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;
46const NO_SUCH_PROJECT: &'static str = "no such project";
47
48impl Server {
49 pub fn new(
50 app_state: Arc<AppState>,
51 peer: Arc<Peer>,
52 notifications: Option<mpsc::Sender<()>>,
53 ) -> Arc<Self> {
54 let mut server = Self {
55 peer,
56 app_state,
57 store: Default::default(),
58 handlers: Default::default(),
59 notifications,
60 };
61
62 server
63 .add_handler(Server::ping)
64 .add_handler(Server::register_project)
65 .add_handler(Server::unregister_project)
66 .add_handler(Server::share_project)
67 .add_handler(Server::unshare_project)
68 .add_handler(Server::join_project)
69 .add_handler(Server::leave_project)
70 .add_handler(Server::register_worktree)
71 .add_handler(Server::unregister_worktree)
72 .add_handler(Server::share_worktree)
73 .add_handler(Server::update_worktree)
74 .add_handler(Server::open_buffer)
75 .add_handler(Server::close_buffer)
76 .add_handler(Server::update_buffer)
77 .add_handler(Server::buffer_saved)
78 .add_handler(Server::save_buffer)
79 .add_handler(Server::get_channels)
80 .add_handler(Server::get_users)
81 .add_handler(Server::join_channel)
82 .add_handler(Server::leave_channel)
83 .add_handler(Server::send_channel_message)
84 .add_handler(Server::get_channel_messages);
85
86 Arc::new(server)
87 }
88
89 fn add_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
90 where
91 F: 'static + Send + Sync + Fn(Arc<Self>, TypedEnvelope<M>) -> Fut,
92 Fut: 'static + Send + Future<Output = tide::Result<()>>,
93 M: EnvelopedMessage,
94 {
95 let prev_handler = self.handlers.insert(
96 TypeId::of::<M>(),
97 Box::new(move |server, envelope| {
98 let envelope = envelope.into_any().downcast::<TypedEnvelope<M>>().unwrap();
99 (handler)(server, *envelope).boxed()
100 }),
101 );
102 if prev_handler.is_some() {
103 panic!("registered a handler for the same message twice");
104 }
105 self
106 }
107
108 pub fn handle_connection(
109 self: &Arc<Self>,
110 connection: Connection,
111 addr: String,
112 user_id: UserId,
113 mut send_connection_id: Option<postage::mpsc::Sender<ConnectionId>>,
114 ) -> impl Future<Output = ()> {
115 let mut this = self.clone();
116 async move {
117 let (connection_id, handle_io, mut incoming_rx) =
118 this.peer.add_connection(connection).await;
119
120 if let Some(send_connection_id) = send_connection_id.as_mut() {
121 let _ = send_connection_id.send(connection_id).await;
122 }
123
124 this.state_mut().add_connection(connection_id, user_id);
125 if let Err(err) = this.update_contacts_for_users(&[user_id]).await {
126 log::error!("error updating contacts for {:?}: {}", user_id, err);
127 }
128
129 let handle_io = handle_io.fuse();
130 futures::pin_mut!(handle_io);
131 loop {
132 let next_message = incoming_rx.recv().fuse();
133 futures::pin_mut!(next_message);
134 futures::select_biased! {
135 message = next_message => {
136 if let Some(message) = message {
137 let start_time = Instant::now();
138 log::info!("RPC message received: {}", message.payload_type_name());
139 if let Some(handler) = this.handlers.get(&message.payload_type_id()) {
140 if let Err(err) = (handler)(this.clone(), message).await {
141 log::error!("error handling message: {:?}", err);
142 } else {
143 log::info!("RPC message handled. duration:{:?}", start_time.elapsed());
144 }
145
146 if let Some(mut notifications) = this.notifications.clone() {
147 let _ = notifications.send(()).await;
148 }
149 } else {
150 log::warn!("unhandled message: {}", message.payload_type_name());
151 }
152 } else {
153 log::info!("rpc connection closed {:?}", addr);
154 break;
155 }
156 }
157 handle_io = handle_io => {
158 if let Err(err) = handle_io {
159 log::error!("error handling rpc connection {:?} - {:?}", addr, err);
160 }
161 break;
162 }
163 }
164 }
165
166 if let Err(err) = this.sign_out(connection_id).await {
167 log::error!("error signing out connection {:?} - {:?}", addr, err);
168 }
169 }
170 }
171
172 async fn sign_out(self: &mut Arc<Self>, connection_id: ConnectionId) -> tide::Result<()> {
173 self.peer.disconnect(connection_id).await;
174 let removed_connection = self.state_mut().remove_connection(connection_id)?;
175
176 for (project_id, project) in removed_connection.hosted_projects {
177 if let Some(share) = project.share {
178 broadcast(
179 connection_id,
180 share.guests.keys().copied().collect(),
181 |conn_id| {
182 self.peer
183 .send(conn_id, proto::UnshareProject { project_id })
184 },
185 )
186 .await?;
187 }
188 }
189
190 for (project_id, peer_ids) in removed_connection.guest_project_ids {
191 broadcast(connection_id, peer_ids, |conn_id| {
192 self.peer.send(
193 conn_id,
194 proto::RemoveProjectCollaborator {
195 project_id,
196 peer_id: connection_id.0,
197 },
198 )
199 })
200 .await?;
201 }
202
203 self.update_contacts_for_users(removed_connection.contact_ids.iter())
204 .await?;
205
206 Ok(())
207 }
208
209 async fn ping(self: Arc<Server>, request: TypedEnvelope<proto::Ping>) -> tide::Result<()> {
210 self.peer.respond(request.receipt(), proto::Ack {}).await?;
211 Ok(())
212 }
213
214 async fn register_project(
215 mut self: Arc<Server>,
216 request: TypedEnvelope<proto::RegisterProject>,
217 ) -> tide::Result<()> {
218 let project_id = {
219 let mut state = self.state_mut();
220 let user_id = state.user_id_for_connection(request.sender_id)?;
221 state.register_project(request.sender_id, user_id)
222 };
223 self.peer
224 .respond(
225 request.receipt(),
226 proto::RegisterProjectResponse { project_id },
227 )
228 .await?;
229 Ok(())
230 }
231
232 async fn unregister_project(
233 mut self: Arc<Server>,
234 request: TypedEnvelope<proto::UnregisterProject>,
235 ) -> tide::Result<()> {
236 let project = self
237 .state_mut()
238 .unregister_project(request.payload.project_id, request.sender_id)
239 .ok_or_else(|| anyhow!("no such project"))?;
240 self.update_contacts_for_users(project.authorized_user_ids().iter())
241 .await?;
242 Ok(())
243 }
244
245 async fn share_project(
246 mut self: Arc<Server>,
247 request: TypedEnvelope<proto::ShareProject>,
248 ) -> tide::Result<()> {
249 self.state_mut()
250 .share_project(request.payload.project_id, request.sender_id);
251 self.peer.respond(request.receipt(), proto::Ack {}).await?;
252 Ok(())
253 }
254
255 async fn unshare_project(
256 mut self: Arc<Server>,
257 request: TypedEnvelope<proto::UnshareProject>,
258 ) -> tide::Result<()> {
259 let project_id = request.payload.project_id;
260 let project = self
261 .state_mut()
262 .unshare_project(project_id, request.sender_id)?;
263
264 broadcast(request.sender_id, project.connection_ids, |conn_id| {
265 self.peer
266 .send(conn_id, proto::UnshareProject { project_id })
267 })
268 .await?;
269 self.update_contacts_for_users(&project.authorized_user_ids)
270 .await?;
271
272 Ok(())
273 }
274
275 async fn join_project(
276 mut self: Arc<Server>,
277 request: TypedEnvelope<proto::JoinProject>,
278 ) -> tide::Result<()> {
279 let project_id = request.payload.project_id;
280
281 let user_id = self.state().user_id_for_connection(request.sender_id)?;
282 let response_data = self
283 .state_mut()
284 .join_project(request.sender_id, user_id, project_id)
285 .and_then(|joined| {
286 let share = joined.project.share()?;
287 let peer_count = share.guests.len();
288 let mut collaborators = Vec::with_capacity(peer_count);
289 collaborators.push(proto::Collaborator {
290 peer_id: joined.project.host_connection_id.0,
291 replica_id: 0,
292 user_id: joined.project.host_user_id.to_proto(),
293 });
294 let worktrees = joined
295 .project
296 .worktrees
297 .iter()
298 .filter_map(|(id, worktree)| {
299 worktree.share.as_ref().map(|share| proto::Worktree {
300 id: *id,
301 root_name: worktree.root_name.clone(),
302 entries: share.entries.values().cloned().collect(),
303 })
304 })
305 .collect();
306 for (peer_conn_id, (peer_replica_id, peer_user_id)) in &share.guests {
307 if *peer_conn_id != request.sender_id {
308 collaborators.push(proto::Collaborator {
309 peer_id: peer_conn_id.0,
310 replica_id: *peer_replica_id as u32,
311 user_id: peer_user_id.to_proto(),
312 });
313 }
314 }
315 let response = proto::JoinProjectResponse {
316 worktrees,
317 replica_id: joined.replica_id as u32,
318 collaborators,
319 };
320 let connection_ids = joined.project.connection_ids();
321 let contact_user_ids = joined.project.authorized_user_ids();
322 Ok((response, connection_ids, contact_user_ids))
323 });
324
325 match response_data {
326 Ok((response, connection_ids, contact_user_ids)) => {
327 broadcast(request.sender_id, connection_ids, |conn_id| {
328 self.peer.send(
329 conn_id,
330 proto::AddProjectCollaborator {
331 project_id: project_id,
332 collaborator: Some(proto::Collaborator {
333 peer_id: request.sender_id.0,
334 replica_id: response.replica_id,
335 user_id: user_id.to_proto(),
336 }),
337 },
338 )
339 })
340 .await?;
341 self.peer.respond(request.receipt(), response).await?;
342 self.update_contacts_for_users(&contact_user_ids).await?;
343 }
344 Err(error) => {
345 self.peer
346 .respond_with_error(
347 request.receipt(),
348 proto::Error {
349 message: error.to_string(),
350 },
351 )
352 .await?;
353 }
354 }
355
356 Ok(())
357 }
358
359 async fn leave_project(
360 mut self: Arc<Server>,
361 request: TypedEnvelope<proto::LeaveProject>,
362 ) -> tide::Result<()> {
363 let sender_id = request.sender_id;
364 let project_id = request.payload.project_id;
365 let worktree = self.state_mut().leave_project(sender_id, project_id);
