cleanup and restructure apub_receive code

Cargo.lock

@@ -1876,6 +1876,7 @@ dependencies = [
  "strum_macros 0.20.1",
  "thiserror",
  "tokio 0.3.7",
+ "trait_enum",
  "url",
  "uuid",
 ]
@@ -3689,6 +3690,12 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "trait_enum"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "130dd741d3c71f76d031e58caffff3624eaaa2db9bd8c4b05406a71885300fc7"
+
 [[package]]
 name = "trust-dns-proto"
 version = "0.19.6"

crates/apub/Cargo.toml

@@ -50,3 +50,4 @@ thiserror = "1.0.23"
 background-jobs = "0.8.0"
 reqwest = { version = "0.10.10", features = ["json"] }
 backtrace = "0.3.56"
+trait_enum = "0.5.0"

crates/apub/src/activities/send/community.rs

@@ -49,7 +49,6 @@ use lemmy_utils::{location_info, settings::structs::Settings, LemmyError};
 use lemmy_websocket::LemmyContext;
 use url::Url;
 
-#[async_trait::async_trait(?Send)]
 impl ActorType for Community {
   fn is_local(&self) -> bool {
     self.local
@@ -57,6 +56,9 @@ impl ActorType for Community {
   fn actor_id(&self) -> Url {
     self.actor_id.to_owned().into_inner()
   }
+  fn name(&self) -> String {
+    self.name.clone()
+  }
   fn public_key(&self) -> Option<String> {
     self.public_key.to_owned()
   }

crates/apub/src/activities/send/person.rs

@@ -24,7 +24,6 @@ use lemmy_utils::LemmyError;
 use lemmy_websocket::LemmyContext;
 use url::Url;
 
-#[async_trait::async_trait(?Send)]
 impl ActorType for Person {
   fn is_local(&self) -> bool {
     self.local
@@ -32,6 +31,9 @@ impl ActorType for Person {
   fn actor_id(&self) -> Url {
     self.actor_id.to_owned().into_inner()
   }
+  fn name(&self) -> String {
+    self.name.clone()
+  }
 
   fn public_key(&self) -> Option<String> {
     self.public_key.to_owned()

crates/apub/src/fetcher/mod.rs

@@ -40,34 +40,40 @@ where
   false
 }
 
-/// Get a remote actor from its apub ID (either a person or a community). Thin wrapper around
-/// `get_or_fetch_and_upsert_person()` and `get_or_fetch_and_upsert_community()`.
-///
-/// If it exists locally and `!should_refetch_actor()`, it is returned directly from the database.
-/// Otherwise it is fetched from the remote instance, stored and returned.
+trait_enum! {
+pub enum Actor: ActorType {
+  Person,
+  Community,
+}
+}
+/*
+impl ActorType for Actor {
+  fn is_local(&self) -> bool {
+    self.
+    self.is_local()
+  }
+  fn actor_id(&self) -> Url {
+    self.actor_id()
+  }
+  fn name(&self) -> String {
+    self.name()
+  }
+  fn public_key(&self) -> Option<String> {
+    self.public_key()
+  }
+  fn private_key(&self) -> Option<String> {
+    self.private_key()
+  }
+  fn get_shared_inbox_or_inbox_url(&self) -> Url {
+      self.get_shared_inbox_or_inbox_url()
+  }
+}
+ */
+
 pub async fn get_or_fetch_and_upsert_actor(
   apub_id: &Url,
   context: &LemmyContext,
   recursion_counter: &mut i32,
-) -> Result<Box<dyn ActorType>, LemmyError> {
-  let community = get_or_fetch_and_upsert_community(apub_id, context, recursion_counter).await;
-  let actor: Box<dyn ActorType> = match community {
-    Ok(c) => Box::new(c),
-    Err(_) => Box::new(get_or_fetch_and_upsert_person(apub_id, context, recursion_counter).await?),
-  };
-  Ok(actor)
-}
-
-pub enum Actor {
-  Person(Person),
-  Community(Community),
-}
-
-// TODO: use this and get rid of ActorType
-pub async fn get_or_fetch_and_upsert_actor2(
-  apub_id: &Url,
-  context: &LemmyContext,
-  recursion_counter: &mut i32,
 ) -> Result<Actor, LemmyError> {
   let community = get_or_fetch_and_upsert_community(apub_id, context, recursion_counter).await;
   let actor: Actor = match community {

crates/apub/src/lib.rs

@@ -1,5 +1,7 @@
 #[macro_use]
 extern crate lazy_static;
+#[macro_use]
+extern crate trait_enum;
 
 pub mod activities;
 pub mod activity_queue;
@@ -171,10 +173,10 @@ pub trait ApubLikeableType {
 
 /// Common methods provided by ActivityPub actors (community and person). Not all methods are
 /// implemented by all actors.
-#[async_trait::async_trait(?Send)]
 pub trait ActorType {
   fn is_local(&self) -> bool;
   fn actor_id(&self) -> Url;
+  fn name(&self) -> String;
 
   // TODO: every actor should have a public key, so this shouldnt be an option (needs to be fixed in db)
   fn public_key(&self) -> Option<String>;

crates/apub_receive/src/activities/comment/create.rs

@@ -1,6 +1,6 @@
-use crate::{
-  activities::comment::{get_notif_recipients, send_websocket_message},
-  inbox::new_inbox_routing::Activity,
+use crate::activities::{
+  comment::{get_notif_recipients, send_websocket_message},
+  LemmyActivity,
 };
 use activitystreams::{activity::kind::CreateType, base::BaseExt};
 use lemmy_apub::{check_is_apub_id_valid, objects::FromApub, ActorType, NoteExt};
@@ -21,7 +21,7 @@ pub struct CreateComment {
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<CreateComment> {
+impl ActivityHandler for LemmyActivity<CreateComment> {
   type Actor = Person;
 
   async fn verify(&self, _context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/comment/delete.rs

@@ -1,4 +1,4 @@
-use crate::{activities::comment::send_websocket_message, inbox::new_inbox_routing::Activity};
+use crate::activities::{comment::send_websocket_message, LemmyActivity};
 use activitystreams::activity::kind::DeleteType;
 use lemmy_api_common::blocking;
 use lemmy_apub::{check_is_apub_id_valid, fetcher::objects::get_or_fetch_and_insert_comment};
@@ -20,7 +20,7 @@ pub struct DeleteComment {
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<DeleteComment> {
+impl ActivityHandler for LemmyActivity<DeleteComment> {
   type Actor = Person;
 
   async fn verify(&self, _context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/comment/dislike.rs

@@ -1,4 +1,4 @@
-use crate::{activities::comment::like_or_dislike_comment, inbox::new_inbox_routing::Activity};
+use crate::activities::{comment::like_or_dislike_comment, LemmyActivity};
 use activitystreams::activity::kind::DislikeType;
 use lemmy_apub::check_is_apub_id_valid;
 use lemmy_apub_lib::{verify_domains_match, ActivityHandler, PublicUrl};
@@ -18,7 +18,7 @@ pub struct DislikeComment {
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<DislikeComment> {
+impl ActivityHandler for LemmyActivity<DislikeComment> {
   type Actor = Person;
 
   async fn verify(&self, _context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/comment/like.rs

