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 .unwrap();
1158 workspace_b.read_with(&cx_b, |workspace, cx| {
1159 let active_pane = workspace.active_pane().read(cx);
1160 assert!(active_pane.active_item().is_some());
1161 });
1162
1163 worktree_a.update(&mut cx_a, |tree, cx| {
1164 tree.as_local_mut().unwrap().unshare(cx);
1165 });
1166 workspace_b
1167 .condition(&cx_b, |workspace, cx| workspace.worktrees(cx).len() == 0)
1168 .await;
1169 workspace_b.read_with(&cx_b, |workspace, cx| {
1170 let active_pane = workspace.active_pane().read(cx);
1171 assert!(active_pane.active_item().is_none());
1172 });
1173 }
1174
1175 #[gpui::test]
1176 async fn test_propagate_saves_and_fs_changes_in_shared_worktree(
1177 mut cx_a: TestAppContext,
1178 mut cx_b: TestAppContext,
1179 mut cx_c: TestAppContext,
1180 ) {
1181 cx_a.foreground().forbid_parking();
1182 let lang_registry = Arc::new(LanguageRegistry::new());
1183
1184 // Connect to a server as 3 clients.
1185 let mut server = TestServer::start().await;
1186 let client_a = server.create_client(&mut cx_a, "user_a").await;
1187 let client_b = server.create_client(&mut cx_b, "user_b").await;
1188 let client_c = server.create_client(&mut cx_c, "user_c").await;
1189
1190 let fs = Arc::new(FakeFs::new());
1191
1192 // Share a worktree as client A.
1193 fs.insert_tree(
1194 "/a",
1195 json!({
1196 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
1197 "file1": "",
1198 "file2": ""
1199 }),
1200 )
1201 .await;
1202
1203 let worktree_a = Worktree::open_local(
1204 client_a.clone(),
1205 client_a.user_store.clone(),
1206 "/a".as_ref(),
1207 fs.clone(),
1208 lang_registry.clone(),
1209 &mut cx_a.to_async(),
1210 )
1211 .await
1212 .unwrap();
1213 worktree_a
1214 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1215 .await;
1216 let worktree_id = worktree_a
1217 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1218 .await
1219 .unwrap();
1220
1221 // Join that worktree as clients B and C.
1222 let worktree_b = Worktree::open_remote(
1223 client_b.clone(),
1224 worktree_id,
1225 lang_registry.clone(),
1226 client_b.user_store.clone(),
1227 &mut cx_b.to_async(),
1228 )
1229 .await
1230 .unwrap();
1231 let worktree_c = Worktree::open_remote(
1232 client_c.clone(),
1233 worktree_id,
1234 lang_registry.clone(),
1235 client_c.user_store.clone(),
1236 &mut cx_c.to_async(),
1237 )
1238 .await
1239 .unwrap();
1240
1241 // Open and edit a buffer as both guests B and C.
1242 let buffer_b = worktree_b
1243 .update(&mut cx_b, |tree, cx| tree.open_buffer("file1", cx))
1244 .await
1245 .unwrap();
1246 let buffer_c = worktree_c
1247 .update(&mut cx_c, |tree, cx| tree.open_buffer("file1", cx))
1248 .await
1249 .unwrap();
1250 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "i-am-b, ", cx));
1251 buffer_c.update(&mut cx_c, |buf, cx| buf.edit([0..0], "i-am-c, ", cx));
1252
1253 // Open and edit that buffer as the host.
1254 let buffer_a = worktree_a
1255 .update(&mut cx_a, |tree, cx| tree.open_buffer("file1", cx))
1256 .await
1257 .unwrap();
1258
1259 buffer_a
1260 .condition(&mut cx_a, |buf, _| buf.text() == "i-am-c, i-am-b, ")
1261 .await;
1262 buffer_a.update(&mut cx_a, |buf, cx| {
1263 buf.edit([buf.len()..buf.len()], "i-am-a", cx)
1264 });
1265
1266 // Wait for edits to propagate
1267 buffer_a
1268 .condition(&mut cx_a, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1269 .await;
1270 buffer_b
1271 .condition(&mut cx_b, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1272 .await;
1273 buffer_c
1274 .condition(&mut cx_c, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1275 .await;
1276
1277 // Edit the buffer as the host and concurrently save as guest B.
1278 let save_b = buffer_b.update(&mut cx_b, |buf, cx| buf.save(cx).unwrap());
1279 buffer_a.update(&mut cx_a, |buf, cx| buf.edit([0..0], "hi-a, ", cx));
1280 save_b.await.unwrap();
1281 assert_eq!(
1282 fs.load("/a/file1".as_ref()).await.unwrap(),
1283 "hi-a, i-am-c, i-am-b, i-am-a"
1284 );
1285 buffer_a.read_with(&cx_a, |buf, _| assert!(!buf.is_dirty()));
1286 buffer_b.read_with(&cx_b, |buf, _| assert!(!buf.is_dirty()));
1287 buffer_c.condition(&cx_c, |buf, _| !buf.is_dirty()).await;
1288
1289 // Make changes on host's file system, see those changes on the guests.
