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, DiagnosticEntry, Language, LanguageConfig,
951 LanguageRegistry, LanguageServerConfig, MultiBuffer, 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 let buffer_b = cx_b.add_model(|cx| MultiBuffer::singleton(buffer_b, cx));
1039 buffer_b.read_with(&cx_b, |buf, cx| {
1040 assert_eq!(buf.read(cx).text(), "b-contents")
1041 });
1042 worktree_a.read_with(&cx_a, |tree, cx| assert!(tree.has_open_buffer("b.txt", cx)));
1043 let buffer_a = worktree_a
1044 .update(&mut cx_a, |tree, cx| tree.open_buffer("b.txt", cx))
1045 .await
1046 .unwrap();
1047
1048 // Create a selection set as client B and see that selection set as client A.
1049 let editor_b = cx_b.add_view(window_b, |cx| {
1050 Editor::for_buffer(buffer_b, |cx| EditorSettings::test(cx), cx)
1051 });
1052 buffer_a
1053 .condition(&cx_a, |buffer, _| buffer.selection_sets().count() == 1)
1054 .await;
1055
1056 // Edit the buffer as client B and see that edit as client A.
1057 editor_b.update(&mut cx_b, |editor, cx| {
1058 editor.handle_input(&Input("ok, ".into()), cx)
1059 });
1060 buffer_a
1061 .condition(&cx_a, |buffer, _| buffer.text() == "ok, b-contents")
1062 .await;
1063
1064 // Remove the selection set as client B, see those selections disappear as client A.
1065 cx_b.update(move |_| drop(editor_b));
1066 buffer_a
1067 .condition(&cx_a, |buffer, _| buffer.selection_sets().count() == 0)
1068 .await;
1069
1070 // Close the buffer as client A, see that the buffer is closed.
1071 cx_a.update(move |_| drop(buffer_a));
1072 worktree_a
1073 .condition(&cx_a, |tree, cx| !tree.has_open_buffer("b.txt", cx))
1074 .await;
1075
1076 // Dropping the worktree removes client B from client A's collaborators.
1077 cx_b.update(move |_| drop(worktree_b));
1078 worktree_a
1079 .condition(&cx_a, |tree, _| tree.collaborators().is_empty())
1080 .await;
1081 }
1082
1083 #[gpui::test]
1084 async fn test_unshare_worktree(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1085 cx_b.update(zed::contacts_panel::init);
1086 let mut app_state_a = cx_a.update(test_app_state);
1087 let mut app_state_b = cx_b.update(test_app_state);
1088
1089 // Connect to a server as 2 clients.
1090 let mut server = TestServer::start().await;
1091 let client_a = server.create_client(&mut cx_a, "user_a").await;
1092 let client_b = server.create_client(&mut cx_b, "user_b").await;
1093 Arc::get_mut(&mut app_state_a).unwrap().client = client_a.clone();
1094 Arc::get_mut(&mut app_state_a).unwrap().user_store = client_a.user_store.clone();
1095 Arc::get_mut(&mut app_state_b).unwrap().client = client_b.clone();
1096 Arc::get_mut(&mut app_state_b).unwrap().user_store = client_b.user_store.clone();
1097
1098 cx_a.foreground().forbid_parking();
1099
1100 // Share a local worktree as client A
1101 let fs = Arc::new(FakeFs::new());
1102 fs.insert_tree(
1103 "/a",
1104 json!({
1105 ".zed.toml": r#"collaborators = ["user_b"]"#,
1106 "a.txt": "a-contents",
1107 "b.txt": "b-contents",
1108 }),
1109 )
1110 .await;
1111 let worktree_a = Worktree::open_local(
1112 app_state_a.client.clone(),
1113 app_state_a.user_store.clone(),
1114 "/a".as_ref(),
1115 fs,
1116 app_state_a.languages.clone(),
1117 &mut cx_a.to_async(),
1118 )
1119 .await
1120 .unwrap();
1121 worktree_a
1122 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1123 .await;
1124
1125 let remote_worktree_id = worktree_a
1126 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1127 .await
1128 .unwrap();
1129
1130 let (window_b, workspace_b) =
1131 cx_b.add_window(|cx| Workspace::new(&app_state_b.as_ref().into(), cx));
1132 cx_b.update(|cx| {
1133 cx.dispatch_action(
1134 window_b,
1135 vec![workspace_b.id()],
1136 &JoinWorktree(remote_worktree_id),
1137 );
1138 });
1139 workspace_b
1140 .condition(&cx_b, |workspace, cx| workspace.worktrees(cx).len() == 1)
1141 .await;
1142
1143 let local_worktree_id_b = workspace_b.read_with(&cx_b, |workspace, cx| {
1144 let active_pane = workspace.active_pane().read(cx);
1145 assert!(active_pane.active_item().is_none());
1146 workspace.worktrees(cx).first().unwrap().id()
1147 });
1148 workspace_b
1149 .update(&mut cx_b, |workspace, cx| {
1150 workspace.open_entry(
1151 ProjectPath {
1152 worktree_id: local_worktree_id_b,
1153 path: Path::new("a.txt").into(),
1154 },
1155 cx,
1156 )
1157 })
1158 .unwrap()
1159 .await;
1160 workspace_b.read_with(&cx_b, |workspace, cx| {
1161 let active_pane = workspace.active_pane().read(cx);
1162 assert!(active_pane.active_item().is_some());
1163 });
1164
1165 worktree_a.update(&mut cx_a, |tree, cx| {
1166 tree.as_local_mut().unwrap().unshare(cx);
1167 });
1168 workspace_b
1169 .condition(&cx_b, |workspace, cx| workspace.worktrees(cx).len() == 0)
1170 .await;
1171 workspace_b.read_with(&cx_b, |workspace, cx| {
1172 let active_pane = workspace.active_pane().read(cx);
1173 assert!(active_pane.active_item().is_none());
1174 });
1175 }
1176
1177 #[gpui::test]
1178 async fn test_propagate_saves_and_fs_changes_in_shared_worktree(
1179 mut cx_a: TestAppContext,
1180 mut cx_b: TestAppContext,
1181 mut cx_c: TestAppContext,
1182 ) {
1183 cx_a.foreground().forbid_parking();
1184 let lang_registry = Arc::new(LanguageRegistry::new());
1185
1186 // Connect to a server as 3 clients.