@@ -1,4 +1,4 @@
-use crate::{activities::comment::like_or_dislike_comment, inbox::new_inbox_routing::Activity};
+use crate::activities::{comment::like_or_dislike_comment, LemmyActivity};
 use activitystreams::activity::kind::LikeType;
 use lemmy_apub::check_is_apub_id_valid;
 use lemmy_apub_lib::{verify_domains_match, ActivityHandler, PublicUrl};
@@ -18,7 +18,7 @@ pub struct LikeComment {
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<LikeComment> {
+impl ActivityHandler for LemmyActivity<LikeComment> {
   type Actor = Person;
 
   async fn verify(&self, _context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/comment/remove.rs

@@ -1,7 +1,4 @@
-use crate::{
-  activities::{comment::send_websocket_message, verify_mod_action},
-  inbox::new_inbox_routing::Activity,
-};
+use crate::activities::{comment::send_websocket_message, verify_mod_action, LemmyActivity};
 use activitystreams::activity::kind::RemoveType;
 use lemmy_api_common::blocking;
 use lemmy_apub::{check_is_apub_id_valid, fetcher::objects::get_or_fetch_and_insert_comment};
@@ -23,7 +20,7 @@ pub struct RemoveComment {
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<RemoveComment> {
+impl ActivityHandler for LemmyActivity<RemoveComment> {
   type Actor = Person;
 
   async fn verify(&self, context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/comment/undo_delete.rs

@@ -1,6 +1,6 @@
-use crate::{
-  activities::comment::{delete::DeleteComment, send_websocket_message},
-  inbox::new_inbox_routing::Activity,
+use crate::activities::{
+  comment::{delete::DeleteComment, send_websocket_message},
+  LemmyActivity,
 };
 use activitystreams::activity::kind::UndoType;
 use lemmy_api_common::blocking;
@@ -16,14 +16,14 @@ use url::Url;
 #[serde(rename_all = "camelCase")]
 pub struct UndoDeleteComment {
   to: PublicUrl,
-  object: Activity<DeleteComment>,
+  object: LemmyActivity<DeleteComment>,
   cc: [Url; 1],
   #[serde(rename = "type")]
   kind: UndoType,
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<UndoDeleteComment> {
+impl ActivityHandler for LemmyActivity<UndoDeleteComment> {
   type Actor = Person;
 
   async fn verify(&self, context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/comment/undo_dislike.rs

@@ -1,6 +1,6 @@
-use crate::{
-  activities::comment::{dislike::DislikeComment, undo_like_or_dislike_comment},
-  inbox::new_inbox_routing::Activity,
+use crate::activities::{
+  comment::{dislike::DislikeComment, undo_like_or_dislike_comment},
+  LemmyActivity,
 };
 use activitystreams::activity::kind::UndoType;
 use lemmy_apub::check_is_apub_id_valid;
@@ -14,14 +14,14 @@ use url::Url;
 #[serde(rename_all = "camelCase")]
 pub struct UndoDislikeComment {
   to: PublicUrl,
-  object: Activity<DislikeComment>,
+  object: LemmyActivity<DislikeComment>,
   cc: [Url; 1],
   #[serde(rename = "type")]
   kind: UndoType,
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<UndoDislikeComment> {
+impl ActivityHandler for LemmyActivity<UndoDislikeComment> {
   type Actor = Person;
 
   async fn verify(&self, context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/comment/undo_like.rs

@@ -1,6 +1,6 @@
-use crate::{
-  activities::comment::{like::LikeComment, undo_like_or_dislike_comment},
-  inbox::new_inbox_routing::Activity,
+use crate::activities::{
+  comment::{like::LikeComment, undo_like_or_dislike_comment},
+  LemmyActivity,
 };
 use activitystreams::activity::kind::UndoType;
 use lemmy_apub::check_is_apub_id_valid;
@@ -14,14 +14,14 @@ use url::Url;
 #[serde(rename_all = "camelCase")]
 pub struct UndoLikeComment {
   to: PublicUrl,
-  object: Activity<LikeComment>,
+  object: LemmyActivity<LikeComment>,
   cc: [Url; 1],
   #[serde(rename = "type")]
   kind: UndoType,
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<UndoLikeComment> {
+impl ActivityHandler for LemmyActivity<UndoLikeComment> {
   type Actor = Person;
 
   async fn verify(&self, context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/comment/undo_remove.rs

@@ -1,9 +1,7 @@
-use crate::{
-  activities::{
-    comment::{remove::RemoveComment, send_websocket_message},
-    verify_mod_action,
-  },
-  inbox::new_inbox_routing::Activity,
+use crate::activities::{
+  comment::{remove::RemoveComment, send_websocket_message},
+  verify_mod_action,
+  LemmyActivity,
 };
 use activitystreams::activity::kind::UndoType;
 use lemmy_api_common::blocking;
@@ -19,14 +17,14 @@ use url::Url;
 #[serde(rename_all = "camelCase")]
 pub struct UndoRemoveComment {
   to: PublicUrl,
-  object: Activity<RemoveComment>,
+  object: LemmyActivity<RemoveComment>,
   cc: [Url; 1],
   #[serde(rename = "type")]
   kind: UndoType,
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<UndoRemoveComment> {
+impl ActivityHandler for LemmyActivity<UndoRemoveComment> {
   type Actor = Person;
 
   async fn verify(&self, context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/comment/update.rs

@@ -1,6 +1,6 @@
-use crate::{
-  activities::comment::{get_notif_recipients, send_websocket_message},
-  inbox::new_inbox_routing::Activity,
+use crate::activities::{
+  comment::{get_notif_recipients, send_websocket_message},
+  LemmyActivity,
 };
 use activitystreams::{activity::kind::UpdateType, base::BaseExt};
 use lemmy_apub::{check_is_apub_id_valid, objects::FromApub, ActorType, NoteExt};
@@ -21,7 +21,7 @@ pub struct UpdateComment {
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<UpdateComment> {
+impl ActivityHandler for LemmyActivity<UpdateComment> {
   type Actor = Person;
 
   async fn verify(&self, _context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/community/add_mod.rs

@@ -1,6 +1,7 @@
-use crate::{
-  activities::{community::verify_add_remove_moderator_target, verify_mod_action},
-  inbox::new_inbox_routing::Activity,
+use crate::activities::{
+  community::verify_add_remove_moderator_target,
+  verify_mod_action,
+  LemmyActivity,
 };
 use activitystreams::{activity::kind::AddType, base::AnyBase};
 use lemmy_api_common::blocking;
@@ -31,7 +32,7 @@ pub struct AddMod {
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<AddMod> {
+impl ActivityHandler for LemmyActivity<AddMod> {
   type Actor = Person;
 
   async fn verify(&self, context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/community/announce.rs