366 if let Some(worktree) = worktree {
367 broadcast(sender_id, worktree.connection_ids, |conn_id| {
368 self.peer.send(
369 conn_id,
370 proto::RemoveProjectCollaborator {
371 project_id,
372 peer_id: sender_id.0,
373 },
374 )
375 })
376 .await?;
377 self.update_contacts_for_users(&worktree.authorized_user_ids)
378 .await?;
379 }
380 Ok(())
381 }
382
383 async fn register_worktree(
384 mut self: Arc<Server>,
385 request: TypedEnvelope<proto::RegisterWorktree>,
386 ) -> tide::Result<()> {
387 let receipt = request.receipt();
388 let host_user_id = self.state().user_id_for_connection(request.sender_id)?;
389
390 let mut contact_user_ids = HashSet::default();
391 contact_user_ids.insert(host_user_id);
392 for github_login in request.payload.authorized_logins {
393 match self.app_state.db.create_user(&github_login, false).await {
394 Ok(contact_user_id) => {
395 contact_user_ids.insert(contact_user_id);
396 }
397 Err(err) => {
398 let message = err.to_string();
399 self.peer
400 .respond_with_error(receipt, proto::Error { message })
401 .await?;
402 return Ok(());
403 }
404 }
405 }
406
407 let contact_user_ids = contact_user_ids.into_iter().collect::<Vec<_>>();
408 let ok = self.state_mut().register_worktree(
409 request.payload.project_id,
410 request.payload.worktree_id,
411 Worktree {
412 authorized_user_ids: contact_user_ids.clone(),
413 root_name: request.payload.root_name,
414 share: None,
415 },
416 );
417
418 if ok {
419 self.peer.respond(receipt, proto::Ack {}).await?;
420 self.update_contacts_for_users(&contact_user_ids).await?;
421 } else {
422 self.peer
423 .respond_with_error(
424 receipt,
425 proto::Error {
426 message: NO_SUCH_PROJECT.to_string(),
427 },
428 )
429 .await?;
430 }
431
432 Ok(())
433 }
434
435 async fn unregister_worktree(
436 mut self: Arc<Server>,
437 request: TypedEnvelope<proto::UnregisterWorktree>,
438 ) -> tide::Result<()> {
439 let project_id = request.payload.project_id;
440 let worktree_id = request.payload.worktree_id;
441 let (worktree, guest_connection_ids) =
442 self.state_mut()
443 .unregister_worktree(project_id, worktree_id, request.sender_id)?;
444
445 broadcast(request.sender_id, guest_connection_ids, |conn_id| {
446 self.peer.send(
447 conn_id,
448 proto::UnregisterWorktree {
449 project_id,
450 worktree_id,
451 },
452 )
453 })
454 .await?;
455 self.update_contacts_for_users(&worktree.authorized_user_ids)
456 .await?;
457 Ok(())
458 }
459
460 async fn share_worktree(
461 mut self: Arc<Server>,
462 mut request: TypedEnvelope<proto::ShareWorktree>,
463 ) -> tide::Result<()> {
464 let worktree = request
465 .payload
466 .worktree
467 .as_mut()
468 .ok_or_else(|| anyhow!("missing worktree"))?;
469 let entries = mem::take(&mut worktree.entries)
470 .into_iter()
471 .map(|entry| (entry.id, entry))
472 .collect();
473
474 let contact_user_ids = self.state_mut().share_worktree(
475 request.payload.project_id,
476 worktree.id,
477 request.sender_id,
478 entries,
479 );
480 if let Some(contact_user_ids) = contact_user_ids {
481 self.peer.respond(request.receipt(), proto::Ack {}).await?;
482 self.update_contacts_for_users(&contact_user_ids).await?;
483 } else {
484 self.peer
485 .respond_with_error(
486 request.receipt(),
487 proto::Error {
488 message: "no such worktree".to_string(),
489 },
490 )
491 .await?;
492 }
493 Ok(())
494 }
495
496 async fn update_worktree(
497 mut self: Arc<Server>,
498 request: TypedEnvelope<proto::UpdateWorktree>,
499 ) -> tide::Result<()> {
500 let connection_ids = self
501 .state_mut()
502 .update_worktree(
503 request.sender_id,
504 request.payload.project_id,
505 request.payload.worktree_id,
506 &request.payload.removed_entries,
507 &request.payload.updated_entries,
508 )
509 .ok_or_else(|| anyhow!("no such worktree"))?;
510
511 broadcast(request.sender_id, connection_ids, |connection_id| {
512 self.peer
513 .forward_send(request.sender_id, connection_id, request.payload.clone())
514 })
515 .await?;
516
517 Ok(())
518 }
519
520 async fn open_buffer(
521 self: Arc<Server>,
522 request: TypedEnvelope<proto::OpenBuffer>,
523 ) -> tide::Result<()> {
524 let receipt = request.receipt();
525 let host_connection_id = self
526 .state()
527 .read_project(request.payload.project_id, request.sender_id)
528 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?
529 .host_connection_id;
530 let response = self
531 .peer
532 .forward_request(request.sender_id, host_connection_id, request.payload)
533 .await?;
534 self.peer.respond(receipt, response).await?;
535 Ok(())
536 }
537
538 async fn close_buffer(
539 self: Arc<Server>,
540 request: TypedEnvelope<proto::CloseBuffer>,
541 ) -> tide::Result<()> {
542 let host_connection_id = self
543 .state()
544 .read_project(request.payload.project_id, request.sender_id)
545 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?
546 .host_connection_id;
547 self.peer
548 .forward_send(request.sender_id, host_connection_id, request.payload)
549 .await?;
550 Ok(())
551 }
552
553 async fn save_buffer(
554 self: Arc<Server>,
555 request: TypedEnvelope<proto::SaveBuffer>,
556 ) -> tide::Result<()> {
557 let host;
558 let guests;
559 {
560 let state = self.state();
561 let project = state
562 .read_project(request.payload.project_id, request.sender_id)
563 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?;
564 host = project.host_connection_id;
565 guests = project.guest_connection_ids()
566 }
567
568 let sender = request.sender_id;
569 let receipt = request.receipt();
570 let response = self
571 .peer
572 .forward_request(sender, host, request.payload.clone())
573 .await?;
574
575 broadcast(host, guests, |conn_id| {
576 let response = response.clone();
577 let peer = &self.peer;
578 async move {
579 if conn_id == sender {
580 peer.respond(receipt, response).await
581 } else {
582 peer.forward_send(host, conn_id, response).await
583 }
584 }
585 })
586 .await?;
587
588 Ok(())
589 }
590
591 async fn update_buffer(
592 self: Arc<Server>,
593 request: TypedEnvelope<proto::UpdateBuffer>,
594 ) -> tide::Result<()> {
595 let receiver_ids = self
596 .state()
597 .project_connection_ids(request.payload.project_id, request.sender_id)
598 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?;
599 broadcast(request.sender_id, receiver_ids, |connection_id| {
600 self.peer
601 .forward_send(request.sender_id, connection_id, request.payload.clone())
602 })
603 .await?;
604 self.peer.respond(request.receipt(), proto::Ack {}).await?;
605 Ok(())
606 }
607
608 async fn buffer_saved(
609 self: Arc<Server>,
610 request: TypedEnvelope<proto::BufferSaved>,
611 ) -> tide::Result<()> {
612 let receiver_ids = self
613 .state()
614 .project_connection_ids(request.payload.project_id, request.sender_id)
615 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?;
616 broadcast(request.sender_id, receiver_ids, |connection_id| {
617 self.peer
618 .forward_send(request.sender_id, connection_id, request.payload.clone())
619 })
620 .await?;
621 Ok(())
622 }
623
624 async fn get_channels(
625 self: Arc<Server>,
626 request: TypedEnvelope<proto::GetChannels>,
627 ) -> tide::Result<()> {
628 let user_id = self.state().user_id_for_connection(request.sender_id)?;
629 let channels = self.app_state.db.get_accessible_channels(user_id).await?;
630 self.peer
631 .respond(
632 request.receipt(),
633 proto::GetChannelsResponse {
634 channels: channels
635 .into_iter()
636 .map(|chan| proto::Channel {
637 id: chan.id.to_proto(),
638 name: chan.name,
639 })
640 .collect(),
641 },
642 )
643 .await?;
644 Ok(())
645 }
646
647 async fn get_users(
648 self: Arc<Server>,
649 request: TypedEnvelope<proto::GetUsers>,
650 ) -> tide::Result<()> {
651 let receipt = request.receipt();
652 let user_ids = request.payload.user_ids.into_iter().map(UserId::from_proto);
653 let users = self
654 .app_state
655 .db
656 .get_users_by_ids(user_ids)
657 .await?
658 .into_iter()
659 .map(|user| proto::User {
660 id: user.id.to_proto(),
661 avatar_url: format!("https://github.com/{}.png?size=128", user.github_login),
662 github_login: user.github_login,
663 })
664 .collect();
665 self.peer
666 .respond(receipt, proto::GetUsersResponse { users })
667 .await?;
668 Ok(())
669 }
670
671 async fn update_contacts_for_users<'a>(
672 self: &Arc<Server>,
673 user_ids: impl IntoIterator<Item = &'a UserId>,
674 ) -> tide::Result<()> {
675 let mut send_futures = Vec::new();
676
677 {
678 let state = self.state();
679 for user_id in user_ids {
680 let contacts = state.contacts_for_user(*user_id);
681 for connection_id in state.connection_ids_for_user(*user_id) {
682 send_futures.push(self.peer.send(
683 connection_id,
684 proto::UpdateContacts {
685 contacts: contacts.clone(),
686 },
687 ));
688 }
689 }
690 }
691 futures::future::try_join_all(send_futures).await?;
692
693 Ok(())
694 }
695
696 async fn join_channel(
697 mut self: Arc<Self>,
698 request: TypedEnvelope<proto::JoinChannel>,
699 ) -> tide::Result<()> {
700 let user_id = self.state().user_id_for_connection(request.sender_id)?;
701 let channel_id = ChannelId::from_proto(request.payload.channel_id);
702 if !self
703 .app_state
704 .db
705 .can_user_access_channel(user_id, channel_id)
706 .await?
707 {
708 Err(anyhow!("access denied"))?;
709 }
710
711 self.state_mut().join_channel(request.sender_id, channel_id);
712 let messages = self
713 .app_state
714 .db
715 .get_channel_messages(channel_id, MESSAGE_COUNT_PER_PAGE, None)
716 .await?