1187 let mut server = TestServer::start().await;
1188 let client_a = server.create_client(&mut cx_a, "user_a").await;
1189 let client_b = server.create_client(&mut cx_b, "user_b").await;
1190 let client_c = server.create_client(&mut cx_c, "user_c").await;
1191
1192 let fs = Arc::new(FakeFs::new());
1193
1194 // Share a worktree as client A.
1195 fs.insert_tree(
1196 "/a",
1197 json!({
1198 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
1199 "file1": "",
1200 "file2": ""
1201 }),
1202 )
1203 .await;
1204
1205 let worktree_a = Worktree::open_local(
1206 client_a.clone(),
1207 client_a.user_store.clone(),
1208 "/a".as_ref(),
1209 fs.clone(),
1210 lang_registry.clone(),
1211 &mut cx_a.to_async(),
1212 )
1213 .await
1214 .unwrap();
1215 worktree_a
1216 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1217 .await;
1218 let worktree_id = worktree_a
1219 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1220 .await
1221 .unwrap();
1222
1223 // Join that worktree as clients B and C.
1224 let worktree_b = Worktree::open_remote(
1225 client_b.clone(),
1226 worktree_id,
1227 lang_registry.clone(),
1228 client_b.user_store.clone(),
1229 &mut cx_b.to_async(),
1230 )
1231 .await
1232 .unwrap();
1233 let worktree_c = Worktree::open_remote(
1234 client_c.clone(),
1235 worktree_id,
1236 lang_registry.clone(),
1237 client_c.user_store.clone(),
1238 &mut cx_c.to_async(),
1239 )
1240 .await
1241 .unwrap();
1242
1243 // Open and edit a buffer as both guests B and C.
1244 let buffer_b = worktree_b
1245 .update(&mut cx_b, |tree, cx| tree.open_buffer("file1", cx))
1246 .await
1247 .unwrap();
1248 let buffer_c = worktree_c
1249 .update(&mut cx_c, |tree, cx| tree.open_buffer("file1", cx))
1250 .await
1251 .unwrap();
1252 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "i-am-b, ", cx));
1253 buffer_c.update(&mut cx_c, |buf, cx| buf.edit([0..0], "i-am-c, ", cx));
1254
1255 // Open and edit that buffer as the host.
1256 let buffer_a = worktree_a
1257 .update(&mut cx_a, |tree, cx| tree.open_buffer("file1", cx))
1258 .await
1259 .unwrap();
1260
1261 buffer_a
1262 .condition(&mut cx_a, |buf, _| buf.text() == "i-am-c, i-am-b, ")
1263 .await;
1264 buffer_a.update(&mut cx_a, |buf, cx| {
1265 buf.edit([buf.len()..buf.len()], "i-am-a", cx)
1266 });
1267
1268 // Wait for edits to propagate
1269 buffer_a
1270 .condition(&mut cx_a, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1271 .await;
1272 buffer_b
1273 .condition(&mut cx_b, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1274 .await;
1275 buffer_c
1276 .condition(&mut cx_c, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1277 .await;
1278
1279 // Edit the buffer as the host and concurrently save as guest B.
1280 let save_b = buffer_b.update(&mut cx_b, |buf, cx| buf.save(cx).unwrap());
1281 buffer_a.update(&mut cx_a, |buf, cx| buf.edit([0..0], "hi-a, ", cx));
1282 save_b.await.unwrap();
1283 assert_eq!(
1284 fs.load("/a/file1".as_ref()).await.unwrap(),
1285 "hi-a, i-am-c, i-am-b, i-am-a"
1286 );
1287 buffer_a.read_with(&cx_a, |buf, _| assert!(!buf.is_dirty()));
1288 buffer_b.read_with(&cx_b, |buf, _| assert!(!buf.is_dirty()));
1289 buffer_c.condition(&cx_c, |buf, _| !buf.is_dirty()).await;
1290
1291 // Make changes on host's file system, see those changes on the guests.
1292 fs.rename("/a/file2".as_ref(), "/a/file3".as_ref())
1293 .await
1294 .unwrap();
1295 fs.insert_file(Path::new("/a/file4"), "4".into())
1296 .await
1297 .unwrap();
1298
1299 worktree_b
1300 .condition(&cx_b, |tree, _| tree.file_count() == 4)
1301 .await;
1302 worktree_c
1303 .condition(&cx_c, |tree, _| tree.file_count() == 4)
1304 .await;
1305 worktree_b.read_with(&cx_b, |tree, _| {
1306 assert_eq!(
1307 tree.paths()
1308 .map(|p| p.to_string_lossy())
1309 .collect::<Vec<_>>(),
1310 &[".zed.toml", "file1", "file3", "file4"]
1311 )
1312 });
1313 worktree_c.read_with(&cx_c, |tree, _| {
1314 assert_eq!(
1315 tree.paths()
1316 .map(|p| p.to_string_lossy())
1317 .collect::<Vec<_>>(),
1318 &[".zed.toml", "file1", "file3", "file4"]
1319 )
1320 });
1321 }
1322
1323 #[gpui::test]
1324 async fn test_buffer_conflict_after_save(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1325 cx_a.foreground().forbid_parking();
1326 let lang_registry = Arc::new(LanguageRegistry::new());
1327
1328 // Connect to a server as 2 clients.
