| 1 | use std::{ |
| 2 | borrow::Cow, |
| 3 | collections::{HashMap, HashSet, VecDeque}, |
| 4 | future::Future, |
| 5 | io::Read as _, |
| 6 | panic::AssertUnwindSafe, |
| 7 | sync::{ |
| 8 | Arc, |
| 9 | atomic::{AtomicBool, Ordering}, |
| 10 | }, |
| 11 | }; |
| 12 | |
| 13 | use futures_util::{FutureExt, StreamExt}; |
| 14 | use matrix_sdk::{ |
| 15 | Client, Room, SessionChange, |
| 16 | media::{MediaFormat, MediaRequestParameters, MediaThumbnailSettings}, |
| 17 | room::edit::EditedContent, |
| 18 | room::reply::{EnforceThread, Reply as SdkReply}, |
| 19 | ruma::{ |
| 20 | OwnedDeviceId, OwnedEventId, OwnedRoomId, RoomId, |
| 21 | api::client::receipt::create_receipt::v3::ReceiptType, |
| 22 | events::{ |
| 23 | AnyGlobalAccountDataEventContent, AnyMessageLikeEventContent, |
| 24 | GlobalAccountDataEventType, Mentions, RoomAccountDataEventType, |
| 25 | receipt::ReceiptThread, |
| 26 | room::message::{ |
| 27 | AddMentions, MessageType, Relation, ReplyWithinThread, |
| 28 | RoomMessageEventContentWithoutRelation, |
| 29 | }, |
| 30 | }, |
| 31 | serde::Raw, |
| 32 | }, |
| 33 | send_queue::{LocalEchoContent, RoomSendQueueUpdate, SendHandle}, |
| 34 | }; |
| 35 | use matrix_sdk_ui::{ |
| 36 | sync_service::{State as SyncState, SyncService}, |
| 37 | timeline::{ |
| 38 | RoomExt, Timeline, TimelineEventItemId, TimelineFocus, TimelineReadReceiptTracking, |
| 39 | }, |
| 40 | }; |
| 41 | use thiserror::Error; |
| 42 | use tokio::{ |
| 43 | sync::{Mutex, mpsc, oneshot, watch}, |
| 44 | task::{AbortHandle, Id as TaskId, JoinHandle, JoinSet}, |
| 45 | }; |
| 46 | |
| 47 | use crate::{ |
| 48 | AccountCommand, AttachmentUpload, ClientHandle, Command, CommandErrorKind, CommandFailure, |
| 49 | CommandId, CommandKind, ConnectionState, CreateRoomOptions, EncryptionCommand, EngineErrorKind, |
| 50 | EngineFailure, Event, EventStream, HistoryState, InteractiveAuth, InteractiveAuthChallenge, |
| 51 | InteractiveAuthOutcome, LifecycleCommand, MediaCommand, MediaId, MediaSize, MessageContent, |
| 52 | MessageEditContent, MessageMentions, NotificationCommand, PowerLevelChanges, RichText, |
| 53 | RoomCommand, RoomNotificationMode, RoomPreset, RoomVisibility, TimelineCommand, TimelineId, |
| 54 | TypingState, |
| 55 | encryption::{VerificationController, encryption_state}, |
| 56 | error::{CommandError, classify_sdk_error}, |
| 57 | normalise::{MediaRegistration, MediaScope, normalise_timeline, normalise_timeline_diffs}, |
| 58 | transport::{ |
| 59 | ClientQueryError, CommandEnvelope, CommandResultError, DriverPort, DriverRequest, |
| 60 | EventSender, SendEventError, transport_pair, |
| 61 | }, |
| 62 | upload::prepare_upload, |
| 63 | }; |
| 64 | use matrix_sdk::ruma::api::{Metadata, OutgoingRequest, auth_scheme::SendAccessToken}; |
| 65 | use matrix_sdk_crypto::{AttachmentDecryptor, MediaEncryptionInfo}; |
| 66 | |
| 67 | #[derive(Clone, Debug, Eq, PartialEq)] |
| 68 | #[non_exhaustive] |
| 69 | pub struct EngineConfig { |
| 70 | pub command_capacity: usize, |
| 71 | pub event_capacity: usize, |
| 72 | pub initial_history_limit: u16, |
| 73 | pub max_media_bytes: usize, |
| 74 | pub max_media_sources: usize, |
| 75 | } |
| 76 | |
| 77 | impl EngineConfig { |
| 78 | #[must_use] |
| 79 | pub const fn with_command_capacity(mut self, capacity: usize) -> Self { |
| 80 | self.command_capacity = capacity; |
| 81 | self |
| 82 | } |
| 83 | |
| 84 | #[must_use] |
| 85 | pub const fn with_event_capacity(mut self, capacity: usize) -> Self { |
| 86 | self.event_capacity = capacity; |
| 87 | self |
| 88 | } |
| 89 | |
| 90 | #[must_use] |
| 91 | pub const fn with_initial_history_limit(mut self, limit: u16) -> Self { |
| 92 | self.initial_history_limit = limit; |
| 93 | self |
| 94 | } |
| 95 | |
| 96 | #[must_use] |
| 97 | pub const fn with_max_media_bytes(mut self, bytes: usize) -> Self { |
| 98 | self.max_media_bytes = bytes; |
| 99 | self |
| 100 | } |
| 101 | |
| 102 | #[must_use] |
| 103 | pub const fn with_max_media_sources(mut self, sources: usize) -> Self { |
| 104 | self.max_media_sources = sources; |
| 105 | self |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | impl Default for EngineConfig { |
| 110 | fn default() -> Self { |
| 111 | Self { |
| 112 | command_capacity: 64, |
| 113 | event_capacity: 128, |
| 114 | initial_history_limit: 30, |
| 115 | max_media_bytes: 20 * 1024 * 1024, |
| 116 | max_media_sources: 2_048, |
| 117 | } |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | #[derive(Debug, Error)] |
| 122 | pub enum EngineError { |
| 123 | #[error("the Matrix client is not authenticated")] |
| 124 | Unauthenticated, |
| 125 | #[error("command, event, and media source capacities must be nonzero")] |
| 126 | ZeroCapacity, |
| 127 | #[error("could not build the sync service")] |
| 128 | SyncService(#[source] matrix_sdk_ui::sync_service::Error), |
| 129 | #[error("the event receiver has closed")] |
| 130 | EventReceiverClosed, |
| 131 | #[error("engine task {task} panicked")] |
| 132 | TaskPanicked { task: String }, |
| 133 | } |
| 134 | |
| 135 | impl EngineError { |
| 136 | fn failure(&self) -> EngineFailure { |
| 137 | EngineFailure { |
| 138 | kind: match self { |
| 139 | Self::EventReceiverClosed => EngineErrorKind::EventReceiverClosed, |
| 140 | Self::Unauthenticated |
| 141 | | Self::ZeroCapacity |
| 142 | | Self::SyncService(_) |
| 143 | | Self::TaskPanicked { .. } => EngineErrorKind::Other, |
| 144 | }, |
| 145 | message: self.to_string(), |
| 146 | } |
| 147 | } |
| 148 | } |
| 149 | |
| 150 | type UploadWatchers = HashMap< |
| 151 | OwnedRoomId, |
| 152 | ( |
| 153 | AbortHandle, |
| 154 | watch::Receiver<Option<Result<(), CommandErrorKind>>>, |
| 155 | ), |
| 156 | >; |
| 157 | type MediaFlights = Arc<Mutex<HashMap<(MediaId, MediaSize), Vec<CommandId>>>>; |
| 158 | |
| 159 | pub struct Engine { |
| 160 | client: Client, |
| 161 | sync: Arc<SyncService>, |
| 162 | port: DriverPort, |
| 163 | rooms: HashMap<OwnedRoomId, RoomActorState>, |
| 164 | next_room_generation: u64, |
| 165 | room_actor_events: mpsc::UnboundedReceiver<RoomActorEvent>, |
| 166 | room_actor_event_sender: mpsc::UnboundedSender<RoomActorEvent>, |
| 167 | upload_watchers: UploadWatchers, |
| 168 | tasks: TaskRegistry, |
| 169 | session_changes: Option<tokio::sync::broadcast::Receiver<SessionChange>>, |
| 170 | initial_history_limit: u16, |
| 171 | room_command_capacity: usize, |
| 172 | max_media_bytes: usize, |
| 173 | media: Arc<Mutex<MediaRegistry>>, |
| 174 | notification_commands: mpsc::Sender<CommandJob<NotificationCommand>>, |
| 175 | notification_command_receiver: Option<mpsc::Receiver<CommandJob<NotificationCommand>>>, |
| 176 | encryption_commands: mpsc::Sender<EncryptionWork>, |
| 177 | encryption_command_receiver: Option<mpsc::Receiver<EncryptionWork>>, |
| 178 | verification: Arc<Mutex<VerificationController>>, |
| 179 | room_commands: mpsc::Sender<RoomJob>, |
| 180 | room_command_receiver: Option<mpsc::Receiver<RoomJob>>, |
| 181 | global_account_gates: HashMap<String, oneshot::Receiver<()>>, |
| 182 | room_account_gates: HashMap<(OwnedRoomId, String), oneshot::Receiver<()>>, |
| 183 | media_flights: MediaFlights, |
| 184 | } |
| 185 | |
| 186 | struct CommandJob<T> { |
| 187 | id: CommandId, |
| 188 | command: T, |
| 189 | } |
| 190 | |
| 191 | enum EncryptionWork { |
| 192 | Command(CommandJob<EncryptionCommand>), |
| 193 | } |
| 194 | |
| 195 | struct RoomJob { |
| 196 | id: CommandId, |
| 197 | command: RoomCommand, |
| 198 | reply: Option<oneshot::Sender<Result<OwnedRoomId, CommandResultError>>>, |
| 199 | } |
| 200 | |
| 201 | #[derive(Clone, Debug, Eq, Hash, PartialEq)] |
| 202 | enum RoomMutationKey { |
| 203 | Room(OwnedRoomId), |
| 204 | Target(String), |
| 205 | Direct(ruma::OwnedUserId), |
| 206 | Independent(CommandId), |
| 207 | } |
| 208 | |
| 209 | struct RoomJobCompletion { |
| 210 | key: RoomMutationKey, |
| 211 | id: CommandId, |
| 212 | reply: Option<oneshot::Sender<Result<OwnedRoomId, CommandResultError>>>, |
| 213 | result: Result<Option<OwnedRoomId>, CommandError>, |
| 214 | } |
| 215 | |
| 216 | #[derive(Clone)] |
| 217 | enum TaskContext { |
| 218 | Command { |
| 219 | id: CommandId, |
| 220 | kind: CommandKind, |
| 221 | }, |
| 222 | Watcher(&'static str), |
| 223 | RoomActor { |
| 224 | room_id: OwnedRoomId, |
| 225 | generation: u64, |
| 226 | }, |
| 227 | } |
| 228 | |
| 229 | impl TaskContext { |
| 230 | fn label(&self) -> String { |
| 231 | match self { |
| 232 | Self::Command { id, kind } => format!("{kind:?} command {}", id.get()), |
| 233 | Self::Watcher(name) => (*name).to_owned(), |
| 234 | Self::RoomActor { |
| 235 | room_id, |
| 236 | generation, |
| 237 | } => format!("room actor {room_id} generation {generation}"), |
| 238 | } |
| 239 | } |
| 240 | } |
| 241 | |
| 242 | struct TaskRegistry { |
| 243 | tasks: JoinSet<()>, |
| 244 | contexts: HashMap<TaskId, TaskContext>, |
| 245 | } |
| 246 | |
| 247 | impl TaskRegistry { |
| 248 | fn new() -> Self { |
| 249 | Self { |
| 250 | tasks: JoinSet::new(), |
| 251 | contexts: HashMap::new(), |
| 252 | } |
| 253 | } |
| 254 | |
| 255 | fn is_empty(&self) -> bool { |
| 256 | self.tasks.is_empty() |
| 257 | } |
| 258 | |
| 259 | fn spawn( |
| 260 | &mut self, |
| 261 | context: TaskContext, |
| 262 | future: impl Future<Output = ()> + Send + 'static, |
| 263 | ) -> AbortHandle { |
| 264 | let handle = self.tasks.spawn(future); |
| 265 | self.contexts.insert(handle.id(), context); |
| 266 | handle |
| 267 | } |
| 268 | |
| 269 | async fn join_next(&mut self) -> Option<(TaskContext, Result<(), tokio::task::JoinError>)> { |
| 270 | let result = self.tasks.join_next_with_id().await?; |
| 271 | let id = match &result { |
| 272 | Ok((id, ())) => *id, |
| 273 | Err(error) => error.id(), |
| 274 | }; |
| 275 | let context = self |
| 276 | .contexts |
| 277 | .remove(&id) |
| 278 | .expect("every registered task has context"); |
| 279 | Some((context, result.map(|(_, ())| ()))) |
| 280 | } |
| 281 | |
| 282 | async fn shutdown(&mut self) { |
| 283 | self.tasks.abort_all(); |
| 284 | while self.tasks.join_next().await.is_some() {} |
| 285 | self.contexts.clear(); |
| 286 | } |
| 287 | } |
| 288 | |
| 289 | enum RoomActorState { |
| 290 | Opening { |
| 291 | generation: u64, |
| 292 | sender: mpsc::Sender<RoomActorRequest>, |
| 293 | }, |
| 294 | Open { |
| 295 | generation: u64, |
| 296 | sender: mpsc::Sender<RoomActorRequest>, |
| 297 | }, |
| 298 | Closing { |
| 299 | generation: u64, |
| 300 | pending: VecDeque<DeferredRoomLifecycle>, |
| 301 | }, |
| 302 | } |
| 303 | |
| 304 | enum DeferredRoomLifecycle { |
| 305 | Open(CommandId), |
| 306 | Close(CommandId), |
| 307 | } |
| 308 | |
| 309 | impl RoomActorState { |
| 310 | const fn generation(&self) -> u64 { |
| 311 | match self { |
| 312 | Self::Opening { generation, .. } |
| 313 | | Self::Open { generation, .. } |
| 314 | | Self::Closing { generation, .. } => *generation, |
| 315 | } |
| 316 | } |
| 317 | |
| 318 | fn sender(&self) -> Option<&mpsc::Sender<RoomActorRequest>> { |
| 319 | match self { |
| 320 | Self::Opening { sender, .. } | Self::Open { sender, .. } => Some(sender), |
| 321 | Self::Closing { .. } => None, |
| 322 | } |
| 323 | } |
| 324 | } |
| 325 | |
| 326 | enum RoomActorEvent { |
| 327 | Ready { |
| 328 | room_id: OwnedRoomId, |
| 329 | generation: u64, |
| 330 | }, |
| 331 | Exited { |
| 332 | room_id: OwnedRoomId, |
| 333 | generation: u64, |
| 334 | }, |
| 335 | } |
| 336 | |
| 337 | enum EngineActivity { |
| 338 | Request(Option<Box<DriverRequest>>), |
| 339 | Task(Option<(TaskContext, Result<(), tokio::task::JoinError>)>), |
| 340 | RoomActor(Option<RoomActorEvent>), |
| 341 | } |
| 342 | |
| 343 | struct MediaRegistry { |
| 344 | entries: HashMap<MediaId, MediaRegistration>, |
| 345 | order: VecDeque<MediaId>, |
| 346 | limit: usize, |
| 347 | } |
| 348 | |
| 349 | impl MediaRegistry { |
| 350 | fn new(limit: usize) -> Self { |
| 351 | Self { |
| 352 | entries: HashMap::new(), |
| 353 | order: VecDeque::new(), |
| 354 | limit, |
| 355 | } |
| 356 | } |
| 357 | |
| 358 | fn insert_all(&mut self, media: Vec<MediaRegistration>) { |
| 359 | for media in media { |
| 360 | if !self.entries.contains_key(&media.id) { |
| 361 | self.order.push_back(media.id.clone()); |
| 362 | } |
| 363 | self.entries.insert(media.id.clone(), media); |
| 364 | } |
| 365 | while self.entries.len() > self.limit { |
| 366 | if let Some(id) = self.order.pop_front() { |
| 367 | self.entries.remove(&id); |
| 368 | } |
| 369 | } |
| 370 | } |
| 371 | } |
| 372 | |
| 373 | enum RoomActorRequest { |
| 374 | Opened { |
| 375 | id: CommandId, |
| 376 | }, |
| 377 | Execute { |
| 378 | id: CommandId, |
| 379 | command: TimelineCommand, |
| 380 | }, |
| 381 | Close { |
| 382 | id: CommandId, |
| 383 | }, |
| 384 | } |
| 385 | |
| 386 | struct RoomActor { |
| 387 | room_id: OwnedRoomId, |
| 388 | generation: u64, |
| 389 | room: Room, |
| 390 | receiver: mpsc::Receiver<RoomActorRequest>, |
| 391 | events: EventSender, |
| 392 | engine_events: mpsc::UnboundedSender<RoomActorEvent>, |
| 393 | media: Arc<Mutex<MediaRegistry>>, |
| 394 | initial_history_limit: u16, |
| 395 | open_ids: Vec<CommandId>, |
| 396 | } |
| 397 | |
| 398 | struct TimelineSession { |
| 399 | id: TimelineId, |
| 400 | timeline: Arc<Timeline>, |
| 401 | events: EventSender, |
| 402 | watcher: JoinHandle<()>, |
| 403 | media: Arc<Mutex<MediaRegistry>>, |
| 404 | current_user_id: Option<ruma::OwnedUserId>, |
| 405 | scope: MediaScope, |
| 406 | pagination_ids: Arc<Mutex<HashSet<CommandId>>>, |
| 407 | pagination_sender: mpsc::Sender<PaginationRequest>, |
| 408 | pagination_worker: JoinHandle<()>, |
| 409 | pagination_results: Option<mpsc::UnboundedSender<(CommandId, Result<(), CommandError>)>>, |
| 410 | pagination_result_task: JoinHandle<()>, |
| 411 | reached_start: Arc<AtomicBool>, |
| 412 | } |
| 413 | |
| 414 | struct PaginationRequest { |
| 415 | timeline: Arc<Timeline>, |
| 416 | events: EventSender, |
| 417 | timeline_id: TimelineId, |
| 418 | reached_start: Arc<AtomicBool>, |
| 419 | limit: u16, |
| 420 | command_id: Option<CommandId>, |
| 421 | results: mpsc::UnboundedSender<(CommandId, Result<(), CommandError>)>, |
| 422 | } |
| 423 | |
| 424 | impl TimelineSession { |
| 425 | async fn start( |
| 426 | id: TimelineId, |
| 427 | timeline: Timeline, |
| 428 | events: EventSender, |
| 429 | media: Arc<Mutex<MediaRegistry>>, |
| 430 | current_user_id: Option<ruma::OwnedUserId>, |
| 431 | initial_history_limit: u16, |
| 432 | ) -> Result<Self, SendEventError> { |
| 433 | let timeline = Arc::new(timeline); |
| 434 | let scope = MediaScope::new(); |
| 435 | let watcher = start_timeline_watcher( |
| 436 | id.clone(), |
| 437 | timeline.clone(), |
| 438 | events.clone(), |
| 439 | media.clone(), |
| 440 | current_user_id.clone(), |
| 441 | scope.clone(), |
| 442 | ) |
| 443 | .await?; |
| 444 | |
| 445 | let (pagination_sender, mut pagination_receiver) = mpsc::channel::<PaginationRequest>(32); |
| 446 | let pagination_worker = tokio::spawn(async move { |
| 447 | while let Some(request) = pagination_receiver.recv().await { |
| 448 | let command_id = request.command_id; |
| 449 | let results = request.results.clone(); |
| 450 | if AssertUnwindSafe(run_pagination(request)) |
| 451 | .catch_unwind() |
| 452 | .await |
| 453 | .is_err() |
| 454 | { |
| 455 | tracing::warn!(?command_id, "pagination task panicked"); |
| 456 | if let Some(id) = command_id { |
| 457 | let _ = results.send(( |
| 458 | id, |
| 459 | Err(CommandError::new( |
| 460 | CommandErrorKind::Timeline, |
| 461 | "pagination failed", |
| 462 | )), |
| 463 | )); |
| 464 | } |
| 465 | } |
| 466 | } |
| 467 | }); |
| 468 | let pagination_ids = Arc::new(Mutex::new(HashSet::new())); |
| 469 | let (pagination_results, mut result_receiver) = mpsc::unbounded_channel(); |
| 470 | let result_events = events.clone(); |
| 471 | let result_ids = pagination_ids.clone(); |
| 472 | let pagination_result_task = tokio::spawn(async move { |
| 473 | while let Some((id, result)) = result_receiver.recv().await { |
| 474 | if result_ids.lock().await.remove(&id) { |
| 475 | let _ = emit_command_result(&result_events, id, CommandKind::Timeline, result) |
| 476 | .await; |
| 477 | } |
| 478 | } |
| 479 | }); |
| 480 | |
| 481 | let mut session = Self { |
| 482 | id, |
| 483 | timeline, |
| 484 | events, |
| 485 | watcher, |
| 486 | media, |
| 487 | current_user_id, |
| 488 | scope, |
| 489 | pagination_sender, |
| 490 | pagination_worker, |
| 491 | pagination_ids, |
| 492 | pagination_results: Some(pagination_results), |
| 493 | pagination_result_task, |
| 494 | reached_start: Arc::new(AtomicBool::new(false)), |
| 495 | }; |
| 496 | if initial_history_limit > 0 { |
| 497 | session.paginate(initial_history_limit, None).await; |
| 498 | } |
| 499 | Ok(session) |
| 500 | } |
| 501 | |
| 502 | async fn resync(&mut self) -> Result<(), SendEventError> { |
| 503 | self.watcher.abort(); |
| 504 | let _ = (&mut self.watcher).await; |
| 505 | self.watcher = start_timeline_watcher( |
| 506 | self.id.clone(), |
| 507 | self.timeline.clone(), |
| 508 | self.events.clone(), |
| 509 | self.media.clone(), |
| 510 | self.current_user_id.clone(), |
| 511 | self.scope.clone(), |
| 512 | ) |
| 513 | .await?; |
| 514 | Ok(()) |
| 515 | } |
| 516 | |
| 517 | async fn paginate(&mut self, limit: u16, command_id: Option<CommandId>) { |
| 518 | if let Some(id) = command_id { |
| 519 | self.pagination_ids.lock().await.insert(id); |
| 520 | } |
| 521 | let request = PaginationRequest { |
| 522 | timeline: self.timeline.clone(), |
| 523 | events: self.events.clone(), |
| 524 | timeline_id: self.id.clone(), |
| 525 | reached_start: self.reached_start.clone(), |
| 526 | limit, |
| 527 | command_id, |
| 528 | results: self |
| 529 | .pagination_results |
| 530 | .as_ref() |
| 531 | .expect("pagination session is open") |
| 532 | .clone(), |