717 .into_iter()
718 .map(|msg| proto::ChannelMessage {
719 id: msg.id.to_proto(),
720 body: msg.body,
721 timestamp: msg.sent_at.unix_timestamp() as u64,
722 sender_id: msg.sender_id.to_proto(),
723 nonce: Some(msg.nonce.as_u128().into()),
724 })
725 .collect::<Vec<_>>();
726 self.peer
727 .respond(
728 request.receipt(),
729 proto::JoinChannelResponse {
730 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
731 messages,
732 },
733 )
734 .await?;
735 Ok(())
736 }
737
738 async fn leave_channel(
739 mut self: Arc<Self>,
740 request: TypedEnvelope<proto::LeaveChannel>,
741 ) -> tide::Result<()> {
742 let user_id = self.state().user_id_for_connection(request.sender_id)?;
743 let channel_id = ChannelId::from_proto(request.payload.channel_id);
744 if !self
745 .app_state
746 .db
747 .can_user_access_channel(user_id, channel_id)
748 .await?
749 {
750 Err(anyhow!("access denied"))?;
751 }
752
753 self.state_mut()
754 .leave_channel(request.sender_id, channel_id);
755
756 Ok(())
757 }
758
759 async fn send_channel_message(
760 self: Arc<Self>,
761 request: TypedEnvelope<proto::SendChannelMessage>,
762 ) -> tide::Result<()> {
763 let receipt = request.receipt();
764 let channel_id = ChannelId::from_proto(request.payload.channel_id);
765 let user_id;
766 let connection_ids;
767 {
768 let state = self.state();
769 user_id = state.user_id_for_connection(request.sender_id)?;
770 if let Some(ids) = state.channel_connection_ids(channel_id) {
771 connection_ids = ids;
772 } else {
773 return Ok(());
774 }
775 }
776
777 // Validate the message body.
778 let body = request.payload.body.trim().to_string();
779 if body.len() > MAX_MESSAGE_LEN {
780 self.peer
781 .respond_with_error(
782 receipt,
783 proto::Error {
784 message: "message is too long".to_string(),
785 },
786 )
787 .await?;
788 return Ok(());
789 }
790 if body.is_empty() {
791 self.peer
792 .respond_with_error(
793 receipt,
794 proto::Error {
795 message: "message can't be blank".to_string(),
796 },
797 )
798 .await?;
799 return Ok(());
800 }
801
802 let timestamp = OffsetDateTime::now_utc();
803 let nonce = if let Some(nonce) = request.payload.nonce {
804 nonce
805 } else {
806 self.peer
807 .respond_with_error(
808 receipt,
809 proto::Error {
810 message: "nonce can't be blank".to_string(),
811 },
812 )
813 .await?;
814 return Ok(());
815 };
816
817 let message_id = self
818 .app_state
819 .db
820 .create_channel_message(channel_id, user_id, &body, timestamp, nonce.clone().into())
821 .await?
822 .to_proto();
823 let message = proto::ChannelMessage {
824 sender_id: user_id.to_proto(),
825 id: message_id,
826 body,
827 timestamp: timestamp.unix_timestamp() as u64,
828 nonce: Some(nonce),
829 };
830 broadcast(request.sender_id, connection_ids, |conn_id| {
831 self.peer.send(
832 conn_id,
833 proto::ChannelMessageSent {
834 channel_id: channel_id.to_proto(),
835 message: Some(message.clone()),
836 },
837 )
838 })
839 .await?;
840 self.peer
841 .respond(
842 receipt,
843 proto::SendChannelMessageResponse {
844 message: Some(message),
845 },
846 )
847 .await?;
848 Ok(())
849 }
850
851 async fn get_channel_messages(
852 self: Arc<Self>,
853 request: TypedEnvelope<proto::GetChannelMessages>,
854 ) -> tide::Result<()> {
855 let user_id = self.state().user_id_for_connection(request.sender_id)?;
856 let channel_id = ChannelId::from_proto(request.payload.channel_id);
857 if !self
858 .app_state
859 .db
860 .can_user_access_channel(user_id, channel_id)
861 .await?
862 {
863 Err(anyhow!("access denied"))?;
864 }
865
866 let messages = self
867 .app_state
868 .db
869 .get_channel_messages(
870 channel_id,
871 MESSAGE_COUNT_PER_PAGE,
872 Some(MessageId::from_proto(request.payload.before_message_id)),
873 )
874 .await?
875 .into_iter()
876 .map(|msg| proto::ChannelMessage {
877 id: msg.id.to_proto(),
878 body: msg.body,
879 timestamp: msg.sent_at.unix_timestamp() as u64,
880 sender_id: msg.sender_id.to_proto(),
881 nonce: Some(msg.nonce.as_u128().into()),
882 })
883 .collect::<Vec<_>>();
884 self.peer
885 .respond(
886 request.receipt(),
887 proto::GetChannelMessagesResponse {
888 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
889 messages,
890 },
891 )
892 .await?;
893 Ok(())
894 }
895
896 fn state<'a>(self: &'a Arc<Self>) -> RwLockReadGuard<'a, Store> {
897 self.store.read()
898 }
899
900 fn state_mut<'a>(self: &'a mut Arc<Self>) -> RwLockWriteGuard<'a, Store> {
901 self.store.write()
902 }
903}
904
905pub async fn broadcast<F, T>(
906 sender_id: ConnectionId,
907 receiver_ids: Vec<ConnectionId>,
908 mut f: F,
909) -> anyhow::Result<()>
910where
911 F: FnMut(ConnectionId) -> T,
912 T: Future<Output = anyhow::Result<()>>,
913{
914 let futures = receiver_ids
915 .into_iter()
916 .filter(|id| *id != sender_id)
917 .map(|id| f(id));
918 futures::future::try_join_all(futures).await?;
919 Ok(())
920}
921
922pub fn add_routes(app: &mut tide::Server<Arc<AppState>>, rpc: &Arc<Peer>) {
923 let server = Server::new(app.state().clone(), rpc.clone(), None);
924 app.at("/rpc").get(move |request: Request<Arc<AppState>>| {
925 let server = server.clone();
926 async move {
927 const WEBSOCKET_GUID: &str = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
928
929 let connection_upgrade = header_contains_ignore_case(&request, CONNECTION, "upgrade");
930 let upgrade_to_websocket = header_contains_ignore_case(&request, UPGRADE, "websocket");
931 let upgrade_requested = connection_upgrade && upgrade_to_websocket;
932 let client_protocol_version: Option<u32> = request
933 .header("X-Zed-Protocol-Version")
934 .and_then(|v| v.as_str().parse().ok());
935
936 if !upgrade_requested || client_protocol_version != Some(rpc::PROTOCOL_VERSION) {
937 return Ok(Response::new(StatusCode::UpgradeRequired));
938 }
939
940 let header = match request.header("Sec-Websocket-Key") {
941 Some(h) => h.as_str(),
942 None => return Err(anyhow!("expected sec-websocket-key"))?,
943 };
944
945 let user_id = process_auth_header(&request).await?;
946
947 let mut response = Response::new(StatusCode::SwitchingProtocols);
948 response.insert_header(UPGRADE, "websocket");
949 response.insert_header(CONNECTION, "Upgrade");
950 let hash = Sha1::new().chain(header).chain(WEBSOCKET_GUID).finalize();
951 response.insert_header("Sec-Websocket-Accept", base64::encode(&hash[..]));
952 response.insert_header("Sec-Websocket-Version", "13");
953
954 let http_res: &mut tide::http::Response = response.as_mut();
955 let upgrade_receiver = http_res.recv_upgrade().await;
956 let addr = request.remote().unwrap_or("unknown").to_string();
957 task::spawn(async move {
958 if let Some(stream) = upgrade_receiver.await {
959 server
960 .handle_connection(
961 Connection::new(
962 WebSocketStream::from_raw_socket(stream, Role::Server, None).await,
963 ),
964 addr,
965 user_id,
966 None,
967 )
968 .await;
969 }
970 });
971
972 Ok(response)
973 }
974 });
975}
976
977fn header_contains_ignore_case<T>(
978 request: &tide::Request<T>,
979 header_name: HeaderName,
980 value: &str,
981) -> bool {
982 request
983 .header(header_name)
984 .map(|h| {
985 h.as_str()
986 .split(',')
987 .any(|s| s.trim().eq_ignore_ascii_case(value.trim()))
988 })
989 .unwrap_or(false)
990}
991
992#[cfg(test)]
993mod tests {
994 use super::*;
995 use crate::{
996 auth,
997 db::{tests::TestDb, UserId},
998 github, AppState, Config,
999 };
1000 use ::rpc::Peer;
1001 use async_std::task;
1002 use gpui::{ModelHandle, TestAppContext};
1003 use parking_lot::Mutex;
1004 use postage::{mpsc, watch};
1005 use rpc::PeerId;
1006 use serde_json::json;
1007 use sqlx::types::time::OffsetDateTime;
1008 use std::{
1009 ops::Deref,
1010 path::Path,
1011 sync::{
1012 atomic::{AtomicBool, Ordering::SeqCst},
1013 Arc,
1014 },
1015 time::Duration,
1016 };
1017 use zed::{
1018 client::{
1019 self, test::FakeHttpClient, Channel, ChannelDetails, ChannelList, Client, Credentials,
1020 EstablishConnectionError, UserStore,
1021 },
1022 editor::{Editor, EditorSettings, Input, MultiBuffer},
1023 fs::{FakeFs, Fs as _},
1024 language::{
1025 tree_sitter_rust, Diagnostic, DiagnosticEntry, Language, LanguageConfig,
1026 LanguageRegistry, LanguageServerConfig, Point,
1027 },
1028 lsp,
1029 project::Project,
1030 };
1031
1032 #[gpui::test]
1033 async fn test_share_project(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1034 let (window_b, _) = cx_b.add_window(|_| EmptyView);
1035 let lang_registry = Arc::new(LanguageRegistry::new());
1036 let fs = Arc::new(FakeFs::new());
1037 cx_a.foreground().forbid_parking();
1038
1039 // Connect to a server as 2 clients.