@@ -12,15 +12,7 @@ use crate::{
       undo_remove::UndoRemoveComment,
       update::UpdateComment,
     },
-    community::{
-      block_user::BlockUserFromCommunity,
-      delete::DeleteCommunity,
-      remove::RemoveCommunity,
-      undo_block_user::UndoBlockUserFromCommunity,
-      undo_delete::UndoDeleteCommunity,
-      undo_remove::UndoRemoveCommunity,
-      update::UpdateCommunity,
-    },
+    community::{block_user::BlockUserFromCommunity, undo_block_user::UndoBlockUserFromCommunity},
     post::{
       create::CreatePost,
       delete::DeletePost,
@@ -33,8 +25,9 @@ use crate::{
       undo_remove::UndoRemovePost,
       update::UpdatePost,
     },
+    LemmyActivity,
   },
-  inbox::{is_activity_already_known, new_inbox_routing::Activity},
+  http::is_activity_already_known,
 };
 use activitystreams::activity::kind::RemoveType;
 use lemmy_apub::{check_is_apub_id_valid, fetcher::person::get_or_fetch_and_upsert_person};
@@ -66,12 +59,6 @@ pub enum AnnouncableActivities {
   UndoRemovePost(UndoRemovePost),
   UndoLikePost(UndoLikePost),
   UndoDislikePost(UndoDislikePost),
-  // TODO: which of these get announced?
-  UpdateCommunity(UpdateCommunity),
-  DeleteCommunity(DeleteCommunity),
-  RemoveCommunity(RemoveCommunity),
-  UndoDeleteCommunity(UndoDeleteCommunity),
-  UndoRemoveCommunity(UndoRemoveCommunity),
   BlockUserFromCommunity(BlockUserFromCommunity),
   UndoBlockUserFromCommunity(UndoBlockUserFromCommunity),
 }
@@ -98,14 +85,14 @@ impl ActivityHandler for AnnouncableActivities {
 #[serde(rename_all = "camelCase")]
 pub struct AnnounceActivity {
   to: PublicUrl,
-  object: Activity<AnnouncableActivities>,
+  object: LemmyActivity<AnnouncableActivities>,
   cc: [Url; 1],
   #[serde(rename = "type")]
   kind: RemoveType,
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<AnnounceActivity> {
+impl ActivityHandler for LemmyActivity<AnnounceActivity> {
   type Actor = Community;
 
   async fn verify(&self, context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/community/block_user.rs

@@ -1,4 +1,4 @@
-use crate::{activities::verify_mod_action, inbox::new_inbox_routing::Activity};
+use crate::activities::{verify_mod_action, LemmyActivity};
 use activitystreams::activity::kind::BlockType;
 use lemmy_api_common::blocking;
 use lemmy_apub::{
@@ -31,7 +31,7 @@ pub struct BlockUserFromCommunity {
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<BlockUserFromCommunity> {
+impl ActivityHandler for LemmyActivity<BlockUserFromCommunity> {
   type Actor = Person;
 
   async fn verify(&self, context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/community/delete.rs

@@ -1,6 +1,6 @@
-use crate::{
-  activities::community::{send_websocket_message, verify_is_community_mod},
-  inbox::new_inbox_routing::Activity,
+use crate::activities::{
+  community::{send_websocket_message, verify_is_community_mod},
+  LemmyActivity,
 };
 use activitystreams::activity::kind::DeleteType;
 use lemmy_api_common::blocking;
@@ -31,7 +31,7 @@ pub struct DeleteCommunity {
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<DeleteCommunity> {
+impl ActivityHandler for LemmyActivity<DeleteCommunity> {
   type Actor = lemmy_apub::fetcher::Actor;
 
   async fn verify(&self, context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/community/remove.rs

@@ -1,4 +1,4 @@
-use crate::{activities::community::send_websocket_message, inbox::new_inbox_routing::Activity};
+use crate::activities::{community::send_websocket_message, LemmyActivity};
 use activitystreams::activity::kind::RemoveType;
 use lemmy_api_common::blocking;
 use lemmy_apub::check_is_apub_id_valid;
@@ -20,7 +20,7 @@ pub struct RemoveCommunity {
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<RemoveCommunity> {
+impl ActivityHandler for LemmyActivity<RemoveCommunity> {
   type Actor = lemmy_apub::fetcher::Actor;
 
   async fn verify(&self, _context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/community/remove_mod.rs

@@ -1,6 +1,7 @@
-use crate::{
-  activities::{community::verify_add_remove_moderator_target, verify_mod_action},
-  inbox::new_inbox_routing::Activity,
+use crate::activities::{
+  community::verify_add_remove_moderator_target,
+  verify_mod_action,
+  LemmyActivity,
 };
 use activitystreams::{activity::kind::RemoveType, base::AnyBase};
 use lemmy_api_common::blocking;
@@ -31,7 +32,7 @@ pub struct RemoveMod {
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<RemoveMod> {
+impl ActivityHandler for LemmyActivity<RemoveMod> {
   type Actor = Person;
 
   async fn verify(&self, context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/community/undo_block_user.rs

@@ -1,6 +1,7 @@
-use crate::{
-  activities::{community::block_user::BlockUserFromCommunity, verify_mod_action},
-  inbox::new_inbox_routing::Activity,
+use crate::activities::{
+  community::block_user::BlockUserFromCommunity,
+  verify_mod_action,
+  LemmyActivity,
 };
 use activitystreams::activity::kind::BlockType;
 use lemmy_api_common::blocking;
@@ -22,14 +23,14 @@ use url::Url;
 #[serde(rename_all = "camelCase")]
 pub struct UndoBlockUserFromCommunity {
   to: PublicUrl,
-  object: Activity<BlockUserFromCommunity>,
+  object: LemmyActivity<BlockUserFromCommunity>,
   cc: [Url; 1],
   #[serde(rename = "type")]
   kind: BlockType,
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<UndoBlockUserFromCommunity> {
+impl ActivityHandler for LemmyActivity<UndoBlockUserFromCommunity> {
   type Actor = Person;
 
   async fn verify(&self, context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/community/undo_delete.rs

@@ -1,10 +1,6 @@
-use crate::{
-  activities::community::{
-    delete::DeleteCommunity,
-    send_websocket_message,
-    verify_is_community_mod,
-  },
-  inbox::new_inbox_routing::Activity,
+use crate::activities::{
+  community::{delete::DeleteCommunity, send_websocket_message, verify_is_community_mod},
+  LemmyActivity,
 };
 use activitystreams::activity::kind::DeleteType;
 use lemmy_api_common::blocking;
@@ -28,14 +24,14 @@ use url::Url;
 #[serde(rename_all = "camelCase")]
 pub struct UndoDeleteCommunity {
   to: PublicUrl,
-  object: Activity<DeleteCommunity>,
+  object: LemmyActivity<DeleteCommunity>,
   cc: [Url; 1],
   #[serde(rename = "type")]
   kind: DeleteType,
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<UndoDeleteCommunity> {
+impl ActivityHandler for LemmyActivity<UndoDeleteCommunity> {
   type Actor = lemmy_apub::fetcher::Actor;
 
   async fn verify(&self, context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/community/undo_remove.rs

@@ -1,6 +1,6 @@
-use crate::{
-  activities::community::{remove::RemoveCommunity, send_websocket_message},
-  inbox::new_inbox_routing::Activity,
+use crate::activities::{
+  community::{remove::RemoveCommunity, send_websocket_message},
+  LemmyActivity,
 };
 use activitystreams::activity::kind::RemoveType;
 use lemmy_api_common::blocking;
@@ -16,14 +16,14 @@ use url::Url;
 #[serde(rename_all = "camelCase")]
 pub struct UndoRemoveCommunity {
   to: PublicUrl,
-  object: Activity<RemoveCommunity>,
+  object: LemmyActivity<RemoveCommunity>,
   cc: [Url; 1],
   #[serde(rename = "type")]
   kind: RemoveType,
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<UndoRemoveCommunity> {
+impl ActivityHandler for LemmyActivity<UndoRemoveCommunity> {
   type Actor = lemmy_apub::fetcher::Actor;
 
   async fn verify(&self, context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/community/update.rs

@@ -1,6 +1,6 @@
-use crate::{
-  activities::community::{send_websocket_message, verify_is_community_mod},
-  inbox::new_inbox_routing::Activity,
+use crate::activities::{
+  community::{send_websocket_message, verify_is_community_mod},
+  LemmyActivity,
 };
 use activitystreams::{activity::kind::UpdateType, base::BaseExt};
 use lemmy_api_common::blocking;
@@ -28,7 +28,7 @@ pub struct UpdateCommunity {
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<UpdateCommunity> {
+impl ActivityHandler for LemmyActivity<UpdateCommunity> {
   type Actor = Person;
 
   async fn verify(&self, context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/following/accept.rs