1290 fs.rename("/a/file2".as_ref(), "/a/file3".as_ref())
1291 .await
1292 .unwrap();
1293 fs.insert_file(Path::new("/a/file4"), "4".into())
1294 .await
1295 .unwrap();
1296
1297 worktree_b
1298 .condition(&cx_b, |tree, _| tree.file_count() == 4)
1299 .await;
1300 worktree_c
1301 .condition(&cx_c, |tree, _| tree.file_count() == 4)
1302 .await;
1303 worktree_b.read_with(&cx_b, |tree, _| {
1304 assert_eq!(
1305 tree.paths()
1306 .map(|p| p.to_string_lossy())
1307 .collect::<Vec<_>>(),
1308 &[".zed.toml", "file1", "file3", "file4"]
1309 )
1310 });
1311 worktree_c.read_with(&cx_c, |tree, _| {
1312 assert_eq!(
1313 tree.paths()
1314 .map(|p| p.to_string_lossy())
1315 .collect::<Vec<_>>(),
1316 &[".zed.toml", "file1", "file3", "file4"]
1317 )
1318 });
1319 }
1320
1321 #[gpui::test]
1322 async fn test_buffer_conflict_after_save(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1323 cx_a.foreground().forbid_parking();
1324 let lang_registry = Arc::new(LanguageRegistry::new());
1325
1326 // Connect to a server as 2 clients.
1327 let mut server = TestServer::start().await;
1328 let client_a = server.create_client(&mut cx_a, "user_a").await;
1329 let client_b = server.create_client(&mut cx_b, "user_b").await;
1330
1331 // Share a local worktree as client A
1332 let fs = Arc::new(FakeFs::new());
1333 fs.insert_tree(
1334 "/dir",
1335 json!({
1336 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
1337 "a.txt": "a-contents",
1338 }),
1339 )
1340 .await;
1341
1342 let worktree_a = Worktree::open_local(
1343 client_a.clone(),
1344 client_a.user_store.clone(),
1345 "/dir".as_ref(),
1346 fs,
1347 lang_registry.clone(),
1348 &mut cx_a.to_async(),
1349 )
1350 .await
1351 .unwrap();
1352 worktree_a
1353 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1354 .await;
1355 let worktree_id = worktree_a
1356 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1357 .await
1358 .unwrap();
1359
1360 // Join that worktree as client B, and see that a guest has joined as client A.
1361 let worktree_b = Worktree::open_remote(
1362 client_b.clone(),
1363 worktree_id,
1364 lang_registry.clone(),
1365 client_b.user_store.clone(),
1366 &mut cx_b.to_async(),
1367 )
1368 .await
1369 .unwrap();
1370
1371 let buffer_b = worktree_b
1372 .update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx))
1373 .await
1374 .unwrap();
1375 let mtime = buffer_b.read_with(&cx_b, |buf, _| buf.file().unwrap().mtime());
1376
1377 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "world ", cx));
1378 buffer_b.read_with(&cx_b, |buf, _| {
1379 assert!(buf.is_dirty());
1380 assert!(!buf.has_conflict());
1381 });
1382
1383 buffer_b
1384 .update(&mut cx_b, |buf, cx| buf.save(cx))
1385 .unwrap()
1386 .await
1387 .unwrap();
1388 worktree_b
1389 .condition(&cx_b, |_, cx| {
1390 buffer_b.read(cx).file().unwrap().mtime() != mtime
1391 })
1392 .await;
1393 buffer_b.read_with(&cx_b, |buf, _| {
1394 assert!(!buf.is_dirty());
1395 assert!(!buf.has_conflict());
1396 });
1397
1398 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "hello ", cx));
1399 buffer_b.read_with(&cx_b, |buf, _| {
1400 assert!(buf.is_dirty());
1401 assert!(!buf.has_conflict());
1402 });
1403 }
1404
1405 #[gpui::test]
1406 async fn test_editing_while_guest_opens_buffer(
1407 mut cx_a: TestAppContext,
1408 mut cx_b: TestAppContext,
1409 ) {
1410 cx_a.foreground().forbid_parking();
1411 let lang_registry = Arc::new(LanguageRegistry::new());
1412
1413 // Connect to a server as 2 clients.
1414 let mut server = TestServer::start().await;
1415 let client_a = server.create_client(&mut cx_a, "user_a").await;
1416 let client_b = server.create_client(&mut cx_b, "user_b").await;
1417
1418 // Share a local worktree as client A
1419 let fs = Arc::new(FakeFs::new());
1420 fs.insert_tree(
1421 "/dir",
1422 json!({
1423 ".zed.toml": r#"collaborators = ["user_b"]"#,
1424 "a.txt": "a-contents",
1425 }),
1426 )
1427 .await;
1428 let worktree_a = Worktree::open_local(
1429 client_a.clone(),
1430 client_a.user_store.clone(),
1431 "/dir".as_ref(),
1432 fs,
1433 lang_registry.clone(),
1434 &mut cx_a.to_async(),
1435 )
1436 .await
1437 .unwrap();
1438 worktree_a
1439 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1440 .await;
1441 let worktree_id = worktree_a
1442 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1443 .await
1444 .unwrap();
1445
1446 // Join that worktree as client B, and see that a guest has joined as client A.
