1#[cfg(any(test, feature = "test-support"))]
2pub mod test;
3
4mod cloud;
5mod proxy;
6pub mod telemetry;
7pub mod user;
8pub mod zed_urls;
9
10use anyhow::{Context as _, Result, anyhow, bail};
11use async_recursion::async_recursion;
12use async_tungstenite::tungstenite::{
13 client::IntoClientRequest,
14 error::Error as WebsocketError,
15 http::{HeaderValue, Request, StatusCode},
16};
17use chrono::{DateTime, Utc};
18use clock::SystemClock;
19use cloud_api_client::CloudApiClient;
20use credentials_provider::CredentialsProvider;
21use futures::{
22 AsyncReadExt, FutureExt, SinkExt, Stream, StreamExt, TryFutureExt as _, TryStreamExt,
23 channel::oneshot, future::BoxFuture,
24};
25use gpui::{App, AsyncApp, Entity, Global, Task, WeakEntity, actions};
26use http_client::{AsyncBody, HttpClient, HttpClientWithUrl, http};
27use parking_lot::RwLock;
28use postage::watch;
29use proxy::connect_proxy_stream;
30use rand::prelude::*;
31use release_channel::{AppVersion, ReleaseChannel};
32use rpc::proto::{AnyTypedEnvelope, EnvelopedMessage, PeerId, RequestMessage};
33use schemars::JsonSchema;
34use serde::{Deserialize, Serialize};
35use settings::{Settings, SettingsSources};
36use std::{
37 any::TypeId,
38 convert::TryFrom,
39 fmt::Write as _,
40 future::Future,
41 marker::PhantomData,
42 path::PathBuf,
43 sync::{
44 Arc, LazyLock, Weak,
45 atomic::{AtomicU64, Ordering},
46 },
47 time::{Duration, Instant},
48};
49use std::{cmp, pin::Pin};
50use telemetry::Telemetry;
51use thiserror::Error;
52use tokio::net::TcpStream;
53use url::Url;
54use util::{ConnectionResult, ResultExt};
55
56pub use cloud::*;
57pub use rpc::*;
58pub use telemetry_events::Event;
59pub use user::*;
60
61static ZED_SERVER_URL: LazyLock<Option<String>> =
62 LazyLock::new(|| std::env::var("ZED_SERVER_URL").ok());
63static ZED_RPC_URL: LazyLock<Option<String>> = LazyLock::new(|| std::env::var("ZED_RPC_URL").ok());
64
65pub static IMPERSONATE_LOGIN: LazyLock<Option<String>> = LazyLock::new(|| {
66 std::env::var("ZED_IMPERSONATE")
67 .ok()
68 .and_then(|s| if s.is_empty() { None } else { Some(s) })
69});
70
71pub static ADMIN_API_TOKEN: LazyLock<Option<String>> = LazyLock::new(|| {
72 std::env::var("ZED_ADMIN_API_TOKEN")
73 .ok()
74 .and_then(|s| if s.is_empty() { None } else { Some(s) })
75});
76
77pub static ZED_APP_PATH: LazyLock<Option<PathBuf>> =
78 LazyLock::new(|| std::env::var("ZED_APP_PATH").ok().map(PathBuf::from));
79
80pub static ZED_ALWAYS_ACTIVE: LazyLock<bool> =
81 LazyLock::new(|| std::env::var("ZED_ALWAYS_ACTIVE").map_or(false, |e| !e.is_empty()));
82
83pub const INITIAL_RECONNECTION_DELAY: Duration = Duration::from_millis(500);
84pub const MAX_RECONNECTION_DELAY: Duration = Duration::from_secs(30);
85pub const CONNECTION_TIMEOUT: Duration = Duration::from_secs(20);
86
87actions!(
88 client,
89 [
90 /// Signs in to Zed account.
91 SignIn,
92 /// Signs out of Zed account.
93 SignOut,
94 /// Reconnects to the collaboration server.
95 Reconnect
96 ]
97);
98
99#[derive(Clone, Default, Serialize, Deserialize, JsonSchema)]
100pub struct ClientSettingsContent {
101 server_url: Option<String>,
102}
103
104#[derive(Deserialize)]
105pub struct ClientSettings {
106 pub server_url: String,
107}
108
109impl Settings for ClientSettings {
110 const KEY: Option<&'static str> = None;
111
112 type FileContent = ClientSettingsContent;
113
114 fn load(sources: SettingsSources<Self::FileContent>, _: &mut App) -> Result<Self> {
115 let mut result = sources.json_merge::<Self>()?;
116 if let Some(server_url) = &*ZED_SERVER_URL {
117 result.server_url.clone_from(server_url)
118 }
119 Ok(result)
120 }
121
122 fn import_from_vscode(_vscode: &settings::VsCodeSettings, _current: &mut Self::FileContent) {}
123}
124
125#[derive(Default, Clone, Serialize, Deserialize, JsonSchema)]
126pub struct ProxySettingsContent {
127 proxy: Option<String>,
128}
129
130#[derive(Deserialize, Default)]
131pub struct ProxySettings {
132 pub proxy: Option<String>,
133}
134
135impl Settings for ProxySettings {
136 const KEY: Option<&'static str> = None;
137
138 type FileContent = ProxySettingsContent;
139
140 fn load(sources: SettingsSources<Self::FileContent>, _: &mut App) -> Result<Self> {
141 Ok(Self {
142 proxy: sources
143 .user
144 .or(sources.server)
145 .and_then(|value| value.proxy.clone())
146 .or(sources.default.proxy.clone()),
147 })
148 }
149
150 fn import_from_vscode(vscode: &settings::VsCodeSettings, current: &mut Self::FileContent) {
151 vscode.string_setting("http.proxy", &mut current.proxy);
152 }
153}
154
155pub fn init_settings(cx: &mut App) {
156 TelemetrySettings::register(cx);
157 DisableAiSettings::register(cx);
158 ClientSettings::register(cx);
159 ProxySettings::register(cx);
160}
161
162pub fn init(client: &Arc<Client>, cx: &mut App) {
163 let client = Arc::downgrade(client);
164 cx.on_action({
165 let client = client.clone();
166 move |_: &SignIn, cx| {
167 if let Some(client) = client.upgrade() {
168 cx.spawn(
169 async move |cx| match client.authenticate_and_connect(true, &cx).await {
170 ConnectionResult::Timeout => {
171 log::error!("Initial authentication timed out");
172 }
173 ConnectionResult::ConnectionReset => {
174 log::error!("Initial authentication connection reset");
175 }
176 ConnectionResult::Result(r) => {
177 r.log_err();
178 }
179 },
180 )
181 .detach();
182 }
183 }
184 });
185
186 cx.on_action({
187 let client = client.clone();
188 move |_: &SignOut, cx| {
189 if let Some(client) = client.upgrade() {
190 cx.spawn(async move |cx| {
191 client.sign_out(&cx).await;
192 })
193 .detach();
194 }
195 }
196 });
197
198 cx.on_action({
199 let client = client.clone();
200 move |_: &Reconnect, cx| {
201 if let Some(client) = client.upgrade() {
202 cx.spawn(async move |cx| {
203 client.reconnect(&cx);
204 })
205 .detach();
206 }
207 }
208 });
209}
210
211struct GlobalClient(Arc<Client>);
212
213impl Global for GlobalClient {}
214
215pub struct Client {
216 id: AtomicU64,
217 peer: Arc<Peer>,
218 http: Arc<HttpClientWithUrl>,
219 cloud_client: Arc<CloudApiClient>,
220 telemetry: Arc<Telemetry>,
221 credentials_provider: ClientCredentialsProvider,
222 state: RwLock<ClientState>,
223 handler_set: parking_lot::Mutex<ProtoMessageHandlerSet>,
224
225 #[allow(clippy::type_complexity)]
226 #[cfg(any(test, feature = "test-support"))]
227 authenticate:
228 RwLock<Option<Box<dyn 'static + Send + Sync + Fn(&AsyncApp) -> Task<Result<Credentials>>>>>,
229
230 #[allow(clippy::type_complexity)]
231 #[cfg(any(test, feature = "test-support"))]
232 establish_connection: RwLock<
233 Option<
234 Box<
235 dyn 'static
236 + Send
237 + Sync
238 + Fn(
239 &Credentials,
240 &AsyncApp,
241 ) -> Task<Result<Connection, EstablishConnectionError>>,
242 >,
243 >,
244 >,
245
246 #[cfg(any(test, feature = "test-support"))]
247 rpc_url: RwLock<Option<Url>>,
248}
249
250#[derive(Error, Debug)]
251pub enum EstablishConnectionError {
252 #[error("upgrade required")]
253 UpgradeRequired,
254 #[error("unauthorized")]
255 Unauthorized,