@@ -1,4 +1,4 @@
-use crate::{activities::follow::follow::FollowCommunity, inbox::new_inbox_routing::Activity};
+use crate::activities::{following::follow::FollowCommunity, LemmyActivity};
 use activitystreams::activity::kind::AcceptType;
 use lemmy_api_common::blocking;
 use lemmy_apub::{check_is_apub_id_valid, fetcher::person::get_or_fetch_and_upsert_person};
@@ -13,14 +13,14 @@ use url::Url;
 #[serde(rename_all = "camelCase")]
 pub struct AcceptFollowCommunity {
   to: Url,
-  object: Activity<FollowCommunity>,
+  object: LemmyActivity<FollowCommunity>,
   #[serde(rename = "type")]
   kind: AcceptType,
 }
 
 /// Handle accepted follows
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<AcceptFollowCommunity> {
+impl ActivityHandler for LemmyActivity<AcceptFollowCommunity> {
   type Actor = Community;
 
   async fn verify(&self, context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/following/follow.rs

@@ -1,4 +1,4 @@
-use crate::inbox::new_inbox_routing::Activity;
+use crate::activities::LemmyActivity;
 use activitystreams::{
   activity::{kind::FollowType, Follow},
   base::{AnyBase, ExtendsExt},
@@ -24,13 +24,13 @@ use url::Url;
 #[serde(rename_all = "camelCase")]
 pub struct FollowCommunity {
   to: Url,
-  pub(in crate::activities::follow) object: Url,
+  pub(in crate::activities::following) object: Url,
   #[serde(rename = "type")]
   kind: FollowType,
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<FollowCommunity> {
+impl ActivityHandler for LemmyActivity<FollowCommunity> {
   type Actor = Person;
 
   async fn verify(&self, _context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/following/undo.rs

@@ -1,4 +1,4 @@
-use crate::{activities::follow::follow::FollowCommunity, inbox::new_inbox_routing::Activity};
+use crate::activities::{following::follow::FollowCommunity, LemmyActivity};
 use activitystreams::activity::kind::UndoType;
 use lemmy_api_common::blocking;
 use lemmy_apub::{check_is_apub_id_valid, fetcher::community::get_or_fetch_and_upsert_community};
@@ -16,13 +16,13 @@ use url::Url;
 #[serde(rename_all = "camelCase")]
 pub struct UndoFollowCommunity {
   to: Url,
-  object: Activity<FollowCommunity>,
+  object: LemmyActivity<FollowCommunity>,
   #[serde(rename = "type")]
   kind: UndoType,
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<UndoFollowCommunity> {
+impl ActivityHandler for LemmyActivity<UndoFollowCommunity> {
   type Actor = Person;
 
   async fn verify(&self, context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/mod.rs

@@ -1,3 +1,4 @@
+use activitystreams::{base::AnyBase, primitives::OneOrMany, unparsed::Unparsed};
 use anyhow::anyhow;
 use lemmy_api_common::blocking;
 use lemmy_db_queries::ApubObject;
@@ -9,10 +10,33 @@ use url::Url;
 
 pub mod comment;
 pub mod community;
-pub mod follow;
+pub mod following;
 pub mod post;
 pub mod private_message;
 
+#[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct LemmyActivity<Kind> {
+  #[serde(rename = "@context")]
+  context: OneOrMany<AnyBase>,
+  id: Url,
+  pub(crate) actor: Url,
+
+  /// type-specific fields
+  #[serde(flatten)]
+  pub inner: Kind,
+
+  // unparsed fields
+  #[serde(flatten)]
+  unparsed: Unparsed,
+}
+
+impl<Kind> LemmyActivity<Kind> {
+  pub fn id_unchecked(&self) -> &Url {
+    &self.id
+  }
+}
+
 async fn verify_mod_action(
   actor_id: Url,
   activity_cc: Url,
@@ -25,7 +49,7 @@ async fn verify_mod_action(
 
   if community.local {
     let actor = blocking(&context.pool(), move |conn| {
-      Person::read_from_apub_id(&conn, &actor_id.clone().into())
+      Person::read_from_apub_id(&conn, &actor_id.into())
     })
     .await??;
 

crates/apub_receive/src/activities/post/create.rs

@@ -1,4 +1,4 @@
-use crate::{activities::post::send_websocket_message, inbox::new_inbox_routing::Activity};
+use crate::activities::{post::send_websocket_message, LemmyActivity};
 use activitystreams::{activity::kind::CreateType, base::BaseExt};
 use lemmy_apub::{check_is_apub_id_valid, objects::FromApub, ActorType, PageExt};
 use lemmy_apub_lib::{verify_domains_match, ActivityHandler, PublicUrl};
@@ -18,7 +18,7 @@ pub struct CreatePost {
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<CreatePost> {
+impl ActivityHandler for LemmyActivity<CreatePost> {
   type Actor = Person;
 
   async fn verify(&self, _context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/post/delete.rs

@@ -1,4 +1,4 @@
-use crate::{activities::post::send_websocket_message, inbox::new_inbox_routing::Activity};
+use crate::activities::{post::send_websocket_message, LemmyActivity};
 use activitystreams::activity::kind::DeleteType;
 use lemmy_api_common::blocking;
 use lemmy_apub::{check_is_apub_id_valid, fetcher::objects::get_or_fetch_and_insert_post};
@@ -20,7 +20,7 @@ pub struct DeletePost {
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<DeletePost> {
+impl ActivityHandler for LemmyActivity<DeletePost> {
   type Actor = Person;
 
   async fn verify(&self, _context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/post/dislike.rs

@@ -1,4 +1,4 @@
-use crate::{activities::post::like_or_dislike_post, inbox::new_inbox_routing::Activity};
+use crate::activities::{post::like_or_dislike_post, LemmyActivity};
 use activitystreams::activity::kind::DislikeType;
 use lemmy_apub::check_is_apub_id_valid;
 use lemmy_apub_lib::{verify_domains_match, ActivityHandler, PublicUrl};
@@ -18,7 +18,7 @@ pub struct DislikePost {
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<DislikePost> {
+impl ActivityHandler for LemmyActivity<DislikePost> {
   type Actor = Person;
 
   async fn verify(&self, _context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/post/like.rs

@@ -1,4 +1,4 @@
-use crate::{activities::post::like_or_dislike_post, inbox::new_inbox_routing::Activity};
+use crate::activities::{post::like_or_dislike_post, LemmyActivity};
 use activitystreams::activity::kind::LikeType;
 use lemmy_apub::check_is_apub_id_valid;
 use lemmy_apub_lib::{verify_domains_match, ActivityHandler, PublicUrl};
@@ -18,7 +18,7 @@ pub struct LikePost {
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<LikePost> {
+impl ActivityHandler for LemmyActivity<LikePost> {
   type Actor = Person;
 
   async fn verify(&self, _context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/post/remove.rs