1447 let worktree_b = Worktree::open_remote(
1448 client_b.clone(),
1449 worktree_id,
1450 lang_registry.clone(),
1451 client_b.user_store.clone(),
1452 &mut cx_b.to_async(),
1453 )
1454 .await
1455 .unwrap();
1456
1457 let buffer_a = worktree_a
1458 .update(&mut cx_a, |tree, cx| tree.open_buffer("a.txt", cx))
1459 .await
1460 .unwrap();
1461 let buffer_b = cx_b
1462 .background()
1463 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx)));
1464
1465 task::yield_now().await;
1466 buffer_a.update(&mut cx_a, |buf, cx| buf.edit([0..0], "z", cx));
1467
1468 let text = buffer_a.read_with(&cx_a, |buf, _| buf.text());
1469 let buffer_b = buffer_b.await.unwrap();
1470 buffer_b.condition(&cx_b, |buf, _| buf.text() == text).await;
1471 }
1472
1473 #[gpui::test]
1474 async fn test_leaving_worktree_while_opening_buffer(
1475 mut cx_a: TestAppContext,
1476 mut cx_b: TestAppContext,
1477 ) {
1478 cx_a.foreground().forbid_parking();
1479 let lang_registry = Arc::new(LanguageRegistry::new());
1480
1481 // Connect to a server as 2 clients.
1482 let mut server = TestServer::start().await;
1483 let client_a = server.create_client(&mut cx_a, "user_a").await;
1484 let client_b = server.create_client(&mut cx_b, "user_b").await;
1485
1486 // Share a local worktree as client A
1487 let fs = Arc::new(FakeFs::new());
1488 fs.insert_tree(
1489 "/dir",
1490 json!({
1491 ".zed.toml": r#"collaborators = ["user_b"]"#,
1492 "a.txt": "a-contents",
1493 }),
1494 )
1495 .await;
1496 let worktree_a = Worktree::open_local(
1497 client_a.clone(),
1498 client_a.user_store.clone(),
1499 "/dir".as_ref(),
1500 fs,
1501 lang_registry.clone(),
1502 &mut cx_a.to_async(),
1503 )
1504 .await
1505 .unwrap();
1506 worktree_a
1507 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1508 .await;
1509 let worktree_id = worktree_a
1510 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1511 .await
1512 .unwrap();
1513
1514 // Join that worktree as client B, and see that a guest has joined as client A.
1515 let worktree_b = Worktree::open_remote(
1516 client_b.clone(),
1517 worktree_id,
1518 lang_registry.clone(),
1519 client_b.user_store.clone(),
1520 &mut cx_b.to_async(),
1521 )
1522 .await
1523 .unwrap();
1524 worktree_a
1525 .condition(&cx_a, |tree, _| tree.collaborators().len() == 1)
1526 .await;
1527
1528 let buffer_b = cx_b
1529 .background()
1530 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx)));
1531 cx_b.update(|_| drop(worktree_b));
1532 drop(buffer_b);
1533 worktree_a
1534 .condition(&cx_a, |tree, _| tree.collaborators().len() == 0)
1535 .await;
1536 }
1537
1538 #[gpui::test]
1539 async fn test_peer_disconnection(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1540 cx_a.foreground().forbid_parking();
1541 let lang_registry = Arc::new(LanguageRegistry::new());
1542
1543 // Connect to a server as 2 clients.
1544 let mut server = TestServer::start().await;
1545 let client_a = server.create_client(&mut cx_a, "user_a").await;
1546 let client_b = server.create_client(&mut cx_b, "user_b").await;
1547
1548 // Share a local worktree as client A
1549 let fs = Arc::new(FakeFs::new());
1550 fs.insert_tree(
1551 "/a",
1552 json!({
1553 ".zed.toml": r#"collaborators = ["user_b"]"#,
1554 "a.txt": "a-contents",
1555 "b.txt": "b-contents",
1556 }),
1557 )
1558 .await;
1559 let worktree_a = Worktree::open_local(
1560 client_a.clone(),
1561 client_a.user_store.clone(),
1562 "/a".as_ref(),
1563 fs,
1564 lang_registry.clone(),
1565 &mut cx_a.to_async(),
1566 )
1567 .await
1568 .unwrap();
1569 worktree_a
1570 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1571 .await;
1572 let worktree_id = worktree_a
1573 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1574 .await
1575 .unwrap();
1576
1577 // Join that worktree as client B, and see that a guest has joined as client A.
1578 let _worktree_b = Worktree::open_remote(
1579 client_b.clone(),
1580 worktree_id,
1581 lang_registry.clone(),
1582 client_b.user_store.clone(),
1583 &mut cx_b.to_async(),
1584 )
1585 .await
1586 .unwrap();
1587 worktree_a
1588 .condition(&cx_a, |tree, _| tree.collaborators().len() == 1)
1589 .await;
1590
1591 // Drop client B's connection and ensure client A observes client B leaving the worktree.
1592 client_b.disconnect(&cx_b.to_async()).await.unwrap();
1593 worktree_a
1594 .condition(&cx_a, |tree, _| tree.collaborators().len() == 0)
1595 .await;
1596 }
1597
1598 #[gpui::test]
1599 async fn test_collaborating_with_diagnostics(
1600 mut cx_a: TestAppContext,
1601 mut cx_b: TestAppContext,
1602 ) {
1603 cx_a.foreground().forbid_parking();
1604 let (language_server_config, mut fake_language_server) =
1605 LanguageServerConfig::fake(cx_a.background()).await;
1606 let mut lang_registry = LanguageRegistry::new();
1607 lang_registry.add(Arc::new(Language::new(
1608 LanguageConfig {
1609 name: "Rust".to_string(),
1610 path_suffixes: vec!["rs".to_string()],
1611 language_server: Some(language_server_config),
1612 ..Default::default()
1613 },
1614 Some(tree_sitter_rust::language()),
1615 )));
1616
1617 let lang_registry = Arc::new(lang_registry);
1618
1619 // Connect to a server as 2 clients.
