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, MultiBuffer},
948 fs::{FakeFs, Fs as _},
949 language::{
950 tree_sitter_rust, Diagnostic, DiagnosticEntry, Language, LanguageConfig,
951 LanguageRegistry, 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 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 let editor_b = cx_b.add_view(window_b, |cx| {
1049 Editor::for_buffer(buffer_b, |cx| EditorSettings::test(cx), cx)
1050 });
1051 // TODO
1052 // // Create a selection set as client B and see that selection set as client A.
1053 // buffer_a
1054 // .condition(&cx_a, |buffer, _| buffer.selection_sets().count() == 1)
1055 // .await;
1056
1057 // Edit the buffer as client B and see that edit as client A.
1058 editor_b.update(&mut cx_b, |editor, cx| {
1059 editor.handle_input(&Input("ok, ".into()), cx)
1060 });
1061 buffer_a
1062 .condition(&cx_a, |buffer, _| buffer.text() == "ok, b-contents")
1063 .await;
1064
1065 // TODO
1066 // // Remove the selection set as client B, see those selections disappear as client A.
1067 // cx_b.update(move |_| drop(editor_b));
1068 // buffer_a
1069 // .condition(&cx_a, |buffer, _| buffer.selection_sets().count() == 0)
1070 // .await;
1071
1072 // Close the buffer as client A, see that the buffer is closed.
1073 cx_a.update(move |_| drop(buffer_a));
1074 worktree_a
1075 .condition(&cx_a, |tree, cx| !tree.has_open_buffer("b.txt", cx))
1076 .await;
1077
1078 // Dropping the worktree removes client B from client A's collaborators.
1079 cx_b.update(move |_| drop(worktree_b));
1080 worktree_a
1081 .condition(&cx_a, |tree, _| tree.collaborators().is_empty())
1082 .await;
1083 }
1084
1085 #[gpui::test]
1086 async fn test_unshare_worktree(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1087 cx_b.update(zed::contacts_panel::init);
1088 let mut app_state_a = cx_a.update(test_app_state);
1089 let mut app_state_b = cx_b.update(test_app_state);
1090
1091 // Connect to a server as 2 clients.
1092 let mut server = TestServer::start().await;
1093 let client_a = server.create_client(&mut cx_a, "user_a").await;
1094 let client_b = server.create_client(&mut cx_b, "user_b").await;
1095 Arc::get_mut(&mut app_state_a).unwrap().client = client_a.clone();
1096 Arc::get_mut(&mut app_state_a).unwrap().user_store = client_a.user_store.clone();
1097 Arc::get_mut(&mut app_state_b).unwrap().client = client_b.clone();
1098 Arc::get_mut(&mut app_state_b).unwrap().user_store = client_b.user_store.clone();
1099
1100 cx_a.foreground().forbid_parking();
1101
1102 // Share a local worktree as client A
1103 let fs = Arc::new(FakeFs::new());
1104 fs.insert_tree(
1105 "/a",
1106 json!({
1107 ".zed.toml": r#"collaborators = ["user_b"]"#,
1108 "a.txt": "a-contents",
1109 "b.txt": "b-contents",
1110 }),
1111 )
1112 .await;
1113 let worktree_a = Worktree::open_local(
1114 app_state_a.client.clone(),
1115 app_state_a.user_store.clone(),
1116 "/a".as_ref(),
1117 fs,
1118 app_state_a.languages.clone(),
1119 &mut cx_a.to_async(),
1120 )
1121 .await
1122 .unwrap();
1123 worktree_a
1124 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1125 .await;
1126
1127 let remote_worktree_id = worktree_a
1128 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1129 .await
1130 .unwrap();
1131
1132 let (window_b, workspace_b) =
1133 cx_b.add_window(|cx| Workspace::new(&app_state_b.as_ref().into(), cx));
1134 cx_b.update(|cx| {
1135 cx.dispatch_action(
1136 window_b,
1137 vec![workspace_b.id()],
1138 &JoinWorktree(remote_worktree_id),
1139 );
1140 });
1141 workspace_b
1142 .condition(&cx_b, |workspace, cx| workspace.worktrees(cx).len() == 1)
1143 .await;
1144
1145 let local_worktree_id_b = workspace_b.read_with(&cx_b, |workspace, cx| {
1146 let active_pane = workspace.active_pane().read(cx);
1147 assert!(active_pane.active_item().is_none());
1148 workspace.worktrees(cx).first().unwrap().id()
1149 });
1150 workspace_b
1151 .update(&mut cx_b, |workspace, cx| {
1152 workspace.open_entry(
1153 ProjectPath {
1154 worktree_id: local_worktree_id_b,
1155 path: Path::new("a.txt").into(),
1156 },
1157 cx,
1158 )
1159 })
1160 .unwrap()
1161 .await;
1162 workspace_b.read_with(&cx_b, |workspace, cx| {
1163 let active_pane = workspace.active_pane().read(cx);
1164 assert!(active_pane.active_item().is_some());
1165 });
1166
1167 worktree_a.update(&mut cx_a, |tree, cx| {
1168 tree.as_local_mut().unwrap().unshare(cx);
1169 });
1170 workspace_b
1171 .condition(&cx_b, |workspace, cx| workspace.worktrees(cx).len() == 0)
1172 .await;
1173 workspace_b.read_with(&cx_b, |workspace, cx| {
1174 let active_pane = workspace.active_pane().read(cx);
1175 assert!(active_pane.active_item().is_none());
1176 });
1177 }
1178
1179 #[gpui::test]
1180 async fn test_propagate_saves_and_fs_changes_in_shared_worktree(
1181 mut cx_a: TestAppContext,
1182 mut cx_b: TestAppContext,
1183 mut cx_c: TestAppContext,
1184 ) {
1185 cx_a.foreground().forbid_parking();
1186 let lang_registry = Arc::new(LanguageRegistry::new());
1187
1188 // Connect to a server as 3 clients.