1040 let mut server = TestServer::start().await;
1041 let client_a = server.create_client(&mut cx_a, "user_a").await;
1042 let client_b = server.create_client(&mut cx_b, "user_b").await;
1043
1044 // Share a project as client A
1045 fs.insert_tree(
1046 "/a",
1047 json!({
1048 ".zed.toml": r#"collaborators = ["user_b"]"#,
1049 "a.txt": "a-contents",
1050 "b.txt": "b-contents",
1051 }),
1052 )
1053 .await;
1054 let project_a = cx_a.update(|cx| {
1055 Project::local(
1056 client_a.clone(),
1057 client_a.user_store.clone(),
1058 lang_registry.clone(),
1059 fs.clone(),
1060 cx,
1061 )
1062 });
1063 let worktree_a = project_a
1064 .update(&mut cx_a, |p, cx| p.add_local_worktree("/a", cx))
1065 .await
1066 .unwrap();
1067 worktree_a
1068 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1069 .await;
1070 let project_id = project_a
1071 .update(&mut cx_a, |project, _| project.next_remote_id())
1072 .await;
1073 project_a
1074 .update(&mut cx_a, |project, cx| project.share(cx))
1075 .await
1076 .unwrap();
1077
1078 // Join that project as client B
1079 let project_b = Project::remote(
1080 project_id,
1081 client_b.clone(),
1082 client_b.user_store.clone(),
1083 lang_registry.clone(),
1084 fs.clone(),
1085 &mut cx_b.to_async(),
1086 )
1087 .await
1088 .unwrap();
1089 let worktree_b = project_b.update(&mut cx_b, |p, _| p.worktrees()[0].clone());
1090
1091 let replica_id_b = project_b.read_with(&cx_b, |project, _| {
1092 assert_eq!(
1093 project
1094 .collaborators()
1095 .get(&client_a.peer_id)
1096 .unwrap()
1097 .user
1098 .github_login,
1099 "user_a"
1100 );
1101 project.replica_id()
1102 });
1103 project_a
1104 .condition(&cx_a, |tree, _| {
1105 tree.collaborators()
1106 .get(&client_b.peer_id)
1107 .map_or(false, |collaborator| {
1108 collaborator.replica_id == replica_id_b
1109 && collaborator.user.github_login == "user_b"
1110 })
1111 })
1112 .await;
1113
1114 // Open the same file as client B and client A.
1115 let buffer_b = worktree_b
1116 .update(&mut cx_b, |worktree, cx| worktree.open_buffer("b.txt", cx))
1117 .await
1118 .unwrap();
1119 let buffer_b = cx_b.add_model(|cx| MultiBuffer::singleton(buffer_b, cx));
1120 buffer_b.read_with(&cx_b, |buf, cx| {
1121 assert_eq!(buf.read(cx).text(), "b-contents")
1122 });
1123 worktree_a.read_with(&cx_a, |tree, cx| assert!(tree.has_open_buffer("b.txt", cx)));
1124 let buffer_a = worktree_a
1125 .update(&mut cx_a, |tree, cx| tree.open_buffer("b.txt", cx))
1126 .await
1127 .unwrap();
1128
1129 let editor_b = cx_b.add_view(window_b, |cx| {
1130 Editor::for_buffer(buffer_b, Arc::new(|cx| EditorSettings::test(cx)), cx)
1131 });
1132 // TODO
1133 // // Create a selection set as client B and see that selection set as client A.
1134 // buffer_a
1135 // .condition(&cx_a, |buffer, _| buffer.selection_sets().count() == 1)
1136 // .await;
1137
1138 // Edit the buffer as client B and see that edit as client A.
1139 editor_b.update(&mut cx_b, |editor, cx| {
1140 editor.handle_input(&Input("ok, ".into()), cx)
1141 });
1142 buffer_a
1143 .condition(&cx_a, |buffer, _| buffer.text() == "ok, b-contents")
1144 .await;
1145
1146 // TODO
1147 // // Remove the selection set as client B, see those selections disappear as client A.
1148 cx_b.update(move |_| drop(editor_b));
1149 // buffer_a
1150 // .condition(&cx_a, |buffer, _| buffer.selection_sets().count() == 0)
1151 // .await;
1152
1153 // Close the buffer as client A, see that the buffer is closed.
1154 cx_a.update(move |_| drop(buffer_a));
1155 worktree_a
1156 .condition(&cx_a, |tree, cx| !tree.has_open_buffer("b.txt", cx))
1157 .await;
1158
1159 // Dropping the client B's project removes client B from client A's collaborators.
1160 cx_b.update(move |_| drop(project_b));
1161 project_a
1162 .condition(&cx_a, |project, _| project.collaborators().is_empty())
1163 .await;
1164 }
1165
1166 #[gpui::test]
1167 async fn test_unshare_project(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1168 let lang_registry = Arc::new(LanguageRegistry::new());
1169 let fs = Arc::new(FakeFs::new());
1170 cx_a.foreground().forbid_parking();
1171
1172 // Connect to a server as 2 clients.
1173 let mut server = TestServer::start().await;
1174 let client_a = server.create_client(&mut cx_a, "user_a").await;
1175 let client_b = server.create_client(&mut cx_b, "user_b").await;
1176
1177 // Share a project as client A
1178 fs.insert_tree(
1179 "/a",
1180 json!({
1181 ".zed.toml": r#"collaborators = ["user_b"]"#,
1182 "a.txt": "a-contents",
1183 "b.txt": "b-contents",
1184 }),
1185 )
1186 .await;
1187 let project_a = cx_a.update(|cx| {
1188 Project::local(
1189 client_a.clone(),
1190 client_a.user_store.clone(),
1191 lang_registry.clone(),
1192 fs.clone(),
1193 cx,
1194 )
1195 });
1196 let worktree_a = project_a
1197 .update(&mut cx_a, |p, cx| p.add_local_worktree("/a", cx))
1198 .await
1199 .unwrap();
1200 worktree_a
1201 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1202 .await;
1203 let project_id = project_a
1204 .update(&mut cx_a, |project, _| project.next_remote_id())
1205 .await;
1206 project_a
1207 .update(&mut cx_a, |project, cx| project.share(cx))
1208 .await
1209 .unwrap();
1210
1211 // Join that project as client B
1212 let project_b = Project::remote(
1213 project_id,
1214 client_b.clone(),
1215 client_b.user_store.clone(),
1216 lang_registry.clone(),
1217 fs.clone(),
1218 &mut cx_b.to_async(),
1219 )
1220 .await
1221 .unwrap();
1222
1223 let worktree_b = project_b.read_with(&cx_b, |p, _| p.worktrees()[0].clone());
1224 worktree_b
1225 .update(&mut cx_b, |tree, cx| tree.open_buffer("a.txt", cx))
1226 .await
1227 .unwrap();
1228
1229 project_a
1230 .update(&mut cx_a, |project, cx| project.unshare(cx))
1231 .await
1232 .unwrap();
1233 project_b
1234 .condition(&mut cx_b, |project, _| project.is_read_only())
1235 .await;
1236 }
1237
1238 #[gpui::test]
1239 async fn test_propagate_saves_and_fs_changes(
1240 mut cx_a: TestAppContext,
1241 mut cx_b: TestAppContext,
1242 mut cx_c: TestAppContext,
1243 ) {
1244 let lang_registry = Arc::new(LanguageRegistry::new());
1245 let fs = Arc::new(FakeFs::new());
1246 cx_a.foreground().forbid_parking();
1247
1248 // Connect to a server as 3 clients.
1249 let mut server = TestServer::start().await;
1250 let client_a = server.create_client(&mut cx_a, "user_a").await;
1251 let client_b = server.create_client(&mut cx_b, "user_b").await;
1252 let client_c = server.create_client(&mut cx_c, "user_c").await;
1253
1254 // Share a worktree as client A.
1255 fs.insert_tree(
1256 "/a",
1257 json!({
1258 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
1259 "file1": "",
1260 "file2": ""
1261 }),
1262 )
1263 .await;
1264 let project_a = cx_a.update(|cx| {
1265 Project::local(
1266 client_a.clone(),
1267 client_a.user_store.clone(),
1268 lang_registry.clone(),
1269 fs.clone(),
1270 cx,
1271 )
1272 });
1273 let worktree_a = project_a
1274 .update(&mut cx_a, |p, cx| p.add_local_worktree("/a", cx))
1275 .await
1276 .unwrap();
1277 worktree_a
1278 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1279 .await;
1280 let project_id = project_a
1281 .update(&mut cx_a, |project, _| project.next_remote_id())
1282 .await;
1283 project_a
1284 .update(&mut cx_a, |project, cx| project.share(cx))
1285 .await
1286 .unwrap();
1287
1288 // Join that worktree as clients B and C.
1289 let project_b = Project::remote(
1290 project_id,
1291 client_b.clone(),
1292 client_b.user_store.clone(),
1293 lang_registry.clone(),
1294 fs.clone(),
1295 &mut cx_b.to_async(),
1296 )
1297 .await
1298 .unwrap();
1299 let project_c = Project::remote(
1300 project_id,
1301 client_c.clone(),
1302 client_c.user_store.clone(),
1303 lang_registry.clone(),
1304 fs.clone(),
1305 &mut cx_c.to_async(),
1306 )
1307 .await
1308 .unwrap();
1309
1310 // Open and edit a buffer as both guests B and C.
1311 let worktree_b = project_b.read_with(&cx_b, |p, _| p.worktrees()[0].clone());
1312 let worktree_c = project_c.read_with(&cx_c, |p, _| p.worktrees()[0].clone());
1313 let buffer_b = worktree_b
1314 .update(&mut cx_b, |tree, cx| tree.open_buffer("file1", cx))
1315 .await
1316 .unwrap();
1317 let buffer_c = worktree_c
1318 .update(&mut cx_c, |tree, cx| tree.open_buffer("file1", cx))
1319 .await
1320 .unwrap();
1321 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "i-am-b, ", cx));
1322 buffer_c.update(&mut cx_c, |buf, cx| buf.edit([0..0], "i-am-c, ", cx));
1323
1324 // Open and edit that buffer as the host.
1325 let buffer_a = worktree_a
1326 .update(&mut cx_a, |tree, cx| tree.open_buffer("file1", cx))
1327 .await
1328 .unwrap();
1329
1330 buffer_a
1331 .condition(&mut cx_a, |buf, _| buf.text() == "i-am-c, i-am-b, ")
1332 .await;
1333 buffer_a.update(&mut cx_a, |buf, cx| {
1334 buf.edit([buf.len()..buf.len()], "i-am-a", cx)
1335 });
1336
1337 // Wait for edits to propagate
1338 buffer_a
1339 .condition(&mut cx_a, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1340 .await;
1341 buffer_b
1342 .condition(&mut cx_b, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1343 .await;
1344 buffer_c
1345 .condition(&mut cx_c, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1346 .await;
1347
1348 // Edit the buffer as the host and concurrently save as guest B.