1620 let mut server = TestServer::start().await;
1621 let client_a = server.create_client(&mut cx_a, "user_a").await;
1622 let client_b = server.create_client(&mut cx_b, "user_b").await;
1623
1624 // Share a local worktree as client A
1625 let fs = Arc::new(FakeFs::new());
1626 fs.insert_tree(
1627 "/a",
1628 json!({
1629 ".zed.toml": r#"collaborators = ["user_b"]"#,
1630 "a.rs": "let one = two",
1631 "other.rs": "",
1632 }),
1633 )
1634 .await;
1635 let worktree_a = Worktree::open_local(
1636 client_a.clone(),
1637 client_a.user_store.clone(),
1638 "/a".as_ref(),
1639 fs,
1640 lang_registry.clone(),
1641 &mut cx_a.to_async(),
1642 )
1643 .await
1644 .unwrap();
1645 worktree_a
1646 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1647 .await;
1648 let worktree_id = worktree_a
1649 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1650 .await
1651 .unwrap();
1652
1653 // Cause language server to start.
1654 let _ = cx_a
1655 .background()
1656 .spawn(worktree_a.update(&mut cx_a, |worktree, cx| {
1657 worktree.open_buffer("other.rs", cx)
1658 }))
1659 .await
1660 .unwrap();
1661
1662 // Simulate a language server reporting errors for a file.
1663 fake_language_server
1664 .notify::<lsp::notification::PublishDiagnostics>(lsp::PublishDiagnosticsParams {
1665 uri: lsp::Url::from_file_path("/a/a.rs").unwrap(),
1666 version: None,
1667 diagnostics: vec![
1668 lsp::Diagnostic {
1669 severity: Some(lsp::DiagnosticSeverity::ERROR),
1670 range: lsp::Range::new(lsp::Position::new(0, 4), lsp::Position::new(0, 7)),
1671 message: "message 1".to_string(),
1672 ..Default::default()
1673 },
1674 lsp::Diagnostic {
1675 severity: Some(lsp::DiagnosticSeverity::WARNING),
1676 range: lsp::Range::new(
1677 lsp::Position::new(0, 10),
1678 lsp::Position::new(0, 13),
1679 ),
1680 message: "message 2".to_string(),
1681 ..Default::default()
1682 },
1683 ],
1684 })
1685 .await;
1686
1687 // Join the worktree as client B.
1688 let worktree_b = Worktree::open_remote(
1689 client_b.clone(),
1690 worktree_id,
1691 lang_registry.clone(),
1692 client_b.user_store.clone(),
1693 &mut cx_b.to_async(),
1694 )
1695 .await
1696 .unwrap();
1697
1698 // Open the file with the errors.
1699 let buffer_b = cx_b
1700 .background()
1701 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.rs", cx)))
1702 .await
1703 .unwrap();
1704
1705 buffer_b.read_with(&cx_b, |buffer, _| {
1706 assert_eq!(
1707 buffer
1708 .diagnostics_in_range(0..buffer.len())
1709 .collect::<Vec<_>>(),
1710 &[
1711 (
1712 Point::new(0, 4)..Point::new(0, 7),
1713 &Diagnostic {
1714 group_id: 0,
1715 message: "message 1".to_string(),
1716 severity: lsp::DiagnosticSeverity::ERROR,
1717 is_primary: true
1718 }
1719 ),
1720 (
1721 Point::new(0, 10)..Point::new(0, 13),
1722 &Diagnostic {
1723 group_id: 1,
1724 severity: lsp::DiagnosticSeverity::WARNING,
1725 message: "message 2".to_string(),
1726 is_primary: true
1727 }
1728 )
1729 ]
1730 );
1731 });
1732 }
1733
1734 #[gpui::test]
1735 async fn test_basic_chat(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1736 cx_a.foreground().forbid_parking();
1737
1738 // Connect to a server as 2 clients.
1739 let mut server = TestServer::start().await;
1740 let client_a = server.create_client(&mut cx_a, "user_a").await;
1741 let client_b = server.create_client(&mut cx_b, "user_b").await;
1742
1743 // Create an org that includes these 2 users.
1744 let db = &server.app_state.db;
1745 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
1746 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
1747 .await
1748 .unwrap();
1749 db.add_org_member(org_id, client_b.current_user_id(&cx_b), false)
1750 .await
1751 .unwrap();
1752
1753 // Create a channel that includes all the users.