256 #[error("{0}")]
257 Other(#[from] anyhow::Error),
258 #[error("{0}")]
259 InvalidHeaderValue(#[from] async_tungstenite::tungstenite::http::header::InvalidHeaderValue),
260 #[error("{0}")]
261 Io(#[from] std::io::Error),
262 #[error("{0}")]
263 Websocket(#[from] async_tungstenite::tungstenite::http::Error),
264}
265
266impl From<WebsocketError> for EstablishConnectionError {
267 fn from(error: WebsocketError) -> Self {
268 if let WebsocketError::Http(response) = &error {
269 match response.status() {
270 StatusCode::UNAUTHORIZED => return EstablishConnectionError::Unauthorized,
271 StatusCode::UPGRADE_REQUIRED => return EstablishConnectionError::UpgradeRequired,
272 _ => {}
273 }
274 }
275 EstablishConnectionError::Other(error.into())
276 }
277}
278
279impl EstablishConnectionError {
280 pub fn other(error: impl Into<anyhow::Error> + Send + Sync) -> Self {
281 Self::Other(error.into())
282 }
283}
284
285#[derive(Copy, Clone, Debug, PartialEq)]
286pub enum Status {
287 SignedOut,
288 UpgradeRequired,
289 Authenticating,
290 Connecting,
291 ConnectionError,
292 Connected {
293 peer_id: PeerId,
294 connection_id: ConnectionId,
295 },
296 ConnectionLost,
297 Reauthenticating,
298 Reconnecting,
299 ReconnectionError {
300 next_reconnection: Instant,
301 },
302}
303
304impl Status {
305 pub fn is_connected(&self) -> bool {
306 matches!(self, Self::Connected { .. })
307 }
308
309 pub fn is_signing_in(&self) -> bool {
310 matches!(
311 self,
312 Self::Authenticating | Self::Reauthenticating | Self::Connecting | Self::Reconnecting
313 )
314 }
315
316 pub fn is_signed_out(&self) -> bool {
317 matches!(self, Self::SignedOut | Self::UpgradeRequired)
318 }
319}
320
321struct ClientState {
322 credentials: Option<Credentials>,
323 status: (watch::Sender<Status>, watch::Receiver<Status>),
324 _reconnect_task: Option<Task<()>>,
325}
326
327#[derive(Clone, Debug, Eq, PartialEq)]
328pub struct Credentials {
329 pub user_id: u64,
330 pub access_token: String,
331}
332
333impl Credentials {
334 pub fn authorization_header(&self) -> String {
335 format!("{} {}", self.user_id, self.access_token)
336 }
337}
338
339pub struct ClientCredentialsProvider {
340 provider: Arc<dyn CredentialsProvider>,
341}
342
343impl ClientCredentialsProvider {
344 pub fn new(cx: &App) -> Self {
345 Self {
346 provider: <dyn CredentialsProvider>::global(cx),
347 }
348 }
349
350 fn server_url(&self, cx: &AsyncApp) -> Result<String> {
351 cx.update(|cx| ClientSettings::get_global(cx).server_url.clone())
352 }
353
354 /// Reads the credentials from the provider.
355 fn read_credentials<'a>(
356 &'a self,
357 cx: &'a AsyncApp,
358 ) -> Pin<Box<dyn Future<Output = Option<Credentials>> + 'a>> {
359 async move {
360 if IMPERSONATE_LOGIN.is_some() {
361 return None;
362 }
363
364 let server_url = self.server_url(cx).ok()?;
365 let (user_id, access_token) = self
366 .provider
367 .read_credentials(&server_url, cx)
368 .await
369 .log_err()
370 .flatten()?;
371
372 Some(Credentials {
373 user_id: user_id.parse().ok()?,
374 access_token: String::from_utf8(access_token).ok()?,
375 })
376 }
377 .boxed_local()
378 }
379
380 /// Writes the credentials to the provider.
381 fn write_credentials<'a>(
382 &'a self,
383 user_id: u64,
384 access_token: String,
385 cx: &'a AsyncApp,
386 ) -> Pin<Box<dyn Future<Output = Result<()>> + 'a>> {
387 async move {
388 let server_url = self.server_url(cx)?;
389 self.provider
390 .write_credentials(
391 &server_url,
392 &user_id.to_string(),
393 access_token.as_bytes(),
394 cx,
395 )
396 .await
397 }
398 .boxed_local()
399 }
400
401 /// Deletes the credentials from the provider.
402 fn delete_credentials<'a>(
403 &'a self,
404 cx: &'a AsyncApp,
405 ) -> Pin<Box<dyn Future<Output = Result<()>> + 'a>> {
406 async move {
407 let server_url = self.server_url(cx)?;
408 self.provider.delete_credentials(&server_url, cx).await
409 }
410 .boxed_local()
411 }
412}
413
414impl Default for ClientState {
415 fn default() -> Self {
416 Self {
417 credentials: None,
418 status: watch::channel_with(Status::SignedOut),
419 _reconnect_task: None,
420 }
421 }
422}
423
424pub enum Subscription {
425 Entity {
426 client: Weak<Client>,
427 id: (TypeId, u64),
428 },
429 Message {
430 client: Weak<Client>,
431 id: TypeId,
432 },
433}
434
435impl Drop for Subscription {
436 fn drop(&mut self) {
437 match self {
438 Subscription::Entity { client, id } => {
439 if let Some(client) = client.upgrade() {
440 let mut state = client.handler_set.lock();
441 let _ = state.entities_by_type_and_remote_id.remove(id);
442 }
443 }
444 Subscription::Message { client, id } => {
445 if let Some(client) = client.upgrade() {
446 let mut state = client.handler_set.lock();
447 let _ = state.entity_types_by_message_type.remove(id);
448 let _ = state.message_handlers.remove(id);
449 }
450 }
451 }
452 }
453}
454
455pub struct PendingEntitySubscription<T: 'static> {
456 client: Arc<Client>,
457 remote_id: u64,
458 _entity_type: PhantomData<T>,
459 consumed: bool,
460}
461
462impl<T: 'static> PendingEntitySubscription<T> {
463 pub fn set_entity(mut self, entity: &Entity<T>, cx: &AsyncApp) -> Subscription {
464 self.consumed = true;
465 let mut handlers = self.client.handler_set.lock();
466 let id = (TypeId::of::<T>(), self.remote_id);
467 let Some(EntityMessageSubscriber::Pending(messages)) =
468 handlers.entities_by_type_and_remote_id.remove(&id)
469 else {
470 unreachable!()
471 };
472
473 handlers.entities_by_type_and_remote_id.insert(
474 id,
475 EntityMessageSubscriber::Entity {
476 handle: entity.downgrade().into(),
477 },
478 );
479 drop(handlers);
480 for message in messages {
481 let client_id = self.client.id();
482 let type_name = message.payload_type_name();
483 let sender_id = message.original_sender_id();
484 log::debug!(
485 "handling queued rpc message. client_id:{}, sender_id:{:?}, type:{}",
486 client_id,
487 sender_id,
488 type_name
489 );
490 self.client.handle_message(message, cx);
491 }
492 Subscription::Entity {
493 client: Arc::downgrade(&self.client),
494 id,
495 }
496 }
497}
498
499impl<T: 'static> Drop for PendingEntitySubscription<T> {
500 fn drop(&mut self) {
501 if !self.consumed {
502 let mut state = self.client.handler_set.lock();
503 if let Some(EntityMessageSubscriber::Pending(messages)) = state
504 .entities_by_type_and_remote_id
505 .remove(&(TypeId::of::<T>(), self.remote_id))
506 {
507 for message in messages {
508 log::info!("unhandled message {}", message.payload_type_name());
509 }
510 }
511 }
512 }
513}
514
515#[derive(Copy, Clone, Deserialize, Debug)]
516pub struct TelemetrySettings {
517 pub diagnostics: bool,
518 pub metrics: bool,
519}
520
521/// Control what info is collected by Zed.
522#[derive(Default, Clone, Serialize, Deserialize, JsonSchema, Debug)]
523pub struct TelemetrySettingsContent {
524 /// Send debug info like crash reports.
525 ///
526 /// Default: true
527 pub diagnostics: Option<bool>,
528 /// Send anonymized usage data like what languages you're using Zed with.
