1#[cfg(any(test, feature = "test-support"))]
2pub mod test;
3
4mod proxy;
5pub mod telemetry;
6pub mod user;
7pub mod zed_urls;
8
9use anyhow::{Context as _, Result, anyhow};
10use async_tungstenite::tungstenite::{
11 client::IntoClientRequest,
12 error::Error as WebsocketError,
13 http::{HeaderValue, Request, StatusCode},
14};
15use clock::SystemClock;
16use cloud_api_client::CloudApiClient;
17use cloud_api_client::websocket_protocol::MessageToClient;
18use credentials_provider::CredentialsProvider;
19use feature_flags::FeatureFlagAppExt as _;
20use futures::{
21 AsyncReadExt, FutureExt, SinkExt, Stream, StreamExt, TryFutureExt as _, TryStreamExt,
22 channel::oneshot, future::BoxFuture,
23};
24use gpui::{App, AsyncApp, Entity, Global, Task, WeakEntity, actions};
25use http_client::{HttpClient, HttpClientWithUrl, http, read_proxy_from_env};
26use parking_lot::RwLock;
27use postage::watch;
28use proxy::connect_proxy_stream;
29use rand::prelude::*;
30use release_channel::{AppVersion, ReleaseChannel};
31use rpc::proto::{AnyTypedEnvelope, EnvelopedMessage, PeerId, RequestMessage};
32use serde::{Deserialize, Serialize};
33use settings::{RegisterSetting, Settings, SettingsContent};
34use std::{
35 any::TypeId,
36 convert::TryFrom,
37 fmt::Write as _,
38 future::Future,
39 marker::PhantomData,
40 path::PathBuf,
41 sync::{
42 Arc, LazyLock, Weak,
43 atomic::{AtomicU64, Ordering},
44 },
45 time::{Duration, Instant},
46};
47use std::{cmp, pin::Pin};
48use telemetry::Telemetry;
49use thiserror::Error;
50use tokio::net::TcpStream;
51use url::Url;
52use util::{ConnectionResult, ResultExt};
53
54pub use rpc::*;
55pub use telemetry_events::Event;
56pub use user::*;
57
58static ZED_SERVER_URL: LazyLock<Option<String>> =
59 LazyLock::new(|| std::env::var("ZED_SERVER_URL").ok());
60static ZED_RPC_URL: LazyLock<Option<String>> = LazyLock::new(|| std::env::var("ZED_RPC_URL").ok());
61
62pub static IMPERSONATE_LOGIN: LazyLock<Option<String>> = LazyLock::new(|| {
63 std::env::var("ZED_IMPERSONATE")
64 .ok()
65 .and_then(|s| if s.is_empty() { None } else { Some(s) })
66});
67
68pub static USE_WEB_LOGIN: LazyLock<bool> = LazyLock::new(|| std::env::var("ZED_WEB_LOGIN").is_ok());
69
70pub static ADMIN_API_TOKEN: LazyLock<Option<String>> = LazyLock::new(|| {
71 std::env::var("ZED_ADMIN_API_TOKEN")
72 .ok()
73 .and_then(|s| if s.is_empty() { None } else { Some(s) })
74});
75
76pub static ZED_APP_PATH: LazyLock<Option<PathBuf>> =
77 LazyLock::new(|| std::env::var("ZED_APP_PATH").ok().map(PathBuf::from));
78
79pub static ZED_ALWAYS_ACTIVE: LazyLock<bool> =
80 LazyLock::new(|| std::env::var("ZED_ALWAYS_ACTIVE").is_ok_and(|e| !e.is_empty()));
81
82pub const INITIAL_RECONNECTION_DELAY: Duration = Duration::from_millis(500);
83pub const MAX_RECONNECTION_DELAY: Duration = Duration::from_secs(30);
84pub const CONNECTION_TIMEOUT: Duration = Duration::from_secs(20);
85
86actions!(
87 client,
88 [
89 /// Signs in to Zed account.
90 SignIn,
91 /// Signs out of Zed account.
92 SignOut,
93 /// Reconnects to the collaboration server.
94 Reconnect
95 ]
96);
97
98#[derive(Deserialize, RegisterSetting)]
99pub struct ClientSettings {
100 pub server_url: String,
101}
102
103impl Settings for ClientSettings {
104 fn from_settings(content: &settings::SettingsContent) -> Self {
105 if let Some(server_url) = &*ZED_SERVER_URL {
106 return Self {
107 server_url: server_url.clone(),
108 };
109 }
110 Self {
111 server_url: content.server_url.clone().unwrap(),
112 }
113 }
114}
115
116#[derive(Deserialize, Default, RegisterSetting)]
117pub struct ProxySettings {
118 pub proxy: Option<String>,
119}
120
121impl ProxySettings {
122 pub fn proxy_url(&self) -> Option<Url> {
123 self.proxy
124 .as_deref()
125 .map(str::trim)
126 .filter(|input| !input.is_empty())
127 .and_then(|input| {
128 input
129 .parse::<Url>()
130 .inspect_err(|e| log::error!("Error parsing proxy settings: {}", e))
131 .ok()
132 })
133 .or_else(read_proxy_from_env)
134 }
135}
136
137impl Settings for ProxySettings {
138 fn from_settings(content: &settings::SettingsContent) -> Self {
139 Self {
140 proxy: content
141 .proxy
142 .as_deref()
143 .map(str::trim)
144 .filter(|proxy| !proxy.is_empty())
145 .map(ToOwned::to_owned),
146 }
147 }
148}
149
150pub fn init(client: &Arc<Client>, cx: &mut App) {
151 let client = Arc::downgrade(client);
152 cx.on_action({
153 let client = client.clone();
154 move |_: &SignIn, cx| {
155 if let Some(client) = client.upgrade() {
156 cx.spawn(async move |cx| client.sign_in_with_optional_connect(true, cx).await)
157 .detach_and_log_err(cx);
158 }
159 }
160 })
161 .on_action({
162 let client = client.clone();
163 move |_: &SignOut, cx| {
164 if let Some(client) = client.upgrade() {
165 cx.spawn(async move |cx| {
166 client.sign_out(cx).await;
167 })
168 .detach();
169 }
170 }
171 })
172 .on_action({
173 let client = client;
174 move |_: &Reconnect, cx| {
175 if let Some(client) = client.upgrade() {
176 cx.spawn(async move |cx| {
177 client.reconnect(cx);
178 })
179 .detach();
180 }
181 }
182 });
183}
184
185pub type MessageToClientHandler = Box<dyn Fn(&MessageToClient, &mut App) + Send + Sync + 'static>;
186
187struct GlobalClient(Arc<Client>);
188
189impl Global for GlobalClient {}
190
191pub struct Client {
192 id: AtomicU64,
193 peer: Arc<Peer>,
194 http: Arc<HttpClientWithUrl>,
195 cloud_client: Arc<CloudApiClient>,
196 telemetry: Arc<Telemetry>,
197 credentials_provider: ClientCredentialsProvider,
198 state: RwLock<ClientState>,
199 handler_set: parking_lot::Mutex<ProtoMessageHandlerSet>,
200 message_to_client_handlers: parking_lot::Mutex<Vec<MessageToClientHandler>>,
201
202 #[allow(clippy::type_complexity)]
203 #[cfg(any(test, feature = "test-support"))]
204 authenticate:
205 RwLock<Option<Box<dyn 'static + Send + Sync + Fn(&AsyncApp) -> Task<Result<Credentials>>>>>,
206
207 #[allow(clippy::type_complexity)]
208 #[cfg(any(test, feature = "test-support"))]
209 establish_connection: RwLock<
210 Option<
211 Box<
212 dyn 'static
213 + Send
214 + Sync
215 + Fn(
216 &Credentials,
217 &AsyncApp,
218 ) -> Task<Result<Connection, EstablishConnectionError>>,
219 >,
220 >,
221 >,
222
223 #[cfg(any(test, feature = "test-support"))]
224 rpc_url: RwLock<Option<Url>>,
225}
226
227#[derive(Error, Debug)]
228pub enum EstablishConnectionError {
229 #[error("upgrade required")]
230 UpgradeRequired,
231 #[error("unauthorized")]
232 Unauthorized,
233 #[error("{0}")]
234 Other(#[from] anyhow::Error),
235 #[error("{0}")]
236 InvalidHeaderValue(#[from] async_tungstenite::tungstenite::http::header::InvalidHeaderValue),
237 #[error("{0}")]
238 Io(#[from] std::io::Error),
239 #[error("{0}")]
240 Websocket(#[from] async_tungstenite::tungstenite::http::Error),
241}
242
243impl From<WebsocketError> for EstablishConnectionError {
244 fn from(error: WebsocketError) -> Self {
245 if let WebsocketError::Http(response) = &error {
246 match response.status() {
247 StatusCode::UNAUTHORIZED => return EstablishConnectionError::Unauthorized,
248 StatusCode::UPGRADE_REQUIRED => return EstablishConnectionError::UpgradeRequired,
249 _ => {}
250 }
251 }
252 EstablishConnectionError::Other(error.into())
253 }
254}
255
256impl EstablishConnectionError {
257 pub fn other(error: impl Into<anyhow::Error> + Send + Sync) -> Self {
258 Self::Other(error.into())
259 }
260}
261
262#[derive(Copy, Clone, Debug, PartialEq)]
263pub enum Status {
264 SignedOut,
265 UpgradeRequired,
266 Authenticating,
267 Authenticated,
268 AuthenticationError,
269 Connecting,
270 ConnectionError,
271 Connected {
272 peer_id: PeerId,
273 connection_id: ConnectionId,
274 },
275 ConnectionLost,
276 Reauthenticating,
277 Reauthenticated,
278 Reconnecting,
279 ReconnectionError {
280 next_reconnection: Instant,
281 },
282}
283
284impl Status {
285 pub fn is_connected(&self) -> bool {
286 matches!(self, Self::Connected { .. })
287 }
288
289 pub fn was_connected(&self) -> bool {
290 matches!(
291 self,
292 Self::ConnectionLost
293 | Self::Reauthenticating
294 | Self::Reauthenticated
295 | Self::Reconnecting
296 )
297 }
298
299 /// Returns whether the client is currently connected or was connected at some point.