1189 let mut server = TestServer::start().await;
1190 let client_a = server.create_client(&mut cx_a, "user_a").await;
1191 let client_b = server.create_client(&mut cx_b, "user_b").await;
1192 let client_c = server.create_client(&mut cx_c, "user_c").await;
1193
1194 let fs = Arc::new(FakeFs::new());
1195
1196 // Share a worktree as client A.
1197 fs.insert_tree(
1198 "/a",
1199 json!({
1200 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
1201 "file1": "",
1202 "file2": ""
1203 }),
1204 )
1205 .await;
1206
1207 let worktree_a = Worktree::open_local(
1208 client_a.clone(),
1209 client_a.user_store.clone(),
1210 "/a".as_ref(),
1211 fs.clone(),
1212 lang_registry.clone(),
1213 &mut cx_a.to_async(),
1214 )
1215 .await
1216 .unwrap();
1217 worktree_a
1218 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1219 .await;
1220 let worktree_id = worktree_a
1221 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1222 .await
1223 .unwrap();
1224
1225 // Join that worktree as clients B and C.
1226 let worktree_b = Worktree::open_remote(
1227 client_b.clone(),
1228 worktree_id,
1229 lang_registry.clone(),
1230 client_b.user_store.clone(),
1231 &mut cx_b.to_async(),
1232 )
1233 .await
1234 .unwrap();
1235 let worktree_c = Worktree::open_remote(
1236 client_c.clone(),
1237 worktree_id,
1238 lang_registry.clone(),
1239 client_c.user_store.clone(),
1240 &mut cx_c.to_async(),
1241 )
1242 .await
1243 .unwrap();
1244
1245 // Open and edit a buffer as both guests B and C.
1246 let buffer_b = worktree_b
1247 .update(&mut cx_b, |tree, cx| tree.open_buffer("file1", cx))
1248 .await
1249 .unwrap();
1250 let buffer_c = worktree_c
1251 .update(&mut cx_c, |tree, cx| tree.open_buffer("file1", cx))
1252 .await
1253 .unwrap();
1254 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "i-am-b, ", cx));
1255 buffer_c.update(&mut cx_c, |buf, cx| buf.edit([0..0], "i-am-c, ", cx));
1256
1257 // Open and edit that buffer as the host.
1258 let buffer_a = worktree_a
1259 .update(&mut cx_a, |tree, cx| tree.open_buffer("file1", cx))
1260 .await
1261 .unwrap();
1262
1263 buffer_a
1264 .condition(&mut cx_a, |buf, _| buf.text() == "i-am-c, i-am-b, ")
1265 .await;
1266 buffer_a.update(&mut cx_a, |buf, cx| {
1267 buf.edit([buf.len()..buf.len()], "i-am-a", cx)
1268 });
1269
1270 // Wait for edits to propagate
1271 buffer_a
1272 .condition(&mut cx_a, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1273 .await;
1274 buffer_b
1275 .condition(&mut cx_b, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1276 .await;
1277 buffer_c
1278 .condition(&mut cx_c, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1279 .await;
1280
1281 // Edit the buffer as the host and concurrently save as guest B.
1282 let save_b = buffer_b.update(&mut cx_b, |buf, cx| buf.save(cx).unwrap());
1283 buffer_a.update(&mut cx_a, |buf, cx| buf.edit([0..0], "hi-a, ", cx));
1284 save_b.await.unwrap();
1285 assert_eq!(
1286 fs.load("/a/file1".as_ref()).await.unwrap(),
1287 "hi-a, i-am-c, i-am-b, i-am-a"
1288 );
1289 buffer_a.read_with(&cx_a, |buf, _| assert!(!buf.is_dirty()));
1290 buffer_b.read_with(&cx_b, |buf, _| assert!(!buf.is_dirty()));
1291 buffer_c.condition(&cx_c, |buf, _| !buf.is_dirty()).await;
1292
1293 // Make changes on host's file system, see those changes on the guests.
1294 fs.rename("/a/file2".as_ref(), "/a/file3".as_ref())
1295 .await
1296 .unwrap();
1297 fs.insert_file(Path::new("/a/file4"), "4".into())
1298 .await
1299 .unwrap();
1300
1301 worktree_b
1302 .condition(&cx_b, |tree, _| tree.file_count() == 4)
1303 .await;
1304 worktree_c
1305 .condition(&cx_c, |tree, _| tree.file_count() == 4)
1306 .await;
1307 worktree_b.read_with(&cx_b, |tree, _| {
1308 assert_eq!(
1309 tree.paths()
1310 .map(|p| p.to_string_lossy())
1311 .collect::<Vec<_>>(),
1312 &[".zed.toml", "file1", "file3", "file4"]
1313 )
1314 });
1315 worktree_c.read_with(&cx_c, |tree, _| {
1316 assert_eq!(
1317 tree.paths()
1318 .map(|p| p.to_string_lossy())
1319 .collect::<Vec<_>>(),
1320 &[".zed.toml", "file1", "file3", "file4"]
1321 )
1322 });
1323 }
1324
1325 #[gpui::test]
1326 async fn test_buffer_conflict_after_save(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1327 cx_a.foreground().forbid_parking();
1328 let lang_registry = Arc::new(LanguageRegistry::new());
1329
1330 // Connect to a server as 2 clients.
1331 let mut server = TestServer::start().await;
1332 let client_a = server.create_client(&mut cx_a, "user_a").await;
1333 let client_b = server.create_client(&mut cx_b, "user_b").await;
1334
1335 // Share a local worktree as client A
1336 let fs = Arc::new(FakeFs::new());
1337 fs.insert_tree(
1338 "/dir",
1339 json!({
1340 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
1341 "a.txt": "a-contents",
1342 }),
1343 )
1344 .await;
1345
1346 let worktree_a = Worktree::open_local(
1347 client_a.clone(),
1348 client_a.user_store.clone(),
1349 "/dir".as_ref(),
1350 fs,
1351 lang_registry.clone(),
1352 &mut cx_a.to_async(),
1353 )
1354 .await
1355 .unwrap();
1356 worktree_a
1357 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1358 .await;
1359 let worktree_id = worktree_a
1360 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1361 .await
1362 .unwrap();
1363
1364 // Join that worktree as client B, and see that a guest has joined as client A.