529 ///
530 /// Default: true
531 pub metrics: Option<bool>,
532}
533
534impl settings::Settings for TelemetrySettings {
535 const KEY: Option<&'static str> = Some("telemetry");
536
537 type FileContent = TelemetrySettingsContent;
538
539 fn load(sources: SettingsSources<Self::FileContent>, _: &mut App) -> Result<Self> {
540 sources.json_merge()
541 }
542
543 fn import_from_vscode(vscode: &settings::VsCodeSettings, current: &mut Self::FileContent) {
544 vscode.enum_setting("telemetry.telemetryLevel", &mut current.metrics, |s| {
545 Some(s == "all")
546 });
547 vscode.enum_setting("telemetry.telemetryLevel", &mut current.diagnostics, |s| {
548 Some(matches!(s, "all" | "error" | "crash"))
549 });
550 // we could translate telemetry.telemetryLevel, but just because users didn't want
551 // to send microsoft telemetry doesn't mean they don't want to send it to zed. their
552 // all/error/crash/off correspond to combinations of our "diagnostics" and "metrics".
553 }
554}
555
556/// Whether to disable all AI features in Zed.
557///
558/// Default: false
559#[derive(Copy, Clone, Debug)]
560pub struct DisableAiSettings {
561 pub disable_ai: bool,
562}
563
564impl settings::Settings for DisableAiSettings {
565 const KEY: Option<&'static str> = Some("disable_ai");
566
567 type FileContent = Option<bool>;
568
569 fn load(sources: SettingsSources<Self::FileContent>, _: &mut App) -> Result<Self> {
570 Ok(Self {
571 disable_ai: sources
572 .user
573 .or(sources.server)
574 .copied()
575 .flatten()
576 .unwrap_or(sources.default.ok_or_else(Self::missing_default)?),
577 })
578 }
579
580 fn import_from_vscode(_vscode: &settings::VsCodeSettings, _current: &mut Self::FileContent) {}
581}
582
583impl Client {
584 pub fn new(
585 clock: Arc<dyn SystemClock>,
586 http: Arc<HttpClientWithUrl>,
587 cx: &mut App,
588 ) -> Arc<Self> {
589 Arc::new(Self {
590 id: AtomicU64::new(0),
591 peer: Peer::new(0),
592 telemetry: Telemetry::new(clock, http.clone(), cx),
593 cloud_client: Arc::new(CloudApiClient::new(http.clone())),
594 http,
595 credentials_provider: ClientCredentialsProvider::new(cx),
596 state: Default::default(),
597 handler_set: Default::default(),
598
599 #[cfg(any(test, feature = "test-support"))]
600 authenticate: Default::default(),
601 #[cfg(any(test, feature = "test-support"))]
602 establish_connection: Default::default(),
603 #[cfg(any(test, feature = "test-support"))]
604 rpc_url: RwLock::default(),
605 })
606 }
607
608 pub fn production(cx: &mut App) -> Arc<Self> {
609 let clock = Arc::new(clock::RealSystemClock);
610 let http = Arc::new(HttpClientWithUrl::new_url(
611 cx.http_client(),
612 &ClientSettings::get_global(cx).server_url,
613 cx.http_client().proxy().cloned(),
614 ));
615 Self::new(clock, http, cx)
616 }
617
618 pub fn id(&self) -> u64 {
619 self.id.load(Ordering::SeqCst)
620 }
621
622 pub fn http_client(&self) -> Arc<HttpClientWithUrl> {
623 self.http.clone()
624 }
625
626 pub fn cloud_client(&self) -> Arc<CloudApiClient> {
627 self.cloud_client.clone()
628 }
629
630 pub fn set_id(&self, id: u64) -> &Self {
631 self.id.store(id, Ordering::SeqCst);
632 self
633 }
634
635 #[cfg(any(test, feature = "test-support"))]
636 pub fn teardown(&self) {
637 let mut state = self.state.write();
638 state._reconnect_task.take();
639 self.handler_set.lock().clear();
640 self.peer.teardown();
641 }
642
643 #[cfg(any(test, feature = "test-support"))]
644 pub fn override_authenticate<F>(&self, authenticate: F) -> &Self
645 where
646 F: 'static + Send + Sync + Fn(&AsyncApp) -> Task<Result<Credentials>>,
647 {
648 *self.authenticate.write() = Some(Box::new(authenticate));
649 self
650 }
651
652 #[cfg(any(test, feature = "test-support"))]
653 pub fn override_establish_connection<F>(&self, connect: F) -> &Self
654 where
655 F: 'static
656 + Send
657 + Sync
658 + Fn(&Credentials, &AsyncApp) -> Task<Result<Connection, EstablishConnectionError>>,
659 {
660 *self.establish_connection.write() = Some(Box::new(connect));
661 self
662 }
663
664 #[cfg(any(test, feature = "test-support"))]
665 pub fn override_rpc_url(&self, url: Url) -> &Self {
666 *self.rpc_url.write() = Some(url);
667 self
668 }
669
670 pub fn global(cx: &App) -> Arc<Self> {
671 cx.global::<GlobalClient>().0.clone()
672 }
673 pub fn set_global(client: Arc<Client>, cx: &mut App) {
674 cx.set_global(GlobalClient(client))
675 }
676
677 pub fn user_id(&self) -> Option<u64> {
678 self.state
679 .read()
680 .credentials
681 .as_ref()
682 .map(|credentials| credentials.user_id)
683 }
684
685 pub fn peer_id(&self) -> Option<PeerId> {
686 if let Status::Connected { peer_id, .. } = &*self.status().borrow() {
687 Some(*peer_id)
688 } else {
689 None
690 }
691 }
692
693 pub fn status(&self) -> watch::Receiver<Status> {
694 self.state.read().status.1.clone()
695 }
696
697 fn set_status(self: &Arc<Self>, status: Status, cx: &AsyncApp) {
698 log::info!("set status on client {}: {:?}", self.id(), status);
699 let mut state = self.state.write();
700 *state.status.0.borrow_mut() = status;
701
702 match status {
703 Status::Connected { .. } => {
704 state._reconnect_task = None;
705 }
706 Status::ConnectionLost => {
707 let client = self.clone();
708 state._reconnect_task = Some(cx.spawn(async move |cx| {
709 #[cfg(any(test, feature = "test-support"))]
710 let mut rng = StdRng::seed_from_u64(0);
711 #[cfg(not(any(test, feature = "test-support")))]
712 let mut rng = StdRng::from_entropy();
713
714 let mut delay = INITIAL_RECONNECTION_DELAY;
715 loop {
716 match client.authenticate_and_connect(true, &cx).await {
717 ConnectionResult::Timeout => {
718 log::error!("client connect attempt timed out")
719 }
720 ConnectionResult::ConnectionReset => {
721 log::error!("client connect attempt reset")
722 }
723 ConnectionResult::Result(r) => {
724 if let Err(error) = r {
725 log::error!("failed to connect: {error}");
726 } else {
727 break;
728 }
729 }
730 }
731
732 if matches!(*client.status().borrow(), Status::ConnectionError) {
733 client.set_status(
734 Status::ReconnectionError {
735 next_reconnection: Instant::now() + delay,
736 },
737 &cx,
738 );
739 let jitter =
740 Duration::from_millis(rng.gen_range(0..delay.as_millis() as u64));
741 cx.background_executor().timer(delay + jitter).await;
742 delay = cmp::min(delay * 2, MAX_RECONNECTION_DELAY);
743 } else {
744 break;
745 }
746 }
747 }));
748 }
749 Status::SignedOut | Status::UpgradeRequired => {
750 self.telemetry.set_authenticated_user_info(None, false);
751 state._reconnect_task.take();
752 }
753 _ => {}
754 }
755 }
756
757 pub fn subscribe_to_entity<T>(
758 self: &Arc<Self>,
759 remote_id: u64,
760 ) -> Result<PendingEntitySubscription<T>>
761 where
762 T: 'static,
763 {
764 let id = (TypeId::of::<T>(), remote_id);
765
766 let mut state = self.handler_set.lock();
767 anyhow::ensure!(
768 !state.entities_by_type_and_remote_id.contains_key(&id),
769 "already subscribed to entity"
770 );
771
772 state
773 .entities_by_type_and_remote_id
774 .insert(id, EntityMessageSubscriber::Pending(Default::default()));
775
776 Ok(PendingEntitySubscription {
777 client: self.clone(),
778 remote_id,
779 consumed: false,
780 _entity_type: PhantomData,
781 })
782 }
783
784 #[track_caller]
785 pub fn add_message_handler<M, E, H, F>(
786 self: &Arc<Self>,
787 entity: WeakEntity<E>,
788 handler: H,
789 ) -> Subscription
790 where
791 M: EnvelopedMessage,
792 E: 'static,
793 H: 'static + Sync + Fn(Entity<E>, TypedEnvelope<M>, AsyncApp) -> F + Send + Sync,
794 F: 'static + Future<Output = Result<()>>,
795 {
796 self.add_message_handler_impl(entity, move |entity, message, _, cx| {
797 handler(entity, message, cx)
798 })
799 }
800
801 fn add_message_handler_impl<M, E, H, F>(
802 self: &Arc<Self>,
803 entity: WeakEntity<E>,
804 handler: H,
805 ) -> Subscription
806 where
807 M: EnvelopedMessage,