1349 let save_b = buffer_b.update(&mut cx_b, |buf, cx| buf.save(cx).unwrap());
1350 buffer_a.update(&mut cx_a, |buf, cx| buf.edit([0..0], "hi-a, ", cx));
1351 save_b.await.unwrap();
1352 assert_eq!(
1353 fs.load("/a/file1".as_ref()).await.unwrap(),
1354 "hi-a, i-am-c, i-am-b, i-am-a"
1355 );
1356 buffer_a.read_with(&cx_a, |buf, _| assert!(!buf.is_dirty()));
1357 buffer_b.read_with(&cx_b, |buf, _| assert!(!buf.is_dirty()));
1358 buffer_c.condition(&cx_c, |buf, _| !buf.is_dirty()).await;
1359
1360 // Make changes on host's file system, see those changes on the guests.
1361 fs.rename("/a/file2".as_ref(), "/a/file3".as_ref())
1362 .await
1363 .unwrap();
1364 fs.insert_file(Path::new("/a/file4"), "4".into())
1365 .await
1366 .unwrap();
1367
1368 worktree_b
1369 .condition(&cx_b, |tree, _| tree.file_count() == 4)
1370 .await;
1371 worktree_c
1372 .condition(&cx_c, |tree, _| tree.file_count() == 4)
1373 .await;
1374 worktree_b.read_with(&cx_b, |tree, _| {
1375 assert_eq!(
1376 tree.paths()
1377 .map(|p| p.to_string_lossy())
1378 .collect::<Vec<_>>(),
1379 &[".zed.toml", "file1", "file3", "file4"]
1380 )
1381 });
1382 worktree_c.read_with(&cx_c, |tree, _| {
1383 assert_eq!(
1384 tree.paths()
1385 .map(|p| p.to_string_lossy())
1386 .collect::<Vec<_>>(),
1387 &[".zed.toml", "file1", "file3", "file4"]
1388 )
1389 });
1390 }
1391
1392 #[gpui::test]
1393 async fn test_buffer_conflict_after_save(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1394 cx_a.foreground().forbid_parking();
1395 let lang_registry = Arc::new(LanguageRegistry::new());
1396 let fs = Arc::new(FakeFs::new());
1397
1398 // Connect to a server as 2 clients.
1399 let mut server = TestServer::start().await;
1400 let client_a = server.create_client(&mut cx_a, "user_a").await;
1401 let client_b = server.create_client(&mut cx_b, "user_b").await;
1402
1403 // Share a project as client A
1404 fs.insert_tree(
1405 "/dir",
1406 json!({
1407 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
1408 "a.txt": "a-contents",
1409 }),
1410 )
1411 .await;
1412
1413 let project_a = cx_a.update(|cx| {
1414 Project::local(
1415 client_a.clone(),
1416 client_a.user_store.clone(),
1417 lang_registry.clone(),
1418 fs.clone(),
1419 cx,
1420 )
1421 });
1422 let worktree_a = project_a
1423 .update(&mut cx_a, |p, cx| p.add_local_worktree("/dir", cx))
1424 .await
1425 .unwrap();
1426 worktree_a
1427 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1428 .await;
1429 let project_id = project_a
1430 .update(&mut cx_a, |project, _| project.next_remote_id())
1431 .await;
1432 project_a
1433 .update(&mut cx_a, |project, cx| project.share(cx))
1434 .await
1435 .unwrap();
1436
1437 // Join that project as client B
1438 let project_b = Project::remote(
1439 project_id,
1440 client_b.clone(),
1441 client_b.user_store.clone(),
1442 lang_registry.clone(),
1443 fs.clone(),
1444 &mut cx_b.to_async(),
1445 )
1446 .await
1447 .unwrap();
1448 let worktree_b = project_b.update(&mut cx_b, |p, _| p.worktrees()[0].clone());
1449
1450 // Open a buffer as client B
1451 let buffer_b = worktree_b
1452 .update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx))
1453 .await
1454 .unwrap();
1455 let mtime = buffer_b.read_with(&cx_b, |buf, _| buf.file().unwrap().mtime());
1456
1457 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "world ", cx));
1458 buffer_b.read_with(&cx_b, |buf, _| {
1459 assert!(buf.is_dirty());
1460 assert!(!buf.has_conflict());
1461 });
1462
1463 buffer_b
1464 .update(&mut cx_b, |buf, cx| buf.save(cx))
1465 .unwrap()
1466 .await
1467 .unwrap();
1468 worktree_b
1469 .condition(&cx_b, |_, cx| {
1470 buffer_b.read(cx).file().unwrap().mtime() != mtime
1471 })
1472 .await;
1473 buffer_b.read_with(&cx_b, |buf, _| {
1474 assert!(!buf.is_dirty());
1475 assert!(!buf.has_conflict());
1476 });
1477
1478 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "hello ", cx));
1479 buffer_b.read_with(&cx_b, |buf, _| {
1480 assert!(buf.is_dirty());
1481 assert!(!buf.has_conflict());
1482 });
1483 }
1484
1485 #[gpui::test]
1486 async fn test_editing_while_guest_opens_buffer(
1487 mut cx_a: TestAppContext,
1488 mut cx_b: TestAppContext,
1489 ) {
1490 cx_a.foreground().forbid_parking();
1491 let lang_registry = Arc::new(LanguageRegistry::new());
1492 let fs = Arc::new(FakeFs::new());
1493
1494 // Connect to a server as 2 clients.
1495 let mut server = TestServer::start().await;
1496 let client_a = server.create_client(&mut cx_a, "user_a").await;
1497 let client_b = server.create_client(&mut cx_b, "user_b").await;
1498
1499 // Share a project as client A
1500 fs.insert_tree(
1501 "/dir",
1502 json!({
1503 ".zed.toml": r#"collaborators = ["user_b"]"#,
1504 "a.txt": "a-contents",
1505 }),
1506 )
1507 .await;
1508 let project_a = cx_a.update(|cx| {
1509 Project::local(
1510 client_a.clone(),
1511 client_a.user_store.clone(),
1512 lang_registry.clone(),
1513 fs.clone(),
1514 cx,
1515 )
1516 });
1517 let worktree_a = project_a
1518 .update(&mut cx_a, |p, cx| p.add_local_worktree("/dir", cx))
1519 .await
1520 .unwrap();
1521 worktree_a
1522 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1523 .await;
1524 let project_id = project_a
1525 .update(&mut cx_a, |project, _| project.next_remote_id())
1526 .await;
1527 project_a
1528 .update(&mut cx_a, |project, cx| project.share(cx))
1529 .await
1530 .unwrap();
1531
1532 // Join that project as client B
1533 let project_b = Project::remote(
1534 project_id,
1535 client_b.clone(),
1536 client_b.user_store.clone(),
1537 lang_registry.clone(),
1538 fs.clone(),
1539 &mut cx_b.to_async(),
1540 )
1541 .await
1542 .unwrap();
1543 let worktree_b = project_b.update(&mut cx_b, |p, _| p.worktrees()[0].clone());
1544
1545 // Open a buffer as client A
1546 let buffer_a = worktree_a
1547 .update(&mut cx_a, |tree, cx| tree.open_buffer("a.txt", cx))
1548 .await
1549 .unwrap();
1550
1551 // Start opening the same buffer as client B
1552 let buffer_b = cx_b
1553 .background()
1554 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx)));
1555 task::yield_now().await;
1556
1557 // Edit the buffer as client A while client B is still opening it.
1558 buffer_a.update(&mut cx_a, |buf, cx| buf.edit([0..0], "z", cx));
1559
1560 let text = buffer_a.read_with(&cx_a, |buf, _| buf.text());
1561 let buffer_b = buffer_b.await.unwrap();
1562 buffer_b.condition(&cx_b, |buf, _| buf.text() == text).await;
1563 }
1564
1565 #[gpui::test]
1566 async fn test_leaving_worktree_while_opening_buffer(
1567 mut cx_a: TestAppContext,
1568 mut cx_b: TestAppContext,
1569 ) {
1570 cx_a.foreground().forbid_parking();
1571 let lang_registry = Arc::new(LanguageRegistry::new());
1572 let fs = Arc::new(FakeFs::new());
1573
1574 // Connect to a server as 2 clients.
1575 let mut server = TestServer::start().await;
1576 let client_a = server.create_client(&mut cx_a, "user_a").await;
1577 let client_b = server.create_client(&mut cx_b, "user_b").await;
1578
1579 // Share a project as client A
1580 fs.insert_tree(
1581 "/dir",
1582 json!({
1583 ".zed.toml": r#"collaborators = ["user_b"]"#,
1584 "a.txt": "a-contents",
1585 }),
1586 )
1587 .await;
1588 let project_a = cx_a.update(|cx| {
1589 Project::local(
1590 client_a.clone(),
1591 client_a.user_store.clone(),
1592 lang_registry.clone(),
1593 fs.clone(),
1594 cx,
1595 )
1596 });
1597 let worktree_a = project_a
1598 .update(&mut cx_a, |p, cx| p.add_local_worktree("/dir", cx))
1599 .await
1600 .unwrap();
1601 worktree_a
1602 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1603 .await;
1604 let project_id = project_a
1605 .update(&mut cx_a, |project, _| project.next_remote_id())
1606 .await;
1607 project_a
1608 .update(&mut cx_a, |project, cx| project.share(cx))
1609 .await
1610 .unwrap();
1611
1612 // Join that project as client B
1613 let project_b = Project::remote(
1614 project_id,
1615 client_b.clone(),
1616 client_b.user_store.clone(),
1617 lang_registry.clone(),
1618 fs.clone(),
1619 &mut cx_b.to_async(),
1620 )
1621 .await
1622 .unwrap();
1623 let worktree_b = project_b.update(&mut cx_b, |p, _| p.worktrees()[0].clone());
1624
1625 // See that a guest has joined as client A.
1626 project_a
1627 .condition(&cx_a, |p, _| p.collaborators().len() == 1)
1628 .await;
1629
1630 // Begin opening a buffer as client B, but leave the project before the open completes.
1631 let buffer_b = cx_b
1632 .background()
1633 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx)));
1634 cx_b.update(|_| drop(project_b));
1635 drop(buffer_b);
1636
1637 // See that the guest has left.
