Merge pull request #1874 from LemmyNet/protocol-testing

Protocol testing

Cargo.lock

@@ -1728,6 +1728,7 @@ dependencies = [
  "lazy_static",
  "lemmy_api_common",
  "lemmy_apub",
+ "lemmy_apub_lib",
  "lemmy_db_schema",
  "lemmy_db_views",
  "lemmy_db_views_actor",

crates/api/Cargo.toml

@@ -14,6 +14,7 @@ doctest = false
 
 [dependencies]
 lemmy_apub = { version = "=0.13.5-rc.7", path = "../apub" }
+lemmy_apub_lib = { version = "=0.13.5-rc.7", path = "../apub_lib" }
 lemmy_utils = { version = "=0.13.5-rc.7", path = "../utils" }
 lemmy_db_schema = { version = "=0.13.5-rc.7", path = "../db_schema" }
 lemmy_db_views = { version = "=0.13.5-rc.7", path = "../db_views" }

crates/api/src/comment.rs

@@ -1,5 +1,7 @@
-use crate::Perform;
+use std::convert::TryInto;
+
 use actix_web::web::Data;
+
 use lemmy_api_common::{
   blocking,
   check_community_ban,
@@ -9,11 +11,11 @@ use lemmy_api_common::{
   get_local_user_view_from_jwt,
 };
 use lemmy_apub::{
-  activities::voting::{
+  fetcher::post_or_comment::PostOrComment,
+  protocol::activities::voting::{
     undo_vote::UndoVote,
     vote::{Vote, VoteType},
   },
-  fetcher::post_or_comment::PostOrComment,
 };
 use lemmy_db_schema::{
   newtypes::LocalUserId,
@@ -23,7 +25,8 @@ use lemmy_db_schema::{
 use lemmy_db_views::{comment_view::CommentView, local_user_view::LocalUserView};
 use lemmy_utils::{ApiError, ConnectionId, LemmyError};
 use lemmy_websocket::{send::send_comment_ws_message, LemmyContext, UserOperation};
-use std::convert::TryInto;
+
+use crate::Perform;
 
 #[async_trait::async_trait(?Send)]
 impl Perform for MarkCommentAsRead {

crates/api/src/comment_report.rs

@@ -1,5 +1,5 @@
-use crate::Perform;
 use actix_web::web::Data;
+
 use lemmy_api_common::{
   blocking,
   check_community_ban,
@@ -7,7 +7,7 @@ use lemmy_api_common::{
   get_local_user_view_from_jwt,
   is_mod_or_admin,
 };
-use lemmy_apub::{activities::report::Report, fetcher::object_id::ObjectId};
+use lemmy_apub::{fetcher::object_id::ObjectId, protocol::activities::community::report::Report};
 use lemmy_db_schema::{source::comment_report::*, traits::Reportable};
 use lemmy_db_views::{
   comment_report_view::{CommentReportQueryBuilder, CommentReportView},
@@ -16,6 +16,8 @@ use lemmy_db_views::{
 use lemmy_utils::{ApiError, ConnectionId, LemmyError};
 use lemmy_websocket::{messages::SendModRoomMessage, LemmyContext, UserOperation};
 
+use crate::Perform;
+
 /// Creates a comment report and notifies the moderators of the community
 #[async_trait::async_trait(?Send)]
 impl Perform for CreateCommentReport {

crates/api/src/community.rs

@@ -10,16 +10,16 @@ use lemmy_api_common::{
   is_mod_or_admin,
 };
 use lemmy_apub::{
-  activities::{
+  objects::{community::ApubCommunity, person::ApubPerson},
+  protocol::activities::{
     community::{
       add_mod::AddMod,
       block_user::BlockUserFromCommunity,
       remove_mod::RemoveMod,
       undo_block_user::UndoBlockUserFromCommunity,
     },
-    following::{follow::FollowCommunity as FollowCommunityApub, undo::UndoFollowCommunity},
+    following::{follow::FollowCommunity as FollowCommunityApub, undo_follow::UndoFollowCommunity},
   },
-  objects::{community::ApubCommunity, person::ApubPerson},
 };
 use lemmy_db_schema::{
   source::{

crates/api/src/post.rs

@@ -12,16 +12,16 @@ use lemmy_api_common::{
   post::*,
 };
 use lemmy_apub::{
-  activities::{
-    post::create_or_update::CreateOrUpdatePost,
+  fetcher::post_or_comment::PostOrComment,
+  objects::post::ApubPost,
+  protocol::activities::{
+    create_or_update::post::CreateOrUpdatePost,
     voting::{
       undo_vote::UndoVote,
       vote::{Vote, VoteType},
     },
     CreateOrUpdateType,
   },
-  fetcher::post_or_comment::PostOrComment,
-  objects::post::ApubPost,
 };
 use lemmy_db_schema::{
   source::{moderator::*, post::*},

crates/api/src/post_report.rs

@@ -1,5 +1,5 @@
-use crate::Perform;
 use actix_web::web::Data;
+
 use lemmy_api_common::{
   blocking,
   check_community_ban,
@@ -13,7 +13,7 @@ use lemmy_api_common::{
     ResolvePostReport,
   },
 };
-use lemmy_apub::{activities::report::Report, fetcher::object_id::ObjectId};
+use lemmy_apub::{fetcher::object_id::ObjectId, protocol::activities::community::report::Report};
 use lemmy_db_schema::{
   source::post_report::{PostReport, PostReportForm},
   traits::Reportable,
@@ -25,6 +25,8 @@ use lemmy_db_views::{
 use lemmy_utils::{ApiError, ConnectionId, LemmyError};
 use lemmy_websocket::{messages::SendModRoomMessage, LemmyContext, UserOperation};
 
+use crate::Perform;
+
 /// Creates a post report and notifies the moderators of the community
 #[async_trait::async_trait(?Send)]
 impl Perform for CreatePostReport {

crates/api/src/site.rs

@@ -11,10 +11,10 @@ use lemmy_api_common::{
   site::*,
 };
 use lemmy_apub::{
-  build_actor_id_from_shortname,
   fetcher::search::{search_by_apub_id, SearchableObjects},
-  EndpointType,
+  get_actor_id_from_name,
 };
+use lemmy_apub_lib::webfinger::WebfingerType;
 use lemmy_db_schema::{
   from_opt_str_to_opt_enum,
   newtypes::PersonId,
@@ -174,11 +174,13 @@ impl Perform for Search {
     let listing_type: Option<ListingType> = from_opt_str_to_opt_enum(&data.listing_type);
     let search_type: SearchType = from_opt_str_to_opt_enum(&data.type_).unwrap_or(SearchType::All);
     let community_id = data.community_id;
-    let community_actor_id = data
-      .community_name
-      .as_ref()
-      .map(|t| build_actor_id_from_shortname(EndpointType::Community, t, &context.settings()).ok())
-      .unwrap_or(None);
+    let community_actor_id = if let Some(name) = &data.community_name {
+      get_actor_id_from_name(WebfingerType::Group, name, context)
+        .await
+        .ok()
+    } else {
+      None
+    };
     let creator_id = data.creator_id;
     match search_type {
       SearchType::Posts => {

crates/api_crud/src/comment/create.rs

@@ -1,5 +1,5 @@
-use crate::PerformCrud;
 use actix_web::web::Data;
+
 use lemmy_api_common::{
   blocking,
   check_community_ban,
@@ -11,13 +11,13 @@ use lemmy_api_common::{
   get_post,
 };
 use lemmy_apub::{
-  activities::{
-    comment::create_or_update::CreateOrUpdateComment,
+  fetcher::post_or_comment::PostOrComment,
+  generate_local_apub_endpoint,
+  protocol::activities::{
+    create_or_update::comment::CreateOrUpdateComment,
     voting::vote::{Vote, VoteType},
     CreateOrUpdateType,
   },
-  fetcher::post_or_comment::PostOrComment,
-  generate_apub_endpoint,
   EndpointType,
 };
 use lemmy_db_schema::{
@@ -40,6 +40,8 @@ use lemmy_websocket::{
   UserOperationCrud,
 };
 
+use crate::PerformCrud;
+
 #[async_trait::async_trait(?Send)]
 impl PerformCrud for CreateComment {
   type Response = CommentResponse;
@@ -109,7 +111,7 @@ impl PerformCrud for CreateComment {
 
     let updated_comment: Comment =
       blocking(context.pool(), move |conn| -> Result<Comment, LemmyError> {
-        let apub_id = generate_apub_endpoint(
+        let apub_id = generate_local_apub_endpoint(
           EndpointType::Comment,
           &inserted_comment_id.to_string(),
           &protocol_and_hostname,

crates/api_crud/src/comment/read.rs

@@ -1,7 +1,8 @@
 use crate::PerformCrud;
 use actix_web::web::Data;
 use lemmy_api_common::{blocking, comment::*, get_local_user_view_from_jwt_opt};
-use lemmy_apub::{build_actor_id_from_shortname, EndpointType};
+use lemmy_apub::get_actor_id_from_name;
+use lemmy_apub_lib::webfinger::WebfingerType;
 use lemmy_db_schema::{
   from_opt_str_to_opt_enum,
   traits::DeleteableOrRemoveable,
@@ -34,11 +35,13 @@ impl PerformCrud for GetComments {
     let listing_type: Option<ListingType> = from_opt_str_to_opt_enum(&data.type_);
 
     let community_id = data.community_id;
-    let community_actor_id = data
-      .community_name
-      .as_ref()
-      .map(|t| build_actor_id_from_shortname(EndpointType::Community, t, &context.settings()).ok())
-      .unwrap_or(None);
+    let community_actor_id = if let Some(name) = &data.community_name {
+      get_actor_id_from_name(WebfingerType::Group, name, context)
+        .await
+        .ok()
+    } else {
+      None
+    };
     let saved_only = data.saved_only;
     let page = data.page;
     let limit = data.limit;

crates/api_crud/src/comment/update.rs

@@ -1,5 +1,5 @@
-use crate::PerformCrud;
 use actix_web::web::Data;
+
 use lemmy_api_common::{
   blocking,
   check_community_ban,
@@ -8,8 +8,8 @@ use lemmy_api_common::{
   comment::*,
   get_local_user_view_from_jwt,
 };
-use lemmy_apub::activities::{
-  comment::create_or_update::CreateOrUpdateComment,
+use lemmy_apub::protocol::activities::{
+  create_or_update::comment::CreateOrUpdateComment,
   CreateOrUpdateType,
 };
 use lemmy_db_schema::source::comment::Comment;
@@ -26,6 +26,8 @@ use lemmy_websocket::{
   UserOperationCrud,
 };
 
+use crate::PerformCrud;
+
 #[async_trait::async_trait(?Send)]
 impl PerformCrud for EditComment {
   type Response = CommentResponse;

crates/api_crud/src/community/create.rs

@@ -8,9 +8,9 @@ use lemmy_api_common::{
 };
 use lemmy_apub::{
   fetcher::object_id::ObjectId,
-  generate_apub_endpoint,
   generate_followers_url,
   generate_inbox_url,
+  generate_local_apub_endpoint,
   generate_shared_inbox_url,
   objects::community::ApubCommunity,
   EndpointType,
@@ -67,7 +67,7 @@ impl PerformCrud for CreateCommunity {
     }
 
     // Double check for duplicate community actor_ids
-    let community_actor_id = generate_apub_endpoint(
+    let community_actor_id = generate_local_apub_endpoint(
       EndpointType::Community,
       &data.name,
       &context.settings().get_protocol_and_hostname(),

crates/api_crud/src/community/read.rs

@@ -2,11 +2,11 @@ use crate::PerformCrud;
 use actix_web::web::Data;
 use lemmy_api_common::{blocking, community::*, get_local_user_view_from_jwt_opt};
 use lemmy_apub::{
-  build_actor_id_from_shortname,
   fetcher::object_id::ObjectId,
+  get_actor_id_from_name,
   objects::community::ApubCommunity,
-  EndpointType,
 };
+use lemmy_apub_lib::webfinger::WebfingerType;
 use lemmy_db_schema::{
   from_opt_str_to_opt_enum,
   traits::DeleteableOrRemoveable,
@@ -39,7 +39,7 @@ impl PerformCrud for GetCommunity {
       None => {
         let name = data.name.to_owned().unwrap_or_else(|| "main".to_string());
         let community_actor_id =
-          build_actor_id_from_shortname(EndpointType::Community, &name, &context.settings())?;
+          get_actor_id_from_name(WebfingerType::Group, &name, context).await?;
 
         ObjectId::<ApubCommunity>::new(community_actor_id)
           .dereference(context, &mut 0)

crates/api_crud/src/community/update.rs

@@ -5,7 +5,7 @@ use lemmy_api_common::{
   community::{CommunityResponse, EditCommunity},
   get_local_user_view_from_jwt,
 };
-use lemmy_apub::activities::community::update::UpdateCommunity;
+use lemmy_apub::protocol::activities::community::update::UpdateCommunity;
 use lemmy_db_schema::{
   diesel_option_overwrite_to_url,
   naive_now,

crates/api_crud/src/post/create.rs

@@ -1,5 +1,7 @@
-use crate::PerformCrud;
 use actix_web::web::Data;
+use log::warn;
+use webmention::{Webmention, WebmentionError};
+
 use lemmy_api_common::{
   blocking,
   check_community_ban,
@@ -10,13 +12,13 @@ use lemmy_api_common::{
   post::*,
 };
 use lemmy_apub::{
-  activities::{
-    post::create_or_update::CreateOrUpdatePost,
+  fetcher::post_or_comment::PostOrComment,
+  generate_local_apub_endpoint,
+  protocol::activities::{
+    create_or_update::post::CreateOrUpdatePost,
     voting::vote::{Vote, VoteType},
     CreateOrUpdateType,
   },
-  fetcher::post_or_comment::PostOrComment,
-  generate_apub_endpoint,
   EndpointType,
 };
 use lemmy_db_schema::{
@@ -31,8 +33,8 @@ use lemmy_utils::{
   LemmyError,
 };
 use lemmy_websocket::{send::send_post_ws_message, LemmyContext, UserOperationCrud};
-use log::warn;
-use webmention::{Webmention, WebmentionError};
+
+use crate::PerformCrud;
 
 #[async_trait::async_trait(?Send)]
 impl PerformCrud for CreatePost {
@@ -98,7 +100,7 @@ impl PerformCrud for CreatePost {
     let inserted_post_id = inserted_post.id;
     let protocol_and_hostname = context.settings().get_protocol_and_hostname();
     let updated_post = blocking(context.pool(), move |conn| -> Result<Post, LemmyError> {
-      let apub_id = generate_apub_endpoint(
+      let apub_id = generate_local_apub_endpoint(
         EndpointType::Post,
         &inserted_post_id.to_string(),
         &protocol_and_hostname,

crates/api_crud/src/post/read.rs

@@ -1,7 +1,8 @@
 use crate::PerformCrud;
 use actix_web::web::Data;
 use lemmy_api_common::{blocking, get_local_user_view_from_jwt_opt, mark_post_as_read, post::*};
-use lemmy_apub::{build_actor_id_from_shortname, EndpointType};
+use lemmy_apub::get_actor_id_from_name;
+use lemmy_apub_lib::webfinger::WebfingerType;
 use lemmy_db_schema::{
   from_opt_str_to_opt_enum,
   traits::DeleteableOrRemoveable,
@@ -136,11 +137,13 @@ impl PerformCrud for GetPosts {
     let page = data.page;
     let limit = data.limit;
     let community_id = data.community_id;
-    let community_actor_id = data
-      .community_name
-      .as_ref()
-      .map(|t| build_actor_id_from_shortname(EndpointType::Community, t, &context.settings()).ok())
-      .unwrap_or(None);
+    let community_actor_id = if let Some(name) = &data.community_name {
+      get_actor_id_from_name(WebfingerType::Group, name, context)
+        .await
+        .ok()
+    } else {
+      None
+    };
     let saved_only = data.saved_only;
 
     let mut posts = blocking(context.pool(), move |conn| {

crates/api_crud/src/post/update.rs

@@ -1,5 +1,5 @@
-use crate::PerformCrud;
 use actix_web::web::Data;
+
 use lemmy_api_common::{
   blocking,
   check_community_ban,
@@ -7,7 +7,10 @@ use lemmy_api_common::{
   get_local_user_view_from_jwt,
   post::*,
 };
-use lemmy_apub::activities::{post::create_or_update::CreateOrUpdatePost, CreateOrUpdateType};
+use lemmy_apub::protocol::activities::{
+  create_or_update::post::CreateOrUpdatePost,
+  CreateOrUpdateType,
+};
 use lemmy_db_schema::{
   naive_now,
   source::post::{Post, PostForm},
@@ -22,6 +25,8 @@ use lemmy_utils::{
 };
 use lemmy_websocket::{send::send_post_ws_message, LemmyContext, UserOperationCrud};
 