| 533 | }; |
| 534 | if let Err(error) = self.pagination_sender.try_send(request) { |
| 535 | let kind = match error { |
| 536 | mpsc::error::TrySendError::Full(_) => CommandErrorKind::QueueFull, |
| 537 | mpsc::error::TrySendError::Closed(_) => CommandErrorKind::TimelineNotOpen, |
| 538 | }; |
| 539 | if let Some(id) = command_id { |
| 540 | self.pagination_ids.lock().await.remove(&id); |
| 541 | let _ = emit_command_result( |
| 542 | &self.events, |
| 543 | id, |
| 544 | CommandKind::Timeline, |
| 545 | Err(CommandError::new(kind, "pagination queue is unavailable")), |
| 546 | ) |
| 547 | .await; |
| 548 | } |
| 549 | } |
| 550 | } |
| 551 | |
| 552 | async fn close(mut self, kind: CommandErrorKind, message: &'static str) { |
| 553 | self.pagination_worker.abort(); |
| 554 | let _ = (&mut self.pagination_worker).await; |
| 555 | drop(self.pagination_results.take()); |
| 556 | let _ = (&mut self.pagination_result_task).await; |
| 557 | let pending = self.pagination_ids.lock().await.drain().collect::<Vec<_>>(); |
| 558 | for id in pending { |
| 559 | let _ = emit_command_result( |
| 560 | &self.events, |
| 561 | id, |
| 562 | CommandKind::Timeline, |
| 563 | Err(CommandError::new(kind, message)), |
| 564 | ) |
| 565 | .await; |
| 566 | } |
| 567 | self.watcher.abort(); |
| 568 | let _ = (&mut self.watcher).await; |
| 569 | } |
| 570 | } |
| 571 | |
| 572 | async fn start_timeline_watcher( |
| 573 | id: TimelineId, |
| 574 | timeline: Arc<Timeline>, |
| 575 | events: EventSender, |
| 576 | media: Arc<Mutex<MediaRegistry>>, |
| 577 | current_user_id: Option<ruma::OwnedUserId>, |
| 578 | scope: MediaScope, |
| 579 | ) -> Result<JoinHandle<()>, SendEventError> { |
| 580 | let (items, mut stream) = timeline.subscribe().await; |
| 581 | let normalised = normalise_timeline(items.iter(), current_user_id.as_deref(), &scope); |
| 582 | media.lock().await.insert_all(normalised.media); |
| 583 | events |
| 584 | .send(Event::TimelineReset { |
| 585 | timeline_id: id.clone(), |
| 586 | items: normalised.items, |
| 587 | }) |
| 588 | .await?; |
| 589 | Ok(tokio::spawn(async move { |
| 590 | while let Some(diffs) = stream.next().await { |
| 591 | let normalised = normalise_timeline_diffs(diffs, current_user_id.as_deref(), &scope); |
| 592 | media.lock().await.insert_all(normalised.media); |
| 593 | if events |
| 594 | .send(Event::TimelineChanged { |
| 595 | timeline_id: id.clone(), |
| 596 | diffs: normalised.diffs, |
| 597 | }) |
| 598 | .await |
| 599 | .is_err() |
| 600 | { |
| 601 | tracing::debug!( |
| 602 | ?id, |
| 603 | "timeline watcher stopped because the event receiver closed" |
| 604 | ); |
| 605 | return; |
| 606 | } |
| 607 | } |
| 608 | tracing::debug!(?id, "timeline watcher stopped"); |
| 609 | })) |
| 610 | } |
| 611 | |
| 612 | impl Drop for TimelineSession { |
| 613 | fn drop(&mut self) { |
| 614 | self.watcher.abort(); |
| 615 | self.pagination_worker.abort(); |
| 616 | self.pagination_result_task.abort(); |
| 617 | } |
| 618 | } |
| 619 | |
| 620 | impl Engine { |
| 621 | pub async fn from_client( |
| 622 | client: Client, |
| 623 | config: EngineConfig, |
| 624 | ) -> Result<(Self, ClientHandle, EventStream), EngineError> { |
| 625 | if client.user_id().is_none() { |
| 626 | return Err(EngineError::Unauthenticated); |
| 627 | } |
| 628 | if config.command_capacity == 0 |
| 629 | || config.event_capacity == 0 |
| 630 | || config.max_media_sources == 0 |
| 631 | { |
| 632 | return Err(EngineError::ZeroCapacity); |
| 633 | } |
| 634 | let session_changes = client.subscribe_to_session_changes(); |
| 635 | let sync = Arc::new( |
| 636 | SyncService::builder(client.clone()) |
| 637 | .with_offline_mode() |
| 638 | .build() |
| 639 | .await |
| 640 | .map_err(EngineError::SyncService)?, |
| 641 | ); |
| 642 | let (handle, port, events) = transport_pair( |
| 643 | client.clone(), |
| 644 | sync.clone(), |
| 645 | config.command_capacity, |
| 646 | config.event_capacity, |
| 647 | ); |
| 648 | client.send_queue().enable_upload_progress(true); |
| 649 | let (room_actor_event_sender, room_actor_events) = mpsc::unbounded_channel(); |
| 650 | let (notification_commands, notification_command_receiver) = |
| 651 | mpsc::channel(config.command_capacity); |
| 652 | let (encryption_commands, encryption_command_receiver) = |
| 653 | mpsc::channel(config.command_capacity); |
| 654 | let (room_commands, room_command_receiver) = mpsc::channel(config.command_capacity); |
| 655 | Ok(( |
| 656 | Self { |
| 657 | client, |
| 658 | sync, |
| 659 | port, |
| 660 | rooms: HashMap::new(), |
| 661 | next_room_generation: 0, |
| 662 | room_actor_events, |
| 663 | room_actor_event_sender, |
| 664 | upload_watchers: HashMap::new(), |
| 665 | tasks: TaskRegistry::new(), |
| 666 | session_changes: Some(session_changes), |
| 667 | initial_history_limit: config.initial_history_limit, |
| 668 | room_command_capacity: config.command_capacity, |
| 669 | max_media_bytes: config.max_media_bytes, |
| 670 | media: Arc::new(Mutex::new(MediaRegistry::new(config.max_media_sources))), |
| 671 | notification_commands, |
| 672 | notification_command_receiver: Some(notification_command_receiver), |
| 673 | encryption_commands, |
| 674 | encryption_command_receiver: Some(encryption_command_receiver), |
| 675 | verification: Arc::new(Mutex::new(VerificationController::default())), |
| 676 | room_commands, |
| 677 | room_command_receiver: Some(room_command_receiver), |
| 678 | global_account_gates: HashMap::new(), |
| 679 | room_account_gates: HashMap::new(), |
| 680 | media_flights: Arc::new(Mutex::new(HashMap::new())), |
| 681 | }, |
| 682 | handle, |
| 683 | events, |
| 684 | )) |
| 685 | } |
| 686 | |
| 687 | pub async fn run(mut self) -> Result<(), EngineError> { |
| 688 | let sender = self.port.event_sender(); |
| 689 | let user_id = self |
| 690 | .client |
| 691 | .user_id() |
| 692 | .expect("authentication was checked during construction") |
| 693 | .to_owned(); |
| 694 | if sender.send(Event::Authenticated { user_id }).await.is_err() { |
| 695 | self.shutdown().await; |
| 696 | return Err(EngineError::EventReceiverClosed); |
| 697 | } |
| 698 | self.port |
| 699 | .connection_sender() |
| 700 | .send_replace(ConnectionState::Connecting); |
| 701 | if sender |
| 702 | .send(Event::ConnectionChanged(ConnectionState::Connecting)) |
| 703 | .await |
| 704 | .is_err() |
| 705 | { |
| 706 | self.shutdown().await; |
| 707 | return Err(EngineError::EventReceiverClosed); |
| 708 | } |
| 709 | self.start_watchers(); |
| 710 | self.start_domain_workers(); |
| 711 | self.sync.start().await; |
| 712 | let mut terminal_error = None; |
| 713 | |
| 714 | loop { |
| 715 | let activity = tokio::select! { |
| 716 | biased; |
| 717 | _ = sender.closed() => { |
| 718 | terminal_error = Some(EngineError::EventReceiverClosed); |
| 719 | break; |
| 720 | } |
| 721 | request = self.port.recv() => EngineActivity::Request(request.map(Box::new)), |
| 722 | completed = self.tasks.join_next(), if !self.tasks.is_empty() => { |
| 723 | EngineActivity::Task(completed) |
| 724 | } |
| 725 | event = self.room_actor_events.recv() => EngineActivity::RoomActor(event), |
| 726 | }; |
| 727 | match activity { |
| 728 | EngineActivity::Request(Some(request)) => { |
| 729 | let Some(envelope) = self.dispatch_request(*request).await else { |
| 730 | continue; |
| 731 | }; |
| 732 | let id = envelope.id; |
| 733 | let command = envelope.command; |
| 734 | if matches!(command, Command::Lifecycle(LifecycleCommand::Shutdown)) { |
| 735 | let _ = |
| 736 | emit_command_result(&sender, id, CommandKind::Lifecycle, Ok(())).await; |
| 737 | break; |
| 738 | } |
| 739 | let kind = command.kind(); |
| 740 | tracing::debug!(?id, ?kind, "dispatching command"); |
| 741 | let result = self.execute(id, command).await; |
| 742 | if Self::emit_sync_result(&sender, id, kind, result) |
| 743 | .await |
| 744 | .is_err() |
| 745 | { |
| 746 | terminal_error = Some(EngineError::EventReceiverClosed); |
| 747 | break; |
| 748 | } |
| 749 | } |
| 750 | EngineActivity::Request(None) => break, |
| 751 | EngineActivity::Task(Some((context, result))) => { |
| 752 | if let Err(error) = result |
| 753 | && error.is_panic() |
| 754 | { |
| 755 | match context { |
| 756 | TaskContext::Command { id, kind } => { |
| 757 | if sender |
| 758 | .send(Event::CommandFailed(CommandFailure { |
| 759 | id, |
| 760 | command: kind, |
| 761 | kind: CommandErrorKind::Other, |
| 762 | message: "command task panicked".to_owned(), |
| 763 | })) |
| 764 | .await |
| 765 | .is_err() |
| 766 | { |
| 767 | terminal_error = Some(EngineError::EventReceiverClosed); |
| 768 | break; |
| 769 | } |
| 770 | } |
| 771 | context => { |
| 772 | terminal_error = Some(EngineError::TaskPanicked { |
| 773 | task: context.label(), |
| 774 | }); |
| 775 | break; |
| 776 | } |
| 777 | } |
| 778 | } |
| 779 | } |
| 780 | EngineActivity::Task(None) => {} |
| 781 | EngineActivity::RoomActor(Some(event)) => { |
| 782 | if let Err(error) = self.handle_room_actor_event(event).await { |
| 783 | terminal_error = Some(error); |
| 784 | break; |
| 785 | } |
| 786 | } |
| 787 | EngineActivity::RoomActor(None) => { |
| 788 | terminal_error = Some(EngineError::TaskPanicked { |
| 789 | task: "room actor event channel".to_owned(), |
| 790 | }); |
| 791 | break; |
| 792 | } |
| 793 | } |
| 794 | } |
| 795 | |
| 796 | if let Some(error) = terminal_error.as_ref() { |
| 797 | let _ = sender.send(Event::Failed(error.failure())).await; |
| 798 | } |
| 799 | self.shutdown().await; |
| 800 | let _ = sender.send(Event::Stopped).await; |
| 801 | if let Some(error) = terminal_error { |
| 802 | Err(error) |
| 803 | } else { |
| 804 | Ok(()) |
| 805 | } |
| 806 | } |
| 807 | |
| 808 | async fn emit_sync_result( |
| 809 | sender: &EventSender, |
| 810 | id: CommandId, |
| 811 | kind: CommandKind, |
| 812 | result: Result<bool, CommandError>, |
| 813 | ) -> Result<(), SendEventError> { |
| 814 | match result { |
| 815 | Ok(true) => Ok(()), |
| 816 | Ok(false) => emit_command_result(sender, id, kind, Ok(())).await, |
| 817 | Err(error) => { |
| 818 | tracing::warn!(?id, ?kind, error = ?error, "command failed"); |
| 819 | emit_command_result(sender, id, kind, Err(error)).await?; |
| 820 | Ok(()) |
| 821 | } |
| 822 | } |
| 823 | } |
| 824 | |
| 825 | fn spawn_logout(&mut self, id: CommandId) { |
| 826 | let events = self.port.event_sender(); |
| 827 | let client = self.client.clone(); |
| 828 | self.tasks.spawn( |
| 829 | TaskContext::Command { |
| 830 | id, |
| 831 | kind: CommandKind::Account, |
| 832 | }, |
| 833 | async move { |
| 834 | match client |
| 835 | .logout() |
| 836 | .await |
| 837 | .map(|_| ()) |
| 838 | .map_err(|source| CommandError::from_sdk("logout failed", source)) |
| 839 | { |
| 840 | Ok(()) => { |
| 841 | let _ = |
| 842 | emit_command_result(&events, id, CommandKind::Account, Ok(())).await; |
| 843 | let _ = events.send(Event::LoggedOut).await; |
| 844 | } |
| 845 | Err(error) => { |
| 846 | let _ = emit_command_result(&events, id, CommandKind::Account, Err(error)) |
| 847 | .await; |
| 848 | } |
| 849 | } |
| 850 | }, |
| 851 | ); |
| 852 | } |
| 853 | |
| 854 | async fn dispatch_request(&mut self, request: DriverRequest) -> Option<CommandEnvelope> { |
| 855 | match request { |
| 856 | DriverRequest::Command(command) => Some(command), |
| 857 | DriverRequest::DeleteDevices { |
| 858 | id, |
| 859 | device_ids, |
| 860 | auth, |
| 861 | reply, |
| 862 | } => { |
| 863 | self.spawn_delete_devices(id, device_ids, auth, Some(reply)); |
| 864 | None |
| 865 | } |
| 866 | DriverRequest::RoomResult { id, command, reply } => { |
| 867 | if let Err(error) = self.spawn_room_command_with_reply(id, command, Some(reply)) { |
| 868 | tracing::warn!(?id, error = ?error, "room result request failed"); |
| 869 | } |
| 870 | None |
| 871 | } |
| 872 | DriverRequest::SetGlobalAccountData { |
| 873 | event_type, |
| 874 | content, |
| 875 | reply, |
| 876 | } => { |
| 877 | self.spawn_global_account_data_write(event_type, content, reply); |
| 878 | None |
| 879 | } |
| 880 | DriverRequest::SetRoomAccountData { |
| 881 | room_id, |
| 882 | event_type, |
| 883 | content, |
| 884 | reply, |
| 885 | } => { |
| 886 | self.spawn_room_account_data_write(room_id, event_type, content, reply); |
| 887 | None |
| 888 | } |
| 889 | } |
| 890 | } |
| 891 | |
| 892 | fn spawn_mark_read(&mut self, id: CommandId, timeline_id: TimelineId, event_id: OwnedEventId) { |
| 893 | let events = self.port.event_sender(); |
| 894 | let client = self.client.clone(); |
| 895 | self.tasks.spawn( |
| 896 | TaskContext::Command { |
| 897 | id, |
| 898 | kind: CommandKind::Room, |
| 899 | }, |
| 900 | async move { |
| 901 | let result = mark_read(&client, &timeline_id, event_id).await; |
| 902 | let _ = emit_command_result(&events, id, CommandKind::Room, result).await; |
| 903 | }, |
| 904 | ); |
| 905 | } |
| 906 | |
| 907 | fn spawn_typing(&mut self, id: CommandId, room_id: OwnedRoomId, typing: bool) { |
| 908 | let events = self.port.event_sender(); |
| 909 | let client = self.client.clone(); |
| 910 | self.tasks.spawn( |
| 911 | TaskContext::Command { |
| 912 | id, |
| 913 | kind: CommandKind::Room, |
| 914 | }, |
| 915 | async move { |
| 916 | let result = set_typing(&client, &room_id, typing).await; |
| 917 | let _ = emit_command_result(&events, id, CommandKind::Room, result).await; |
| 918 | }, |
| 919 | ); |
| 920 | } |
| 921 | |
| 922 | fn spawn_cancel_send( |
| 923 | &mut self, |
| 924 | id: CommandId, |
| 925 | room_id: OwnedRoomId, |
| 926 | transaction_id: matrix_sdk::ruma::OwnedTransactionId, |
| 927 | ) { |
| 928 | let events = self.port.event_sender(); |
| 929 | let client = self.client.clone(); |
| 930 | self.tasks.spawn( |
| 931 | TaskContext::Command { |
| 932 | id, |
| 933 | kind: CommandKind::Room, |
| 934 | }, |
| 935 | async move { |
| 936 | let result = cancel_send(&client, &room_id, &transaction_id).await; |
| 937 | let _ = emit_command_result(&events, id, CommandKind::Room, result).await; |
| 938 | }, |
| 939 | ); |
| 940 | } |
| 941 | |
| 942 | fn spawn_retry_send( |
| 943 | &mut self, |
| 944 | id: CommandId, |
| 945 | room_id: OwnedRoomId, |
| 946 | transaction_id: matrix_sdk::ruma::OwnedTransactionId, |
| 947 | ) { |
| 948 | let events = self.port.event_sender(); |
| 949 | let client = self.client.clone(); |
| 950 | self.tasks.spawn( |
| 951 | TaskContext::Command { |
| 952 | id, |
| 953 | kind: CommandKind::Room, |
| 954 | }, |
| 955 | async move { |
| 956 | let result = retry_send(&client, &room_id, &transaction_id).await; |
| 957 | let _ = emit_command_result(&events, id, CommandKind::Room, result).await; |
| 958 | }, |
| 959 | ); |
| 960 | } |
| 961 | |
| 962 | fn spawn_delete_devices( |
| 963 | &mut self, |
| 964 | id: CommandId, |
| 965 | device_ids: Vec<OwnedDeviceId>, |
| 966 | auth: Option<InteractiveAuth>, |
| 967 | reply: Option<oneshot::Sender<Result<InteractiveAuthOutcome, CommandResultError>>>, |
| 968 | ) { |
| 969 | let events = self.port.event_sender(); |
| 970 | let client = self.client.clone(); |
| 971 | self.tasks.spawn( |
| 972 | TaskContext::Command { |
| 973 | id, |
| 974 | kind: CommandKind::Account, |
| 975 | }, |
| 976 | async move { |
| 977 | let auth = match auth { |
| 978 | Some(auth) => match auth.into_sdk( |
| 979 | client |
| 980 | .user_id() |
| 981 | .expect("authentication was checked during construction"), |
| 982 | ) { |
| 983 | Ok(auth) => Some(auth), |
| 984 | Err(message) => { |
| 985 | let failure = CommandFailure { |
| 986 | id, |
| 987 | command: CommandKind::Account, |
| 988 | kind: CommandErrorKind::Other, |
| 989 | message: format!( |
| 990 | "interactive authentication data is invalid, {message}" |
| 991 | ), |
| 992 | }; |
| 993 | if let Some(reply) = reply { |
| 994 | let _ = |
| 995 | reply.send(Err(CommandResultError::Failed(failure.clone()))); |
| 996 | } else { |
| 997 | let _ = events.send(Event::CommandFailed(failure)).await; |
| 998 | } |
| 999 | return; |
| 1000 | } |
| 1001 | }, |
| 1002 | None => None, |
| 1003 | }; |
| 1004 | let result = client.delete_devices(&device_ids, auth).await; |
| 1005 | |
| 1006 | match result { |
| 1007 | Ok(_) => { |
| 1008 | if let Some(reply) = reply { |
| 1009 | let _ = reply.send(Ok(InteractiveAuthOutcome::Completed)); |
| 1010 | } else { |
| 1011 | let _ = emit_command_result(&events, id, CommandKind::Account, Ok(())) |
| 1012 | .await; |
| 1013 | } |
| 1014 | } |
| 1015 | Err(source) => { |
| 1016 | if let Some(info) = source.as_uiaa_response() { |
| 1017 | let challenge = InteractiveAuthChallenge::from(info); |
| 1018 | if let Some(reply) = reply { |
| 1019 | let _ = |
| 1020 | reply.send(Ok(InteractiveAuthOutcome::Challenge(challenge))); |
| 1021 | } else { |
| 1022 | let _ = events |
| 1023 | .send(Event::InteractiveAuthRequired { |
| 1024 | id, |
| 1025 | command: CommandKind::Account, |
| 1026 | challenge: challenge.clone(), |
| 1027 | }) |
| 1028 | .await; |
| 1029 | let _ = events |
| 1030 | .send(Event::CommandFailed(CommandFailure { |
| 1031 | id, |
| 1032 | command: CommandKind::Account, |
| 1033 | kind: CommandErrorKind::InteractiveAuthRequired, |
| 1034 | message: "interactive authentication is required" |
| 1035 | .to_owned(), |
| 1036 | })) |
| 1037 | .await; |
| 1038 | } |
| 1039 | } else { |
| 1040 | let error = CommandError::from_http("deleting devices failed", source); |
| 1041 | let failure = CommandFailure { |
| 1042 | id, |
| 1043 | command: CommandKind::Account, |
| 1044 | kind: error.kind, |
| 1045 | message: error.to_string(), |
| 1046 | }; |
| 1047 | if let Some(reply) = reply { |
| 1048 | let _ = |
| 1049 | reply.send(Err(CommandResultError::Failed(failure.clone()))); |
| 1050 | } else { |
| 1051 | let _ = events.send(Event::CommandFailed(failure)).await; |
| 1052 | } |
| 1053 | } |
| 1054 | } |
| 1055 | } |
| 1056 | }, |
| 1057 | ); |
| 1058 | } |
| 1059 | |
