = cx_b
1461 .background()
1462 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx)));
1463
1464 task::yield_now().await;
1465 buffer_a.update(&mut cx_a, |buf, cx| buf.edit([0..0], "z", cx));
1466
1467 let text = buffer_a.read_with(&cx_a, |buf, _| buf.text());
1468 let buffer_b = buffer_b.await.unwrap();
1469 buffer_b.condition(&cx_b, |buf, _| buf.text() == text).await;
1470 }
1471
1472 #[gpui::test]
1473 async fn test_leaving_worktree_while_opening_buffer(
1474 mut cx_a: TestAppContext,
1475 mut cx_b: TestAppContext,
1476 ) {
1477 cx_a.foreground().forbid_parking();
1478 let lang_registry = Arc::new(LanguageRegistry::new());
1479
1480 // Connect to a server as 2 clients.
1481 let mut server = TestServer::start().await;
1482 let client_a = server.create_client(&mut cx_a, "user_a").await;
1483 let client_b = server.create_client(&mut cx_b, "user_b").await;
1484
1485 // Share a local worktree as client A
1486 let fs = Arc::new(FakeFs::new());
1487 fs.insert_tree(
1488 "/dir",
1489 json!({
1490 ".zed.toml": r#"collaborators = ["user_b"]"#,
1491 "a.txt": "a-contents",
1492 }),
1493 )
1494 .await;
1495 let worktree_a = Worktree::open_local(
1496 client_a.clone(),
1497 client_a.user_store.clone(),
1498 "/dir".as_ref(),
1499 fs,
1500 lang_registry.clone(),
1501 &mut cx_a.to_async(),
1502 )
1503 .await
1504 .unwrap();
1505 worktree_a
1506 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1507 .await;
1508 let worktree_id = worktree_a
1509 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1510 .await
1511 .unwrap();
1512
1513 // Join that worktree as client B, and see that a guest has joined as client A.
1514 let worktree_b = Worktree::open_remote(
1515 client_b.clone(),
1516 worktree_id,
1517 lang_registry.clone(),
1518 client_b.user_store.clone(),
1519 &mut cx_b.to_async(),
1520 )
1521 .await
1522 .unwrap();
1523 worktree_a
1524 .condition(&cx_a, |tree, _| tree.collaborators().len() == 1)
1525 .await;
1526
1527 let buffer_b = cx_b
1528 .background()
1529 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx)));
1530 cx_b.update(|_| drop(worktree_b));
1531 drop(buffer_b);
1532 worktree_a
1533 .condition(&cx_a, |tree, _| tree.collaborators().len() == 0)
1534 .await;
1535 }
1536
1537 #[gpui::test]
1538 async fn test_peer_disconnection(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1539 cx_a.foreground().forbid_parking();
1540 let lang_registry = Arc::new(LanguageRegistry::new());
1541
1542 // Connect to a server as 2 clients.
1543 let mut server = TestServer::start().await;
1544 let client_a = server.create_client(&mut cx_a, "user_a").await;
1545 let client_b = server.create_client(&mut cx_b, "user_b").await;
1546
1547 // Share a local worktree as client A
1548 let fs = Arc::new(FakeFs::new());
1549 fs.insert_tree(
1550 "/a",
1551 json!({
1552 ".zed.toml": r#"collaborators = ["user_b"]"#,
1553 "a.txt": "a-contents",
1554 "b.txt": "b-contents",
1555 }),
1556 )
1557 .await;
1558 let worktree_a = Worktree::open_local(
1559 client_a.clone(),
1560 client_a.user_store.clone(),
1561 "/a".as_ref(),
1562 fs,
1563 lang_registry.clone(),
1564 &mut cx_a.to_async(),
1565 )
1566 .await
1567 .unwrap();
1568 worktree_a
1569 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1570 .await;
1571 let worktree_id = worktree_a
1572 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1573 .await
1574 .unwrap();
1575
1576 // Join that worktree as client B, and see that a guest has joined as client A.