+use crate::PerformCrud;
+
 #[async_trait::async_trait(?Send)]
 impl PerformCrud for EditPost {
   type Response = PostResponse;

crates/api_crud/src/private_message/create.rs

@@ -7,11 +7,11 @@ use lemmy_api_common::{
   person::{CreatePrivateMessage, PrivateMessageResponse},
 };
 use lemmy_apub::{
-  activities::{
+  generate_local_apub_endpoint,
+  protocol::activities::{
     private_message::create_or_update::CreateOrUpdatePrivateMessage,
     CreateOrUpdateType,
   },
-  generate_apub_endpoint,
   EndpointType,
 };
 use lemmy_db_schema::{
@@ -67,7 +67,7 @@ impl PerformCrud for CreatePrivateMessage {
     let updated_private_message = blocking(
       context.pool(),
       move |conn| -> Result<PrivateMessage, LemmyError> {
-        let apub_id = generate_apub_endpoint(
+        let apub_id = generate_local_apub_endpoint(
           EndpointType::PrivateMessage,
           &inserted_private_message_id.to_string(),
           &protocol_and_hostname,

crates/api_crud/src/private_message/delete.rs

@@ -5,7 +5,7 @@ use lemmy_api_common::{
   get_local_user_view_from_jwt,
   person::{DeletePrivateMessage, PrivateMessageResponse},
 };
-use lemmy_apub::activities::private_message::{
+use lemmy_apub::protocol::activities::private_message::{
   delete::DeletePrivateMessage as DeletePrivateMessageApub,
   undo_delete::UndoDeletePrivateMessage,
 };

crates/api_crud/src/private_message/update.rs

@@ -5,7 +5,7 @@ use lemmy_api_common::{
   get_local_user_view_from_jwt,
   person::{EditPrivateMessage, PrivateMessageResponse},
 };
-use lemmy_apub::activities::{
+use lemmy_apub::protocol::activities::{
   private_message::create_or_update::CreateOrUpdatePrivateMessage,
   CreateOrUpdateType,
 };

crates/api_crud/src/user/create.rs

@@ -2,9 +2,9 @@ use crate::PerformCrud;
 use actix_web::web::Data;
 use lemmy_api_common::{blocking, honeypot_check, password_length_check, person::*};
 use lemmy_apub::{
-  generate_apub_endpoint,
   generate_followers_url,
   generate_inbox_url,
+  generate_local_apub_endpoint,
   generate_shared_inbox_url,
   EndpointType,
 };
@@ -96,7 +96,7 @@ impl PerformCrud for Register {
     if !is_valid_actor_name(&data.username, context.settings().actor_name_max_length) {
       return Err(ApiError::err_plain("invalid_username").into());
     }
-    let actor_id = generate_apub_endpoint(
+    let actor_id = generate_local_apub_endpoint(
       EndpointType::Person,
       &data.username,
       &context.settings().get_protocol_and_hostname(),
@@ -179,7 +179,7 @@ impl PerformCrud for Register {
       Ok(c) => c,
       Err(_e) => {
         let default_community_name = "main";
-        let actor_id = generate_apub_endpoint(
+        let actor_id = generate_local_apub_endpoint(
           EndpointType::Community,
           default_community_name,
           &protocol_and_hostname,

crates/api_crud/src/user/read.rs

@@ -2,11 +2,11 @@ use crate::PerformCrud;
 use actix_web::web::Data;
 use lemmy_api_common::{blocking, get_local_user_view_from_jwt_opt, person::*};
 use lemmy_apub::{
-  build_actor_id_from_shortname,
   fetcher::object_id::ObjectId,
+  get_actor_id_from_name,
   objects::person::ApubPerson,
-  EndpointType,
 };
+use lemmy_apub_lib::webfinger::WebfingerType;
 use lemmy_db_schema::{from_opt_str_to_opt_enum, SortType};
 use lemmy_db_views::{comment_view::CommentQueryBuilder, post_view::PostQueryBuilder};
 use lemmy_db_views_actor::{
@@ -46,8 +46,7 @@ impl PerformCrud for GetPersonDetails {
           .username
           .to_owned()
           .unwrap_or_else(|| "admin".to_string());
-        let actor_id =
-          build_actor_id_from_shortname(EndpointType::Person, &name, &context.settings())?;
+        let actor_id = get_actor_id_from_name(WebfingerType::Person, &name, context).await?;
 
         let person = ObjectId::<ApubPerson>::new(actor_id)
           .dereference(context, &mut 0)

crates/apub/assets/lemmy-comment.json

@@ -1,34 +0,0 @@
-{
-  "@context": [
-    "https://www.w3.org/ns/activitystreams",
-    {
-      "comments_enabled": {
-        "id": "pt:commentsEnabled",
-        "type": "sc:Boolean"
-      },
-      "matrixUserId": {
-        "id": "as:alsoKnownAs",
-        "type": "sc:Text"
-      },
-      "moderators": "as:moderators",
-      "pt": "https://join-lemmy.org#",
-      "sc": "http://schema.org#",
-      "sensitive": "as:sensitive",
-      "stickied": "as:stickied"
-    },
-    "https://w3id.org/security/v1"
-  ],
-  "id": "https://enterprise.lemmy.ml/comment/38741",
-  "type": "Note",
-  "attributedTo": "https://enterprise.lemmy.ml/u/picard",
-  "to": ["https://www.w3.org/ns/activitystreams#Public"],
-  "inReplyTo": "https://enterprise.lemmy.ml/post/55143",
-  "content": "first comment!",
-  "mediaType": "text/html",
-  "source": {
-    "content": "first comment!",
-    "mediaType": "text/markdown"
-  },
-  "published": "2021-03-01T13:42:43.966208+00:00",
-  "updated": "2021-03-01T13:43:03.955787+00:00"
-}

crates/apub/assets/lemmy-private-message.json

@@ -1,34 +0,0 @@
-{
-  "@context": [
-    "https://www.w3.org/ns/activitystreams",
-    {
-      "comments_enabled": {
-        "id": "pt:commentsEnabled",
-        "type": "sc:Boolean"
-      },
-      "matrixUserId": {
-        "id": "as:alsoKnownAs",
-        "type": "sc:Text"
-      },
-      "moderators": "as:moderators",
-      "pt": "https://join-lemmy.org#",
-      "sc": "http://schema.org#",
-      "sensitive": "as:sensitive",
-      "stickied": "as:stickied"
-    },
-    "https://w3id.org/security/v1"
-  ],
-  "id": "https://enterprise.lemmy.ml/private_message/1621",
-  "type": "ChatMessage",
-  "attributedTo": "https://enterprise.lemmy.ml/u/picard",
-  "to": [
-    "https://queer.hacktivis.me/users/lanodan"
-  ],
-  "content": "Hello hello, testing",
-  "mediaType": "text/html",
-  "source": {
-    "content": "Hello hello, testing",
-    "mediaType": "text/markdown"
-  },
-  "published": "2021-10-21T10:13:14.597721+00:00"
-}

crates/apub/assets/lemmy/activities/community/add_mod.json

@@ -0,0 +1,13 @@
+{
+  "actor": "http://enterprise.lemmy.ml/u/lemmy_beta",
+  "to": [
+    "https://www.w3.org/ns/activitystreams#Public"
+  ],
+  "object": "http://ds9.lemmy.ml/u/lemmy_alpha",
+  "target": "http://enterprise.lemmy.ml/c/main/moderators",
+  "cc": [
+    "http://enterprise.lemmy.ml/c/main"
+  ],
+  "type": "Add",
+  "id": "http://enterprise.lemmy.ml/activities/add/ec069147-77c3-447f-88c8-0ef1df10403f"
+}

crates/apub/assets/lemmy/activities/community/announce_create_page.json

@@ -0,0 +1,37 @@
+{
+  "actor": "http://enterprise.lemmy.ml/c/main",
+  "to": [
+    "https://www.w3.org/ns/activitystreams#Public"
+  ],
+  "object": {
+    "actor": "http://enterprise.lemmy.ml/u/lemmy_beta",
+    "to": [
+      "https://www.w3.org/ns/activitystreams#Public"
+    ],
+    "object": {
+      "type": "Page",
+      "id": "http://enterprise.lemmy.ml/post/7",
+      "attributedTo": "http://enterprise.lemmy.ml/u/lemmy_beta",
+      "to": [
+        "http://enterprise.lemmy.ml/c/main",
+        "https://www.w3.org/ns/activitystreams#Public"
+      ],
+      "name": "post 4",
+      "mediaType": "text/html",
+      "commentsEnabled": true,
+      "sensitive": false,
+      "stickied": false,
+      "published": "2021-11-01T12:11:22.871846+00:00"
+    },
+    "cc": [
+      "http://enterprise.lemmy.ml/c/main"
+    ],
+    "type": "Create",
+    "id": "http://enterprise.lemmy.ml/activities/create/2807c9ec-3ad8-4859-a9e0-28b59b6e499f"
+  },
+  "cc": [
+    "http://enterprise.lemmy.ml/c/main/followers"
+  ],
+  "type": "Announce",
+  "id": "http://enterprise.lemmy.ml/activities/announce/8030b171-803a-4108-94b1-342688f375cf"
+}

crates/apub/assets/lemmy/activities/community/block_user.json

@@ -0,0 +1,13 @@
+{
+  "actor": "http://enterprise.lemmy.ml/u/lemmy_beta",
+  "to": [
+    "https://www.w3.org/ns/activitystreams#Public"
+  ],
+  "object": "http://ds9.lemmy.ml/u/lemmy_alpha",
+  "cc": [
+    "http://enterprise.lemmy.ml/c/main"
+  ],
+  "target": "http://enterprise.lemmy.ml/c/main",
+  "type": "Block",
+  "id": "http://enterprise.lemmy.ml/activities/block/5d42fffb-0903-4625-86d4-0b39bb344fc2"
+}

crates/apub/assets/lemmy/activities/community/remove_mod.json

@@ -0,0 +1,13 @@
+{
+  "actor": "http://enterprise.lemmy.ml/u/lemmy_beta",
+  "to": [
+    "https://www.w3.org/ns/activitystreams#Public"
+  ],
+  "object": "http://ds9.lemmy.ml/u/lemmy_alpha",
+  "cc": [
+    "http://enterprise.lemmy.ml/c/main"
+  ],
+  "type": "Remove",
+  "target": "http://enterprise.lemmy.ml/c/main/moderators",
+  "id": "http://enterprise.lemmy.ml/activities/remove/aab114f8-cfbd-4935-a5b7-e1a64603650d"
+}

crates/apub/assets/lemmy/activities/community/report_page.json

@@ -0,0 +1,10 @@
+{
+  "actor": "http://ds9.lemmy.ml/u/lemmy_alpha",
+  "to": [
+    "http://enterprise.lemmy.ml/c/main"
+  ],
+  "object": "http://enterprise.lemmy.ml/post/7",
+  "summary": "report this post",
+  "type": "Flag",
+  "id": "http://ds9.lemmy.ml/activities/flag/98b0933f-5e45-4a95-a15f-e0dc86361ba4"
+}

crates/apub/assets/lemmy/activities/community/undo_block_user.json

@@ -0,0 +1,24 @@
+{
+  "actor": "http://enterprise.lemmy.ml/u/lemmy_beta",
+  "to": [
+    "https://www.w3.org/ns/activitystreams#Public"
+  ],
+  "object": {
+    "actor": "http://enterprise.lemmy.ml/u/lemmy_beta",
+    "to": [
+      "https://www.w3.org/ns/activitystreams#Public"
+    ],
+    "object": "http://ds9.lemmy.ml/u/lemmy_alpha",
+    "cc": [
+      "http://enterprise.lemmy.ml/c/main"
+    ],
+    "target": "http://enterprise.lemmy.ml/c/main",
+    "type": "Block",
+    "id": "http://enterprise.lemmy.ml/activities/block/726f43ab-bd0e-4ab3-89c8-627e976f553c"
+  },
+  "cc": [
+    "http://enterprise.lemmy.ml/c/main"
+  ],
+  "type": "Undo",
+  "id": "http://enterprise.lemmy.ml/activities/undo/06a20ffb-3e32-42fb-8f4c-674b36d7c557"
+}

crates/apub/assets/lemmy/activities/community/update_community.json

@@ -0,0 +1,37 @@
+{
+  "actor": "http://ds9.lemmy.ml/u/lemmy_alpha",
+  "to": [
+    "https://www.w3.org/ns/activitystreams#Public"
+  ],
+  "object": {
+    "type": "Group",
+    "id": "http://enterprise.lemmy.ml/c/main",
+    "preferredUsername": "main",
+    "name": "The Updated Community",
+    "summary": "<p>updated 2</p>\n",
+    "source": {
+      "content": "updated 2",
+      "mediaType": "text/markdown"
+    },
+    "sensitive": false,
+    "moderators": "http://enterprise.lemmy.ml/c/main/moderators",
+    "inbox": "http://enterprise.lemmy.ml/c/main/inbox",
+    "outbox": "http://enterprise.lemmy.ml/c/main/outbox",
+    "followers": "http://enterprise.lemmy.ml/c/main/followers",
+    "endpoints": {
+      "sharedInbox": "http://enterprise.lemmy.ml/inbox"
+    },
+    "publicKey": {
+      "id": "http://enterprise.lemmy.ml/c/main#main-key",
+      "owner": "http://enterprise.lemmy.ml/c/main",
+      "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA16Xh06V1l2yy0WAIMUTV\nnvZIuAuKDxzDQUNT+n8gmcVuvBu7tkpbPTQ3DjGB3bQfGC2ekew/yldwOXyZ7ry1\npbJSYSrCBJrAlPLs/ao3OPTqmcl3vnSWti/hqopEV+Um2t7fwpkCjVrnzVKRSlys\nihnrth64ZiwAqq2llpaXzWc1SR2URZYSdnry/4d9UNrZVkumIeg1gk9KbCAo4j/O\njsv/aBjpZcTeLmtMZf6fcrvGre9duJdx6e2Tg/YNcnSnARosqev/UwVTzzGNVWXg\n9rItaa0a0aea4se4Bn6QXvOBbcq3+OYZMR6a34hh5BTeNG8WbpwmVahS0WFUsv9G\nswIDAQAB\n-----END PUBLIC KEY-----\n"
+    },
+    "published": "2021-10-29T15:05:51.476984+00:00",
+    "updated": "2021-11-01T12:23:50.151874+00:00"
+  },
+  "cc": [
+    "http://enterprise.lemmy.ml/c/main"
+  ],
+  "type": "Update",
+  "id": "http://ds9.lemmy.ml/activities/update/d3717cf5-096d-473f-9530-5d52f9d51f5f"
+}

crates/apub/assets/lemmy/activities/create_or_update/create_note.json

@@ -0,0 +1,29 @@
+{
+  "actor": "http://ds9.lemmy.ml/u/lemmy_alpha",
+  "to": [
+    "https://www.w3.org/ns/activitystreams#Public"
+  ],
+  "object": {
+    "type": "Note",
+    "id": "http://ds9.lemmy.ml/comment/1",
+    "attributedTo": "http://ds9.lemmy.ml/u/lemmy_alpha",
+    "to": [
+      "https://www.w3.org/ns/activitystreams#Public"
+    ],
+    "content": "hello",
+    "mediaType": "text/html",
+    "source": {
+      "content": "hello",
+      "mediaType": "text/markdown"
+    },
+    "inReplyTo": "http://ds9.lemmy.ml/post/1",
+    "published": "2021-11-01T11:45:49.794920+00:00"
+  },
+  "cc": [
+    "http://enterprise.lemmy.ml/c/main",
+    "http://ds9.lemmy.ml/u/lemmy_alpha"
+  ],
+  "tag": [],
+  "type": "Create",
+  "id": "http://ds9.lemmy.ml/activities/create/1e77d67c-44ac-45ed-bf2a-460e21f60236"
+}

crates/apub/assets/lemmy/activities/create_or_update/create_page.json

@@ -0,0 +1,32 @@
+{
+  "actor": "http://ds9.lemmy.ml/u/lemmy_alpha",
+  "to": [
+    "https://www.w3.org/ns/activitystreams#Public"
+  ],
+  "object": {
+    "type": "Page",
+    "id": "http://ds9.lemmy.ml/post/1",
+    "attributedTo": "http://ds9.lemmy.ml/u/lemmy_alpha",
+    "to": [
+      "http://enterprise.lemmy.ml/c/main",
+      "https://www.w3.org/ns/activitystreams#Public"
+    ],
+    "name": "test post",
+    "content": "<p>test body</p>\n",
+    "mediaType": "text/html",
+    "source": {
+      "content": "test body",
+      "mediaType": "text/markdown"
+    },
+    "url": "https://lemmy.ml/pictrs/image/xl8W7FZfk9.jpg",
+    "commentsEnabled": true,
+    "sensitive": false,
+    "stickied": false,
+    "published": "2021-10-29T15:10:51.557399+00:00"
+  },
+  "cc": [
+    "http://enterprise.lemmy.ml/c/main"
+  ],
+  "type": "Create",
+  "id": "http://ds9.lemmy.ml/activities/create/eee6a57a-622f-464d-b560-73ae1fcd3ddf"
+}