| 1060 | fn spawn_rename_device( |
| 1061 | &mut self, |
| 1062 | id: CommandId, |
| 1063 | device_id: OwnedDeviceId, |
| 1064 | display_name: String, |
| 1065 | ) { |
| 1066 | let events = self.port.event_sender(); |
| 1067 | let client = self.client.clone(); |
| 1068 | self.tasks.spawn( |
| 1069 | TaskContext::Command { |
| 1070 | id, |
| 1071 | kind: CommandKind::Account, |
| 1072 | }, |
| 1073 | async move { |
| 1074 | match client.rename_device(&device_id, &display_name).await { |
| 1075 | Ok(_) => { |
| 1076 | let _ = events |
| 1077 | .send(Event::CommandSucceeded { |
| 1078 | id, |
| 1079 | command: CommandKind::Account, |
| 1080 | }) |
| 1081 | .await; |
| 1082 | } |
| 1083 | Err(source) => { |
| 1084 | let error = CommandError::from_http("renaming device failed", source); |
| 1085 | let _ = events |
| 1086 | .send(Event::CommandFailed(CommandFailure { |
| 1087 | id, |
| 1088 | command: CommandKind::Account, |
| 1089 | kind: error.kind, |
| 1090 | message: error.to_string(), |
| 1091 | })) |
| 1092 | .await; |
| 1093 | } |
| 1094 | } |
| 1095 | }, |
| 1096 | ); |
| 1097 | } |
| 1098 | |
| 1099 | fn spawn_global_account_data_write( |
| 1100 | &mut self, |
| 1101 | event_type: GlobalAccountDataEventType, |
| 1102 | content: Raw<AnyGlobalAccountDataEventContent>, |
| 1103 | reply: oneshot::Sender<Result<(), ClientQueryError>>, |
| 1104 | ) { |
| 1105 | let (done, next) = oneshot::channel(); |
| 1106 | let previous = self |
| 1107 | .global_account_gates |
| 1108 | .insert(event_type.to_string(), next); |
| 1109 | let client = self.client.clone(); |
| 1110 | self.tasks.spawn( |
| 1111 | TaskContext::Watcher("global account data writer"), |
| 1112 | async move { |
| 1113 | if let Some(previous) = previous { |
| 1114 | let _ = previous.await; |
| 1115 | } |
| 1116 | let result = client |
| 1117 | .account() |
| 1118 | .set_account_data_raw(event_type, content) |
| 1119 | .await |
| 1120 | .map(|_| ()) |
| 1121 | .map_err(ClientQueryError::Sdk); |
| 1122 | let _ = reply.send(result); |
| 1123 | let _ = done.send(()); |
| 1124 | }, |
| 1125 | ); |
| 1126 | } |
| 1127 | |
| 1128 | fn spawn_room_account_data_write( |
| 1129 | &mut self, |
| 1130 | room_id: OwnedRoomId, |
| 1131 | event_type: RoomAccountDataEventType, |
| 1132 | content: Raw<matrix_sdk::ruma::events::AnyRoomAccountDataEventContent>, |
| 1133 | reply: oneshot::Sender<Result<(), ClientQueryError>>, |
| 1134 | ) { |
| 1135 | let (done, next) = oneshot::channel(); |
| 1136 | let previous = self |
| 1137 | .room_account_gates |
| 1138 | .insert((room_id.clone(), event_type.to_string()), next); |
| 1139 | let client = self.client.clone(); |
| 1140 | self.tasks.spawn( |
| 1141 | TaskContext::Watcher("room account data writer"), |
| 1142 | async move { |
| 1143 | if let Some(previous) = previous { |
| 1144 | let _ = previous.await; |
| 1145 | } |
| 1146 | let result = match client.get_room(&room_id) { |
| 1147 | Some(room) => room |
| 1148 | .set_account_data_raw(event_type, content) |
| 1149 | .await |
| 1150 | .map(|_| ()) |
| 1151 | .map_err(ClientQueryError::Sdk), |
| 1152 | None => Err(ClientQueryError::RoomUnknown(room_id)), |
| 1153 | }; |
| 1154 | let _ = reply.send(result); |
| 1155 | let _ = done.send(()); |
| 1156 | }, |
| 1157 | ); |
| 1158 | } |
| 1159 | |
| 1160 | fn start_domain_workers(&mut self) { |
| 1161 | let mut notification_commands = self |
| 1162 | .notification_command_receiver |
| 1163 | .take() |
| 1164 | .expect("notification worker has not started"); |
| 1165 | let notification_client = self.client.clone(); |
| 1166 | let notification_events = self.port.event_sender(); |
| 1167 | self.tasks.spawn( |
| 1168 | TaskContext::Watcher("notification command worker"), |
| 1169 | async move { |
| 1170 | while let Some(CommandJob { id, command }) = notification_commands.recv().await { |
| 1171 | let result = AssertUnwindSafe(execute_notification_command( |
| 1172 | ¬ification_client, |
| 1173 | command, |
| 1174 | )) |
| 1175 | .catch_unwind() |
| 1176 | .await |
| 1177 | .unwrap_or_else(|_| { |
| 1178 | Err(CommandError::new( |
| 1179 | CommandErrorKind::Other, |
| 1180 | "notification command panicked", |
| 1181 | )) |
| 1182 | }); |
| 1183 | let _ = emit_command_result( |
| 1184 | ¬ification_events, |
| 1185 | id, |
| 1186 | CommandKind::Notification, |
| 1187 | result, |
| 1188 | ) |
| 1189 | .await; |
| 1190 | } |
| 1191 | }, |
| 1192 | ); |
| 1193 | |
| 1194 | let mut encryption_commands = self |
| 1195 | .encryption_command_receiver |
| 1196 | .take() |
| 1197 | .expect("encryption worker has not started"); |
| 1198 | let encryption_client = self.client.clone(); |
| 1199 | let encryption_events = self.port.event_sender(); |
| 1200 | let verification = self.verification.clone(); |
| 1201 | self.tasks.spawn( |
| 1202 | TaskContext::Watcher("encryption command worker"), |
| 1203 | async move { |
| 1204 | while let Some(work) = encryption_commands.recv().await { |
| 1205 | match work { |
| 1206 | EncryptionWork::Command(CommandJob { id, command }) => { |
| 1207 | if matches!( |
| 1208 | command, |
| 1209 | EncryptionCommand::Recover(_) |
| 1210 | | EncryptionCommand::RecoverKeyBackup(_) |
| 1211 | ) { |
| 1212 | let result = AssertUnwindSafe(execute_encryption_command( |
| 1213 | &encryption_client, |
| 1214 | &encryption_events, |
| 1215 | &mut VerificationController::default(), |
| 1216 | command, |
| 1217 | )) |
| 1218 | .catch_unwind() |
| 1219 | .await |
| 1220 | .unwrap_or_else(|_| { |
| 1221 | Err(CommandError::new( |
| 1222 | CommandErrorKind::Other, |
| 1223 | "encryption command panicked", |
| 1224 | )) |
| 1225 | }); |
| 1226 | let _ = emit_command_result( |
| 1227 | &encryption_events, |
| 1228 | id, |
| 1229 | CommandKind::Encryption, |
| 1230 | result, |
| 1231 | ) |
| 1232 | .await; |
| 1233 | continue; |
| 1234 | } |
| 1235 | let is_key_backup = matches!( |
| 1236 | command, |
| 1237 | EncryptionCommand::CreateKeyBackup |
| 1238 | | EncryptionCommand::EnableKeyBackup |
| 1239 | | EncryptionCommand::DisableKeyBackup { .. } |
| 1240 | ); |
| 1241 | let result = if is_key_backup { |
| 1242 | AssertUnwindSafe(execute_key_backup_command( |
| 1243 | &encryption_client, |
| 1244 | command, |
| 1245 | )) |
| 1246 | .catch_unwind() |
| 1247 | .await |
| 1248 | .unwrap_or_else(|_| { |
| 1249 | Err(CommandError::new( |
| 1250 | CommandErrorKind::Other, |
| 1251 | "encryption command panicked", |
| 1252 | )) |
| 1253 | }) |
| 1254 | } else { |
| 1255 | let mut verification = verification.lock().await; |
| 1256 | let result = AssertUnwindSafe(execute_encryption_command( |
| 1257 | &encryption_client, |
| 1258 | &encryption_events, |
| 1259 | &mut verification, |
| 1260 | command, |
| 1261 | )) |
| 1262 | .catch_unwind() |
| 1263 | .await |
| 1264 | .unwrap_or_else(|_| { |
| 1265 | Err(CommandError::new( |
| 1266 | CommandErrorKind::Other, |
| 1267 | "encryption command panicked", |
| 1268 | )) |
| 1269 | }); |
| 1270 | drop(verification); |
| 1271 | result |
| 1272 | }; |
| 1273 | let _ = emit_command_result( |
| 1274 | &encryption_events, |
| 1275 | id, |
| 1276 | CommandKind::Encryption, |
| 1277 | result, |
| 1278 | ) |
| 1279 | .await; |
| 1280 | } |
| 1281 | } |
| 1282 | } |
| 1283 | }, |
| 1284 | ); |
| 1285 | |
| 1286 | let room_commands = self |
| 1287 | .room_command_receiver |
| 1288 | .take() |
| 1289 | .expect("room command worker has not started"); |
| 1290 | let room_client = self.client.clone(); |
| 1291 | let room_events = self.port.event_sender(); |
| 1292 | self.tasks.spawn( |
| 1293 | TaskContext::Watcher("room command worker"), |
| 1294 | run_room_command_worker( |
| 1295 | room_client, |
| 1296 | room_events, |
| 1297 | room_commands, |
| 1298 | self.room_command_capacity, |
| 1299 | ), |
| 1300 | ); |
| 1301 | } |
| 1302 | |
| 1303 | fn start_watchers(&mut self) { |
| 1304 | let mut session_changes = self |
| 1305 | .session_changes |
| 1306 | .take() |
| 1307 | .expect("session watcher has not started"); |
| 1308 | let session_sender = self.port.event_sender(); |
| 1309 | self.tasks |
| 1310 | .spawn(TaskContext::Watcher("session change watcher"), async move { |
| 1311 | loop { |
| 1312 | let event = match session_changes.recv().await { |
| 1313 | Ok(SessionChange::TokensRefreshed) => Event::SessionTokensChanged, |
| 1314 | Ok(SessionChange::UnknownToken(_)) => Event::SessionAccessRejected, |
| 1315 | Err(tokio::sync::broadcast::error::RecvError::Lagged(_)) => { |
| 1316 | Event::SessionTokensChanged |
| 1317 | } |
| 1318 | Err(tokio::sync::broadcast::error::RecvError::Closed) => break, |
| 1319 | }; |
| 1320 | if session_sender.send(event).await.is_err() { |
| 1321 | break; |
| 1322 | } |
| 1323 | } |
| 1324 | }); |
| 1325 | |
| 1326 | let mut sync_states = self.sync.state(); |
| 1327 | let state_sender = self.port.event_sender(); |
| 1328 | let connection_sender = self.port.connection_sender(); |
| 1329 | self.tasks.spawn( |
| 1330 | TaskContext::Watcher("connection state watcher"), |
| 1331 | async move { |
| 1332 | while let Some(state) = sync_states.next().await { |
| 1333 | let state = match state { |
| 1334 | SyncState::Idle => ConnectionState::Idle, |
| 1335 | SyncState::Running => ConnectionState::Online, |
| 1336 | SyncState::Offline => ConnectionState::Offline, |
| 1337 | SyncState::Terminated => ConnectionState::Stopped, |
| 1338 | SyncState::Error(error) => { |
| 1339 | tracing::warn!(error = %error, "sync service reported an error"); |
| 1340 | ConnectionState::Offline |
| 1341 | } |
| 1342 | }; |
| 1343 | connection_sender.send_replace(state); |
| 1344 | if state_sender |
| 1345 | .send(Event::ConnectionChanged(state)) |
| 1346 | .await |
| 1347 | .is_err() |
| 1348 | { |
| 1349 | tracing::debug!( |
| 1350 | "connection watcher stopped because the event receiver closed" |
| 1351 | ); |
| 1352 | break; |
| 1353 | } |
| 1354 | } |
| 1355 | tracing::debug!("connection watcher stopped because the sync state stream ended"); |
| 1356 | }, |
| 1357 | ); |
| 1358 | |
| 1359 | let client = self.client.clone(); |
| 1360 | let encryption_sender = self.port.event_sender(); |
| 1361 | self.tasks.spawn( |
| 1362 | TaskContext::Watcher("encryption state watcher"), |
| 1363 | async move { |
| 1364 | let Some(device_id) = client.device_id().map(ToOwned::to_owned) else { |
| 1365 | tracing::warn!("encryption watcher stopped because the client has no device id"); |
| 1366 | return; |
| 1367 | }; |
| 1368 | let recovery = client.encryption().recovery(); |
| 1369 | let backups = client.encryption().backups(); |
| 1370 | let mut recovery_stream = recovery.state_stream(); |
| 1371 | let mut backup_stream = backups.state_stream(); |
| 1372 | let mut verification_stream = client.encryption().verification_state(); |
| 1373 | let mut recovery_state = recovery.state(); |
| 1374 | let mut backup_state = backups.state(); |
| 1375 | let mut verification_state = verification_stream.get(); |
| 1376 | if encryption_sender |
| 1377 | .send(Event::EncryptionChanged(encryption_state( |
| 1378 | device_id.clone(), |
| 1379 | recovery_state, |
| 1380 | verification_state, |
| 1381 | backup_state, |
| 1382 | ))) |
| 1383 | .await |
| 1384 | .is_err() |
| 1385 | { |
| 1386 | tracing::debug!( |
| 1387 | "encryption watcher stopped because the event receiver closed" |
| 1388 | ); |
| 1389 | return; |
| 1390 | } |
| 1391 | loop { |
| 1392 | tokio::select! { |
| 1393 | update = recovery_stream.next() => { |
| 1394 | let Some(update) = update else { |
| 1395 | tracing::debug!("encryption watcher stopped because the recovery stream ended"); |
| 1396 | break; |
| 1397 | }; |
| 1398 | recovery_state = update; |
| 1399 | } |
| 1400 | update = verification_stream.next() => { |
| 1401 | let Some(update) = update else { |
| 1402 | tracing::debug!("encryption watcher stopped because the verification stream ended"); |
| 1403 | break; |
| 1404 | }; |
| 1405 | verification_state = update; |
| 1406 | } |
| 1407 | update = backup_stream.next() => { |
| 1408 | let Some(update) = update else { |
| 1409 | tracing::debug!("backup watcher stopped because the backup state stream ended"); |
| 1410 | break; |
| 1411 | }; |
| 1412 | backup_state = update.unwrap_or_else(|_| backups.state()); |
| 1413 | } |
| 1414 | } |
| 1415 | if encryption_sender |
| 1416 | .send(Event::EncryptionChanged(encryption_state( |
| 1417 | device_id.clone(), |
| 1418 | recovery_state, |
| 1419 | verification_state, |
| 1420 | backup_state, |
| 1421 | ))) |
| 1422 | .await |
| 1423 | .is_err() |
| 1424 | { |
| 1425 | tracing::debug!( |
| 1426 | "encryption watcher stopped because the event receiver closed" |
| 1427 | ); |
| 1428 | break; |
| 1429 | } |
| 1430 | } |
| 1431 | }, |
| 1432 | ); |
| 1433 | |
| 1434 | let client = self.client.clone(); |
| 1435 | let room_sender = self.port.event_sender(); |
| 1436 | self.tasks.spawn( |
| 1437 | TaskContext::Watcher("room list watcher"), |
| 1438 | async move { |
| 1439 | let (_, mut room_stream) = client.rooms_stream(); |
| 1440 | let mut info_stream = client.room_info_notable_update_receiver(); |
| 1441 | if room_sender.send(Event::RoomsChanged).await.is_err() { |
| 1442 | tracing::debug!("room watcher stopped because the event receiver closed"); |
| 1443 | return; |
| 1444 | } |
| 1445 | loop { |
| 1446 | tokio::select! { |
| 1447 | update = room_stream.next() => { |
| 1448 | if update.is_none() { |
| 1449 | tracing::debug!("room watcher stopped because the room stream ended"); |
| 1450 | break; |
| 1451 | } |
| 1452 | } |
| 1453 | update = info_stream.recv() => { |
| 1454 | if update.is_err() && info_stream.is_closed() { |
| 1455 | tracing::debug!("room watcher stopped because the room info stream ended"); |
| 1456 | break; |
| 1457 | } |
| 1458 | } |
| 1459 | } |
| 1460 | if room_sender.send(Event::RoomsChanged).await.is_err() { |
| 1461 | tracing::debug!("room watcher stopped because the event receiver closed"); |
| 1462 | break; |
| 1463 | } |
| 1464 | } |
| 1465 | }, |
| 1466 | ); |
| 1467 | |
| 1468 | let client = self.client.clone(); |
| 1469 | let notification_sender = self.port.event_sender(); |
| 1470 | self.tasks.spawn( |
| 1471 | TaskContext::Watcher("notification settings watcher"), |
| 1472 | async move { |
| 1473 | let settings = client.notification_settings().await; |
| 1474 | let mut changes = settings.subscribe_to_changes(); |
| 1475 | while let Ok(()) | Err(tokio::sync::broadcast::error::RecvError::Lagged(_)) = |
| 1476 | changes.recv().await |
| 1477 | { |
| 1478 | if notification_sender |
| 1479 | .send(Event::NotificationSettingsChanged) |
| 1480 | .await |
| 1481 | .is_err() |
| 1482 | { |
| 1483 | break; |
| 1484 | } |
| 1485 | } |
| 1486 | }, |
| 1487 | ); |
| 1488 | } |
| 1489 | |
| 1490 | async fn execute(&mut self, id: CommandId, command: Command) -> Result<bool, CommandError> { |
| 1491 | match command { |
| 1492 | Command::Account(AccountCommand::Logout) => { |
| 1493 | self.spawn_logout(id); |
| 1494 | Ok(true) |
| 1495 | } |
| 1496 | Command::Account(AccountCommand::RenameDevice { |
| 1497 | device_id, |
| 1498 | display_name, |
| 1499 | }) => { |
| 1500 | self.spawn_rename_device(id, device_id, display_name); |
| 1501 | Ok(true) |
| 1502 | } |
| 1503 | Command::Account(AccountCommand::DeleteDevices { device_ids, auth }) => { |
| 1504 | self.spawn_delete_devices(id, device_ids, auth, None); |
| 1505 | Ok(true) |
| 1506 | } |
| 1507 | Command::Room(RoomCommand::Open(room_id)) => self.open_room(id, room_id).await, |
| 1508 | Command::Room(RoomCommand::Close(room_id)) => self.close_room(id, &room_id).await, |
| 1509 | Command::Room(RoomCommand::MarkRead { |
| 1510 | timeline_id, |
| 1511 | event_id, |
| 1512 | }) => { |
| 1513 | self.spawn_mark_read(id, timeline_id, event_id); |
| 1514 | Ok(true) |
| 1515 | } |
| 1516 | Command::Room(RoomCommand::SetTyping { room_id, typing }) => { |
| 1517 | self.spawn_typing(id, room_id, typing); |
| 1518 | Ok(true) |
| 1519 | } |
| 1520 | Command::Room(RoomCommand::Join { room, via }) => { |
| 1521 | self.spawn_room_command(id, RoomCommand::Join { room, via }) |
| 1522 | } |
| 1523 | Command::Room(RoomCommand::Leave(room_id)) => { |
| 1524 | self.spawn_room_command(id, RoomCommand::Leave(room_id)) |
| 1525 | } |
| 1526 | Command::Room(RoomCommand::Forget(room_id)) => { |
| 1527 | self.spawn_room_command(id, RoomCommand::Forget(room_id)) |
| 1528 | } |
| 1529 | Command::Room(RoomCommand::AcceptInvite(room_id)) => { |
| 1530 | self.spawn_room_command(id, RoomCommand::AcceptInvite(room_id)) |
| 1531 | } |
| 1532 | Command::Room(RoomCommand::RejectInvite(room_id)) => { |
| 1533 | self.spawn_room_command(id, RoomCommand::RejectInvite(room_id)) |
| 1534 | } |
| 1535 | Command::Room(command @ RoomCommand::InviteUser { .. }) |
| 1536 | | Command::Room(command @ RoomCommand::KickUser { .. }) |
| 1537 | | Command::Room(command @ RoomCommand::BanUser { .. }) |
| 1538 | | Command::Room(command @ RoomCommand::UnbanUser { .. }) |
| 1539 | | Command::Room(command @ RoomCommand::SetPowerLevels { .. }) |
| 1540 | | Command::Room(command @ RoomCommand::SetUserPowerLevel { .. }) => { |
| 1541 | self.spawn_room_command(id, command) |
| 1542 | } |
| 1543 | Command::Room(RoomCommand::Create(options)) => { |
| 1544 | self.spawn_room_command(id, RoomCommand::Create(options)) |
| 1545 | } |
| 1546 | Command::Room(RoomCommand::CreateDirect(user_id)) => { |
| 1547 | self.spawn_room_command(id, RoomCommand::CreateDirect(user_id)) |
| 1548 | } |
| 1549 | Command::Room(RoomCommand::CancelSend { |
| 1550 | room_id, |
| 1551 | transaction_id, |
| 1552 | }) => { |
| 1553 | self.spawn_cancel_send(id, room_id, transaction_id); |
| 1554 | Ok(true) |
| 1555 | } |
| 1556 | Command::Room(RoomCommand::RetrySend { |
| 1557 | room_id, |
| 1558 | transaction_id, |
| 1559 | }) => { |
| 1560 | self.spawn_retry_send(id, room_id, transaction_id); |
| 1561 | Ok(true) |
| 1562 | } |
| 1563 | Command::Timeline(command) => self.route_timeline(id, command), |