808 E: 'static,
809 H: 'static
810 + Sync
811 + Fn(Entity<E>, TypedEnvelope<M>, AnyProtoClient, AsyncApp) -> F
812 + Send
813 + Sync,
814 F: 'static + Future<Output = Result<()>>,
815 {
816 let message_type_id = TypeId::of::<M>();
817 let mut state = self.handler_set.lock();
818 state
819 .entities_by_message_type
820 .insert(message_type_id, entity.into());
821
822 let prev_handler = state.message_handlers.insert(
823 message_type_id,
824 Arc::new(move |subscriber, envelope, client, cx| {
825 let subscriber = subscriber.downcast::<E>().unwrap();
826 let envelope = envelope.into_any().downcast::<TypedEnvelope<M>>().unwrap();
827 handler(subscriber, *envelope, client.clone(), cx).boxed_local()
828 }),
829 );
830 if prev_handler.is_some() {
831 let location = std::panic::Location::caller();
832 panic!(
833 "{}:{} registered handler for the same message {} twice",
834 location.file(),
835 location.line(),
836 std::any::type_name::<M>()
837 );
838 }
839
840 Subscription::Message {
841 client: Arc::downgrade(self),
842 id: message_type_id,
843 }
844 }
845
846 pub fn add_request_handler<M, E, H, F>(
847 self: &Arc<Self>,
848 entity: WeakEntity<E>,
849 handler: H,
850 ) -> Subscription
851 where
852 M: RequestMessage,
853 E: 'static,
854 H: 'static + Sync + Fn(Entity<E>, TypedEnvelope<M>, AsyncApp) -> F + Send + Sync,
855 F: 'static + Future<Output = Result<M::Response>>,
856 {
857 self.add_message_handler_impl(entity, move |handle, envelope, this, cx| {
858 Self::respond_to_request(envelope.receipt(), handler(handle, envelope, cx), this)
859 })
860 }
861
862 async fn respond_to_request<T: RequestMessage, F: Future<Output = Result<T::Response>>>(
863 receipt: Receipt<T>,
864 response: F,
865 client: AnyProtoClient,
866 ) -> Result<()> {
867 match response.await {
868 Ok(response) => {
869 client.send_response(receipt.message_id, response)?;
870 Ok(())
871 }
872 Err(error) => {
873 client.send_response(receipt.message_id, error.to_proto())?;
874 Err(error)
875 }
876 }
877 }
878
879 pub async fn has_credentials(&self, cx: &AsyncApp) -> bool {
880 self.credentials_provider
881 .read_credentials(cx)
882 .await
883 .is_some()
884 }
885
886 #[async_recursion(?Send)]
887 pub async fn authenticate_and_connect(
888 self: &Arc<Self>,
889 try_provider: bool,
890 cx: &AsyncApp,
891 ) -> ConnectionResult<()> {
892 let was_disconnected = match *self.status().borrow() {
893 Status::SignedOut => true,
894 Status::ConnectionError
895 | Status::ConnectionLost
896 | Status::Authenticating { .. }
897 | Status::Reauthenticating { .. }
898 | Status::ReconnectionError { .. } => false,
899 Status::Connected { .. } | Status::Connecting { .. } | Status::Reconnecting { .. } => {
900 return ConnectionResult::Result(Ok(()));
901 }
902 Status::UpgradeRequired => {
903 return ConnectionResult::Result(
904 Err(EstablishConnectionError::UpgradeRequired)
905 .context("client auth and connect"),
906 );
907 }
908 };
909 if was_disconnected {
910 self.set_status(Status::Authenticating, cx);
911 } else {
912 self.set_status(Status::Reauthenticating, cx)
913 }
914
915 let mut read_from_provider = false;
916 let mut credentials = self.state.read().credentials.clone();
917 if credentials.is_none() && try_provider {
918 credentials = self.credentials_provider.read_credentials(cx).await;
919 read_from_provider = credentials.is_some();
920 }
921
922 if credentials.is_none() {
923 let mut status_rx = self.status();
924 let _ = status_rx.next().await;
925 futures::select_biased! {
926 authenticate = self.authenticate(cx).fuse() => {
927 match authenticate {
928 Ok(creds) => credentials = Some(creds),
929 Err(err) => {
930 self.set_status(Status::ConnectionError, cx);
931 return ConnectionResult::Result(Err(err));
932 }
933 }
934 }
935 _ = status_rx.next().fuse() => {
936 return ConnectionResult::Result(Err(anyhow!("authentication canceled")));
937 }
938 }
939 }
940 let credentials = credentials.unwrap();
941 self.set_id(credentials.user_id);
942 self.cloud_client
943 .set_credentials(credentials.user_id as u32, credentials.access_token.clone());
944
945 if was_disconnected {
946 self.set_status(Status::Connecting, cx);
947 } else {
948 self.set_status(Status::Reconnecting, cx);
949 }
950
951 let mut timeout =
952 futures::FutureExt::fuse(cx.background_executor().timer(CONNECTION_TIMEOUT));
953 futures::select_biased! {
954 connection = self.establish_connection(&credentials, cx).fuse() => {
955 match connection {
956 Ok(conn) => {
957 self.state.write().credentials = Some(credentials.clone());
958 if !read_from_provider && IMPERSONATE_LOGIN.is_none() {
959 self.credentials_provider.write_credentials(credentials.user_id, credentials.access_token, cx).await.log_err();
960 }
961
962 futures::select_biased! {
963 result = self.set_connection(conn, cx).fuse() => {
964 match result.context("client auth and connect") {
965 Ok(()) => ConnectionResult::Result(Ok(())),
966 Err(err) => {
967 self.set_status(Status::ConnectionError, cx);
968 ConnectionResult::Result(Err(err))
969 },
970 }
971 },
972 _ = timeout => {
973 self.set_status(Status::ConnectionError, cx);
974 ConnectionResult::Timeout
975 }
976 }
977 }
978 Err(EstablishConnectionError::Unauthorized) => {
979 self.state.write().credentials.take();
980 if read_from_provider {
981 self.credentials_provider.delete_credentials(cx).await.log_err();
982 self.set_status(Status::SignedOut, cx);
983 self.authenticate_and_connect(false, cx).await
984 } else {
985 self.set_status(Status::ConnectionError, cx);
986 ConnectionResult::Result(Err(EstablishConnectionError::Unauthorized).context("client auth and connect"))
987 }
988 }
989 Err(EstablishConnectionError::UpgradeRequired) => {
990 self.set_status(Status::UpgradeRequired, cx);
991 ConnectionResult::Result(Err(EstablishConnectionError::UpgradeRequired).context("client auth and connect"))
992 }
993 Err(error) => {
994 self.set_status(Status::ConnectionError, cx);
995 ConnectionResult::Result(Err(error).context("client auth and connect"))
996 }
997 }
998 }
999 _ = &mut timeout => {
1000 self.set_status(Status::ConnectionError, cx);
1001 ConnectionResult::Timeout
1002 }
1003 }
1004 }
1005
1006 async fn set_connection(self: &Arc<Self>, conn: Connection, cx: &AsyncApp) -> Result<()> {
1007 let executor = cx.background_executor();
1008 log::debug!("add connection to peer");
1009 let (connection_id, handle_io, mut incoming) = self.peer.add_connection(conn, {
1010 let executor = executor.clone();
1011 move |duration| executor.timer(duration)
1012 });
1013 let handle_io = executor.spawn(handle_io);
1014
1015 let peer_id = async {
1016 log::debug!("waiting for server hello");
1017 let message = incoming.next().await.context("no hello message received")?;
1018 log::debug!("got server hello");
1019 let hello_message_type_name = message.payload_type_name().to_string();
1020 let hello = message
1021 .into_any()
1022 .downcast::<TypedEnvelope<proto::Hello>>()
1023 .map_err(|_| {
1024 anyhow!(
1025 "invalid hello message received: {:?}",
1026 hello_message_type_name
1027 )
1028 })?;
1029 let peer_id = hello.payload.peer_id.context("invalid peer id")?;
1030 Ok(peer_id)
1031 };
1032
1033 let peer_id = match peer_id.await {
1034 Ok(peer_id) => peer_id,
1035 Err(error) => {
1036 self.peer.disconnect(connection_id);
1037 return Err(error);
1038 }
1039 };
1040
1041 log::debug!(
1042 "set status to connected (connection id: {:?}, peer id: {:?})",
1043 connection_id,
1044 peer_id
1045 );
1046 self.set_status(
1047 Status::Connected {
1048 peer_id,
1049 connection_id,
1050 },
1051 cx,
1052 );
1053
1054 cx.spawn({
1055 let this = self.clone();
1056 async move |cx| {
1057 while let Some(message) = incoming.next().await {
1058 this.handle_message(message, &cx);
1059 // Don't starve the main thread when receiving lots of messages at once.