300 pub fn is_or_was_connected(&self) -> bool {
301 self.is_connected() || self.was_connected()
302 }
303
304 pub fn is_signing_in(&self) -> bool {
305 matches!(
306 self,
307 Self::Authenticating | Self::Reauthenticating | Self::Connecting | Self::Reconnecting
308 )
309 }
310
311 pub fn is_signed_out(&self) -> bool {
312 matches!(self, Self::SignedOut | Self::UpgradeRequired)
313 }
314}
315
316struct ClientState {
317 credentials: Option<Credentials>,
318 status: (watch::Sender<Status>, watch::Receiver<Status>),
319 _reconnect_task: Option<Task<()>>,
320}
321
322#[derive(Clone, Debug, Eq, PartialEq)]
323pub struct Credentials {
324 pub user_id: u64,
325 pub access_token: String,
326}
327
328impl Credentials {
329 pub fn authorization_header(&self) -> String {
330 format!("{} {}", self.user_id, self.access_token)
331 }
332}
333
334pub struct ClientCredentialsProvider {
335 provider: Arc<dyn CredentialsProvider>,
336}
337
338impl ClientCredentialsProvider {
339 pub fn new(cx: &App) -> Self {
340 Self {
341 provider: <dyn CredentialsProvider>::global(cx),
342 }
343 }
344
345 fn server_url(&self, cx: &AsyncApp) -> Result<String> {
346 Ok(cx.update(|cx| ClientSettings::get_global(cx).server_url.clone()))
347 }
348
349 /// Reads the credentials from the provider.
350 fn read_credentials<'a>(
351 &'a self,
352 cx: &'a AsyncApp,
353 ) -> Pin<Box<dyn Future<Output = Option<Credentials>> + 'a>> {
354 async move {
355 if IMPERSONATE_LOGIN.is_some() {
356 return None;
357 }
358
359 let server_url = self.server_url(cx).ok()?;
360 let (user_id, access_token) = self
361 .provider
362 .read_credentials(&server_url, cx)
363 .await
364 .log_err()
365 .flatten()?;
366
367 Some(Credentials {
368 user_id: user_id.parse().ok()?,
369 access_token: String::from_utf8(access_token).ok()?,
370 })
371 }
372 .boxed_local()
373 }
374
375 /// Writes the credentials to the provider.
376 fn write_credentials<'a>(
377 &'a self,
378 user_id: u64,
379 access_token: String,
380 cx: &'a AsyncApp,
381 ) -> Pin<Box<dyn Future<Output = Result<()>> + 'a>> {
382 async move {
383 let server_url = self.server_url(cx)?;
384 self.provider
385 .write_credentials(
386 &server_url,
387 &user_id.to_string(),
388 access_token.as_bytes(),
389 cx,
390 )
391 .await
392 }
393 .boxed_local()
394 }
395
396 /// Deletes the credentials from the provider.
397 fn delete_credentials<'a>(
398 &'a self,
399 cx: &'a AsyncApp,
400 ) -> Pin<Box<dyn Future<Output = Result<()>> + 'a>> {
401 async move {
402 let server_url = self.server_url(cx)?;
403 self.provider.delete_credentials(&server_url, cx).await
404 }
405 .boxed_local()
406 }
407}
408
409impl Default for ClientState {
410 fn default() -> Self {
411 Self {
412 credentials: None,
413 status: watch::channel_with(Status::SignedOut),
414 _reconnect_task: None,
415 }
416 }
417}
418
419pub enum Subscription {
420 Entity {
421 client: Weak<Client>,
422 id: (TypeId, u64),
423 },
424 Message {
425 client: Weak<Client>,
426 id: TypeId,
427 },
428}
429
430impl Drop for Subscription {
431 fn drop(&mut self) {
432 match self {
433 Subscription::Entity { client, id } => {
434 if let Some(client) = client.upgrade() {
435 let mut state = client.handler_set.lock();
436 let _ = state.entities_by_type_and_remote_id.remove(id);
437 }
438 }
439 Subscription::Message { client, id } => {
440 if let Some(client) = client.upgrade() {
441 let mut state = client.handler_set.lock();
442 let _ = state.entity_types_by_message_type.remove(id);
443 let _ = state.message_handlers.remove(id);
444 }
445 }
446 }
447 }
448}
449
450pub struct PendingEntitySubscription<T: 'static> {
451 client: Arc<Client>,
452 remote_id: u64,
453 _entity_type: PhantomData<T>,
454 consumed: bool,
455}
456
457impl<T: 'static> PendingEntitySubscription<T> {
458 pub fn set_entity(mut self, entity: &Entity<T>, cx: &AsyncApp) -> Subscription {
459 self.consumed = true;
460 let mut handlers = self.client.handler_set.lock();
461 let id = (TypeId::of::<T>(), self.remote_id);
462 let Some(EntityMessageSubscriber::Pending(messages)) =
463 handlers.entities_by_type_and_remote_id.remove(&id)
464 else {
465 unreachable!()
466 };
467
468 handlers.entities_by_type_and_remote_id.insert(
469 id,
470 EntityMessageSubscriber::Entity {
471 handle: entity.downgrade().into(),
472 },
473 );
474 drop(handlers);
475 for message in messages {
476 let client_id = self.client.id();
477 let type_name = message.payload_type_name();
478 let sender_id = message.original_sender_id();
479 log::debug!(
480 "handling queued rpc message. client_id:{}, sender_id:{:?}, type:{}",
481 client_id,
482 sender_id,
483 type_name
484 );
485 self.client.handle_message(message, cx);
486 }
487 Subscription::Entity {
488 client: Arc::downgrade(&self.client),
489 id,
490 }
491 }
492}
493
494impl<T: 'static> Drop for PendingEntitySubscription<T> {
495 fn drop(&mut self) {
496 if !self.consumed {
497 let mut state = self.client.handler_set.lock();
498 if let Some(EntityMessageSubscriber::Pending(messages)) = state
499 .entities_by_type_and_remote_id
500 .remove(&(TypeId::of::<T>(), self.remote_id))
501 {
502 for message in messages {
503 log::info!("unhandled message {}", message.payload_type_name());
504 }
505 }
506 }
507 }
508}
509
510#[derive(Copy, Clone, Deserialize, Debug, RegisterSetting)]
511pub struct TelemetrySettings {
512 pub diagnostics: bool,
513 pub metrics: bool,
514}
515
516impl settings::Settings for TelemetrySettings {
517 fn from_settings(content: &SettingsContent) -> Self {
518 Self {
519 diagnostics: content.telemetry.as_ref().unwrap().diagnostics.unwrap(),
520 metrics: content.telemetry.as_ref().unwrap().metrics.unwrap(),
521 }
522 }
523}
524
525impl Client {
526 pub fn new(
527 clock: Arc<dyn SystemClock>,
528 http: Arc<HttpClientWithUrl>,
529 cx: &mut App,
530 ) -> Arc<Self> {
531 Arc::new(Self {
532 id: AtomicU64::new(0),
533 peer: Peer::new(0),
534 telemetry: Telemetry::new(clock, http.clone(), cx),
535 cloud_client: Arc::new(CloudApiClient::new(http.clone())),
536 http,
537 credentials_provider: ClientCredentialsProvider::new(cx),
538 state: Default::default(),
539 handler_set: Default::default(),
540 message_to_client_handlers: parking_lot::Mutex::new(Vec::new()),
541
542 #[cfg(any(test, feature = "test-support"))]
543 authenticate: Default::default(),
544 #[cfg(any(test, feature = "test-support"))]
545 establish_connection: Default::default(),
546 #[cfg(any(test, feature = "test-support"))]
547 rpc_url: RwLock::default(),
548 })
549 }
550
551 pub fn production(cx: &mut App) -> Arc<Self> {
552 let clock = Arc::new(clock::RealSystemClock);
553 let http = Arc::new(HttpClientWithUrl::new_url(
554 cx.http_client(),
555 &ClientSettings::get_global(cx).server_url,
556 cx.http_client().proxy().cloned(),
557 ));
558 Self::new(clock, http, cx)
559 }
560
561 pub fn id(&self) -> u64 {
562 self.id.load(Ordering::SeqCst)
563 }
564
565 pub fn http_client(&self) -> Arc<HttpClientWithUrl> {
566 self.http.clone()
567 }
568
569 pub fn cloud_client(&self) -> Arc<CloudApiClient> {
570 self.cloud_client.clone()
571 }
572
573 pub fn set_id(&self, id: u64) -> &Self {
574 self.id.store(id, Ordering::SeqCst);
575 self
576 }
577
578 #[cfg(any(test, feature = "test-support"))]
579 pub fn teardown(&self) {
580 let mut state = self.state.write();