1329 let mut server = TestServer::start().await;
1330 let client_a = server.create_client(&mut cx_a, "user_a").await;
1331 let client_b = server.create_client(&mut cx_b, "user_b").await;
1332
1333 // Share a local worktree as client A
1334 let fs = Arc::new(FakeFs::new());
1335 fs.insert_tree(
1336 "/dir",
1337 json!({
1338 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
1339 "a.txt": "a-contents",
1340 }),
1341 )
1342 .await;
1343
1344 let worktree_a = Worktree::open_local(
1345 client_a.clone(),
1346 client_a.user_store.clone(),
1347 "/dir".as_ref(),
1348 fs,
1349 lang_registry.clone(),
1350 &mut cx_a.to_async(),
1351 )
1352 .await
1353 .unwrap();
1354 worktree_a
1355 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1356 .await;
1357 let worktree_id = worktree_a
1358 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1359 .await
1360 .unwrap();
1361
1362 // Join that worktree as client B, and see that a guest has joined as client A.
1363 let worktree_b = Worktree::open_remote(
1364 client_b.clone(),
1365 worktree_id,
1366 lang_registry.clone(),
1367 client_b.user_store.clone(),
1368 &mut cx_b.to_async(),
1369 )
1370 .await
1371 .unwrap();
1372
1373 let buffer_b = worktree_b
1374 .update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx))
1375 .await
1376 .unwrap();
1377 let mtime = buffer_b.read_with(&cx_b, |buf, _| buf.file().unwrap().mtime());
1378
1379 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "world ", cx));
1380 buffer_b.read_with(&cx_b, |buf, _| {
1381 assert!(buf.is_dirty());
1382 assert!(!buf.has_conflict());
1383 });
1384
1385 buffer_b
1386 .update(&mut cx_b, |buf, cx| buf.save(cx))
1387 .unwrap()
1388 .await
1389 .unwrap();
1390 worktree_b
1391 .condition(&cx_b, |_, cx| {
1392 buffer_b.read(cx).file().unwrap().mtime() != mtime
1393 })
1394 .await;
1395 buffer_b.read_with(&cx_b, |buf, _| {
1396 assert!(!buf.is_dirty());
1397 assert!(!buf.has_conflict());
1398 });
1399
1400 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "hello ", cx));
1401 buffer_b.read_with(&cx_b, |buf, _| {
1402 assert!(buf.is_dirty());
1403 assert!(!buf.has_conflict());
1404 });
1405 }
1406
1407 #[gpui::test]
1408 async fn test_editing_while_guest_opens_buffer(
1409 mut cx_a: TestAppContext,
1410 mut cx_b: TestAppContext,
1411 ) {
1412 cx_a.foreground().forbid_parking();
1413 let lang_registry = Arc::new(LanguageRegistry::new());
1414
1415 // Connect to a server as 2 clients.
1416 let mut server = TestServer::start().await;
1417 let client_a = server.create_client(&mut cx_a, "user_a").await;
1418 let client_b = server.create_client(&mut cx_b, "user_b").await;
1419
1420 // Share a local worktree as client A
1421 let fs = Arc::new(FakeFs::new());
1422 fs.insert_tree(
1423 "/dir",
1424 json!({
1425 ".zed.toml": r#"collaborators = ["user_b"]"#,
1426 "a.txt": "a-contents",
1427 }),
1428 )
1429 .await;
1430 let worktree_a = Worktree::open_local(
1431 client_a.clone(),
1432 client_a.user_store.clone(),
1433 "/dir".as_ref(),
1434 fs,
1435 lang_registry.clone(),
1436 &mut cx_a.to_async(),
1437 )
1438 .await
1439 .unwrap();
1440 worktree_a
1441 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1442 .await;
1443 let worktree_id = worktree_a
1444 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1445 .await
1446 .unwrap();
1447
1448 // Join that worktree as client B, and see that a guest has joined as client A.
1449 let worktree_b = Worktree::open_remote(
1450 client_b.clone(),
1451 worktree_id,
1452 lang_registry.clone(),
1453 client_b.user_store.clone(),
1454 &mut cx_b.to_async(),
1455 )
1456 .await
1457 .unwrap();
1458
1459 let buffer_a = worktree_a
1460 .update(&mut cx_a, |tree, cx| tree.open_buffer("a.txt", cx))
1461 .await
1462 .unwrap();
1463 let buffer_b = cx_b
1464 .background()
1465 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx)));
1466
1467 task::yield_now().await;
1468 buffer_a.update(&mut cx_a, |buf, cx| buf.edit([0..0], "z", cx));
1469
1470 let text = buffer_a.read_with(&cx_a, |buf, _| buf.text());
1471 let buffer_b = buffer_b.await.unwrap();
1472 buffer_b.condition(&cx_b, |buf, _| buf.text() == text).await;
1473 }
1474
1475 #[gpui::test]
1476 async fn test_leaving_worktree_while_opening_buffer(
1477 mut cx_a: TestAppContext,
1478 mut cx_b: TestAppContext,
1479 ) {
1480 cx_a.foreground().forbid_parking();
1481 let lang_registry = Arc::new(LanguageRegistry::new());
1482
1483 // Connect to a server as 2 clients.
1484 let mut server = TestServer::start().await;
1485 let client_a = server.create_client(&mut cx_a, "user_a").await;
1486 let client_b = server.create_client(&mut cx_b, "user_b").await;
1487
1488 // Share a local worktree as client A
1489 let fs = Arc::new(FakeFs::new());
1490 fs.insert_tree(
1491 "/dir",
1492 json!({
1493 ".zed.toml": r#"collaborators = ["user_b"]"#,
1494 "a.txt": "a-contents",
1495 }),
1496 )
1497 .await;
1498 let worktree_a = Worktree::open_local(
1499 client_a.clone(),
1500 client_a.user_store.clone(),
1501 "/dir".as_ref(),
1502 fs,
1503 lang_registry.clone(),
1504 &mut cx_a.to_async(),
1505 )
1506 .await
1507 .unwrap();
1508 worktree_a
1509 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1510 .await;
1511 let worktree_id = worktree_a
1512 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1513 .await
1514 .unwrap();
1515
1516 // Join that worktree as client B, and see that a guest has joined as client A.