1754 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
1755 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
1756 .await
1757 .unwrap();
1758 db.add_channel_member(channel_id, client_b.current_user_id(&cx_b), false)
1759 .await
1760 .unwrap();
1761 db.create_channel_message(
1762 channel_id,
1763 client_b.current_user_id(&cx_b),
1764 "hello A, it's B.",
1765 OffsetDateTime::now_utc(),
1766 1,
1767 )
1768 .await
1769 .unwrap();
1770
1771 let channels_a = cx_a
1772 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
1773 channels_a
1774 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
1775 .await;
1776 channels_a.read_with(&cx_a, |list, _| {
1777 assert_eq!(
1778 list.available_channels().unwrap(),
1779 &[ChannelDetails {
1780 id: channel_id.to_proto(),
1781 name: "test-channel".to_string()
1782 }]
1783 )
1784 });
1785 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
1786 this.get_channel(channel_id.to_proto(), cx).unwrap()
1787 });
1788 channel_a.read_with(&cx_a, |channel, _| assert!(channel.messages().is_empty()));
1789 channel_a
1790 .condition(&cx_a, |channel, _| {
1791 channel_messages(channel)
1792 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1793 })
1794 .await;
1795
1796 let channels_b = cx_b
1797 .add_model(|cx| ChannelList::new(client_b.user_store.clone(), client_b.clone(), cx));
1798 channels_b
1799 .condition(&mut cx_b, |list, _| list.available_channels().is_some())
1800 .await;
1801 channels_b.read_with(&cx_b, |list, _| {
1802 assert_eq!(
1803 list.available_channels().unwrap(),
1804 &[ChannelDetails {
1805 id: channel_id.to_proto(),
1806 name: "test-channel".to_string()
1807 }]
1808 )
1809 });
1810
1811 let channel_b = channels_b.update(&mut cx_b, |this, cx| {
1812 this.get_channel(channel_id.to_proto(), cx).unwrap()
1813 });
1814 channel_b.read_with(&cx_b, |channel, _| assert!(channel.messages().is_empty()));
1815 channel_b
1816 .condition(&cx_b, |channel, _| {
1817 channel_messages(channel)
1818 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1819 })
1820 .await;
1821
1822 channel_a
1823 .update(&mut cx_a, |channel, cx| {
1824 channel
1825 .send_message("oh, hi B.".to_string(), cx)
1826 .unwrap()
1827 .detach();
1828 let task = channel.send_message("sup".to_string(), cx).unwrap();
1829 assert_eq!(
1830 channel_messages(channel),
1831 &[
1832 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1833 ("user_a".to_string(), "oh, hi B.".to_string(), true),
1834 ("user_a".to_string(), "sup".to_string(), true)
1835 ]
1836 );
1837 task
1838 })
1839 .await
1840 .unwrap();
1841
1842 channel_b
1843 .condition(&cx_b, |channel, _| {
1844 channel_messages(channel)
1845 == [
1846 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1847 ("user_a".to_string(), "oh, hi B.".to_string(), false),
1848 ("user_a".to_string(), "sup".to_string(), false),
1849 ]
1850 })
1851 .await;
1852
1853 assert_eq!(
1854 server
1855 .state()
1856 .await
1857 .channel(channel_id)
1858 .unwrap()
1859 .connection_ids
1860 .len(),
1861 2
1862 );
1863 cx_b.update(|_| drop(channel_b));
1864 server
1865 .condition(|state| state.channel(channel_id).unwrap().connection_ids.len() == 1)
1866 .await;
1867
1868 cx_a.update(|_| drop(channel_a));
1869 server
1870 .condition(|state| state.channel(channel_id).is_none())
1871 .await;
1872 }
1873
1874 #[gpui::test]
1875 async fn test_chat_message_validation(mut cx_a: TestAppContext) {
1876 cx_a.foreground().forbid_parking();
1877
1878 let mut server = TestServer::start().await;
1879 let client_a = server.create_client(&mut cx_a, "user_a").await;
1880
1881 let db = &server.app_state.db;
1882 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
1883 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
1884 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
1885 .await
1886 .unwrap();
1887 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
1888 .await
1889 .unwrap();
1890
1891 let channels_a = cx_a
1892 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
1893 channels_a
1894 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
1895 .await;
1896 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
1897 this.get_channel(channel_id.to_proto(), cx).unwrap()
1898 });
1899
1900 // Messages aren't allowed to be too long.
1901 channel_a
1902 .update(&mut cx_a, |channel, cx| {
1903 let long_body = "this is long.\n".repeat(1024);
1904 channel.send_message(long_body, cx).unwrap()
1905 })
1906 .await
1907 .unwrap_err();
1908
1909 // Messages aren't allowed to be blank.
1910 channel_a.update(&mut cx_a, |channel, cx| {
1911 channel.send_message(String::new(), cx).unwrap_err()
1912 });
1913
1914 // Leading and trailing whitespace are trimmed.
1915 channel_a
1916 .update(&mut cx_a, |channel, cx| {
1917 channel
1918 .send_message("\n surrounded by whitespace \n".to_string(), cx)
1919 .unwrap()
1920 })
1921 .await
1922 .unwrap();
1923 assert_eq!(
1924 db.get_channel_messages(channel_id, 10, None)
1925 .await
1926 .unwrap()
1927 .iter()
1928 .map(|m| &m.body)
1929 .collect::<Vec<_>>(),
1930 &["surrounded by whitespace"]
1931 );
1932 }
1933
1934 #[gpui::test]
1935 async fn test_chat_reconnection(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1936 cx_a.foreground().forbid_parking();
1937
1938 // Connect to a server as 2 clients.
1939 let mut server = TestServer::start().await;
1940 let client_a = server.create_client(&mut cx_a, "user_a").await;
1941 let client_b = server.create_client(&mut cx_b, "user_b").await;
1942 let mut status_b = client_b.status();
1943
1944 // Create an org that includes these 2 users.
1945 let db = &server.app_state.db;
1946 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
1947 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
1948 .await
1949 .unwrap();
1950 db.add_org_member(org_id, client_b.current_user_id(&cx_b), false)
1951 .await
1952 .unwrap();
1953
1954 // Create a channel that includes all the users.