581 state._reconnect_task.take();
582 self.handler_set.lock().clear();
583 self.peer.teardown();
584 }
585
586 #[cfg(any(test, feature = "test-support"))]
587 pub fn override_authenticate<F>(&self, authenticate: F) -> &Self
588 where
589 F: 'static + Send + Sync + Fn(&AsyncApp) -> Task<Result<Credentials>>,
590 {
591 *self.authenticate.write() = Some(Box::new(authenticate));
592 self
593 }
594
595 #[cfg(any(test, feature = "test-support"))]
596 pub fn override_establish_connection<F>(&self, connect: F) -> &Self
597 where
598 F: 'static
599 + Send
600 + Sync
601 + Fn(&Credentials, &AsyncApp) -> Task<Result<Connection, EstablishConnectionError>>,
602 {
603 *self.establish_connection.write() = Some(Box::new(connect));
604 self
605 }
606
607 #[cfg(any(test, feature = "test-support"))]
608 pub fn override_rpc_url(&self, url: Url) -> &Self {
609 *self.rpc_url.write() = Some(url);
610 self
611 }
612
613 pub fn global(cx: &App) -> Arc<Self> {
614 cx.global::<GlobalClient>().0.clone()
615 }
616 pub fn set_global(client: Arc<Client>, cx: &mut App) {
617 cx.set_global(GlobalClient(client))
618 }
619
620 pub fn user_id(&self) -> Option<u64> {
621 self.state
622 .read()
623 .credentials
624 .as_ref()
625 .map(|credentials| credentials.user_id)
626 }
627
628 pub fn peer_id(&self) -> Option<PeerId> {
629 if let Status::Connected { peer_id, .. } = &*self.status().borrow() {
630 Some(*peer_id)
631 } else {
632 None
633 }
634 }
635
636 pub fn status(&self) -> watch::Receiver<Status> {
637 self.state.read().status.1.clone()
638 }
639
640 fn set_status(self: &Arc<Self>, status: Status, cx: &AsyncApp) {
641 log::info!("set status on client {}: {:?}", self.id(), status);
642 let mut state = self.state.write();
643 *state.status.0.borrow_mut() = status;
644
645 match status {
646 Status::Connected { .. } => {
647 state._reconnect_task = None;
648 }
649 Status::ConnectionLost => {
650 let client = self.clone();
651 state._reconnect_task = Some(cx.spawn(async move |cx| {
652 #[cfg(any(test, feature = "test-support"))]
653 let mut rng = StdRng::seed_from_u64(0);
654 #[cfg(not(any(test, feature = "test-support")))]
655 let mut rng = StdRng::from_os_rng();
656
657 let mut delay = INITIAL_RECONNECTION_DELAY;
658 loop {
659 match client.connect(true, cx).await {
660 ConnectionResult::Timeout => {
661 log::error!("client connect attempt timed out")
662 }
663 ConnectionResult::ConnectionReset => {
664 log::error!("client connect attempt reset")
665 }
666 ConnectionResult::Result(r) => {
667 if let Err(error) = r {
668 log::error!("failed to connect: {error}");
669 } else {
670 break;
671 }
672 }
673 }
674
675 if matches!(
676 *client.status().borrow(),
677 Status::AuthenticationError | Status::ConnectionError
678 ) {
679 client.set_status(
680 Status::ReconnectionError {
681 next_reconnection: Instant::now() + delay,
682 },
683 cx,
684 );
685 let jitter = Duration::from_millis(
686 rng.random_range(0..delay.as_millis() as u64),
687 );
688 cx.background_executor().timer(delay + jitter).await;
689 delay = cmp::min(delay * 2, MAX_RECONNECTION_DELAY);
690 } else {
691 break;
692 }
693 }
694 }));
695 }
696 Status::SignedOut | Status::UpgradeRequired => {
697 self.telemetry.set_authenticated_user_info(None, false);
698 state._reconnect_task.take();
699 }
700 _ => {}
701 }
702 }
703
704 pub fn subscribe_to_entity<T>(
705 self: &Arc<Self>,
706 remote_id: u64,
707 ) -> Result<PendingEntitySubscription<T>>
708 where
709 T: 'static,
710 {
711 let id = (TypeId::of::<T>(), remote_id);
712
713 let mut state = self.handler_set.lock();
714 anyhow::ensure!(
715 !state.entities_by_type_and_remote_id.contains_key(&id),
716 "already subscribed to entity"
717 );
718
719 state
720 .entities_by_type_and_remote_id
721 .insert(id, EntityMessageSubscriber::Pending(Default::default()));
722
723 Ok(PendingEntitySubscription {
724 client: self.clone(),
725 remote_id,
726 consumed: false,
727 _entity_type: PhantomData,
728 })
729 }
730
731 #[track_caller]
732 pub fn add_message_handler<M, E, H, F>(
733 self: &Arc<Self>,
734 entity: WeakEntity<E>,
735 handler: H,
736 ) -> Subscription
737 where
738 M: EnvelopedMessage,
739 E: 'static,
740 H: 'static + Sync + Fn(Entity<E>, TypedEnvelope<M>, AsyncApp) -> F + Send + Sync,
741 F: 'static + Future<Output = Result<()>>,
742 {
743 self.add_message_handler_impl(entity, move |entity, message, _, cx| {
744 handler(entity, message, cx)
745 })
746 }
747
748 fn add_message_handler_impl<M, E, H, F>(
749 self: &Arc<Self>,
750 entity: WeakEntity<E>,
751 handler: H,
752 ) -> Subscription
753 where
754 M: EnvelopedMessage,
755 E: 'static,
756 H: 'static
757 + Sync
758 + Fn(Entity<E>, TypedEnvelope<M>, AnyProtoClient, AsyncApp) -> F
759 + Send
760 + Sync,
761 F: 'static + Future<Output = Result<()>>,
762 {
763 let message_type_id = TypeId::of::<M>();
764 let mut state = self.handler_set.lock();
765 state
766 .entities_by_message_type
767 .insert(message_type_id, entity.into());
768
769 let prev_handler = state.message_handlers.insert(
770 message_type_id,
771 Arc::new(move |subscriber, envelope, client, cx| {
772 let subscriber = subscriber.downcast::<E>().unwrap();
773 let envelope = envelope.into_any().downcast::<TypedEnvelope<M>>().unwrap();
774 handler(subscriber, *envelope, client, cx).boxed_local()
775 }),
776 );
777 if prev_handler.is_some() {
778 let location = std::panic::Location::caller();
779 panic!(
780 "{}:{} registered handler for the same message {} twice",
781 location.file(),
782 location.line(),
783 std::any::type_name::<M>()
784 );
785 }
786
787 Subscription::Message {
788 client: Arc::downgrade(self),
789 id: message_type_id,
790 }
791 }
792
793 pub fn add_request_handler<M, E, H, F>(
794 self: &Arc<Self>,
795 entity: WeakEntity<E>,
796 handler: H,
797 ) -> Subscription
798 where
799 M: RequestMessage,
800 E: 'static,
801 H: 'static + Sync + Fn(Entity<E>, TypedEnvelope<M>, AsyncApp) -> F + Send + Sync,
802 F: 'static + Future<Output = Result<M::Response>>,
803 {
804 self.add_message_handler_impl(entity, move |handle, envelope, this, cx| {
805 Self::respond_to_request(envelope.receipt(), handler(handle, envelope, cx), this)
806 })
807 }
808
809 async fn respond_to_request<T: RequestMessage, F: Future<Output = Result<T::Response>>>(
810 receipt: Receipt<T>,
811 response: F,
812 client: AnyProtoClient,
813 ) -> Result<()> {
814 match response.await {
815 Ok(response) => {
816 client.send_response(receipt.message_id, response)?;
817 Ok(())
818 }
819 Err(error) => {
820 client.send_response(receipt.message_id, error.to_proto())?;
821 Err(error)
822 }
823 }
824 }
825
826 pub async fn has_credentials(&self, cx: &AsyncApp) -> bool {
827 self.credentials_provider
828 .read_credentials(cx)
829 .await
830 .is_some()
831 }
832
833 pub async fn sign_in(
834 self: &Arc<Self>,
835 try_provider: bool,
836 cx: &AsyncApp,
837 ) -> Result<Credentials> {
838 let is_reauthenticating = if self.status().borrow().is_signed_out() {
839 self.set_status(Status::Authenticating, cx);
840 false
841 } else {
842 self.set_status(Status::Reauthenticating, cx);
843 true
844 };
845
846 let mut credentials = None;
847
848 let old_credentials = self.state.read().credentials.clone();
849 if let Some(old_credentials) = old_credentials
850 && self.validate_credentials(&old_credentials, cx).await?