1517 let worktree_b = Worktree::open_remote(
1518 client_b.clone(),
1519 worktree_id,
1520 lang_registry.clone(),
1521 client_b.user_store.clone(),
1522 &mut cx_b.to_async(),
1523 )
1524 .await
1525 .unwrap();
1526 worktree_a
1527 .condition(&cx_a, |tree, _| tree.collaborators().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.collaborators().len() == 0)
1537 .await;
1538 }
1539
1540 #[gpui::test]
1541 async fn test_peer_disconnection(mut cx_a: TestAppContext, mut 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_b, "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 client_a.user_store.clone(),
1564 "/a".as_ref(),
1565 fs,
1566 lang_registry.clone(),
1567 &mut cx_a.to_async(),
1568 )
1569 .await
1570 .unwrap();
1571 worktree_a
1572 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1573 .await;
1574 let worktree_id = worktree_a
1575 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1576 .await
1577 .unwrap();
1578
1579 // Join that worktree as client B, and see that a guest has joined as client A.
1580 let _worktree_b = Worktree::open_remote(
1581 client_b.clone(),
1582 worktree_id,
1583 lang_registry.clone(),
1584 client_b.user_store.clone(),
1585 &mut cx_b.to_async(),
1586 )
1587 .await
1588 .unwrap();
1589 worktree_a
1590 .condition(&cx_a, |tree, _| tree.collaborators().len() == 1)
1591 .await;
1592
1593 // Drop client B's connection and ensure client A observes client B leaving the worktree.
1594 client_b.disconnect(&cx_b.to_async()).await.unwrap();
1595 worktree_a
1596 .condition(&cx_a, |tree, _| tree.collaborators().len() == 0)
1597 .await;
1598 }
1599
1600 #[gpui::test]
1601 async fn test_collaborating_with_diagnostics(
1602 mut cx_a: TestAppContext,
1603 mut cx_b: TestAppContext,
1604 ) {
1605 cx_a.foreground().forbid_parking();
1606 let (language_server_config, mut fake_language_server) =
1607 LanguageServerConfig::fake(cx_a.background()).await;
1608 let mut lang_registry = LanguageRegistry::new();
1609 lang_registry.add(Arc::new(Language::new(
1610 LanguageConfig {
1611 name: "Rust".to_string(),
1612 path_suffixes: vec!["rs".to_string()],
1613 language_server: Some(language_server_config),
1614 ..Default::default()
1615 },
1616 Some(tree_sitter_rust::language()),
1617 )));
1618
1619 let lang_registry = Arc::new(lang_registry);
1620
1621 // Connect to a server as 2 clients.
1622 let mut server = TestServer::start().await;
1623 let client_a = server.create_client(&mut cx_a, "user_a").await;
1624 let client_b = server.create_client(&mut cx_b, "user_b").await;
1625
1626 // Share a local worktree as client A
1627 let fs = Arc::new(FakeFs::new());
1628 fs.insert_tree(
1629 "/a",
1630 json!({
1631 ".zed.toml": r#"collaborators = ["user_b"]"#,
1632 "a.rs": "let one = two",
1633 "other.rs": "",
1634 }),
1635 )
1636 .await;
1637 let worktree_a = Worktree::open_local(
1638 client_a.clone(),
1639 client_a.user_store.clone(),
1640 "/a".as_ref(),
1641 fs,
1642 lang_registry.clone(),
1643 &mut cx_a.to_async(),
1644 )
1645 .await
1646 .unwrap();
1647 worktree_a
1648 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1649 .await;
1650 let worktree_id = worktree_a
1651 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1652 .await
1653 .unwrap();
1654
1655 // Cause language server to start.
1656 let _ = cx_a
1657 .background()
1658 .spawn(worktree_a.update(&mut cx_a, |worktree, cx| {
1659 worktree.open_buffer("other.rs", cx)
1660 }))
1661 .await
1662 .unwrap();
1663
1664 // Simulate a language server reporting errors for a file.
1665 fake_language_server
1666 .notify::<lsp::notification::PublishDiagnostics>(lsp::PublishDiagnosticsParams {
1667 uri: lsp::Url::from_file_path("/a/a.rs").unwrap(),
1668 version: None,
1669 diagnostics: vec![
1670 lsp::Diagnostic {
1671 severity: Some(lsp::DiagnosticSeverity::ERROR),
1672 range: lsp::Range::new(lsp::Position::new(0, 4), lsp::Position::new(0, 7)),
1673 message: "message 1".to_string(),
1674 ..Default::default()
1675 },
1676 lsp::Diagnostic {
1677 severity: Some(lsp::DiagnosticSeverity::WARNING),
1678 range: lsp::Range::new(
1679 lsp::Position::new(0, 10),
1680 lsp::Position::new(0, 13),
1681 ),
1682 message: "message 2".to_string(),
1683 ..Default::default()
1684 },
1685 ],
1686 })
1687 .await;
1688
1689 // Join the worktree as client B.
1690 let worktree_b = Worktree::open_remote(
1691 client_b.clone(),
1692 worktree_id,
1693 lang_registry.clone(),
1694 client_b.user_store.clone(),
1695 &mut cx_b.to_async(),
1696 )
1697 .await
1698 .unwrap();
1699
1700 // Open the file with the errors.
1701 let buffer_b = cx_b
1702 .background()
1703 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.rs", cx)))
1704 .await
1705 .unwrap();
1706
1707 buffer_b.read_with(&cx_b, |buffer, _| {
1708 assert_eq!(
1709 buffer
1710 .diagnostics_in_range::<_, Point>(0..buffer.len())
1711 .collect::<Vec<_>>(),
1712 &[
1713 DiagnosticEntry {
1714 range: Point::new(0, 4)..Point::new(0, 7),
1715 diagnostic: Diagnostic {
1716 group_id: 0,
1717 message: "message 1".to_string(),
1718 severity: lsp::DiagnosticSeverity::ERROR,
1719 is_primary: true
1720 }
1721 },
1722 DiagnosticEntry {
1723 range: Point::new(0, 10)..Point::new(0, 13),
1724 diagnostic: Diagnostic {
1725 group_id: 1,
1726 severity: lsp::DiagnosticSeverity::WARNING,
1727 message: "message 2".to_string(),
1728 is_primary: true
1729 }
1730 }
1731 ]
1732 );
1733 });
1734 }
1735
1736 #[gpui::test]
1737 async fn test_basic_chat(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1738 cx_a.foreground().forbid_parking();
1739
1740 // Connect to a server as 2 clients.