| 1564 | Command::Media(MediaCommand::Fetch { id: media_id, size }) => { |
| 1565 | self.spawn_media_fetch(id, media_id, size); |
| 1566 | Ok(true) |
| 1567 | } |
| 1568 | Command::Media(MediaCommand::Upload { |
| 1569 | timeline_id, |
| 1570 | filename, |
| 1571 | mimetype, |
| 1572 | bytes, |
| 1573 | caption, |
| 1574 | }) => { |
| 1575 | let mut upload = AttachmentUpload::new(timeline_id, filename, mimetype, bytes); |
| 1576 | upload.caption = caption; |
| 1577 | self.spawn_media_upload(id, upload).await.map(|()| true) |
| 1578 | } |
| 1579 | Command::Media(MediaCommand::UploadAttachment(upload)) => { |
| 1580 | self.spawn_media_upload(id, upload).await.map(|()| true) |
| 1581 | } |
| 1582 | Command::Encryption(command) => { |
| 1583 | self.encryption_commands |
| 1584 | .try_send(EncryptionWork::Command(CommandJob { id, command })) |
| 1585 | .map_err(|error| domain_queue_error(error, "encryption"))?; |
| 1586 | Ok(true) |
| 1587 | } |
| 1588 | Command::Notification(command) => { |
| 1589 | self.notification_commands |
| 1590 | .try_send(CommandJob { id, command }) |
| 1591 | .map_err(|error| domain_queue_error(error, "notification"))?; |
| 1592 | Ok(true) |
| 1593 | } |
| 1594 | Command::Lifecycle(LifecycleCommand::Shutdown) => Ok(false), |
| 1595 | } |
| 1596 | } |
| 1597 | |
| 1598 | async fn open_room( |
| 1599 | &mut self, |
| 1600 | id: CommandId, |
| 1601 | room_id: OwnedRoomId, |
| 1602 | ) -> Result<bool, CommandError> { |
| 1603 | match self.rooms.get_mut(&room_id) { |
| 1604 | Some(RoomActorState::Opening { sender, .. }) => { |
| 1605 | send_room_actor_request(sender, RoomActorRequest::Opened { id })?; |
| 1606 | return Ok(true); |
| 1607 | } |
| 1608 | Some(RoomActorState::Open { .. }) => return Ok(false), |
| 1609 | Some(RoomActorState::Closing { pending, .. }) => { |
| 1610 | if pending.len() >= self.room_command_capacity { |
| 1611 | return Err(CommandError::new( |
| 1612 | CommandErrorKind::RoomBusy, |
| 1613 | "room lifecycle queue is full", |
| 1614 | )); |
| 1615 | } |
| 1616 | pending.push_back(DeferredRoomLifecycle::Open(id)); |
| 1617 | return Ok(true); |
| 1618 | } |
| 1619 | None => {} |
| 1620 | } |
| 1621 | self.start_room_actor(room_id, vec![id]).await?; |
| 1622 | Ok(true) |
| 1623 | } |
| 1624 | |
| 1625 | async fn start_room_actor( |
| 1626 | &mut self, |
| 1627 | room_id: OwnedRoomId, |
| 1628 | open_ids: Vec<CommandId>, |
| 1629 | ) -> Result<(), CommandError> { |
| 1630 | let room = self.client.get_room(&room_id).ok_or_else(|| { |
| 1631 | CommandError::new( |
| 1632 | CommandErrorKind::RoomUnknown, |
| 1633 | "room is not available in the local store", |
| 1634 | ) |
| 1635 | })?; |
| 1636 | self.next_room_generation = self.next_room_generation.wrapping_add(1); |
| 1637 | let generation = self.next_room_generation; |
| 1638 | let (sender, receiver) = mpsc::channel(self.room_command_capacity); |
| 1639 | let actor = RoomActor { |
| 1640 | room_id: room_id.clone(), |
| 1641 | generation, |
| 1642 | room, |
| 1643 | receiver, |
| 1644 | events: self.port.event_sender(), |
| 1645 | engine_events: self.room_actor_event_sender.clone(), |
| 1646 | media: self.media.clone(), |
| 1647 | initial_history_limit: self.initial_history_limit, |
| 1648 | open_ids, |
| 1649 | }; |
| 1650 | let current_user_id = self.client.user_id().map(ToOwned::to_owned); |
| 1651 | self.rooms.insert( |
| 1652 | room_id.clone(), |
| 1653 | RoomActorState::Opening { generation, sender }, |
| 1654 | ); |
| 1655 | let actor_room_id = room_id.clone(); |
| 1656 | let engine_events = self.room_actor_event_sender.clone(); |
| 1657 | self.tasks.spawn( |
| 1658 | TaskContext::RoomActor { |
| 1659 | room_id: room_id.clone(), |
| 1660 | generation, |
| 1661 | }, |
| 1662 | async move { |
| 1663 | actor.run(current_user_id).await; |
| 1664 | let _ = engine_events.send(RoomActorEvent::Exited { |
| 1665 | room_id: actor_room_id, |
| 1666 | generation, |
| 1667 | }); |
| 1668 | }, |
| 1669 | ); |
| 1670 | self.update_room_subscriptions().await; |
| 1671 | Ok(()) |
| 1672 | } |
| 1673 | |
| 1674 | fn spawn_room_command( |
| 1675 | &mut self, |
| 1676 | id: CommandId, |
| 1677 | command: RoomCommand, |
| 1678 | ) -> Result<bool, CommandError> { |
| 1679 | self.spawn_room_command_with_reply(id, command, None)?; |
| 1680 | Ok(true) |
| 1681 | } |
| 1682 | |
| 1683 | fn spawn_room_command_with_reply( |
| 1684 | &mut self, |
| 1685 | id: CommandId, |
| 1686 | command: RoomCommand, |
| 1687 | reply: Option<oneshot::Sender<Result<OwnedRoomId, CommandResultError>>>, |
| 1688 | ) -> Result<(), CommandError> { |
| 1689 | let job = RoomJob { id, command, reply }; |
| 1690 | self.room_commands.try_send(job).map_err(|error| { |
| 1691 | let (job, kind, message) = match error { |
| 1692 | mpsc::error::TrySendError::Full(job) => ( |
| 1693 | job, |
| 1694 | CommandErrorKind::QueueFull, |
| 1695 | "room command queue is full", |
| 1696 | ), |
| 1697 | mpsc::error::TrySendError::Closed(job) => ( |
| 1698 | job, |
| 1699 | CommandErrorKind::Other, |
| 1700 | "room command worker has stopped", |
| 1701 | ), |
| 1702 | }; |
| 1703 | let error = CommandError::new(kind, message); |
| 1704 | if let Some(reply) = job.reply { |
| 1705 | let _ = reply.send(Err(CommandResultError::Failed(CommandFailure { |
| 1706 | id: job.id, |
| 1707 | command: CommandKind::Room, |
| 1708 | kind: error.kind, |
| 1709 | message: error.to_string(), |
| 1710 | }))); |
| 1711 | } |
| 1712 | error |
| 1713 | }) |
| 1714 | } |
| 1715 | |
| 1716 | fn route_timeline( |
| 1717 | &mut self, |
| 1718 | id: CommandId, |
| 1719 | command: TimelineCommand, |
| 1720 | ) -> Result<bool, CommandError> { |
| 1721 | let room_id = command.room_id(); |
| 1722 | let sender = self |
| 1723 | .rooms |
| 1724 | .get(room_id) |
| 1725 | .and_then(RoomActorState::sender) |
| 1726 | .ok_or_else(|| CommandError::new(CommandErrorKind::RoomNotOpen, "room is not open"))?; |
| 1727 | send_room_actor_request(sender, RoomActorRequest::Execute { id, command })?; |
| 1728 | Ok(true) |
| 1729 | } |
| 1730 | |
| 1731 | async fn close_room(&mut self, id: CommandId, room_id: &RoomId) -> Result<bool, CommandError> { |
| 1732 | let Some(state) = self.rooms.get_mut(room_id) else { |
| 1733 | return Ok(false); |
| 1734 | }; |
| 1735 | if let RoomActorState::Closing { pending, .. } = state { |
| 1736 | if pending.len() >= self.room_command_capacity { |
| 1737 | return Err(CommandError::new( |
| 1738 | CommandErrorKind::RoomBusy, |
| 1739 | "room lifecycle queue is full", |
| 1740 | )); |
| 1741 | } |
| 1742 | pending.push_back(DeferredRoomLifecycle::Close(id)); |
| 1743 | return Ok(true); |
| 1744 | } |
| 1745 | let Some(sender) = state.sender().cloned() else { |
| 1746 | return Ok(false); |
| 1747 | }; |
| 1748 | let generation = state.generation(); |
| 1749 | send_room_actor_request(&sender, RoomActorRequest::Close { id })?; |
| 1750 | self.rooms.insert( |
| 1751 | room_id.to_owned(), |
| 1752 | RoomActorState::Closing { |
| 1753 | generation, |
| 1754 | pending: VecDeque::new(), |
| 1755 | }, |
| 1756 | ); |
| 1757 | self.update_room_subscriptions().await; |
| 1758 | Ok(true) |
| 1759 | } |
| 1760 | |
| 1761 | async fn handle_room_actor_event(&mut self, event: RoomActorEvent) -> Result<(), EngineError> { |
| 1762 | match event { |
| 1763 | RoomActorEvent::Ready { |
| 1764 | room_id, |
| 1765 | generation, |
| 1766 | } => { |
| 1767 | let stale = self |
| 1768 | .rooms |
| 1769 | .get(&room_id) |
| 1770 | .is_none_or(|state| state.generation() != generation); |
| 1771 | if stale { |
| 1772 | return Ok(()); |
| 1773 | } |
| 1774 | let Some(state) = self.rooms.remove(&room_id) else { |
| 1775 | return Ok(()); |
| 1776 | }; |
| 1777 | match state { |
| 1778 | RoomActorState::Opening { |
| 1779 | generation: current, |
| 1780 | sender, |
| 1781 | } if current == generation => { |
| 1782 | self.rooms |
| 1783 | .insert(room_id, RoomActorState::Open { generation, sender }); |
| 1784 | } |
| 1785 | state => { |
| 1786 | self.rooms.insert(room_id, state); |
| 1787 | } |
| 1788 | } |
| 1789 | } |
| 1790 | RoomActorEvent::Exited { |
| 1791 | room_id, |
| 1792 | generation, |
| 1793 | } => { |
| 1794 | if self |
| 1795 | .rooms |
| 1796 | .get(&room_id) |
| 1797 | .is_none_or(|state| state.generation() != generation) |
| 1798 | { |
| 1799 | return Ok(()); |
| 1800 | } |
| 1801 | let state = self |
| 1802 | .rooms |
| 1803 | .remove(&room_id) |
| 1804 | .expect("room generation was checked"); |
| 1805 | let pending = match state { |
| 1806 | RoomActorState::Closing { pending, .. } => pending, |
| 1807 | RoomActorState::Opening { .. } | RoomActorState::Open { .. } => VecDeque::new(), |
| 1808 | }; |
| 1809 | for operation in pending { |
| 1810 | let (id, result) = match operation { |
| 1811 | DeferredRoomLifecycle::Open(id) => { |
| 1812 | (id, self.open_room(id, room_id.clone()).await) |
| 1813 | } |
| 1814 | DeferredRoomLifecycle::Close(id) => { |
| 1815 | (id, self.close_room(id, &room_id).await) |
| 1816 | } |
| 1817 | }; |
| 1818 | match result { |
| 1819 | Ok(true) => {} |
| 1820 | Ok(false) => emit_command_result( |
| 1821 | &self.port.event_sender(), |
| 1822 | id, |
| 1823 | CommandKind::Room, |
| 1824 | Ok(()), |
| 1825 | ) |
| 1826 | .await |
| 1827 | .map_err(|_| EngineError::EventReceiverClosed)?, |
| 1828 | Err(error) => emit_command_result( |
| 1829 | &self.port.event_sender(), |
| 1830 | id, |
| 1831 | CommandKind::Room, |
| 1832 | Err(error), |
| 1833 | ) |
| 1834 | .await |
| 1835 | .map_err(|_| EngineError::EventReceiverClosed)?, |
| 1836 | } |
| 1837 | } |
| 1838 | self.update_room_subscriptions().await; |
| 1839 | } |
| 1840 | } |
| 1841 | Ok(()) |
| 1842 | } |
| 1843 | |
| 1844 | async fn update_room_subscriptions(&self) { |
| 1845 | let room_ids = self |
| 1846 | .rooms |
| 1847 | .iter() |
| 1848 | .filter(|(_, state)| !matches!(state, RoomActorState::Closing { .. })) |
| 1849 | .map(|(room_id, _)| room_id.clone()) |
| 1850 | .collect::<Vec<_>>(); |
| 1851 | let room_refs = room_ids.iter().map(AsRef::as_ref).collect::<Vec<_>>(); |
| 1852 | self.sync |
| 1853 | .room_list_service() |
| 1854 | .subscribe_to_rooms(&room_refs) |
| 1855 | .await; |
| 1856 | } |
| 1857 | |
| 1858 | fn spawn_media_fetch(&mut self, command_id: CommandId, media_id: MediaId, size: MediaSize) { |
| 1859 | let client = self.client.clone(); |
| 1860 | let media = self.media.clone(); |
| 1861 | let events = self.port.event_sender(); |
| 1862 | let max_media_bytes = self.max_media_bytes; |
| 1863 | let flights = self.media_flights.clone(); |
| 1864 | self.tasks.spawn( |
| 1865 | TaskContext::Command { |
| 1866 | id: command_id, |
| 1867 | kind: CommandKind::Media, |
| 1868 | }, |
| 1869 | async move { |
| 1870 | let leader = { |
| 1871 | let mut flights = flights.lock().await; |
| 1872 | let waiters = flights.entry((media_id.clone(), size)).or_default(); |
| 1873 | waiters.push(command_id); |
| 1874 | waiters.len() == 1 |
| 1875 | }; |
| 1876 | if !leader { |
| 1877 | return; |
| 1878 | } |
| 1879 | let result = fetch_media( |
| 1880 | client, |
| 1881 | media, |
| 1882 | events.clone(), |
| 1883 | max_media_bytes, |
| 1884 | media_id.clone(), |
| 1885 | size, |
| 1886 | ) |
| 1887 | .await; |
| 1888 | let waiters = { |
| 1889 | let mut flights = flights.lock().await; |
| 1890 | flights.remove(&(media_id, size)).unwrap_or_default() |
| 1891 | }; |
| 1892 | let result = match result { |
| 1893 | Ok(()) => Ok(()), |
| 1894 | Err(error) => { |
| 1895 | let kind = error.kind; |
| 1896 | let message = error.to_string(); |
| 1897 | Err((kind, message)) |
| 1898 | } |
| 1899 | }; |
| 1900 | for waiter in waiters { |
| 1901 | let waiter_result = match &result { |
| 1902 | Ok(()) => Ok(()), |
| 1903 | Err((kind, message)) => Err(CommandError::new(*kind, message.clone())), |
| 1904 | }; |
| 1905 | if emit_command_result(&events, waiter, CommandKind::Media, waiter_result) |
| 1906 | .await |
| 1907 | .is_err() |
| 1908 | { |
| 1909 | tracing::debug!(?waiter, "media fetch result was not delivered"); |
| 1910 | } |
| 1911 | } |
| 1912 | }, |
| 1913 | ); |
| 1914 | } |
| 1915 | |
| 1916 | async fn spawn_media_upload( |
| 1917 | &mut self, |
| 1918 | command_id: CommandId, |
| 1919 | upload: AttachmentUpload, |
| 1920 | ) -> Result<(), CommandError> { |
| 1921 | let room_id = upload.timeline_id.room_id().clone(); |
| 1922 | let room = self.client.get_room(&room_id).ok_or_else(|| { |
| 1923 | CommandError::new( |
| 1924 | CommandErrorKind::RoomUnknown, |
| 1925 | "room is not available in the local store", |
| 1926 | ) |
| 1927 | })?; |
| 1928 | if self |
| 1929 | .upload_watchers |
| 1930 | .get(&room_id) |
| 1931 | .is_some_and(|(watcher, _)| watcher.is_finished()) |
| 1932 | { |
| 1933 | self.upload_watchers.remove(&room_id); |
| 1934 | } |
| 1935 | let ready = if let Some((_, ready)) = self.upload_watchers.get(&room_id) { |
| 1936 | ready.clone() |
| 1937 | } else { |
| 1938 | let (ready_sender, ready) = watch::channel(None); |
| 1939 | let watched_room_id = room_id.clone(); |
| 1940 | let progress_room_id = room_id.clone(); |
| 1941 | let queued_room = room.clone(); |
| 1942 | let events = self.port.event_sender(); |
| 1943 | let watcher = |
| 1944 | self.tasks |
| 1945 | .spawn(TaskContext::Watcher("media upload watcher"), async move { |
| 1946 | let (_, mut updates) = match queued_room.send_queue().subscribe().await { |
| 1947 | Ok(subscription) => subscription, |
| 1948 | Err(source) => { |
| 1949 | tracing::warn!(room_id = %progress_room_id, error = %source, "reading media send queue failed"); |
| 1950 | ready_sender.send_replace(Some(Err(CommandErrorKind::Store))); |
| 1951 | return; |
| 1952 | } |
| 1953 | }; |
| 1954 | ready_sender.send_replace(Some(Ok(()))); |
| 1955 | loop { |
| 1956 | match updates.recv().await { |
| 1957 | Ok(RoomSendQueueUpdate::MediaUpload { |
| 1958 | related_to, |
| 1959 | file, |
| 1960 | progress, |
| 1961 | .. |
| 1962 | }) => { |
| 1963 | if events |
| 1964 | .send(Event::MediaUploadProgress { |
| 1965 | room_id: progress_room_id.clone(), |
| 1966 | transaction_id: related_to, |
| 1967 | uploaded_bytes: progress.current as u64, |
| 1968 | total_bytes: progress.total as u64, |
| 1969 | complete: file.is_some() |
| 1970 | && progress.current == progress.total, |
| 1971 | }) |
| 1972 | .await |
| 1973 | .is_err() |
| 1974 | { |
| 1975 | break; |
| 1976 | } |
| 1977 | } |
| 1978 | Ok(RoomSendQueueUpdate::SendError { |
| 1979 | transaction_id, |
| 1980 | error, |
| 1981 | is_recoverable, |
| 1982 | }) => { |
| 1983 | let is_attachment = queued_room |
| 1984 | .send_queue() |
| 1985 | .subscribe() |
| 1986 | .await |
| 1987 | .is_ok_and(|(echoes, _)| { |
| 1988 | echoes.iter().any(|echo| { |
| 1989 | echo.transaction_id == transaction_id |
| 1990 | && is_attachment_echo(&echo.content) |
| 1991 | }) |
| 1992 | }); |
| 1993 | if is_attachment |
| 1994 | && events |
| 1995 | .send(Event::MediaUploadFailed { |
| 1996 | room_id: progress_room_id.clone(), |
| 1997 | transaction_id, |
| 1998 | kind: classify_sdk_error(&error), |
| 1999 | recoverable: is_recoverable, |
| 2000 | }) |
| 2001 | .await |
| 2002 | .is_err() |
| 2003 | { |
| 2004 | break; |
| 2005 | } |
| 2006 | } |
| 2007 | Ok(_) |
| 2008 | | Err(tokio::sync::broadcast::error::RecvError::Lagged(_)) => {} |
| 2009 | Err(tokio::sync::broadcast::error::RecvError::Closed) => break, |
| 2010 | } |
| 2011 | } |
| 2012 | }); |
| 2013 | self.upload_watchers |
| 2014 | .insert(watched_room_id, (watcher, ready.clone())); |
| 2015 | ready |
| 2016 | }; |
| 2017 | let max_media_bytes = self.max_media_bytes; |
| 2018 | let events = self.port.event_sender(); |
| 2019 | self.tasks.spawn( |
| 2020 | TaskContext::Command { |
| 2021 | id: command_id, |
| 2022 | kind: CommandKind::Media, |
| 2023 | }, |
| 2024 | async move { |
| 2025 | let mut ready = ready; |
| 2026 | let result = async { |
| 2027 | loop { |
| 2028 | if let Some(result) = *ready.borrow_and_update() { |
| 2029 | result.map_err(|kind| { |
| 2030 | CommandError::new(kind, "reading media send queue failed") |
| 2031 | })?; |
| 2032 | break; |
| 2033 | } |
| 2034 | ready.changed().await.map_err(|_| { |
| 2035 | CommandError::new( |
| 2036 | CommandErrorKind::Store, |
| 2037 | "media send queue watcher stopped", |
| 2038 | ) |
| 2039 | })?; |
| 2040 | } |
| 2041 | queue_media_upload(room, upload, max_media_bytes).await |
| 2042 | } |
| 2043 | .await; |
| 2044 | if emit_command_result(&events, command_id, CommandKind::Media, result) |
| 2045 | .await |
| 2046 | .is_err() |
| 2047 | { |
| 2048 | tracing::debug!(?command_id, "media upload result was not delivered"); |
| 2049 | } |
| 2050 | }, |
| 2051 | ); |
| 2052 | Ok(()) |
| 2053 | } |
| 2054 | |
| 2055 | async fn shutdown(&mut self) { |
| 2056 | self.tasks.shutdown().await; |
| 2057 | self.verification.lock().await.stop().await; |
| 2058 | self.rooms.clear(); |
| 2059 | self.upload_watchers.clear(); |
| 2060 | self.media.lock().await.entries.clear(); |
| 2061 | self.sync.stop().await; |
| 2062 | self.port |
| 2063 | .connection_sender() |
| 2064 | .send_replace(ConnectionState::Stopped); |
| 2065 | let _ = self |
| 2066 | .port |
| 2067 | .send(Event::ConnectionChanged(ConnectionState::Stopped)) |
| 2068 | .await; |
| 2069 | } |
| 2070 | } |
| 2071 | |
| 2072 | async fn mark_read( |
| 2073 | client: &Client, |
| 2074 | timeline_id: &TimelineId, |
| 2075 | event_id: OwnedEventId, |
| 2076 | ) -> Result<(), CommandError> { |
| 2077 | let room = client |
| 2078 | .get_room(timeline_id.room_id()) |
| 2079 | .ok_or_else(room_unknown)?; |
| 2080 | let receipt_thread = match timeline_id { |
| 2081 | TimelineId::Room(_) => ReceiptThread::Main, |
| 2082 | TimelineId::Thread { root_event_id, .. } => ReceiptThread::Thread(root_event_id.clone()), |
| 2083 | }; |
| 2084 | room.send_single_receipt(ReceiptType::Read, receipt_thread, event_id.clone()) |