851 {
852 credentials = Some(old_credentials);
853 }
854
855 if credentials.is_none()
856 && try_provider
857 && let Some(stored_credentials) = self.credentials_provider.read_credentials(cx).await
858 {
859 if self.validate_credentials(&stored_credentials, cx).await? {
860 credentials = Some(stored_credentials);
861 } else {
862 self.credentials_provider
863 .delete_credentials(cx)
864 .await
865 .log_err();
866 }
867 }
868
869 if credentials.is_none() {
870 let mut status_rx = self.status();
871 let _ = status_rx.next().await;
872 futures::select_biased! {
873 authenticate = self.authenticate(cx).fuse() => {
874 match authenticate {
875 Ok(creds) => {
876 if IMPERSONATE_LOGIN.is_none() {
877 self.credentials_provider
878 .write_credentials(creds.user_id, creds.access_token.clone(), cx)
879 .await
880 .log_err();
881 }
882
883 credentials = Some(creds);
884 },
885 Err(err) => {
886 self.set_status(Status::AuthenticationError, cx);
887 return Err(err);
888 }
889 }
890 }
891 _ = status_rx.next().fuse() => {
892 return Err(anyhow!("authentication canceled"));
893 }
894 }
895 }
896
897 let credentials = credentials.unwrap();
898 self.set_id(credentials.user_id);
899 self.cloud_client
900 .set_credentials(credentials.user_id as u32, credentials.access_token.clone());
901 self.state.write().credentials = Some(credentials.clone());
902 self.set_status(
903 if is_reauthenticating {
904 Status::Reauthenticated
905 } else {
906 Status::Authenticated
907 },
908 cx,
909 );
910
911 Ok(credentials)
912 }
913
914 async fn validate_credentials(
915 self: &Arc<Self>,
916 credentials: &Credentials,
917 cx: &AsyncApp,
918 ) -> Result<bool> {
919 match self
920 .cloud_client
921 .validate_credentials(credentials.user_id as u32, &credentials.access_token)
922 .await
923 {
924 Ok(valid) => Ok(valid),
925 Err(err) => {
926 self.set_status(Status::AuthenticationError, cx);
927 Err(anyhow!("failed to validate credentials: {}", err))
928 }
929 }
930 }
931
932 /// Establishes a WebSocket connection with Cloud for receiving updates from the server.
933 async fn connect_to_cloud(self: &Arc<Self>, cx: &AsyncApp) -> Result<()> {
934 let connect_task = cx.update({
935 let cloud_client = self.cloud_client.clone();
936 move |cx| cloud_client.connect(cx)
937 })?;
938 let connection = connect_task.await?;
939
940 let (mut messages, task) = cx.update(|cx| connection.spawn(cx));
941 task.detach();
942
943 cx.spawn({
944 let this = self.clone();
945 async move |cx| {
946 while let Some(message) = messages.next().await {
947 if let Some(message) = message.log_err() {
948 this.handle_message_to_client(message, cx);
949 }
950 }
951 }
952 })
953 .detach();
954
955 Ok(())
956 }
957
958 /// Performs a sign-in and also (optionally) connects to Collab.
959 ///
960 /// Only Zed staff automatically connect to Collab.
961 pub async fn sign_in_with_optional_connect(
962 self: &Arc<Self>,
963 try_provider: bool,
964 cx: &AsyncApp,
965 ) -> Result<()> {
966 // Don't try to sign in again if we're already connected to Collab, as it will temporarily disconnect us.
967 if self.status().borrow().is_connected() {
968 return Ok(());
969 }
970
971 let (is_staff_tx, is_staff_rx) = oneshot::channel::<bool>();
972 let mut is_staff_tx = Some(is_staff_tx);
973 cx.update(|cx| {
974 cx.on_flags_ready(move |state, _cx| {
975 if let Some(is_staff_tx) = is_staff_tx.take() {
976 is_staff_tx.send(state.is_staff).log_err();
977 }
978 })
979 .detach();
980 });
981
982 let credentials = self.sign_in(try_provider, cx).await?;
983
984 self.connect_to_cloud(cx).await.log_err();
985
986 cx.update(move |cx| {
987 cx.spawn({
988 let client = self.clone();
989 async move |cx| {
990 let is_staff = is_staff_rx.await?;
991 if is_staff {
992 match client.connect_with_credentials(credentials, cx).await {
993 ConnectionResult::Timeout => Err(anyhow!("connection timed out")),
994 ConnectionResult::ConnectionReset => Err(anyhow!("connection reset")),
995 ConnectionResult::Result(result) => {
996 result.context("client auth and connect")
997 }
998 }
999 } else {
1000 Ok(())
1001 }
1002 }
1003 })
1004 .detach_and_log_err(cx);
1005 });
1006
1007 Ok(())
1008 }
1009
1010 pub async fn connect(
1011 self: &Arc<Self>,
1012 try_provider: bool,
1013 cx: &AsyncApp,
1014 ) -> ConnectionResult<()> {
1015 let was_disconnected = match *self.status().borrow() {
1016 Status::SignedOut | Status::Authenticated => true,
1017 Status::ConnectionError
1018 | Status::ConnectionLost
1019 | Status::Authenticating
1020 | Status::AuthenticationError
1021 | Status::Reauthenticating
1022 | Status::Reauthenticated
1023 | Status::ReconnectionError { .. } => false,
1024 Status::Connected { .. } | Status::Connecting | Status::Reconnecting => {
1025 return ConnectionResult::Result(Ok(()));
1026 }
1027 Status::UpgradeRequired => {
1028 return ConnectionResult::Result(
1029 Err(EstablishConnectionError::UpgradeRequired)
1030 .context("client auth and connect"),
1031 );
1032 }
1033 };
1034 let credentials = match self.sign_in(try_provider, cx).await {
1035 Ok(credentials) => credentials,
1036 Err(err) => return ConnectionResult::Result(Err(err)),
1037 };
1038
1039 if was_disconnected {
1040 self.set_status(Status::Connecting, cx);
1041 } else {
1042 self.set_status(Status::Reconnecting, cx);
1043 }
1044
1045 self.connect_with_credentials(credentials, cx).await
1046 }
1047
1048 async fn connect_with_credentials(
1049 self: &Arc<Self>,
1050 credentials: Credentials,
1051 cx: &AsyncApp,
1052 ) -> ConnectionResult<()> {
1053 let mut timeout =
1054 futures::FutureExt::fuse(cx.background_executor().timer(CONNECTION_TIMEOUT));
1055 futures::select_biased! {
1056 connection = self.establish_connection(&credentials, cx).fuse() => {
1057 match connection {
1058 Ok(conn) => {
1059 futures::select_biased! {
1060 result = self.set_connection(conn, cx).fuse() => {
1061 match result.context("client auth and connect") {
1062 Ok(()) => ConnectionResult::Result(Ok(())),
1063 Err(err) => {
1064 self.set_status(Status::ConnectionError, cx);
1065 ConnectionResult::Result(Err(err))
1066 },
1067 }
1068 },
1069 _ = timeout => {
1070 self.set_status(Status::ConnectionError, cx);
1071 ConnectionResult::Timeout
1072 }
1073 }
1074 }
1075 Err(EstablishConnectionError::Unauthorized) => {
1076 self.set_status(Status::ConnectionError, cx);
1077 ConnectionResult::Result(Err(EstablishConnectionError::Unauthorized).context("client auth and connect"))
1078 }
1079 Err(EstablishConnectionError::UpgradeRequired) => {
1080 self.set_status(Status::UpgradeRequired, cx);
1081 ConnectionResult::Result(Err(EstablishConnectionError::UpgradeRequired).context("client auth and connect"))
1082 }
1083 Err(error) => {
1084 self.set_status(Status::ConnectionError, cx);
1085 ConnectionResult::Result(Err(error).context("client auth and connect"))
1086 }
1087 }
1088 }
1089 _ = &mut timeout => {
1090 self.set_status(Status::ConnectionError, cx);
1091 ConnectionResult::Timeout
1092 }
1093 }
1094 }
1095
1096 async fn set_connection(self: &Arc<Self>, conn: Connection, cx: &AsyncApp) -> Result<()> {
1097 let executor = cx.background_executor();
1098 log::debug!("add connection to peer");
1099 let (connection_id, handle_io, mut incoming) = self.peer.add_connection(conn, {
1100 let executor = executor.clone();
1101 move |duration| executor.timer(duration)
1102 });
1103 let handle_io = executor.spawn(handle_io);
1104
1105 let peer_id = async {
1106 log::debug!("waiting for server hello");
1107 let message = incoming.next().await.context("no hello message received")?;
1108 log::debug!("got server hello");
1109 let hello_message_type_name = message.payload_type_name().to_string();
1110 let hello = message
1111 .into_any()
1112 .downcast::<TypedEnvelope<proto::Hello>>()
1113 .map_err(|_| {
1114 anyhow!(
1115 "invalid hello message received: {:?}",
1116 hello_message_type_name
1117 )
1118 })?;
1119 let peer_id = hello.payload.peer_id.context("invalid peer id")?;
1120 Ok(peer_id)
1121 };
1122
1123 let peer_id = match peer_id.await {
1124 Ok(peer_id) => peer_id,
1125 Err(error) => {
1126 self.peer.disconnect(connection_id);
1127 return Err(error);
1128 }
1129 };
1130
1131 log::debug!(
1132 "set status to connected (connection id: {:?}, peer id: {:?})",
1133 connection_id,
1134 peer_id
1135 );
1136 self.set_status(
1137 Status::Connected {
1138 peer_id,
1139 connection_id,
1140 },
1141 cx,
1142 );
1143
1144 cx.spawn({
1145 let this = self.clone();
1146 async move |cx| {
1147 while let Some(message) = incoming.next().await {
1148 this.handle_message(message, cx);
1149 // Don't starve the main thread when receiving lots of messages at once.