1741 let mut server = TestServer::start().await;
1742 let client_a = server.create_client(&mut cx_a, "user_a").await;
1743 let client_b = server.create_client(&mut cx_b, "user_b").await;
1744
1745 // Create an org that includes these 2 users.
1746 let db = &server.app_state.db;
1747 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
1748 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
1749 .await
1750 .unwrap();
1751 db.add_org_member(org_id, client_b.current_user_id(&cx_b), false)
1752 .await
1753 .unwrap();
1754
1755 // Create a channel that includes all the users.
1756 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
1757 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
1758 .await
1759 .unwrap();
1760 db.add_channel_member(channel_id, client_b.current_user_id(&cx_b), false)
1761 .await
1762 .unwrap();
1763 db.create_channel_message(
1764 channel_id,
1765 client_b.current_user_id(&cx_b),
1766 "hello A, it's B.",
1767 OffsetDateTime::now_utc(),
1768 1,
1769 )
1770 .await
1771 .unwrap();
1772
1773 let channels_a = cx_a
1774 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
1775 channels_a
1776 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
1777 .await;
1778 channels_a.read_with(&cx_a, |list, _| {
1779 assert_eq!(
1780 list.available_channels().unwrap(),
1781 &[ChannelDetails {
1782 id: channel_id.to_proto(),
1783 name: "test-channel".to_string()
1784 }]
1785 )
1786 });
1787 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
1788 this.get_channel(channel_id.to_proto(), cx).unwrap()
1789 });
1790 channel_a.read_with(&cx_a, |channel, _| assert!(channel.messages().is_empty()));
1791 channel_a
1792 .condition(&cx_a, |channel, _| {
1793 channel_messages(channel)
1794 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1795 })
1796 .await;
1797
1798 let channels_b = cx_b
1799 .add_model(|cx| ChannelList::new(client_b.user_store.clone(), client_b.clone(), cx));
1800 channels_b
1801 .condition(&mut cx_b, |list, _| list.available_channels().is_some())
1802 .await;
1803 channels_b.read_with(&cx_b, |list, _| {
1804 assert_eq!(
1805 list.available_channels().unwrap(),
1806 &[ChannelDetails {
1807 id: channel_id.to_proto(),
1808 name: "test-channel".to_string()
1809 }]
1810 )
1811 });
1812
1813 let channel_b = channels_b.update(&mut cx_b, |this, cx| {
1814 this.get_channel(channel_id.to_proto(), cx).unwrap()
1815 });
1816 channel_b.read_with(&cx_b, |channel, _| assert!(channel.messages().is_empty()));
1817 channel_b
1818 .condition(&cx_b, |channel, _| {
1819 channel_messages(channel)
1820 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1821 })
1822 .await;
1823
1824 channel_a
1825 .update(&mut cx_a, |channel, cx| {
1826 channel
1827 .send_message("oh, hi B.".to_string(), cx)
1828 .unwrap()
1829 .detach();
1830 let task = channel.send_message("sup".to_string(), cx).unwrap();
1831 assert_eq!(
1832 channel_messages(channel),
1833 &[
1834 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1835 ("user_a".to_string(), "oh, hi B.".to_string(), true),
1836 ("user_a".to_string(), "sup".to_string(), true)
1837 ]
1838 );
1839 task
1840 })
1841 .await
1842 .unwrap();
1843
1844 channel_b
1845 .condition(&cx_b, |channel, _| {
1846 channel_messages(channel)
1847 == [
1848 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1849 ("user_a".to_string(), "oh, hi B.".to_string(), false),
1850 ("user_a".to_string(), "sup".to_string(), false),
1851 ]
1852 })
1853 .await;
1854
1855 assert_eq!(
1856 server
1857 .state()
1858 .await
1859 .channel(channel_id)
1860 .unwrap()
1861 .connection_ids
1862 .len(),
1863 2
1864 );
1865 cx_b.update(|_| drop(channel_b));
1866 server
1867 .condition(|state| state.channel(channel_id).unwrap().connection_ids.len() == 1)
1868 .await;
1869
1870 cx_a.update(|_| drop(channel_a));
1871 server
1872 .condition(|state| state.channel(channel_id).is_none())
1873 .await;
1874 }
1875
1876 #[gpui::test]
1877 async fn test_chat_message_validation(mut cx_a: TestAppContext) {
1878 cx_a.foreground().forbid_parking();
1879
1880 let mut server = TestServer::start().await;
1881 let client_a = server.create_client(&mut cx_a, "user_a").await;
1882
1883 let db = &server.app_state.db;
1884 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
1885 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
1886 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
1887 .await
1888 .unwrap();
1889 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
1890 .await
1891 .unwrap();
1892
1893 let channels_a = cx_a
1894 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
1895 channels_a
1896 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
1897 .await;
1898 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
1899 this.get_channel(channel_id.to_proto(), cx).unwrap()
1900 });
1901
1902 // Messages aren't allowed to be too long.
1903 channel_a
1904 .update(&mut cx_a, |channel, cx| {
1905 let long_body = "this is long.\n".repeat(1024);
1906 channel.send_message(long_body, cx).unwrap()
1907 })
1908 .await
1909 .unwrap_err();
1910
1911 // Messages aren't allowed to be blank.
1912 channel_a.update(&mut cx_a, |channel, cx| {
1913 channel.send_message(String::new(), cx).unwrap_err()
1914 });
1915
1916 // Leading and trailing whitespace are trimmed.