1060 smol::future::yield_now().await;
1061 }
1062 }
1063 })
1064 .detach();
1065
1066 cx.spawn({
1067 let this = self.clone();
1068 async move |cx| match handle_io.await {
1069 Ok(()) => {
1070 if *this.status().borrow()
1071 == (Status::Connected {
1072 connection_id,
1073 peer_id,
1074 })
1075 {
1076 this.set_status(Status::SignedOut, &cx);
1077 }
1078 }
1079 Err(err) => {
1080 log::error!("connection error: {:?}", err);
1081 this.set_status(Status::ConnectionLost, &cx);
1082 }
1083 }
1084 })
1085 .detach();
1086
1087 Ok(())
1088 }
1089
1090 fn authenticate(self: &Arc<Self>, cx: &AsyncApp) -> Task<Result<Credentials>> {
1091 #[cfg(any(test, feature = "test-support"))]
1092 if let Some(callback) = self.authenticate.read().as_ref() {
1093 return callback(cx);
1094 }
1095
1096 self.authenticate_with_browser(cx)
1097 }
1098
1099 fn establish_connection(
1100 self: &Arc<Self>,
1101 credentials: &Credentials,
1102 cx: &AsyncApp,
1103 ) -> Task<Result<Connection, EstablishConnectionError>> {
1104 #[cfg(any(test, feature = "test-support"))]
1105 if let Some(callback) = self.establish_connection.read().as_ref() {
1106 return callback(credentials, cx);
1107 }
1108
1109 self.establish_websocket_connection(credentials, cx)
1110 }
1111
1112 fn rpc_url(
1113 &self,
1114 http: Arc<HttpClientWithUrl>,
1115 release_channel: Option<ReleaseChannel>,
1116 ) -> impl Future<Output = Result<url::Url>> + use<> {
1117 #[cfg(any(test, feature = "test-support"))]
1118 let url_override = self.rpc_url.read().clone();
1119
1120 async move {
1121 #[cfg(any(test, feature = "test-support"))]
1122 if let Some(url) = url_override {
1123 return Ok(url);
1124 }
1125
1126 if let Some(url) = &*ZED_RPC_URL {
1127 return Url::parse(url).context("invalid rpc url");
1128 }
1129
1130 let mut url = http.build_url("/rpc");
1131 if let Some(preview_param) =
1132 release_channel.and_then(|channel| channel.release_query_param())
1133 {
1134 url += "?";
1135 url += preview_param;
1136 }
1137
1138 let response = http.get(&url, Default::default(), false).await?;
1139 anyhow::ensure!(
1140 response.status().is_redirection(),
1141 "unexpected /rpc response status {}",
1142 response.status()
1143 );
1144 let collab_url = response
1145 .headers()
1146 .get("Location")
1147 .context("missing location header in /rpc response")?
1148 .to_str()
1149 .map_err(EstablishConnectionError::other)?
1150 .to_string();
1151 Url::parse(&collab_url).with_context(|| format!("parsing collab rpc url {collab_url}"))
1152 }
1153 }
1154
1155 fn establish_websocket_connection(
1156 self: &Arc<Self>,
1157 credentials: &Credentials,
1158 cx: &AsyncApp,
1159 ) -> Task<Result<Connection, EstablishConnectionError>> {
1160 let release_channel = cx
1161 .update(|cx| ReleaseChannel::try_global(cx))
1162 .ok()
1163 .flatten();
1164 let app_version = cx
1165 .update(|cx| AppVersion::global(cx).to_string())
1166 .ok()
1167 .unwrap_or_default();
1168
1169 let http = self.http.clone();
1170 let proxy = http.proxy().cloned();
1171 let user_agent = http.user_agent().cloned();
1172 let credentials = credentials.clone();
1173 let rpc_url = self.rpc_url(http, release_channel);
1174 let system_id = self.telemetry.system_id();
1175 let metrics_id = self.telemetry.metrics_id();
1176 cx.spawn(async move |cx| {
1177 use HttpOrHttps::*;
1178
1179 #[derive(Debug)]
1180 enum HttpOrHttps {
1181 Http,
1182 Https,
1183 }
1184
1185 let mut rpc_url = rpc_url.await?;
1186 let url_scheme = match rpc_url.scheme() {
1187 "https" => Https,
1188 "http" => Http,
1189 _ => Err(anyhow!("invalid rpc url: {}", rpc_url))?,
1190 };
1191 let rpc_host = rpc_url
1192 .host_str()
1193 .zip(rpc_url.port_or_known_default())
1194 .context("missing host in rpc url")?;
1195
1196 let stream = {
1197 let handle = cx.update(|cx| gpui_tokio::Tokio::handle(cx)).ok().unwrap();
1198 let _guard = handle.enter();
1199 match proxy {
1200 Some(proxy) => connect_proxy_stream(&proxy, rpc_host).await?,
1201 None => Box::new(TcpStream::connect(rpc_host).await?),
1202 }
1203 };
1204
1205 log::info!("connected to rpc endpoint {}", rpc_url);
1206
1207 rpc_url
1208 .set_scheme(match url_scheme {
1209 Https => "wss",
1210 Http => "ws",
1211 })
1212 .unwrap();
1213
1214 // We call `into_client_request` to let `tungstenite` construct the WebSocket request
1215 // for us from the RPC URL.
1216 //
1217 // Among other things, it will generate and set a `Sec-WebSocket-Key` header for us.
1218 let mut request = IntoClientRequest::into_client_request(rpc_url.as_str())?;
1219
1220 // We then modify the request to add our desired headers.
1221 let request_headers = request.headers_mut();
1222 request_headers.insert(
1223 http::header::AUTHORIZATION,
1224 HeaderValue::from_str(&credentials.authorization_header())?,
1225 );
1226 request_headers.insert(
1227 "x-zed-protocol-version",
1228 HeaderValue::from_str(&rpc::PROTOCOL_VERSION.to_string())?,
1229 );
1230 request_headers.insert("x-zed-app-version", HeaderValue::from_str(&app_version)?);
1231 request_headers.insert(
1232 "x-zed-release-channel",
1233 HeaderValue::from_str(release_channel.map(|r| r.dev_name()).unwrap_or("unknown"))?,
1234 );
1235 if let Some(user_agent) = user_agent {
1236 request_headers.insert(http::header::USER_AGENT, user_agent);
1237 }
1238 if let Some(system_id) = system_id {
1239 request_headers.insert("x-zed-system-id", HeaderValue::from_str(&system_id)?);
1240 }
1241 if let Some(metrics_id) = metrics_id {
1242 request_headers.insert("x-zed-metrics-id", HeaderValue::from_str(&metrics_id)?);
1243 }
1244
1245 let (stream, _) = async_tungstenite::tokio::client_async_tls_with_connector_and_config(
1246 request,
1247 stream,
1248 Some(Arc::new(http_client_tls::tls_config()).into()),
1249 None,
1250 )
1251 .await?;
1252
1253 Ok(Connection::new(
1254 stream
1255 .map_err(|error| anyhow!(error))
1256 .sink_map_err(|error| anyhow!(error)),
1257 ))
1258 })
1259 }
1260
1261 pub fn authenticate_with_browser(self: &Arc<Self>, cx: &AsyncApp) -> Task<Result<Credentials>> {
1262 let http = self.http.clone();
1263 let this = self.clone();
1264 cx.spawn(async move |cx| {
1265 let background = cx.background_executor().clone();
1266
1267 let (open_url_tx, open_url_rx) = oneshot::channel::<String>();
1268 cx.update(|cx| {
1269 cx.spawn(async move |cx| {
1270 let url = open_url_rx.await?;
1271 cx.update(|cx| cx.open_url(&url))
1272 })
1273 .detach_and_log_err(cx);
1274 })
1275 .log_err();
1276
1277 let credentials = background
1278 .clone()
1279 .spawn(async move {
1280 // Generate a pair of asymmetric encryption keys. The public key will be used by the
1281 // zed server to encrypt the user's access token, so that it can'be intercepted by
1282 // any other app running on the user's device.
1283 let (public_key, private_key) =
1284 rpc::auth::keypair().expect("failed to generate keypair for auth");
1285 let public_key_string = String::try_from(public_key)
1286 .expect("failed to serialize public key for auth");
1287
1288 if let Some((login, token)) =
1289 IMPERSONATE_LOGIN.as_ref().zip(ADMIN_API_TOKEN.as_ref())
1290 {
1291 eprintln!("authenticate as admin {login}, {token}");
1292
1293 return this
1294 .authenticate_as_admin(http, login.clone(), token.clone())
1295 .await;
1296 }
1297
1298 // Start an HTTP server to receive the redirect from Zed's sign-in page.