1150 smol::future::yield_now().await;
1151 }
1152 }
1153 })
1154 .detach();
1155
1156 cx.spawn({
1157 let this = self.clone();
1158 async move |cx| match handle_io.await {
1159 Ok(()) => {
1160 if *this.status().borrow()
1161 == (Status::Connected {
1162 connection_id,
1163 peer_id,
1164 })
1165 {
1166 this.set_status(Status::SignedOut, cx);
1167 }
1168 }
1169 Err(err) => {
1170 log::error!("connection error: {:?}", err);
1171 this.set_status(Status::ConnectionLost, cx);
1172 }
1173 }
1174 })
1175 .detach();
1176
1177 Ok(())
1178 }
1179
1180 fn authenticate(self: &Arc<Self>, cx: &AsyncApp) -> Task<Result<Credentials>> {
1181 #[cfg(any(test, feature = "test-support"))]
1182 if let Some(callback) = self.authenticate.read().as_ref() {
1183 return callback(cx);
1184 }
1185
1186 self.authenticate_with_browser(cx)
1187 }
1188
1189 fn establish_connection(
1190 self: &Arc<Self>,
1191 credentials: &Credentials,
1192 cx: &AsyncApp,
1193 ) -> Task<Result<Connection, EstablishConnectionError>> {
1194 #[cfg(any(test, feature = "test-support"))]
1195 if let Some(callback) = self.establish_connection.read().as_ref() {
1196 return callback(credentials, cx);
1197 }
1198
1199 self.establish_websocket_connection(credentials, cx)
1200 }
1201
1202 fn rpc_url(
1203 &self,
1204 http: Arc<HttpClientWithUrl>,
1205 release_channel: Option<ReleaseChannel>,
1206 ) -> impl Future<Output = Result<url::Url>> + use<> {
1207 #[cfg(any(test, feature = "test-support"))]
1208 let url_override = self.rpc_url.read().clone();
1209
1210 async move {
1211 #[cfg(any(test, feature = "test-support"))]
1212 if let Some(url) = url_override {
1213 return Ok(url);
1214 }
1215
1216 if let Some(url) = &*ZED_RPC_URL {
1217 return Url::parse(url).context("invalid rpc url");
1218 }
1219
1220 let mut url = http.build_url("/rpc");
1221 if let Some(preview_param) =
1222 release_channel.and_then(|channel| channel.release_query_param())
1223 {
1224 url += "?";
1225 url += preview_param;
1226 }
1227
1228 let response = http.get(&url, Default::default(), false).await?;
1229 anyhow::ensure!(
1230 response.status().is_redirection(),
1231 "unexpected /rpc response status {}",
1232 response.status()
1233 );
1234 let collab_url = response
1235 .headers()
1236 .get("Location")
1237 .context("missing location header in /rpc response")?
1238 .to_str()
1239 .map_err(EstablishConnectionError::other)?
1240 .to_string();
1241 Url::parse(&collab_url).with_context(|| format!("parsing collab rpc url {collab_url}"))
1242 }
1243 }
1244
1245 fn establish_websocket_connection(
1246 self: &Arc<Self>,
1247 credentials: &Credentials,
1248 cx: &AsyncApp,
1249 ) -> Task<Result<Connection, EstablishConnectionError>> {
1250 let release_channel = cx.update(|cx| ReleaseChannel::try_global(cx));
1251 let app_version = cx.update(|cx| AppVersion::global(cx).to_string());
1252
1253 let http = self.http.clone();
1254 let proxy = http.proxy().cloned();
1255 let user_agent = http.user_agent().cloned();
1256 let credentials = credentials.clone();
1257 let rpc_url = self.rpc_url(http, release_channel);
1258 let system_id = self.telemetry.system_id();
1259 let metrics_id = self.telemetry.metrics_id();
1260 cx.spawn(async move |cx| {
1261 use HttpOrHttps::*;
1262
1263 #[derive(Debug)]
1264 enum HttpOrHttps {
1265 Http,
1266 Https,
1267 }
1268
1269 let mut rpc_url = rpc_url.await?;
1270 let url_scheme = match rpc_url.scheme() {
1271 "https" => Https,
1272 "http" => Http,
1273 _ => Err(anyhow!("invalid rpc url: {}", rpc_url))?,
1274 };
1275
1276 let stream = gpui_tokio::Tokio::spawn_result(cx, {
1277 let rpc_url = rpc_url.clone();
1278 async move {
1279 let rpc_host = rpc_url
1280 .host_str()
1281 .zip(rpc_url.port_or_known_default())
1282 .context("missing host in rpc url")?;
1283 Ok(match proxy {
1284 Some(proxy) => connect_proxy_stream(&proxy, rpc_host).await?,
1285 None => Box::new(TcpStream::connect(rpc_host).await?),
1286 })
1287 }
1288 })
1289 .await?;
1290
1291 log::info!("connected to rpc endpoint {}", rpc_url);
1292
1293 rpc_url
1294 .set_scheme(match url_scheme {
1295 Https => "wss",
1296 Http => "ws",
1297 })
1298 .unwrap();
1299
1300 // We call `into_client_request` to let `tungstenite` construct the WebSocket request
1301 // for us from the RPC URL.
1302 //
1303 // Among other things, it will generate and set a `Sec-WebSocket-Key` header for us.
1304 let mut request = IntoClientRequest::into_client_request(rpc_url.as_str())?;
1305
1306 // We then modify the request to add our desired headers.
1307 let request_headers = request.headers_mut();
1308 request_headers.insert(
1309 http::header::AUTHORIZATION,
1310 HeaderValue::from_str(&credentials.authorization_header())?,
1311 );
1312 request_headers.insert(
1313 "x-zed-protocol-version",
1314 HeaderValue::from_str(&rpc::PROTOCOL_VERSION.to_string())?,
1315 );
1316 request_headers.insert("x-zed-app-version", HeaderValue::from_str(&app_version)?);
1317 request_headers.insert(
1318 "x-zed-release-channel",
1319 HeaderValue::from_str(release_channel.map(|r| r.dev_name()).unwrap_or("unknown"))?,
1320 );
1321 if let Some(user_agent) = user_agent {
1322 request_headers.insert(http::header::USER_AGENT, user_agent);
1323 }
1324 if let Some(system_id) = system_id {
1325 request_headers.insert("x-zed-system-id", HeaderValue::from_str(&system_id)?);
1326 }
1327 if let Some(metrics_id) = metrics_id {
1328 request_headers.insert("x-zed-metrics-id", HeaderValue::from_str(&metrics_id)?);
1329 }
1330
1331 let (stream, _) = async_tungstenite::tokio::client_async_tls_with_connector_and_config(
1332 request,
1333 stream,
1334 Some(Arc::new(http_client_tls::tls_config()).into()),
1335 None,
1336 )
1337 .await?;
1338
1339 Ok(Connection::new(
1340 stream
1341 .map_err(|error| anyhow!(error))
1342 .sink_map_err(|error| anyhow!(error)),
1343 ))
1344 })
1345 }
1346
1347 pub fn authenticate_with_browser(self: &Arc<Self>, cx: &AsyncApp) -> Task<Result<Credentials>> {
1348 let http = self.http.clone();
1349 let this = self.clone();
1350 cx.spawn(async move |cx| {
1351 let background = cx.background_executor().clone();
1352
1353 let (open_url_tx, open_url_rx) = oneshot::channel::<String>();
1354 cx.update(|cx| {
1355 cx.spawn(async move |cx| {
1356 if let Ok(url) = open_url_rx.await {
1357 cx.update(|cx| cx.open_url(&url));
1358 }
1359 })
1360 .detach();
1361 });
1362
1363 let credentials = background
1364 .clone()
1365 .spawn(async move {
1366 // Generate a pair of asymmetric encryption keys. The public key will be used by the
1367 // zed server to encrypt the user's access token, so that it can'be intercepted by
1368 // any other app running on the user's device.
1369 let (public_key, private_key) =
1370 rpc::auth::keypair().expect("failed to generate keypair for auth");
1371 let public_key_string = String::try_from(public_key)
1372 .expect("failed to serialize public key for auth");
1373
1374 if let Some((login, token)) =
1375 IMPERSONATE_LOGIN.as_ref().zip(ADMIN_API_TOKEN.as_ref())
1376 {
1377 if !*USE_WEB_LOGIN {
1378 eprintln!("authenticate as admin {login}, {token}");
1379
1380 return this
1381 .authenticate_as_admin(http, login.clone(), token.clone())
1382 .await;
1383 }
1384 }
1385
1386 // Start an HTTP server to receive the redirect from Zed's sign-in page.
1387 let server =
1388 tiny_http::Server::http("127.0.0.1:0").expect("failed to find open port");
1389 let port = server.server_addr().port();
1390
1391 // Open the Zed sign-in page in the user's browser, with query parameters that indicate
1392 // that the user is signing in from a Zed app running on the same device.
1393 let mut url = http.build_url(&format!(
1394 "/native_app_signin?native_app_port={}&native_app_public_key={}",
1395 port, public_key_string
1396 ));
1397
1398 if let Some(impersonate_login) = IMPERSONATE_LOGIN.as_ref() {
1399 log::info!("impersonating user @{}", impersonate_login);
1400 write!(&mut url, "&impersonate={}", impersonate_login).unwrap();
1401 }
1402
1403 open_url_tx.send(url).log_err();
1404
1405 #[derive(Deserialize)]
1406 struct CallbackParams {
1407 pub user_id: String,
1408 pub access_token: String,
1409 }
1410
1411 // Receive the HTTP request from the user's browser. Retrieve the user id and encrypted
1412 // access token from the query params.
1413 //
1414 // TODO - Avoid ever starting more than one HTTP server. Maybe switch to using a
1415 // custom URL scheme instead of this local HTTP server.