1638 project_a
1639 .condition(&cx_a, |p, _| p.collaborators().len() == 0)
1640 .await;
1641 }
1642
1643 #[gpui::test]
1644 async fn test_peer_disconnection(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1645 cx_a.foreground().forbid_parking();
1646 let lang_registry = Arc::new(LanguageRegistry::new());
1647 let fs = Arc::new(FakeFs::new());
1648
1649 // Connect to a server as 2 clients.
1650 let mut server = TestServer::start().await;
1651 let client_a = server.create_client(&mut cx_a, "user_a").await;
1652 let client_b = server.create_client(&mut cx_b, "user_b").await;
1653
1654 // Share a project as client A
1655 fs.insert_tree(
1656 "/a",
1657 json!({
1658 ".zed.toml": r#"collaborators = ["user_b"]"#,
1659 "a.txt": "a-contents",
1660 "b.txt": "b-contents",
1661 }),
1662 )
1663 .await;
1664 let project_a = cx_a.update(|cx| {
1665 Project::local(
1666 client_a.clone(),
1667 client_a.user_store.clone(),
1668 lang_registry.clone(),
1669 fs.clone(),
1670 cx,
1671 )
1672 });
1673 let worktree_a = project_a
1674 .update(&mut cx_a, |p, cx| p.add_local_worktree("/a", cx))
1675 .await
1676 .unwrap();
1677 worktree_a
1678 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1679 .await;
1680 let project_id = project_a
1681 .update(&mut cx_a, |project, _| project.next_remote_id())
1682 .await;
1683 project_a
1684 .update(&mut cx_a, |project, cx| project.share(cx))
1685 .await
1686 .unwrap();
1687
1688 // Join that project as client B
1689 let _project_b = Project::remote(
1690 project_id,
1691 client_b.clone(),
1692 client_b.user_store.clone(),
1693 lang_registry.clone(),
1694 fs.clone(),
1695 &mut cx_b.to_async(),
1696 )
1697 .await
1698 .unwrap();
1699
1700 // See that a guest has joined as client A.
1701 project_a
1702 .condition(&cx_a, |p, _| p.collaborators().len() == 1)
1703 .await;
1704
1705 // Drop client B's connection and ensure client A observes client B leaving the worktree.
1706 client_b.disconnect(&cx_b.to_async()).await.unwrap();
1707 project_a
1708 .condition(&cx_a, |p, _| p.collaborators().len() == 0)
1709 .await;
1710 }
1711
1712 #[gpui::test]
1713 async fn test_collaborating_with_diagnostics(
1714 mut cx_a: TestAppContext,
1715 mut cx_b: TestAppContext,
1716 ) {
1717 cx_a.foreground().forbid_parking();
1718 let mut lang_registry = Arc::new(LanguageRegistry::new());
1719 let fs = Arc::new(FakeFs::new());
1720
1721 // Set up a fake language server.
1722 let (language_server_config, mut fake_language_server) =
1723 LanguageServerConfig::fake(cx_a.background()).await;
1724 Arc::get_mut(&mut lang_registry)
1725 .unwrap()
1726 .add(Arc::new(Language::new(
1727 LanguageConfig {
1728 name: "Rust".to_string(),
1729 path_suffixes: vec!["rs".to_string()],
1730 language_server: Some(language_server_config),
1731 ..Default::default()
1732 },
1733 Some(tree_sitter_rust::language()),
1734 )));
1735
1736 // Connect to a server as 2 clients.
1737 let mut server = TestServer::start().await;
1738 let client_a = server.create_client(&mut cx_a, "user_a").await;
1739 let client_b = server.create_client(&mut cx_b, "user_b").await;
1740
1741 // Share a project as client A
1742 fs.insert_tree(
1743 "/a",
1744 json!({
1745 ".zed.toml": r#"collaborators = ["user_b"]"#,
1746 "a.rs": "let one = two",
1747 "other.rs": "",
1748 }),
1749 )
1750 .await;
1751 let project_a = cx_a.update(|cx| {
1752 Project::local(
1753 client_a.clone(),
1754 client_a.user_store.clone(),
1755 lang_registry.clone(),
1756 fs.clone(),
1757 cx,
1758 )
1759 });
1760 let worktree_a = project_a
1761 .update(&mut cx_a, |p, cx| p.add_local_worktree("/a", cx))
1762 .await
1763 .unwrap();
1764 worktree_a
1765 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1766 .await;
1767 let project_id = project_a
1768 .update(&mut cx_a, |project, _| project.next_remote_id())
1769 .await;
1770 project_a
1771 .update(&mut cx_a, |project, cx| project.share(cx))
1772 .await
1773 .unwrap();
1774
1775 // Cause the language server to start.
1776 let _ = cx_a
1777 .background()
1778 .spawn(worktree_a.update(&mut cx_a, |worktree, cx| {
1779 worktree.open_buffer("other.rs", cx)
1780 }))
1781 .await
1782 .unwrap();
1783
1784 // Simulate a language server reporting errors for a file.
1785 fake_language_server
1786 .notify::<lsp::notification::PublishDiagnostics>(lsp::PublishDiagnosticsParams {
1787 uri: lsp::Url::from_file_path("/a/a.rs").unwrap(),
1788 version: None,
1789 diagnostics: vec![
1790 lsp::Diagnostic {
1791 severity: Some(lsp::DiagnosticSeverity::ERROR),
1792 range: lsp::Range::new(lsp::Position::new(0, 4), lsp::Position::new(0, 7)),
1793 message: "message 1".to_string(),
1794 ..Default::default()
1795 },
1796 lsp::Diagnostic {
1797 severity: Some(lsp::DiagnosticSeverity::WARNING),
1798 range: lsp::Range::new(
1799 lsp::Position::new(0, 10),
1800 lsp::Position::new(0, 13),
1801 ),
1802 message: "message 2".to_string(),
1803 ..Default::default()
1804 },
1805 ],
1806 })
1807 .await;
1808
1809 // Join the worktree as client B.
1810 let project_b = Project::remote(
1811 project_id,
1812 client_b.clone(),
1813 client_b.user_store.clone(),
1814 lang_registry.clone(),
1815 fs.clone(),
1816 &mut cx_b.to_async(),
1817 )
1818 .await
1819 .unwrap();
1820 let worktree_b = project_b.update(&mut cx_b, |p, _| p.worktrees()[0].clone());
1821
1822 // Open the file with the errors.
1823 let buffer_b = cx_b
1824 .background()
1825 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.rs", cx)))
1826 .await
1827 .unwrap();
1828
1829 buffer_b.read_with(&cx_b, |buffer, _| {
1830 assert_eq!(
1831 buffer
1832 .snapshot()
1833 .diagnostics_in_range::<_, Point>(0..buffer.len())
1834 .collect::<Vec<_>>(),
1835 &[
1836 DiagnosticEntry {
1837 range: Point::new(0, 4)..Point::new(0, 7),
1838 diagnostic: Diagnostic {
1839 group_id: 0,
1840 message: "message 1".to_string(),
1841 severity: lsp::DiagnosticSeverity::ERROR,
1842 is_primary: true,
1843 ..Default::default()
1844 }
1845 },
1846 DiagnosticEntry {
1847 range: Point::new(0, 10)..Point::new(0, 13),
1848 diagnostic: Diagnostic {
1849 group_id: 1,
1850 severity: lsp::DiagnosticSeverity::WARNING,
1851 message: "message 2".to_string(),
1852 is_primary: true,
1853 ..Default::default()
1854 }
1855 }
1856 ]
1857 );
1858 });
1859 }
1860
1861 #[gpui::test]
1862 async fn test_basic_chat(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1863 cx_a.foreground().forbid_parking();
1864
1865 // Connect to a server as 2 clients.
1866 let mut server = TestServer::start().await;
1867 let client_a = server.create_client(&mut cx_a, "user_a").await;
1868 let client_b = server.create_client(&mut cx_b, "user_b").await;
1869
1870 // Create an org that includes these 2 users.
1871 let db = &server.app_state.db;
1872 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
1873 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
1874 .await
1875 .unwrap();
1876 db.add_org_member(org_id, client_b.current_user_id(&cx_b), false)
1877 .await
1878 .unwrap();
1879
1880 // Create a channel that includes all the users.
1881 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
1882 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
1883 .await
1884 .unwrap();
1885 db.add_channel_member(channel_id, client_b.current_user_id(&cx_b), false)
1886 .await
1887 .unwrap();
1888 db.create_channel_message(
1889 channel_id,
1890 client_b.current_user_id(&cx_b),
1891 "hello A, it's B.",
1892 OffsetDateTime::now_utc(),
1893 1,
1894 )
1895 .await
1896 .unwrap();
1897
1898 let channels_a = cx_a
1899 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
1900 channels_a
1901 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
1902 .await;
1903 channels_a.read_with(&cx_a, |list, _| {
1904 assert_eq!(
1905 list.available_channels().unwrap(),
1906 &[ChannelDetails {
1907 id: channel_id.to_proto(),
1908 name: "test-channel".to_string()
1909 }]
1910 )
1911 });
1912 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
1913 this.get_channel(channel_id.to_proto(), cx).unwrap()
1914 });
1915 channel_a.read_with(&cx_a, |channel, _| assert!(channel.messages().is_empty()));
1916 channel_a
1917 .condition(&cx_a, |channel, _| {
1918 channel_messages(channel)
1919 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1920 })
1921 .await;
1922
1923 let channels_b = cx_b
1924 .add_model(|cx| ChannelList::new(client_b.user_store.clone(), client_b.clone(), cx));
1925 channels_b
1926 .condition(&mut cx_b, |list, _| list.available_channels().is_some())
1927 .await;
1928 channels_b.read_with(&cx_b, |list, _| {
1929 assert_eq!(
1930 list.available_channels().unwrap(),
1931 &[ChannelDetails {
1932 id: channel_id.to_proto(),
1933 name: "test-channel".to_string()
1934 }]
1935 )
1936 });
1937
1938 let channel_b = channels_b.update(&mut cx_b, |this, cx| {
1939 this.get_channel(channel_id.to_proto(), cx).unwrap()
1940 });
1941 channel_b.read_with(&cx_b, |channel, _| assert!(channel.messages().is_empty()));
1942 channel_b
1943 .condition(&cx_b, |channel, _| {
1944 channel_messages(channel)
1945 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
1946 })
1947 .await;
1948
1949 channel_a
1950 .update(&mut cx_a, |channel, cx| {
1951 channel
1952 .send_message("oh, hi B.".to_string(), cx)
1953 .unwrap()
1954 .detach();
1955 let task = channel.send_message("sup".to_string(), cx).unwrap();
1956 assert_eq!(
1957 channel_messages(channel),
1958 &[
1959 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1960 ("user_a".to_string(), "oh, hi B.".to_string(), true),
1961 ("user_a".to_string(), "sup".to_string(), true)
1962 ]
1963 );
1964 task
1965 })
1966 .await
1967 .unwrap();
1968
1969 channel_b
1970 .condition(&cx_b, |channel, _| {
1971 channel_messages(channel)
1972 == [
1973 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
1974 ("user_a".to_string(), "oh, hi B.".to_string(), false),
1975 ("user_a".to_string(), "sup".to_string(), false),
1976 ]
1977 })
1978 .await;
1979
1980 assert_eq!(
1981 server
1982 .state()
1983 .await
1984 .channel(channel_id)
1985 .unwrap()
1986 .connection_ids
1987 .len(),
1988 2
1989 );
1990 cx_b.update(|_| drop(channel_b));
1991 server
1992 .condition(|state| state.channel(channel_id).unwrap().connection_ids.len() == 1)
1993 .await;
1994
1995 cx_a.update(|_| drop(channel_a));
1996 server
1997 .condition(|state| state.channel(channel_id).is_none())
1998 .await;
1999 }
2000
2001 #[gpui::test]
2002 async fn test_chat_message_validation(mut cx_a: TestAppContext) {
2003 cx_a.foreground().forbid_parking();
2004
2005 let mut server = TestServer::start().await;
2006 let client_a = server.create_client(&mut cx_a, "user_a").await;
2007
2008 let db = &server.app_state.db;
2009 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
2010 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
2011 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
2012 .await
2013 .unwrap();
2014 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
2015 .await
2016 .unwrap();
2017
2018 let channels_a = cx_a
2019 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
2020 channels_a
2021 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
2022 .await;
2023 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
2024 this.get_channel(channel_id.to_proto(), cx).unwrap()
2025 });
2026
2027 // Messages aren't allowed to be too long.