crates/apub/assets/lemmy/activities/create_or_update/update_page.json

@@ -0,0 +1,33 @@
+{
+  "actor": "http://ds9.lemmy.ml/u/lemmy_alpha",
+  "to": [
+    "https://www.w3.org/ns/activitystreams#Public"
+  ],
+  "object": {
+    "type": "Page",
+    "id": "http://ds9.lemmy.ml/post/1",
+    "attributedTo": "http://ds9.lemmy.ml/u/lemmy_alpha",
+    "to": [
+      "http://enterprise.lemmy.ml/c/main",
+      "https://www.w3.org/ns/activitystreams#Public"
+    ],
+    "name": "test post 1",
+    "content": "<p>test body</p>\n",
+    "mediaType": "text/html",
+    "source": {
+      "content": "test body",
+      "mediaType": "text/markdown"
+    },
+    "url": "https://lemmy.ml/pictrs/image/xl8W7FZfk9.jpg",
+    "commentsEnabled": true,
+    "sensitive": false,
+    "stickied": false,
+    "published": "2021-10-29T15:10:51.557399+00:00",
+    "updated": "2021-10-29T15:11:35.976374+00:00"
+  },
+  "cc": [
+    "http://enterprise.lemmy.ml/c/main"
+  ],
+  "type": "Update",
+  "id": "http://ds9.lemmy.ml/activities/update/ab360117-e165-4de4-b7fc-906b62c98631"
+}

crates/apub/assets/lemmy/activities/deletion/delete_page.json

@@ -0,0 +1,12 @@
+{
+  "actor": "http://ds9.lemmy.ml/u/lemmy_alpha",
+  "to": [
+    "https://www.w3.org/ns/activitystreams#Public"
+  ],
+  "object": "http://ds9.lemmy.ml/post/1",
+  "cc": [
+    "http://enterprise.lemmy.ml/c/main"
+  ],
+  "type": "Delete",
+  "id": "http://ds9.lemmy.ml/activities/delete/f2abee48-c7bb-41d5-9e27-8775ff32db12"
+}

crates/apub/assets/lemmy/activities/deletion/remove_note.json

@@ -0,0 +1,13 @@
+{
+  "actor": "http://enterprise.lemmy.ml/u/lemmy_beta",
+  "to": [
+    "https://www.w3.org/ns/activitystreams#Public"
+  ],
+  "object": "http://ds9.lemmy.ml/comment/1",
+  "cc": [
+    "http://enterprise.lemmy.ml/c/main"
+  ],
+  "type": "Delete",
+  "summary": "bad comment",
+  "id": "http://enterprise.lemmy.ml/activities/delete/42ca1a79-f99e-4518-a2ca-ba2df221eb5e"
+}

crates/apub/assets/lemmy/activities/deletion/undo_delete_page.json

@@ -0,0 +1,23 @@
+{
+  "actor": "http://ds9.lemmy.ml/u/lemmy_alpha",
+  "to": [
+    "https://www.w3.org/ns/activitystreams#Public"
+  ],
+  "object": {
+    "actor": "http://ds9.lemmy.ml/u/lemmy_alpha",
+    "to": [
+      "https://www.w3.org/ns/activitystreams#Public"
+    ],
+    "object": "http://ds9.lemmy.ml/post/1",
+    "cc": [
+      "http://enterprise.lemmy.ml/c/main"
+    ],
+    "type": "Delete",
+    "id": "http://ds9.lemmy.ml/activities/delete/b13cca96-7737-41e1-9769-8fbf972b3509"
+  },
+  "cc": [
+    "http://enterprise.lemmy.ml/c/main"
+  ],
+  "type": "Undo",
+  "id": "http://ds9.lemmy.ml/activities/undo/5e939cfb-b8a1-4de8-950f-9d684e9162b9"
+}

crates/apub/assets/lemmy/activities/deletion/undo_remove_note.json

@@ -0,0 +1,24 @@
+{
+  "actor": "http://enterprise.lemmy.ml/u/lemmy_beta",
+  "to": [
+    "https://www.w3.org/ns/activitystreams#Public"
+  ],
+  "object": {
+    "actor": "http://enterprise.lemmy.ml/u/lemmy_beta",
+    "to": [
+      "https://www.w3.org/ns/activitystreams#Public"
+    ],
+    "object": "http://ds9.lemmy.ml/comment/1",
+    "cc": [
+      "http://enterprise.lemmy.ml/c/main"
+    ],
+    "type": "Delete",
+    "summary": "bad comment",
+    "id": "http://enterprise.lemmy.ml/activities/delete/2598435c-87a3-49cd-81f3-a44b03b7af9d"
+  },
+  "cc": [
+    "http://enterprise.lemmy.ml/c/main"
+  ],
+  "type": "Undo",
+  "id": "http://enterprise.lemmy.ml/activities/undo/a850cf21-3866-4b3a-b80b-56aa00997fee"
+}

crates/apub/assets/lemmy/activities/following/accept.json

@@ -0,0 +1,17 @@
+{
+  "actor": "http://enterprise.lemmy.ml/c/main",
+  "to": [
+    "http://ds9.lemmy.ml/u/lemmy_alpha"
+  ],
+  "object": {
+    "actor": "http://ds9.lemmy.ml/u/lemmy_alpha",
+    "to": [
+      "http://enterprise.lemmy.ml/c/main"
+    ],
+    "object": "http://enterprise.lemmy.ml/c/main",
+    "type": "Follow",
+    "id": "http://ds9.lemmy.ml/activities/follow/6abcd50b-b8ca-4952-86b0-a6dd8cc12866"
+  },
+  "type": "Accept",
+  "id": "http://enterprise.lemmy.ml/activities/accept/75f080cc-3d45-4654-8186-8f3bb853fa27"
+}

crates/apub/assets/lemmy/activities/following/follow.json

@@ -0,0 +1,9 @@
+{
+  "actor": "http://ds9.lemmy.ml/u/lemmy_alpha",
+  "to": [
+    "http://enterprise.lemmy.ml/c/main"
+  ],
+  "object": "http://enterprise.lemmy.ml/c/main",
+  "type": "Follow",
+  "id": "http://ds9.lemmy.ml/activities/follow/6abcd50b-b8ca-4952-86b0-a6dd8cc12866"
+}

crates/apub/assets/lemmy/activities/following/undo_follow.json

@@ -0,0 +1,17 @@
+{
+  "actor": "http://ds9.lemmy.ml/u/lemmy_alpha",
+  "to": [
+    "http://enterprise.lemmy.ml/c/main"
+  ],
+  "object": {
+    "actor": "http://ds9.lemmy.ml/u/lemmy_alpha",
+    "to": [
+      "http://enterprise.lemmy.ml/c/main"
+    ],
+    "object": "http://enterprise.lemmy.ml/c/main",
+    "type": "Follow",
+    "id": "http://ds9.lemmy.ml/activities/follow/dc2f1bc5-f3a0-4daa-a46b-428cbfbd023c"
+  },
+  "type": "Undo",
+  "id": "http://ds9.lemmy.ml/activities/undo/dd83c482-8ebd-4b6c-9008-c8373bd1a86a"
+}

crates/apub/assets/lemmy/activities/private_message/create.json

@@ -0,0 +1,23 @@
+{
+  "id": "http://enterprise.lemmy.ml/activities/create/987d05fa-f637-46d7-85be-13d112bc269f",
+  "actor": "http://enterprise.lemmy.ml/u/lemmy_beta",
+  "to": [
+    "http://ds9.lemmy.ml/u/lemmy_alpha"
+  ],
+  "object": {
+    "type": "ChatMessage",
+    "id": "http://enterprise.lemmy.ml/private_message/1",
+    "attributedTo": "http://enterprise.lemmy.ml/u/lemmy_beta",
+    "to": [
+      "http://ds9.lemmy.ml/u/lemmy_alpha"
+    ],
+    "content": "hello",
+    "mediaType": "text/html",
+    "source": {
+      "content": "hello",
+      "mediaType": "text/markdown"
+    },
+    "published": "2021-10-29T15:31:56.058289+00:00"
+  },
+  "type": "Create"
+}

crates/apub/assets/lemmy/activities/private_message/delete.json

@@ -0,0 +1,9 @@
+{
+  "actor": "http://enterprise.lemmy.ml/u/lemmy_beta",
+  "to": [
+    "http://enterprise.lemmy.ml/u/lemmy_beta"
+  ],
+  "object": "http://enterprise.lemmy.ml/private_message/1",
+  "type": "Delete",
+  "id": "http://enterprise.lemmy.ml/activities/delete/041d9858-5eef-4ad9-84ae-7455b4d87ed9"
+}

crates/apub/assets/lemmy/activities/private_message/undo_delete.json

@@ -0,0 +1,17 @@
+{
+  "actor": "http://enterprise.lemmy.ml/u/lemmy_beta",
+  "to": [
+    "http://ds9.lemmy.ml/u/lemmy_alpha"
+  ],
+  "object": {
+    "actor": "http://enterprise.lemmy.ml/u/lemmy_beta",
+    "to": [
+      "http://enterprise.lemmy.ml/u/lemmy_beta"
+    ],
+    "object": "http://enterprise.lemmy.ml/private_message/1",
+    "type": "Delete",
+    "id": "http://enterprise.lemmy.ml/activities/delete/616c41be-04ed-4bd4-b865-30712186b122"
+  },
+  "type": "Undo",
+  "id": "http://enterprise.lemmy.ml/activities/undo/35e5b337-014c-4bbe-8d63-6fac96f51409"
+}

crates/apub/assets/lemmy/activities/voting/dislike_page.json

@@ -0,0 +1,12 @@
+{
+  "actor": "http://enterprise.lemmy.ml/u/lemmy_beta",
+  "to": [
+    "https://www.w3.org/ns/activitystreams#Public"
+  ],
+  "object": "http://ds9.lemmy.ml/post/1",
+  "cc": [
+    "http://enterprise.lemmy.ml/c/main"
+  ],
+  "type": "Dislike",
+  "id": "http://enterprise.lemmy.ml/activities/dislike/64d40d40-a829-43a5-8247-1fb595b3ca1c"
+}

crates/apub/assets/lemmy/activities/voting/like_note.json

@@ -0,0 +1,12 @@
+{
+  "actor": "http://ds9.lemmy.ml/u/lemmy_alpha",
+  "to": [
+    "https://www.w3.org/ns/activitystreams#Public"
+  ],
+  "object": "http://ds9.lemmy.ml/comment/1",
+  "cc": [
+    "http://enterprise.lemmy.ml/c/main"
+  ],
+  "type": "Like",
+  "id": "http://ds9.lemmy.ml/activities/like/fd61d070-7382-46a9-b2b7-6bb253732877"
+}

crates/apub/assets/lemmy/activities/voting/undo_dislike_page.json

@@ -0,0 +1,23 @@
+{
+  "actor": "http://enterprise.lemmy.ml/u/lemmy_beta",
+  "to": [
+    "https://www.w3.org/ns/activitystreams#Public"
+  ],
+  "object": {
+    "actor": "http://enterprise.lemmy.ml/u/lemmy_beta",
+    "to": [
+      "https://www.w3.org/ns/activitystreams#Public"
+    ],
+    "object": "http://ds9.lemmy.ml/post/1",
+    "cc": [
+      "http://enterprise.lemmy.ml/c/main"
+    ],
+    "type": "Like",
+    "id": "http://enterprise.lemmy.ml/activities/like/2227ab2c-79e2-4fca-a1d2-1d67dacf2457"
+  },
+  "cc": [
+    "http://enterprise.lemmy.ml/c/main"
+  ],
+  "type": "Undo",
+  "id": "http://enterprise.lemmy.ml/activities/undo/6cc6fb71-39fe-49ea-9506-f0423b101e98"
+}

crates/apub/assets/lemmy/activities/voting/undo_like_note.json

@@ -0,0 +1,23 @@
+{
+  "actor": "http://ds9.lemmy.ml/u/lemmy_alpha",
+  "to": [
+    "https://www.w3.org/ns/activitystreams#Public"
+  ],
+  "object": {
+    "actor": "http://ds9.lemmy.ml/u/lemmy_alpha",
+    "to": [
+      "https://www.w3.org/ns/activitystreams#Public"
+    ],
+    "object": "http://ds9.lemmy.ml/comment/1",
+    "cc": [
+      "http://enterprise.lemmy.ml/c/main"
+    ],
+    "type": "Like",
+    "id": "http://ds9.lemmy.ml/activities/like/efcf7ae2-dfcc-4ff4-9ce4-6adf251ff004"
+  },
+  "cc": [
+    "http://enterprise.lemmy.ml/c/main"
+  ],
+  "type": "Undo",
+  "id": "http://ds9.lemmy.ml/activities/undo/3518565c-24a7-4d9e-8e0a-f7a2f45ac618"
+}

crates/apub/assets/lemmy/collections/group_followers.json

@@ -0,0 +1,6 @@
+{
+  "id": "http://enterprise.lemmy.ml/c/main/followers",
+  "type": "Collection",
+  "totalItems": 3,
+  "items": []
+}

crates/apub/assets/lemmy/collections/group_moderators.json

@@ -0,0 +1,7 @@
+{
+  "type": "OrderedCollection",
+  "id": "https://enterprise.lemmy.ml/c/tenforward/moderators",
+  "orderedItems": [
+    "https://enterprise.lemmy.ml/u/picard"
+  ]
+}