1416 let (user_id, access_token) = background
1417 .spawn(async move {
1418 for _ in 0..100 {
1419 if let Some(req) = server.recv_timeout(Duration::from_secs(1))? {
1420 let path = req.url();
1421 let url = Url::parse(&format!("http://example.com{}", path))
1422 .context("failed to parse login notification url")?;
1423 let callback_params: CallbackParams =
1424 serde_urlencoded::from_str(url.query().unwrap_or_default())
1425 .context(
1426 "failed to parse sign-in callback query parameters",
1427 )?;
1428
1429 let post_auth_url =
1430 http.build_url("/native_app_signin_succeeded");
1431 req.respond(
1432 tiny_http::Response::empty(302).with_header(
1433 tiny_http::Header::from_bytes(
1434 &b"Location"[..],
1435 post_auth_url.as_bytes(),
1436 )
1437 .unwrap(),
1438 ),
1439 )
1440 .context("failed to respond to login http request")?;
1441 return Ok((
1442 callback_params.user_id,
1443 callback_params.access_token,
1444 ));
1445 }
1446 }
1447
1448 anyhow::bail!("didn't receive login redirect");
1449 })
1450 .await?;
1451
1452 let access_token = private_key
1453 .decrypt_string(&access_token)
1454 .context("failed to decrypt access token")?;
1455
1456 Ok(Credentials {
1457 user_id: user_id.parse()?,
1458 access_token,
1459 })
1460 })
1461 .await?;
1462
1463 cx.update(|cx| cx.activate(true));
1464 Ok(credentials)
1465 })
1466 }
1467
1468 async fn authenticate_as_admin(
1469 self: &Arc<Self>,
1470 http: Arc<HttpClientWithUrl>,
1471 login: String,
1472 api_token: String,
1473 ) -> Result<Credentials> {
1474 #[derive(Serialize)]
1475 struct ImpersonateUserBody {
1476 github_login: String,
1477 }
1478
1479 #[derive(Deserialize)]
1480 struct ImpersonateUserResponse {
1481 user_id: u64,
1482 access_token: String,
1483 }
1484
1485 let url = self
1486 .http
1487 .build_zed_cloud_url("/internal/users/impersonate")?;
1488 let request = Request::post(url.as_str())
1489 .header("Content-Type", "application/json")
1490 .header("Authorization", format!("Bearer {api_token}"))
1491 .body(
1492 serde_json::to_string(&ImpersonateUserBody {
1493 github_login: login,
1494 })?
1495 .into(),
1496 )?;
1497
1498 let mut response = http.send(request).await?;
1499 let mut body = String::new();
1500 response.body_mut().read_to_string(&mut body).await?;
1501 anyhow::ensure!(
1502 response.status().is_success(),
1503 "admin user request failed {} - {}",
1504 response.status().as_u16(),
1505 body,
1506 );
1507 let response: ImpersonateUserResponse = serde_json::from_str(&body)?;
1508
1509 Ok(Credentials {
1510 user_id: response.user_id,
1511 access_token: response.access_token,
1512 })
1513 }
1514
1515 pub async fn sign_out(self: &Arc<Self>, cx: &AsyncApp) {
1516 self.state.write().credentials = None;
1517 self.cloud_client.clear_credentials();
1518 self.disconnect(cx);
1519
1520 if self.has_credentials(cx).await {
1521 self.credentials_provider
1522 .delete_credentials(cx)
1523 .await
1524 .log_err();
1525 }
1526 }
1527
1528 pub fn disconnect(self: &Arc<Self>, cx: &AsyncApp) {
1529 self.peer.teardown();
1530 self.set_status(Status::SignedOut, cx);
1531 }
1532
1533 pub fn reconnect(self: &Arc<Self>, cx: &AsyncApp) {
1534 self.peer.teardown();
1535 self.set_status(Status::ConnectionLost, cx);
1536 }
1537
1538 fn connection_id(&self) -> Result<ConnectionId> {
1539 if let Status::Connected { connection_id, .. } = *self.status().borrow() {
1540 Ok(connection_id)
1541 } else {
1542 anyhow::bail!("not connected");
1543 }
1544 }
1545
1546 pub fn send<T: EnvelopedMessage>(&self, message: T) -> Result<()> {
1547 log::debug!("rpc send. client_id:{}, name:{}", self.id(), T::NAME);
1548 self.peer.send(self.connection_id()?, message)
1549 }
1550
1551 pub fn request<T: RequestMessage>(
1552 &self,
1553 request: T,
1554 ) -> impl Future<Output = Result<T::Response>> + use<T> {
1555 self.request_envelope(request)
1556 .map_ok(|envelope| envelope.payload)
1557 }
1558
1559 pub fn request_stream<T: RequestMessage>(
1560 &self,
1561 request: T,
1562 ) -> impl Future<Output = Result<impl Stream<Item = Result<T::Response>>>> {
1563 let client_id = self.id.load(Ordering::SeqCst);
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_stream(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_envelope<T: RequestMessage>(
1584 &self,
1585 request: T,
1586 ) -> impl Future<Output = Result<TypedEnvelope<T::Response>>> + use<T> {
1587 let client_id = self.id();
1588 log::debug!(
1589 "rpc request start. client_id:{}. name:{}",
1590 client_id,
1591 T::NAME
1592 );
1593 let response = self
1594 .connection_id()
1595 .map(|conn_id| self.peer.request_envelope(conn_id, request));
1596 async move {
1597 let response = response?.await;
1598 log::debug!(
1599 "rpc request finish. client_id:{}. name:{}",
1600 client_id,
1601 T::NAME
1602 );
1603 response
1604 }
1605 }
1606
1607 pub fn request_dynamic(
1608 &self,
1609 envelope: proto::Envelope,
1610 request_type: &'static str,
1611 ) -> impl Future<Output = Result<proto::Envelope>> + use<> {
1612 let client_id = self.id();
1613 log::debug!(
1614 "rpc request start. client_id:{}. name:{}",
1615 client_id,
1616 request_type
1617 );
1618 let response = self
1619 .connection_id()
1620 .map(|conn_id| self.peer.request_dynamic(conn_id, envelope, request_type));
1621 async move {
1622 let response = response?.await;
1623 log::debug!(
1624 "rpc request finish. client_id:{}. name:{}",
1625 client_id,
1626 request_type
1627 );
1628 Ok(response?.0)
1629 }
1630 }
1631
1632 fn handle_message(self: &Arc<Client>, message: Box<dyn AnyTypedEnvelope>, cx: &AsyncApp) {
1633 let sender_id = message.sender_id();
1634 let request_id = message.message_id();
1635 let type_name = message.payload_type_name();
1636 let original_sender_id = message.original_sender_id();
1637
1638 if let Some(future) = ProtoMessageHandlerSet::handle_message(
1639 &self.handler_set,
1640 message,
1641 self.clone().into(),
1642 cx.clone(),
1643 ) {
1644 let client_id = self.id();
1645 log::debug!(
1646 "rpc message received. client_id:{}, sender_id:{:?}, type:{}",
1647 client_id,
1648 original_sender_id,
1649 type_name
1650 );
1651 cx.spawn(async move |_| match future.await {
1652 Ok(()) => {
1653 log::debug!("rpc message handled. client_id:{client_id}, sender_id:{original_sender_id:?}, type:{type_name}");
1654 }
1655 Err(error) => {
1656 log::error!("error handling message. client_id:{client_id}, sender_id:{original_sender_id:?}, type:{type_name}, error:{error:#}");
1657 }
1658 })
1659 .detach();
1660 } else {
1661 log::info!("unhandled message {}", type_name);
1662 self.peer
1663 .respond_with_unhandled_message(sender_id.into(), request_id, type_name)
1664 .log_err();
1665 }
1666 }
1667
1668 pub fn add_message_to_client_handler(
1669 self: &Arc<Client>,
1670 handler: impl Fn(&MessageToClient, &mut App) + Send + Sync + 'static,
1671 ) {
1672 self.message_to_client_handlers
1673 .lock()
1674 .push(Box::new(handler));
1675 }
1676
1677 fn handle_message_to_client(self: &Arc<Client>, message: MessageToClient, cx: &AsyncApp) {
1678 cx.update(|cx| {
1679 for handler in self.message_to_client_handlers.lock().iter() {
1680 handler(&message, cx);
1681 }
1682 });
1683 }
1684
1685 pub fn telemetry(&self) -> &Arc<Telemetry> {
1686 &self.telemetry
1687 }
1688}
1689
1690impl ProtoClient for Client {
1691 fn request(
1692 &self,
1693 envelope: proto::Envelope,
1694 request_type: &'static str,
1695 ) -> BoxFuture<'static, Result<proto::Envelope>> {
1696 self.request_dynamic(envelope, request_type).boxed()
1697 }
1698
1699 fn send(&self, envelope: proto::Envelope, message_type: &'static str) -> Result<()> {
1700 log::debug!("rpc send. client_id:{}, name:{}", self.id(), message_type);
1701 let connection_id = self.connection_id()?;
1702 self.peer.send_dynamic(connection_id, envelope)
1703 }
1704
1705 fn send_response(&self, envelope: proto::Envelope, message_type: &'static str) -> Result<()> {
1706 log::debug!(
1707 "rpc respond. client_id:{}, name:{}",
1708 self.id(),
1709 message_type
1710 );
1711 let connection_id = self.connection_id()?;
1712 self.peer.send_dynamic(connection_id, envelope)
1713 }
1714
1715 fn message_handler_set(&self) -> &parking_lot::Mutex<ProtoMessageHandlerSet> {
1716 &self.handler_set
1717 }
1718
1719 fn is_via_collab(&self) -> bool {
1720 true
1721 }
1722
1723 fn has_wsl_interop(&self) -> bool {
1724 false
1725 }
1726}
1727
1728/// prefix for the zed:// url scheme
1729pub const ZED_URL_SCHEME: &str = "zed";
1730
1731/// A parsed Zed link that can be handled internally by the application.