2028 channel_a
2029 .update(&mut cx_a, |channel, cx| {
2030 let long_body = "this is long.\n".repeat(1024);
2031 channel.send_message(long_body, cx).unwrap()
2032 })
2033 .await
2034 .unwrap_err();
2035
2036 // Messages aren't allowed to be blank.
2037 channel_a.update(&mut cx_a, |channel, cx| {
2038 channel.send_message(String::new(), cx).unwrap_err()
2039 });
2040
2041 // Leading and trailing whitespace are trimmed.
2042 channel_a
2043 .update(&mut cx_a, |channel, cx| {
2044 channel
2045 .send_message("\n surrounded by whitespace \n".to_string(), cx)
2046 .unwrap()
2047 })
2048 .await
2049 .unwrap();
2050 assert_eq!(
2051 db.get_channel_messages(channel_id, 10, None)
2052 .await
2053 .unwrap()
2054 .iter()
2055 .map(|m| &m.body)
2056 .collect::<Vec<_>>(),
2057 &["surrounded by whitespace"]
2058 );
2059 }
2060
2061 #[gpui::test]
2062 async fn test_chat_reconnection(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
2063 cx_a.foreground().forbid_parking();
2064
2065 // Connect to a server as 2 clients.
2066 let mut server = TestServer::start().await;
2067 let client_a = server.create_client(&mut cx_a, "user_a").await;
2068 let client_b = server.create_client(&mut cx_b, "user_b").await;
2069 let mut status_b = client_b.status();
2070
2071 // Create an org that includes these 2 users.
2072 let db = &server.app_state.db;
2073 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
2074 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
2075 .await
2076 .unwrap();
2077 db.add_org_member(org_id, client_b.current_user_id(&cx_b), false)
2078 .await
2079 .unwrap();
2080
2081 // Create a channel that includes all the users.
2082 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
2083 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
2084 .await
2085 .unwrap();
2086 db.add_channel_member(channel_id, client_b.current_user_id(&cx_b), false)
2087 .await
2088 .unwrap();
2089 db.create_channel_message(
2090 channel_id,
2091 client_b.current_user_id(&cx_b),
2092 "hello A, it's B.",
2093 OffsetDateTime::now_utc(),
2094 2,
2095 )
2096 .await
2097 .unwrap();
2098
2099 let channels_a = cx_a
2100 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
2101 channels_a
2102 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
2103 .await;
2104
2105 channels_a.read_with(&cx_a, |list, _| {
2106 assert_eq!(
2107 list.available_channels().unwrap(),
2108 &[ChannelDetails {
2109 id: channel_id.to_proto(),
2110 name: "test-channel".to_string()
2111 }]
2112 )
2113 });
2114 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
2115 this.get_channel(channel_id.to_proto(), cx).unwrap()
2116 });
2117 channel_a.read_with(&cx_a, |channel, _| assert!(channel.messages().is_empty()));
2118 channel_a
2119 .condition(&cx_a, |channel, _| {
2120 channel_messages(channel)
2121 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
2122 })
2123 .await;
2124
2125 let channels_b = cx_b
2126 .add_model(|cx| ChannelList::new(client_b.user_store.clone(), client_b.clone(), cx));
2127 channels_b
2128 .condition(&mut cx_b, |list, _| list.available_channels().is_some())
2129 .await;
2130 channels_b.read_with(&cx_b, |list, _| {
2131 assert_eq!(
2132 list.available_channels().unwrap(),
2133 &[ChannelDetails {
2134 id: channel_id.to_proto(),
2135 name: "test-channel".to_string()
2136 }]
2137 )
2138 });
2139
2140 let channel_b = channels_b.update(&mut cx_b, |this, cx| {
2141 this.get_channel(channel_id.to_proto(), cx).unwrap()
2142 });
2143 channel_b.read_with(&cx_b, |channel, _| assert!(channel.messages().is_empty()));
2144 channel_b
2145 .condition(&cx_b, |channel, _| {
2146 channel_messages(channel)
2147 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
2148 })
2149 .await;
2150
2151 // Disconnect client B, ensuring we can still access its cached channel data.
2152 server.forbid_connections();
2153 server.disconnect_client(client_b.current_user_id(&cx_b));
2154 while !matches!(
2155 status_b.recv().await,
2156 Some(client::Status::ReconnectionError { .. })
2157 ) {}
2158
2159 channels_b.read_with(&cx_b, |channels, _| {
2160 assert_eq!(
2161 channels.available_channels().unwrap(),
2162 [ChannelDetails {
2163 id: channel_id.to_proto(),
2164 name: "test-channel".to_string()
2165 }]
2166 )
2167 });
2168 channel_b.read_with(&cx_b, |channel, _| {
2169 assert_eq!(
2170 channel_messages(channel),
2171 [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
2172 )
2173 });
2174
2175 // Send a message from client B while it is disconnected.
2176 channel_b
2177 .update(&mut cx_b, |channel, cx| {
2178 let task = channel
2179 .send_message("can you see this?".to_string(), cx)
2180 .unwrap();
2181 assert_eq!(
2182 channel_messages(channel),
2183 &[
2184 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2185 ("user_b".to_string(), "can you see this?".to_string(), true)
2186 ]
2187 );
2188 task
2189 })
2190 .await
2191 .unwrap_err();
2192
2193 // Send a message from client A while B is disconnected.
2194 channel_a
2195 .update(&mut cx_a, |channel, cx| {
2196 channel
2197 .send_message("oh, hi B.".to_string(), cx)
2198 .unwrap()
2199 .detach();
2200 let task = channel.send_message("sup".to_string(), cx).unwrap();
2201 assert_eq!(
2202 channel_messages(channel),
2203 &[
2204 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2205 ("user_a".to_string(), "oh, hi B.".to_string(), true),
2206 ("user_a".to_string(), "sup".to_string(), true)
2207 ]
2208 );
2209 task
2210 })
2211 .await
2212 .unwrap();
2213
2214 // Give client B a chance to reconnect.
2215 server.allow_connections();
2216 cx_b.foreground().advance_clock(Duration::from_secs(10));
2217
2218 // Verify that B sees the new messages upon reconnection, as well as the message client B
2219 // sent while offline.
2220 channel_b
2221 .condition(&cx_b, |channel, _| {
2222 channel_messages(channel)
2223 == [
2224 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2225 ("user_a".to_string(), "oh, hi B.".to_string(), false),
2226 ("user_a".to_string(), "sup".to_string(), false),
2227 ("user_b".to_string(), "can you see this?".to_string(), false),
2228 ]
2229 })
2230 .await;
2231
2232 // Ensure client A and B can communicate normally after reconnection.
2233 channel_a
2234 .update(&mut cx_a, |channel, cx| {
2235 channel.send_message("you online?".to_string(), cx).unwrap()
2236 })
2237 .await
2238 .unwrap();
2239 channel_b
2240 .condition(&cx_b, |channel, _| {
2241 channel_messages(channel)
2242 == [
2243 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2244 ("user_a".to_string(), "oh, hi B.".to_string(), false),
2245 ("user_a".to_string(), "sup".to_string(), false),
2246 ("user_b".to_string(), "can you see this?".to_string(), false),
2247 ("user_a".to_string(), "you online?".to_string(), false),
2248 ]
2249 })
2250 .await;
2251
2252 channel_b
2253 .update(&mut cx_b, |channel, cx| {
2254 channel.send_message("yep".to_string(), cx).unwrap()
2255 })
2256 .await
2257 .unwrap();
2258 channel_a
2259 .condition(&cx_a, |channel, _| {
2260 channel_messages(channel)
2261 == [
2262 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2263 ("user_a".to_string(), "oh, hi B.".to_string(), false),
2264 ("user_a".to_string(), "sup".to_string(), false),
2265 ("user_b".to_string(), "can you see this?".to_string(), false),
2266 ("user_a".to_string(), "you online?".to_string(), false),
2267 ("user_b".to_string(), "yep".to_string(), false),
2268 ]
2269 })
2270 .await;
2271 }
2272
2273 #[gpui::test]
2274 async fn test_contacts(
2275 mut cx_a: TestAppContext,
2276 mut cx_b: TestAppContext,
2277 mut cx_c: TestAppContext,
2278 ) {
2279 cx_a.foreground().forbid_parking();
2280 let lang_registry = Arc::new(LanguageRegistry::new());
2281 let fs = Arc::new(FakeFs::new());
2282
2283 // Connect to a server as 3 clients.