crates/apub/assets/lemmy/collections/group_outbox.json

@@ -0,0 +1,209 @@
+{
+  "type": "OrderedCollection",
+  "id": "https://ds9.lemmy.ml/c/main/outbox",
+  "totalItems": 7,
+  "orderedItems": [
+    {
+      "actor": "https://ds9.lemmy.ml/u/dess_ds9",
+      "to": [
+        "https://www.w3.org/ns/activitystreams#Public"
+      ],
+      "object": {
+        "type": "Page",
+        "id": "https://ds9.lemmy.ml/post/1685",
+        "attributedTo": "https://ds9.lemmy.ml/u/dess_ds9",
+        "to": [
+          "https://ds9.lemmy.ml/c/main",
+          "https://www.w3.org/ns/activitystreams#Public"
+        ],
+        "name": "Test post",
+        "mediaType": "text/html",
+        "commentsEnabled": true,
+        "sensitive": false,
+        "stickied": false,
+        "published": "2021-09-30T16:37:58.425718+00:00",
+        "updated": "2021-09-30T16:39:50.934055+00:00"
+      },
+      "cc": [
+        "https://ds9.lemmy.ml/c/main"
+      ],
+      "type": "Create",
+      "id": "https://ds9.lemmy.ml/activities/create/157bc329-05cb-4dc3-ad9e-5110fde3f3aa"
+    },
+    {
+      "actor": "https://ds9.lemmy.ml/u/nutomic",
+      "to": [
+        "https://www.w3.org/ns/activitystreams#Public"
+      ],
+      "object": {
+        "type": "Page",
+        "id": "https://ds9.lemmy.ml/post/1665",
+        "attributedTo": "https://ds9.lemmy.ml/u/nutomic",
+        "to": [
+          "https://ds9.lemmy.ml/c/main",
+          "https://www.w3.org/ns/activitystreams#Public"
+        ],
+        "name": "another webmention test",
+        "mediaType": "text/html",
+        "url": "https://webmention.rocks/test/1",
+        "commentsEnabled": true,
+        "sensitive": false,
+        "stickied": false,
+        "published": "2021-09-17T13:22:15.026912+00:00"
+      },
+      "cc": [
+        "https://ds9.lemmy.ml/c/main"
+      ],
+      "type": "Create",
+      "id": "https://ds9.lemmy.ml/activities/create/c54e4509-16ac-42bf-b3b4-0bf8516f8152"
+    },
+    {
+      "actor": "https://ds9.lemmy.ml/u/nutomic",
+      "to": [
+        "https://www.w3.org/ns/activitystreams#Public"
+      ],
+      "object": {
+        "type": "Page",
+        "id": "https://ds9.lemmy.ml/post/1664",
+        "attributedTo": "https://ds9.lemmy.ml/u/nutomic",
+        "to": [
+          "https://ds9.lemmy.ml/c/main",
+          "https://www.w3.org/ns/activitystreams#Public"
+        ],
+        "name": "another test",
+        "mediaType": "text/html",
+        "url": "https://webmention.rocks/test/1",
+        "commentsEnabled": true,
+        "sensitive": false,
+        "stickied": false,
+        "published": "2021-09-17T13:13:21.675891+00:00"
+      },
+      "cc": [
+        "https://ds9.lemmy.ml/c/main"
+      ],
+      "type": "Create",
+      "id": "https://ds9.lemmy.ml/activities/create/25f7d2cb-11d5-4c9c-aa3c-85fbff9f9e0c"
+    },
+    {
+      "actor": "https://ds9.lemmy.ml/u/nutomic",
+      "to": [
+        "https://www.w3.org/ns/activitystreams#Public"
+      ],
+      "object": {
+        "type": "Page",
+        "id": "https://ds9.lemmy.ml/post/1663",
+        "attributedTo": "https://ds9.lemmy.ml/u/nutomic",
+        "to": [
+          "https://ds9.lemmy.ml/c/main",
+          "https://www.w3.org/ns/activitystreams#Public"
+        ],
+        "name": "Webmention test from Lemmy",
+        "mediaType": "text/html",
+        "url": "https://webmention.rocks/test/1",
+        "commentsEnabled": true,
+        "sensitive": false,
+        "stickied": false,
+        "published": "2021-09-17T13:00:15.392844+00:00"
+      },
+      "cc": [
+        "https://ds9.lemmy.ml/c/main"
+      ],
+      "type": "Create",
+      "id": "https://ds9.lemmy.ml/activities/create/cfbd12b8-2e11-42b6-a609-b482decbaf11"
+    },
+    {
+      "actor": "https://ds9.lemmy.ml/u/dess_tester_3",
+      "to": [
+        "https://www.w3.org/ns/activitystreams#Public"
+      ],
+      "object": {
+        "type": "Page",
+        "id": "https://ds9.lemmy.ml/post/1644",
+        "attributedTo": "https://ds9.lemmy.ml/u/dess_tester_3",
+        "to": [
+          "https://ds9.lemmy.ml/c/main",
+          "https://www.w3.org/ns/activitystreams#Public"
+        ],
+        "name": "The best wireless earbuds you can buy right now | Engadget",
+        "mediaType": "text/html",
+        "url": "https://www.engadget.com/best-wireless-earbuds-120058222.html",
+        "image": {
+          "type": "Image",
+          "url": "https://ds9.lemmy.ml/pictrs/image/0WWsYOuwAE.jpg"
+        },
+        "commentsEnabled": true,
+        "sensitive": false,
+        "stickied": false,
+        "published": "2021-08-26T01:22:06.428368+00:00"
+      },
+      "cc": [
+        "https://ds9.lemmy.ml/c/main"
+      ],
+      "type": "Create",
+      "id": "https://ds9.lemmy.ml/activities/create/76c94408-944a-4a2f-a88b-d10f12b472b0"
+    },
+    {
+      "actor": "https://ds9.lemmy.ml/u/dess_ds9",
+      "to": [
+        "https://www.w3.org/ns/activitystreams#Public"
+      ],
+      "object": {
+        "type": "Page",
+        "id": "https://ds9.lemmy.ml/post/1643",
+        "attributedTo": "https://ds9.lemmy.ml/u/dess_ds9",
+        "to": [
+          "https://ds9.lemmy.ml/c/main",
+          "https://www.w3.org/ns/activitystreams#Public"
+        ],
+        "name": "First Look: Cadillac’s luxury EV debut seems like a winner | Engadges",
+        "content": "<p>test</p>\n",
+        "mediaType": "text/html",
+        "source": {
+          "content": "test",
+          "mediaType": "text/markdown"
+        },
+        "url": "https://www.engadget.com/cadillac-lyriq-luxury-ev-first-look-video-171543752.html",
+        "image": {
+          "type": "Image",
+          "url": "https://ds9.lemmy.ml/pictrs/image/gnmtvgXP31.jpg"
+        },
+        "commentsEnabled": true,
+        "sensitive": false,
+        "stickied": false,
+        "published": "2021-08-23T23:43:06.560543+00:00",
+        "updated": "2021-08-23T23:52:51.832606+00:00"
+      },
+      "cc": [
+        "https://ds9.lemmy.ml/c/main"
+      ],
+      "type": "Create",
+      "id": "https://ds9.lemmy.ml/activities/create/b1f95918-f593-4951-91cf-2c3340cd9509"
+    },
+    {
+      "actor": "https://ds9.lemmy.ml/u/dess_ds9_2",
+      "to": [
+        "https://www.w3.org/ns/activitystreams#Public"
+      ],
+      "object": {
+        "type": "Page",
+        "id": "https://ds9.lemmy.ml/post/1642",
+        "attributedTo": "https://ds9.lemmy.ml/u/dess_ds9_2",
+        "to": [
+          "https://ds9.lemmy.ml/c/main",
+          "https://www.w3.org/ns/activitystreams#Public"
+        ],
+        "name": "A test post from DS9",
+        "mediaType": "text/html",
+        "commentsEnabled": true,
+        "sensitive": false,
+        "stickied": false,
+        "published": "2021-08-06T14:10:47.493075+00:00"
+      },
+      "cc": [
+        "https://ds9.lemmy.ml/c/main"
+      ],
+      "type": "Create",
+      "id": "https://ds9.lemmy.ml/activities/create/6359b2e7-badb-4241-b5ee-b093078361bd"
+    }
+  ]
+}

crates/apub/assets/lemmy/collections/person_outbox.json

@@ -0,0 +1,6 @@
+{
+  "type": "OrderedCollection",
+  "id": "http://ds9.lemmy.ml/u/lemmy_alpha/outbox",
+  "orderedItems": [],
+  "totalItems": 0
+}

crates/apub/assets/lemmy/objects/chat_message.json

@@ -0,0 +1,15 @@
+{
+  "id": "https://enterprise.lemmy.ml/private_message/1621",
+  "type": "ChatMessage",
+  "attributedTo": "https://enterprise.lemmy.ml/u/picard",
+  "to": [
+    "https://queer.hacktivis.me/users/lanodan"
+  ],
+  "content": "<p>Hello hello, testing</p>\n",
+  "mediaType": "text/html",
+  "source": {
+    "content": "Hello hello, testing",
+    "mediaType": "text/markdown"
+  },
+  "published": "2021-10-21T10:13:14.597721+00:00"
+}

crates/apub/assets/lemmy/objects/group.json

@@ -1,23 +1,4 @@
 {
-  "@context": [
-    "https://www.w3.org/ns/activitystreams",
-    {
-      "comments_enabled": {
-        "id": "pt:commentsEnabled",
-        "type": "sc:Boolean"
-      },
-      "matrixUserId": {
-        "id": "as:alsoKnownAs",
-        "type": "sc:Text"
-      },
-      "moderators": "as:moderators",
-      "pt": "https://join-lemmy.org#",
-      "sc": "http://schema.org#",
-      "sensitive": "as:sensitive",
-      "stickied": "as:stickied"
-    },
-    "https://w3id.org/security/v1"
-  ],
   "id": "https://enterprise.lemmy.ml/c/tenforward",
   "type": "Group",
   "preferredUsername": "main",

crates/apub/assets/lemmy/objects/note.json

@@ -0,0 +1,15 @@
+{
+  "id": "https://enterprise.lemmy.ml/comment/38741",
+  "type": "Note",
+  "attributedTo": "https://enterprise.lemmy.ml/u/picard",
+  "to": ["https://www.w3.org/ns/activitystreams#Public"],
+  "inReplyTo": "https://enterprise.lemmy.ml/post/55143",
+  "content": "<p>first comment!</p>\n",
+  "mediaType": "text/html",
+  "source": {
+    "content": "first comment!",
+    "mediaType": "text/markdown"
+  },
+  "published": "2021-03-01T13:42:43.966208+00:00",
+  "updated": "2021-03-01T13:43:03.955787+00:00"
+}

crates/apub/assets/lemmy/objects/page.json

@@ -1,23 +1,4 @@
 {
-  "@context": [
-    "https://www.w3.org/ns/activitystreams",
-    {
-      "comments_enabled": {
-        "id": "pt:commentsEnabled",
-        "type": "sc:Boolean"
-      },
-      "matrixUserId": {
-        "id": "as:alsoKnownAs",
-        "type": "sc:Text"
-      },
-      "moderators": "as:moderators",
-      "pt": "https://join-lemmy.org#",
-      "sc": "http://schema.org#",
-      "sensitive": "as:sensitive",
-      "stickied": "as:stickied"
-    },
-    "https://w3id.org/security/v1"
-  ],
   "id": "https://enterprise.lemmy.ml/post/55143",
   "type": "Page",
   "attributedTo": "https://enterprise.lemmy.ml/u/picard",
@@ -32,6 +13,11 @@
     "content": "This is a post in the /c/tenforward community",
     "mediaType": "text/markdown"
   },
+  "url": "https://enterprise.lemmy.ml/pictrs/image/eOtYb9iEiB.png",
+  "image": {
+    "type": "Image",
+    "url": "https://enterprise.lemmy.ml/pictrs/image/eOtYb9iEiB.png"
+  },
   "sensitive": false,
   "commentsEnabled": true,
   "stickied": true,

crates/apub/assets/lemmy/objects/person.json

@@ -1,23 +1,4 @@
 {
-  "@context": [
-    "https://www.w3.org/ns/activitystreams",
-    {
-      "comments_enabled": {
-        "id": "pt:commentsEnabled",
-        "type": "sc:Boolean"
-      },
-      "matrixUserId": {
-        "id": "as:alsoKnownAs",
-        "type": "sc:Text"
-      },
-      "moderators": "as:moderators",
-      "pt": "https://join-lemmy.org#",
-      "sc": "http://schema.org#",
-      "sensitive": "as:sensitive",
-      "stickied": "as:stickied"
-    },
-    "https://w3id.org/security/v1"
-  ],
   "id": "https://enterprise.lemmy.ml/u/picard",
   "type": "Person",
   "preferredUsername": "picard",
@@ -35,6 +16,7 @@
     "type": "Image",
     "url": "https://enterprise.lemmy.ml/pictrs/image/XenaYI5hTn.png"
   },
+  "matrix_user_id": "@picard:matrix.org",
   "inbox": "https://enterprise.lemmy.ml/u/picard/inbox",
   "outbox": "https://enterprise.lemmy.ml/u/picard/outbox",
   "endpoints": {

crates/apub/assets/pleroma/activities/create_note.json

@@ -0,0 +1,52 @@
+{
+  "@context": [
+    "https://www.w3.org/ns/activitystreams",
+    "https://greenish.red/schemas/litepub-0.1.jsonld",
+    {
+      "@language": "und"
+    }
+  ],
+  "actor": "https://greenish.red/users/nutomic",
+  "cc": [
+    "https://greenish.red/users/nutomic/followers"
+  ],
+  "context": "https://greenish.red/contexts/f6244742-0526-4b84-ac4f-ceadf1fb4e56",
+  "context_id": 6336544,
+  "directMessage": false,
+  "id": "https://greenish.red/activities/db61d52b-9c35-486a-bf27-bbd4edc6c6a1",
+  "object": {
+    "actor": "https://greenish.red/users/nutomic",
+    "attachment": [],
+    "attributedTo": "https://greenish.red/users/nutomic",
+    "cc": [
+      "https://greenish.red/users/nutomic/followers"
+    ],
+    "content": "<span class=\"h-card\"><a class=\"u-url mention\" data-user=\"ACimPLEXPDd7enu3cm\" href=\"https://enterprise.lemmy.ml/u/picard\" rel=\"ugc\">@<span>lanodan</span></a></span> test",
+    "context": "https://greenish.red/contexts/f6244742-0526-4b84-ac4f-ceadf1fb4e56",
+    "conversation": "https://greenish.red/contexts/f6244742-0526-4b84-ac4f-ceadf1fb4e56",
+    "id": "https://greenish.red/objects/1a522f2e-d5ab-454b-93d7-e58bc0650c2a",
+    "inReplyTo": "https://enterprise.lemmy.ml/post/55143",
+    "published": "2021-10-26T10:28:35.602455Z",
+    "sensitive": false,
+    "source": "@lanodan@ds9.lemmy.ml test",
+    "summary": "",
+    "tag": [
+      {
+        "href": "https://enterprise.lemmy.ml/u/picard",
+        "name": "@lanodan@ds9.lemmy.ml",
+        "type": "Mention"
+      }
+    ],
+    "to": [
+      "https://enterprise.lemmy.ml/u/picard",
+      "https://www.w3.org/ns/activitystreams#Public"
+    ],
+    "type": "Note"
+  },
+  "published": "2021-10-26T10:28:35.595650Z",
+  "to": [
+    "https://enterprise.lemmy.ml/u/picard",
+    "https://www.w3.org/ns/activitystreams#Public"
+  ],
+  "type": "Create"
+}

crates/apub/src/activities/comment/create_or_update.rs

@@ -1,28 +1,9 @@
-use crate::{
-  activities::{
-    check_community_deleted_or_removed,
-    comment::{collect_non_local_mentions, get_notif_recipients},
-    community::{announce::AnnouncableActivities, send_to_community},
-    extract_community,
-    generate_activity_id,
-    verify_activity,
-    verify_person_in_community,
-    CreateOrUpdateType,
-  },
-  context::lemmy_context,
-  fetcher::object_id::ObjectId,
-  objects::{
-    comment::{ApubComment, Note},
-    community::ApubCommunity,
-    person::ApubPerson,
-  },
-};
-use activitystreams::{base::AnyBase, link::Mention, primitives::OneOrMany, unparsed::Unparsed};
+use activitystreams::public;
+
 use lemmy_api_common::{blocking, check_post_deleted_or_removed};
 use lemmy_apub_lib::{
   data::Data,
-  traits::{ActivityFields, ActivityHandler, ActorType, ApubObject},
-  values::PublicUrl,
+  traits::{ActivityHandler, ActorType, ApubObject},
   verify::verify_domains_match,
 };
 use lemmy_db_schema::{
@@ -31,25 +12,22 @@ use lemmy_db_schema::{
 };
 use lemmy_utils::LemmyError;
 use lemmy_websocket::{send::send_comment_ws_message, LemmyContext, UserOperationCrud};
-use serde::{Deserialize, Serialize};
-use url::Url;
 
-#[derive(Clone, Debug, Deserialize, Serialize, ActivityFields)]
-#[serde(rename_all = "camelCase")]
-pub struct CreateOrUpdateComment {
-  actor: ObjectId<ApubPerson>,
-  to: [PublicUrl; 1],
-  object: Note,
-  cc: Vec<Url>,
-  tag: Vec<Mention>,
-  #[serde(rename = "type")]
-  kind: CreateOrUpdateType,
-  id: Url,
-  #[serde(rename = "@context")]
-  context: OneOrMany<AnyBase>,
-  #[serde(flatten)]
-  unparsed: Unparsed,
-}
+use crate::{
+  activities::{
+    check_community_deleted_or_removed,
+    comment::{collect_non_local_mentions, get_notif_recipients},
+    community::{announce::GetCommunity, send_to_community},
+    generate_activity_id,
+    verify_activity,
+    verify_is_public,
+    verify_person_in_community,
+  },
+  activity_lists::AnnouncableActivities,
+  fetcher::object_id::ObjectId,
+  objects::{comment::ApubComment, community::ApubCommunity, person::ApubPerson},
+  protocol::activities::{create_or_update::comment::CreateOrUpdateComment, CreateOrUpdateType},
+};
 
 impl CreateOrUpdateComment {
   pub async fn send(
@@ -76,13 +54,12 @@ impl CreateOrUpdateComment {
 
     let create_or_update = CreateOrUpdateComment {
       actor: ObjectId::new(actor.actor_id()),
-      to: [PublicUrl::Public],
+      to: vec![public()],
       object: comment.to_apub(context).await?,
       cc: maa.ccs,
       tag: maa.tags,
       kind,
       id: id.clone(),
-      context: lemmy_context(),
       unparsed: Default::default(),
     };
 
@@ -100,12 +77,12 @@ impl ActivityHandler for CreateOrUpdateComment {
     context: &Data<LemmyContext>,
     request_counter: &mut i32,
   ) -> Result<(), LemmyError> {
-    let community = extract_community(&self.cc, context, request_counter).await?;
-    let community_id = ObjectId::new(community.actor_id());
+    verify_is_public(&self.to)?;
     let post = self.object.get_parents(context, request_counter).await?.0;
+    let community = self.get_community(context, request_counter).await?;
 
     verify_activity(self, &context.settings())?;
-    verify_person_in_community(&self.actor, &community_id, context, request_counter).await?;
+    verify_person_in_community(&self.actor, &community, context, request_counter).await?;
     verify_domains_match(self.actor.inner(), self.object.id_unchecked())?;
     check_community_deleted_or_removed(&community)?;
     check_post_deleted_or_removed(&post)?;
@@ -135,3 +112,19 @@ impl ActivityHandler for CreateOrUpdateComment {
     Ok(())
   }
 }
+
+#[async_trait::async_trait(?Send)]
+impl GetCommunity for CreateOrUpdateComment {
+  async fn get_community(
+    &self,
+    context: &LemmyContext,
+    request_counter: &mut i32,
+  ) -> Result<ApubCommunity, LemmyError> {
+    let post = self.object.get_parents(context, request_counter).await?.0;
+    let community = blocking(context.pool(), move |conn| {
+      Community::read(conn, post.community_id)
+    })
+    .await??;
+    Ok(community.into())
+  }
+}

