feat: account purge handler, tombstone cleanup, AP tombstone signing + 410

crates/adapters/activitypub/src/lib.rs

@@ -1,4 +1,5 @@
 pub mod composite_handler;
+pub mod deletion_notifier;
 pub mod event_handler;
 pub mod federation_event_bridge;
 pub mod federation_ports;
@@ -7,6 +8,7 @@ pub mod objects;
 pub mod remote_review_repository;
 pub mod review_handler;
 pub mod social_adapter;
+pub mod tombstone_gate;
 pub(crate) mod urls;
 pub mod user_adapter;
 pub mod watchlist_handler;
@@ -20,6 +22,7 @@ pub use k_ap::{
     FollowRepository, Follower, FollowerStatus, FollowingStatus, LocalObject, RemoteActor,
 };
 
+pub use deletion_notifier::ApDeletionNotifier;
 pub use event_handler::ActivityPubEventHandler;
 pub use federation_ports::ApServiceAdapter;
 pub use remote_review_repository::{NewRemoteReview, RemoteReviewRepository, RemoteReviewUpdate};
@@ -46,6 +49,7 @@ pub struct ActivityPubWire {
     pub service: std::sync::Arc<ActivityPubService>,
     pub router: axum::Router,
     pub event_handler: std::sync::Arc<dyn domain::ports::EventHandler>,
+    pub deletion_notifier: std::sync::Arc<dyn domain::ports::FederationDeletionNotifier>,
 }
 
 pub struct ActivityPubDeps {
@@ -139,7 +143,7 @@ pub async fn wire(deps: ActivityPubDeps) -> anyhow::Result<ActivityPubWire> {
             .actor_repo(actor_repo)
             .blocklist_repo(blocklist_repo)
             .user_repo(std::sync::Arc::new(DomainUserRepoAdapter::new(
-                user_repo,
+                std::sync::Arc::clone(&user_repo),
                 instance.clone(),
             )))
             .signed_fetch_actor_id(INSTANCE_ACTOR_ID)
@@ -157,7 +161,16 @@ pub async fn wire(deps: ActivityPubDeps) -> anyhow::Result<ActivityPubWire> {
             .await?,
     );
 
-    let router = concrete.router();
+    let router = concrete
+        .router()
+        .layer(axum::middleware::from_fn_with_state(
+            std::sync::Arc::clone(&user_repo),
+            tombstone_gate::tombstone_gate,
+        ));
+    let deletion_notifier = std::sync::Arc::new(ApDeletionNotifier::new(
+        std::sync::Arc::clone(&concrete),
+        instance.clone(),
+    )) as std::sync::Arc<dyn domain::ports::FederationDeletionNotifier>;
     let event_handler = std::sync::Arc::new(ActivityPubEventHandler::new(
         std::sync::Arc::clone(&concrete),
         local_ap_content,
@@ -171,6 +184,7 @@ pub async fn wire(deps: ActivityPubDeps) -> anyhow::Result<ActivityPubWire> {
 
     let ports = std::sync::Arc::new(federation_ports::ApServiceAdapter::new(
         std::sync::Arc::clone(&concrete),
+        std::sync::Arc::clone(&user_repo),
     ));
 
     Ok(ActivityPubWire {
@@ -182,5 +196,6 @@ pub async fn wire(deps: ActivityPubDeps) -> anyhow::Result<ActivityPubWire> {
         service: concrete,
         router,
         event_handler,
+        deletion_notifier,
     })
 }