@@ -1,7 +1,4 @@
-use crate::{
-  activities::{post::send_websocket_message, verify_mod_action},
-  inbox::new_inbox_routing::Activity,
-};
+use crate::activities::{post::send_websocket_message, verify_mod_action, LemmyActivity};
 use activitystreams::activity::kind::RemoveType;
 use lemmy_api_common::blocking;
 use lemmy_apub::{check_is_apub_id_valid, fetcher::objects::get_or_fetch_and_insert_post};
@@ -23,7 +20,7 @@ pub struct RemovePost {
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<RemovePost> {
+impl ActivityHandler for LemmyActivity<RemovePost> {
   type Actor = Person;
 
   async fn verify(&self, context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/post/undo_delete.rs

@@ -1,6 +1,6 @@
-use crate::{
-  activities::post::{delete::DeletePost, send_websocket_message},
-  inbox::new_inbox_routing::Activity,
+use crate::activities::{
+  post::{delete::DeletePost, send_websocket_message},
+  LemmyActivity,
 };
 use activitystreams::activity::kind::UndoType;
 use lemmy_api_common::blocking;
@@ -16,14 +16,14 @@ use url::Url;
 #[serde(rename_all = "camelCase")]
 pub struct UndoDeletePost {
   to: PublicUrl,
-  object: Activity<DeletePost>,
+  object: LemmyActivity<DeletePost>,
   cc: [Url; 1],
   #[serde(rename = "type")]
   kind: UndoType,
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<UndoDeletePost> {
+impl ActivityHandler for LemmyActivity<UndoDeletePost> {
   type Actor = Person;
 
   async fn verify(&self, context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/post/undo_dislike.rs

@@ -1,6 +1,6 @@
-use crate::{
-  activities::post::{dislike::DislikePost, undo_like_or_dislike_post},
-  inbox::new_inbox_routing::Activity,
+use crate::activities::{
+  post::{dislike::DislikePost, undo_like_or_dislike_post},
+  LemmyActivity,
 };
 use activitystreams::activity::kind::UndoType;
 use lemmy_apub::check_is_apub_id_valid;
@@ -14,14 +14,14 @@ use url::Url;
 #[serde(rename_all = "camelCase")]
 pub struct UndoDislikePost {
   to: PublicUrl,
-  object: Activity<DislikePost>,
+  object: LemmyActivity<DislikePost>,
   cc: [Url; 1],
   #[serde(rename = "type")]
   kind: UndoType,
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<UndoDislikePost> {
+impl ActivityHandler for LemmyActivity<UndoDislikePost> {
   type Actor = Person;
 
   async fn verify(&self, context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/post/undo_like.rs

@@ -1,6 +1,6 @@
-use crate::{
-  activities::post::{like::LikePost, undo_like_or_dislike_post},
-  inbox::new_inbox_routing::Activity,
+use crate::activities::{
+  post::{like::LikePost, undo_like_or_dislike_post},
+  LemmyActivity,
 };
 use activitystreams::activity::kind::UndoType;
 use lemmy_apub::check_is_apub_id_valid;
@@ -14,13 +14,13 @@ use url::Url;
 #[serde(rename_all = "camelCase")]
 pub struct UndoLikePost {
   to: PublicUrl,
-  object: Activity<LikePost>,
+  object: LemmyActivity<LikePost>,
   cc: [Url; 1],
   #[serde(rename = "type")]
   kind: UndoType,
 }
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<UndoLikePost> {
+impl ActivityHandler for LemmyActivity<UndoLikePost> {
   type Actor = Person;
 
   async fn verify(&self, context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/post/undo_remove.rs

@@ -1,9 +1,7 @@
-use crate::{
-  activities::{
-    post::{remove::RemovePost, send_websocket_message},
-    verify_mod_action,
-  },
-  inbox::new_inbox_routing::Activity,
+use crate::activities::{
+  post::{remove::RemovePost, send_websocket_message},
+  verify_mod_action,
+  LemmyActivity,
 };
 use activitystreams::activity::kind::UndoType;
 use lemmy_api_common::blocking;
@@ -19,14 +17,14 @@ use url::Url;
 #[serde(rename_all = "camelCase")]
 pub struct UndoRemovePost {
   to: PublicUrl,
-  object: Activity<RemovePost>,
+  object: LemmyActivity<RemovePost>,
   cc: [Url; 1],
   #[serde(rename = "type")]
   kind: UndoType,
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<UndoRemovePost> {
+impl ActivityHandler for LemmyActivity<UndoRemovePost> {
   type Actor = Person;
 
   async fn verify(&self, context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/post/update.rs

@@ -1,4 +1,4 @@
-use crate::{activities::post::send_websocket_message, inbox::new_inbox_routing::Activity};
+use crate::activities::{post::send_websocket_message, LemmyActivity};
 use activitystreams::{activity::kind::UpdateType, base::BaseExt};
 use anyhow::Context;
 use lemmy_api_common::blocking;
@@ -33,7 +33,7 @@ pub struct UpdatePost {
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<UpdatePost> {
+impl ActivityHandler for LemmyActivity<UpdatePost> {
   type Actor = Person;
 
   async fn verify(&self, _context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/private_message/create.rs

@@ -1,7 +1,4 @@
-use crate::{
-  activities::private_message::send_websocket_message,
-  inbox::new_inbox_routing::Activity,
-};
+use crate::activities::{private_message::send_websocket_message, LemmyActivity};
 use activitystreams::{activity::kind::CreateType, base::BaseExt};
 use lemmy_apub::{check_is_apub_id_valid, objects::FromApub, ActorType, NoteExt};
 use lemmy_apub_lib::{verify_domains_match, ActivityHandler};
@@ -20,7 +17,7 @@ pub struct CreatePrivateMessage {
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<CreatePrivateMessage> {
+impl ActivityHandler for LemmyActivity<CreatePrivateMessage> {
   type Actor = Person;
 
   async fn verify(&self, _context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/private_message/delete.rs

@@ -1,7 +1,4 @@
-use crate::{
-  activities::private_message::send_websocket_message,
-  inbox::new_inbox_routing::Activity,
-};
+use crate::activities::{private_message::send_websocket_message, LemmyActivity};
 use activitystreams::activity::kind::DeleteType;
 use lemmy_api_common::blocking;
 use lemmy_apub::check_is_apub_id_valid;
@@ -22,7 +19,7 @@ pub struct DeletePrivateMessage {
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<DeletePrivateMessage> {
+impl ActivityHandler for LemmyActivity<DeletePrivateMessage> {
   type Actor = Person;
 
   async fn verify(&self, _context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/private_message/undo_delete.rs

@@ -1,6 +1,6 @@
-use crate::{
-  activities::private_message::{delete::DeletePrivateMessage, send_websocket_message},
-  inbox::new_inbox_routing::Activity,
+use crate::activities::{
+  private_message::{delete::DeletePrivateMessage, send_websocket_message},
+  LemmyActivity,
 };
 use activitystreams::activity::kind::UndoType;
 use lemmy_api_common::blocking;
@@ -16,13 +16,13 @@ use url::Url;
 #[serde(rename_all = "camelCase")]
 pub struct UndoDeletePrivateMessage {
   to: Url,
-  object: Activity<DeletePrivateMessage>,
+  object: LemmyActivity<DeletePrivateMessage>,
   #[serde(rename = "type")]
   kind: UndoType,
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<UndoDeletePrivateMessage> {
+impl ActivityHandler for LemmyActivity<UndoDeletePrivateMessage> {
   type Actor = Person;
 
   async fn verify(&self, context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/activities/private_message/update.rs