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

@@ -1,28 +1,24 @@
 use crate::{
   activities::{
-    community::{announce::AnnouncableActivities, send_to_community},
+    community::{announce::GetCommunity, get_community_from_moderators_url, send_to_community},
     generate_activity_id,
     verify_activity,
     verify_add_remove_moderator_target,
+    verify_is_public,
     verify_mod_action,
     verify_person_in_community,
   },
-  context::lemmy_context,
+  activity_lists::AnnouncableActivities,
   fetcher::object_id::ObjectId,
   generate_moderators_url,
   objects::{community::ApubCommunity, person::ApubPerson},
+  protocol::activities::community::add_mod::AddMod,
 };
-use activitystreams::{
-  activity::kind::AddType,
-  base::AnyBase,
-  primitives::OneOrMany,
-  unparsed::Unparsed,
-};
+use activitystreams::{activity::kind::AddType, public};
 use lemmy_api_common::blocking;
 use lemmy_apub_lib::{
   data::Data,
-  traits::{ActivityFields, ActivityHandler, ActorType},
-  values::PublicUrl,
+  traits::{ActivityHandler, ActorType},
 };
 use lemmy_db_schema::{
   source::community::{CommunityModerator, CommunityModeratorForm},
@@ -30,25 +26,6 @@ use lemmy_db_schema::{
 };
 use lemmy_utils::LemmyError;
 use lemmy_websocket::LemmyContext;
-use serde::{Deserialize, Serialize};
-use url::Url;
-
-#[derive(Clone, Debug, Deserialize, Serialize, ActivityFields)]
-#[serde(rename_all = "camelCase")]
-pub struct AddMod {
-  actor: ObjectId<ApubPerson>,
-  to: [PublicUrl; 1],
-  object: ObjectId<ApubPerson>,
-  target: Url,
-  cc: [ObjectId<ApubCommunity>; 1],
-  #[serde(rename = "type")]
-  kind: AddType,
-  id: Url,
-  #[serde(rename = "@context")]
-  context: OneOrMany<AnyBase>,
-  #[serde(flatten)]
-  unparsed: Unparsed,
-}
 
 impl AddMod {
   pub async fn send(
@@ -63,13 +40,12 @@ impl AddMod {
     )?;
     let add = AddMod {
       actor: ObjectId::new(actor.actor_id()),
-      to: [PublicUrl::Public],
+      to: vec![public()],
       object: ObjectId::new(added_mod.actor_id()),
       target: generate_moderators_url(&community.actor_id)?.into(),
-      cc: [ObjectId::new(community.actor_id())],
+      cc: vec![community.actor_id()],
       kind: AddType::Add,
       id: id.clone(),
-      context: lemmy_context(),
       unparsed: Default::default(),
     };
 
@@ -88,10 +64,12 @@ impl ActivityHandler for AddMod {
     context: &Data<LemmyContext>,
     request_counter: &mut i32,
   ) -> Result<(), LemmyError> {
+    verify_is_public(&self.to)?;
     verify_activity(self, &context.settings())?;
-    verify_person_in_community(&self.actor, &self.cc[0], context, request_counter).await?;
-    verify_mod_action(&self.actor, &self.cc[0], context, request_counter).await?;
-    verify_add_remove_moderator_target(&self.target, &self.cc[0])?;
+    let community = self.get_community(context, request_counter).await?;
+    verify_person_in_community(&self.actor, &community, context, request_counter).await?;
+    verify_mod_action(&self.actor, &community, context, request_counter).await?;
+    verify_add_remove_moderator_target(&self.target, &community)?;
     Ok(())
   }
 
@@ -100,7 +78,7 @@ impl ActivityHandler for AddMod {
     context: &Data<LemmyContext>,
     request_counter: &mut i32,
   ) -> Result<(), LemmyError> {
-    let community = self.cc[0].dereference(context, request_counter).await?;
+    let community = self.get_community(context, request_counter).await?;
     let new_mod = self.object.dereference(context, request_counter).await?;
 
     // If we had to refetch the community while parsing the activity, then the new mod has already
@@ -124,3 +102,14 @@ impl ActivityHandler for AddMod {
     Ok(())
   }
 }
+
+#[async_trait::async_trait(?Send)]
+impl GetCommunity for AddMod {
+  async fn get_community(
+    &self,
+    context: &LemmyContext,
+    request_counter: &mut i32,
+  ) -> Result<ApubCommunity, LemmyError> {
+    get_community_from_moderators_url(&self.target, context, request_counter).await
+  }
+}

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

@@ -1,76 +1,28 @@
 use crate::{
-  activities::{
-    comment::create_or_update::CreateOrUpdateComment,
-    community::{
-      add_mod::AddMod,
-      block_user::BlockUserFromCommunity,
-      list_community_follower_inboxes,
-      remove_mod::RemoveMod,
-      undo_block_user::UndoBlockUserFromCommunity,
-      update::UpdateCommunity,
-    },
-    deletion::{delete::Delete, undo_delete::UndoDelete},
-    generate_activity_id,
-    post::create_or_update::CreateOrUpdatePost,
-    verify_activity,
-    verify_community,
-    voting::{undo_vote::UndoVote, vote::Vote},
-  },
-  context::lemmy_context,
+  activities::{generate_activity_id, send_lemmy_activity, verify_activity, verify_is_public},
+  activity_lists::AnnouncableActivities,
   fetcher::object_id::ObjectId,
   http::is_activity_already_known,
   insert_activity,
   objects::community::ApubCommunity,
-  send_lemmy_activity,
-  CommunityType,
-};
-use activitystreams::{
-  activity::kind::AnnounceType,
-  base::AnyBase,
-  primitives::OneOrMany,
-  unparsed::Unparsed,
+  protocol::activities::community::announce::AnnounceActivity,
 };
+use activitystreams::{activity::kind::AnnounceType, public};
 use lemmy_apub_lib::{
   data::Data,
   traits::{ActivityFields, ActivityHandler, ActorType},
-  values::PublicUrl,
 };
 use lemmy_utils::LemmyError;
 use lemmy_websocket::LemmyContext;
-use serde::{Deserialize, Serialize};
 use url::Url;
 
-#[derive(Clone, Debug, Deserialize, Serialize, ActivityHandler, ActivityFields)]
-#[serde(untagged)]
-#[activity_handler(LemmyContext)]
-pub enum AnnouncableActivities {
-  CreateOrUpdateComment(CreateOrUpdateComment),
-  CreateOrUpdatePost(Box<CreateOrUpdatePost>),
-  Vote(Vote),
-  UndoVote(UndoVote),
-  Delete(Delete),
-  UndoDelete(UndoDelete),
-  UpdateCommunity(Box<UpdateCommunity>),
-  BlockUserFromCommunity(BlockUserFromCommunity),
-  UndoBlockUserFromCommunity(UndoBlockUserFromCommunity),
-  AddMod(AddMod),
-  RemoveMod(RemoveMod),
-}
-
-#[derive(Clone, Debug, Deserialize, Serialize, ActivityFields)]
-#[serde(rename_all = "camelCase")]
-pub struct AnnounceActivity {
-  actor: ObjectId<ApubCommunity>,
-  to: [PublicUrl; 1],
-  object: AnnouncableActivities,
-  cc: Vec<Url>,
-  #[serde(rename = "type")]
-  kind: AnnounceType,
-  id: Url,
-  #[serde(rename = "@context")]
-  context: OneOrMany<AnyBase>,
-  #[serde(flatten)]
-  unparsed: Unparsed,
+#[async_trait::async_trait(?Send)]
+pub(crate) trait GetCommunity {
+  async fn get_community(
+    &self,
+    context: &LemmyContext,
+    request_counter: &mut i32,
+  ) -> Result<ApubCommunity, LemmyError>;
 }
 
 impl AnnounceActivity {
@@ -82,18 +34,19 @@ impl AnnounceActivity {
   ) -> Result<(), LemmyError> {
     let announce = AnnounceActivity {
       actor: ObjectId::new(community.actor_id()),
-      to: [PublicUrl::Public],
+      to: vec![public()],
       object,
-      cc: vec![community.followers_url()],
+      cc: vec![community.followers_url.clone().into_inner()],
       kind: AnnounceType::Announce,
       id: generate_activity_id(
         &AnnounceType::Announce,
         &context.settings().get_protocol_and_hostname(),
       )?,
-      context: lemmy_context(),
       unparsed: Default::default(),
     };
-    let inboxes = list_community_follower_inboxes(community, additional_inboxes, context).await?;
+    let inboxes = community
+      .get_follower_inboxes(additional_inboxes, context)
+      .await?;
     send_lemmy_activity(context, &announce, &announce.id, community, inboxes, false).await
   }
 }
@@ -106,8 +59,8 @@ impl ActivityHandler for AnnounceActivity {
     context: &Data<LemmyContext>,
     request_counter: &mut i32,
   ) -> Result<(), LemmyError> {
+    verify_is_public(&self.to)?;
     verify_activity(self, &context.settings())?;
-    verify_community(&self.actor, context, request_counter).await?;
     self.object.verify(context, request_counter).await?;
     Ok(())
   }

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

@@ -1,26 +1,22 @@
 use crate::{
   activities::{
-    community::{announce::AnnouncableActivities, send_to_community},
+    community::{announce::GetCommunity, send_to_community},
     generate_activity_id,
     verify_activity,
+    verify_is_public,
     verify_mod_action,
     verify_person_in_community,
   },
-  context::lemmy_context,
+  activity_lists::AnnouncableActivities,
   fetcher::object_id::ObjectId,
   objects::{community::ApubCommunity, person::ApubPerson},
+  protocol::activities::community::block_user::BlockUserFromCommunity,
 };
-use activitystreams::{
-  activity::kind::BlockType,
-  base::AnyBase,
-  primitives::OneOrMany,
-  unparsed::Unparsed,
-};
+use activitystreams::{activity::kind::BlockType, public};
 use lemmy_api_common::blocking;
 use lemmy_apub_lib::{
   data::Data,
-  traits::{ActivityFields, ActivityHandler, ActorType},
-  values::PublicUrl,
+  traits::{ActivityHandler, ActorType},
 };
 use lemmy_db_schema::{
   source::community::{
@@ -33,24 +29,6 @@ use lemmy_db_schema::{
 };
 use lemmy_utils::LemmyError;
 use lemmy_websocket::LemmyContext;
-use serde::{Deserialize, Serialize};
-use url::Url;
-
-#[derive(Clone, Debug, Deserialize, Serialize, ActivityFields)]
-#[serde(rename_all = "camelCase")]
-pub struct BlockUserFromCommunity {
-  actor: ObjectId<ApubPerson>,
-  to: [PublicUrl; 1],
-  pub(in crate::activities::community) object: ObjectId<ApubPerson>,
-  cc: [ObjectId<ApubCommunity>; 1],
-  #[serde(rename = "type")]
-  kind: BlockType,
-  id: Url,
-  #[serde(rename = "@context")]
-  context: OneOrMany<AnyBase>,
-  #[serde(flatten)]
-  unparsed: Unparsed,
-}
 
 impl BlockUserFromCommunity {
   pub(in crate::activities::community) fn new(
@@ -61,15 +39,15 @@ impl BlockUserFromCommunity {
   ) -> Result<BlockUserFromCommunity, LemmyError> {
     Ok(BlockUserFromCommunity {
       actor: ObjectId::new(actor.actor_id()),
-      to: [PublicUrl::Public],
+      to: vec![public()],
       object: ObjectId::new(target.actor_id()),
-      cc: [ObjectId::new(community.actor_id())],
+      cc: vec![community.actor_id()],
+      target: ObjectId::new(community.actor_id()),
       kind: BlockType::Block,
       id: generate_activity_id(
         BlockType::Block,
         &context.settings().get_protocol_and_hostname(),
       )?,
-      context: lemmy_context(),
       unparsed: Default::default(),
     })
   }
@@ -97,9 +75,11 @@ impl ActivityHandler for BlockUserFromCommunity {
     context: &Data<LemmyContext>,
     request_counter: &mut i32,
   ) -> Result<(), LemmyError> {
+    verify_is_public(&self.to)?;
     verify_activity(self, &context.settings())?;
-    verify_person_in_community(&self.actor, &self.cc[0], context, request_counter).await?;
-    verify_mod_action(&self.actor, &self.cc[0], context, request_counter).await?;
+    let community = self.get_community(context, request_counter).await?;
+    verify_person_in_community(&self.actor, &community, context, request_counter).await?;
+    verify_mod_action(&self.actor, &community, context, request_counter).await?;
     Ok(())
   }
 
@@ -108,7 +88,7 @@ impl ActivityHandler for BlockUserFromCommunity {
     context: &Data<LemmyContext>,
     request_counter: &mut i32,
   ) -> Result<(), LemmyError> {
-    let community = self.cc[0].dereference(context, request_counter).await?;
+    let community = self.get_community(context, request_counter).await?;
     let blocked_user = self.object.dereference(context, request_counter).await?;
 
     let community_user_ban_form = CommunityPersonBanForm {
@@ -136,3 +116,14 @@ impl ActivityHandler for BlockUserFromCommunity {
     Ok(())
   }
 }
+
+#[async_trait::async_trait(?Send)]
+impl GetCommunity for BlockUserFromCommunity {
+  async fn get_community(
+    &self,
+    context: &LemmyContext,
+    request_counter: &mut i32,
+  ) -> Result<ApubCommunity, LemmyError> {
+    self.target.dereference(context, request_counter).await
+  }
+}

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

@@ -1,12 +1,11 @@
 use crate::{
-  activities::community::announce::{AnnouncableActivities, AnnounceActivity},
-  check_is_apub_id_valid,
+  activities::send_lemmy_activity,
+  activity_lists::AnnouncableActivities,
+  fetcher::object_id::ObjectId,
   insert_activity,
   objects::community::ApubCommunity,
-  send_lemmy_activity,
-  CommunityType,
+  protocol::activities::community::announce::AnnounceActivity,
 };
-use itertools::Itertools;
 use lemmy_apub_lib::traits::ActorType;
 use lemmy_utils::LemmyError;
 use lemmy_websocket::LemmyContext;
@@ -16,31 +15,10 @@ pub mod add_mod;
 pub mod announce;
 pub mod block_user;
 pub mod remove_mod;
+pub mod report;
 pub mod undo_block_user;
 pub mod update;
 
-async fn list_community_follower_inboxes(
-  community: &ApubCommunity,
-  additional_inboxes: Vec<Url>,
-  context: &LemmyContext,
-) -> Result<Vec<Url>, LemmyError> {
-  Ok(
-    vec![
-      community
-        .get_follower_inboxes(context.pool(), &context.settings())
-        .await?,
-      additional_inboxes,
-    ]
-    .iter()
-    .flatten()
-    .unique()
-    .filter(|inbox| inbox.host_str() != Some(&context.settings().hostname))
-    .filter(|inbox| check_is_apub_id_valid(inbox, false, &context.settings()).is_ok())
-    .map(|inbox| inbox.to_owned())
-    .collect(),
-  )
-}
-
 pub(crate) async fn send_to_community<T: ActorType>(
   activity: AnnouncableActivities,
   activity_id: &Url,
@@ -61,3 +39,14 @@ pub(crate) async fn send_to_community<T: ActorType>(
 
   Ok(())
 }
+
+async fn get_community_from_moderators_url(
+  moderators: &Url,
+  context: &LemmyContext,
+  request_counter: &mut i32,
+) -> Result<ApubCommunity, LemmyError> {
+  let community_id = Url::parse(&moderators.to_string().replace("/moderators", ""))?;
+  ObjectId::new(community_id)
+    .dereference(context, request_counter)
+    .await
+}