1955 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
1956 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
1957 .await
1958 .unwrap();
1959 db.add_channel_member(channel_id, client_b.current_user_id(&cx_b), false)
1960 .await
1961 .unwrap();
1962 db.create_channel_message(
1963 channel_id,
1964 client_b.current_user_id(&cx_b),
1965 "hello A, it's B.",
1966 OffsetDateTime::now_utc(),
1967 2,
1968 )
1969 .await
1970 .unwrap();
1971
1972 let channels_a = cx_a
1973 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
1974 channels_a
1975 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
1976 .await;
1977
1978 channels_a.read_with(&cx_a, |list, _| {
1979 assert_eq!(
1980 list.available_channels().unwrap(),
1981 &[ChannelDetails {
1982 id: channel_id.to_proto(),
1983 name: "test-channel".to_string()
1984 }]
1985 )
1986 });
1987 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
1988 this.get_channel(channel_id.to_proto(), cx).unwrap()
1989 });
1990 channel_a.read_with(&cx_a, |channel, _| assert!(channel.messages().is_empty()));
1991 channel_a
1992 .condition(&cx_a, |channel, _| {
1993 channel_messages(channel)
1994 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1995 })
1996 .await;
1997
1998 let channels_b = cx_b
1999 .add_model(|cx| ChannelList::new(client_b.user_store.clone(), client_b.clone(), cx));
2000 channels_b
2001 .condition(&mut cx_b, |list, _| list.available_channels().is_some())
2002 .await;
2003 channels_b.read_with(&cx_b, |list, _| {
2004 assert_eq!(
2005 list.available_channels().unwrap(),
2006 &[ChannelDetails {
2007 id: channel_id.to_proto(),
2008 name: "test-channel".to_string()
2009 }]
2010 )
2011 });
2012
2013 let channel_b = channels_b.update(&mut cx_b, |this, cx| {
2014 this.get_channel(channel_id.to_proto(), cx).unwrap()
2015 });
2016 channel_b.read_with(&cx_b, |channel, _| assert!(channel.messages().is_empty()));
2017 channel_b
2018 .condition(&cx_b, |channel, _| {
2019 channel_messages(channel)
2020 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
2021 })
2022 .await;
2023
2024 // Disconnect client B, ensuring we can still access its cached channel data.
2025 server.forbid_connections();
2026 server.disconnect_client(client_b.current_user_id(&cx_b));
2027 while !matches!(
2028 status_b.recv().await,
2029 Some(client::Status::ReconnectionError { .. })
2030 ) {}
2031
2032 channels_b.read_with(&cx_b, |channels, _| {
2033 assert_eq!(
2034 channels.available_channels().unwrap(),
2035 [ChannelDetails {
2036 id: channel_id.to_proto(),
2037 name: "test-channel".to_string()
2038 }]
2039 )
2040 });
2041 channel_b.read_with(&cx_b, |channel, _| {
2042 assert_eq!(
2043 channel_messages(channel),
2044 [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
2045 )
2046 });
2047
2048 // Send a message from client B while it is disconnected.
2049 channel_b
2050 .update(&mut cx_b, |channel, cx| {
2051 let task = channel
2052 .send_message("can you see this?".to_string(), cx)
2053 .unwrap();
2054 assert_eq!(
2055 channel_messages(channel),
2056 &[
2057 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2058 ("user_b".to_string(), "can you see this?".to_string(), true)
2059 ]
2060 );
2061 task
2062 })
2063 .await
2064 .unwrap_err();
2065
2066 // Send a message from client A while B is disconnected.
2067 channel_a
2068 .update(&mut cx_a, |channel, cx| {
2069 channel
2070 .send_message("oh, hi B.".to_string(), cx)
2071 .unwrap()
2072 .detach();
2073 let task = channel.send_message("sup".to_string(), cx).unwrap();
2074 assert_eq!(
2075 channel_messages(channel),
2076 &[
2077 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2078 ("user_a".to_string(), "oh, hi B.".to_string(), true),
2079 ("user_a".to_string(), "sup".to_string(), true)
2080 ]
2081 );
2082 task
2083 })
2084 .await
2085 .unwrap();
2086
2087 // Give client B a chance to reconnect.
2088 server.allow_connections();
2089 cx_b.foreground().advance_clock(Duration::from_secs(10));
2090
2091 // Verify that B sees the new messages upon reconnection, as well as the message client B
2092 // sent while offline.
2093 channel_b
2094 .condition(&cx_b, |channel, _| {
2095 channel_messages(channel)
2096 == [
2097 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2098 ("user_a".to_string(), "oh, hi B.".to_string(), false),
2099 ("user_a".to_string(), "sup".to_string(), false),
2100 ("user_b".to_string(), "can you see this?".to_string(), false),
2101 ]
2102 })
2103 .await;
2104
2105 // Ensure client A and B can communicate normally after reconnection.
2106 channel_a
2107 .update(&mut cx_a, |channel, cx| {
2108 channel.send_message("you online?".to_string(), cx).unwrap()
2109 })
2110 .await
2111 .unwrap();
2112 channel_b
2113 .condition(&cx_b, |channel, _| {
2114 channel_messages(channel)
2115 == [
2116 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2117 ("user_a".to_string(), "oh, hi B.".to_string(), false),
2118 ("user_a".to_string(), "sup".to_string(), false),
2119 ("user_b".to_string(), "can you see this?".to_string(), false),
2120 ("user_a".to_string(), "you online?".to_string(), false),
2121 ]
2122 })
2123 .await;
2124
2125 channel_b
2126 .update(&mut cx_b, |channel, cx| {
2127 channel.send_message("yep".to_string(), cx).unwrap()
2128 })
2129 .await
2130 .unwrap();
2131 channel_a
2132 .condition(&cx_a, |channel, _| {
2133 channel_messages(channel)
2134 == [
2135 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2136 ("user_a".to_string(), "oh, hi B.".to_string(), false),
2137 ("user_a".to_string(), "sup".to_string(), false),
2138 ("user_b".to_string(), "can you see this?".to_string(), false),
2139 ("user_a".to_string(), "you online?".to_string(), false),
2140 ("user_b".to_string(), "yep".to_string(), false),
2141 ]
2142 })
2143 .await;
2144 }
2145
2146 #[gpui::test]
2147 async fn test_contacts(
2148 mut cx_a: TestAppContext,
2149 mut cx_b: TestAppContext,
2150 mut cx_c: TestAppContext,
2151 ) {
2152 cx_a.foreground().forbid_parking();
2153 let lang_registry = Arc::new(LanguageRegistry::new());
2154
2155 // Connect to a server as 3 clients.