1577 let _worktree_b = Worktree::open_remote(
1578 client_b.clone(),
1579 worktree_id,
1580 lang_registry.clone(),
1581 client_b.user_store.clone(),
1582 &mut cx_b.to_async(),
1583 )
1584 .await
1585 .unwrap();
1586 worktree_a
1587 .condition(&cx_a, |tree, _| tree.collaborators().len() == 1)
1588 .await;
1589
1590 // Drop client B's connection and ensure client A observes client B leaving the worktree.
1591 client_b.disconnect(&cx_b.to_async()).await.unwrap();
1592 worktree_a
1593 .condition(&cx_a, |tree, _| tree.collaborators().len() == 0)
1594 .await;
1595 }
1596
1597 #[gpui::test]
1598 async fn test_collaborating_with_diagnostics(
1599 mut cx_a: TestAppContext,
1600 mut cx_b: TestAppContext,
1601 ) {
1602 cx_a.foreground().forbid_parking();
1603 let (language_server_config, mut fake_language_server) =
1604 LanguageServerConfig::fake(cx_a.background()).await;
1605 let mut lang_registry = LanguageRegistry::new();
1606 lang_registry.add(Arc::new(Language::new(
1607 LanguageConfig {
1608 name: "Rust".to_string(),
1609 path_suffixes: vec!["rs".to_string()],
1610 language_server: Some(language_server_config),
1611 ..Default::default()
1612 },
1613 Some(tree_sitter_rust::language()),
1614 )));
1615
1616 let lang_registry = Arc::new(lang_registry);
1617
1618 // Connect to a server as 2 clients.
1619 let mut server = TestServer::start().await;
1620 let client_a = server.create_client(&mut cx_a, "user_a").await;
1621 let client_b = server.create_client(&mut cx_b, "user_b").await;
1622
1623 // Share a local worktree as client A
1624 let fs = Arc::new(FakeFs::new());
1625 fs.insert_tree(
1626 "/a",
1627 json!({
1628 ".zed.toml": r#"collaborators = ["user_b"]"#,
1629 "a.rs": "let one = two",
1630 "other.rs": "",
1631 }),
1632 )
1633 .await;
1634 let worktree_a = Worktree::open_local(
1635 client_a.clone(),
1636 client_a.user_store.clone(),
1637 "/a".as_ref(),
1638 fs,
1639 lang_registry.clone(),
1640 &mut cx_a.to_async(),
1641 )
1642 .await
1643 .unwrap();
1644 worktree_a
1645 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1646 .await;
1647 let worktree_id = worktree_a
1648 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1649 .await
1650 .unwrap();
1651
1652 // Cause language server to start.
1653 let _ = cx_a
1654 .background()
1655 .spawn(worktree_a.update(&mut cx_a, |worktree, cx| {
1656 worktree.open_buffer("other.rs", cx)
1657 }))
1658 .await
1659 .unwrap();
1660
1661 // Simulate a language server reporting errors for a file.
1662 fake_language_server
1663 .notify::<lsp::notification::PublishDiagnostics>(lsp::PublishDiagnosticsParams {
1664 uri: lsp::Url::from_file_path("/a/a.rs").unwrap(),
1665 version: None,
1666 diagnostics: vec![
1667 lsp::Diagnostic {
1668 severity: Some(lsp::DiagnosticSeverity::ERROR),
1669 range: lsp::Range::new(lsp::Position::new(0, 4), lsp::Position::new(0, 7)),
1670 message: "message 1".to_string(),
1671 ..Default::default()
1672 },
1673 lsp::Diagnostic {
1674 severity: Some(lsp::DiagnosticSeverity::WARNING),
1675 range: lsp::Range::new(
1676 lsp::Position::new(0, 10),
1677 lsp::Position::new(0, 13),
1678 ),
1679 message: "message 2".to_string(),
1680 ..Default::default()
1681 },
1682 ],
1683 })
1684 .await;
1685
1686 // Join the worktree as client B.
1687 let worktree_b = Worktree::open_remote(
1688 client_b.clone(),
1689 worktree_id,
1690 lang_registry.clone(),
1691 client_b.user_store.clone(),
1692 &mut cx_b.to_async(),
1693 )
1694 .await
1695 .unwrap();
1696
1697 // Open the file with the errors.