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

@@ -1,28 +1,24 @@
 use crate::{
   activities::{
-    community::{announce::AnnouncableActivities, send_to_community},
+    community::{announce::GetCommunity, get_community_from_moderators_url, send_to_community},
     generate_activity_id,
     verify_activity,
     verify_add_remove_moderator_target,
+    verify_is_public,
     verify_mod_action,
     verify_person_in_community,
   },
-  context::lemmy_context,
+  activity_lists::AnnouncableActivities,
   fetcher::object_id::ObjectId,
   generate_moderators_url,
   objects::{community::ApubCommunity, person::ApubPerson},
+  protocol::activities::community::remove_mod::RemoveMod,
 };
-use activitystreams::{
-  activity::kind::RemoveType,
-  base::AnyBase,
-  primitives::OneOrMany,
-  unparsed::Unparsed,
-};
+use activitystreams::{activity::kind::RemoveType, public};
 use lemmy_api_common::blocking;
 use lemmy_apub_lib::{
   data::Data,
-  traits::{ActivityFields, ActivityHandler, ActorType},
-  values::PublicUrl,
+  traits::{ActivityHandler, ActorType},
 };
 use lemmy_db_schema::{
   source::community::{CommunityModerator, CommunityModeratorForm},
@@ -30,26 +26,6 @@ use lemmy_db_schema::{
 };
 use lemmy_utils::LemmyError;
 use lemmy_websocket::LemmyContext;
-use serde::{Deserialize, Serialize};
-use url::Url;
-
-#[derive(Clone, Debug, Deserialize, Serialize, ActivityFields)]
-#[serde(rename_all = "camelCase")]
-pub struct RemoveMod {
-  actor: ObjectId<ApubPerson>,
-  to: [PublicUrl; 1],
-  pub(in crate::activities) object: ObjectId<ApubPerson>,
-  cc: [ObjectId<ApubCommunity>; 1],
-  #[serde(rename = "type")]
-  kind: RemoveType,
-  // if target is set, this is means remove mod from community
-  pub(in crate::activities) target: Url,
-  id: Url,
-  #[serde(rename = "@context")]
-  context: OneOrMany<AnyBase>,
-  #[serde(flatten)]
-  unparsed: Unparsed,
-}
 
 impl RemoveMod {
   pub async fn send(
@@ -64,12 +40,11 @@ impl RemoveMod {
     )?;
     let remove = RemoveMod {
       actor: ObjectId::new(actor.actor_id()),
-      to: [PublicUrl::Public],
+      to: vec![public()],
       object: ObjectId::new(removed_mod.actor_id()),
       target: generate_moderators_url(&community.actor_id)?.into(),
       id: id.clone(),
-      context: lemmy_context(),
-      cc: [ObjectId::new(community.actor_id())],
+      cc: vec![community.actor_id()],
       kind: RemoveType::Remove,
       unparsed: Default::default(),
     };
@@ -88,10 +63,12 @@ impl ActivityHandler for RemoveMod {
     context: &Data<LemmyContext>,
     request_counter: &mut i32,
   ) -> Result<(), LemmyError> {
+    verify_is_public(&self.to)?;
     verify_activity(self, &context.settings())?;
-    verify_person_in_community(&self.actor, &self.cc[0], context, request_counter).await?;
-    verify_mod_action(&self.actor, &self.cc[0], context, request_counter).await?;
-    verify_add_remove_moderator_target(&self.target, &self.cc[0])?;
+    let community = self.get_community(context, request_counter).await?;
+    verify_person_in_community(&self.actor, &community, context, request_counter).await?;
+    verify_mod_action(&self.actor, &community, context, request_counter).await?;
+    verify_add_remove_moderator_target(&self.target, &community)?;
     Ok(())
   }
 
@@ -100,7 +77,7 @@ impl ActivityHandler for RemoveMod {
     context: &Data<LemmyContext>,
     request_counter: &mut i32,
   ) -> Result<(), LemmyError> {
-    let community = self.cc[0].dereference(context, request_counter).await?;
+    let community = self.get_community(context, request_counter).await?;
     let remove_mod = self.object.dereference(context, request_counter).await?;
 
     let form = CommunityModeratorForm {
@@ -115,3 +92,14 @@ impl ActivityHandler for RemoveMod {
     Ok(())
   }
 }
+
+#[async_trait::async_trait(?Send)]
+impl GetCommunity for RemoveMod {
+  async fn get_community(
+    &self,
+    context: &LemmyContext,
+    request_counter: &mut i32,
+  ) -> Result<ApubCommunity, LemmyError> {
+    get_community_from_moderators_url(&self.target, context, request_counter).await
+  }
+}

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

@@ -1,21 +1,9 @@
-use crate::{
-  activities::{generate_activity_id, verify_activity, verify_person_in_community},
-  context::lemmy_context,
-  fetcher::object_id::ObjectId,
-  objects::{community::ApubCommunity, person::ApubPerson},
-  send_lemmy_activity,
-  PostOrComment,
-};
-use activitystreams::{
-  activity::kind::FlagType,
-  base::AnyBase,
-  primitives::OneOrMany,
-  unparsed::Unparsed,
-};
+use activitystreams::activity::kind::FlagType;
+
 use lemmy_api_common::{blocking, comment::CommentReportResponse, post::PostReportResponse};
 use lemmy_apub_lib::{
   data::Data,
-  traits::{ActivityFields, ActivityHandler, ActorType},
+  traits::{ActivityHandler, ActorType},
 };
 use lemmy_db_schema::{
   source::{
@@ -27,24 +15,19 @@ use lemmy_db_schema::{
 use lemmy_db_views::{comment_report_view::CommentReportView, post_report_view::PostReportView};
 use lemmy_utils::LemmyError;
 use lemmy_websocket::{messages::SendModRoomMessage, LemmyContext, UserOperation};
-use serde::{Deserialize, Serialize};
-use url::Url;
 
-#[derive(Clone, Debug, Deserialize, Serialize, ActivityFields)]
-#[serde(rename_all = "camelCase")]
-pub struct Report {
-  actor: ObjectId<ApubPerson>,
-  to: [ObjectId<ApubCommunity>; 1],
-  object: ObjectId<PostOrComment>,
-  summary: String,
-  #[serde(rename = "type")]
-  kind: FlagType,
-  id: Url,
-  #[serde(rename = "@context")]
-  context: OneOrMany<AnyBase>,
-  #[serde(flatten)]
-  unparsed: Unparsed,
-}
+use crate::{
+  activities::{
+    generate_activity_id,
+    send_lemmy_activity,
+    verify_activity,
+    verify_person_in_community,
+  },
+  fetcher::object_id::ObjectId,
+  objects::{community::ApubCommunity, person::ApubPerson},
+  protocol::activities::community::report::Report,
+  PostOrComment,
+};
 
 impl Report {
   pub async fn send(
@@ -67,7 +50,6 @@ impl Report {
       summary: reason,
       kind,
       id: id.clone(),
-      context: lemmy_context(),
       unparsed: Default::default(),
     };
     send_lemmy_activity(
@@ -91,7 +73,8 @@ impl ActivityHandler for Report {
     request_counter: &mut i32,
   ) -> Result<(), LemmyError> {
     verify_activity(self, &context.settings())?;
-    verify_person_in_community(&self.actor, &self.to[0], context, request_counter).await?;
+    let community = self.to[0].dereference(context, request_counter).await?;
+    verify_person_in_community(&self.actor, &community, context, request_counter).await?;
     Ok(())
   }
 

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

@@ -1,30 +1,25 @@
 use crate::{
   activities::{
-    community::{
-      announce::AnnouncableActivities,
-      block_user::BlockUserFromCommunity,
-      send_to_community,
-    },
+    community::{announce::GetCommunity, send_to_community},
     generate_activity_id,
     verify_activity,
+    verify_is_public,
     verify_mod_action,
     verify_person_in_community,
   },
-  context::lemmy_context,
+  activity_lists::AnnouncableActivities,
   fetcher::object_id::ObjectId,
   objects::{community::ApubCommunity, person::ApubPerson},
+  protocol::activities::community::{
+    block_user::BlockUserFromCommunity,
+    undo_block_user::UndoBlockUserFromCommunity,
+  },
 };
-use activitystreams::{
-  activity::kind::UndoType,
-  base::AnyBase,
-  primitives::OneOrMany,
-  unparsed::Unparsed,
-};
+use activitystreams::{activity::kind::UndoType, public};
 use lemmy_api_common::blocking;
 use lemmy_apub_lib::{
   data::Data,
-  traits::{ActivityFields, ActivityHandler, ActorType},
-  values::PublicUrl,
+  traits::{ActivityHandler, ActorType},
 };
 use lemmy_db_schema::{
   source::community::{CommunityPersonBan, CommunityPersonBanForm},
@@ -32,24 +27,6 @@ use lemmy_db_schema::{
 };
 use lemmy_utils::LemmyError;
 use lemmy_websocket::LemmyContext;
-use serde::{Deserialize, Serialize};
-use url::Url;
-
-#[derive(Clone, Debug, Deserialize, Serialize, ActivityFields)]
-#[serde(rename_all = "camelCase")]
-pub struct UndoBlockUserFromCommunity {
-  actor: ObjectId<ApubPerson>,
-  to: [PublicUrl; 1],
-  object: BlockUserFromCommunity,
-  cc: [ObjectId<ApubCommunity>; 1],
-  #[serde(rename = "type")]
-  kind: UndoType,
-  id: Url,
-  #[serde(rename = "@context")]
-  context: OneOrMany<AnyBase>,
-  #[serde(flatten)]
-  unparsed: Unparsed,
-}
 
 impl UndoBlockUserFromCommunity {
   pub async fn send(
@@ -66,12 +43,11 @@ impl UndoBlockUserFromCommunity {
     )?;
     let undo = UndoBlockUserFromCommunity {
       actor: ObjectId::new(actor.actor_id()),
-      to: [PublicUrl::Public],
+      to: vec![public()],
       object: block,
-      cc: [ObjectId::new(community.actor_id())],
+      cc: vec![community.actor_id()],
       kind: UndoType::Undo,
       id: id.clone(),
-      context: lemmy_context(),
       unparsed: Default::default(),
     };
 
@@ -89,9 +65,11 @@ impl ActivityHandler for UndoBlockUserFromCommunity {
     context: &Data<LemmyContext>,
     request_counter: &mut i32,
   ) -> Result<(), LemmyError> {
+    verify_is_public(&self.to)?;
     verify_activity(self, &context.settings())?;
-    verify_person_in_community(&self.actor, &self.cc[0], context, request_counter).await?;
-    verify_mod_action(&self.actor, &self.cc[0], context, request_counter).await?;
+    let community = self.get_community(context, request_counter).await?;
+    verify_person_in_community(&self.actor, &community, context, request_counter).await?;
+    verify_mod_action(&self.actor, &community, context, request_counter).await?;
     self.object.verify(context, request_counter).await?;
     Ok(())
   }
@@ -101,7 +79,7 @@ impl ActivityHandler for UndoBlockUserFromCommunity {
     context: &Data<LemmyContext>,
     request_counter: &mut i32,
   ) -> Result<(), LemmyError> {
-    let community = self.cc[0].dereference(context, request_counter).await?;
+    let community = self.get_community(context, request_counter).await?;
     let blocked_user = self
       .object
       .object
@@ -121,3 +99,14 @@ impl ActivityHandler for UndoBlockUserFromCommunity {
     Ok(())
   }
 }
+
+#[async_trait::async_trait(?Send)]
+impl GetCommunity for UndoBlockUserFromCommunity {
+  async fn get_community(
+    &self,
+    context: &LemmyContext,
+    request_counter: &mut i32,
+  ) -> Result<ApubCommunity, LemmyError> {
+    self.object.get_community(context, request_counter).await
+  }
+}

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

@@ -1,29 +1,22 @@
 use crate::{
   activities::{
-    community::{announce::AnnouncableActivities, send_to_community},
+    community::{announce::GetCommunity, send_to_community},
     generate_activity_id,
     verify_activity,
+    verify_is_public,
     verify_mod_action,
     verify_person_in_community,
   },
-  context::lemmy_context,
+  activity_lists::AnnouncableActivities,
   fetcher::object_id::ObjectId,
-  objects::{
-    community::{ApubCommunity, Group},
-    person::ApubPerson,
-  },
-};
-use activitystreams::{
-  activity::kind::UpdateType,
-  base::AnyBase,
-  primitives::OneOrMany,
-  unparsed::Unparsed,
+  objects::{community::ApubCommunity, person::ApubPerson},
+  protocol::{activities::community::update::UpdateCommunity, objects::group::Group},
 };
+use activitystreams::{activity::kind::UpdateType, public};
 use lemmy_api_common::blocking;
 use lemmy_apub_lib::{
   data::Data,
-  traits::{ActivityFields, ActivityHandler, ActorType, ApubObject},
-  values::PublicUrl,
+  traits::{ActivityHandler, ActorType, ApubObject},
 };
 use lemmy_db_schema::{
   source::community::{Community, CommunityForm},
@@ -31,27 +24,6 @@ use lemmy_db_schema::{
 };
 use lemmy_utils::LemmyError;
 use lemmy_websocket::{send::send_community_ws_message, LemmyContext, UserOperationCrud};
-use serde::{Deserialize, Serialize};
-use url::Url;
-
-/// This activity is received from a remote community mod, and updates the description or other
-/// fields of a local community.
-#[derive(Clone, Debug, Deserialize, Serialize, ActivityFields)]
-#[serde(rename_all = "camelCase")]
-pub struct UpdateCommunity {
-  actor: ObjectId<ApubPerson>,
-  to: [PublicUrl; 1],
-  // TODO: would be nice to use a separate struct here, which only contains the fields updated here
-  object: Group,
-  cc: [ObjectId<ApubCommunity>; 1],
-  #[serde(rename = "type")]
-  kind: UpdateType,
-  id: Url,
-  #[serde(rename = "@context")]
-  context: OneOrMany<AnyBase>,
-  #[serde(flatten)]
-  unparsed: Unparsed,
-}
 
 impl UpdateCommunity {
   pub async fn send(
@@ -65,12 +37,11 @@ impl UpdateCommunity {
     )?;
     let update = UpdateCommunity {
       actor: ObjectId::new(actor.actor_id()),
-      to: [PublicUrl::Public],
+      to: vec![public()],
       object: community.to_apub(context).await?,
-      cc: [ObjectId::new(community.actor_id())],
+      cc: vec![community.actor_id()],
       kind: UpdateType::Update,
       id: id.clone(),
-      context: lemmy_context(),
       unparsed: Default::default(),
     };
 
@@ -87,9 +58,11 @@ impl ActivityHandler for UpdateCommunity {
     context: &Data<LemmyContext>,
     request_counter: &mut i32,
   ) -> Result<(), LemmyError> {
+    verify_is_public(&self.to)?;
     verify_activity(self, &context.settings())?;
-    verify_person_in_community(&self.actor, &self.cc[0], context, request_counter).await?;
-    verify_mod_action(&self.actor, &self.cc[0], context, request_counter).await?;
+    let community = self.get_community(context, request_counter).await?;
+    verify_person_in_community(&self.actor, &community, context, request_counter).await?;
+    verify_mod_action(&self.actor, &community, context, request_counter).await?;
     Ok(())
   }
 
@@ -98,8 +71,7 @@ impl ActivityHandler for UpdateCommunity {
     context: &Data<LemmyContext>,
     request_counter: &mut i32,
   ) -> Result<(), LemmyError> {
-    let cc = self.cc[0].clone();
-    let community = cc.dereference(context, request_counter).await?;
+    let community = self.get_community(context, request_counter).await?;
 
     let updated_community = Group::from_apub_to_form(
       &self.object,
@@ -133,3 +105,15 @@ impl ActivityHandler for UpdateCommunity {
     Ok(())
   }
 }
+
+#[async_trait::async_trait(?Send)]
+impl GetCommunity for UpdateCommunity {
+  async fn get_community(
+    &self,
+    context: &LemmyContext,
+    request_counter: &mut i32,
+  ) -> Result<ApubCommunity, LemmyError> {
+    let cid = ObjectId::new(self.object.id.clone());
+    cid.dereference(context, request_counter).await
+  }
+}

crates/apub/src/activities/deletion/delete.rs

@@ -1,31 +1,11 @@
-use crate::{
-  activities::{
-    community::{announce::AnnouncableActivities, send_to_community},
-    deletion::{
-      receive_delete_action,
-      verify_delete_activity,
-      DeletableObjects,
-      WebsocketMessages,
-    },
-    generate_activity_id,
-    verify_activity,
-  },
-  context::lemmy_context,
-  fetcher::object_id::ObjectId,
-  objects::{community::ApubCommunity, person::ApubPerson},
-};
-use activitystreams::{
-  activity::kind::DeleteType,
-  base::AnyBase,
-  primitives::OneOrMany,
-  unparsed::Unparsed,
-};
+use activitystreams::{activity::kind::DeleteType, public};
 use anyhow::anyhow;
+use url::Url;
+
 use lemmy_api_common::blocking;
 use lemmy_apub_lib::{
   data::Data,
-  traits::{ActivityFields, ActivityHandler, ActorType},
-  values::PublicUrl,
+  traits::{ActivityHandler, ActorType},
 };
 use lemmy_db_schema::{
   source::{
@@ -49,37 +29,25 @@ use lemmy_websocket::{
   LemmyContext,
   UserOperationCrud,
 };
-use serde::{Deserialize, Serialize};
-use serde_with::skip_serializing_none;
-use url::Url;
 