@@ -1,7 +1,4 @@
-use crate::{
-  activities::private_message::send_websocket_message,
-  inbox::new_inbox_routing::Activity,
-};
+use crate::activities::{private_message::send_websocket_message, LemmyActivity};
 use activitystreams::{activity::kind::UpdateType, base::BaseExt};
 use lemmy_apub::{check_is_apub_id_valid, objects::FromApub, ActorType, NoteExt};
 use lemmy_apub_lib::{verify_domains_match, ActivityHandler};
@@ -20,7 +17,7 @@ pub struct UpdatePrivateMessage {
 }
 
 #[async_trait::async_trait(?Send)]
-impl ActivityHandler for Activity<UpdatePrivateMessage> {
+impl ActivityHandler for LemmyActivity<UpdatePrivateMessage> {
   type Actor = Person;
 
   async fn verify(&self, _context: &LemmyContext) -> Result<(), LemmyError> {

crates/apub_receive/src/http/community.rs

@@ -1,10 +1,18 @@
-use crate::http::{create_apub_response, create_apub_tombstone_response};
+use crate::{
+  activities::LemmyActivity,
+  http::{
+    create_apub_response,
+    create_apub_tombstone_response,
+    inbox_enums::GroupInboxActivities,
+    receive_activity,
+  },
+};
 use activitystreams::{
   base::{AnyBase, BaseExt},
   collection::{CollectionExt, OrderedCollection, UnorderedCollection},
   url::Url,
 };
-use actix_web::{body::Body, web, HttpResponse};
+use actix_web::{body::Body, web, HttpRequest, HttpResponse};
 use lemmy_api_common::blocking;
 use lemmy_apub::{
   extensions::context::lemmy_context,
@@ -46,6 +54,16 @@ pub(crate) async fn get_apub_community_http(
   }
 }
 
+/// Handler for all incoming receive to community inboxes.
+pub async fn community_inbox(
+  request: HttpRequest,
+  input: web::Json<LemmyActivity<GroupInboxActivities>>,
+  path: web::Path<String>,
+  context: web::Data<LemmyContext>,
+) -> Result<HttpResponse, LemmyError> {
+  receive_activity(request, input.into_inner(), Some(path.0), context).await
+}
+
 /// Returns an empty followers collection, only populating the size (for privacy).
 pub(crate) async fn get_apub_community_followers(
   info: web::Path<CommunityQuery>,

crates/apub_receive/src/http/inbox_enums.rs

@@ -23,7 +23,7 @@ use crate::activities::{
     undo_remove::UndoRemoveCommunity,
     update::UpdateCommunity,
   },
-  follow::{accept::AcceptFollowCommunity, follow::FollowCommunity, undo::UndoFollowCommunity},
+  following::{accept::AcceptFollowCommunity, follow::FollowCommunity, undo::UndoFollowCommunity},
   post::{
     create::CreatePost,
     delete::DeletePost,
@@ -43,46 +43,25 @@ use crate::activities::{
     update::UpdatePrivateMessage,
   },
 };
-use activitystreams::{base::AnyBase, primitives::OneOrMany, unparsed::Unparsed};
 use lemmy_apub_lib::ActivityHandler;
 use lemmy_utils::LemmyError;
 use lemmy_websocket::LemmyContext;
-use url::Url;
+use serde::{Deserialize, Serialize};
 
-// TODO: would be nice if we could move this to lemmy_apub_lib crate. doing that gives error:
-//       "only traits defined in the current crate can be implemented for arbitrary types"
-#[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
-#[serde(rename_all = "camelCase")]
-pub struct Activity<Kind> {
-  #[serde(rename = "@context")]
-  context: OneOrMany<AnyBase>,
-  id: Url,
-  pub(crate) actor: Url,
-
-  /// type-specific fields
-  #[serde(flatten)]
-  pub inner: Kind,
-
-  // unparsed fields
-  #[serde(flatten)]
-  unparsed: Unparsed,
-}
-
-impl<Kind> Activity<Kind> {
-  pub fn id_unchecked(&self) -> &Url {
-    &self.id
-  }
-}
-
-#[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
-pub enum SharedInboxActivities {
-  FollowCommunity(FollowCommunity),
+#[derive(Clone, Debug, Deserialize, Serialize)]
+pub enum PersonInboxActivities {
   AcceptFollowCommunity(AcceptFollowCommunity),
-  UndoFollowCommunity(UndoFollowCommunity),
   CreatePrivateMessage(CreatePrivateMessage),
   UpdatePrivateMessage(UpdatePrivateMessage),
   DeletePrivateMessage(DeletePrivateMessage),
   UndoDeletePrivateMessage(UndoDeletePrivateMessage),
+  AnnounceActivity(Box<AnnounceActivity>),
+}
+
+#[derive(Clone, Debug, Deserialize, Serialize)]
+pub enum GroupInboxActivities {
+  FollowCommunity(FollowCommunity),
+  UndoFollowCommunity(UndoFollowCommunity),
   CreateComment(CreateComment),
   UpdateComment(UpdateComment),
   LikeComment(LikeComment),
@@ -103,16 +82,58 @@ pub enum SharedInboxActivities {
   UndoRemovePost(UndoRemovePost),
   UndoLikePost(UndoLikePost),
   UndoDislikePost(UndoDislikePost),
-  AnnounceActivity(AnnounceActivity),
-  UpdateCommunity(UpdateCommunity),
+  UpdateCommunity(Box<UpdateCommunity>),
   DeleteCommunity(DeleteCommunity),
   RemoveCommunity(RemoveCommunity),
-  AddMod(AddMod),
-  RemoveMod(RemoveMod),
   UndoDeleteCommunity(UndoDeleteCommunity),
   UndoRemoveCommunity(UndoRemoveCommunity),
   BlockUserFromCommunity(BlockUserFromCommunity),
   UndoBlockUserFromCommunity(UndoBlockUserFromCommunity),
+  AddMod(AddMod),
+  RemoveMod(RemoveMod),
+}
+
+#[derive(Clone, Debug, Deserialize, Serialize)]
+pub enum SharedInboxActivities {
+  // received by person
+  AcceptFollowCommunity(AcceptFollowCommunity),
+  CreatePrivateMessage(CreatePrivateMessage),
+  UpdatePrivateMessage(UpdatePrivateMessage),
+  DeletePrivateMessage(DeletePrivateMessage),
+  UndoDeletePrivateMessage(UndoDeletePrivateMessage),
+  AnnounceActivity(Box<AnnounceActivity>),
+  // received by group
+  FollowCommunity(FollowCommunity),
+  UndoFollowCommunity(UndoFollowCommunity),
+  CreateComment(CreateComment),
+  UpdateComment(UpdateComment),
+  LikeComment(LikeComment),
+  DislikeComment(DislikeComment),
+  UndoLikeComment(UndoLikeComment),
+  UndoDislikeComment(UndoDislikeComment),
+  DeleteComment(DeleteComment),
+  UndoDeleteComment(UndoDeleteComment),
+  RemoveComment(RemoveComment),
+  UndoRemoveComment(UndoRemoveComment),
+  CreatePost(CreatePost),
+  UpdatePost(UpdatePost),
+  LikePost(LikePost),
+  DislikePost(DislikePost),
+  DeletePost(DeletePost),
+  UndoDeletePost(UndoDeletePost),
+  RemovePost(RemovePost),
+  UndoRemovePost(UndoRemovePost),
+  UndoLikePost(UndoLikePost),
+  UndoDislikePost(UndoDislikePost),
+  UpdateCommunity(Box<UpdateCommunity>),
+  DeleteCommunity(DeleteCommunity),
+  RemoveCommunity(RemoveCommunity),
+  UndoDeleteCommunity(UndoDeleteCommunity),
+  UndoRemoveCommunity(UndoRemoveCommunity),
+  BlockUserFromCommunity(BlockUserFromCommunity),
+  UndoBlockUserFromCommunity(UndoBlockUserFromCommunity),
+  AddMod(AddMod),
+  RemoveMod(RemoveMod),
 }
 