1917 channel_a
1918 .update(&mut cx_a, |channel, cx| {
1919 channel
1920 .send_message("\n surrounded by whitespace \n".to_string(), cx)
1921 .unwrap()
1922 })
1923 .await
1924 .unwrap();
1925 assert_eq!(
1926 db.get_channel_messages(channel_id, 10, None)
1927 .await
1928 .unwrap()
1929 .iter()
1930 .map(|m| &m.body)
1931 .collect::<Vec<_>>(),
1932 &["surrounded by whitespace"]
1933 );
1934 }
1935
1936 #[gpui::test]
1937 async fn test_chat_reconnection(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1938 cx_a.foreground().forbid_parking();
1939
1940 // Connect to a server as 2 clients.
1941 let mut server = TestServer::start().await;
1942 let client_a = server.create_client(&mut cx_a, "user_a").await;
1943 let client_b = server.create_client(&mut cx_b, "user_b").await;
1944 let mut status_b = client_b.status();
1945
1946 // Create an org that includes these 2 users.
1947 let db = &server.app_state.db;
1948 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
1949 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
1950 .await
1951 .unwrap();
1952 db.add_org_member(org_id, client_b.current_user_id(&cx_b), false)
1953 .await
1954 .unwrap();
1955
1956 // Create a channel that includes all the users.
1957 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
1958 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
1959 .await
1960 .unwrap();
1961 db.add_channel_member(channel_id, client_b.current_user_id(&cx_b), false)
1962 .await
1963 .unwrap();
1964 db.create_channel_message(
1965 channel_id,
1966 client_b.current_user_id(&cx_b),
1967 "hello A, it's B.",
1968 OffsetDateTime::now_utc(),
1969 2,
1970 )
1971 .await
1972 .unwrap();
1973
1974 let channels_a = cx_a
1975 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
1976 channels_a
1977 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
1978 .await;
1979
1980 channels_a.read_with(&cx_a, |list, _| {
1981 assert_eq!(
1982 list.available_channels().unwrap(),
1983 &[ChannelDetails {
1984 id: channel_id.to_proto(),
1985 name: "test-channel".to_string()
1986 }]
1987 )
1988 });
1989 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
1990 this.get_channel(channel_id.to_proto(), cx).unwrap()
1991 });
1992 channel_a.read_with(&cx_a, |channel, _| assert!(channel.messages().is_empty()));
1993 channel_a
1994 .condition(&cx_a, |channel, _| {
1995 channel_messages(channel)
1996 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1997 })
1998 .await;
1999
2000 let channels_b = cx_b
2001 .add_model(|cx| ChannelList::new(client_b.user_store.clone(), client_b.clone(), cx));
2002 channels_b
2003 .condition(&mut cx_b, |list, _| list.available_channels().is_some())
2004 .await;
2005 channels_b.read_with(&cx_b, |list, _| {
2006 assert_eq!(
2007 list.available_channels().unwrap(),
2008 &[ChannelDetails {
2009 id: channel_id.to_proto(),
2010 name: "test-channel".to_string()
2011 }]
2012 )
2013 });
2014
2015 let channel_b = channels_b.update(&mut cx_b, |this, cx| {
2016 this.get_channel(channel_id.to_proto(), cx).unwrap()
2017 });
2018 channel_b.read_with(&cx_b, |channel, _| assert!(channel.messages().is_empty()));
2019 channel_b
2020 .condition(&cx_b, |channel, _| {
2021 channel_messages(channel)
2022 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
2023 })
2024 .await;
2025
2026 // Disconnect client B, ensuring we can still access its cached channel data.
2027 server.forbid_connections();
2028 server.disconnect_client(client_b.current_user_id(&cx_b));
2029 while !matches!(
2030 status_b.recv().await,
2031 Some(client::Status::ReconnectionError { .. })
2032 ) {}
2033
2034 channels_b.read_with(&cx_b, |channels, _| {
2035 assert_eq!(
2036 channels.available_channels().unwrap(),
2037 [ChannelDetails {
2038 id: channel_id.to_proto(),
2039 name: "test-channel".to_string()
2040 }]
2041 )
2042 });
2043 channel_b.read_with(&cx_b, |channel, _| {
2044 assert_eq!(
2045 channel_messages(channel),
2046 [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
2047 )
2048 });
2049
2050 // Send a message from client B while it is disconnected.
2051 channel_b
2052 .update(&mut cx_b, |channel, cx| {
2053 let task = channel
2054 .send_message("can you see this?".to_string(), cx)
2055 .unwrap();
2056 assert_eq!(
2057 channel_messages(channel),
2058 &[
2059 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2060 ("user_b".to_string(), "can you see this?".to_string(), true)
2061 ]
2062 );
2063 task
2064 })
2065 .await
2066 .unwrap_err();
2067
2068 // Send a message from client A while B is disconnected.
2069 channel_a
2070 .update(&mut cx_a, |channel, cx| {
2071 channel
2072 .send_message("oh, hi B.".to_string(), cx)
2073 .unwrap()
2074 .detach();
2075 let task = channel.send_message("sup".to_string(), cx).unwrap();
2076 assert_eq!(
2077 channel_messages(channel),
2078 &[
2079 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2080 ("user_a".to_string(), "oh, hi B.".to_string(), true),
2081 ("user_a".to_string(), "sup".to_string(), true)
2082 ]
2083 );
2084 task
2085 })
2086 .await
2087 .unwrap();
2088
2089 // Give client B a chance to reconnect.
2090 server.allow_connections();
2091 cx_b.foreground().advance_clock(Duration::from_secs(10));
2092
2093 // Verify that B sees the new messages upon reconnection, as well as the message client B
2094 // sent while offline.
2095 channel_b
2096 .condition(&cx_b, |channel, _| {
2097 channel_messages(channel)
2098 == [
2099 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2100 ("user_a".to_string(), "oh, hi B.".to_string(), false),
2101 ("user_a".to_string(), "sup".to_string(), false),
2102 ("user_b".to_string(), "can you see this?".to_string(), false),
2103 ]
2104 })
2105 .await;
2106
2107 // Ensure client A and B can communicate normally after reconnection.