2284 let mut server = TestServer::start().await;
2285 let client_a = server.create_client(&mut cx_a, "user_a").await;
2286 let client_b = server.create_client(&mut cx_b, "user_b").await;
2287 let client_c = server.create_client(&mut cx_c, "user_c").await;
2288
2289 // Share a worktree as client A.
2290 fs.insert_tree(
2291 "/a",
2292 json!({
2293 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
2294 }),
2295 )
2296 .await;
2297
2298 let project_a = cx_a.update(|cx| {
2299 Project::local(
2300 client_a.clone(),
2301 client_a.user_store.clone(),
2302 lang_registry.clone(),
2303 fs.clone(),
2304 cx,
2305 )
2306 });
2307 let worktree_a = project_a
2308 .update(&mut cx_a, |p, cx| p.add_local_worktree("/a", cx))
2309 .await
2310 .unwrap();
2311 worktree_a
2312 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
2313 .await;
2314
2315 client_a
2316 .user_store
2317 .condition(&cx_a, |user_store, _| {
2318 contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
2319 })
2320 .await;
2321 client_b
2322 .user_store
2323 .condition(&cx_b, |user_store, _| {
2324 contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
2325 })
2326 .await;
2327 client_c
2328 .user_store
2329 .condition(&cx_c, |user_store, _| {
2330 contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
2331 })
2332 .await;
2333
2334 let project_id = project_a
2335 .update(&mut cx_a, |project, _| project.next_remote_id())
2336 .await;
2337 project_a
2338 .update(&mut cx_a, |project, cx| project.share(cx))
2339 .await
2340 .unwrap();
2341
2342 let _project_b = Project::remote(
2343 project_id,
2344 client_b.clone(),
2345 client_b.user_store.clone(),
2346 lang_registry.clone(),
2347 fs.clone(),
2348 &mut cx_b.to_async(),
2349 )
2350 .await
2351 .unwrap();
2352
2353 client_a
2354 .user_store
2355 .condition(&cx_a, |user_store, _| {
2356 contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2357 })
2358 .await;
2359 client_b
2360 .user_store
2361 .condition(&cx_b, |user_store, _| {
2362 contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2363 })
2364 .await;
2365 client_c
2366 .user_store
2367 .condition(&cx_c, |user_store, _| {
2368 contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2369 })
2370 .await;
2371
2372 project_a
2373 .condition(&cx_a, |project, _| {
2374 project.collaborators().contains_key(&client_b.peer_id)
2375 })
2376 .await;
2377
2378 cx_a.update(move |_| drop(project_a));
2379 client_a
2380 .user_store
2381 .condition(&cx_a, |user_store, _| contacts(user_store) == vec![])
2382 .await;
2383 client_b
2384 .user_store
2385 .condition(&cx_b, |user_store, _| contacts(user_store) == vec![])
2386 .await;
2387 client_c
2388 .user_store
2389 .condition(&cx_c, |user_store, _| contacts(user_store) == vec![])
2390 .await;
2391
2392 fn contacts(user_store: &UserStore) -> Vec<(&str, Vec<(&str, Vec<&str>)>)> {
2393 user_store
2394 .contacts()
2395 .iter()
2396 .map(|contact| {
2397 let worktrees = contact
2398 .projects
2399 .iter()
2400 .map(|p| {
2401 (
2402 p.worktree_root_names[0].as_str(),
2403 p.guests.iter().map(|p| p.github_login.as_str()).collect(),
2404 )
2405 })
2406 .collect();
2407 (contact.user.github_login.as_str(), worktrees)
2408 })
2409 .collect()
2410 }
2411 }
2412
2413 struct TestServer {
2414 peer: Arc<Peer>,
2415 app_state: Arc<AppState>,
2416 server: Arc<Server>,
2417 notifications: mpsc::Receiver<()>,
2418 connection_killers: Arc<Mutex<HashMap<UserId, watch::Sender<Option<()>>>>>,
2419 forbid_connections: Arc<AtomicBool>,
2420 _test_db: TestDb,
2421 }
2422
2423 impl TestServer {
2424 async fn start() -> Self {
2425 let test_db = TestDb::new();
2426 let app_state = Self::build_app_state(&test_db).await;
2427 let peer = Peer::new();
2428 let notifications = mpsc::channel(128);
2429 let server = Server::new(app_state.clone(), peer.clone(), Some(notifications.0));
2430 Self {
2431 peer,
2432 app_state,
2433 server,
2434 notifications: notifications.1,
2435 connection_killers: Default::default(),
2436 forbid_connections: Default::default(),
2437 _test_db: test_db,
2438 }
2439 }
2440
2441 async fn create_client(&mut self, cx: &mut TestAppContext, name: &str) -> TestClient {
2442 let user_id = self.app_state.db.create_user(name, false).await.unwrap();
2443 let client_name = name.to_string();
2444 let mut client = Client::new();
2445 let server = self.server.clone();
2446 let connection_killers = self.connection_killers.clone();
2447 let forbid_connections = self.forbid_connections.clone();
2448 let (connection_id_tx, mut connection_id_rx) = postage::mpsc::channel(16);
2449
2450 Arc::get_mut(&mut client)
2451 .unwrap()
2452 .override_authenticate(move |cx| {
2453 cx.spawn(|_| async move {
2454 let access_token = "the-token".to_string();
2455 Ok(Credentials {
2456 user_id: user_id.0 as u64,
2457 access_token,
2458 })
2459 })
2460 })
2461 .override_establish_connection(move |credentials, cx| {
2462 assert_eq!(credentials.user_id, user_id.0 as u64);
2463 assert_eq!(credentials.access_token, "the-token");
2464
2465 let server = server.clone();
2466 let connection_killers = connection_killers.clone();
2467 let forbid_connections = forbid_connections.clone();
2468 let client_name = client_name.clone();
2469 let connection_id_tx = connection_id_tx.clone();
2470 cx.spawn(move |cx| async move {
2471 if forbid_connections.load(SeqCst) {
2472 Err(EstablishConnectionError::other(anyhow!(
2473 "server is forbidding connections"
2474 )))
2475 } else {
2476 let (client_conn, server_conn, kill_conn) = Connection::in_memory();
2477 connection_killers.lock().insert(user_id, kill_conn);
2478 cx.background()
2479 .spawn(server.handle_connection(
2480 server_conn,
2481 client_name,
2482 user_id,
2483 Some(connection_id_tx),
2484 ))
2485 .detach();
2486 Ok(client_conn)
2487 }
2488 })
2489 });
2490
2491 let http = FakeHttpClient::new(|_| async move { Ok(surf::http::Response::new(404)) });
2492 client
2493 .authenticate_and_connect(&cx.to_async())
2494 .await
2495 .unwrap();
2496
2497 let peer_id = PeerId(connection_id_rx.recv().await.unwrap().0);
2498 let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http, cx));
2499 let mut authed_user =
2500 user_store.read_with(cx, |user_store, _| user_store.watch_current_user());
2501 while authed_user.recv().await.unwrap().is_none() {}
2502
2503 TestClient {
2504 client,
2505 peer_id,
2506 user_store,
2507 }
2508 }
2509
2510 fn disconnect_client(&self, user_id: UserId) {
2511 if let Some(mut kill_conn) = self.connection_killers.lock().remove(&user_id) {
2512 let _ = kill_conn.try_send(Some(()));
2513 }
2514 }
2515
2516 fn forbid_connections(&self) {
2517 self.forbid_connections.store(true, SeqCst);
2518 }
2519
2520 fn allow_connections(&self) {
2521 self.forbid_connections.store(false, SeqCst);
2522 }
2523
2524 async fn build_app_state(test_db: &TestDb) -> Arc<AppState> {
2525 let mut config = Config::default();
2526 config.session_secret = "a".repeat(32);
2527 config.database_url = test_db.url.clone();
2528 let github_client = github::AppClient::test();
2529 Arc::new(AppState {
2530 db: test_db.db().clone(),
2531 handlebars: Default::default(),
2532 auth_client: auth::build_client("", ""),
2533 repo_client: github::RepoClient::test(&github_client),
2534 github_client,
2535 config,
2536 })
2537 }
2538
2539 async fn state<'a>(&'a self) -> RwLockReadGuard<'a, Store> {
2540 self.server.store.read()
2541 }
2542
2543 async fn condition<F>(&mut self, mut predicate: F)
2544 where
2545 F: FnMut(&Store) -> bool,
2546 {
2547 async_std::future::timeout(Duration::from_millis(500), async {
2548 while !(predicate)(&*self.server.store.read()) {
2549 self.notifications.recv().await;
2550 }
2551 })
2552 .await
2553 .expect("condition timed out");
2554 }
2555 }
2556
2557 impl Drop for TestServer {
2558 fn drop(&mut self) {
2559 task::block_on(self.peer.reset());
2560 }
2561 }
2562
2563 struct TestClient {
2564 client: Arc<Client>,
2565 pub peer_id: PeerId,
2566 pub user_store: ModelHandle<UserStore>,
2567 }
2568
2569 impl Deref for TestClient {
2570 type Target = Arc<Client>;
2571
2572 fn deref(&self) -> &Self::Target {
2573 &self.client
2574 }
2575 }
2576
2577 impl TestClient {
2578 pub fn current_user_id(&self, cx: &TestAppContext) -> UserId {
2579 UserId::from_proto(
2580 self.user_store
2581 .read_with(cx, |user_store, _| user_store.current_user().unwrap().id),
2582 )
2583 }
2584 }
2585
2586 fn channel_messages(channel: &Channel) -> Vec<(String, String, bool)> {
2587 channel
2588 .messages()
2589 .cursor::<()>()
2590 .map(|m| {
2591 (
2592 m.sender.github_login.clone(),
2593 m.body.clone(),
2594 m.is_pending(),
2595 )
2596 })
2597 .collect()
2598 }
2599
2600 struct EmptyView;
2601
2602 impl gpui::Entity for EmptyView {
2603 type Event = ();
2604 }
2605
2606 impl gpui::View for EmptyView {
2607 fn ui_name() -> &'static str {
2608 "empty view"
2609 }
2610
2611 fn render(&mut self, _: &mut gpui::RenderContext<Self>) -> gpui::ElementBox {
2612 gpui::Element::boxed(gpui::elements::Empty)
2613 }
2614 }
2615}