Use audience field to federate items in groups (fixes #2464) (#2584)

[lemmy.git] / crates / apub / src / protocol / activities / community / report.rs

diff --git a/crates/apub/src/protocol/activities/community/report.rs b/crates/apub/src/protocol/activities/community/report.rs
index f9830c85dbec047a2c15a8e734528af3d201e0e3..34738c56a49bfee338255c02dbf93566f5aa9c33 100644 (file)
--- a/crates/apub/src/protocol/activities/community/report.rs
+++ b/crates/apub/src/protocol/activities/community/report.rs
@@ -1,9 +1,14 @@
 use crate::{
+  activities::verify_community_matches,
   fetcher::post_or_comment::PostOrComment,
+  local_instance,
   objects::{community::ApubCommunity, person::ApubPerson},
+  protocol::InCommunity,
 };
 use activitypub_federation::{core::object_id::ObjectId, deser::helpers::deserialize_one};
 use activitystreams_kinds::activity::FlagType;
+use lemmy_utils::error::LemmyError;
+use lemmy_websocket::LemmyContext;
 use serde::{Deserialize, Serialize};
 use url::Url;
 
@@ -18,4 +23,27 @@ pub struct Report {
   #[serde(rename = "type")]
   pub(crate) kind: FlagType,
   pub(crate) id: Url,
+  pub(crate) audience: Option<ObjectId<ApubCommunity>>,
+}
+
+#[async_trait::async_trait(?Send)]
+impl InCommunity for Report {
+  async fn community(
+    &self,
+    context: &LemmyContext,
+    request_counter: &mut i32,
+  ) -> Result<ApubCommunity, LemmyError> {
+    let to_community = self.to[0]
+      .dereference(context, local_instance(context).await, request_counter)
+      .await?;
+    if let Some(audience) = &self.audience {
+      let audience = audience
+        .dereference(context, local_instance(context).await, request_counter)
+        .await?;
+      verify_community_matches(&audience, to_community.id)?;
+      Ok(audience)
+    } else {
+      Ok(to_community)
+    }
+  }
 }