1365 let worktree_b = Worktree::open_remote(
1366 client_b.clone(),
1367 worktree_id,
1368 lang_registry.clone(),
1369 client_b.user_store.clone(),
1370 &mut cx_b.to_async(),
1371 )
1372 .await
1373 .unwrap();
1374
1375 let buffer_b = worktree_b
1376 .update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx))
1377 .await
1378 .unwrap();
1379 let mtime = buffer_b.read_with(&cx_b, |buf, _| buf.file().unwrap().mtime());
1380
1381 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "world ", cx));
1382 buffer_b.read_with(&cx_b, |buf, _| {
1383 assert!(buf.is_dirty());
1384 assert!(!buf.has_conflict());
1385 });
1386
1387 buffer_b
1388 .update(&mut cx_b, |buf, cx| buf.save(cx))
1389 .unwrap()
1390 .await
1391 .unwrap();
1392 worktree_b
1393 .condition(&cx_b, |_, cx| {
1394 buffer_b.read(cx).file().unwrap().mtime() != mtime
1395 })
1396 .await;
1397 buffer_b.read_with(&cx_b, |buf, _| {
1398 assert!(!buf.is_dirty());
1399 assert!(!buf.has_conflict());
1400 });
1401
1402 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "hello ", cx));
1403 buffer_b.read_with(&cx_b, |buf, _| {
1404 assert!(buf.is_dirty());
1405 assert!(!buf.has_conflict());
1406 });
1407 }
1408
1409 #[gpui::test]
1410 async fn test_editing_while_guest_opens_buffer(
1411 mut cx_a: TestAppContext,
1412 mut cx_b: TestAppContext,
1413 ) {
1414 cx_a.foreground().forbid_parking();
1415 let lang_registry = Arc::new(LanguageRegistry::new());
1416
1417 // Connect to a server as 2 clients.
1418 let mut server = TestServer::start().await;
1419 let client_a = server.create_client(&mut cx_a, "user_a").await;
1420 let client_b = server.create_client(&mut cx_b, "user_b").await;
1421
1422 // Share a local worktree as client A
1423 let fs = Arc::new(FakeFs::new());
1424 fs.insert_tree(
1425 "/dir",
1426 json!({
1427 ".zed.toml": r#"collaborators = ["user_b"]"#,
1428 "a.txt": "a-contents",
1429 }),
1430 )
1431 .await;
1432 let worktree_a = Worktree::open_local(
1433 client_a.clone(),
1434 client_a.user_store.clone(),
1435 "/dir".as_ref(),
1436 fs,
1437 lang_registry.clone(),
1438 &mut cx_a.to_async(),
1439 )
1440 .await
1441 .unwrap();
1442 worktree_a
1443 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1444 .await;
1445 let worktree_id = worktree_a
1446 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1447 .await
1448 .unwrap();
1449
1450 // Join that worktree as client B, and see that a guest has joined as client A.
1451 let worktree_b = Worktree::open_remote(
1452 client_b.clone(),
1453 worktree_id,
1454 lang_registry.clone(),
1455 client_b.user_store.clone(),
1456 &mut cx_b.to_async(),
1457 )
1458 .await
1459 .unwrap();
1460
1461 let buffer_a = worktree_a
1462 .update(&mut cx_a, |tree, cx| tree.open_buffer("a.txt", cx))
1463 .await
1464 .unwrap();
1465 let buffer_b = cx_b
1466 .background()
1467 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx)));
1468
1469 task::yield_now().await;
1470 buffer_a.update(&mut cx_a, |buf, cx| buf.edit([0..0], "z", cx));
1471
1472 let text = buffer_a.read_with(&cx_a, |buf, _| buf.text());
1473 let buffer_b = buffer_b.await.unwrap();
1474 buffer_b.condition(&cx_b, |buf, _| buf.text() == text).await;
1475 }
1476
1477 #[gpui::test]
1478 async fn test_leaving_worktree_while_opening_buffer(
1479 mut cx_a: TestAppContext,
1480 mut cx_b: TestAppContext,
1481 ) {
1482 cx_a.foreground().forbid_parking();
1483 let lang_registry = Arc::new(LanguageRegistry::new());
1484
1485 // Connect to a server as 2 clients.
1486 let mut server = TestServer::start().await;
1487 let client_a = server.create_client(&mut cx_a, "user_a").await;
1488 let client_b = server.create_client(&mut cx_b, "user_b").await;
1489
1490 // Share a local worktree as client A
1491 let fs = Arc::new(FakeFs::new());
1492 fs.insert_tree(
1493 "/dir",
1494 json!({
1495 ".zed.toml": r#"collaborators = ["user_b"]"#,
1496 "a.txt": "a-contents",
1497 }),
1498 )
1499 .await;
1500 let worktree_a = Worktree::open_local(
1501 client_a.clone(),
1502 client_a.user_store.clone(),
1503 "/dir".as_ref(),
1504 fs,
1505 lang_registry.clone(),
1506 &mut cx_a.to_async(),
1507 )
1508 .await
1509 .unwrap();
1510 worktree_a
1511 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1512 .await;
1513 let worktree_id = worktree_a
1514 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1515 .await
1516 .unwrap();
1517
1518 // Join that worktree as client B, and see that a guest has joined as client A.
1519 let worktree_b = Worktree::open_remote(
1520 client_b.clone(),
1521 worktree_id,
1522 lang_registry.clone(),
1523 client_b.user_store.clone(),
1524 &mut cx_b.to_async(),
1525 )
1526 .await
1527 .unwrap();
1528 worktree_a
1529 .condition(&cx_a, |tree, _| tree.collaborators().len() == 1)
1530 .await;
1531
1532 let buffer_b = cx_b
1533 .background()
1534 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx)));
1535 cx_b.update(|_| drop(worktree_b));
1536 drop(buffer_b);
1537 worktree_a
1538 .condition(&cx_a, |tree, _| tree.collaborators().len() == 0)
1539 .await;
1540 }
1541
1542 #[gpui::test]
1543 async fn test_peer_disconnection(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1544 cx_a.foreground().forbid_parking();
1545 let lang_registry = Arc::new(LanguageRegistry::new());
1546
1547 // Connect to a server as 2 clients.