 #[async_trait::async_trait(?Send)]
@@ -132,3 +153,39 @@ impl ActivityHandler for SharedInboxActivities {
     self.receive(actor, context, request_counter).await
   }
 }
+
+#[async_trait::async_trait(?Send)]
+impl ActivityHandler for PersonInboxActivities {
+  type Actor = lemmy_apub::fetcher::Actor;
+
+  async fn verify(&self, context: &LemmyContext) -> Result<(), LemmyError> {
+    self.verify(context).await
+  }
+
+  async fn receive(
+    &self,
+    actor: Self::Actor,
+    context: &LemmyContext,
+    request_counter: &mut i32,
+  ) -> Result<(), LemmyError> {
+    self.receive(actor, context, request_counter).await
+  }
+}
+
+#[async_trait::async_trait(?Send)]
+impl ActivityHandler for GroupInboxActivities {
+  type Actor = lemmy_apub::fetcher::Actor;
+
+  async fn verify(&self, context: &LemmyContext) -> Result<(), LemmyError> {
+    self.verify(context).await
+  }
+
+  async fn receive(
+    &self,
+    actor: Self::Actor,
+    context: &LemmyContext,
+    request_counter: &mut i32,
+  ) -> Result<(), LemmyError> {
+    self.receive(actor, context, request_counter).await
+  }
+}

crates/apub_receive/src/http/mod.rs

@@ -1,19 +1,90 @@
-use actix_web::{body::Body, web, HttpResponse};
+use actix_web::{body::Body, web, HttpRequest, HttpResponse};
 use http::StatusCode;
-use lemmy_api_common::blocking;
-use lemmy_apub::APUB_JSON_CONTENT_TYPE;
-use lemmy_db_queries::source::activity::Activity_;
-use lemmy_db_schema::source::activity::Activity;
-use lemmy_utils::{settings::structs::Settings, LemmyError};
-use lemmy_websocket::LemmyContext;
 use serde::{Deserialize, Serialize};
 use url::Url;
 
+use crate::{activities::LemmyActivity, http::inbox_enums::SharedInboxActivities};
+use anyhow::{anyhow, Context};
+use lemmy_api_common::blocking;
+use lemmy_apub::{
+  check_is_apub_id_valid,
+  extensions::signatures::verify_signature,
+  fetcher::{get_or_fetch_and_upsert_actor, Actor},
+  insert_activity,
+  APUB_JSON_CONTENT_TYPE,
+};
+use lemmy_apub_lib::ActivityHandler;
+use lemmy_db_queries::{source::activity::Activity_, DbPool};
+use lemmy_db_schema::source::activity::Activity;
+use lemmy_utils::{location_info, settings::structs::Settings, LemmyError};
+use lemmy_websocket::LemmyContext;
+use std::fmt::Debug;
+
 pub mod comment;
 pub mod community;
+pub mod inbox_enums;
 pub mod person;
 pub mod post;
 
+pub async fn shared_inbox(
+  request: HttpRequest,
+  input: web::Json<LemmyActivity<SharedInboxActivities>>,
+  context: web::Data<LemmyContext>,
+) -> Result<HttpResponse, LemmyError> {
+  receive_activity(request, input.into_inner(), None, context).await
+}
+
+async fn receive_activity<T>(
+  request: HttpRequest,
+  activity: LemmyActivity<T>,
+  expected_name: Option<String>,
+  context: web::Data<LemmyContext>,
+) -> Result<HttpResponse, LemmyError>
+where
+  T: ActivityHandler<Actor = lemmy_apub::fetcher::Actor>
+    + Clone
+    + Serialize
+    + std::fmt::Debug
+    + Send
+    + 'static,
+{
+  // TODO: which order to check things?
+  // Do nothing if we received the same activity before
+  if is_activity_already_known(context.pool(), &activity.id_unchecked()).await? {
+    return Ok(HttpResponse::Ok().finish());
+  }
+  assert_activity_not_local(&activity)?;
+  check_is_apub_id_valid(&activity.actor, false)?;
+  activity.inner.verify(&context).await?;
+
+  let request_counter = &mut 0;
+  let actor: Actor =
+    get_or_fetch_and_upsert_actor(&activity.actor, &context, request_counter).await?;
+  if let Some(expected) = expected_name {
+    if expected != actor.name() {
+      return Ok(HttpResponse::BadRequest().finish());
+    }
+  }
+  verify_signature(&request, &actor.public_key().context(location_info!())?)?;
+
+  // Log the activity, so we avoid receiving and parsing it twice. Note that this could still happen
+  // if we receive the same activity twice in very quick succession.
+  insert_activity(
+    &activity.id_unchecked(),
+    activity.clone(),
+    false,
+    true,
+    context.pool(),
+  )
+  .await?;
+
+  activity
+    .inner
+    .receive(actor, &context, request_counter)
+    .await?;
+  Ok(HttpResponse::Ok().finish())
+}
+
 /// Convert the data to json and turn it into an HTTP Response with the correct ActivityPub
 /// headers.
 fn create_apub_response<T>(data: &T) -> HttpResponse<Body>
@@ -36,14 +107,14 @@ where
 }
 
 #[derive(Deserialize)]
-pub struct CommunityQuery {
+pub struct ActivityQuery {
   type_: String,
   id: String,
 }
 
-/// Return the ActivityPub json representation of a local community over HTTP.
+/// Return the ActivityPub json representation of a local activity over HTTP.
 pub(crate) async fn get_activity(
-  info: web::Path<CommunityQuery>,
+  info: web::Path<ActivityQuery>,
   context: web::Data<LemmyContext>,
 ) -> Result<HttpResponse<Body>, LemmyError> {
   let settings = Settings::get();
@@ -66,3 +137,35 @@ pub(crate) async fn get_activity(
     Ok(create_apub_response(&activity.data))
   }
 }
+
+pub(crate) async fn is_activity_already_known(
+  pool: &DbPool,
+  activity_id: &Url,
+) -> Result<bool, LemmyError> {
+  let activity_id = activity_id.to_owned().into();
+  let existing = blocking(pool, move |conn| {
+    Activity::read_from_apub_id(&conn, &activity_id)
+  })
+  .await?;
+  match existing {
+    Ok(_) => Ok(true),
+    Err(_) => Ok(false),
+  }
+}
+
+pub(in crate::http) fn assert_activity_not_local<T: Debug>(
+  activity: &LemmyActivity<T>,
+) -> Result<(), LemmyError> {
+  let activity_domain = activity.id_unchecked().domain().context(location_info!())?;
+
+  if activity_domain == Settings::get().hostname() {
+    return Err(
+      anyhow!(
+        "Error: received activity which was sent by local instance: {:?}",
+        activity
+      )
+      .into(),
+    );
+  }
+  Ok(())
+}

crates/apub_receive/src/http/person.rs

@@ -1,9 +1,17 @@
-use crate::http::{create_apub_response, create_apub_tombstone_response};
+use crate::{
+  activities::LemmyActivity,
+  http::{
+    create_apub_response,
+    create_apub_tombstone_response,
+    inbox_enums::PersonInboxActivities,
+    receive_activity,
+  },
+};
 use activitystreams::{
   base::BaseExt,
   collection::{CollectionExt, OrderedCollection},
 };
-use actix_web::{body::Body, web, HttpResponse};
+use actix_web::{body::Body, web, HttpRequest, HttpResponse};
 use lemmy_api_common::blocking;
 use lemmy_apub::{extensions::context::lemmy_context, objects::ToApub, ActorType};
 use lemmy_db_queries::source::person::Person_;
@@ -39,6 +47,15 @@ pub(crate) async fn get_apub_person_http(
   }
 }
 