1732#[derive(Debug, Clone, PartialEq, Eq)]
1733pub enum ZedLink {
1734 /// Join a channel: `zed.dev/channel/channel-name-123` or `zed://channel/channel-name-123`
1735 Channel { channel_id: u64 },
1736 /// Open channel notes: `zed.dev/channel/channel-name-123/notes` or with heading `notes#heading`
1737 ChannelNotes {
1738 channel_id: u64,
1739 heading: Option<String>,
1740 },
1741}
1742
1743/// Parses the given link into a Zed link.
1744///
1745/// Returns a [`Some`] containing the parsed link if the link is a recognized Zed link
1746/// that should be handled internally by the application.
1747/// Returns [`None`] for links that should be opened in the browser.
1748pub fn parse_zed_link(link: &str, cx: &App) -> Option<ZedLink> {
1749 let server_url = &ClientSettings::get_global(cx).server_url;
1750 let path = link
1751 .strip_prefix(server_url)
1752 .and_then(|result| result.strip_prefix('/'))
1753 .or_else(|| {
1754 link.strip_prefix(ZED_URL_SCHEME)
1755 .and_then(|result| result.strip_prefix("://"))
1756 })?;
1757
1758 let mut parts = path.split('/');
1759
1760 if parts.next() != Some("channel") {
1761 return None;
1762 }
1763
1764 let slug = parts.next()?;
1765 let id_str = slug.split('-').next_back()?;
1766 let channel_id = id_str.parse::<u64>().ok()?;
1767
1768 let Some(next) = parts.next() else {
1769 return Some(ZedLink::Channel { channel_id });
1770 };
1771
1772 if let Some(heading) = next.strip_prefix("notes#") {
1773 return Some(ZedLink::ChannelNotes {
1774 channel_id,
1775 heading: Some(heading.to_string()),
1776 });
1777 }
1778
1779 if next == "notes" {
1780 return Some(ZedLink::ChannelNotes {
1781 channel_id,
1782 heading: None,
1783 });
1784 }
1785
1786 None
1787}
1788
1789#[cfg(test)]
1790mod tests {
1791 use super::*;
1792 use crate::test::{FakeServer, parse_authorization_header};
1793
1794 use clock::FakeSystemClock;
1795 use gpui::{AppContext as _, BackgroundExecutor, TestAppContext};
1796 use http_client::FakeHttpClient;
1797 use parking_lot::Mutex;
1798 use proto::TypedEnvelope;
1799 use settings::SettingsStore;
1800 use std::future;
1801
1802 #[test]
1803 fn test_proxy_settings_trims_and_ignores_empty_proxy() {
1804 let mut content = SettingsContent::default();
1805 content.proxy = Some(" ".to_owned());
1806 assert_eq!(ProxySettings::from_settings(&content).proxy, None);
1807
1808 content.proxy = Some("http://127.0.0.1:10809".to_owned());
1809 assert_eq!(
1810 ProxySettings::from_settings(&content).proxy.as_deref(),
1811 Some("http://127.0.0.1:10809")
1812 );
1813 }
1814
1815 #[gpui::test(iterations = 10)]
1816 async fn test_reconnection(cx: &mut TestAppContext) {
1817 init_test(cx);
1818 let user_id = 5;
1819 let client = cx.update(|cx| {
1820 Client::new(
1821 Arc::new(FakeSystemClock::new()),
1822 FakeHttpClient::with_404_response(),
1823 cx,
1824 )
1825 });
1826 let server = FakeServer::for_client(user_id, &client, cx).await;
1827 let mut status = client.status();
1828 assert!(matches!(
1829 status.next().await,
1830 Some(Status::Connected { .. })
1831 ));
1832 assert_eq!(server.auth_count(), 1);
1833
1834 server.forbid_connections();
1835 server.disconnect();
1836 while !matches!(status.next().await, Some(Status::ReconnectionError { .. })) {}
1837
1838 server.allow_connections();
1839 cx.executor().advance_clock(Duration::from_secs(10));
1840 while !matches!(status.next().await, Some(Status::Connected { .. })) {}
1841 assert_eq!(server.auth_count(), 1); // Client reused the cached credentials when reconnecting
1842
1843 server.forbid_connections();
1844 server.disconnect();
1845 while !matches!(status.next().await, Some(Status::ReconnectionError { .. })) {}
1846
1847 // Clear cached credentials after authentication fails
1848 server.roll_access_token();
1849 server.allow_connections();
1850 cx.executor().run_until_parked();
1851 cx.executor().advance_clock(Duration::from_secs(10));
1852 while !matches!(status.next().await, Some(Status::Connected { .. })) {}
1853 assert_eq!(server.auth_count(), 2); // Client re-authenticated due to an invalid token
1854 }
1855
1856 #[gpui::test(iterations = 10)]
1857 async fn test_auth_failure_during_reconnection(cx: &mut TestAppContext) {
1858 init_test(cx);
1859 let http_client = FakeHttpClient::with_200_response();
1860 let client =
1861 cx.update(|cx| Client::new(Arc::new(FakeSystemClock::new()), http_client.clone(), cx));
1862 let server = FakeServer::for_client(42, &client, cx).await;
1863 let mut status = client.status();
1864 assert!(matches!(
1865 status.next().await,
1866 Some(Status::Connected { .. })
1867 ));
1868 assert_eq!(server.auth_count(), 1);
1869
1870 // Simulate an auth failure during reconnection.
1871 http_client
1872 .as_fake()
1873 .replace_handler(|_, _request| async move {
1874 Ok(http_client::Response::builder()
1875 .status(503)
1876 .body("".into())
1877 .unwrap())
1878 });
1879 server.disconnect();
1880 while !matches!(status.next().await, Some(Status::ReconnectionError { .. })) {}
1881
1882 // Restore the ability to authenticate.
1883 http_client
1884 .as_fake()
1885 .replace_handler(|_, _request| async move {
1886 Ok(http_client::Response::builder()
1887 .status(200)
1888 .body("".into())
1889 .unwrap())
1890 });
1891 cx.executor().advance_clock(Duration::from_secs(10));
1892 while !matches!(status.next().await, Some(Status::Connected { .. })) {}
1893 assert_eq!(server.auth_count(), 1); // Client reused the cached credentials when reconnecting
1894 }
1895
1896 #[gpui::test(iterations = 10)]
1897 async fn test_connection_timeout(executor: BackgroundExecutor, cx: &mut TestAppContext) {
1898 init_test(cx);
1899 let user_id = 5;
1900 let client = cx.update(|cx| {
1901 Client::new(
1902 Arc::new(FakeSystemClock::new()),
1903 FakeHttpClient::with_404_response(),
1904 cx,
1905 )
1906 });
1907 let mut status = client.status();
1908
1909 // Time out when client tries to connect.
1910 client.override_authenticate(move |cx| {
1911 cx.background_spawn(async move {
1912 Ok(Credentials {
1913 user_id,
1914 access_token: "token".into(),
1915 })
1916 })
1917 });
1918 client.override_establish_connection(|_, cx| {
1919 cx.background_spawn(async move {
1920 future::pending::<()>().await;
1921 unreachable!()
1922 })
1923 });
1924 let auth_and_connect = cx.spawn({
1925 let client = client.clone();
1926 |cx| async move { client.connect(false, &cx).await }
1927 });
1928 executor.run_until_parked();
1929 assert!(matches!(status.next().await, Some(Status::Connecting)));
1930
1931 executor.advance_clock(CONNECTION_TIMEOUT);
1932 assert!(matches!(status.next().await, Some(Status::ConnectionError)));
1933 auth_and_connect.await.into_response().unwrap_err();
1934
1935 // Allow the connection to be established.
1936 let server = FakeServer::for_client(user_id, &client, cx).await;
1937 assert!(matches!(
1938 status.next().await,
1939 Some(Status::Connected { .. })
1940 ));
1941
1942 // Disconnect client.
1943 server.forbid_connections();
1944 server.disconnect();
1945 while !matches!(status.next().await, Some(Status::ReconnectionError { .. })) {}
1946
1947 // Time out when re-establishing the connection.