1548 let mut server = TestServer::start().await;
1549 let client_a = server.create_client(&mut cx_a, "user_a").await;
1550 let client_b = server.create_client(&mut cx_b, "user_b").await;
1551
1552 // Share a local worktree as client A
1553 let fs = Arc::new(FakeFs::new());
1554 fs.insert_tree(
1555 "/a",
1556 json!({
1557 ".zed.toml": r#"collaborators = ["user_b"]"#,
1558 "a.txt": "a-contents",
1559 "b.txt": "b-contents",
1560 }),
1561 )
1562 .await;
1563 let worktree_a = Worktree::open_local(
1564 client_a.clone(),
1565 client_a.user_store.clone(),
1566 "/a".as_ref(),
1567 fs,
1568 lang_registry.clone(),
1569 &mut cx_a.to_async(),
1570 )
1571 .await
1572 .unwrap();
1573 worktree_a
1574 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1575 .await;
1576 let worktree_id = worktree_a
1577 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1578 .await
1579 .unwrap();
1580
1581 // Join that worktree as client B, and see that a guest has joined as client A.
1582 let _worktree_b = Worktree::open_remote(
1583 client_b.clone(),
1584 worktree_id,
1585 lang_registry.clone(),
1586 client_b.user_store.clone(),
1587 &mut cx_b.to_async(),
1588 )
1589 .await
1590 .unwrap();
1591 worktree_a
1592 .condition(&cx_a, |tree, _| tree.collaborators().len() == 1)
1593 .await;
1594
1595 // Drop client B's connection and ensure client A observes client B leaving the worktree.
1596 client_b.disconnect(&cx_b.to_async()).await.unwrap();
1597 worktree_a
1598 .condition(&cx_a, |tree, _| tree.collaborators().len() == 0)
1599 .await;
1600 }
1601
1602 #[gpui::test]
1603 async fn test_collaborating_with_diagnostics(
1604 mut cx_a: TestAppContext,
1605 mut cx_b: TestAppContext,
1606 ) {
1607 cx_a.foreground().forbid_parking();
1608 let (language_server_config, mut fake_language_server) =
1609 LanguageServerConfig::fake(cx_a.background()).await;
1610 let mut lang_registry = LanguageRegistry::new();
1611 lang_registry.add(Arc::new(Language::new(
1612 LanguageConfig {
1613 name: "Rust".to_string(),
1614 path_suffixes: vec!["rs".to_string()],
1615 language_server: Some(language_server_config),
1616 ..Default::default()
1617 },
1618 Some(tree_sitter_rust::language()),
1619 )));
1620
1621 let lang_registry = Arc::new(lang_registry);
1622
1623 // Connect to a server as 2 clients.
1624 let mut server = TestServer::start().await;
1625 let client_a = server.create_client(&mut cx_a, "user_a").await;
1626 let client_b = server.create_client(&mut cx_b, "user_b").await;
1627
1628 // Share a local worktree as client A
1629 let fs = Arc::new(FakeFs::new());
1630 fs.insert_tree(
1631 "/a",
1632 json!({
1633 ".zed.toml": r#"collaborators = ["user_b"]"#,
1634 "a.rs": "let one = two",
1635 "other.rs": "",
1636 }),
1637 )
1638 .await;
1639 let worktree_a = Worktree::open_local(
1640 client_a.clone(),
1641 client_a.user_store.clone(),
1642 "/a".as_ref(),
1643 fs,
1644 lang_registry.clone(),
1645 &mut cx_a.to_async(),
1646 )
1647 .await
1648 .unwrap();
1649 worktree_a
1650 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1651 .await;
1652 let worktree_id = worktree_a
1653 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
1654 .await
1655 .unwrap();
1656
1657 // Cause language server to start.
1658 let _ = cx_a
1659 .background()
1660 .spawn(worktree_a.update(&mut cx_a, |worktree, cx| {
1661 worktree.open_buffer("other.rs", cx)
1662 }))
1663 .await
1664 .unwrap();
1665
1666 // Simulate a language server reporting errors for a file.
1667 fake_language_server
1668 .notify::<lsp::notification::PublishDiagnostics>(lsp::PublishDiagnosticsParams {
1669 uri: lsp::Url::from_file_path("/a/a.rs").unwrap(),
1670 version: None,
1671 diagnostics: vec![
1672 lsp::Diagnostic {
1673 severity: Some(lsp::DiagnosticSeverity::ERROR),
1674 range: lsp::Range::new(lsp::Position::new(0, 4), lsp::Position::new(0, 7)),
1675 message: "message 1".to_string(),
1676 ..Default::default()
1677 },
1678 lsp::Diagnostic {
1679 severity: Some(lsp::DiagnosticSeverity::WARNING),
1680 range: lsp::Range::new(
1681 lsp::Position::new(0, 10),
1682 lsp::Position::new(0, 13),
1683 ),
1684 message: "message 2".to_string(),
1685 ..Default::default()
1686 },
1687 ],
1688 })
1689 .await;
1690
1691 // Join the worktree as client B.
1692 let worktree_b = Worktree::open_remote(
1693 client_b.clone(),
1694 worktree_id,
1695 lang_registry.clone(),
1696 client_b.user_store.clone(),
1697 &mut cx_b.to_async(),
1698 )
1699 .await
1700 .unwrap();
1701
1702 // Open the file with the errors.