2108 channel_a
2109 .update(&mut cx_a, |channel, cx| {
2110 channel.send_message("you online?".to_string(), cx).unwrap()
2111 })
2112 .await
2113 .unwrap();
2114 channel_b
2115 .condition(&cx_b, |channel, _| {
2116 channel_messages(channel)
2117 == [
2118 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2119 ("user_a".to_string(), "oh, hi B.".to_string(), false),
2120 ("user_a".to_string(), "sup".to_string(), false),
2121 ("user_b".to_string(), "can you see this?".to_string(), false),
2122 ("user_a".to_string(), "you online?".to_string(), false),
2123 ]
2124 })
2125 .await;
2126
2127 channel_b
2128 .update(&mut cx_b, |channel, cx| {
2129 channel.send_message("yep".to_string(), cx).unwrap()
2130 })
2131 .await
2132 .unwrap();
2133 channel_a
2134 .condition(&cx_a, |channel, _| {
2135 channel_messages(channel)
2136 == [
2137 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2138 ("user_a".to_string(), "oh, hi B.".to_string(), false),
2139 ("user_a".to_string(), "sup".to_string(), false),
2140 ("user_b".to_string(), "can you see this?".to_string(), false),
2141 ("user_a".to_string(), "you online?".to_string(), false),
2142 ("user_b".to_string(), "yep".to_string(), false),
2143 ]
2144 })
2145 .await;
2146 }
2147
2148 #[gpui::test]
2149 async fn test_contacts(
2150 mut cx_a: TestAppContext,
2151 mut cx_b: TestAppContext,
2152 mut cx_c: TestAppContext,
2153 ) {
2154 cx_a.foreground().forbid_parking();
2155 let lang_registry = Arc::new(LanguageRegistry::new());
2156
2157 // Connect to a server as 3 clients.
2158 let mut server = TestServer::start().await;
2159 let client_a = server.create_client(&mut cx_a, "user_a").await;
2160 let client_b = server.create_client(&mut cx_b, "user_b").await;
2161 let client_c = server.create_client(&mut cx_c, "user_c").await;
2162
2163 let fs = Arc::new(FakeFs::new());
2164
2165 // Share a worktree as client A.
2166 fs.insert_tree(
2167 "/a",
2168 json!({
2169 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
2170 }),
2171 )
2172 .await;
2173
2174 let worktree_a = Worktree::open_local(
2175 client_a.clone(),
2176 client_a.user_store.clone(),
2177 "/a".as_ref(),
2178 fs.clone(),
2179 lang_registry.clone(),
2180 &mut cx_a.to_async(),
2181 )
2182 .await
2183 .unwrap();
2184
2185 client_a
2186 .user_store
2187 .condition(&cx_a, |user_store, _| {
2188 contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
2189 })
2190 .await;
2191 client_b
2192 .user_store
2193 .condition(&cx_b, |user_store, _| {
2194 contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
2195 })
2196 .await;
2197 client_c
2198 .user_store
2199 .condition(&cx_c, |user_store, _| {
2200 contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
2201 })
2202 .await;
2203
2204 let worktree_id = worktree_a
2205 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
2206 .await
2207 .unwrap();
2208
2209 let _worktree_b = Worktree::open_remote(
2210 client_b.clone(),
2211 worktree_id,
2212 lang_registry.clone(),
2213 client_b.user_store.clone(),
2214 &mut cx_b.to_async(),
2215 )
2216 .await
2217 .unwrap();
2218
2219 client_a
2220 .user_store
2221 .condition(&cx_a, |user_store, _| {
2222 contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2223 })
2224 .await;
2225 client_b
2226 .user_store
2227 .condition(&cx_b, |user_store, _| {
2228 contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2229 })
2230 .await;
2231 client_c
2232 .user_store
2233 .condition(&cx_c, |user_store, _| {
2234 contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2235 })
2236 .await;
2237
2238 worktree_a
2239 .condition(&cx_a, |worktree, _| {
2240 worktree.collaborators().contains_key(&client_b.peer_id)
2241 })
2242 .await;
2243
2244 cx_a.update(move |_| drop(worktree_a));
2245 client_a
2246 .user_store
2247 .condition(&cx_a, |user_store, _| contacts(user_store) == vec![])
2248 .await;
2249 client_b
2250 .user_store
2251 .condition(&cx_b, |user_store, _| contacts(user_store) == vec![])
2252 .await;
2253 client_c
2254 .user_store
2255 .condition(&cx_c, |user_store, _| contacts(user_store) == vec![])
2256 .await;
2257
2258 fn contacts(user_store: &UserStore) -> Vec<(&str, Vec<(&str, Vec<&str>)>)> {
2259 user_store
2260 .contacts()
2261 .iter()
2262 .map(|contact| {
2263 let worktrees = contact
2264 .worktrees
2265 .iter()
2266 .map(|w| {
2267 (
2268 w.root_name.as_str(),
2269 w.guests.iter().map(|p| p.github_login.as_str()).collect(),
2270 )
2271 })
2272 .collect();
2273 (contact.user.github_login.as_str(), worktrees)
2274 })
2275 .collect()
2276 }
2277 }
2278
2279 struct TestServer {
2280 peer: Arc<Peer>,
2281 app_state: Arc<AppState>,
2282 server: Arc<Server>,
2283 notifications: mpsc::Receiver<()>,
2284 connection_killers: Arc<Mutex<HashMap<UserId, watch::Sender<Option<()>>>>>,
2285 forbid_connections: Arc<AtomicBool>,
2286 _test_db: TestDb,
2287 }
2288
2289 impl TestServer {
2290 async fn start() -> Self {
2291 let test_db = TestDb::new();
2292 let app_state = Self::build_app_state(&test_db).await;
2293 let peer = Peer::new();
2294 let notifications = mpsc::channel(128);
2295 let server = Server::new(app_state.clone(), peer.clone(), Some(notifications.0));