1698 let buffer_b = cx_b
1699 .background()
1700 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.rs", cx)))
1701 .await
1702 .unwrap();
1703
1704 buffer_b.read_with(&cx_b, |buffer, _| {
1705 assert_eq!(
1706 buffer
1707 .diagnostics_in_range(0..buffer.len())
1708 .collect::<Vec<_>>(),
1709 &[
1710 (
1711 Point::new(0, 4)..Point::new(0, 7),
1712 &Diagnostic {
1713 group_id: 0,
1714 message: "message 1".to_string(),
1715 severity: lsp::DiagnosticSeverity::ERROR,
1716 is_primary: true
1717 }
1718 ),
1719 (
1720 Point::new(0, 10)..Point::new(0, 13),
1721 &Diagnostic {
1722 group_id: 1,
1723 severity: lsp::DiagnosticSeverity::WARNING,
1724 message: "message 2".to_string(),
1725 is_primary: true
1726 }
1727 )
1728 ]
1729 );
1730 });
1731 }
1732
1733 #[gpui::test]
1734 async fn test_basic_chat(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1735 cx_a.foreground().forbid_parking();
1736
1737 // Connect to a server as 2 clients.
1738 let mut server = TestServer::start().await;
1739 let client_a = server.create_client(&mut cx_a, "user_a").await;
1740 let client_b = server.create_client(&mut cx_b, "user_b").await;
1741
1742 // Create an org that includes these 2 users.
1743 let db = &server.app_state.db;
1744 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
1745 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
1746 .await
1747 .unwrap();
1748 db.add_org_member(org_id, client_b.current_user_id(&cx_b), false)
1749 .await
1750 .unwrap();
1751
1752 // Create a channel that includes all the users.
1753 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
1754 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
1755 .await
1756 .unwrap();
1757 db.add_channel_member(channel_id, client_b.current_user_id(&cx_b), false)
1758 .await
1759 .unwrap();
1760 db.create_channel_message(
1761 channel_id,
1762 client_b.current_user_id(&cx_b),
1763 "hello A, it's B.",
1764 OffsetDateTime::now_utc(),
1765 1,
1766 )
1767 .await
1768 .unwrap();
1769
1770 let channels_a = cx_a
1771 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
1772 channels_a
1773 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
1774 .await;
1775 channels_a.read_with(&cx_a, |list, _| {
1776 assert_eq!(
1777 list.available_channels().unwrap(),
1778 &[ChannelDetails {
1779 id: channel_id.to_proto(),
1780 name: "test-channel".to_string()
1781 }]
1782 )
1783 });
1784 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
1785 this.get_channel(channel_id.to_proto(), cx).unwrap()
1786 });
1787 channel_a.read_with(&cx_a, |channel, _| assert!(channel.messages().is_empty()));
1788 channel_a
1789 .condition(&cx_a, |channel, _| {
1790 channel_messages(channel)
1791 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1792 })
1793 .await;
1794
1795 let channels_b = cx_b
1796 .add_model(|cx| ChannelList::new(client_b.user_store.clone(), client_b.clone(), cx));
1797 channels_b
1798 .condition(&mut cx_b, |list, _| list.available_channels().is_some())
1799 .await;
1800 channels_b.read_with(&cx_b, |list, _| {
1801 assert_eq!(
1802 list.available_channels().unwrap(),
1803 &[ChannelDetails {
1804 id: channel_id.to_proto(),
1805 name: "test-channel".to_string()
1806 }]
1807 )
1808 });
1809
1810 let channel_b = channels_b.update(&mut cx_b, |this, cx| {
1811 this.get_channel(channel_id.to_proto(), cx).unwrap()
1812 });
1813 channel_b.read_with(&cx_b, |channel, _| assert!(channel.messages().is_empty()));
1814 channel_b
1815 .condition(&cx_b, |channel, _| {
1816 channel_messages(channel)
1817 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1818 })
1819 .await;
1820
1821 channel_a
1822 .update(&mut cx_a, |channel, cx| {
1823 channel
1824 .send_message("oh, hi B.".to_string(), cx)
1825 .unwrap()
