pinakes-server: bound session concurrency; handle JoinError; make analytics

retention configurable

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: Iaa35af821862eeadba0a4f384b2aec2c6a6a6964

crates/pinakes-server/src/auth.rs

@@ -84,26 +84,32 @@ pub async fn require_auth(
     let now = chrono::Utc::now();
     if session.expires_at < now {
       let username = session.username.clone();
-      // Delete expired session asynchronously (fire-and-forget)
+      // Delete expired session in a bounded background task
+      if let Ok(permit) = state.session_semaphore.clone().try_acquire_owned() {
         let storage = state.storage.clone();
         let token_owned = token.clone();
         tokio::spawn(async move {
           if let Err(e) = storage.delete_session(&token_owned).await {
             tracing::error!(error = %e, "failed to delete expired session");
           }
+          drop(permit);
         });
+      }
       tracing::info!(username = %username, "session expired");
       return unauthorized("session expired");
     }
 
-    // Update last_accessed timestamp asynchronously (fire-and-forget)
+    // Update last_accessed timestamp in a bounded background task
+    if let Ok(permit) = state.session_semaphore.clone().try_acquire_owned() {
       let storage = state.storage.clone();
       let token_owned = token.clone();
       tokio::spawn(async move {
         if let Err(e) = storage.touch_session(&token_owned).await {
           tracing::warn!(error = %e, "failed to update session last_accessed");
         }
+        drop(permit);
       });
+    }
 
     // Parse role from string
     let role = match session.role.as_str() {

crates/pinakes-server/src/error.rs

@@ -48,6 +48,13 @@ impl IntoResponse for ApiError {
         (StatusCode::UNAUTHORIZED, msg.clone())
       },
       PinakesError::Authorization(msg) => (StatusCode::FORBIDDEN, msg.clone()),
+      PinakesError::Serialization(msg) => {
+        tracing::error!(error = %msg, "serialization error");
+        (
+          StatusCode::INTERNAL_SERVER_ERROR,
+          "data serialization error".to_string(),
+        )
+      },
       PinakesError::Config(_) => {
         tracing::error!(error = %self.0, "configuration error");
         (

crates/pinakes-server/src/main.rs

@@ -557,7 +557,9 @@ async fn main() -> Result<()> {
             .await;
           },
           JobKind::CleanupAnalytics => {
-            let before = chrono::Utc::now() - chrono::Duration::days(90);
+            let retention_days = config.analytics.retention_days;
+            let before = chrono::Utc::now()
+              - chrono::Duration::days(retention_days as i64);
             match storage.cleanup_old_events(before).await {
               Ok(count) => {
                 JobQueue::complete(
@@ -712,6 +714,9 @@ async fn main() -> Result<()> {
     transcode_service,
     managed_storage,
     chunked_upload_manager,
+    session_semaphore: std::sync::Arc::new(tokio::sync::Semaphore::new(
+      pinakes_server::state::MAX_SESSION_BACKGROUND_TASKS,
+    )),
   };
 
   // Periodic session cleanup (every 15 minutes)

crates/pinakes-server/src/state.rs

@@ -12,11 +12,15 @@ use pinakes_core::{
   sync::ChunkedUploadManager,
   transcode::TranscodeService,
 };
-use tokio::sync::RwLock;
+use tokio::sync::{RwLock, Semaphore};
 
 // Note: Sessions are now stored in the database via StorageBackend
 // See storage::SessionData and related methods
 
+/// Max concurrent background session operations (touch/delete).
+/// Prevents unbounded task spawning under high request load.
+pub const MAX_SESSION_BACKGROUND_TASKS: usize = 64;
+
 #[derive(Clone)]
 pub struct AppState {
   pub storage:                DynStorageBackend,
@@ -30,4 +34,5 @@ pub struct AppState {
   pub transcode_service:      Option<Arc<TranscodeService>>,
   pub managed_storage:        Option<Arc<ManagedStorageService>>,
   pub chunked_upload_manager: Option<Arc<ChunkedUploadManager>>,
+  pub session_semaphore:      Arc<Semaphore>,
 }

crates/pinakes-server/tests/api.rs

@@ -185,6 +185,7 @@ async fn setup_app() -> axum::Router {
     transcode_service: None,
     managed_storage: None,
     chunked_upload_manager: None,
+    session_semaphore: Arc::new(tokio::sync::Semaphore::new(64)),
   };
 
   pinakes_server::app::create_router(state)
@@ -259,6 +260,7 @@ async fn setup_app_with_auth() -> (axum::Router, String, String, String) {
     transcode_service: None,
     managed_storage: None,
     chunked_upload_manager: None,
+    session_semaphore: Arc::new(tokio::sync::Semaphore::new(64)),
   };
 
   let app = pinakes_server::app::create_router(state);

crates/pinakes-server/tests/plugin.rs

@@ -144,6 +144,7 @@ async fn setup_app_with_plugins()
     transcode_service: None,
     managed_storage: None,
     chunked_upload_manager: None,
+    session_semaphore: Arc::new(tokio::sync::Semaphore::new(64)),
   };
 
   let router = pinakes_server::app::create_router(state);