1703 let buffer_b = cx_b
1704 .background()
1705 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.rs", cx)))
1706 .await
1707 .unwrap();
1708
1709 buffer_b.read_with(&cx_b, |buffer, _| {
1710 assert_eq!(
1711 buffer
1712 .snapshot()
1713 .diagnostics_in_range::<_, Point>(0..buffer.len())
1714 .collect::<Vec<_>>(),
1715 &[
1716 DiagnosticEntry {
1717 range: Point::new(0, 4)..Point::new(0, 7),
1718 diagnostic: Diagnostic {
1719 group_id: 0,
1720 message: "message 1".to_string(),
1721 severity: lsp::DiagnosticSeverity::ERROR,
1722 is_primary: true
1723 }
1724 },
1725 DiagnosticEntry {
1726 range: Point::new(0, 10)..Point::new(0, 13),
1727 diagnostic: Diagnostic {
1728 group_id: 1,
1729 severity: lsp::DiagnosticSeverity::WARNING,
1730 message: "message 2".to_string(),
1731 is_primary: true
1732 }
1733 }
1734 ]
1735 );
1736 });
1737 }
1738
1739 #[gpui::test]
1740 async fn test_basic_chat(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1741 cx_a.foreground().forbid_parking();
1742
1743 // Connect to a server as 2 clients.
1744 let mut server = TestServer::start().await;
1745 let client_a = server.create_client(&mut cx_a, "user_a").await;
1746 let client_b = server.create_client(&mut cx_b, "user_b").await;
1747
1748 // Create an org that includes these 2 users.
1749 let db = &server.app_state.db;
1750 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
1751 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
1752 .await
1753 .unwrap();
1754 db.add_org_member(org_id, client_b.current_user_id(&cx_b), false)
1755 .await
1756 .unwrap();
1757
1758 // Create a channel that includes all the users.
1759 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
1760 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
1761 .await
1762 .unwrap();
1763 db.add_channel_member(channel_id, client_b.current_user_id(&cx_b), false)
1764 .await
1765 .unwrap();
1766 db.create_channel_message(
1767 channel_id,
1768 client_b.current_user_id(&cx_b),
1769 "hello A, it's B.",
1770 OffsetDateTime::now_utc(),
1771 1,
1772 )
1773 .await
1774 .unwrap();
1775
1776 let channels_a = cx_a
1777 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
1778 channels_a
1779 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
1780 .await;
1781 channels_a.read_with(&cx_a, |list, _| {
1782 assert_eq!(
1783 list.available_channels().unwrap(),
1784 &[ChannelDetails {
1785 id: channel_id.to_proto(),
1786 name: "test-channel".to_string()
1787 }]
1788 )
1789 });
1790 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
1791 this.get_channel(channel_id.to_proto(), cx).unwrap()
1792 });
1793 channel_a.read_with(&cx_a, |channel, _| assert!(channel.messages().is_empty()));
1794 channel_a
1795 .condition(&cx_a, |channel, _| {
1796 channel_messages(channel)
1797 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1798 })
1799 .await;
1800
1801 let channels_b = cx_b
1802 .add_model(|cx| ChannelList::new(client_b.user_store.clone(), client_b.clone(), cx));
1803 channels_b
1804 .condition(&mut cx_b, |list, _| list.available_channels().is_some())
1805 .await;
1806 channels_b.read_with(&cx_b, |list, _| {
1807 assert_eq!(
1808 list.available_channels().unwrap(),
1809 &[ChannelDetails {
1810 id: channel_id.to_proto(),
1811 name: "test-channel".to_string()
1812 }]
1813 )
1814 });
1815
1816 let channel_b = channels_b.update(&mut cx_b, |this, cx| {
1817 this.get_channel(channel_id.to_proto(), cx).unwrap()
1818 });
1819 channel_b.read_with(&cx_b, |channel, _| assert!(channel.messages().is_empty()));
1820 channel_b
1821 .condition(&cx_b, |channel, _| {
1822 channel_messages(channel)
1823 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1824 })
1825 .await;
1826
1827 channel_a
1828 .update(&mut cx_a, |channel, cx| {
1829 channel
1830 .send_message("oh, hi B.".to_string(), cx)
1831 .unwrap()
1832 .detach();
1833 let task = channel.send_message("sup".to_string(), cx).unwrap();
1834 assert_eq!(
1835 channel_messages(channel),
1836 &[
1837 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1838 ("user_a".to_string(), "oh, hi B.".to_string(), true),
1839 ("user_a".to_string(), "sup".to_string(), true)
1840 ]
1841 );
1842 task
1843 })
1844 .await
1845 .unwrap();
1846
1847 channel_b
1848 .condition(&cx_b, |channel, _| {
1849 channel_messages(channel)
1850 == [
1851 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1852 ("user_a".to_string(), "oh, hi B.".to_string(), false),
1853 ("user_a".to_string(), "sup".to_string(), false),
1854 ]
1855 })
1856 .await;
1857
1858 assert_eq!(
1859 server
1860 .state()
1861 .await
1862 .channel(channel_id)
1863 .unwrap()
1864 .connection_ids
1865 .len(),
1866 2
1867 );
1868 cx_b.update(|_| drop(channel_b));
1869 server
1870 .condition(|state| state.channel(channel_id).unwrap().connection_ids.len() == 1)
1871 .await;
1872
1873 cx_a.update(|_| drop(channel_a));
1874 server
1875 .condition(|state| state.channel(channel_id).is_none())
1876 .await;
1877 }
1878
1879 #[gpui::test]
1880 async fn test_chat_message_validation(mut cx_a: TestAppContext) {
1881 cx_a.foreground().forbid_parking();
1882
1883 let mut server = TestServer::start().await;
1884 let client_a = server.create_client(&mut cx_a, "user_a").await;
1885
1886 let db = &server.app_state.db;
1887 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
1888 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
1889 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
1890 .await
1891 .unwrap();
1892 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
1893 .await
1894 .unwrap();
1895
1896 let channels_a = cx_a
1897 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
1898 channels_a
1899 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
1900 .await;
1901 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
1902 this.get_channel(channel_id.to_proto(), cx).unwrap()
1903 });
1904
1905 // Messages aren't allowed to be too long.
1906 channel_a
1907 .update(&mut cx_a, |channel, cx| {
1908 let long_body = "this is long.\n".repeat(1024);
1909 channel.send_message(long_body, cx).unwrap()
1910 })
1911 .await
1912 .unwrap_err();
1913
1914 // Messages aren't allowed to be blank.
1915 channel_a.update(&mut cx_a, |channel, cx| {
1916 channel.send_message(String::new(), cx).unwrap_err()
1917 });
1918
1919 // Leading and trailing whitespace are trimmed.