1826 .detach();
1827 let task = channel.send_message("sup".to_string(), cx).unwrap();
1828 assert_eq!(
1829 channel_messages(channel),
1830 &[
1831 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1832 ("user_a".to_string(), "oh, hi B.".to_string(), true),
1833 ("user_a".to_string(), "sup".to_string(), true)
1834 ]
1835 );
1836 task
1837 })
1838 .await
1839 .unwrap();
1840
1841 channel_b
1842 .condition(&cx_b, |channel, _| {
1843 channel_messages(channel)
1844 == [
1845 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1846 ("user_a".to_string(), "oh, hi B.".to_string(), false),
1847 ("user_a".to_string(), "sup".to_string(), false),
1848 ]
1849 })
1850 .await;
1851
1852 assert_eq!(
1853 server
1854 .state()
1855 .await
1856 .channel(channel_id)
1857 .unwrap()
1858 .connection_ids
1859 .len(),
1860 2
1861 );
1862 cx_b.update(|_| drop(channel_b));
1863 server
1864 .condition(|state| state.channel(channel_id).unwrap().connection_ids.len() == 1)
1865 .await;
1866
1867 cx_a.update(|_| drop(channel_a));
1868 server
1869 .condition(|state| state.channel(channel_id).is_none())
1870 .await;
1871 }
1872
1873 #[gpui::test]
1874 async fn test_chat_message_validation(mut cx_a: TestAppContext) {
1875 cx_a.foreground().forbid_parking();
1876
1877 let mut server = TestServer::start().await;
1878 let client_a = server.create_client(&mut cx_a, "user_a").await;
1879
1880 let db = &server.app_state.db;
1881 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
1882 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
1883 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
1884 .await
1885 .unwrap();
1886 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
1887 .await
1888 .unwrap();
1889
1890 let channels_a = cx_a
1891 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
1892 channels_a
1893 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
1894 .await;
1895 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
1896 this.get_channel(channel_id.to_proto(), cx).unwrap()
1897 });
1898
1899 // Messages aren't allowed to be too long.
1900 channel_a
1901 .update(&mut cx_a, |channel, cx| {
1902 let long_body = "this is long.\n".repeat(1024);
1903 channel.send_message(long_body, cx).unwrap()
1904 })
1905 .await
1906 .unwrap_err();
1907
1908 // Messages aren't allowed to be blank.
1909 channel_a.update(&mut cx_a, |channel, cx| {
1910 channel.send_message(String::new(), cx).unwrap_err()
1911 });
1912
1913 // Leading and trailing whitespace are trimmed.
1914 channel_a
1915 .update(&mut cx_a, |channel, cx| {
1916 channel
1917 .send_message("\n surrounded by whitespace \n".to_string(), cx)
1918 .unwrap()
1919 })
1920 .await
1921 .unwrap();
1922 assert_eq!(
1923 db.get_channel_messages(channel_id, 10, None)
1924 .await
1925 .unwrap()
1926 .iter()
1927 .map(|m| &m.body)
1928 .collect::<Vec<_>>(),
1929 &["surrounded by whitespace"]
1930 );
1931 }
1932
1933 #[gpui::test]
1934 async fn test_chat_reconnection(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1935 cx_a.foreground().forbid_parking();
1936
1937 // Connect to a server as 2 clients.
1938 let mut server = TestServer::start().await;
1939 let client_a = server.create_client(&mut cx_a, "user_a").await;
1940 let client_b = server.create_client(&mut cx_b, "user_b").await;
1941 let mut status_b = client_b.status();
1942
1943 // Create an org that includes these 2 users.
1944 let db = &server.app_state.db;
1945 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
1946 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
1947 .await
1948 .unwrap();
1949 db.add_org_member(org_id, client_b.current_user_id(&cx_b), false)
1950 .await
1951 .unwrap();
1952
1953 // Create a channel that includes all the users.