-/// This is very confusing, because there are four distinct cases to handle:
-/// - user deletes their post
-/// - user deletes their comment
-/// - remote community mod deletes local community
-/// - remote community deletes itself (triggered by a mod)
-///
-/// TODO: we should probably change how community deletions work to simplify this. Probably by
-/// wrapping it in an announce just like other activities, instead of having the community send it.
-#[skip_serializing_none]
-#[derive(Clone, Debug, Deserialize, Serialize, ActivityFields)]
-#[serde(rename_all = "camelCase")]
-pub struct Delete {
-  actor: ObjectId<ApubPerson>,
-  to: [PublicUrl; 1],
-  pub(in crate::activities::deletion) object: Url,
-  pub(in crate::activities::deletion) cc: [ObjectId<ApubCommunity>; 1],
-  #[serde(rename = "type")]
-  kind: DeleteType,
-  /// If summary is present, this is a mod action (Remove in Lemmy terms). Otherwise, its a user
-  /// deleting their own content.
-  pub(in crate::activities::deletion) summary: Option<String>,
-  id: Url,
-  #[serde(rename = "@context")]
-  context: OneOrMany<AnyBase>,
-  #[serde(flatten)]
-  unparsed: Unparsed,
-}
+use crate::{
+  activities::{
+    community::{announce::GetCommunity, send_to_community},
+    deletion::{
+      receive_delete_action,
+      verify_delete_activity,
+      DeletableObjects,
+      WebsocketMessages,
+    },
+    generate_activity_id,
+    verify_activity,
+    verify_is_public,
+  },
+  activity_lists::AnnouncableActivities,
+  fetcher::object_id::ObjectId,
+  objects::{community::ApubCommunity, person::ApubPerson},
+  protocol::activities::deletion::delete::Delete,
+};
 
 #[async_trait::async_trait(?Send)]
 impl ActivityHandler for Delete {
@@ -89,11 +57,13 @@ impl ActivityHandler for Delete {
     context: &Data<LemmyContext>,
     request_counter: &mut i32,
   ) -> Result<(), LemmyError> {
+    verify_is_public(&self.to)?;
     verify_activity(self, &context.settings())?;
+    let community = self.get_community(context, request_counter).await?;
     verify_delete_activity(
       &self.object,
       self,
-      &self.cc[0],
+      &community,
       self.summary.is_some(),
       context,
       request_counter,
@@ -144,16 +114,15 @@ impl Delete {
   ) -> Result<Delete, LemmyError> {
     Ok(Delete {
       actor: ObjectId::new(actor.actor_id()),
-      to: [PublicUrl::Public],
+      to: vec![public()],
       object: object_id,
-      cc: [ObjectId::new(community.actor_id())],
+      cc: vec![community.actor_id()],
       kind: DeleteType::Delete,
       summary,
       id: generate_activity_id(
         DeleteType::Delete,
         &context.settings().get_protocol_and_hostname(),
       )?,
-      context: lemmy_context(),
       unparsed: Default::default(),
     })
   }
@@ -243,3 +212,26 @@ pub(in crate::activities) async fn receive_remove_action(
   }
   Ok(())
 }
+
+#[async_trait::async_trait(?Send)]
+impl GetCommunity for Delete {
+  async fn get_community(
+    &self,
+    context: &LemmyContext,
+    _request_counter: &mut i32,
+  ) -> Result<ApubCommunity, LemmyError> {
+    let community_id = match DeletableObjects::read_from_db(&self.object, context).await? {
+      DeletableObjects::Community(c) => c.id,
+      DeletableObjects::Comment(c) => {
+        let post = blocking(context.pool(), move |conn| Post::read(conn, c.post_id)).await??;
+        post.community_id
+      }
+      DeletableObjects::Post(p) => p.community_id,
+    };
+    let community = blocking(context.pool(), move |conn| {
+      Community::read(conn, community_id)
+    })
+    .await??;
+    Ok(community.into())
+  }
+}

crates/apub/src/activities/deletion/mod.rs

@@ -1,12 +1,5 @@
-use crate::{
-  activities::{
-    deletion::{delete::Delete, undo_delete::UndoDelete},
-    verify_mod_action,
-    verify_person_in_community,
-  },
-  fetcher::object_id::ObjectId,
-  objects::{comment::ApubComment, community::ApubCommunity, person::ApubPerson, post::ApubPost},
-};
+use url::Url;
+
 use lemmy_api_common::blocking;
 use lemmy_apub_lib::{
   traits::{ActivityFields, ActorType, ApubObject},
@@ -19,7 +12,13 @@ use lemmy_websocket::{
   LemmyContext,
   UserOperationCrud,
 };
-use url::Url;
+
+use crate::{
+  activities::{verify_mod_action, verify_person_in_community},
+  fetcher::object_id::ObjectId,
+  objects::{comment::ApubComment, community::ApubCommunity, person::ApubPerson, post::ApubPost},
+  protocol::activities::deletion::{delete::Delete, undo_delete::UndoDelete},
+};
 
 pub mod delete;
 pub mod undo_delete;
@@ -82,7 +81,7 @@ impl DeletableObjects {
 pub(in crate::activities) async fn verify_delete_activity(
   object: &Url,
   activity: &dyn ActivityFields,
-  community_id: &ObjectId<ApubCommunity>,
+  community: &ApubCommunity,
   is_mod_action: bool,
   context: &LemmyContext,
   request_counter: &mut i32,
@@ -90,26 +89,20 @@ pub(in crate::activities) async fn verify_delete_activity(
   let object = DeletableObjects::read_from_db(object, context).await?;
   let actor = ObjectId::new(activity.actor().clone());
   match object {
-    DeletableObjects::Community(c) => {
-      if c.local {
+    DeletableObjects::Community(community) => {
+      if community.local {
         // can only do this check for local community, in remote case it would try to fetch the
         // deleted community (which fails)
-        verify_person_in_community(&actor, community_id, context, request_counter).await?;
+        verify_person_in_community(&actor, &community, context, request_counter).await?;
       }
       // community deletion is always a mod (or admin) action
-      verify_mod_action(
-        &actor,
-        &ObjectId::new(c.actor_id()),
-        context,
-        request_counter,
-      )
-      .await?;
+      verify_mod_action(&actor, &community, context, request_counter).await?;
     }
     DeletableObjects::Post(p) => {
       verify_delete_activity_post_or_comment(
         activity,
         &p.ap_id.clone().into(),
-        community_id,
+        community,
         is_mod_action,
         context,
         request_counter,
@@ -120,7 +113,7 @@ pub(in crate::activities) async fn verify_delete_activity(
       verify_delete_activity_post_or_comment(
         activity,
         &c.ap_id.clone().into(),
-        community_id,
+        community,
         is_mod_action,
         context,
         request_counter,
@@ -134,15 +127,15 @@ pub(in crate::activities) async fn verify_delete_activity(
 async fn verify_delete_activity_post_or_comment(
   activity: &dyn ActivityFields,
   object_id: &Url,
-  community_id: &ObjectId<ApubCommunity>,
+  community: &ApubCommunity,
   is_mod_action: bool,
   context: &LemmyContext,
   request_counter: &mut i32,
 ) -> Result<(), LemmyError> {
   let actor = ObjectId::new(activity.actor().clone());
-  verify_person_in_community(&actor, community_id, context, request_counter).await?;
+  verify_person_in_community(&actor, community, context, request_counter).await?;
   if is_mod_action {
-    verify_mod_action(&actor, community_id, context, request_counter).await?;
+    verify_mod_action(&actor, community, context, request_counter).await?;
   } else {
     // domain of post ap_id and post.creator ap_id are identical, so we just check the former
     verify_domains_match(activity.actor(), object_id)?;

crates/apub/src/activities/deletion/undo_delete.rs

@@ -1,32 +1,11 @@
-use crate::{
-  activities::{
-    community::{announce::AnnouncableActivities, send_to_community},
-    deletion::{
-      delete::Delete,
-      receive_delete_action,
-      verify_delete_activity,
-      DeletableObjects,
-      WebsocketMessages,
-    },
-    generate_activity_id,
-    verify_activity,
-  },
-  context::lemmy_context,
-  fetcher::object_id::ObjectId,
-  objects::{community::ApubCommunity, person::ApubPerson},
-};
-use activitystreams::{
-  activity::kind::UndoType,
-  base::AnyBase,
-  primitives::OneOrMany,
-  unparsed::Unparsed,
-};
+use activitystreams::{activity::kind::UndoType, public};
 use anyhow::anyhow;
+use url::Url;
+
 use lemmy_api_common::blocking;
 use lemmy_apub_lib::{
   data::Data,
-  traits::{ActivityFields, ActivityHandler, ActorType},
-  values::PublicUrl,
+  traits::{ActivityHandler, ActorType},
 };
 use lemmy_db_schema::source::{comment::Comment, community::Community, post::Post};
 use lemmy_utils::LemmyError;
@@ -35,24 +14,25 @@ use lemmy_websocket::{
   LemmyContext,
   UserOperationCrud,
 };
-use serde::{Deserialize, Serialize};
-use url::Url;
 
-#[derive(Clone, Debug, Deserialize, Serialize, ActivityFields)]
-#[serde(rename_all = "camelCase")]
-pub struct UndoDelete {
-  actor: ObjectId<ApubPerson>,
-  to: [PublicUrl; 1],
-  object: Delete,
-  cc: [ObjectId<ApubCommunity>; 1],
-  #[serde(rename = "type")]
-  kind: UndoType,
-  id: Url,
-  #[serde(rename = "@context")]
-  context: OneOrMany<AnyBase>,
-  #[serde(flatten)]
-  unparsed: Unparsed,
-}
+use crate::{
+  activities::{
+    community::{announce::GetCommunity, send_to_community},
+    deletion::{
+      receive_delete_action,
+      verify_delete_activity,
+      DeletableObjects,
+      WebsocketMessages,
+    },
+    generate_activity_id,
+    verify_activity,
+    verify_is_public,
+  },
+  activity_lists::AnnouncableActivities,
+  fetcher::object_id::ObjectId,
+  objects::{community::ApubCommunity, person::ApubPerson},
+  protocol::activities::deletion::{delete::Delete, undo_delete::UndoDelete},
+};
 
 #[async_trait::async_trait(?Send)]
 impl ActivityHandler for UndoDelete {
@@ -62,12 +42,14 @@ impl ActivityHandler for UndoDelete {
     context: &Data<LemmyContext>,
     request_counter: &mut i32,
   ) -> Result<(), LemmyError> {
+    verify_is_public(&self.to)?;
     verify_activity(self, &context.settings())?;
     self.object.verify(context, request_counter).await?;
+    let community = self.get_community(context, request_counter).await?;
     verify_delete_activity(
       &self.object.object,
       self,
-      &self.cc[0],
+      &community,
       self.object.summary.is_some(),
       context,
       request_counter,
@@ -117,12 +99,11 @@ impl UndoDelete {
     )?;
     let undo = UndoDelete {
       actor: ObjectId::new(actor.actor_id()),
-      to: [PublicUrl::Public],
+      to: vec![public()],
       object,
-      cc: [ObjectId::new(community.actor_id())],
+      cc: vec![community.actor_id()],
       kind: UndoType::Undo,
       id: id.clone(),
-      context: lemmy_context(),
       unparsed: Default::default(),
     };
 
@@ -164,3 +145,14 @@ impl UndoDelete {
     Ok(())
   }
 }
+
+#[async_trait::async_trait(?Send)]
+impl GetCommunity for UndoDelete {
+  async fn get_community(
+    &self,
+    context: &LemmyContext,
+    request_counter: &mut i32,
+  ) -> Result<ApubCommunity, LemmyError> {
+    self.object.get_community(context, request_counter).await
+  }
+}

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

@@ -1,21 +1,9 @@
 use crate::{
-  activities::{
-    following::follow::FollowCommunity,
-    generate_activity_id,
-    verify_activity,
-    verify_community,
-  },
-  context::lemmy_context,
+  activities::{generate_activity_id, send_lemmy_activity, verify_activity},
   fetcher::object_id::ObjectId,
-  objects::{community::ApubCommunity, person::ApubPerson},
-  send_lemmy_activity,
-};
-use activitystreams::{
-  activity::kind::AcceptType,
-  base::AnyBase,
-  primitives::OneOrMany,
-  unparsed::Unparsed,
+  protocol::activities::following::{accept::AcceptFollowCommunity, follow::FollowCommunity},
 };
+use activitystreams::activity::kind::AcceptType;
 use lemmy_api_common::blocking;
 use lemmy_apub_lib::{
   data::Data,
@@ -25,23 +13,6 @@ use lemmy_apub_lib::{
 use lemmy_db_schema::{source::community::CommunityFollower, traits::Followable};
 use lemmy_utils::LemmyError;
 use lemmy_websocket::LemmyContext;
-use serde::{Deserialize, Serialize};
-use url::Url;
-
-#[derive(Clone, Debug, Deserialize, Serialize, ActivityFields)]
-#[serde(rename_all = "camelCase")]
-pub struct AcceptFollowCommunity {
-  actor: ObjectId<ApubCommunity>,
-  to: ObjectId<ApubPerson>,
-  object: FollowCommunity,
-  #[serde(rename = "type")]
-  kind: AcceptType,
-  id: Url,
-  #[serde(rename = "@context")]
-  context: OneOrMany<AnyBase>,
-  #[serde(flatten)]
-  unparsed: Unparsed,
-}
 
 impl AcceptFollowCommunity {
   pub async fn send(
@@ -57,14 +28,13 @@ impl AcceptFollowCommunity {
       .await?;
     let accept = AcceptFollowCommunity {
       actor: ObjectId::new(community.actor_id()),
-      to: ObjectId::new(person.actor_id()),
+      to: [ObjectId::new(person.actor_id())],
       object: follow,
       kind: AcceptType::Accept,
       id: generate_activity_id(
         AcceptType::Accept,
         &context.settings().get_protocol_and_hostname(),
       )?,
-      context: lemmy_context(),
       unparsed: Default::default(),
     };
     let inbox = vec![person.inbox_url()];
@@ -82,9 +52,8 @@ impl ActivityHandler for AcceptFollowCommunity {
     request_counter: &mut i32,
   ) -> Result<(), LemmyError> {
     verify_activity(self, &context.settings())?;
-    verify_urls_match(self.to.inner(), self.object.actor())?;
-    verify_urls_match(self.actor(), self.object.to.inner())?;
-    verify_community(&self.actor, context, request_counter).await?;
+    verify_urls_match(self.to[0].inner(), self.object.actor())?;
+    verify_urls_match(self.actor(), self.object.to[0].inner())?;
     self.object.verify(context, request_counter).await?;
     Ok(())
   }
@@ -95,7 +64,7 @@ impl ActivityHandler for AcceptFollowCommunity {
     request_counter: &mut i32,
   ) -> Result<(), LemmyError> {
     let actor = self.actor.dereference(context, request_counter).await?;
-    let to = self.to.dereference(context, request_counter).await?;
+    let to = self.to[0].dereference(context, request_counter).await?;
     // This will throw an error if no follow was requested
     blocking(context.pool(), move |conn| {
       CommunityFollower::follow_accepted(conn, actor.id, to.id)

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

@@ -1,25 +1,20 @@
 use crate::{
   activities::{
-    following::accept::AcceptFollowCommunity,
     generate_activity_id,
+    send_lemmy_activity,
     verify_activity,
     verify_person,
+    verify_person_in_community,
   },
-  context::lemmy_context,
   fetcher::object_id::ObjectId,
   objects::{community::ApubCommunity, person::ApubPerson},
-  send_lemmy_activity,
-};
-use activitystreams::{
-  activity::kind::FollowType,
-  base::AnyBase,
-  primitives::OneOrMany,
-  unparsed::Unparsed,
+  protocol::activities::following::{accept::AcceptFollowCommunity, follow::FollowCommunity},
 };
+use activitystreams::activity::kind::FollowType;
 use lemmy_api_common::blocking;
 use lemmy_apub_lib::{
   data::Data,
-  traits::{ActivityFields, ActivityHandler, ActorType},
+  traits::{ActivityHandler, ActorType},
   verify::verify_urls_match,
 };
 use lemmy_db_schema::{
@@ -28,24 +23,6 @@ use lemmy_db_schema::{
 };
 use lemmy_utils::LemmyError;
 use lemmy_websocket::LemmyContext;
-use serde::{Deserialize, Serialize};
-use url::Url;
-
-#[derive(Clone, Debug, Deserialize, Serialize, ActivityFields)]
-#[serde(rename_all = "camelCase")]
-pub struct FollowCommunity {
-  pub(in crate::activities::following) actor: ObjectId<ApubPerson>,
-  // TODO: is there any reason to put the same community id twice, in to and object?
-  pub(in crate::activities::following) to: ObjectId<ApubCommunity>,
-  pub(in crate::activities::following) object: ObjectId<ApubCommunity>,
-  #[serde(rename = "type")]
-  kind: FollowType,
-  id: Url,
-  #[serde(rename = "@context")]
-  context: OneOrMany<AnyBase>,
-  #[serde(flatten)]
-  unparsed: Unparsed,
-}
 
 impl FollowCommunity {
   pub(in crate::activities::following) fn new(
@@ -55,14 +32,13 @@ impl FollowCommunity {
   ) -> Result<FollowCommunity, LemmyError> {
     Ok(FollowCommunity {
       actor: ObjectId::new(actor.actor_id()),
-      to: ObjectId::new(community.actor_id()),
+      to: [ObjectId::new(community.actor_id())],
       object: ObjectId::new(community.actor_id()),
       kind: FollowType::Follow,
       id: generate_activity_id(
         FollowType::Follow,
         &context.settings().get_protocol_and_hostname(),
       )?,
-      context: lemmy_context(),
       unparsed: Default::default(),
     })
   }
@@ -96,8 +72,10 @@ impl ActivityHandler for FollowCommunity {
     request_counter: &mut i32,
   ) -> Result<(), LemmyError> {
     verify_activity(self, &context.settings())?;
-    verify_urls_match(self.to.inner(), self.object.inner())?;
+    verify_urls_match(self.to[0].inner(), self.object.inner())?;
     verify_person(&self.actor, context, request_counter).await?;
+    let community = self.to[0].dereference(context, request_counter).await?;
+    verify_person_in_community(&self.actor, &community, context, request_counter).await?;
     Ok(())
   }
 