2156 let mut server = TestServer::start().await;
2157 let client_a = server.create_client(&mut cx_a, "user_a").await;
2158 let client_b = server.create_client(&mut cx_b, "user_b").await;
2159 let client_c = server.create_client(&mut cx_c, "user_c").await;
2160
2161 let fs = Arc::new(FakeFs::new());
2162
2163 // Share a worktree as client A.
2164 fs.insert_tree(
2165 "/a",
2166 json!({
2167 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
2168 }),
2169 )
2170 .await;
2171
2172 let worktree_a = Worktree::open_local(
2173 client_a.clone(),
2174 client_a.user_store.clone(),
2175 "/a".as_ref(),
2176 fs.clone(),
2177 lang_registry.clone(),
2178 &mut cx_a.to_async(),
2179 )
2180 .await
2181 .unwrap();
2182
2183 client_a
2184 .user_store
2185 .condition(&cx_a, |user_store, _| {
2186 contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
2187 })
2188 .await;
2189 client_b
2190 .user_store
2191 .condition(&cx_b, |user_store, _| {
2192 contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
2193 })
2194 .await;
2195 client_c
2196 .user_store
2197 .condition(&cx_c, |user_store, _| {
2198 contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
2199 })
2200 .await;
2201
2202 let worktree_id = worktree_a
2203 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
2204 .await
2205 .unwrap();
2206
2207 let _worktree_b = Worktree::open_remote(
2208 client_b.clone(),
2209 worktree_id,
2210 lang_registry.clone(),
2211 client_b.user_store.clone(),
2212 &mut cx_b.to_async(),
2213 )
2214 .await
2215 .unwrap();
2216
2217 client_a
2218 .user_store
2219 .condition(&cx_a, |user_store, _| {
2220 contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2221 })
2222 .await;
2223 client_b
2224 .user_store
2225 .condition(&cx_b, |user_store, _| {
2226 contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2227 })
2228 .await;
2229 client_c
2230 .user_store
2231 .condition(&cx_c, |user_store, _| {
2232 contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2233 })
2234 .await;
2235
2236 worktree_a
2237 .condition(&cx_a, |worktree, _| {
2238 worktree.collaborators().contains_key(&client_b.peer_id)
2239 })
2240 .await;
2241
2242 cx_a.update(move |_| drop(worktree_a));
2243 client_a
2244 .user_store
2245 .condition(&cx_a, |user_store, _| contacts(user_store) == vec![])
2246 .await;
2247 client_b
2248 .user_store
2249 .condition(&cx_b, |user_store, _| contacts(user_store) == vec![])
2250 .await;
2251 client_c
2252 .user_store
2253 .condition(&cx_c, |user_store, _| contacts(user_store) == vec![])
2254 .await;
2255
2256 fn contacts(user_store: &UserStore) -> Vec<(&str, Vec<(&str, Vec<&str>)>)> {
2257 user_store
2258 .contacts()
2259 .iter()
2260 .map(|contact| {
2261 let worktrees = contact
2262 .worktrees
2263 .iter()
2264 .map(|w| {
2265 (
2266 w.root_name.as_str(),
2267 w.guests.iter().map(|p| p.github_login.as_str()).collect(),
2268 )
2269 })
2270 .collect();
2271 (contact.user.github_login.as_str(), worktrees)
2272 })
2273 .collect()
2274 }
2275 }
2276
2277 struct TestServer {
2278 peer: Arc<Peer>,
2279 app_state: Arc<AppState>,
2280 server: Arc<Server>,
2281 notifications: mpsc::Receiver<()>,
2282 connection_killers: Arc<Mutex<HashMap<UserId, watch::Sender<Option<()>>>>>,
2283 forbid_connections: Arc<AtomicBool>,
2284 _test_db: TestDb,
2285 }
2286
2287 impl TestServer {
2288 async fn start() -> Self {
2289 let test_db = TestDb::new();
2290 let app_state = Self::build_app_state(&test_db).await;
2291 let peer = Peer::new();
2292 let notifications = mpsc::channel(128);
2293 let server = Server::new(app_state.clone(), peer.clone(), Some(notifications.0));
2294 Self {
2295 peer,
2296 app_state,
2297 server,
2298 notifications: notifications.1,
2299 connection_killers: Default::default(),
2300 forbid_connections: Default::default(),
2301 _test_db: test_db,
2302 }
2303 }
2304
2305 async fn create_client(&mut self, cx: &mut TestAppContext, name: &str) -> TestClient {
2306 let user_id = self.app_state.db.create_user(name, false).await.unwrap();
2307 let client_name = name.to_string();
2308 let mut client = Client::new();
2309 let server = self.server.clone();
2310 let connection_killers = self.connection_killers.clone();
2311 let forbid_connections = self.forbid_connections.clone();
2312 let (connection_id_tx, mut connection_id_rx) = postage::mpsc::channel(16);
2313
2314 Arc::get_mut(&mut client)
2315 .unwrap()