1954 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
1955 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
1956 .await
1957 .unwrap();
1958 db.add_channel_member(channel_id, client_b.current_user_id(&cx_b), false)
1959 .await
1960 .unwrap();
1961 db.create_channel_message(
1962 channel_id,
1963 client_b.current_user_id(&cx_b),
1964 "hello A, it's B.",
1965 OffsetDateTime::now_utc(),
1966 2,
1967 )
1968 .await
1969 .unwrap();
1970
1971 let channels_a = cx_a
1972 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
1973 channels_a
1974 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
1975 .await;
1976
1977 channels_a.read_with(&cx_a, |list, _| {
1978 assert_eq!(
1979 list.available_channels().unwrap(),
1980 &[ChannelDetails {
1981 id: channel_id.to_proto(),
1982 name: "test-channel".to_string()
1983 }]
1984 )
1985 });
1986 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
1987 this.get_channel(channel_id.to_proto(), cx).unwrap()
1988 });
1989 channel_a.read_with(&cx_a, |channel, _| assert!(channel.messages().is_empty()));
1990 channel_a
1991 .condition(&cx_a, |channel, _| {
1992 channel_messages(channel)
1993 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1994 })
1995 .await;
1996
1997 let channels_b = cx_b
1998 .add_model(|cx| ChannelList::new(client_b.user_store.clone(), client_b.clone(), cx));
1999 channels_b
2000 .condition(&mut cx_b, |list, _| list.available_channels().is_some())
2001 .await;
2002 channels_b.read_with(&cx_b, |list, _| {
2003 assert_eq!(
2004 list.available_channels().unwrap(),
2005 &[ChannelDetails {
2006 id: channel_id.to_proto(),
2007 name: "test-channel".to_string()
2008 }]
2009 )
2010 });
2011
2012 let channel_b = channels_b.update(&mut cx_b, |this, cx| {
2013 this.get_channel(channel_id.to_proto(), cx).unwrap()
2014 });
2015 channel_b.read_with(&cx_b, |channel, _| assert!(channel.messages().is_empty()));
2016 channel_b
2017 .condition(&cx_b, |channel, _| {
2018 channel_messages(channel)
2019 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
2020 })
2021 .await;
2022
2023 // Disconnect client B, ensuring we can still access its cached channel data.
2024 server.forbid_connections();
2025 server.disconnect_client(client_b.current_user_id(&cx_b));
2026 while !matches!(
2027 status_b.recv().await,
2028 Some(client::Status::ReconnectionError { .. })
2029 ) {}
2030
2031 channels_b.read_with(&cx_b, |channels, _| {
2032 assert_eq!(
2033 channels.available_channels().unwrap(),
2034 [ChannelDetails {
2035 id: channel_id.to_proto(),
2036 name: "test-channel".to_string()
2037 }]
2038 )
2039 });
2040 channel_b.read_with(&cx_b, |channel, _| {
2041 assert_eq!(
2042 channel_messages(channel),
2043 [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
2044 )
2045 });
2046
2047 // Send a message from client B while it is disconnected.
2048 channel_b
2049 .update(&mut cx_b, |channel, cx| {
2050 let task = channel
2051 .send_message("can you see this?".to_string(), cx)
2052 .unwrap();
2053 assert_eq!(
2054 channel_messages(channel),
2055 &[
2056 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2057 ("user_b".to_string(), "can you see this?".to_string(), true)
2058 ]
2059 );
2060 task
2061 })
2062 .await
2063 .unwrap_err();
2064
2065 // Send a message from client A while B is disconnected.
2066 channel_a
2067 .update(&mut cx_a, |channel, cx| {
2068 channel
2069 .send_message("oh, hi B.".to_string(), cx)
2070 .unwrap()
2071 .detach();
2072 let task = channel.send_message("sup".to_string(), cx).unwrap();
2073 assert_eq!(
2074 channel_messages(channel),
2075 &[
2076 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2077 ("user_a".to_string(), "oh, hi B.".to_string(), true),
2078 ("user_a".to_string(), "sup".to_string(), true)
2079 ]
2080 );
2081 task
2082 })
2083 .await
2084 .unwrap();
2085
2086 // Give client B a chance to reconnect.
2087 server.allow_connections();
2088 cx_b.foreground().advance_clock(Duration::from_secs(10));
2089
2090 // Verify that B sees the new messages upon reconnection, as well as the message client B
2091 // sent while offline.