1920 channel_a
1921 .update(&mut cx_a, |channel, cx| {
1922 channel
1923 .send_message("\n surrounded by whitespace \n".to_string(), cx)
1924 .unwrap()
1925 })
1926 .await
1927 .unwrap();
1928 assert_eq!(
1929 db.get_channel_messages(channel_id, 10, None)
1930 .await
1931 .unwrap()
1932 .iter()
1933 .map(|m| &m.body)
1934 .collect::<Vec<_>>(),
1935 &["surrounded by whitespace"]
1936 );
1937 }
1938
1939 #[gpui::test]
1940 async fn test_chat_reconnection(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1941 cx_a.foreground().forbid_parking();
1942
1943 // Connect to a server as 2 clients.
1944 let mut server = TestServer::start().await;
1945 let client_a = server.create_client(&mut cx_a, "user_a").await;
1946 let client_b = server.create_client(&mut cx_b, "user_b").await;
1947 let mut status_b = client_b.status();
1948
1949 // Create an org that includes these 2 users.
1950 let db = &server.app_state.db;
1951 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
1952 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
1953 .await
1954 .unwrap();
1955 db.add_org_member(org_id, client_b.current_user_id(&cx_b), false)
1956 .await
1957 .unwrap();
1958
1959 // Create a channel that includes all the users.
1960 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
1961 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
1962 .await
1963 .unwrap();
1964 db.add_channel_member(channel_id, client_b.current_user_id(&cx_b), false)
1965 .await
1966 .unwrap();
1967 db.create_channel_message(
1968 channel_id,
1969 client_b.current_user_id(&cx_b),
1970 "hello A, it's B.",
1971 OffsetDateTime::now_utc(),
1972 2,
1973 )
1974 .await
1975 .unwrap();
1976
1977 let channels_a = cx_a
1978 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
1979 channels_a
1980 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
1981 .await;
1982
1983 channels_a.read_with(&cx_a, |list, _| {
1984 assert_eq!(
1985 list.available_channels().unwrap(),
1986 &[ChannelDetails {
1987 id: channel_id.to_proto(),
1988 name: "test-channel".to_string()
1989 }]
1990 )
1991 });
1992 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
1993 this.get_channel(channel_id.to_proto(), cx).unwrap()
1994 });
1995 channel_a.read_with(&cx_a, |channel, _| assert!(channel.messages().is_empty()));
1996 channel_a
1997 .condition(&cx_a, |channel, _| {
1998 channel_messages(channel)
1999 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
2000 })
2001 .await;
2002
2003 let channels_b = cx_b
2004 .add_model(|cx| ChannelList::new(client_b.user_store.clone(), client_b.clone(), cx));
2005 channels_b
2006 .condition(&mut cx_b, |list, _| list.available_channels().is_some())
2007 .await;
2008 channels_b.read_with(&cx_b, |list, _| {
2009 assert_eq!(
2010 list.available_channels().unwrap(),
2011 &[ChannelDetails {
2012 id: channel_id.to_proto(),
2013 name: "test-channel".to_string()
2014 }]
2015 )
2016 });
2017
2018 let channel_b = channels_b.update(&mut cx_b, |this, cx| {
2019 this.get_channel(channel_id.to_proto(), cx).unwrap()
2020 });
2021 channel_b.read_with(&cx_b, |channel, _| assert!(channel.messages().is_empty()));
2022 channel_b
2023 .condition(&cx_b, |channel, _| {
2024 channel_messages(channel)
2025 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
2026 })
2027 .await;
2028
2029 // Disconnect client B, ensuring we can still access its cached channel data.
2030 server.forbid_connections();
2031 server.disconnect_client(client_b.current_user_id(&cx_b));
2032 while !matches!(
2033 status_b.recv().await,
2034 Some(client::Status::ReconnectionError { .. })
2035 ) {}
2036
2037 channels_b.read_with(&cx_b, |channels, _| {
2038 assert_eq!(
2039 channels.available_channels().unwrap(),
2040 [ChannelDetails {
2041 id: channel_id.to_proto(),
2042 name: "test-channel".to_string()
2043 }]
2044 )
2045 });
2046 channel_b.read_with(&cx_b, |channel, _| {
2047 assert_eq!(
2048 channel_messages(channel),
2049 [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
2050 )
2051 });
2052
2053 // Send a message from client B while it is disconnected.
2054 channel_b
2055 .update(&mut cx_b, |channel, cx| {
2056 let task = channel
2057 .send_message("can you see this?".to_string(), cx)
2058 .unwrap();
2059 assert_eq!(
2060 channel_messages(channel),
2061 &[
2062 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2063 ("user_b".to_string(), "can you see this?".to_string(), true)
2064 ]
2065 );
2066 task
2067 })
2068 .await
2069 .unwrap_err();
2070
2071 // Send a message from client A while B is disconnected.
2072 channel_a
2073 .update(&mut cx_a, |channel, cx| {
2074 channel
2075 .send_message("oh, hi B.".to_string(), cx)
2076 .unwrap()
2077 .detach();
2078 let task = channel.send_message("sup".to_string(), cx).unwrap();
2079 assert_eq!(
2080 channel_messages(channel),
2081 &[
2082 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2083 ("user_a".to_string(), "oh, hi B.".to_string(), true),
2084 ("user_a".to_string(), "sup".to_string(), true)
2085 ]
2086 );
2087 task
2088 })
2089 .await
2090 .unwrap();
2091
2092 // Give client B a chance to reconnect.
2093 server.allow_connections();
2094 cx_b.foreground().advance_clock(Duration::from_secs(10));
2095
2096 // Verify that B sees the new messages upon reconnection, as well as the message client B
2097 // sent while offline.
2098 channel_b
2099 .condition(&cx_b, |channel, _| {
2100 channel_messages(channel)
2101 == [
2102 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2103 ("user_a".to_string(), "oh, hi B.".to_string(), false),
2104 ("user_a".to_string(), "sup".to_string(), false),
2105 ("user_b".to_string(), "can you see this?".to_string(), false),
2106 ]
2107 })
2108 .await;
2109
2110 // Ensure client A and B can communicate normally after reconnection.