| 2085 | .await |
| 2086 | .map_err(|source| CommandError::from_sdk("sending read receipt failed", source))?; |
| 2087 | if matches!(timeline_id, TimelineId::Room(_)) { |
| 2088 | room.send_single_receipt(ReceiptType::FullyRead, ReceiptThread::Unthreaded, event_id) |
| 2089 | .await |
| 2090 | .map_err(|source| { |
| 2091 | CommandError::from_sdk("sending fully read receipt failed", source) |
| 2092 | })?; |
| 2093 | } |
| 2094 | Ok(()) |
| 2095 | } |
| 2096 | |
| 2097 | async fn set_typing(client: &Client, room_id: &RoomId, typing: bool) -> Result<(), CommandError> { |
| 2098 | let room = client.get_room(room_id).ok_or_else(room_unknown)?; |
| 2099 | room.typing_notice(typing) |
| 2100 | .await |
| 2101 | .map_err(|source| CommandError::from_sdk("typing update failed", source)) |
| 2102 | } |
| 2103 | |
| 2104 | fn is_attachment_echo(content: &LocalEchoContent) -> bool { |
| 2105 | let LocalEchoContent::Event { |
| 2106 | serialized_event, .. |
| 2107 | } = content |
| 2108 | else { |
| 2109 | return false; |
| 2110 | }; |
| 2111 | matches!( |
| 2112 | serialized_event.deserialize(), |
| 2113 | Ok(AnyMessageLikeEventContent::RoomMessage(content)) |
| 2114 | if matches!( |
| 2115 | content.msgtype, |
| 2116 | MessageType::Audio(_) | MessageType::File(_) | MessageType::Image(_) | MessageType::Video(_) |
| 2117 | ) |
| 2118 | ) |
| 2119 | } |
| 2120 | |
| 2121 | async fn send_handle( |
| 2122 | client: &Client, |
| 2123 | room_id: &RoomId, |
| 2124 | transaction_id: &matrix_sdk::ruma::TransactionId, |
| 2125 | ) -> Result<SendHandle, CommandError> { |
| 2126 | let room = client.get_room(room_id).ok_or_else(room_unknown)?; |
| 2127 | let (echoes, _) = room.send_queue().subscribe().await.map_err(|source| { |
| 2128 | CommandError::with_source(CommandErrorKind::Store, "reading send queue failed", source) |
| 2129 | })?; |
| 2130 | echoes |
| 2131 | .into_iter() |
| 2132 | .find_map(|echo| { |
| 2133 | if echo.transaction_id.as_str() != transaction_id.as_str() { |
| 2134 | return None; |
| 2135 | } |
| 2136 | match echo.content { |
| 2137 | LocalEchoContent::Event { send_handle, .. } => Some(send_handle), |
| 2138 | _ => None, |
| 2139 | } |
| 2140 | }) |
| 2141 | .ok_or_else(|| { |
| 2142 | CommandError::new( |
| 2143 | CommandErrorKind::Other, |
| 2144 | "send is no longer pending or is not a message", |
| 2145 | ) |
| 2146 | }) |
| 2147 | } |
| 2148 | |
| 2149 | async fn cancel_send( |
| 2150 | client: &Client, |
| 2151 | room_id: &RoomId, |
| 2152 | transaction_id: &matrix_sdk::ruma::TransactionId, |
| 2153 | ) -> Result<(), CommandError> { |
| 2154 | let handle = send_handle(client, room_id, transaction_id).await?; |
| 2155 | match handle.abort().await { |
| 2156 | Ok(true) => Ok(()), |
| 2157 | Ok(false) => Err(CommandError::new( |
| 2158 | CommandErrorKind::Other, |
| 2159 | "send could not be cancelled because it has already been sent", |
| 2160 | )), |
| 2161 | Err(source) => Err(CommandError::with_source( |
| 2162 | CommandErrorKind::Store, |
| 2163 | "cancelling send failed", |
| 2164 | source, |
| 2165 | )), |
| 2166 | } |
| 2167 | } |
| 2168 | |
| 2169 | async fn retry_send( |
| 2170 | client: &Client, |
| 2171 | room_id: &RoomId, |
| 2172 | transaction_id: &matrix_sdk::ruma::TransactionId, |
| 2173 | ) -> Result<(), CommandError> { |
| 2174 | let handle = send_handle(client, room_id, transaction_id).await?; |
| 2175 | handle.unwedge().await.map_err(|source| { |
| 2176 | CommandError::with_source(CommandErrorKind::Store, "retrying send failed", source) |
| 2177 | })?; |
| 2178 | client.send_queue().set_enabled(true).await; |
| 2179 | Ok(()) |
| 2180 | } |
| 2181 | |
| 2182 | fn send_room_actor_request( |
| 2183 | sender: &mpsc::Sender<RoomActorRequest>, |
| 2184 | request: RoomActorRequest, |
| 2185 | ) -> Result<(), CommandError> { |
| 2186 | sender.try_send(request).map_err(|error| match error { |
| 2187 | mpsc::error::TrySendError::Full(_) => { |
| 2188 | CommandError::new(CommandErrorKind::RoomBusy, "room command queue is full") |
| 2189 | } |
| 2190 | mpsc::error::TrySendError::Closed(_) => { |
| 2191 | CommandError::new(CommandErrorKind::RoomNotOpen, "room is not open") |
| 2192 | } |
| 2193 | }) |
| 2194 | } |
| 2195 | |
| 2196 | fn domain_queue_error<T>(error: mpsc::error::TrySendError<T>, domain: &str) -> CommandError { |
| 2197 | match error { |
| 2198 | mpsc::error::TrySendError::Full(_) => CommandError::new( |
| 2199 | CommandErrorKind::QueueFull, |
| 2200 | format!("{domain} command queue is full"), |
| 2201 | ), |
| 2202 | mpsc::error::TrySendError::Closed(_) => CommandError::new( |
| 2203 | CommandErrorKind::Other, |
| 2204 | format!("{domain} command worker has stopped"), |
| 2205 | ), |
| 2206 | } |
| 2207 | } |
| 2208 | |
| 2209 | async fn run_room_command_worker( |
| 2210 | client: Client, |
| 2211 | events: EventSender, |
| 2212 | mut commands: mpsc::Receiver<RoomJob>, |
| 2213 | queue_limit: usize, |
| 2214 | ) { |
| 2215 | let mut queues = HashMap::<RoomMutationKey, VecDeque<RoomJob>>::new(); |
| 2216 | let mut running = HashSet::<RoomMutationKey>::new(); |
| 2217 | let mut tasks = JoinSet::<RoomJobCompletion>::new(); |
| 2218 | let mut receiving = true; |
| 2219 | let mut queued = 0_usize; |
| 2220 | while receiving || !tasks.is_empty() { |
| 2221 | tokio::select! { |
| 2222 | biased; |
| 2223 | completed = tasks.join_next(), if !tasks.is_empty() => { |
| 2224 | let completion = match completed { |
| 2225 | Some(Ok(completion)) => completion, |
| 2226 | Some(Err(error)) => panic!("room command task failed: {error}"), |
| 2227 | None => continue, |
| 2228 | }; |
| 2229 | let key = completion.key.clone(); |
| 2230 | emit_room_job_result(&events, completion).await; |
| 2231 | let next = queues.get_mut(&key).and_then(VecDeque::pop_front); |
| 2232 | if next.is_some() { |
| 2233 | queued -= 1; |
| 2234 | } |
| 2235 | if queues.get(&key).is_some_and(VecDeque::is_empty) { |
| 2236 | queues.remove(&key); |
| 2237 | } |
| 2238 | if let Some(job) = next { |
| 2239 | spawn_room_job(&mut tasks, client.clone(), key, job); |
| 2240 | } else { |
| 2241 | running.remove(&key); |
| 2242 | } |
| 2243 | } |
| 2244 | job = commands.recv(), if receiving => { |
| 2245 | match job { |
| 2246 | Some(job) => { |
| 2247 | let key = room_mutation_key(job.id, &job.command); |
| 2248 | if running.insert(key.clone()) { |
| 2249 | spawn_room_job(&mut tasks, client.clone(), key, job); |
| 2250 | } else if queued < queue_limit { |
| 2251 | queues.entry(key).or_default().push_back(job); |
| 2252 | queued += 1; |
| 2253 | } else { |
| 2254 | let failure = CommandFailure { |
| 2255 | id: job.id, |
| 2256 | command: CommandKind::Room, |
| 2257 | kind: CommandErrorKind::QueueFull, |
| 2258 | message: "room command queue is full".to_owned(), |
| 2259 | }; |
| 2260 | if let Some(reply) = job.reply { |
| 2261 | let _ = reply.send(Err(CommandResultError::Failed(failure))); |
| 2262 | } else { |
| 2263 | let _ = events.send(Event::CommandFailed(failure)).await; |
| 2264 | } |
| 2265 | } |
| 2266 | } |
| 2267 | None => receiving = false, |
| 2268 | } |
| 2269 | } |
| 2270 | } |
| 2271 | } |
| 2272 | } |
| 2273 | |
| 2274 | fn spawn_room_job( |
| 2275 | tasks: &mut JoinSet<RoomJobCompletion>, |
| 2276 | client: Client, |
| 2277 | key: RoomMutationKey, |
| 2278 | job: RoomJob, |
| 2279 | ) { |
| 2280 | tasks.spawn(async move { |
| 2281 | let RoomJob { id, command, reply } = job; |
| 2282 | let result = AssertUnwindSafe(execute_room_command(&client, command)) |
| 2283 | .catch_unwind() |
| 2284 | .await |
| 2285 | .unwrap_or_else(|_| { |
| 2286 | Err(CommandError::new( |
| 2287 | CommandErrorKind::Other, |
| 2288 | "room command panicked", |
| 2289 | )) |
| 2290 | }); |
| 2291 | RoomJobCompletion { |
| 2292 | key, |
| 2293 | id, |
| 2294 | reply, |
| 2295 | result, |
| 2296 | } |
| 2297 | }); |
| 2298 | } |
| 2299 | |
| 2300 | fn room_mutation_key(id: CommandId, command: &RoomCommand) -> RoomMutationKey { |
| 2301 | match command { |
| 2302 | RoomCommand::Join { room, .. } if room.is_room_id() => RoomMutationKey::Room( |
| 2303 | OwnedRoomId::try_from(room.clone()).expect("room ID variant was checked"), |
| 2304 | ), |
| 2305 | RoomCommand::Join { room, .. } => RoomMutationKey::Target(room.to_string()), |
| 2306 | RoomCommand::Leave(room_id) |
| 2307 | | RoomCommand::Forget(room_id) |
| 2308 | | RoomCommand::AcceptInvite(room_id) |
| 2309 | | RoomCommand::RejectInvite(room_id) |
| 2310 | | RoomCommand::InviteUser { room_id, .. } |
| 2311 | | RoomCommand::KickUser { room_id, .. } |
| 2312 | | RoomCommand::BanUser { room_id, .. } |
| 2313 | | RoomCommand::UnbanUser { room_id, .. } |
| 2314 | | RoomCommand::SetPowerLevels { room_id, .. } |
| 2315 | | RoomCommand::SetUserPowerLevel { room_id, .. } => RoomMutationKey::Room(room_id.clone()), |
| 2316 | RoomCommand::CreateDirect(user_id) => RoomMutationKey::Direct(user_id.clone()), |
| 2317 | _ => RoomMutationKey::Independent(id), |
| 2318 | } |
| 2319 | } |
| 2320 | |
| 2321 | async fn emit_room_job_result(events: &EventSender, completion: RoomJobCompletion) { |
| 2322 | let RoomJobCompletion { |
| 2323 | id, reply, result, .. |
| 2324 | } = completion; |
| 2325 | match result { |
| 2326 | Ok(Some(room_id)) => { |
| 2327 | if let Some(reply) = reply { |
| 2328 | let _ = reply.send(Ok(room_id.clone())); |
| 2329 | } else { |
| 2330 | let _ = emit_command_result_with_room(events, id, room_id).await; |
| 2331 | } |
| 2332 | } |
| 2333 | Ok(None) => { |
| 2334 | if let Some(reply) = reply { |
| 2335 | let _ = reply.send(Err(CommandResultError::Failed(CommandFailure { |
| 2336 | id, |
| 2337 | command: CommandKind::Room, |
| 2338 | kind: CommandErrorKind::Other, |
| 2339 | message: "room operation did not return a room ID".to_owned(), |
| 2340 | }))); |
| 2341 | } else { |
| 2342 | let _ = emit_command_result(events, id, CommandKind::Room, Ok(())).await; |
| 2343 | } |
| 2344 | } |
| 2345 | Err(error) => { |
| 2346 | let failure = CommandFailure { |
| 2347 | id, |
| 2348 | command: CommandKind::Room, |
| 2349 | kind: error.kind, |
| 2350 | message: error.to_string(), |
| 2351 | }; |
| 2352 | if let Some(reply) = reply { |
| 2353 | let _ = reply.send(Err(CommandResultError::Failed(failure))); |
| 2354 | } else { |
| 2355 | let _ = events.send(Event::CommandFailed(failure)).await; |
| 2356 | } |
| 2357 | } |
| 2358 | } |
| 2359 | } |
| 2360 | |
| 2361 | async fn execute_room_command( |
| 2362 | client: &Client, |
| 2363 | command: RoomCommand, |
| 2364 | ) -> Result<Option<OwnedRoomId>, CommandError> { |
| 2365 | match command { |
| 2366 | RoomCommand::Join { room, via } => client |
| 2367 | .join_room_by_id_or_alias(&room, &via) |
| 2368 | .await |
| 2369 | .map(|room| Some(room.room_id().to_owned())) |
| 2370 | .map_err(|source| CommandError::from_sdk("joining room failed", source)), |
| 2371 | RoomCommand::Leave(room_id) => match client.get_room(&room_id) { |
| 2372 | Some(room) => room |
| 2373 | .leave() |
| 2374 | .await |
| 2375 | .map(|_| None) |
| 2376 | .map_err(|source| CommandError::from_sdk("leaving room failed", source)), |
| 2377 | None => Err(room_unknown()), |
| 2378 | }, |
| 2379 | RoomCommand::Forget(room_id) => match client.get_room(&room_id) { |
| 2380 | Some(room) => room |
| 2381 | .forget() |
| 2382 | .await |
| 2383 | .map(|_| None) |
| 2384 | .map_err(|source| CommandError::from_sdk("forgetting room failed", source)), |
| 2385 | None => Err(room_unknown()), |
| 2386 | }, |
| 2387 | RoomCommand::AcceptInvite(room_id) => match client.get_room(&room_id) { |
| 2388 | Some(room) => room |
| 2389 | .join() |
| 2390 | .await |
| 2391 | .map(|_| None) |
| 2392 | .map_err(|source| CommandError::from_sdk("accepting invite failed", source)), |
| 2393 | None => Err(room_unknown()), |
| 2394 | }, |
| 2395 | RoomCommand::RejectInvite(room_id) => match client.get_room(&room_id) { |
| 2396 | Some(room) => room |
| 2397 | .leave() |
| 2398 | .await |
| 2399 | .map(|_| None) |
| 2400 | .map_err(|source| CommandError::from_sdk("rejecting invite failed", source)), |
| 2401 | None => Err(room_unknown()), |
| 2402 | }, |
| 2403 | RoomCommand::InviteUser { room_id, user_id } => match client.get_room(&room_id) { |
| 2404 | Some(room) => room |
| 2405 | .invite_user_by_id(&user_id) |
| 2406 | .await |
| 2407 | .map(|()| None) |
| 2408 | .map_err(|source| CommandError::from_sdk("inviting user failed", source)), |
| 2409 | None => Err(room_unknown()), |
| 2410 | }, |
| 2411 | RoomCommand::KickUser { |
| 2412 | room_id, |
| 2413 | user_id, |
| 2414 | reason, |
| 2415 | } => match client.get_room(&room_id) { |
| 2416 | Some(room) => room |
| 2417 | .kick_user(&user_id, reason.as_deref()) |
| 2418 | .await |
| 2419 | .map(|_| None) |
| 2420 | .map_err(|source| CommandError::from_sdk("kicking user failed", source)), |
| 2421 | None => Err(room_unknown()), |
| 2422 | }, |
| 2423 | RoomCommand::BanUser { |
| 2424 | room_id, |
| 2425 | user_id, |
| 2426 | reason, |
| 2427 | } => match client.get_room(&room_id) { |
| 2428 | Some(room) => room |
| 2429 | .ban_user(&user_id, reason.as_deref()) |
| 2430 | .await |
| 2431 | .map(|_| None) |
| 2432 | .map_err(|source| CommandError::from_sdk("banning user failed", source)), |
| 2433 | None => Err(room_unknown()), |
| 2434 | }, |
| 2435 | RoomCommand::UnbanUser { |
| 2436 | room_id, |
| 2437 | user_id, |
| 2438 | reason, |
| 2439 | } => match client.get_room(&room_id) { |
| 2440 | Some(room) => room |
| 2441 | .unban_user(&user_id, reason.as_deref()) |
| 2442 | .await |
| 2443 | .map(|_| None) |
| 2444 | .map_err(|source| CommandError::from_sdk("unbanning user failed", source)), |
| 2445 | None => Err(room_unknown()), |
| 2446 | }, |
| 2447 | RoomCommand::SetPowerLevels { room_id, changes } => match client.get_room(&room_id) { |
| 2448 | Some(room) => apply_power_level_changes(&room, changes) |
| 2449 | .await |
| 2450 | .map(|_| None), |
| 2451 | None => Err(room_unknown()), |
| 2452 | }, |
| 2453 | RoomCommand::SetUserPowerLevel { |
| 2454 | room_id, |
| 2455 | user_id, |
| 2456 | level, |
| 2457 | } => match client.get_room(&room_id) { |
| 2458 | Some(room) => match matrix_sdk::ruma::Int::try_from(level) { |
| 2459 | Ok(level) => room |
| 2460 | .update_power_levels(vec![(&user_id, level)]) |
| 2461 | .await |
| 2462 | .map(|_| None) |
| 2463 | .map_err(|source| { |
| 2464 | CommandError::from_sdk("updating user power level failed", source) |
| 2465 | }), |
| 2466 | Err(_) => Err(CommandError::new( |
| 2467 | CommandErrorKind::Other, |
| 2468 | "power level is outside the Matrix integer range", |
| 2469 | )), |
| 2470 | }, |
| 2471 | None => Err(room_unknown()), |
| 2472 | }, |
| 2473 | RoomCommand::Create(options) => client |
| 2474 | .create_room(create_room_request(options)) |
| 2475 | .await |
| 2476 | .map(|room| Some(room.room_id().to_owned())) |
| 2477 | .map_err(|source| CommandError::from_sdk("creating room failed", source)), |
| 2478 | RoomCommand::CreateDirect(user_id) => client |
| 2479 | .create_dm(&user_id) |
| 2480 | .await |
| 2481 | .map(|room| Some(room.room_id().to_owned())) |
| 2482 | .map_err(|source| CommandError::from_sdk("creating direct room failed", source)), |
| 2483 | _ => Err(CommandError::new( |
| 2484 | CommandErrorKind::Other, |
| 2485 | "unsupported room command", |
| 2486 | )), |
| 2487 | } |
| 2488 | } |
| 2489 | |
| 2490 | fn room_unknown() -> CommandError { |
| 2491 | CommandError::new( |
| 2492 | CommandErrorKind::RoomUnknown, |
| 2493 | "room is not available in the local store", |
| 2494 | ) |
| 2495 | } |
| 2496 | |
| 2497 | const fn sdk_notification_mode( |
| 2498 | mode: RoomNotificationMode, |
| 2499 | ) -> matrix_sdk::notification_settings::RoomNotificationMode { |
| 2500 | match mode { |
| 2501 | RoomNotificationMode::AllMessages => { |
| 2502 | matrix_sdk::notification_settings::RoomNotificationMode::AllMessages |
| 2503 | } |
| 2504 | RoomNotificationMode::MentionsAndKeywordsOnly => { |
| 2505 | matrix_sdk::notification_settings::RoomNotificationMode::MentionsAndKeywordsOnly |
| 2506 | } |
| 2507 | RoomNotificationMode::Mute => matrix_sdk::notification_settings::RoomNotificationMode::Mute, |
| 2508 | } |
| 2509 | } |
| 2510 | |
| 2511 | async fn execute_notification_command( |
| 2512 | client: &Client, |
| 2513 | command: NotificationCommand, |
| 2514 | ) -> Result<(), CommandError> { |
| 2515 | use matrix_sdk::notification_settings::{IsEncrypted, IsOneToOne}; |
| 2516 | |
| 2517 | let settings = client.notification_settings().await; |
| 2518 | let result = match command { |
| 2519 | NotificationCommand::SetRoomMode { room_id, mode } => { |
| 2520 | settings |
| 2521 | .set_room_notification_mode(&room_id, sdk_notification_mode(mode)) |
| 2522 | .await |
| 2523 | } |
| 2524 | NotificationCommand::ResetRoomMode(room_id) => { |
| 2525 | settings.delete_user_defined_room_rules(&room_id).await |
| 2526 | } |
| 2527 | NotificationCommand::SetDefaultMode { |
| 2528 | encrypted, |
| 2529 | one_to_one, |
| 2530 | mode, |
| 2531 | } => { |
| 2532 | settings |
| 2533 | .set_default_room_notification_mode( |
| 2534 | IsEncrypted::from(encrypted), |
| 2535 | IsOneToOne::from(one_to_one), |
| 2536 | sdk_notification_mode(mode), |
| 2537 | ) |
| 2538 | .await |
| 2539 | } |
| 2540 | NotificationCommand::AddKeyword(keyword) => settings.add_keyword(keyword).await, |
| 2541 | NotificationCommand::RemoveKeyword(keyword) => settings.remove_keyword(&keyword).await, |
| 2542 | }; |
| 2543 | result.map_err(|source| { |
| 2544 | CommandError::with_source( |
| 2545 | CommandErrorKind::Server, |
| 2546 | "updating notification settings failed", |
| 2547 | source, |
| 2548 | ) |
| 2549 | }) |
| 2550 | } |
| 2551 | |
| 2552 | async fn execute_encryption_command( |
| 2553 | client: &Client, |
| 2554 | events: &EventSender, |
| 2555 | verification: &mut VerificationController, |
| 2556 | command: EncryptionCommand, |
| 2557 | ) -> Result<(), CommandError> { |
