Split activity table into sent and received parts (fixes #3103) (#3583)

[lemmy.git] / crates / apub / src / activities / following / undo_follow.rs

diff --git a/crates/apub/src/activities/following/undo_follow.rs b/crates/apub/src/activities/following/undo_follow.rs
index 2a3483d450c191c0f190ec125c98787c44101255..c36b36df8cb4c118464387c6690d687114d7ccdc 100644 (file)
--- a/crates/apub/src/activities/following/undo_follow.rs
+++ b/crates/apub/src/activities/following/undo_follow.rs
@@ -1,83 +1,99 @@
 use crate::{
-  activities::{generate_activity_id, send_lemmy_activity, verify_activity, verify_person},
+  activities::{generate_activity_id, send_lemmy_activity, verify_person},
+  fetcher::user_or_community::UserOrCommunity,
+  insert_received_activity,
   objects::{community::ApubCommunity, person::ApubPerson},
-  protocol::activities::following::{follow::FollowCommunity, undo_follow::UndoFollowCommunity},
+  protocol::activities::following::{follow::Follow, undo_follow::UndoFollow},
 };
-use activitystreams::activity::kind::UndoType;
-use lemmy_api_common::blocking;
-use lemmy_apub_lib::{
-  data::Data,
-  object_id::ObjectId,
-  traits::{ActivityHandler, ActorType},
-  verify::verify_urls_match,
+use activitypub_federation::{
+  config::Data,
+  kinds::activity::UndoType,
+  protocol::verification::verify_urls_match,
+  traits::{ActivityHandler, Actor},
 };
+use lemmy_api_common::context::LemmyContext;
 use lemmy_db_schema::{
-  source::community::{CommunityFollower, CommunityFollowerForm},
+  source::{
+    community::{CommunityFollower, CommunityFollowerForm},
+    person::{PersonFollower, PersonFollowerForm},
+  },
   traits::Followable,
 };
-use lemmy_utils::LemmyError;
-use lemmy_websocket::LemmyContext;
+use lemmy_utils::error::LemmyError;
+use url::Url;
 
-impl UndoFollowCommunity {
+impl UndoFollow {
+  #[tracing::instrument(skip_all)]
   pub async fn send(
     actor: &ApubPerson,
     community: &ApubCommunity,
-    context: &LemmyContext,
+    context: &Data<LemmyContext>,
   ) -> Result<(), LemmyError> {
-    let object = FollowCommunity::new(actor, community, context)?;
-    let undo = UndoFollowCommunity {
-      actor: ObjectId::new(actor.actor_id()),
+    let object = Follow::new(actor, community, context)?;
+    let undo = UndoFollow {
+      actor: actor.id().into(),
+      to: Some([community.id().into()]),
       object,
       kind: UndoType::Undo,
       id: generate_activity_id(
         UndoType::Undo,
         &context.settings().get_protocol_and_hostname(),
       )?,
-      unparsed: Default::default(),
     };
-    let inbox = vec![community.shared_inbox_or_inbox_url()];
-    send_lemmy_activity(context, &undo, &undo.id, actor, inbox, true).await
+    let inbox = vec![community.shared_inbox_or_inbox()];
+    send_lemmy_activity(context, undo, actor, inbox, true).await
   }
 }
 
-#[async_trait::async_trait(?Send)]
-impl ActivityHandler for UndoFollowCommunity {
+#[async_trait::async_trait]
+impl ActivityHandler for UndoFollow {
   type DataType = LemmyContext;
-  async fn verify(
-    &self,
-    context: &Data<LemmyContext>,
-    request_counter: &mut i32,
-  ) -> Result<(), LemmyError> {
-    verify_activity(&self.id, self.actor.inner(), &context.settings())?;
+  type Error = LemmyError;
+
+  fn id(&self) -> &Url {
+    &self.id
+  }
+
+  fn actor(&self) -> &Url {
+    self.actor.inner()
+  }
+
+  #[tracing::instrument(skip_all)]
+  async fn verify(&self, context: &Data<LemmyContext>) -> Result<(), LemmyError> {
+    insert_received_activity(&self.id, context).await?;
     verify_urls_match(self.actor.inner(), self.object.actor.inner())?;
-    verify_person(&self.actor, context, request_counter).await?;
-    self.object.verify(context, request_counter).await?;
+    verify_person(&self.actor, context).await?;
+    self.object.verify(context).await?;
+    if let Some(to) = &self.to {
+      verify_urls_match(to[0].inner(), self.object.object.inner())?;
+    }
     Ok(())
   }
 
-  async fn receive(
-    self,
-    context: &Data<LemmyContext>,
-    request_counter: &mut i32,
-  ) -> Result<(), LemmyError> {
-    let person = self.actor.dereference(context, request_counter).await?;
-    let community = self
-      .object
-      .object
-      .dereference(context, request_counter)
-      .await?;
+  #[tracing::instrument(skip_all)]
+  async fn receive(self, context: &Data<LemmyContext>) -> Result<(), LemmyError> {
+    let person = self.actor.dereference(context).await?;
+    let object = self.object.object.dereference(context).await?;
 
-    let community_follower_form = CommunityFollowerForm {
-      community_id: community.id,
-      person_id: person.id,
-      pending: false,
-    };
+    match object {
+      UserOrCommunity::User(u) => {
+        let form = PersonFollowerForm {
+          person_id: u.id,
+          follower_id: person.id,
+          pending: false,
+        };
+        PersonFollower::unfollow(&mut context.pool(), &form).await?;
+      }
+      UserOrCommunity::Community(c) => {
+        let form = CommunityFollowerForm {
+          community_id: c.id,
+          person_id: person.id,
+          pending: false,
+        };
+        CommunityFollower::unfollow(&mut context.pool(), &form).await?;
+      }
+    }
 
-    // This will fail if they aren't a follower, but ignore the error.
-    blocking(context.pool(), move |conn| {
-      CommunityFollower::unfollow(conn, &community_follower_form).ok()
-    })
-    .await?;
     Ok(())
   }
 }