1299 let server =
1300 tiny_http::Server::http("127.0.0.1:0").expect("failed to find open port");
1301 let port = server.server_addr().port();
1302
1303 // Open the Zed sign-in page in the user's browser, with query parameters that indicate
1304 // that the user is signing in from a Zed app running on the same device.
1305 let mut url = http.build_url(&format!(
1306 "/native_app_signin?native_app_port={}&native_app_public_key={}",
1307 port, public_key_string
1308 ));
1309
1310 if let Some(impersonate_login) = IMPERSONATE_LOGIN.as_ref() {
1311 log::info!("impersonating user @{}", impersonate_login);
1312 write!(&mut url, "&impersonate={}", impersonate_login).unwrap();
1313 }
1314
1315 open_url_tx.send(url).log_err();
1316
1317 // Receive the HTTP request from the user's browser. Retrieve the user id and encrypted
1318 // access token from the query params.
1319 //
1320 // TODO - Avoid ever starting more than one HTTP server. Maybe switch to using a
1321 // custom URL scheme instead of this local HTTP server.
1322 let (user_id, access_token) = background
1323 .spawn(async move {
1324 for _ in 0..100 {
1325 if let Some(req) = server.recv_timeout(Duration::from_secs(1))? {
1326 let path = req.url();
1327 let mut user_id = None;
1328 let mut access_token = None;
1329 let url = Url::parse(&format!("http://example.com{}", path))
1330 .context("failed to parse login notification url")?;
1331 for (key, value) in url.query_pairs() {
1332 if key == "access_token" {
1333 access_token = Some(value.to_string());
1334 } else if key == "user_id" {
1335 user_id = Some(value.to_string());
1336 }
1337 }
1338
1339 let post_auth_url =
1340 http.build_url("/native_app_signin_succeeded");
1341 req.respond(
1342 tiny_http::Response::empty(302).with_header(
1343 tiny_http::Header::from_bytes(
1344 &b"Location"[..],
1345 post_auth_url.as_bytes(),
1346 )
1347 .unwrap(),
1348 ),
1349 )
1350 .context("failed to respond to login http request")?;
1351 return Ok((
1352 user_id.context("missing user_id parameter")?,
1353 access_token.context("missing access_token parameter")?,
1354 ));
1355 }
1356 }
1357
1358 anyhow::bail!("didn't receive login redirect");
1359 })
1360 .await?;
1361
1362 let access_token = private_key
1363 .decrypt_string(&access_token)
1364 .context("failed to decrypt access token")?;
1365
1366 Ok(Credentials {
1367 user_id: user_id.parse()?,
1368 access_token,
1369 })
1370 })
1371 .await?;
1372
1373 cx.update(|cx| cx.activate(true))?;
1374 Ok(credentials)
1375 })
1376 }
1377
1378 async fn authenticate_as_admin(
1379 self: &Arc<Self>,
1380 http: Arc<HttpClientWithUrl>,
1381 login: String,
1382 mut api_token: String,
1383 ) -> Result<Credentials> {
1384 #[derive(Deserialize)]
1385 struct AuthenticatedUserResponse {
1386 user: User,
1387 }
1388
1389 #[derive(Deserialize)]
1390 struct User {
1391 id: u64,
1392 }
1393
1394 let github_user = {
1395 #[derive(Deserialize)]
1396 struct GithubUser {
1397 id: i32,
1398 login: String,
1399 created_at: DateTime<Utc>,
1400 }
1401
1402 let request = {
1403 let mut request_builder =
1404 Request::get(&format!("https://api.github.com/users/{login}"));
1405 if let Ok(github_token) = std::env::var("GITHUB_TOKEN") {
1406 request_builder =
1407 request_builder.header("Authorization", format!("Bearer {}", github_token));
1408 }
1409
1410 request_builder.body(AsyncBody::empty())?
1411 };
1412
1413 let mut response = http
1414 .send(request)
1415 .await
1416 .context("error fetching GitHub user")?;
1417
1418 let mut body = Vec::new();
1419 response
1420 .body_mut()
1421 .read_to_end(&mut body)
1422 .await
1423 .context("error reading GitHub user")?;
1424
1425 if !response.status().is_success() {
1426 let text = String::from_utf8_lossy(body.as_slice());
1427 bail!(
1428 "status error {}, response: {text:?}",
1429 response.status().as_u16()
1430 );
1431 }
1432
1433 serde_json::from_slice::<GithubUser>(body.as_slice()).map_err(|err| {
1434 log::error!("Error deserializing: {:?}", err);
1435 log::error!(
1436 "GitHub API response text: {:?}",
1437 String::from_utf8_lossy(body.as_slice())
1438 );
1439 anyhow!("error deserializing GitHub user")
1440 })?
1441 };
1442
1443 let query_params = [
1444 ("github_login", &github_user.login),
1445 ("github_user_id", &github_user.id.to_string()),
1446 (
1447 "github_user_created_at",
1448 &github_user.created_at.to_rfc3339(),
1449 ),
1450 ];
1451
1452 // Use the collab server's admin API to retrieve the ID
1453 // of the impersonated user.
1454 let mut url = self.rpc_url(http.clone(), None).await?;
1455 url.set_path("/user");
1456 url.set_query(Some(
1457 &query_params
1458 .iter()
1459 .map(|(key, value)| {
1460 format!(
1461 "{}={}",
1462 key,
1463 url::form_urlencoded::byte_serialize(value.as_bytes()).collect::<String>()
1464 )
1465 })
1466 .collect::<Vec<String>>()
1467 .join("&"),
1468 ));
1469 let request: http_client::Request<AsyncBody> = Request::get(url.as_str())
1470 .header("Authorization", format!("token {api_token}"))
1471 .body("".into())?;
1472
1473 let mut response = http.send(request).await?;
1474 let mut body = String::new();
1475 response.body_mut().read_to_string(&mut body).await?;
1476 anyhow::ensure!(
1477 response.status().is_success(),
1478 "admin user request failed {} - {}",
1479 response.status().as_u16(),
1480 body,
1481 );
1482 let response: AuthenticatedUserResponse = serde_json::from_str(&body)?;
1483
1484 // Use the admin API token to authenticate as the impersonated user.