2316 .override_authenticate(move |cx| {
2317 cx.spawn(|_| async move {
2318 let access_token = "the-token".to_string();
2319 Ok(Credentials {
2320 user_id: user_id.0 as u64,
2321 access_token,
2322 })
2323 })
2324 })
2325 .override_establish_connection(move |credentials, cx| {
2326 assert_eq!(credentials.user_id, user_id.0 as u64);
2327 assert_eq!(credentials.access_token, "the-token");
2328
2329 let server = server.clone();
2330 let connection_killers = connection_killers.clone();
2331 let forbid_connections = forbid_connections.clone();
2332 let client_name = client_name.clone();
2333 let connection_id_tx = connection_id_tx.clone();
2334 cx.spawn(move |cx| async move {
2335 if forbid_connections.load(SeqCst) {
2336 Err(EstablishConnectionError::other(anyhow!(
2337 "server is forbidding connections"
2338 )))
2339 } else {
2340 let (client_conn, server_conn, kill_conn) = Connection::in_memory();
2341 connection_killers.lock().insert(user_id, kill_conn);
2342 cx.background()
2343 .spawn(server.handle_connection(
2344 server_conn,
2345 client_name,
2346 user_id,
2347 Some(connection_id_tx),
2348 ))
2349 .detach();
2350 Ok(client_conn)
2351 }
2352 })
2353 });
2354
2355 let http = FakeHttpClient::new(|_| async move { Ok(surf::http::Response::new(404)) });
2356 client
2357 .authenticate_and_connect(&cx.to_async())
2358 .await
2359 .unwrap();
2360
2361 let peer_id = PeerId(connection_id_rx.recv().await.unwrap().0);
2362 let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http, cx));
2363 let mut authed_user =
2364 user_store.read_with(cx, |user_store, _| user_store.watch_current_user());
2365 while authed_user.recv().await.unwrap().is_none() {}
2366
2367 TestClient {
2368 client,
2369 peer_id,
2370 user_store,
2371 }
2372 }
2373
2374 fn disconnect_client(&self, user_id: UserId) {
2375 if let Some(mut kill_conn) = self.connection_killers.lock().remove(&user_id) {
2376 let _ = kill_conn.try_send(Some(()));
2377 }
2378 }
2379
2380 fn forbid_connections(&self) {
2381 self.forbid_connections.store(true, SeqCst);
2382 }
2383
2384 fn allow_connections(&self) {
2385 self.forbid_connections.store(false, SeqCst);
2386 }
2387
2388 async fn build_app_state(test_db: &TestDb) -> Arc<AppState> {
2389 let mut config = Config::default();
2390 config.session_secret = "a".repeat(32);
2391 config.database_url = test_db.url.clone();
2392 let github_client = github::AppClient::test();
2393 Arc::new(AppState {
2394 db: test_db.db().clone(),
2395 handlebars: Default::default(),
2396 auth_client: auth::build_client("", ""),
2397 repo_client: github::RepoClient::test(&github_client),
2398 github_client,
2399 config,
2400 })
2401 }
2402
2403 async fn state<'a>(&'a self) -> RwLockReadGuard<'a, Store> {
2404 self.server.store.read()
2405 }
2406
2407 async fn condition<F>(&mut self, mut predicate: F)
2408 where
2409 F: FnMut(&Store) -> bool,
2410 {
2411 async_std::future::timeout(Duration::from_millis(500), async {
2412 while !(predicate)(&*self.server.store.read()) {
2413 self.notifications.recv().await;
2414 }
2415 })
2416 .await
2417 .expect("condition timed out");
2418 }
2419 }
2420
2421 impl Drop for TestServer {
2422 fn drop(&mut self) {
2423 task::block_on(self.peer.reset());
2424 }
2425 }
2426
2427 struct TestClient {
2428 client: Arc<Client>,
2429 pub peer_id: PeerId,
2430 pub user_store: ModelHandle<UserStore>,
2431 }
2432
2433 impl Deref for TestClient {
2434 type Target = Arc<Client>;
2435
2436 fn deref(&self) -> &Self::Target {
2437 &self.client
2438 }
2439 }
2440
2441 impl TestClient {
2442 pub fn current_user_id(&self, cx: &TestAppContext) -> UserId {
2443 UserId::from_proto(
2444 self.user_store
2445 .read_with(cx, |user_store, _| user_store.current_user().unwrap().id),
2446 )
2447 }
2448 }
2449
2450 fn channel_messages(channel: &Channel) -> Vec<(String, String, bool)> {
2451 channel
2452 .messages()
2453 .cursor::<()>()
2454 .map(|m| {
2455 (
2456 m.sender.github_login.clone(),
2457 m.body.clone(),
2458 m.is_pending(),
2459 )
2460 })
2461 .collect()
2462 }
2463
2464 struct EmptyView;
2465
2466 impl gpui::Entity for EmptyView {
2467 type Event = ();
2468 }
2469
2470 impl gpui::View for EmptyView {
2471 fn ui_name() -> &'static str {
2472 "empty view"
2473 }
2474
2475 fn render(&mut self, _: &mut gpui::RenderContext<Self>) -> gpui::ElementBox {
2476 gpui::Element::boxed(gpui::elements::Empty)
2477 }
2478 }
2479}