2092 channel_b
2093 .condition(&cx_b, |channel, _| {
2094 channel_messages(channel)
2095 == [
2096 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2097 ("user_a".to_string(), "oh, hi B.".to_string(), false),
2098 ("user_a".to_string(), "sup".to_string(), false),
2099 ("user_b".to_string(), "can you see this?".to_string(), false),
2100 ]
2101 })
2102 .await;
2103
2104 // Ensure client A and B can communicate normally after reconnection.
2105 channel_a
2106 .update(&mut cx_a, |channel, cx| {
2107 channel.send_message("you online?".to_string(), cx).unwrap()
2108 })
2109 .await
2110 .unwrap();
2111 channel_b
2112 .condition(&cx_b, |channel, _| {
2113 channel_messages(channel)
2114 == [
2115 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2116 ("user_a".to_string(), "oh, hi B.".to_string(), false),
2117 ("user_a".to_string(), "sup".to_string(), false),
2118 ("user_b".to_string(), "can you see this?".to_string(), false),
2119 ("user_a".to_string(), "you online?".to_string(), false),
2120 ]
2121 })
2122 .await;
2123
2124 channel_b
2125 .update(&mut cx_b, |channel, cx| {
2126 channel.send_message("yep".to_string(), cx).unwrap()
2127 })
2128 .await
2129 .unwrap();
2130 channel_a
2131 .condition(&cx_a, |channel, _| {
2132 channel_messages(channel)
2133 == [
2134 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2135 ("user_a".to_string(), "oh, hi B.".to_string(), false),
2136 ("user_a".to_string(), "sup".to_string(), false),
2137 ("user_b".to_string(), "can you see this?".to_string(), false),
2138 ("user_a".to_string(), "you online?".to_string(), false),
2139 ("user_b".to_string(), "yep".to_string(), false),
2140 ]
2141 })
2142 .await;
2143 }
2144
2145 #[gpui::test]
2146 async fn test_contacts(
2147 mut cx_a: TestAppContext,
2148 mut cx_b: TestAppContext,
2149 mut cx_c: TestAppContext,
2150 ) {
2151 cx_a.foreground().forbid_parking();
2152 let lang_registry = Arc::new(LanguageRegistry::new());
2153
2154 // Connect to a server as 3 clients.
2155 let mut server = TestServer::start().await;
2156 let client_a = server.create_client(&mut cx_a, "user_a").await;
2157 let client_b = server.create_client(&mut cx_b, "user_b").await;
2158 let client_c = server.create_client(&mut cx_c, "user_c").await;
2159
2160 let fs = Arc::new(FakeFs::new());
2161
2162 // Share a worktree as client A.
2163 fs.insert_tree(
2164 "/a",
2165 json!({
2166 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
2167 }),
2168 )
2169 .await;
2170
2171 let worktree_a = Worktree::open_local(
2172 client_a.clone(),
2173 client_a.user_store.clone(),
2174 "/a".as_ref(),
2175 fs.clone(),
2176 lang_registry.clone(),
2177 &mut cx_a.to_async(),
2178 )
2179 .await
2180 .unwrap();
2181
2182 client_a
2183 .user_store
2184 .condition(&cx_a, |user_store, _| {
2185 contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
2186 })
2187 .await;
2188 client_b
2189 .user_store
2190 .condition(&cx_b, |user_store, _| {
2191 contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
2192 })
2193 .await;
2194 client_c
2195 .user_store
2196 .condition(&cx_c, |user_store, _| {
2197 contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
2198 })
2199 .await;
2200
2201 let worktree_id = worktree_a
2202 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
2203 .await
2204 .unwrap();
2205
2206 let _worktree_b = Worktree::open_remote(
2207 client_b.clone(),
2208 worktree_id,
2209 lang_registry.clone(),
2210 client_b.user_store.clone(),
2211 &mut cx_b.to_async(),
2212 )
2213 .await
2214 .unwrap();
2215
2216 client_a
2217 .user_store
2218 .condition(&cx_a, |user_store, _| {