1948 server.allow_connections();
1949 client.override_establish_connection(|_, cx| {
1950 cx.background_spawn(async move {
1951 future::pending::<()>().await;
1952 unreachable!()
1953 })
1954 });
1955 executor.advance_clock(2 * INITIAL_RECONNECTION_DELAY);
1956 assert!(matches!(status.next().await, Some(Status::Reconnecting)));
1957
1958 executor.advance_clock(CONNECTION_TIMEOUT);
1959 assert!(matches!(
1960 status.next().await,
1961 Some(Status::ReconnectionError { .. })
1962 ));
1963 }
1964
1965 #[gpui::test(iterations = 10)]
1966 async fn test_reauthenticate_only_if_unauthorized(cx: &mut TestAppContext) {
1967 init_test(cx);
1968 let auth_count = Arc::new(Mutex::new(0));
1969 let http_client = FakeHttpClient::create(|_request| async move {
1970 Ok(http_client::Response::builder()
1971 .status(200)
1972 .body("".into())
1973 .unwrap())
1974 });
1975 let client =
1976 cx.update(|cx| Client::new(Arc::new(FakeSystemClock::new()), http_client.clone(), cx));
1977 client.override_authenticate({
1978 let auth_count = auth_count.clone();
1979 move |cx| {
1980 let auth_count = auth_count.clone();
1981 cx.background_spawn(async move {
1982 *auth_count.lock() += 1;
1983 Ok(Credentials {
1984 user_id: 1,
1985 access_token: auth_count.lock().to_string(),
1986 })
1987 })
1988 }
1989 });
1990
1991 let credentials = client.sign_in(false, &cx.to_async()).await.unwrap();
1992 assert_eq!(*auth_count.lock(), 1);
1993 assert_eq!(credentials.access_token, "1");
1994
1995 // If credentials are still valid, signing in doesn't trigger authentication.
1996 let credentials = client.sign_in(false, &cx.to_async()).await.unwrap();
1997 assert_eq!(*auth_count.lock(), 1);
1998 assert_eq!(credentials.access_token, "1");
1999
2000 // If the server is unavailable, signing in doesn't trigger authentication.
2001 http_client
2002 .as_fake()
2003 .replace_handler(|_, _request| async move {
2004 Ok(http_client::Response::builder()
2005 .status(503)
2006 .body("".into())
2007 .unwrap())
2008 });
2009 client.sign_in(false, &cx.to_async()).await.unwrap_err();
2010 assert_eq!(*auth_count.lock(), 1);
2011
2012 // If credentials became invalid, signing in triggers authentication.
2013 http_client
2014 .as_fake()
2015 .replace_handler(|_, request| async move {
2016 let credentials = parse_authorization_header(&request).unwrap();
2017 if credentials.access_token == "2" {
2018 Ok(http_client::Response::builder()
2019 .status(200)
2020 .body("".into())
2021 .unwrap())
2022 } else {
2023 Ok(http_client::Response::builder()
2024 .status(401)
2025 .body("".into())
2026 .unwrap())
2027 }
2028 });
2029 let credentials = client.sign_in(false, &cx.to_async()).await.unwrap();
2030 assert_eq!(*auth_count.lock(), 2);
2031 assert_eq!(credentials.access_token, "2");
2032 }
2033
2034 #[gpui::test(iterations = 10)]
2035 async fn test_authenticating_more_than_once(
2036 cx: &mut TestAppContext,
2037 executor: BackgroundExecutor,
2038 ) {
2039 init_test(cx);
2040 let auth_count = Arc::new(Mutex::new(0));
2041 let dropped_auth_count = Arc::new(Mutex::new(0));
2042 let client = cx.update(|cx| {
2043 Client::new(
2044 Arc::new(FakeSystemClock::new()),
2045 FakeHttpClient::with_404_response(),
2046 cx,
2047 )
2048 });
2049 client.override_authenticate({
2050 let auth_count = auth_count.clone();
2051 let dropped_auth_count = dropped_auth_count.clone();
2052 move |cx| {
2053 let auth_count = auth_count.clone();
2054 let dropped_auth_count = dropped_auth_count.clone();
2055 cx.background_spawn(async move {
2056 *auth_count.lock() += 1;
2057 let _drop = util::defer(move || *dropped_auth_count.lock() += 1);
2058 future::pending::<()>().await;
2059 unreachable!()
2060 })
2061 }
2062 });
2063
2064 let _authenticate = cx.spawn({
2065 let client = client.clone();
2066 move |cx| async move { client.connect(false, &cx).await }
2067 });
2068 executor.run_until_parked();
2069 assert_eq!(*auth_count.lock(), 1);
2070 assert_eq!(*dropped_auth_count.lock(), 0);
2071
2072 let _authenticate = cx.spawn(|cx| async move { client.connect(false, &cx).await });
2073 executor.run_until_parked();
2074 assert_eq!(*auth_count.lock(), 2);
2075 assert_eq!(*dropped_auth_count.lock(), 1);
2076 }
2077
2078 #[gpui::test]
2079 async fn test_subscribing_to_entity(cx: &mut TestAppContext) {
2080 init_test(cx);
2081 let user_id = 5;
2082 let client = cx.update(|cx| {
2083 Client::new(
2084 Arc::new(FakeSystemClock::new()),
2085 FakeHttpClient::with_404_response(),
2086 cx,
2087 )
2088 });
2089 let server = FakeServer::for_client(user_id, &client, cx).await;
2090
2091 let (done_tx1, done_rx1) = smol::channel::unbounded();
2092 let (done_tx2, done_rx2) = smol::channel::unbounded();
2093 AnyProtoClient::from(client.clone()).add_entity_message_handler(
2094 move |entity: Entity<TestEntity>, _: TypedEnvelope<proto::JoinProject>, cx| {
2095 match entity.read_with(&cx, |entity, _| entity.id) {
2096 1 => done_tx1.try_send(()).unwrap(),
2097 2 => done_tx2.try_send(()).unwrap(),
2098 _ => unreachable!(),
2099 }
2100 async { Ok(()) }
2101 },
2102 );
2103 let entity1 = cx.new(|_| TestEntity {
2104 id: 1,
2105 subscription: None,
2106 });
2107 let entity2 = cx.new(|_| TestEntity {
2108 id: 2,
2109 subscription: None,
2110 });
2111 let entity3 = cx.new(|_| TestEntity {
2112 id: 3,
2113 subscription: None,
2114 });
2115
2116 let _subscription1 = client
2117 .subscribe_to_entity(1)
2118 .unwrap()
2119 .set_entity(&entity1, &cx.to_async());
2120 let _subscription2 = client
2121 .subscribe_to_entity(2)
2122 .unwrap()
2123 .set_entity(&entity2, &cx.to_async());
2124 // Ensure dropping a subscription for the same entity type still allows receiving of
2125 // messages for other entity IDs of the same type.
2126 let subscription3 = client
2127 .subscribe_to_entity(3)
2128 .unwrap()
2129 .set_entity(&entity3, &cx.to_async());
2130 drop(subscription3);
2131
2132 server.send(proto::JoinProject {
2133 project_id: 1,
2134 committer_name: None,
2135 committer_email: None,
2136 });
2137 server.send(proto::JoinProject {
2138 project_id: 2,
2139 committer_name: None,
2140 committer_email: None,
2141 });
2142 done_rx1.recv().await.unwrap();
2143 done_rx2.recv().await.unwrap();
2144 }
2145
2146 #[gpui::test]
2147 async fn test_subscribing_after_dropping_subscription(cx: &mut TestAppContext) {
2148 init_test(cx);
2149 let user_id = 5;
2150 let client = cx.update(|cx| {
2151 Client::new(
2152 Arc::new(FakeSystemClock::new()),
2153 FakeHttpClient::with_404_response(),
2154 cx,
2155 )
2156 });
2157 let server = FakeServer::for_client(user_id, &client, cx).await;
2158
2159 let entity = cx.new(|_| TestEntity::default());
2160 let (done_tx1, _done_rx1) = smol::channel::unbounded();
2161 let (done_tx2, done_rx2) = smol::channel::unbounded();
2162 let subscription1 = client.add_message_handler(
2163 entity.downgrade(),
2164 move |_, _: TypedEnvelope<proto::Ping>, _| {
2165 done_tx1.try_send(()).unwrap();
2166 async { Ok(()) }
2167 },
2168 );
2169 drop(subscription1);
2170 let _subscription2 = client.add_message_handler(
2171 entity.downgrade(),
2172 move |_, _: TypedEnvelope<proto::Ping>, _| {
2173 done_tx2.try_send(()).unwrap();
2174 async { Ok(()) }
2175 },
2176 );
2177 server.send(proto::Ping {});
2178 done_rx2.recv().await.unwrap();
2179 }
2180
2181 #[gpui::test]
2182 async fn test_dropping_subscription_in_handler(cx: &mut TestAppContext) {
2183 init_test(cx);
2184 let user_id = 5;
2185 let client = cx.update(|cx| {
2186 Client::new(
2187 Arc::new(FakeSystemClock::new()),
2188 FakeHttpClient::with_404_response(),
2189 cx,
2190 )
2191 });
2192 let server = FakeServer::for_client(user_id, &client, cx).await;
2193
2194 let entity = cx.new(|_| TestEntity::default());
2195 let (done_tx, done_rx) = smol::channel::unbounded();
2196 let subscription = client.add_message_handler(
2197 entity.clone().downgrade(),
2198 move |entity: Entity<TestEntity>, _: TypedEnvelope<proto::Ping>, mut cx| {
2199 entity
2200 .update(&mut cx, |entity, _| entity.subscription.take())
2201 .unwrap();
2202 done_tx.try_send(()).unwrap();
2203 async { Ok(()) }
2204 },
2205 );
2206 entity.update(cx, |entity, _| {
2207 entity.subscription = Some(subscription);
2208 });
2209 server.send(proto::Ping {});
2210 done_rx.recv().await.unwrap();
2211 }
2212
2213 #[derive(Default)]
2214 struct TestEntity {
2215 id: usize,
2216 subscription: Option<Subscription>,
2217 }
2218
2219 fn init_test(cx: &mut TestAppContext) {
2220 cx.update(|cx| {
2221 let settings_store = SettingsStore::test(cx);
2222 cx.set_global(settings_store);
2223 });
2224 }
2225}