| 2558 | match command { |
| 2559 | EncryptionCommand::Recover(key) => client |
| 2560 | .encryption() |
| 2561 | .recovery() |
| 2562 | .recover(&key) |
| 2563 | .await |
| 2564 | .map_err(|source| CommandError::from_recovery("account recovery failed", source)), |
| 2565 | EncryptionCommand::StartVerification(target) => { |
| 2566 | verification.start(client, events.clone(), target).await |
| 2567 | } |
| 2568 | EncryptionCommand::Verify(action) => { |
| 2569 | verification.apply(client, events.clone(), action).await |
| 2570 | } |
| 2571 | command => execute_key_backup_command(client, command).await, |
| 2572 | } |
| 2573 | } |
| 2574 | |
| 2575 | async fn execute_key_backup_command( |
| 2576 | client: &Client, |
| 2577 | command: EncryptionCommand, |
| 2578 | ) -> Result<(), CommandError> { |
| 2579 | match command { |
| 2580 | EncryptionCommand::CreateKeyBackup => client |
| 2581 | .encryption() |
| 2582 | .backups() |
| 2583 | .create() |
| 2584 | .await |
| 2585 | .map_err(|source| CommandError::from_sdk("creating key backup failed", source)), |
| 2586 | EncryptionCommand::EnableKeyBackup => client |
| 2587 | .encryption() |
| 2588 | .recovery() |
| 2589 | .enable_backup() |
| 2590 | .await |
| 2591 | .map_err(|source| CommandError::from_recovery("enabling key backup failed", source)), |
| 2592 | EncryptionCommand::DisableKeyBackup { delete_from_server } => { |
| 2593 | let backups = client.encryption().backups(); |
| 2594 | if delete_from_server { |
| 2595 | backups.disable_and_delete().await |
| 2596 | } else { |
| 2597 | backups.disable().await |
| 2598 | } |
| 2599 | .map_err(|source| CommandError::from_sdk("disabling key backup failed", source)) |
| 2600 | } |
| 2601 | EncryptionCommand::RecoverKeyBackup(key) => client |
| 2602 | .encryption() |
| 2603 | .recovery() |
| 2604 | .recover_and_fix_backup(&key) |
| 2605 | .await |
| 2606 | .map_err(|source| CommandError::from_recovery("recovering key backup failed", source)), |
| 2607 | _ => unreachable!("only key backup commands are spawned here"), |
| 2608 | } |
| 2609 | } |
| 2610 | |
| 2611 | async fn apply_power_level_changes( |
| 2612 | room: &Room, |
| 2613 | changes: PowerLevelChanges, |
| 2614 | ) -> Result<(), CommandError> { |
| 2615 | use matrix_sdk::ruma::events::{ |
| 2616 | MessageLikeEventType, StateEventType, room::power_levels::RoomPowerLevelsEventContent, |
| 2617 | }; |
| 2618 | |
| 2619 | let mut levels = room |
| 2620 | .power_levels() |
| 2621 | .await |
| 2622 | .map_err(|source| CommandError::from_sdk("reading power levels failed", source.into()))?; |
| 2623 | if let Some(value) = changes.ban { |
| 2624 | levels.ban = matrix_power_level(value)?; |
| 2625 | } |
| 2626 | if let Some(value) = changes.invite { |
| 2627 | levels.invite = matrix_power_level(value)?; |
| 2628 | } |
| 2629 | if let Some(value) = changes.kick { |
| 2630 | levels.kick = matrix_power_level(value)?; |
| 2631 | } |
| 2632 | if let Some(value) = changes.redact { |
| 2633 | levels.redact = matrix_power_level(value)?; |
| 2634 | } |
| 2635 | if let Some(value) = changes.events_default { |
| 2636 | levels.events_default = matrix_power_level(value)?; |
| 2637 | } |
| 2638 | if let Some(value) = changes.state_default { |
| 2639 | levels.state_default = matrix_power_level(value)?; |
| 2640 | } |
| 2641 | if let Some(value) = changes.users_default { |
| 2642 | levels.users_default = matrix_power_level(value)?; |
| 2643 | } |
| 2644 | if let Some(value) = changes.room_notification { |
| 2645 | levels.notifications.room = matrix_power_level(value)?; |
| 2646 | } |
| 2647 | for (event_type, value) in [ |
| 2648 | (StateEventType::RoomName.into(), changes.room_name), |
| 2649 | (StateEventType::RoomAvatar.into(), changes.room_avatar), |
| 2650 | (StateEventType::RoomTopic.into(), changes.room_topic), |
| 2651 | (StateEventType::SpaceChild.into(), changes.space_child), |
| 2652 | (MessageLikeEventType::Beacon.into(), changes.beacon), |
| 2653 | (StateEventType::BeaconInfo.into(), changes.beacon_info), |
| 2654 | ] { |
| 2655 | if let Some(value) = value { |
| 2656 | levels.events.insert(event_type, matrix_power_level(value)?); |
| 2657 | } |
| 2658 | } |
| 2659 | let content = RoomPowerLevelsEventContent::try_from(levels).map_err(|source| { |
| 2660 | CommandError::with_source( |
| 2661 | CommandErrorKind::Other, |
| 2662 | "normalizing power levels failed", |
| 2663 | source, |
| 2664 | ) |
| 2665 | })?; |
| 2666 | room.send_state_event(content) |
| 2667 | .await |
| 2668 | .map(|_| ()) |
| 2669 | .map_err(|source| CommandError::from_sdk("updating power levels failed", source)) |
| 2670 | } |
| 2671 | |
| 2672 | fn matrix_power_level(value: i64) -> Result<matrix_sdk::ruma::Int, CommandError> { |
| 2673 | value.try_into().map_err(|source| { |
| 2674 | CommandError::with_source( |
| 2675 | CommandErrorKind::Other, |
| 2676 | "power level is outside the Matrix integer range", |
| 2677 | source, |
| 2678 | ) |
| 2679 | }) |
| 2680 | } |
| 2681 | |
| 2682 | fn create_room_request( |
| 2683 | options: CreateRoomOptions, |
| 2684 | ) -> matrix_sdk::ruma::api::client::room::create_room::v3::Request { |
| 2685 | use matrix_sdk::ruma::api::client::room::{ |
| 2686 | Visibility as SdkVisibility, |
| 2687 | create_room::v3::{Request, RoomPreset as SdkPreset}, |
| 2688 | }; |
| 2689 | let mut request = Request::new(); |
| 2690 | request.name = options.name; |
| 2691 | request.topic = options.topic; |
| 2692 | request.room_alias_name = options.alias_localpart; |
| 2693 | request.invite = options.invite; |
| 2694 | request.is_direct = options.direct; |
| 2695 | request.visibility = match options.visibility { |
| 2696 | RoomVisibility::Private => SdkVisibility::Private, |
| 2697 | RoomVisibility::Public => SdkVisibility::Public, |
| 2698 | }; |
| 2699 | request.preset = options.preset.map(|preset| match preset { |
| 2700 | RoomPreset::PrivateChat => SdkPreset::PrivateChat, |
| 2701 | RoomPreset::TrustedPrivateChat => SdkPreset::TrustedPrivateChat, |
| 2702 | RoomPreset::PublicChat => SdkPreset::PublicChat, |
| 2703 | }); |
| 2704 | request |
| 2705 | } |
| 2706 | |
| 2707 | async fn queue_media_upload( |
| 2708 | room: Room, |
| 2709 | upload: AttachmentUpload, |
| 2710 | max_media_bytes: usize, |
| 2711 | ) -> Result<(), CommandError> { |
| 2712 | let (upload, mime, mut config) = prepare_upload(upload, max_media_bytes)?; |
| 2713 | if let TimelineId::Thread { root_event_id, .. } = &upload.timeline_id { |
| 2714 | config.reply = Some(SdkReply { |
| 2715 | event_id: root_event_id.clone(), |
| 2716 | enforce_thread: EnforceThread::Threaded(ReplyWithinThread::No), |
| 2717 | add_mentions: AddMentions::No, |
| 2718 | }); |
| 2719 | } |
| 2720 | room.send_queue() |
| 2721 | .send_attachment(upload.filename, mime, upload.bytes, config) |
| 2722 | .await |
| 2723 | .map(|_| ()) |
| 2724 | .map_err(|source| { |
| 2725 | CommandError::with_source( |
| 2726 | CommandErrorKind::MediaUnavailable, |
| 2727 | "media upload could not be queued", |
| 2728 | source, |
| 2729 | ) |
| 2730 | }) |
| 2731 | } |
| 2732 | |
| 2733 | async fn fetch_media( |
| 2734 | client: Client, |
| 2735 | registry: Arc<Mutex<MediaRegistry>>, |
| 2736 | events: EventSender, |
| 2737 | max_media_bytes: usize, |
| 2738 | media_id: MediaId, |
| 2739 | size: MediaSize, |
| 2740 | ) -> Result<(), CommandError> { |
| 2741 | let media = registry |
| 2742 | .lock() |
| 2743 | .await |
| 2744 | .entries |
| 2745 | .get(&media_id) |
| 2746 | .cloned() |
| 2747 | .ok_or_else(|| { |
| 2748 | CommandError::new( |
| 2749 | CommandErrorKind::MediaUnknown, |
| 2750 | "media is not registered in a retained timeline", |
| 2751 | ) |
| 2752 | })?; |
| 2753 | let (source, format, mimetype, declared_size) = match size { |
| 2754 | MediaSize::Full => ( |
| 2755 | media.full.source, |
| 2756 | MediaFormat::File, |
| 2757 | media.full.mimetype, |
| 2758 | media.full.declared_size, |
| 2759 | ), |
| 2760 | MediaSize::Thumbnail => { |
| 2761 | if let Some(thumbnail) = media.thumbnail { |
| 2762 | ( |
| 2763 | thumbnail.source, |
| 2764 | MediaFormat::File, |
| 2765 | thumbnail.mimetype, |
| 2766 | thumbnail.declared_size, |
| 2767 | ) |
| 2768 | } else if matches!( |
| 2769 | media.kind, |
| 2770 | crate::MediaKind::Image | crate::MediaKind::Video |
| 2771 | ) && matches!( |
| 2772 | &media.full.source, |
| 2773 | matrix_sdk::ruma::events::room::MediaSource::Plain(_) |
| 2774 | ) { |
| 2775 | ( |
| 2776 | media.full.source, |
| 2777 | MediaFormat::Thumbnail(MediaThumbnailSettings::new( |
| 2778 | 800_u32.into(), |
| 2779 | 800_u32.into(), |
| 2780 | )), |
| 2781 | media.full.mimetype, |
| 2782 | None, |
| 2783 | ) |
| 2784 | } else { |
| 2785 | return Err(CommandError::new( |
| 2786 | CommandErrorKind::MediaUnavailable, |
| 2787 | "the requested media size is unavailable", |
| 2788 | )); |
| 2789 | } |
| 2790 | } |
| 2791 | }; |
| 2792 | if declared_size.is_some_and(|size| size > max_media_bytes as u64) { |
| 2793 | return Err(CommandError::new( |
| 2794 | CommandErrorKind::MediaTooLarge, |
| 2795 | "media exceeds the configured byte limit", |
| 2796 | )); |
| 2797 | } |
| 2798 | let request = MediaRequestParameters { source, format }; |
| 2799 | if let Some(cached) = cached_media(&client, &request).await? { |
| 2800 | if cached.len() > max_media_bytes { |
| 2801 | remove_oversize_media(&client, &request).await; |
| 2802 | return Err(CommandError::new( |
| 2803 | CommandErrorKind::MediaTooLarge, |
| 2804 | "cached media exceeds the configured byte limit", |
| 2805 | )); |
| 2806 | } |
| 2807 | let bytes = maybe_decrypt_media(cached, &request, max_media_bytes)?; |
| 2808 | events |
| 2809 | .send(Event::MediaReady { |
| 2810 | media_id, |
| 2811 | size, |
| 2812 | bytes: Arc::from(bytes), |
| 2813 | mimetype: mimetype.unwrap_or_else(|| "application/octet-stream".into()), |
| 2814 | }) |
| 2815 | .await |
| 2816 | .map_err(send_error)?; |
| 2817 | return Ok(()); |
| 2818 | } |
| 2819 | let bytes = download_bounded(&client, &request, max_media_bytes).await?; |
| 2820 | cache_media(&client, &request, &bytes).await; |
| 2821 | let bytes = maybe_decrypt_media(bytes, &request, max_media_bytes)?; |
| 2822 | events |
| 2823 | .send(Event::MediaReady { |
| 2824 | media_id, |
| 2825 | size, |
| 2826 | bytes: Arc::from(bytes), |
| 2827 | mimetype: mimetype.unwrap_or_else(|| "application/octet-stream".into()), |
| 2828 | }) |
| 2829 | .await |
| 2830 | .map_err(send_error) |
| 2831 | } |
| 2832 | async fn cached_media( |
| 2833 | client: &Client, |
| 2834 | request: &MediaRequestParameters, |
| 2835 | ) -> Result<Option<Vec<u8>>, CommandError> { |
| 2836 | client |
| 2837 | .media_store() |
| 2838 | .lock() |
| 2839 | .await |
| 2840 | .map_err(|source| { |
| 2841 | CommandError::with_source( |
| 2842 | CommandErrorKind::Store, |
| 2843 | "reading media cache failed", |
| 2844 | source, |
| 2845 | ) |
| 2846 | })? |
| 2847 | .get_media_content(request) |
| 2848 | .await |
| 2849 | .map_err(|source| { |
| 2850 | CommandError::with_source( |
| 2851 | CommandErrorKind::Store, |
| 2852 | "reading media cache failed", |
| 2853 | source, |
| 2854 | ) |
| 2855 | }) |
| 2856 | } |
| 2857 | |
| 2858 | async fn remove_oversize_media(client: &Client, request: &MediaRequestParameters) { |
| 2859 | if let Ok(store) = client.media_store().lock().await { |
| 2860 | let _ = store.remove_media_content(request).await; |
| 2861 | } |
| 2862 | } |
| 2863 | |
| 2864 | async fn cache_media(client: &Client, request: &MediaRequestParameters, bytes: &[u8]) { |
| 2865 | if let Ok(store) = client.media_store().lock().await { |
| 2866 | let _ = store |
| 2867 | .add_media_content( |
| 2868 | request, |
| 2869 | bytes.to_vec(), |
| 2870 | matrix_sdk::media::store::IgnoreMediaRetentionPolicy::No, |
| 2871 | ) |
| 2872 | .await; |
| 2873 | } |
| 2874 | } |
| 2875 | |
| 2876 | fn maybe_decrypt_media( |
| 2877 | bytes: Vec<u8>, |
| 2878 | request: &MediaRequestParameters, |
| 2879 | max_media_bytes: usize, |
| 2880 | ) -> Result<Vec<u8>, CommandError> { |
| 2881 | let matrix_sdk::ruma::events::room::MediaSource::Encrypted(file) = &request.source else { |
| 2882 | return Ok(bytes); |
| 2883 | }; |
| 2884 | let info: MediaEncryptionInfo = (**file).clone().into(); |
| 2885 | let mut cursor = std::io::Cursor::new(bytes); |
| 2886 | let mut decryptor = AttachmentDecryptor::new(&mut cursor, info).map_err(|source| { |
| 2887 | CommandError::with_source( |
| 2888 | CommandErrorKind::MediaUnavailable, |
| 2889 | "media decryption failed", |
| 2890 | source, |
| 2891 | ) |
| 2892 | })?; |
| 2893 | let mut decrypted = Vec::new(); |
| 2894 | let mut chunk = [0_u8; 8192]; |
| 2895 | loop { |
| 2896 | match decryptor.read(&mut chunk) { |
| 2897 | Ok(0) => break, |
| 2898 | Ok(read) => { |
| 2899 | if read > max_media_bytes.saturating_sub(decrypted.len()) { |
| 2900 | return Err(CommandError::new( |
| 2901 | CommandErrorKind::MediaTooLarge, |
| 2902 | "decrypted media exceeds the configured byte limit", |
| 2903 | )); |
| 2904 | } |
| 2905 | decrypted.extend_from_slice(&chunk[..read]); |
| 2906 | } |
| 2907 | Err(source) => { |
| 2908 | return Err(CommandError::with_source( |
| 2909 | CommandErrorKind::MediaUnavailable, |
| 2910 | "media decryption failed", |
| 2911 | source, |
| 2912 | )); |
| 2913 | } |
| 2914 | } |
| 2915 | } |
| 2916 | Ok(decrypted) |
| 2917 | } |
| 2918 | |
| 2919 | async fn download_bounded( |
| 2920 | client: &Client, |
| 2921 | request: &MediaRequestParameters, |
| 2922 | max_media_bytes: usize, |
| 2923 | ) -> Result<Vec<u8>, CommandError> { |
| 2924 | if is_local_media(&request.source) { |
| 2925 | return Err(CommandError::new( |
| 2926 | CommandErrorKind::MediaUnavailable, |
| 2927 | "local media is not in the media cache", |
| 2928 | )); |
| 2929 | } |
| 2930 | let http_request = media_http_request(client, request).await?; |
| 2931 | let http_client = client.http_client().clone(); |
| 2932 | let request = http_client |
| 2933 | .execute(request_from_http(http_request)?) |
| 2934 | .await |
| 2935 | .map_err(|source| { |
| 2936 | CommandError::with_source(CommandErrorKind::Network, "media download failed", source) |
| 2937 | })?; |
| 2938 | let status = request.status(); |
| 2939 | if status == matrix_sdk::reqwest::StatusCode::UNAUTHORIZED { |
| 2940 | client.refresh_access_token().await.map_err(|source| { |
| 2941 | CommandError::from_refresh_token("refreshing media access token failed", source) |
| 2942 | })?; |
| 2943 | return Err(CommandError::new( |
| 2944 | CommandErrorKind::Unauthenticated, |
| 2945 | "media download was not authorized", |
| 2946 | )); |
| 2947 | } |
| 2948 | if !status.is_success() { |
| 2949 | return Err(CommandError::new( |
| 2950 | CommandErrorKind::MediaUnavailable, |
| 2951 | format!("media download failed with status {status}"), |
| 2952 | )); |
| 2953 | } |
| 2954 | if request |
| 2955 | .content_length() |
| 2956 | .is_some_and(|length| length > max_media_bytes as u64) |
| 2957 | { |
| 2958 | return Err(CommandError::new( |
| 2959 | CommandErrorKind::MediaTooLarge, |
| 2960 | "media exceeds the configured byte limit", |
| 2961 | )); |
| 2962 | } |
| 2963 | let mut stream = request.bytes_stream(); |
| 2964 | let mut bytes = Vec::new(); |
| 2965 | while let Some(chunk) = stream.next().await { |
| 2966 | let chunk = chunk.map_err(|source| { |
| 2967 | CommandError::with_source(CommandErrorKind::Network, "media download failed", source) |
| 2968 | })?; |
| 2969 | if chunk.len() > max_media_bytes.saturating_sub(bytes.len()) { |
| 2970 | return Err(CommandError::new( |
| 2971 | CommandErrorKind::MediaTooLarge, |
| 2972 | "downloaded media exceeds the configured byte limit", |
| 2973 | )); |
| 2974 | } |
| 2975 | bytes.extend_from_slice(&chunk); |
| 2976 | } |
| 2977 | Ok(bytes) |
| 2978 | } |
| 2979 | |
| 2980 | fn is_local_media(source: &matrix_sdk::ruma::events::room::MediaSource) -> bool { |
| 2981 | let uri = match source { |
| 2982 | matrix_sdk::ruma::events::room::MediaSource::Plain(uri) => uri, |
| 2983 | matrix_sdk::ruma::events::room::MediaSource::Encrypted(file) => &file.url, |
| 2984 | }; |
| 2985 | let Ok(server) = uri.server_name() else { |
| 2986 | return false; |
| 2987 | }; |
| 2988 | server.as_str() == "send-queue.localhost" |
| 2989 | } |
| 2990 | |
| 2991 | async fn media_http_request( |
| 2992 | client: &Client, |
| 2993 | request: &MediaRequestParameters, |
| 2994 | ) -> Result<http::Request<Vec<u8>>, CommandError> { |
| 2995 | use matrix_sdk::ruma::api::client::{authenticated_media, media}; |
| 2996 | |
| 2997 | let versions = client.supported_versions().await.map_err(|source| { |
| 2998 | CommandError::with_source( |
| 2999 | CommandErrorKind::Network, |
| 3000 | "reading supported server versions failed", |
| 3001 | source, |
| 3002 | ) |
| 3003 | })?; |
| 3004 | let use_auth = |
| 3005 | authenticated_media::get_content::v1::Request::PATH_BUILDER.is_supported(&versions); |
| 3006 | let base = client.homeserver().to_string(); |
| 3007 | let token = client.access_token(); |
| 3008 | let build = |request: http::Request<Vec<u8>>| -> Result<http::Request<Vec<u8>>, CommandError> { |
| 3009 | let mut request = request; |
| 3010 | if let Some(token) = token.as_deref() { |
| 3011 | request.headers_mut().insert( |
| 3012 | http::header::AUTHORIZATION, |
| 3013 | format!("Bearer {token}").parse().map_err(|_| { |
| 3014 | CommandError::new( |
| 3015 | CommandErrorKind::Unauthenticated, |
| 3016 | "stored access token is invalid", |
| 3017 | ) |
| 3018 | })?, |
| 3019 | ); |
| 3020 | } |
| 3021 | Ok(request) |
| 3022 | }; |
| 3023 | match &request.source { |
| 3024 | matrix_sdk::ruma::events::room::MediaSource::Encrypted(file) => { |
| 3025 | if use_auth { |
| 3026 | let endpoint = authenticated_media::get_content::v1::Request::from_uri(&file.url) |
| 3027 | .map_err(|source| { |
| 3028 | CommandError::with_source( |