2219 contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2220 })
2221 .await;
2222 client_b
2223 .user_store
2224 .condition(&cx_b, |user_store, _| {
2225 contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2226 })
2227 .await;
2228 client_c
2229 .user_store
2230 .condition(&cx_c, |user_store, _| {
2231 contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2232 })
2233 .await;
2234
2235 worktree_a
2236 .condition(&cx_a, |worktree, _| {
2237 worktree.collaborators().contains_key(&client_b.peer_id)
2238 })
2239 .await;
2240
2241 cx_a.update(move |_| drop(worktree_a));
2242 client_a
2243 .user_store
2244 .condition(&cx_a, |user_store, _| contacts(user_store) == vec![])
2245 .await;
2246 client_b
2247 .user_store
2248 .condition(&cx_b, |user_store, _| contacts(user_store) == vec![])
2249 .await;
2250 client_c
2251 .user_store
2252 .condition(&cx_c, |user_store, _| contacts(user_store) == vec![])
2253 .await;
2254
2255 fn contacts(user_store: &UserStore) -> Vec<(&str, Vec<(&str, Vec<&str>)>)> {
2256 user_store
2257 .contacts()
2258 .iter()
2259 .map(|contact| {
2260 let worktrees = contact
2261 .worktrees
2262 .iter()
2263 .map(|w| {
2264 (
2265 w.root_name.as_str(),
2266 w.guests.iter().map(|p| p.github_login.as_str()).collect(),
2267 )
2268 })
2269 .collect();
2270 (contact.user.github_login.as_str(), worktrees)
2271 })
2272 .collect()
2273 }
2274 }
2275
2276 struct TestServer {
2277 peer: Arc<Peer>,
2278 app_state: Arc<AppState>,
2279 server: Arc<Server>,
2280 notifications: mpsc::Receiver<()>,
2281 connection_killers: Arc<Mutex<HashMap<UserId, watch::Sender<Option<()>>>>>,
2282 forbid_connections: Arc<AtomicBool>,
2283 _test_db: TestDb,
2284 }
2285
2286 impl TestServer {
2287 async fn start() -> Self {
2288 let test_db = TestDb::new();
2289 let app_state = Self::build_app_state(&test_db).await;
2290 let peer = Peer::new();
2291 let notifications = mpsc::channel(128);
2292 let server = Server::new(app_state.clone(), peer.clone(), Some(notifications.0));
2293 Self {
2294 peer,
2295 app_state,
2296 server,
2297 notifications: notifications.1,
2298 connection_killers: Default::default(),
2299 forbid_connections: Default::default(),
2300 _test_db: test_db,
2301 }
2302 }
2303
2304 async fn create_client(&mut self, cx: &mut TestAppContext, name: &str) -> TestClient {
2305 let user_id = self.app_state.db.create_user(name, false).await.unwrap();
2306 let client_name = name.to_string();
2307 let mut client = Client::new();
2308 let server = self.server.clone();
2309 let connection_killers = self.connection_killers.clone();
2310 let forbid_connections = self.forbid_connections.clone();
2311 let (connection_id_tx, mut connection_id_rx) = postage::mpsc::channel(16);
2312
2313 Arc::get_mut(&mut client)
2314 .unwrap()
2315 .override_authenticate(move |cx| {
2316 cx.spawn(|_| async move {
2317 let access_token = "the-token".to_string();
2318 Ok(Credentials {
2319 user_id: user_id.0 as u64,
2320 access_token,
2321 })
2322 })
2323 })
2324 .override_establish_connection(move |credentials, cx| {
2325 assert_eq!(credentials.user_id, user_id.0 as u64);
2326 assert_eq!(credentials.access_token, "the-token");
2327
2328 let server = server.clone();
2329 let connection_killers = connection_killers.clone();
2330 let forbid_connections = forbid_connections.clone();
2331 let client_name = client_name.clone();
2332 let connection_id_tx = connection_id_tx.clone();
2333 cx.spawn(move |cx| async move {
2334 if forbid_connections.load(SeqCst) {
2335 Err(EstablishConnectionError::other(anyhow!(
2336 "server is forbidding connections"