+pub async fn person_inbox(
+  request: HttpRequest,
+  input: web::Json<LemmyActivity<PersonInboxActivities>>,
+  path: web::Path<String>,
+  context: web::Data<LemmyContext>,
+) -> Result<HttpResponse, LemmyError> {
+  receive_activity(request, input.into_inner(), Some(path.0), context).await
+}
+
 pub(crate) async fn get_apub_person_outbox(
   info: web::Path<PersonQuery>,
   context: web::Data<LemmyContext>,

crates/apub_receive/src/inbox/community_inbox.rs

@@ -1,14 +0,0 @@
-use crate::inbox::new_inbox_routing::{Activity, SharedInboxActivities};
-use actix_web::{web, HttpRequest, HttpResponse};
-use lemmy_utils::LemmyError;
-use lemmy_websocket::LemmyContext;
-
-/// Handler for all incoming receive to community inboxes.
-pub async fn community_inbox(
-  _request: HttpRequest,
-  _input: web::Json<Activity<Activity<SharedInboxActivities>>>,
-  _path: web::Path<String>,
-  _context: web::Data<LemmyContext>,
-) -> Result<HttpResponse, LemmyError> {
-  todo!()
-}

crates/apub_receive/src/inbox/mod.rs

@@ -1,45 +0,0 @@
-use crate::inbox::new_inbox_routing::Activity;
-use anyhow::{anyhow, Context};
-use lemmy_api_common::blocking;
-use lemmy_db_queries::{source::activity::Activity_, DbPool};
-use lemmy_db_schema::source::activity::Activity as DbActivity;
-use lemmy_utils::{location_info, settings::structs::Settings, LemmyError};
-use std::fmt::Debug;
-use url::Url;
-
-pub mod community_inbox;
-pub mod new_inbox_routing;
-pub mod person_inbox;
-pub mod shared_inbox;
-
-pub(crate) async fn is_activity_already_known(
-  pool: &DbPool,
-  activity_id: &Url,
-) -> Result<bool, LemmyError> {
-  let activity_id = activity_id.to_owned().into();
-  let existing = blocking(pool, move |conn| {
-    DbActivity::read_from_apub_id(&conn, &activity_id)
-  })
-  .await?;
-  match existing {
-    Ok(_) => Ok(true),
-    Err(_) => Ok(false),
-  }
-}
-
-pub(in crate::inbox) fn assert_activity_not_local<T: Debug>(
-  activity: &Activity<T>,
-) -> Result<(), LemmyError> {
-  let activity_domain = activity.id_unchecked().domain().context(location_info!())?;
-
-  if activity_domain == Settings::get().hostname() {
-    return Err(
-      anyhow!(
-        "Error: received activity which was sent by local instance: {:?}",
-        activity
-      )
-      .into(),
-    );
-  }
-  Ok(())
-}

crates/apub_receive/src/inbox/person_inbox.rs

@@ -1,13 +0,0 @@
-use crate::inbox::new_inbox_routing::{Activity, SharedInboxActivities};
-use actix_web::{web, HttpRequest, HttpResponse};
-use lemmy_utils::LemmyError;
-use lemmy_websocket::LemmyContext;
-
-pub async fn person_inbox(
-  _request: HttpRequest,
-  _input: web::Json<Activity<Activity<SharedInboxActivities>>>,
-  _path: web::Path<String>,
-  _context: web::Data<LemmyContext>,
-) -> Result<HttpResponse, LemmyError> {
-  todo!()
-}

crates/apub_receive/src/inbox/shared_inbox.rs

@@ -1,57 +0,0 @@
-use crate::inbox::{
-  assert_activity_not_local,
-  is_activity_already_known,
-  new_inbox_routing::{Activity, SharedInboxActivities},
-};
-use actix_web::{web, HttpRequest, HttpResponse};
-use anyhow::Context;
-use lemmy_apub::{
-  check_is_apub_id_valid,
-  extensions::signatures::verify_signature,
-  fetcher::{get_or_fetch_and_upsert_actor2, Actor},
-  insert_activity,
-};
-use lemmy_apub_lib::ActivityHandler;
-use lemmy_utils::{location_info, LemmyError};
-use lemmy_websocket::LemmyContext;
-
-pub async fn shared_inbox(
-  request: HttpRequest,
-  input: web::Json<Activity<SharedInboxActivities>>,
-  context: web::Data<LemmyContext>,
-) -> Result<HttpResponse, LemmyError> {
-  let activity = input.into_inner();
-
-  // Do nothing if we received the same activity before
-  if is_activity_already_known(context.pool(), &activity.id_unchecked()).await? {
-    return Ok(HttpResponse::Ok().finish());
-  }
-  assert_activity_not_local(&activity)?;
-  check_is_apub_id_valid(&activity.actor, false)?;
-  activity.inner.verify(&context).await?;
-
-  let request_counter = &mut 0;
-  let actor = get_or_fetch_and_upsert_actor2(&activity.actor, &context, request_counter).await?;
-  let public_key = match &actor {
-    Actor::Person(p) => p.public_key.as_ref().context(location_info!())?,
-    Actor::Community(c) => c.public_key.as_ref().context(location_info!())?,
-  };
-  verify_signature(&request, &public_key)?;
-
-  // Log the activity, so we avoid receiving and parsing it twice. Note that this could still happen
-  // if we receive the same activity twice in very quick succession.
-  insert_activity(
-    &activity.id_unchecked(),
-    activity.clone(),
-    false,
-    true,
-    context.pool(),
-  )
-  .await?;
-
-  activity
-    .inner
-    .receive(actor, &context, request_counter)
-    .await?;
-  return Ok(HttpResponse::Ok().finish());
-}

crates/apub_receive/src/lib.rs

@@ -1,4 +1,3 @@
-pub mod activities;
+mod activities;
 mod http;
-mod inbox;
 pub mod routes;

crates/apub_receive/src/routes.rs

@@ -1,22 +1,17 @@
-use crate::{
-  http::{
-    comment::get_apub_comment,
-    community::{
-      get_apub_community_followers,
-      get_apub_community_http,
-      get_apub_community_inbox,
-      get_apub_community_moderators,
-      get_apub_community_outbox,
-    },
-    get_activity,
-    person::{get_apub_person_http, get_apub_person_inbox, get_apub_person_outbox},
-    post::get_apub_post,
-  },
-  inbox::{
-    community_inbox::community_inbox,
-    person_inbox::person_inbox,
-    shared_inbox::shared_inbox,
+use crate::http::{
+  comment::get_apub_comment,
+  community::{
+    community_inbox,
+    get_apub_community_followers,
+    get_apub_community_http,
+    get_apub_community_inbox,
+    get_apub_community_moderators,
+    get_apub_community_outbox,
   },
+  get_activity,
+  person::{get_apub_person_http, get_apub_person_inbox, get_apub_person_outbox, person_inbox},
+  post::get_apub_post,
+  shared_inbox,
 };
 use actix_web::*;
 use http_signature_normalization_actix::digest::middleware::VerifyDigest;