1485 api_token.insert_str(0, "ADMIN_TOKEN:");
1486 Ok(Credentials {
1487 user_id: response.user.id,
1488 access_token: api_token,
1489 })
1490 }
1491
1492 pub async fn sign_out(self: &Arc<Self>, cx: &AsyncApp) {
1493 self.state.write().credentials = None;
1494 self.disconnect(cx);
1495
1496 if self.has_credentials(cx).await {
1497 self.credentials_provider
1498 .delete_credentials(cx)
1499 .await
1500 .log_err();
1501 }
1502 }
1503
1504 pub fn disconnect(self: &Arc<Self>, cx: &AsyncApp) {
1505 self.peer.teardown();
1506 self.set_status(Status::SignedOut, cx);
1507 }
1508
1509 pub fn reconnect(self: &Arc<Self>, cx: &AsyncApp) {
1510 self.peer.teardown();
1511 self.set_status(Status::ConnectionLost, cx);
1512 }
1513
1514 fn connection_id(&self) -> Result<ConnectionId> {
1515 if let Status::Connected { connection_id, .. } = *self.status().borrow() {
1516 Ok(connection_id)
1517 } else {
1518 anyhow::bail!("not connected");
1519 }
1520 }
1521
1522 pub fn send<T: EnvelopedMessage>(&self, message: T) -> Result<()> {
1523 log::debug!("rpc send. client_id:{}, name:{}", self.id(), T::NAME);
1524 self.peer.send(self.connection_id()?, message)
1525 }
1526
1527 pub fn request<T: RequestMessage>(
1528 &self,
1529 request: T,
1530 ) -> impl Future<Output = Result<T::Response>> + use<T> {
1531 self.request_envelope(request)
1532 .map_ok(|envelope| envelope.payload)
1533 }
1534
1535 pub fn request_stream<T: RequestMessage>(
1536 &self,
1537 request: T,
1538 ) -> impl Future<Output = Result<impl Stream<Item = Result<T::Response>>>> {
1539 let client_id = self.id.load(Ordering::SeqCst);
1540 log::debug!(
1541 "rpc request start. client_id:{}. name:{}",
1542 client_id,
1543 T::NAME
1544 );
1545 let response = self
1546 .connection_id()
1547 .map(|conn_id| self.peer.request_stream(conn_id, request));
1548 async move {
1549 let response = response?.await;
1550 log::debug!(
1551 "rpc request finish. client_id:{}. name:{}",
1552 client_id,
1553 T::NAME
1554 );
1555 response
1556 }
1557 }
1558
1559 pub fn request_envelope<T: RequestMessage>(
1560 &self,
1561 request: T,
1562 ) -> impl Future<Output = Result<TypedEnvelope<T::Response>>> + use<T> {
1563 let client_id = self.id();
1564 log::debug!(
1565 "rpc request start. client_id:{}. name:{}",
1566 client_id,
1567 T::NAME
1568 );
1569 let response = self
1570 .connection_id()
1571 .map(|conn_id| self.peer.request_envelope(conn_id, request));
1572 async move {
1573 let response = response?.await;
1574 log::debug!(
1575 "rpc request finish. client_id:{}. name:{}",
1576 client_id,
1577 T::NAME
1578 );
1579 response
1580 }
1581 }
1582
1583 pub fn request_dynamic(
1584 &self,
1585 envelope: proto::Envelope,
1586 request_type: &'static str,
1587 ) -> impl Future<Output = Result<proto::Envelope>> + use<> {
1588 let client_id = self.id();
1589 log::debug!(
1590 "rpc request start. client_id:{}. name:{}",
1591 client_id,
1592 request_type
1593 );
1594 let response = self
1595 .connection_id()
1596 .map(|conn_id| self.peer.request_dynamic(conn_id, envelope, request_type));
1597 async move {
1598 let response = response?.await;
1599 log::debug!(
1600 "rpc request finish. client_id:{}. name:{}",
1601 client_id,
1602 request_type
1603 );
1604 Ok(response?.0)
1605 }
1606 }
1607
1608 fn handle_message(self: &Arc<Client>, message: Box<dyn AnyTypedEnvelope>, cx: &AsyncApp) {
1609 let sender_id = message.sender_id();
1610 let request_id = message.message_id();
1611 let type_name = message.payload_type_name();
1612 let original_sender_id = message.original_sender_id();
1613
1614 if let Some(future) = ProtoMessageHandlerSet::handle_message(
1615 &self.handler_set,
1616 message,
1617 self.clone().into(),
1618 cx.clone(),
1619 ) {
1620 let client_id = self.id();
1621 log::debug!(
1622 "rpc message received. client_id:{}, sender_id:{:?}, type:{}",
1623 client_id,
1624 original_sender_id,
1625 type_name
1626 );
1627 cx.spawn(async move |_| match future.await {
1628 Ok(()) => {
1629 log::debug!(
1630 "rpc message handled. client_id:{}, sender_id:{:?}, type:{}",
1631 client_id,
1632 original_sender_id,
1633 type_name
1634 );
1635 }
1636 Err(error) => {
1637 log::error!(
1638 "error handling message. client_id:{}, sender_id:{:?}, type:{}, error:{:?}",
1639 client_id,
1640 original_sender_id,
1641 type_name,
1642 error
1643 );
1644 }
1645 })
1646 .detach();
1647 } else {
1648 log::info!("unhandled message {}", type_name);
1649 self.peer
1650 .respond_with_unhandled_message(sender_id.into(), request_id, type_name)
1651 .log_err();
1652 }
1653 }
1654
1655 pub fn telemetry(&self) -> &Arc<Telemetry> {
1656 &self.telemetry
1657 }
1658}
1659
1660impl ProtoClient for Client {
1661 fn request(
1662 &self,
1663 envelope: proto::Envelope,
1664 request_type: &'static str,
1665 ) -> BoxFuture<'static, Result<proto::Envelope>> {
1666 self.request_dynamic(envelope, request_type).boxed()
1667 }
1668
1669 fn send(&self, envelope: proto::Envelope, message_type: &'static str) -> Result<()> {
1670 log::debug!("rpc send. client_id:{}, name:{}", self.id(), message_type);
1671 let connection_id = self.connection_id()?;
1672 self.peer.send_dynamic(connection_id, envelope)
1673 }
1674
1675 fn send_response(&self, envelope: proto::Envelope, message_type: &'static str) -> Result<()> {
1676 log::debug!(
1677 "rpc respond. client_id:{}, name:{}",
1678 self.id(),
1679 message_type
1680 );
1681 let connection_id = self.connection_id()?;
1682 self.peer.send_dynamic(connection_id, envelope)
1683 }
1684
1685 fn message_handler_set(&self) -> &parking_lot::Mutex<ProtoMessageHandlerSet> {
1686 &self.handler_set
1687 }
1688
1689 fn is_via_collab(&self) -> bool {
1690 true
1691 }
1692}
1693
1694/// prefix for the zed:// url scheme
1695pub const ZED_URL_SCHEME: &str = "zed";
1696
1697/// Parses the given link into a Zed link.
1698///
1699/// Returns a [`Some`] containing the unprefixed link if the link is a Zed link.
1700/// Returns [`None`] otherwise.
1701pub fn parse_zed_link<'a>(link: &'a str, cx: &App) -> Option<&'a str> {
1702 let server_url = &ClientSettings::get_global(cx).server_url;
1703 if let Some(stripped) = link
1704 .strip_prefix(server_url)
1705 .and_then(|result| result.strip_prefix('/'))
1706 {
1707 return Some(stripped);
1708 }
1709 if let Some(stripped) = link
1710 .strip_prefix(ZED_URL_SCHEME)
1711 .and_then(|result| result.strip_prefix("://"))
1712 {
1713 return Some(stripped);
1714 }
1715
1716 None
1717}
1718
1719#[cfg(test)]
1720mod tests {
1721 use super::*;
1722 use crate::test::FakeServer;
1723
1724 use clock::FakeSystemClock;
1725 use gpui::{AppContext as _, BackgroundExecutor, TestAppContext};
1726 use http_client::FakeHttpClient;
1727 use parking_lot::Mutex;
1728 use proto::TypedEnvelope;
1729 use settings::SettingsStore;
1730 use std::future;
1731
1732 #[gpui::test(iterations = 10)]
1733 async fn test_reconnection(cx: &mut TestAppContext) {
1734 init_test(cx);
1735 let user_id = 5;
1736 let client = cx.update(|cx| {
1737 Client::new(
1738 Arc::new(FakeSystemClock::new()),
1739 FakeHttpClient::with_404_response(),
1740 cx,
1741 )
1742 });
1743 let server = FakeServer::for_client(user_id, &client, cx).await;
1744 let mut status = client.status();
1745 assert!(matches!(
1746 status.next().await,
1747 Some(Status::Connected { .. })
1748 ));
1749 assert_eq!(server.auth_count(), 1);
1750
1751 server.forbid_connections();
1752 server.disconnect();
1753 while !matches!(status.next().await, Some(Status::ReconnectionError { .. })) {}
1754
1755 server.allow_connections();
1756 cx.executor().advance_clock(Duration::from_secs(10));
1757 while !matches!(status.next().await, Some(Status::Connected { .. })) {}
1758 assert_eq!(server.auth_count(), 1); // Client reused the cached credentials when reconnecting
1759
1760 server.forbid_connections();
1761 server.disconnect();
1762 while !matches!(status.next().await, Some(Status::ReconnectionError { .. })) {}
1763
1764 // Clear cached credentials after authentication fails
1765 server.roll_access_token();
1766 server.allow_connections();
1767 cx.executor().run_until_parked();
1768 cx.executor().advance_clock(Duration::from_secs(10));
1769 while !matches!(status.next().await, Some(Status::Connected { .. })) {}
1770 assert_eq!(server.auth_count(), 2); // Client re-authenticated due to an invalid token
1771 }
1772
1773 #[gpui::test(iterations = 10)]
1774 async fn test_connection_timeout(executor: BackgroundExecutor, cx: &mut TestAppContext) {
1775 init_test(cx);
1776 let user_id = 5;
1777 let client = cx.update(|cx| {
1778 Client::new(
1779 Arc::new(FakeSystemClock::new()),
1780 FakeHttpClient::with_404_response(),
1781 cx,
1782 )
1783 });
1784 let mut status = client.status();
1785
1786 // Time out when client tries to connect.
1787 client.override_authenticate(move |cx| {
1788 cx.background_spawn(async move {
1789 Ok(Credentials {
1790 user_id,
1791 access_token: "token".into(),
1792 })
1793 })
1794 });
1795 client.override_establish_connection(|_, cx| {
1796 cx.background_spawn(async move {
1797 future::pending::<()>().await;
1798 unreachable!()
1799 })
1800 });
1801 let auth_and_connect = cx.spawn({
1802 let client = client.clone();
1803 |cx| async move { client.authenticate_and_connect(false, &cx).await }
1804 });
1805 executor.run_until_parked();
1806 assert!(matches!(status.next().await, Some(Status::Connecting)));
1807
1808 executor.advance_clock(CONNECTION_TIMEOUT);
1809 assert!(matches!(
1810 status.next().await,
1811 Some(Status::ConnectionError { .. })
1812 ));
1813 auth_and_connect.await.into_response().unwrap_err();
1814
1815 // Allow the connection to be established.