| 3029 | CommandErrorKind::Other, |
| 3030 | "media URI is invalid", |
| 3031 | source, |
| 3032 | ) |
| 3033 | })?; |
| 3034 | endpoint |
| 3035 | .try_into_http_request::<Vec<u8>>( |
| 3036 | &base, |
| 3037 | SendAccessToken::IfRequired(token.as_deref().unwrap_or("")), |
| 3038 | Cow::Borrowed(&versions), |
| 3039 | ) |
| 3040 | .map_err(|_| { |
| 3041 | CommandError::new( |
| 3042 | CommandErrorKind::Unauthenticated, |
| 3043 | "media request could not be authorized", |
| 3044 | ) |
| 3045 | }) |
| 3046 | .and_then(build) |
| 3047 | } else { |
| 3048 | #[allow(deprecated)] |
| 3049 | let endpoint = |
| 3050 | media::get_content::v3::Request::from_url(&file.url).map_err(|source| { |
| 3051 | CommandError::with_source( |
| 3052 | CommandErrorKind::Other, |
| 3053 | "media URI is invalid", |
| 3054 | source, |
| 3055 | ) |
| 3056 | })?; |
| 3057 | endpoint |
| 3058 | .try_into_http_request::<Vec<u8>>( |
| 3059 | &base, |
| 3060 | SendAccessToken::None, |
| 3061 | Cow::Borrowed(&versions), |
| 3062 | ) |
| 3063 | .map_err(|_| { |
| 3064 | CommandError::new(CommandErrorKind::Other, "media request is invalid") |
| 3065 | }) |
| 3066 | .and_then(build) |
| 3067 | } |
| 3068 | } |
| 3069 | matrix_sdk::ruma::events::room::MediaSource::Plain(uri) => { |
| 3070 | if let MediaFormat::Thumbnail(settings) = &request.format { |
| 3071 | if use_auth { |
| 3072 | let mut endpoint = |
| 3073 | authenticated_media::get_content_thumbnail::v1::Request::from_uri( |
| 3074 | uri, |
| 3075 | settings.width, |
| 3076 | settings.height, |
| 3077 | ) |
| 3078 | .map_err(|source| { |
| 3079 | CommandError::with_source( |
| 3080 | CommandErrorKind::Other, |
| 3081 | "media URI is invalid", |
| 3082 | source, |
| 3083 | ) |
| 3084 | })?; |
| 3085 | endpoint.method = Some(settings.method.clone()); |
| 3086 | endpoint.animated = Some(settings.animated); |
| 3087 | endpoint |
| 3088 | .try_into_http_request::<Vec<u8>>( |
| 3089 | &base, |
| 3090 | SendAccessToken::IfRequired(token.as_deref().unwrap_or("")), |
| 3091 | Cow::Borrowed(&versions), |
| 3092 | ) |
| 3093 | .map_err(|_| { |
| 3094 | CommandError::new( |
| 3095 | CommandErrorKind::Unauthenticated, |
| 3096 | "media request could not be authorized", |
| 3097 | ) |
| 3098 | }) |
| 3099 | .and_then(build) |
| 3100 | } else { |
| 3101 | #[allow(deprecated)] |
| 3102 | let endpoint = { |
| 3103 | let mut endpoint = media::get_content_thumbnail::v3::Request::from_url( |
| 3104 | uri, |
| 3105 | settings.width, |
| 3106 | settings.height, |
| 3107 | ) |
| 3108 | .map_err(|source| { |
| 3109 | CommandError::with_source( |
| 3110 | CommandErrorKind::Other, |
| 3111 | "media URI is invalid", |
| 3112 | source, |
| 3113 | ) |
| 3114 | })?; |
| 3115 | endpoint.method = Some(settings.method.clone()); |
| 3116 | endpoint.animated = Some(settings.animated); |
| 3117 | endpoint |
| 3118 | }; |
| 3119 | endpoint |
| 3120 | .try_into_http_request::<Vec<u8>>( |
| 3121 | &base, |
| 3122 | SendAccessToken::None, |
| 3123 | Cow::Borrowed(&versions), |
| 3124 | ) |
| 3125 | .map_err(|_| { |
| 3126 | CommandError::new(CommandErrorKind::Other, "media request is invalid") |
| 3127 | }) |
| 3128 | .and_then(build) |
| 3129 | } |
| 3130 | } else if use_auth { |
| 3131 | let endpoint = authenticated_media::get_content::v1::Request::from_uri(uri) |
| 3132 | .map_err(|source| { |
| 3133 | CommandError::with_source( |
| 3134 | CommandErrorKind::Other, |
| 3135 | "media URI is invalid", |
| 3136 | source, |
| 3137 | ) |
| 3138 | })?; |
| 3139 | endpoint |
| 3140 | .try_into_http_request::<Vec<u8>>( |
| 3141 | &base, |
| 3142 | SendAccessToken::IfRequired(token.as_deref().unwrap_or("")), |
| 3143 | Cow::Borrowed(&versions), |
| 3144 | ) |
| 3145 | .map_err(|_| { |
| 3146 | CommandError::new( |
| 3147 | CommandErrorKind::Unauthenticated, |
| 3148 | "media request could not be authorized", |
| 3149 | ) |
| 3150 | }) |
| 3151 | .and_then(build) |
| 3152 | } else { |
| 3153 | #[allow(deprecated)] |
| 3154 | let endpoint = |
| 3155 | media::get_content::v3::Request::from_url(uri).map_err(|source| { |
| 3156 | CommandError::with_source( |
| 3157 | CommandErrorKind::Other, |
| 3158 | "media URI is invalid", |
| 3159 | source, |
| 3160 | ) |
| 3161 | })?; |
| 3162 | endpoint |
| 3163 | .try_into_http_request::<Vec<u8>>( |
| 3164 | &base, |
| 3165 | SendAccessToken::None, |
| 3166 | Cow::Borrowed(&versions), |
| 3167 | ) |
| 3168 | .map_err(|_| { |
| 3169 | CommandError::new(CommandErrorKind::Other, "media request is invalid") |
| 3170 | }) |
| 3171 | .and_then(build) |
| 3172 | } |
| 3173 | } |
| 3174 | } |
| 3175 | } |
| 3176 | |
| 3177 | fn request_from_http( |
| 3178 | request: http::Request<Vec<u8>>, |
| 3179 | ) -> Result<matrix_sdk::reqwest::Request, CommandError> { |
| 3180 | let (parts, _) = request.into_parts(); |
| 3181 | let mut builder = matrix_sdk::reqwest::Client::new().get(parts.uri.to_string()); |
| 3182 | for (name, value) in parts.headers.iter() { |
| 3183 | builder = builder.header(name.as_str(), value.as_bytes()); |
| 3184 | } |
| 3185 | builder |
| 3186 | .build() |
| 3187 | .map_err(|_| CommandError::new(CommandErrorKind::Network, "media request is invalid")) |
| 3188 | } |
| 3189 | |
| 3190 | impl RoomActor { |
| 3191 | async fn run(mut self, current_user_id: Option<ruma::OwnedUserId>) { |
| 3192 | let timeline = match self |
| 3193 | .room |
| 3194 | .timeline_builder() |
| 3195 | .with_focus(TimelineFocus::Live { |
| 3196 | hide_threaded_events: true, |
| 3197 | }) |
| 3198 | .track_read_marker_and_receipts(TimelineReadReceiptTracking::AllEvents) |
| 3199 | .build() |
| 3200 | .await |
| 3201 | { |
| 3202 | Ok(timeline) => timeline, |
| 3203 | Err(error) => { |
| 3204 | tracing::warn!(error = %error, room_id = %self.room_id, "room actor could not build its timeline"); |
| 3205 | let message = format!("room timeline build failed: {error}"); |
| 3206 | for id in self.open_ids.drain(..) { |
| 3207 | let _ = emit_command_result( |
| 3208 | &self.events, |
| 3209 | id, |
| 3210 | CommandKind::Room, |
| 3211 | Err(CommandError::new( |
| 3212 | CommandErrorKind::Timeline, |
| 3213 | message.clone(), |
| 3214 | )), |
| 3215 | ) |
| 3216 | .await; |
| 3217 | } |
| 3218 | self.receiver.close(); |
| 3219 | while let Some(request) = self.receiver.recv().await { |
| 3220 | let (id, command) = match request { |
| 3221 | RoomActorRequest::Opened { id } | RoomActorRequest::Close { id } => { |
| 3222 | (id, CommandKind::Room) |
| 3223 | } |
| 3224 | RoomActorRequest::Execute { id, .. } => (id, CommandKind::Timeline), |
| 3225 | }; |
| 3226 | let _ = emit_command_result( |
| 3227 | &self.events, |
| 3228 | id, |
| 3229 | command, |
| 3230 | Err(CommandError::new( |
| 3231 | CommandErrorKind::Timeline, |
| 3232 | "room timeline build failed", |
| 3233 | )), |
| 3234 | ) |
| 3235 | .await; |
| 3236 | } |
| 3237 | return; |
| 3238 | } |
| 3239 | }; |
| 3240 | let room_timeline_id = TimelineId::Room(self.room_id.clone()); |
| 3241 | let mut room_timeline = match TimelineSession::start( |
| 3242 | room_timeline_id, |
| 3243 | timeline, |
| 3244 | self.events.clone(), |
| 3245 | self.media.clone(), |
| 3246 | current_user_id.clone(), |
| 3247 | self.initial_history_limit, |
| 3248 | ) |
| 3249 | .await |
| 3250 | { |
| 3251 | Ok(timeline) => timeline, |
| 3252 | Err(_) => return, |
| 3253 | }; |
| 3254 | let _ = self.engine_events.send(RoomActorEvent::Ready { |
| 3255 | room_id: self.room_id.clone(), |
| 3256 | generation: self.generation, |
| 3257 | }); |
| 3258 | for id in self.open_ids.drain(..) { |
| 3259 | if emit_command_result(&self.events, id, CommandKind::Room, Ok(())) |
| 3260 | .await |
| 3261 | .is_err() |
| 3262 | { |
| 3263 | return; |
| 3264 | } |
| 3265 | } |
| 3266 | |
| 3267 | let (typing_guard, mut typing_rx) = self.room.subscribe_to_typing_notifications(); |
| 3268 | let typing_sender = self.events.clone(); |
| 3269 | let typing_room_id = self.room_id.clone(); |
| 3270 | let mut room_tasks = JoinSet::new(); |
| 3271 | room_tasks.spawn(async move { |
| 3272 | loop { |
| 3273 | match typing_rx.recv().await { |
| 3274 | Ok(users) => { |
| 3275 | let state = TypingState { |
| 3276 | room_id: typing_room_id.clone(), |
| 3277 | users, |
| 3278 | }; |
| 3279 | if typing_sender |
| 3280 | .send(Event::TypingChanged(state)) |
| 3281 | .await |
| 3282 | .is_err() |
| 3283 | { |
| 3284 | tracing::debug!( |
| 3285 | room_id = %typing_room_id, |
| 3286 | "typing watcher stopped because the event receiver closed" |
| 3287 | ); |
| 3288 | break; |
| 3289 | } |
| 3290 | } |
| 3291 | Err(tokio::sync::broadcast::error::RecvError::Lagged(skipped)) => { |
| 3292 | tracing::warn!(room_id = %typing_room_id, skipped, "typing watcher lagged"); |
| 3293 | } |
| 3294 | Err(tokio::sync::broadcast::error::RecvError::Closed) => { |
| 3295 | tracing::debug!(room_id = %typing_room_id, "typing watcher stopped"); |
| 3296 | break; |
| 3297 | } |
| 3298 | } |
| 3299 | } |
| 3300 | }); |
| 3301 | |
| 3302 | enum QueuedThreadCommand { |
| 3303 | Open { |
| 3304 | id: CommandId, |
| 3305 | }, |
| 3306 | Execute { |
| 3307 | id: CommandId, |
| 3308 | command: TimelineCommand, |
| 3309 | }, |
| 3310 | } |
| 3311 | |
| 3312 | struct OpeningThread { |
| 3313 | generation: u64, |
| 3314 | abort: AbortHandle, |
| 3315 | task_id: TaskId, |
| 3316 | queued: VecDeque<QueuedThreadCommand>, |
| 3317 | } |
| 3318 | |
| 3319 | let mut thread_timelines = HashMap::<OwnedEventId, TimelineSession>::new(); |
| 3320 | let mut opening_threads = HashMap::<OwnedEventId, OpeningThread>::new(); |
| 3321 | let mut thread_task_ids = HashMap::<TaskId, OwnedEventId>::new(); |
| 3322 | let mut thread_open_tasks = JoinSet::new(); |
| 3323 | let mut next_thread_generation = 0_u64; |
| 3324 | let mut close_id = None; |
| 3325 | let thread_queue_cap = self.receiver.max_capacity(); |
| 3326 | let mut queued_thread_count = 0; |
| 3327 | |
| 3328 | 'actor: loop { |
| 3329 | tokio::select! { |
| 3330 | request = self.receiver.recv() => { |
| 3331 | let Some(request) = request else { |
| 3332 | tracing::debug!(room_id = %self.room_id, "room actor stopped because its request channel closed"); |
| 3333 | break; |
| 3334 | }; |
| 3335 | match request { |
| 3336 | RoomActorRequest::Opened { id } => { |
| 3337 | if emit_command_result( |
| 3338 | &self.events, |
| 3339 | id, |
| 3340 | CommandKind::Room, |
| 3341 | Ok(()), |
| 3342 | ) |
| 3343 | .await |
| 3344 | .is_err() |
| 3345 | { |
| 3346 | break; |
| 3347 | } |
| 3348 | } |
| 3349 | RoomActorRequest::Execute { id, command } => { |
| 3350 | match command { |
| 3351 | TimelineCommand::OpenThread { root_event_id, .. } => { |
| 3352 | if thread_timelines.contains_key(&root_event_id) { |
| 3353 | if emit_command_result( |
| 3354 | &self.events, |
| 3355 | id, |
| 3356 | CommandKind::Timeline, |
| 3357 | Ok(()), |
| 3358 | ) |
| 3359 | .await |
| 3360 | .is_err() |
| 3361 | { |
| 3362 | break 'actor; |
| 3363 | } |
| 3364 | } else if let Some(opening) = |
| 3365 | opening_threads.get_mut(&root_event_id) |
| 3366 | { |
| 3367 | if queued_thread_count >= thread_queue_cap { |
| 3368 | if emit_command_result( |
| 3369 | &self.events, |
| 3370 | id, |
| 3371 | CommandKind::Timeline, |
| 3372 | Err(CommandError::new( |
| 3373 | CommandErrorKind::QueueFull, |
| 3374 | "thread command queue is full", |
| 3375 | )), |
| 3376 | ) |
| 3377 | .await |
| 3378 | .is_err() |
| 3379 | { |
| 3380 | break 'actor; |
| 3381 | } |
| 3382 | } else { |
| 3383 | opening |
| 3384 | .queued |
| 3385 | .push_back(QueuedThreadCommand::Open { id }); |
| 3386 | queued_thread_count += 1; |
| 3387 | } |
| 3388 | } else if queued_thread_count >= thread_queue_cap { |
| 3389 | if emit_command_result( |
| 3390 | &self.events, |
| 3391 | id, |
| 3392 | CommandKind::Timeline, |
| 3393 | Err(CommandError::new( |
| 3394 | CommandErrorKind::QueueFull, |
| 3395 | "thread command queue is full", |
| 3396 | )), |
| 3397 | ) |
| 3398 | .await |
| 3399 | .is_err() |
| 3400 | { |
| 3401 | break 'actor; |
| 3402 | } |
| 3403 | } else { |
| 3404 | let generation = next_thread_generation; |
| 3405 | next_thread_generation = |
| 3406 | next_thread_generation.wrapping_add(1); |
| 3407 | let task_root = root_event_id.clone(); |
| 3408 | let room = self.room.clone(); |
| 3409 | let abort = thread_open_tasks.spawn(async move { |
| 3410 | let result = room |
| 3411 | .timeline_builder() |
| 3412 | .with_focus(TimelineFocus::Thread { |
| 3413 | root_event_id: root_event_id.clone(), |
| 3414 | }) |
| 3415 | .track_read_marker_and_receipts( |
| 3416 | TimelineReadReceiptTracking::AllEvents, |
| 3417 | ) |
| 3418 | .build() |
| 3419 | .await; |
| 3420 | (root_event_id, generation, result) |
| 3421 | }); |
| 3422 | let task_id = abort.id(); |
| 3423 | thread_task_ids.insert(task_id, task_root.clone()); |
| 3424 | opening_threads.insert( |
| 3425 | task_root, |
| 3426 | OpeningThread { |
| 3427 | generation, |
| 3428 | abort, |
| 3429 | task_id, |
| 3430 | queued: VecDeque::from([ |
| 3431 | QueuedThreadCommand::Open { id }, |
| 3432 | ]), |
| 3433 | }, |
| 3434 | ); |
| 3435 | queued_thread_count += 1; |
| 3436 | } |
| 3437 | } |
| 3438 | TimelineCommand::CloseThread { root_event_id, .. } => { |
| 3439 | if let Some(timeline) = thread_timelines.remove(&root_event_id) { |
| 3440 | timeline |
| 3441 | .close( |
| 3442 | CommandErrorKind::TimelineNotOpen, |
| 3443 | "thread closed while pagination was in progress", |
| 3444 | ) |
| 3445 | .await; |
| 3446 | if emit_command_result( |
| 3447 | &self.events, |
| 3448 | id, |
| 3449 | CommandKind::Timeline, |
| 3450 | Ok(()), |
| 3451 | ) |
| 3452 | .await |
| 3453 | .is_err() |
| 3454 | { |
| 3455 | break 'actor; |
| 3456 | } |
| 3457 | } else if let Some(opening) = |
| 3458 | opening_threads.remove(&root_event_id) |
| 3459 | { |
| 3460 | thread_task_ids.remove(&opening.task_id); |
| 3461 | queued_thread_count -= opening.queued.len(); |
| 3462 | opening.abort.abort(); |
| 3463 | for queued in opening.queued { |
| 3464 | let queued_id = match queued { |
| 3465 | QueuedThreadCommand::Open { id } => id, |
| 3466 | QueuedThreadCommand::Execute { id, .. } => id, |
| 3467 | }; |
| 3468 | let _ = emit_command_result( |
| 3469 | &self.events, |
| 3470 | queued_id, |
| 3471 | CommandKind::Timeline, |
| 3472 | Err(CommandError::new( |
| 3473 | CommandErrorKind::TimelineNotOpen, |
| 3474 | "thread was closed before it finished opening", |
| 3475 | )), |
| 3476 | ) |
| 3477 | .await; |
| 3478 | } |
| 3479 | if emit_command_result( |
| 3480 | &self.events, |
| 3481 | id, |
| 3482 | CommandKind::Timeline, |
| 3483 | Ok(()), |
| 3484 | ) |
| 3485 | .await |
| 3486 | .is_err() |
| 3487 | { |
| 3488 | break 'actor; |
| 3489 | } |
| 3490 | } else if emit_command_result( |
| 3491 | &self.events, |
| 3492 | id, |
| 3493 | CommandKind::Timeline, |
| 3494 | Err(CommandError::new( |
| 3495 | CommandErrorKind::TimelineNotOpen, |
| 3496 | "thread timeline is not open", |
| 3497 | )), |
| 3498 | ) |
| 3499 | .await |
| 3500 | .is_err() |
| 3501 | { |
| 3502 | break 'actor; |
| 3503 | } |
| 3504 | } |
| 3505 | TimelineCommand::Paginate { timeline_id, limit } => { |
| 3506 | match timeline_id { |
| 3507 | TimelineId::Room(_) => { |
| 3508 | room_timeline.paginate(limit, Some(id)).await; |
| 3509 | } |
| 3510 | TimelineId::Thread { room_id, root_event_id } => { |
| 3511 | if let Some(timeline) = |
| 3512 | thread_timelines.get_mut(&root_event_id) |
| 3513 | { |
| 3514 | timeline.paginate(limit, Some(id)).await; |
| 3515 | } else if let Some(opening) = |
| 3516 | opening_threads.get_mut(&root_event_id) |
| 3517 | { |
| 3518 | if queued_thread_count >= thread_queue_cap { |
| 3519 | if emit_command_result( |
| 3520 | &self.events, |
| 3521 | id, |
| 3522 | CommandKind::Timeline, |
| 3523 | Err(CommandError::new( |
| 3524 | CommandErrorKind::QueueFull, |
| 3525 | "thread command queue is full", |
| 3526 | )), |
| 3527 | ) |
| 3528 | .await |
| 3529 | .is_err() |
| 3530 | { |
| 3531 | break 'actor; |
| 3532 | } |
| 3533 | } else { |
| 3534 | opening.queued.push_back( |
| 3535 | QueuedThreadCommand::Execute { |
| 3536 | id, |
| 3537 | command: |
| 3538 | TimelineCommand::Paginate { |
| 3539 | timeline_id: |
| 3540 | TimelineId::Thread { |
| 3541 | room_id, |
| 3542 | root_event_id, |
| 3543 | }, |
| 3544 | limit, |
| 3545 | }, |
| 3546 | }, |
| 3547 | ); |
| 3548 | queued_thread_count += 1; |
| 3549 | } |
| 3550 | } else if emit_command_result( |
| 3551 | &self.events, |
| 3552 | id, |
| 3553 | CommandKind::Timeline, |
| 3554 | Err(CommandError::new( |
| 3555 | CommandErrorKind::TimelineNotOpen, |
| 3556 | "timeline is not open", |
| 3557 | )), |
| 3558 | ) |
| 3559 | .await |
| 3560 | .is_err() |
| 3561 | { |
| 3562 | break 'actor; |
| 3563 | } |
| 3564 | } |
| 3565 | } |
| 3566 | } |
| 3567 | command => { |
| 3568 | let thread_target = match command |
| 3569 | .timeline_id() |
| 3570 | .expect("non-lifecycle timeline command has a timeline id") |
| 3571 | { |
| 3572 | TimelineId::Room(_) => None, |
| 3573 | TimelineId::Thread { root_event_id, .. } => { |
| 3574 | Some(root_event_id.clone()) |
| 3575 | } |
| 3576 | }; |
| 3577 | match thread_target { |
| 3578 | None => { |
| 3579 | let result = execute_timeline_command( |
| 3580 | &mut room_timeline, |
| 3581 | command, |
| 3582 | None, |
| 3583 | ) |
| 3584 | .await; |
| 3585 | if emit_command_result( |
| 3586 | &self.events, |
| 3587 | id, |
| 3588 | CommandKind::Timeline, |
| 3589 | result, |
| 3590 | ) |
| 3591 | .await |
| 3592 | .is_err() |
| 3593 | { |
| 3594 | tracing::debug!(room_id = %self.room_id, "room actor stopped because the event receiver closed"); |
| 3595 | break; |
| 3596 | } |
| 3597 | } |
| 3598 | Some(root_event_id) => { |
| 3599 | if let Some(timeline) = |
| 3600 | thread_timelines.get_mut(&root_event_id) |
| 3601 | { |
| 3602 | let thread_root = |
| 3603 | timeline.id.thread_root().cloned(); |
| 3604 | let result = execute_timeline_command( |