2111 channel_a
2112 .update(&mut cx_a, |channel, cx| {
2113 channel.send_message("you online?".to_string(), cx).unwrap()
2114 })
2115 .await
2116 .unwrap();
2117 channel_b
2118 .condition(&cx_b, |channel, _| {
2119 channel_messages(channel)
2120 == [
2121 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2122 ("user_a".to_string(), "oh, hi B.".to_string(), false),
2123 ("user_a".to_string(), "sup".to_string(), false),
2124 ("user_b".to_string(), "can you see this?".to_string(), false),
2125 ("user_a".to_string(), "you online?".to_string(), false),
2126 ]
2127 })
2128 .await;
2129
2130 channel_b
2131 .update(&mut cx_b, |channel, cx| {
2132 channel.send_message("yep".to_string(), cx).unwrap()
2133 })
2134 .await
2135 .unwrap();
2136 channel_a
2137 .condition(&cx_a, |channel, _| {
2138 channel_messages(channel)
2139 == [
2140 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2141 ("user_a".to_string(), "oh, hi B.".to_string(), false),
2142 ("user_a".to_string(), "sup".to_string(), false),
2143 ("user_b".to_string(), "can you see this?".to_string(), false),
2144 ("user_a".to_string(), "you online?".to_string(), false),
2145 ("user_b".to_string(), "yep".to_string(), false),
2146 ]
2147 })
2148 .await;
2149 }
2150
2151 #[gpui::test]
2152 async fn test_contacts(
2153 mut cx_a: TestAppContext,
2154 mut cx_b: TestAppContext,
2155 mut cx_c: TestAppContext,
2156 ) {
2157 cx_a.foreground().forbid_parking();
2158 let lang_registry = Arc::new(LanguageRegistry::new());
2159
2160 // Connect to a server as 3 clients.
2161 let mut server = TestServer::start().await;
2162 let client_a = server.create_client(&mut cx_a, "user_a").await;
2163 let client_b = server.create_client(&mut cx_b, "user_b").await;
2164 let client_c = server.create_client(&mut cx_c, "user_c").await;
2165
2166 let fs = Arc::new(FakeFs::new());
2167
2168 // Share a worktree as client A.
2169 fs.insert_tree(
2170 "/a",
2171 json!({
2172 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
2173 }),
2174 )
2175 .await;
2176
2177 let worktree_a = Worktree::open_local(
2178 client_a.clone(),
2179 client_a.user_store.clone(),
2180 "/a".as_ref(),
2181 fs.clone(),
2182 lang_registry.clone(),
2183 &mut cx_a.to_async(),
2184 )
2185 .await
2186 .unwrap();
2187
2188 client_a
2189 .user_store
2190 .condition(&cx_a, |user_store, _| {
2191 contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
2192 })
2193 .await;
2194 client_b
2195 .user_store
2196 .condition(&cx_b, |user_store, _| {
2197 contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
2198 })
2199 .await;
2200 client_c
2201 .user_store
2202 .condition(&cx_c, |user_store, _| {
2203 contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
2204 })
2205 .await;
2206
2207 let worktree_id = worktree_a
2208 .update(&mut cx_a, |tree, cx| tree.as_local_mut().unwrap().share(cx))
2209 .await
2210 .unwrap();
2211
2212 let _worktree_b = Worktree::open_remote(
2213 client_b.clone(),
2214 worktree_id,
2215 lang_registry.clone(),
2216 client_b.user_store.clone(),
2217 &mut cx_b.to_async(),
2218 )
2219 .await
2220 .unwrap();
2221
2222 client_a
2223 .user_store
2224 .condition(&cx_a, |user_store, _| {
2225 contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2226 })
2227 .await;
2228 client_b
2229 .user_store
2230 .condition(&cx_b, |user_store, _| {
2231 contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2232 })
2233 .await;
2234 client_c
2235 .user_store
2236 .condition(&cx_c, |user_store, _| {
2237 contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2238 })
2239 .await;
2240
2241 worktree_a
2242 .condition(&cx_a, |worktree, _| {
2243 worktree.collaborators().contains_key(&client_b.peer_id)
2244 })
2245 .await;
2246
2247 cx_a.update(move |_| drop(worktree_a));
2248 client_a
2249 .user_store
2250 .condition(&cx_a, |user_store, _| contacts(user_store) == vec![])
2251 .await;
2252 client_b
2253 .user_store
2254 .condition(&cx_b, |user_store, _| contacts(user_store) == vec![])
2255 .await;
2256 client_c
2257 .user_store
2258 .condition(&cx_c, |user_store, _| contacts(user_store) == vec![])
2259 .await;
2260
2261 fn contacts(user_store: &UserStore) -> Vec<(&str, Vec<(&str, Vec<&str>)>)> {
2262 user_store
2263 .contacts()
2264 .iter()
2265 .map(|contact| {
2266 let worktrees = contact
2267 .worktrees
2268 .iter()
2269 .map(|w| {
2270 (
2271 w.root_name.as_str(),
2272 w.guests.iter().map(|p| p.github_login.as_str()).collect(),
2273 )
2274 })
2275 .collect();
2276 (contact.user.github_login.as_str(), worktrees)
2277 })
2278 .collect()
2279 }
2280 }
2281
2282 struct TestServer {
2283 peer: Arc<Peer>,
2284 app_state: Arc<AppState>,
2285 server: Arc<Server>,
2286 notifications: mpsc::Receiver<()>,
2287 connection_killers: Arc<Mutex<HashMap<UserId, watch::Sender<Option<()>>>>>,
2288 forbid_connections: Arc<AtomicBool>,
2289 _test_db: TestDb,
2290 }
2291
2292 impl TestServer {
2293 async fn start() -> Self {
2294 let test_db = TestDb::new();
2295 let app_state = Self::build_app_state(&test_db).await;
2296 let peer = Peer::new();
2297 let notifications = mpsc::channel(128);
2298 let server = Server::new(app_state.clone(), peer.clone(), Some(notifications.0));