2337 )))
2338 } else {
2339 let (client_conn, server_conn, kill_conn) = Connection::in_memory();
2340 connection_killers.lock().insert(user_id, kill_conn);
2341 cx.background()
2342 .spawn(server.handle_connection(
2343 server_conn,
2344 client_name,
2345 user_id,
2346 Some(connection_id_tx),
2347 ))
2348 .detach();
2349 Ok(client_conn)
2350 }
2351 })
2352 });
2353
2354 let http = FakeHttpClient::new(|_| async move { Ok(surf::http::Response::new(404)) });
2355 client
2356 .authenticate_and_connect(&cx.to_async())
2357 .await
2358 .unwrap();
2359
2360 let peer_id = PeerId(connection_id_rx.recv().await.unwrap().0);
2361 let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http, cx));
2362 let mut authed_user =
2363 user_store.read_with(cx, |user_store, _| user_store.watch_current_user());
2364 while authed_user.recv().await.unwrap().is_none() {}
2365
2366 TestClient {
2367 client,
2368 peer_id,
2369 user_store,
2370 }
2371 }
2372
2373 fn disconnect_client(&self, user_id: UserId) {
2374 if let Some(mut kill_conn) = self.connection_killers.lock().remove(&user_id) {
2375 let _ = kill_conn.try_send(Some(()));
2376 }
2377 }
2378
2379 fn forbid_connections(&self) {
2380 self.forbid_connections.store(true, SeqCst);
2381 }
2382
2383 fn allow_connections(&self) {
2384 self.forbid_connections.store(false, SeqCst);
2385 }
2386
2387 async fn build_app_state(test_db: &TestDb) -> Arc<AppState> {
2388 let mut config = Config::default();
2389 config.session_secret = "a".repeat(32);
2390 config.database_url = test_db.url.clone();
2391 let github_client = github::AppClient::test();
2392 Arc::new(AppState {
2393 db: test_db.db().clone(),
2394 handlebars: Default::default(),
2395 auth_client: auth::build_client("", ""),
2396 repo_client: github::RepoClient::test(&github_client),
2397 github_client,
2398 config,
2399 })
2400 }
2401
2402 async fn state<'a>(&'a self) -> RwLockReadGuard<'a, Store> {
2403 self.server.store.read()
2404 }
2405
2406 async fn condition<F>(&mut self, mut predicate: F)
2407 where
2408 F: FnMut(&Store) -> bool,
2409 {
2410 async_std::future::timeout(Duration::from_millis(500), async {
2411 while !(predicate)(&*self.server.store.read()) {
2412 self.notifications.recv().await;
2413 }
2414 })
2415 .await
2416 .expect("condition timed out");
2417 }
2418 }
2419
2420 impl Drop for TestServer {
2421 fn drop(&mut self) {
2422 task::block_on(self.peer.reset());
2423 }
2424 }
2425
2426 struct TestClient {
2427 client: Arc<Client>,
2428 pub peer_id: PeerId,
2429 pub user_store: ModelHandle<UserStore>,
2430 }
2431
2432 impl Deref for TestClient {
2433 type Target = Arc<Client>;
2434
2435 fn deref(&self) -> &Self::Target {
2436 &self.client
2437 }
2438 }
2439
2440 impl TestClient {
2441 pub fn current_user_id(&self, cx: &TestAppContext) -> UserId {
2442 UserId::from_proto(
2443 self.user_store
2444 .read_with(cx, |user_store, _| user_store.current_user().unwrap().id),
2445 )
2446 }
2447 }
2448
2449 fn channel_messages(channel: &Channel) -> Vec<(String, String, bool)> {
2450 channel
2451 .messages()
2452 .cursor::<()>()
2453 .map(|m| {
2454 (
2455 m.sender.github_login.clone(),
2456 m.body.clone(),
2457 m.is_pending(),
2458 )
2459 })
2460 .collect()
2461 }
2462
2463 struct EmptyView;
2464
2465 impl gpui::Entity for EmptyView {
2466 type Event = ();
2467 }
2468
2469 impl gpui::View for EmptyView {
2470 fn ui_name() -> &'static str {
2471 "empty view"
2472 }
2473
2474 fn render(&mut self, _: &mut gpui::RenderContext<Self>) -> gpui::ElementBox {
2475 gpui::Element::boxed(gpui::elements::Empty)
2476 }
2477 }
2478}