2296 Self {
2297 peer,
2298 app_state,
2299 server,
2300 notifications: notifications.1,
2301 connection_killers: Default::default(),
2302 forbid_connections: Default::default(),
2303 _test_db: test_db,
2304 }
2305 }
2306
2307 async fn create_client(&mut self, cx: &mut TestAppContext, name: &str) -> TestClient {
2308 let user_id = self.app_state.db.create_user(name, false).await.unwrap();
2309 let client_name = name.to_string();
2310 let mut client = Client::new();
2311 let server = self.server.clone();
2312 let connection_killers = self.connection_killers.clone();
2313 let forbid_connections = self.forbid_connections.clone();
2314 let (connection_id_tx, mut connection_id_rx) = postage::mpsc::channel(16);
2315
2316 Arc::get_mut(&mut client)
2317 .unwrap()
2318 .override_authenticate(move |cx| {
2319 cx.spawn(|_| async move {
2320 let access_token = "the-token".to_string();
2321 Ok(Credentials {
2322 user_id: user_id.0 as u64,
2323 access_token,
2324 })
2325 })
2326 })
2327 .override_establish_connection(move |credentials, cx| {
2328 assert_eq!(credentials.user_id, user_id.0 as u64);
2329 assert_eq!(credentials.access_token, "the-token");
2330
2331 let server = server.clone();
2332 let connection_killers = connection_killers.clone();
2333 let forbid_connections = forbid_connections.clone();
2334 let client_name = client_name.clone();
2335 let connection_id_tx = connection_id_tx.clone();
2336 cx.spawn(move |cx| async move {
2337 if forbid_connections.load(SeqCst) {
2338 Err(EstablishConnectionError::other(anyhow!(
2339 "server is forbidding connections"
2340 )))
2341 } else {
2342 let (client_conn, server_conn, kill_conn) = Connection::in_memory();
2343 connection_killers.lock().insert(user_id, kill_conn);
2344 cx.background()
2345 .spawn(server.handle_connection(
2346 server_conn,
2347 client_name,
2348 user_id,
2349 Some(connection_id_tx),
2350 ))
2351 .detach();
2352 Ok(client_conn)
2353 }
2354 })
2355 });
2356
2357 let http = FakeHttpClient::new(|_| async move { Ok(surf::http::Response::new(404)) });
2358 client
2359 .authenticate_and_connect(&cx.to_async())
2360 .await
2361 .unwrap();
2362
2363 let peer_id = PeerId(connection_id_rx.recv().await.unwrap().0);
2364 let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http, cx));
2365 let mut authed_user =
2366 user_store.read_with(cx, |user_store, _| user_store.watch_current_user());
2367 while authed_user.recv().await.unwrap().is_none() {}
2368
2369 TestClient {
2370 client,
2371 peer_id,
2372 user_store,
2373 }
2374 }
2375
2376 fn disconnect_client(&self, user_id: UserId) {
2377 if let Some(mut kill_conn) = self.connection_killers.lock().remove(&user_id) {
2378 let _ = kill_conn.try_send(Some(()));
2379 }
2380 }
2381
2382 fn forbid_connections(&self) {
2383 self.forbid_connections.store(true, SeqCst);
2384 }
2385
2386 fn allow_connections(&self) {
2387 self.forbid_connections.store(false, SeqCst);
2388 }
2389
2390 async fn build_app_state(test_db: &TestDb) -> Arc<AppState> {
2391 let mut config = Config::default();
2392 config.session_secret = "a".repeat(32);
2393 config.database_url = test_db.url.clone();
2394 let github_client = github::AppClient::test();
2395 Arc::new(AppState {
2396 db: test_db.db().clone(),
2397 handlebars: Default::default(),
2398 auth_client: auth::build_client("", ""),
2399 repo_client: github::RepoClient::test(&github_client),
2400 github_client,
2401 config,
2402 })
2403 }
2404
2405 async fn state<'a>(&'a self) -> RwLockReadGuard<'a, Store> {
2406 self.server.store.read()
2407 }
2408
2409 async fn condition<F>(&mut self, mut predicate: F)
2410 where
2411 F: FnMut(&Store) -> bool,
2412 {
2413 async_std::future::timeout(Duration::from_millis(500), async {
2414 while !(predicate)(&*self.server.store.read()) {
2415 self.notifications.recv().await;
2416 }
2417 })
2418 .await
2419 .expect("condition timed out");
2420 }
2421 }
2422
2423 impl Drop for TestServer {
2424 fn drop(&mut self) {
2425 task::block_on(self.peer.reset());
2426 }
2427 }
2428
2429 struct TestClient {
2430 client: Arc<Client>,
2431 pub peer_id: PeerId,
2432 pub user_store: ModelHandle<UserStore>,
2433 }
2434
2435 impl Deref for TestClient {
2436 type Target = Arc<Client>;
2437
2438 fn deref(&self) -> &Self::Target {
2439 &self.client
2440 }
2441 }
2442
2443 impl TestClient {
2444 pub fn current_user_id(&self, cx: &TestAppContext) -> UserId {
2445 UserId::from_proto(
2446 self.user_store
2447 .read_with(cx, |user_store, _| user_store.current_user().unwrap().id),
2448 )
2449 }
2450 }
2451
2452 fn channel_messages(channel: &Channel) -> Vec<(String, String, bool)> {
2453 channel
2454 .messages()
2455 .cursor::<()>()
2456 .map(|m| {
2457 (
2458 m.sender.github_login.clone(),
2459 m.body.clone(),
2460 m.is_pending(),
2461 )
2462 })
2463 .collect()
2464 }
2465
2466 struct EmptyView;
2467
2468 impl gpui::Entity for EmptyView {
2469 type Event = ();
2470 }
2471
2472 impl gpui::View for EmptyView {
2473 fn ui_name() -> &'static str {
2474 "empty view"
2475 }
2476
2477 fn render(&mut self, _: &mut gpui::RenderContext<Self>) -> gpui::ElementBox {
2478 gpui::Element::boxed(gpui::elements::Empty)
2479 }
2480 }
2481}