1816 let server = FakeServer::for_client(user_id, &client, cx).await;
1817 assert!(matches!(
1818 status.next().await,
1819 Some(Status::Connected { .. })
1820 ));
1821
1822 // Disconnect client.
1823 server.forbid_connections();
1824 server.disconnect();
1825 while !matches!(status.next().await, Some(Status::ReconnectionError { .. })) {}
1826
1827 // Time out when re-establishing the connection.
1828 server.allow_connections();
1829 client.override_establish_connection(|_, cx| {
1830 cx.background_spawn(async move {
1831 future::pending::<()>().await;
1832 unreachable!()
1833 })
1834 });
1835 executor.advance_clock(2 * INITIAL_RECONNECTION_DELAY);
1836 assert!(matches!(
1837 status.next().await,
1838 Some(Status::Reconnecting { .. })
1839 ));
1840
1841 executor.advance_clock(CONNECTION_TIMEOUT);
1842 assert!(matches!(
1843 status.next().await,
1844 Some(Status::ReconnectionError { .. })
1845 ));
1846 }
1847
1848 #[gpui::test(iterations = 10)]
1849 async fn test_authenticating_more_than_once(
1850 cx: &mut TestAppContext,
1851 executor: BackgroundExecutor,
1852 ) {
1853 init_test(cx);
1854 let auth_count = Arc::new(Mutex::new(0));
1855 let dropped_auth_count = Arc::new(Mutex::new(0));
1856 let client = cx.update(|cx| {
1857 Client::new(
1858 Arc::new(FakeSystemClock::new()),
1859 FakeHttpClient::with_404_response(),
1860 cx,
1861 )
1862 });
1863 client.override_authenticate({
1864 let auth_count = auth_count.clone();
1865 let dropped_auth_count = dropped_auth_count.clone();
1866 move |cx| {
1867 let auth_count = auth_count.clone();
1868 let dropped_auth_count = dropped_auth_count.clone();
1869 cx.background_spawn(async move {
1870 *auth_count.lock() += 1;
1871 let _drop = util::defer(move || *dropped_auth_count.lock() += 1);
1872 future::pending::<()>().await;
1873 unreachable!()
1874 })
1875 }
1876 });
1877
1878 let _authenticate = cx.spawn({
1879 let client = client.clone();
1880 move |cx| async move { client.authenticate_and_connect(false, &cx).await }
1881 });
1882 executor.run_until_parked();
1883 assert_eq!(*auth_count.lock(), 1);
1884 assert_eq!(*dropped_auth_count.lock(), 0);
1885
1886 let _authenticate = cx.spawn({
1887 let client = client.clone();
1888 |cx| async move { client.authenticate_and_connect(false, &cx).await }
1889 });
1890 executor.run_until_parked();
1891 assert_eq!(*auth_count.lock(), 2);
1892 assert_eq!(*dropped_auth_count.lock(), 1);
1893 }
1894
1895 #[gpui::test]
1896 async fn test_subscribing_to_entity(cx: &mut TestAppContext) {
1897 init_test(cx);
1898 let user_id = 5;
1899 let client = cx.update(|cx| {
1900 Client::new(
1901 Arc::new(FakeSystemClock::new()),
1902 FakeHttpClient::with_404_response(),
1903 cx,
1904 )
1905 });
1906 let server = FakeServer::for_client(user_id, &client, cx).await;
1907
1908 let (done_tx1, done_rx1) = smol::channel::unbounded();
1909 let (done_tx2, done_rx2) = smol::channel::unbounded();
1910 AnyProtoClient::from(client.clone()).add_entity_message_handler(
1911 move |entity: Entity<TestEntity>, _: TypedEnvelope<proto::JoinProject>, mut cx| {
1912 match entity.read_with(&mut cx, |entity, _| entity.id).unwrap() {
1913 1 => done_tx1.try_send(()).unwrap(),
1914 2 => done_tx2.try_send(()).unwrap(),
1915 _ => unreachable!(),
1916 }
1917 async { Ok(()) }
1918 },
1919 );
1920 let entity1 = cx.new(|_| TestEntity {
1921 id: 1,
1922 subscription: None,
1923 });
1924 let entity2 = cx.new(|_| TestEntity {
1925 id: 2,
1926 subscription: None,
1927 });
1928 let entity3 = cx.new(|_| TestEntity {
1929 id: 3,
1930 subscription: None,
1931 });
1932
1933 let _subscription1 = client
1934 .subscribe_to_entity(1)
1935 .unwrap()
1936 .set_entity(&entity1, &mut cx.to_async());
1937 let _subscription2 = client
1938 .subscribe_to_entity(2)
1939 .unwrap()
1940 .set_entity(&entity2, &mut cx.to_async());
1941 // Ensure dropping a subscription for the same entity type still allows receiving of
1942 // messages for other entity IDs of the same type.
1943 let subscription3 = client
1944 .subscribe_to_entity(3)
1945 .unwrap()
1946 .set_entity(&entity3, &mut cx.to_async());
1947 drop(subscription3);
1948
1949 server.send(proto::JoinProject {
1950 project_id: 1,
1951 committer_name: None,
1952 committer_email: None,
1953 });
1954 server.send(proto::JoinProject {
1955 project_id: 2,
1956 committer_name: None,
1957 committer_email: None,
1958 });
1959 done_rx1.recv().await.unwrap();
1960 done_rx2.recv().await.unwrap();
1961 }
1962
1963 #[gpui::test]
1964 async fn test_subscribing_after_dropping_subscription(cx: &mut TestAppContext) {
1965 init_test(cx);
1966 let user_id = 5;
1967 let client = cx.update(|cx| {
1968 Client::new(
1969 Arc::new(FakeSystemClock::new()),
1970 FakeHttpClient::with_404_response(),
1971 cx,
1972 )
1973 });
1974 let server = FakeServer::for_client(user_id, &client, cx).await;
1975
1976 let entity = cx.new(|_| TestEntity::default());
1977 let (done_tx1, _done_rx1) = smol::channel::unbounded();
1978 let (done_tx2, done_rx2) = smol::channel::unbounded();
1979 let subscription1 = client.add_message_handler(
1980 entity.downgrade(),
1981 move |_, _: TypedEnvelope<proto::Ping>, _| {
1982 done_tx1.try_send(()).unwrap();
1983 async { Ok(()) }
1984 },
1985 );
1986 drop(subscription1);
1987 let _subscription2 = client.add_message_handler(
1988 entity.downgrade(),
1989 move |_, _: TypedEnvelope<proto::Ping>, _| {
1990 done_tx2.try_send(()).unwrap();
1991 async { Ok(()) }
1992 },
1993 );
1994 server.send(proto::Ping {});
1995 done_rx2.recv().await.unwrap();
1996 }
1997
1998 #[gpui::test]
1999 async fn test_dropping_subscription_in_handler(cx: &mut TestAppContext) {
2000 init_test(cx);
2001 let user_id = 5;
2002 let client = cx.update(|cx| {
2003 Client::new(
2004 Arc::new(FakeSystemClock::new()),
2005 FakeHttpClient::with_404_response(),
2006 cx,
2007 )
2008 });
2009 let server = FakeServer::for_client(user_id, &client, cx).await;
2010
2011 let entity = cx.new(|_| TestEntity::default());
2012 let (done_tx, done_rx) = smol::channel::unbounded();
2013 let subscription = client.add_message_handler(
2014 entity.clone().downgrade(),
2015 move |entity: Entity<TestEntity>, _: TypedEnvelope<proto::Ping>, mut cx| {
2016 entity
2017 .update(&mut cx, |entity, _| entity.subscription.take())
2018 .unwrap();
2019 done_tx.try_send(()).unwrap();
2020 async { Ok(()) }
2021 },
2022 );
2023 entity.update(cx, |entity, _| {
2024 entity.subscription = Some(subscription);
2025 });
2026 server.send(proto::Ping {});
2027 done_rx.recv().await.unwrap();
2028 }
2029
2030 #[derive(Default)]
2031 struct TestEntity {
2032 id: usize,
2033 subscription: Option<Subscription>,
2034 }
2035
2036 fn init_test(cx: &mut TestAppContext) {
2037 cx.update(|cx| {
2038 let settings_store = SettingsStore::test(cx);
2039 cx.set_global(settings_store);
2040 init_settings(cx);
2041 });
2042 }
2043}