2299 Self {
2300 peer,
2301 app_state,
2302 server,
2303 notifications: notifications.1,
2304 connection_killers: Default::default(),
2305 forbid_connections: Default::default(),
2306 _test_db: test_db,
2307 }
2308 }
2309
2310 async fn create_client(&mut self, cx: &mut TestAppContext, name: &str) -> TestClient {
2311 let user_id = self.app_state.db.create_user(name, false).await.unwrap();
2312 let client_name = name.to_string();
2313 let mut client = Client::new();
2314 let server = self.server.clone();
2315 let connection_killers = self.connection_killers.clone();
2316 let forbid_connections = self.forbid_connections.clone();
2317 let (connection_id_tx, mut connection_id_rx) = postage::mpsc::channel(16);
2318
2319 Arc::get_mut(&mut client)
2320 .unwrap()
2321 .override_authenticate(move |cx| {
2322 cx.spawn(|_| async move {
2323 let access_token = "the-token".to_string();
2324 Ok(Credentials {
2325 user_id: user_id.0 as u64,
2326 access_token,
2327 })
2328 })
2329 })
2330 .override_establish_connection(move |credentials, cx| {
2331 assert_eq!(credentials.user_id, user_id.0 as u64);
2332 assert_eq!(credentials.access_token, "the-token");
2333
2334 let server = server.clone();
2335 let connection_killers = connection_killers.clone();
2336 let forbid_connections = forbid_connections.clone();
2337 let client_name = client_name.clone();
2338 let connection_id_tx = connection_id_tx.clone();
2339 cx.spawn(move |cx| async move {
2340 if forbid_connections.load(SeqCst) {
2341 Err(EstablishConnectionError::other(anyhow!(
2342 "server is forbidding connections"
2343 )))
2344 } else {
2345 let (client_conn, server_conn, kill_conn) = Connection::in_memory();
2346 connection_killers.lock().insert(user_id, kill_conn);
2347 cx.background()
2348 .spawn(server.handle_connection(
2349 server_conn,
2350 client_name,
2351 user_id,
2352 Some(connection_id_tx),
2353 ))
2354 .detach();
2355 Ok(client_conn)
2356 }
2357 })
2358 });
2359
2360 let http = FakeHttpClient::new(|_| async move { Ok(surf::http::Response::new(404)) });
2361 client
2362 .authenticate_and_connect(&cx.to_async())
2363 .await
2364 .unwrap();
2365
2366 let peer_id = PeerId(connection_id_rx.recv().await.unwrap().0);
2367 let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http, cx));
2368 let mut authed_user =
2369 user_store.read_with(cx, |user_store, _| user_store.watch_current_user());
2370 while authed_user.recv().await.unwrap().is_none() {}
2371
2372 TestClient {
2373 client,
2374 peer_id,
2375 user_store,
2376 }
2377 }
2378
2379 fn disconnect_client(&self, user_id: UserId) {
2380 if let Some(mut kill_conn) = self.connection_killers.lock().remove(&user_id) {
2381 let _ = kill_conn.try_send(Some(()));
2382 }
2383 }
2384
2385 fn forbid_connections(&self) {
2386 self.forbid_connections.store(true, SeqCst);
2387 }
2388
2389 fn allow_connections(&self) {
2390 self.forbid_connections.store(false, SeqCst);
2391 }
2392
2393 async fn build_app_state(test_db: &TestDb) -> Arc<AppState> {
2394 let mut config = Config::default();
2395 config.session_secret = "a".repeat(32);
2396 config.database_url = test_db.url.clone();
2397 let github_client = github::AppClient::test();
2398 Arc::new(AppState {
2399 db: test_db.db().clone(),
2400 handlebars: Default::default(),
2401 auth_client: auth::build_client("", ""),
2402 repo_client: github::RepoClient::test(&github_client),
2403 github_client,
2404 config,
2405 })
2406 }
2407
2408 async fn state<'a>(&'a self) -> RwLockReadGuard<'a, Store> {
2409 self.server.store.read()
2410 }
2411
2412 async fn condition<F>(&mut self, mut predicate: F)
2413 where
2414 F: FnMut(&Store) -> bool,
2415 {
2416 async_std::future::timeout(Duration::from_millis(500), async {
2417 while !(predicate)(&*self.server.store.read()) {
2418 self.notifications.recv().await;
2419 }
2420 })
2421 .await
2422 .expect("condition timed out");
2423 }
2424 }
2425
2426 impl Drop for TestServer {
2427 fn drop(&mut self) {
2428 task::block_on(self.peer.reset());
2429 }
2430 }
2431
2432 struct TestClient {
2433 client: Arc<Client>,
2434 pub peer_id: PeerId,
2435 pub user_store: ModelHandle<UserStore>,
2436 }
2437
2438 impl Deref for TestClient {
2439 type Target = Arc<Client>;
2440
2441 fn deref(&self) -> &Self::Target {
2442 &self.client
2443 }
2444 }
2445
2446 impl TestClient {
2447 pub fn current_user_id(&self, cx: &TestAppContext) -> UserId {
2448 UserId::from_proto(
2449 self.user_store
2450 .read_with(cx, |user_store, _| user_store.current_user().unwrap().id),
2451 )
2452 }
2453 }
2454
2455 fn channel_messages(channel: &Channel) -> Vec<(String, String, bool)> {
2456 channel
2457 .messages()
2458 .cursor::<()>()
2459 .map(|m| {
2460 (
2461 m.sender.github_login.clone(),
2462 m.body.clone(),
2463 m.is_pending(),
2464 )
2465 })
2466 .collect()
2467 }
2468
2469 struct EmptyView;
2470
2471 impl gpui::Entity for EmptyView {
2472 type Event = ();
2473 }
2474
2475 impl gpui::View for EmptyView {
2476 fn ui_name() -> &'static str {
2477 "empty view"
2478 }
2479
2480 fn render(&mut self, _: &mut gpui::RenderContext<Self>) -> gpui::ElementBox {
2481 gpui::Element::boxed(gpui::elements::Empty)
2482 }
2483 }
2484}