| 3605 | timeline, |
| 3606 | command, |
| 3607 | thread_root.as_ref(), |
| 3608 | ) |
| 3609 | .await; |
| 3610 | if emit_command_result( |
| 3611 | &self.events, |
| 3612 | id, |
| 3613 | CommandKind::Timeline, |
| 3614 | result, |
| 3615 | ) |
| 3616 | .await |
| 3617 | .is_err() |
| 3618 | { |
| 3619 | tracing::debug!(room_id = %self.room_id, "room actor stopped because the event receiver closed"); |
| 3620 | break; |
| 3621 | } |
| 3622 | } else if let Some(opening) = |
| 3623 | opening_threads.get_mut(&root_event_id) |
| 3624 | { |
| 3625 | if queued_thread_count >= thread_queue_cap { |
| 3626 | if emit_command_result( |
| 3627 | &self.events, |
| 3628 | id, |
| 3629 | CommandKind::Timeline, |
| 3630 | Err(CommandError::new( |
| 3631 | CommandErrorKind::QueueFull, |
| 3632 | "thread command queue is full", |
| 3633 | )), |
| 3634 | ) |
| 3635 | .await |
| 3636 | .is_err() |
| 3637 | { |
| 3638 | break 'actor; |
| 3639 | } |
| 3640 | } else { |
| 3641 | opening.queued.push_back( |
| 3642 | QueuedThreadCommand::Execute { id, command }, |
| 3643 | ); |
| 3644 | queued_thread_count += 1; |
| 3645 | } |
| 3646 | } else if emit_command_result( |
| 3647 | &self.events, |
| 3648 | id, |
| 3649 | CommandKind::Timeline, |
| 3650 | Err(CommandError::new( |
| 3651 | CommandErrorKind::TimelineNotOpen, |
| 3652 | "timeline is not open", |
| 3653 | )), |
| 3654 | ) |
| 3655 | .await |
| 3656 | .is_err() |
| 3657 | { |
| 3658 | tracing::debug!(room_id = %self.room_id, "room actor stopped because the event receiver closed"); |
| 3659 | break; |
| 3660 | } |
| 3661 | } |
| 3662 | } |
| 3663 | } |
| 3664 | } |
| 3665 | } |
| 3666 | RoomActorRequest::Close { id } => { |
| 3667 | close_id = Some(id); |
| 3668 | break 'actor; |
| 3669 | } |
| 3670 | } |
| 3671 | } |
| 3672 | completed = thread_open_tasks.join_next(), if !thread_open_tasks.is_empty() => { |
| 3673 | match completed { |
| 3674 | Some(Ok((root_event_id, generation, result))) => { |
| 3675 | if opening_threads |
| 3676 | .get(&root_event_id) |
| 3677 | .is_none_or(|opening| opening.generation != generation) |
| 3678 | { |
| 3679 | continue; |
| 3680 | } |
| 3681 | let opening = opening_threads |
| 3682 | .remove(&root_event_id) |
| 3683 | .expect("thread generation was checked"); |
| 3684 | thread_task_ids.remove(&opening.task_id); |
| 3685 | queued_thread_count -= opening.queued.len(); |
| 3686 | match result { |
| 3687 | Ok(timeline) => { |
| 3688 | let timeline_id = TimelineId::thread( |
| 3689 | self.room_id.clone(), |
| 3690 | root_event_id.clone(), |
| 3691 | ); |
| 3692 | match TimelineSession::start( |
| 3693 | timeline_id, |
| 3694 | timeline, |
| 3695 | self.events.clone(), |
| 3696 | self.media.clone(), |
| 3697 | current_user_id.clone(), |
| 3698 | self.initial_history_limit, |
| 3699 | ) |
| 3700 | .await |
| 3701 | { |
| 3702 | Ok(session) => { |
| 3703 | thread_timelines |
| 3704 | .insert(root_event_id.clone(), session); |
| 3705 | let timeline = thread_timelines |
| 3706 | .get_mut(&root_event_id) |
| 3707 | .expect("thread session was inserted"); |
| 3708 | for queued in opening.queued { |
| 3709 | match queued { |
| 3710 | QueuedThreadCommand::Open { id } => { |
| 3711 | if emit_command_result( |
| 3712 | &self.events, |
| 3713 | id, |
| 3714 | CommandKind::Timeline, |
| 3715 | Ok(()), |
| 3716 | ) |
| 3717 | .await |
| 3718 | .is_err() |
| 3719 | { |
| 3720 | break 'actor; |
| 3721 | } |
| 3722 | } |
| 3723 | QueuedThreadCommand::Execute { |
| 3724 | id, |
| 3725 | command, |
| 3726 | } => match command { |
| 3727 | TimelineCommand::Paginate { |
| 3728 | limit, |
| 3729 | .. |
| 3730 | } => { |
| 3731 | timeline |
| 3732 | .paginate(limit, Some(id)) |
| 3733 | .await; |
| 3734 | } |
| 3735 | command => { |
| 3736 | let thread_root = timeline |
| 3737 | .id |
| 3738 | .thread_root() |
| 3739 | .cloned(); |
| 3740 | let result = |
| 3741 | execute_timeline_command( |
| 3742 | timeline, |
| 3743 | command, |
| 3744 | thread_root.as_ref(), |
| 3745 | ) |
| 3746 | .await; |
| 3747 | if emit_command_result( |
| 3748 | &self.events, |
| 3749 | id, |
| 3750 | CommandKind::Timeline, |
| 3751 | result, |
| 3752 | ) |
| 3753 | .await |
| 3754 | .is_err() |
| 3755 | { |
| 3756 | break 'actor; |
| 3757 | } |
| 3758 | } |
| 3759 | }, |
| 3760 | } |
| 3761 | } |
| 3762 | } |
| 3763 | Err(_) => break 'actor, |
| 3764 | } |
| 3765 | } |
| 3766 | Err(error) => { |
| 3767 | tracing::warn!(error = %error, room_id = %self.room_id, %root_event_id, "thread timeline build failed"); |
| 3768 | let message = format!("thread timeline build failed: {error}"); |
| 3769 | for queued in opening.queued { |
| 3770 | let queued_id = match queued { |
| 3771 | QueuedThreadCommand::Open { id } => id, |
| 3772 | QueuedThreadCommand::Execute { id, .. } => id, |
| 3773 | }; |
| 3774 | if emit_command_result( |
| 3775 | &self.events, |
| 3776 | queued_id, |
| 3777 | CommandKind::Timeline, |
| 3778 | Err(CommandError::new( |
| 3779 | CommandErrorKind::Timeline, |
| 3780 | message.clone(), |
| 3781 | )), |
| 3782 | ) |
| 3783 | .await |
| 3784 | .is_err() |
| 3785 | { |
| 3786 | break 'actor; |
| 3787 | } |
| 3788 | } |
| 3789 | } |
| 3790 | } |
| 3791 | } |
| 3792 | Some(Err(error)) => { |
| 3793 | if let Some(root_event_id) = thread_task_ids.remove(&error.id()) { |
| 3794 | tracing::warn!(error = %error, room_id = %self.room_id, %root_event_id, "thread open task failed"); |
| 3795 | if let Some(opening) = opening_threads.remove(&root_event_id) { |
| 3796 | queued_thread_count -= opening.queued.len(); |
| 3797 | for queued in opening.queued { |
| 3798 | let queued_id = match queued { |
| 3799 | QueuedThreadCommand::Open { id } => id, |
| 3800 | QueuedThreadCommand::Execute { id, .. } => id, |
| 3801 | }; |
| 3802 | if emit_command_result( |
| 3803 | &self.events, |
| 3804 | queued_id, |
| 3805 | CommandKind::Timeline, |
| 3806 | Err(CommandError::new( |
| 3807 | CommandErrorKind::Timeline, |
| 3808 | "thread timeline build task failed", |
| 3809 | )), |
| 3810 | ) |
| 3811 | .await |
| 3812 | .is_err() |
| 3813 | { |
| 3814 | break 'actor; |
| 3815 | } |
| 3816 | } |
| 3817 | } |
| 3818 | } else { |
| 3819 | tracing::debug!(error = %error, room_id = %self.room_id, "thread open task was aborted"); |
| 3820 | } |
| 3821 | } |
| 3822 | None => {} |
| 3823 | } |
| 3824 | } |
| 3825 | completed = room_tasks.join_next(), if !room_tasks.is_empty() => { |
| 3826 | match completed { |
| 3827 | Some(Err(error)) => { |
| 3828 | tracing::warn!(error = %error, room_id = %self.room_id, "room actor task failed"); |
| 3829 | } |
| 3830 | Some(Ok(())) => { |
| 3831 | tracing::warn!(room_id = %self.room_id, "room actor task stopped unexpectedly"); |
| 3832 | } |
| 3833 | None => {} |
| 3834 | } |
| 3835 | } |
| 3836 | } |
| 3837 | } |
| 3838 | |
| 3839 | drop(typing_guard); |
| 3840 | room_tasks.abort_all(); |
| 3841 | while room_tasks.join_next().await.is_some() {} |
| 3842 | thread_task_ids.clear(); |
| 3843 | let pending_opens = opening_threads |
| 3844 | .drain() |
| 3845 | .flat_map(|(_, opening)| opening.queued) |
| 3846 | .collect::<Vec<_>>(); |
| 3847 | for queued in pending_opens { |
| 3848 | let queued_id = match queued { |
| 3849 | QueuedThreadCommand::Open { id } => id, |
| 3850 | QueuedThreadCommand::Execute { id, .. } => id, |
| 3851 | }; |
| 3852 | let _ = emit_command_result( |
| 3853 | &self.events, |
| 3854 | queued_id, |
| 3855 | CommandKind::Timeline, |
| 3856 | Err(CommandError::new( |
| 3857 | CommandErrorKind::RoomNotOpen, |
| 3858 | "room closed while thread timeline was opening", |
| 3859 | )), |
| 3860 | ) |
| 3861 | .await; |
| 3862 | } |
| 3863 | thread_open_tasks.abort_all(); |
| 3864 | while thread_open_tasks.join_next().await.is_some() {} |
| 3865 | for (_, timeline) in thread_timelines { |
| 3866 | timeline |
| 3867 | .close( |
| 3868 | CommandErrorKind::RoomNotOpen, |
| 3869 | "room closed while thread pagination was in progress", |
| 3870 | ) |
| 3871 | .await; |
| 3872 | } |
| 3873 | room_timeline |
| 3874 | .close( |
| 3875 | CommandErrorKind::RoomNotOpen, |
| 3876 | "room closed while pagination was in progress", |
| 3877 | ) |
| 3878 | .await; |
| 3879 | if let Some(id) = close_id |
| 3880 | && emit_command_result(&self.events, id, CommandKind::Room, Ok(())) |
| 3881 | .await |
| 3882 | .is_err() |
| 3883 | { |
| 3884 | tracing::debug!(room_id = %self.room_id, "room close acknowledgement was not delivered"); |
| 3885 | } |
| 3886 | } |
| 3887 | } |
| 3888 | |
| 3889 | async fn execute_timeline_command( |
| 3890 | session: &mut TimelineSession, |
| 3891 | command: TimelineCommand, |
| 3892 | thread_root: Option<&OwnedEventId>, |
| 3893 | ) -> Result<(), CommandError> { |
| 3894 | let timeline = &session.timeline; |
| 3895 | match command { |
| 3896 | TimelineCommand::OpenThread { .. } | TimelineCommand::CloseThread { .. } => { |
| 3897 | Err(CommandError::new( |
| 3898 | CommandErrorKind::Other, |
| 3899 | "thread lifecycle command was misrouted", |
| 3900 | )) |
| 3901 | } |
| 3902 | TimelineCommand::Resync { .. } => session.resync().await.map_err(|_| { |
| 3903 | CommandError::new( |
| 3904 | CommandErrorKind::Timeline, |
| 3905 | "timeline resync could not emit a reset", |
| 3906 | ) |
| 3907 | }), |
| 3908 | TimelineCommand::Paginate { .. } => Ok(()), |
| 3909 | TimelineCommand::Send { content, .. } => { |
| 3910 | let body = match &content { |
| 3911 | MessageContent::Text { content, .. } |
| 3912 | | MessageContent::Emote { content, .. } |
| 3913 | | MessageContent::Reply { content, .. } => &content.body, |
| 3914 | }; |
| 3915 | if body.trim().is_empty() { |
| 3916 | return Err(CommandError::new( |
| 3917 | CommandErrorKind::EmptyBody, |
| 3918 | "message body is empty", |
| 3919 | )); |
| 3920 | } |
| 3921 | match content { |
| 3922 | MessageContent::Text { content, mentions } => timeline |
| 3923 | .send( |
| 3924 | message_content(content, mentions, false) |
| 3925 | .with_relation(None) |
| 3926 | .into(), |
| 3927 | ) |
| 3928 | .await |
| 3929 | .map(|_| ()) |
| 3930 | .map_err(timeline_error), |
| 3931 | MessageContent::Emote { content, mentions } => timeline |
| 3932 | .send( |
| 3933 | message_content(content, mentions, true) |
| 3934 | .with_relation(None) |
| 3935 | .into(), |
| 3936 | ) |
| 3937 | .await |
| 3938 | .map(|_| ()) |
| 3939 | .map_err(timeline_error), |
| 3940 | MessageContent::Reply { |
| 3941 | event_id, |
| 3942 | content, |
| 3943 | mentions, |
| 3944 | notify_replied_to, |
| 3945 | } => { |
| 3946 | let content = timeline |
| 3947 | .room() |
| 3948 | .make_reply_event( |
| 3949 | message_content(content, mentions, false), |
| 3950 | SdkReply { |
| 3951 | event_id, |
| 3952 | enforce_thread: if thread_root.is_some() { |
| 3953 | EnforceThread::Threaded(ReplyWithinThread::Yes) |
| 3954 | } else { |
| 3955 | EnforceThread::MaybeThreaded |
| 3956 | }, |
| 3957 | add_mentions: if notify_replied_to { |
| 3958 | AddMentions::Yes |
| 3959 | } else { |
| 3960 | AddMentions::No |
| 3961 | }, |
| 3962 | }, |
| 3963 | ) |
| 3964 | .await |
| 3965 | .map_err(|source| { |
| 3966 | CommandError::with_source( |
| 3967 | CommandErrorKind::Timeline, |
| 3968 | "reply operation failed", |
| 3969 | source, |
| 3970 | ) |
| 3971 | })?; |
| 3972 | if let Some(thread_root) = thread_root |
| 3973 | && !matches!( |
| 3974 | content.relates_to.as_ref(), |
| 3975 | Some(Relation::Thread(thread)) if &thread.event_id == thread_root |
| 3976 | ) |
| 3977 | { |
| 3978 | return Err(CommandError::new( |
| 3979 | CommandErrorKind::Timeline, |
| 3980 | "reply target does not belong to the selected thread", |
| 3981 | )); |
| 3982 | } |
| 3983 | timeline |
| 3984 | .send(content.into()) |
| 3985 | .await |
| 3986 | .map(|_| ()) |
| 3987 | .map_err(timeline_error) |
| 3988 | } |
| 3989 | } |
| 3990 | } |
| 3991 | TimelineCommand::Edit { |
| 3992 | event_id, content, .. |
| 3993 | } => { |
| 3994 | let (content, mentions, emote) = match content { |
| 3995 | MessageEditContent::Text { content, mentions } => (content, mentions, false), |
| 3996 | MessageEditContent::Emote { content, mentions } => (content, mentions, true), |
| 3997 | }; |
| 3998 | if content.body.trim().is_empty() { |
| 3999 | return Err(CommandError::new( |
| 4000 | CommandErrorKind::EmptyBody, |
| 4001 | "message body is empty", |
| 4002 | )); |
| 4003 | } |
| 4004 | timeline |
| 4005 | .edit( |
| 4006 | &TimelineEventItemId::EventId(event_id), |
| 4007 | EditedContent::RoomMessage(message_content(content, mentions, emote)), |
| 4008 | ) |
| 4009 | .await |
| 4010 | .map_err(timeline_error) |
| 4011 | } |
| 4012 | TimelineCommand::Redact { |
| 4013 | event_id, reason, .. |
| 4014 | } => timeline |
| 4015 | .redact(&TimelineEventItemId::EventId(event_id), reason.as_deref()) |
| 4016 | .await |
| 4017 | .map_err(timeline_error), |
| 4018 | TimelineCommand::ToggleReaction { event_id, key, .. } => timeline |
| 4019 | .toggle_reaction(&TimelineEventItemId::EventId(event_id), &key) |
| 4020 | .await |
| 4021 | .map(|_| ()) |
| 4022 | .map_err(timeline_error), |
| 4023 | } |
| 4024 | } |
| 4025 | |
| 4026 | fn message_content( |
| 4027 | content: RichText, |
| 4028 | mentions: MessageMentions, |
| 4029 | emote: bool, |
| 4030 | ) -> RoomMessageEventContentWithoutRelation { |
| 4031 | let content = match content.formatted_body { |
| 4032 | Some(formatted_body) if emote => { |
| 4033 | RoomMessageEventContentWithoutRelation::emote_html(content.body, formatted_body) |
| 4034 | } |
| 4035 | Some(formatted_body) => { |
| 4036 | RoomMessageEventContentWithoutRelation::text_html(content.body, formatted_body) |
| 4037 | } |
| 4038 | None if emote => RoomMessageEventContentWithoutRelation::emote_plain(content.body), |
| 4039 | None => RoomMessageEventContentWithoutRelation::text_plain(content.body), |
| 4040 | }; |
| 4041 | let content = content.add_mentions(Mentions::with_user_ids(mentions.user_ids)); |
| 4042 | if mentions.room { |
| 4043 | content.add_mentions(Mentions::with_room_mention()) |
| 4044 | } else { |
| 4045 | content |
| 4046 | } |
| 4047 | } |
| 4048 | |
| 4049 | async fn run_pagination(request: PaginationRequest) { |
| 4050 | let PaginationRequest { |
| 4051 | timeline, |
| 4052 | events, |
| 4053 | timeline_id, |
| 4054 | reached_start, |
| 4055 | limit, |
| 4056 | command_id, |
| 4057 | results, |
| 4058 | } = request; |
| 4059 | // One worker per timeline preserves pagination order without accumulating waiting tasks. |
| 4060 | if reached_start.load(Ordering::Acquire) { |
| 4061 | let _ = events |
| 4062 | .send(Event::HistoryChanged { |
| 4063 | timeline_id, |
| 4064 | state: HistoryState::StartReached, |
| 4065 | }) |
| 4066 | .await; |
| 4067 | if let Some(id) = command_id { |
| 4068 | let _ = results.send((id, Ok(()))); |
| 4069 | } |
| 4070 | return; |
| 4071 | } |
| 4072 | if events |
| 4073 | .send(Event::HistoryChanged { |
| 4074 | timeline_id: timeline_id.clone(), |
| 4075 | state: HistoryState::Loading, |
| 4076 | }) |
| 4077 | .await |
| 4078 | .is_err() |
| 4079 | { |
| 4080 | if let Some(id) = command_id { |
| 4081 | let _ = results.send(( |
| 4082 | id, |
| 4083 | Err(CommandError::new( |
| 4084 | CommandErrorKind::EventReceiverClosed, |
| 4085 | "event receiver has closed", |
| 4086 | )), |
| 4087 | )); |
| 4088 | } |
| 4089 | return; |
| 4090 | } |
| 4091 | let result = timeline |
| 4092 | .paginate_backwards(limit.max(1)) |
| 4093 | .await |
| 4094 | .map_err(timeline_error); |
| 4095 | match result { |
| 4096 | Ok(at_start) => { |
| 4097 | reached_start.store(at_start, Ordering::Release); |
| 4098 | let _ = events |
| 4099 | .send(Event::HistoryChanged { |
| 4100 | timeline_id, |
| 4101 | state: if at_start { |
| 4102 | HistoryState::StartReached |
| 4103 | } else { |
| 4104 | HistoryState::Idle |
| 4105 | }, |
| 4106 | }) |
| 4107 | .await; |
| 4108 | if let Some(id) = command_id { |
| 4109 | let _ = results.send((id, Ok(()))); |
| 4110 | } |
| 4111 | } |
| 4112 | Err(error) => { |
| 4113 | let _ = events |
| 4114 | .send(Event::HistoryChanged { |
| 4115 | timeline_id, |
| 4116 | state: HistoryState::Failed(error.to_string()), |
| 4117 | }) |
| 4118 | .await; |
| 4119 | if let Some(id) = command_id { |
| 4120 | let _ = results.send((id, Err(error))); |
| 4121 | } |
| 4122 | } |
| 4123 | } |
| 4124 | } |
| 4125 | |
| 4126 | async fn emit_command_result_with_room( |
| 4127 | events: &EventSender, |
| 4128 | id: CommandId, |
| 4129 | room_id: OwnedRoomId, |
| 4130 | ) -> Result<(), SendEventError> { |
| 4131 | events |
| 4132 | .send(Event::CommandSucceededWithRoom { |
| 4133 | id, |
| 4134 | command: CommandKind::Room, |
| 4135 | room_id, |
| 4136 | }) |
| 4137 | .await |
| 4138 | } |
| 4139 | |
| 4140 | async fn emit_command_result( |
| 4141 | events: &EventSender, |
| 4142 | id: CommandId, |
| 4143 | command: CommandKind, |
| 4144 | result: Result<(), CommandError>, |
| 4145 | ) -> Result<(), SendEventError> { |
| 4146 | let event = match result { |
| 4147 | Ok(()) => Event::CommandSucceeded { id, command }, |
| 4148 | Err(error) => { |
| 4149 | tracing::warn!(?id, ?command, error = ?error, "room actor command failed"); |
| 4150 | Event::CommandFailed(CommandFailure { |
| 4151 | id, |
| 4152 | command, |
| 4153 | kind: error.kind, |
| 4154 | message: error.to_string(), |
| 4155 | }) |
| 4156 | } |
| 4157 | }; |
| 4158 | events.send(event).await |
| 4159 | } |
| 4160 | |
| 4161 | fn send_error(source: SendEventError) -> CommandError { |
| 4162 | CommandError::with_source( |
| 4163 | CommandErrorKind::EventReceiverClosed, |
| 4164 | "event receiver has closed", |
| 4165 | source, |
| 4166 | ) |
| 4167 | } |
| 4168 | |
| 4169 | fn timeline_error(source: matrix_sdk_ui::timeline::Error) -> CommandError { |
| 4170 | CommandError::with_source( |
| 4171 | CommandErrorKind::Timeline, |
| 4172 | "timeline operation failed", |
| 4173 | source, |
| 4174 | ) |
| 4175 | } |