@@ -107,7 +85,7 @@ impl ActivityHandler for FollowCommunity {
     request_counter: &mut i32,
   ) -> Result<(), LemmyError> {
     let actor = self.actor.dereference(context, request_counter).await?;
-    let community = self.object.dereference(context, request_counter).await?;
+    let community = self.to[0].dereference(context, request_counter).await?;
     let community_follower_form = CommunityFollowerForm {
       community_id: community.id,
       person_id: actor.id,

crates/apub/src/activities/following/mod.rs

@@ -1,3 +1,3 @@
 pub mod accept;
 pub mod follow;
-pub mod undo;
+pub mod undo_follow;

crates/apub/src/activities/following/undo_follow.rs

@@ -1,21 +1,10 @@
 use crate::{
-  activities::{
-    following::follow::FollowCommunity,
-    generate_activity_id,
-    verify_activity,
-    verify_person,
-  },
-  context::lemmy_context,
+  activities::{generate_activity_id, send_lemmy_activity, verify_activity, verify_person},
   fetcher::object_id::ObjectId,
   objects::{community::ApubCommunity, person::ApubPerson},
-  send_lemmy_activity,
-};
-use activitystreams::{
-  activity::kind::UndoType,
-  base::AnyBase,
-  primitives::OneOrMany,
-  unparsed::Unparsed,
+  protocol::activities::following::{follow::FollowCommunity, undo_follow::UndoFollowCommunity},
 };
+use activitystreams::activity::kind::UndoType;
 use lemmy_api_common::blocking;
 use lemmy_apub_lib::{
   data::Data,
@@ -28,23 +17,6 @@ use lemmy_db_schema::{
 };
 use lemmy_utils::LemmyError;
 use lemmy_websocket::LemmyContext;
-use serde::{Deserialize, Serialize};
-use url::Url;
-
-#[derive(Clone, Debug, Deserialize, Serialize, ActivityFields)]
-#[serde(rename_all = "camelCase")]
-pub struct UndoFollowCommunity {
-  actor: ObjectId<ApubPerson>,
-  to: ObjectId<ApubCommunity>,
-  object: FollowCommunity,
-  #[serde(rename = "type")]
-  kind: UndoType,
-  id: Url,
-  #[serde(rename = "@context")]
-  context: OneOrMany<AnyBase>,
-  #[serde(flatten)]
-  unparsed: Unparsed,
-}
 
 impl UndoFollowCommunity {
   pub async fn send(
@@ -55,14 +27,13 @@ impl UndoFollowCommunity {
     let object = FollowCommunity::new(actor, community, context)?;
     let undo = UndoFollowCommunity {
       actor: ObjectId::new(actor.actor_id()),
-      to: ObjectId::new(community.actor_id()),
+      to: [ObjectId::new(community.actor_id())],
       object,
       kind: UndoType::Undo,
       id: generate_activity_id(
         UndoType::Undo,
         &context.settings().get_protocol_and_hostname(),
       )?,
-      context: lemmy_context(),
       unparsed: Default::default(),
     };
     let inbox = vec![community.shared_inbox_or_inbox_url()];
@@ -79,7 +50,7 @@ impl ActivityHandler for UndoFollowCommunity {
     request_counter: &mut i32,
   ) -> Result<(), LemmyError> {
     verify_activity(self, &context.settings())?;
-    verify_urls_match(self.to.inner(), self.object.object.inner())?;
+    verify_urls_match(self.to[0].inner(), self.object.object.inner())?;
     verify_urls_match(self.actor(), self.object.actor())?;
     verify_person(&self.actor, context, request_counter).await?;
     self.object.verify(context, request_counter).await?;
@@ -92,7 +63,7 @@ impl ActivityHandler for UndoFollowCommunity {
     request_counter: &mut i32,
   ) -> Result<(), LemmyError> {
     let actor = self.actor.dereference(context, request_counter).await?;
-    let community = self.to.dereference(context, request_counter).await?;
+    let community = self.to[0].dereference(context, request_counter).await?;
 
     let community_follower_form = CommunityFollowerForm {
       community_id: community.id,

crates/apub/src/activities/mod.rs

@@ -1,21 +1,28 @@
 use crate::{
-  check_community_or_site_ban,
   check_is_apub_id_valid,
+  context::WithContext,
   fetcher::object_id::ObjectId,
   generate_moderators_url,
+  insert_activity,
   objects::{community::ApubCommunity, person::ApubPerson},
 };
 use activitystreams::public;
 use anyhow::anyhow;
 use lemmy_api_common::blocking;
-use lemmy_apub_lib::{traits::ActivityFields, verify::verify_domains_match};
+use lemmy_apub_lib::{
+  activity_queue::send_activity,
+  traits::{ActivityFields, ActorType},
+  verify::verify_domains_match,
+};
 use lemmy_db_schema::source::community::Community;
-use lemmy_db_views_actor::community_view::CommunityView;
+use lemmy_db_views_actor::{
+  community_person_ban_view::CommunityPersonBanView,
+  community_view::CommunityView,
+};
 use lemmy_utils::{settings::structs::Settings, LemmyError};
 use lemmy_websocket::LemmyContext;
-use serde::{Deserialize, Serialize};
-use std::ops::Deref;
-use strum_macros::ToString;
+use log::info;
+use serde::Serialize;
 use url::{ParseError, Url};
 use uuid::Uuid;
 
@@ -25,15 +32,8 @@ pub mod deletion;
 pub mod following;
 pub mod post;
 pub mod private_message;
-pub mod report;
 pub mod voting;
 
-#[derive(Clone, Debug, ToString, Deserialize, Serialize)]
-pub enum CreateOrUpdateType {
-  Create,
-  Update,
-}
-
 /// Checks that the specified Url actually identifies a Person (by fetching it), and that the person
 /// doesn't have a site ban.
 async fn verify_person(
@@ -48,44 +48,26 @@ async fn verify_person(
   Ok(())
 }
 
-pub(crate) async fn extract_community(
-  cc: &[Url],
-  context: &LemmyContext,
-  request_counter: &mut i32,
-) -> Result<ApubCommunity, LemmyError> {
-  let mut cc_iter = cc.iter();
-  loop {
-    if let Some(cid) = cc_iter.next() {
-      let cid = ObjectId::new(cid.clone());
-      if let Ok(c) = cid.dereference(context, request_counter).await {
-        break Ok(c);
-      }
-    } else {
-      return Err(anyhow!("No community found in cc").into());
-    }
-  }
-}
-
 /// Fetches the person and community to verify their type, then checks if person is banned from site
 /// or community.
 pub(crate) async fn verify_person_in_community(
   person_id: &ObjectId<ApubPerson>,
-  community_id: &ObjectId<ApubCommunity>,
+  community: &ApubCommunity,
   context: &LemmyContext,
   request_counter: &mut i32,
 ) -> Result<(), LemmyError> {
-  let community = community_id.dereference(context, request_counter).await?;
   let person = person_id.dereference(context, request_counter).await?;
-  check_community_or_site_ban(person.deref(), community.id, context.pool()).await
-}
+  if person.banned {
+    return Err(anyhow!("Person is banned from site").into());
+  }
+  let person_id = person.id;
+  let community_id = community.id;
+  let is_banned =
+    move |conn: &'_ _| CommunityPersonBanView::get(conn, person_id, community_id).is_ok();
+  if blocking(context.pool(), is_banned).await? {
+    return Err(anyhow!("Person is banned from community").into());
+  }
 
-/// Simply check that the url actually refers to a valid group.
-async fn verify_community(
-  community_id: &ObjectId<ApubCommunity>,
-  context: &LemmyContext,
-  request_counter: &mut i32,
-) -> Result<(), LemmyError> {
-  community_id.dereference(context, request_counter).await?;
   Ok(())
 }
 
@@ -100,12 +82,10 @@ fn verify_activity(activity: &dyn ActivityFields, settings: &Settings) -> Result
 /// is not federated, we cant verify their actions remotely.
 pub(crate) async fn verify_mod_action(
   actor_id: &ObjectId<ApubPerson>,
-  community_id: &ObjectId<ApubCommunity>,
+  community: &ApubCommunity,
   context: &LemmyContext,
   request_counter: &mut i32,
 ) -> Result<(), LemmyError> {
-  let community = community_id.dereference_local(context).await?;
-
   if community.local {
     let actor = actor_id.dereference(context, request_counter).await?;
 
@@ -128,9 +108,9 @@ pub(crate) async fn verify_mod_action(
 /// /c/community/moderators. Any different values are unsupported.
 fn verify_add_remove_moderator_target(
   target: &Url,
-  community: &ObjectId<ApubCommunity>,
+  community: &ApubCommunity,
 ) -> Result<(), LemmyError> {
-  if target != &generate_moderators_url(&community.clone().into())?.into_inner() {
+  if target != &generate_moderators_url(&community.actor_id)?.into_inner() {
     return Err(anyhow!("Unkown target url").into());
   }
   Ok(())
@@ -165,3 +145,47 @@ where
   );
   Url::parse(&id)
 }
+
+async fn send_lemmy_activity<T: Serialize>(
+  context: &LemmyContext,
+  activity: &T,
+  activity_id: &Url,
+  actor: &dyn ActorType,
+  inboxes: Vec<Url>,
+  sensitive: bool,
+) -> Result<(), LemmyError> {
+  if !context.settings().federation.enabled || inboxes.is_empty() {
+    return Ok(());
+  }
+  let activity = WithContext::new(activity);
+
+  info!("Sending activity {}", activity_id.to_string());
+
+  // Don't send anything to ourselves
+  // TODO: this should be a debug assert
+  let hostname = context.settings().get_hostname_without_port()?;
+  let inboxes: Vec<&Url> = inboxes
+    .iter()
+    .filter(|i| i.domain().expect("valid inbox url") != hostname)
+    .collect();
+
+  let serialised_activity = serde_json::to_string(&activity)?;
+
+  insert_activity(
+    activity_id,
+    serialised_activity.clone(),
+    true,
+    sensitive,
+    context.pool(),
+  )
+  .await?;
+
+  send_activity(
+    serialised_activity,
+    actor,
+    inboxes,
+    context.client(),
+    context.activity_queue(),
+  )
+  .await
+}

crates/apub/src/activities/post/create_or_update.rs

@@ -1,51 +1,31 @@
-use crate::{
-  activities::{
-    check_community_deleted_or_removed,
-    community::{announce::AnnouncableActivities, send_to_community},
-    generate_activity_id,
-    verify_activity,
-    verify_mod_action,
-    verify_person_in_community,
-    CreateOrUpdateType,
-  },
-  context::lemmy_context,
-  fetcher::object_id::ObjectId,
-  objects::{
-    community::ApubCommunity,
-    person::ApubPerson,
-    post::{ApubPost, Page},
-  },
-};
-use activitystreams::{base::AnyBase, primitives::OneOrMany, unparsed::Unparsed};
+use activitystreams::public;
 use anyhow::anyhow;
+
 use lemmy_api_common::blocking;
 use lemmy_apub_lib::{
   data::Data,
   traits::{ActivityFields, ActivityHandler, ActorType, ApubObject},
-  values::PublicUrl,
   verify::{verify_domains_match, verify_urls_match},
 };
 use lemmy_db_schema::{source::community::Community, traits::Crud};
 use lemmy_utils::LemmyError;
 use lemmy_websocket::{send::send_post_ws_message, LemmyContext, UserOperationCrud};
-use serde::{Deserialize, Serialize};
-use url::Url;
 
-#[derive(Clone, Debug, Deserialize, Serialize, ActivityFields)]
-#[serde(rename_all = "camelCase")]
-pub struct CreateOrUpdatePost {
-  actor: ObjectId<ApubPerson>,
-  to: [PublicUrl; 1],
-  object: Page,
-  cc: [ObjectId<ApubCommunity>; 1],
-  #[serde(rename = "type")]
-  kind: CreateOrUpdateType,
-  id: Url,
-  #[serde(rename = "@context")]
-  context: OneOrMany<AnyBase>,
-  #[serde(flatten)]
-  unparsed: Unparsed,
-}
+use crate::{
+  activities::{
+    check_community_deleted_or_removed,
+    community::{announce::GetCommunity, send_to_community},
+    generate_activity_id,
+    verify_activity,
+    verify_is_public,
+    verify_mod_action,
+    verify_person_in_community,
+  },
+  activity_lists::AnnouncableActivities,
+  fetcher::object_id::ObjectId,
+  objects::{community::ApubCommunity, person::ApubPerson, post::ApubPost},
+  protocol::activities::{create_or_update::post::CreateOrUpdatePost, CreateOrUpdateType},
+};
 
 impl CreateOrUpdatePost {
   pub(crate) async fn new(
@@ -61,12 +41,11 @@ impl CreateOrUpdatePost {
     )?;
     Ok(CreateOrUpdatePost {
       actor: ObjectId::new(actor.actor_id()),
-      to: [PublicUrl::Public],
+      to: vec![public()],
       object: post.to_apub(context).await?,
-      cc: [ObjectId::new(community.actor_id())],
+      cc: vec![community.actor_id()],
       kind,
       id: id.clone(),
-      context: lemmy_context(),
       unparsed: Default::default(),
     })
   }
@@ -97,9 +76,10 @@ impl ActivityHandler for CreateOrUpdatePost {
     context: &Data<LemmyContext>,
     request_counter: &mut i32,
   ) -> Result<(), LemmyError> {
+    verify_is_public(&self.to)?;
     verify_activity(self, &context.settings())?;
-    let community = self.cc[0].dereference(context, request_counter).await?;
-    verify_person_in_community(&self.actor, &self.cc[0], context, request_counter).await?;
+    let community = self.get_community(context, request_counter).await?;
+    verify_person_in_community(&self.actor, &community, context, request_counter).await?;
     check_community_deleted_or_removed(&community)?;
 
     match self.kind {
@@ -119,7 +99,7 @@ impl ActivityHandler for CreateOrUpdatePost {
       CreateOrUpdateType::Update => {
         let is_mod_action = self.object.is_mod_action(context).await?;
         if is_mod_action {
-          verify_mod_action(&self.actor, &self.cc[0], context, request_counter).await?;
+          verify_mod_action(&self.actor, &community, context, request_counter).await?;
         } else {
           verify_domains_match(self.actor.inner(), self.object.id_unchecked())?;
           verify_urls_match(self.actor(), self.object.attributed_to.inner())?;
@@ -147,3 +127,17 @@ impl ActivityHandler for CreateOrUpdatePost {
     Ok(())
   }
 }
+
+#[async_trait::async_trait(?Send)]
+impl GetCommunity for CreateOrUpdatePost {
+  async fn get_community(
+    &self,
+    context: &LemmyContext,
+    request_counter: &mut i32,
+  ) -> Result<ApubCommunity, LemmyError> {
+    self
+      .object
+      .extract_community(context, request_counter)
+      .await
+  }
+}

crates/apub/src/activities/private_message/create_or_update.rs

@@ -1,40 +1,21 @@
 use crate::{
-  activities::{generate_activity_id, verify_activity, verify_person, CreateOrUpdateType},
-  context::lemmy_context,
+  activities::{generate_activity_id, send_lemmy_activity, verify_activity, verify_person},
   fetcher::object_id::ObjectId,
-  objects::{
-    person::ApubPerson,
-    private_message::{ApubPrivateMessage, Note},
+  objects::{person::ApubPerson, private_message::ApubPrivateMessage},
+  protocol::activities::{
+    private_message::create_or_update::CreateOrUpdatePrivateMessage,
+    CreateOrUpdateType,
   },
-  send_lemmy_activity,
 };
-use activitystreams::{base::AnyBase, primitives::OneOrMany, unparsed::Unparsed};
 use lemmy_api_common::blocking;
 use lemmy_apub_lib::{
   data::Data,
-  traits::{ActivityFields, ActivityHandler, ActorType, ApubObject},
+  traits::{ActivityHandler, ActorType, ApubObject},
   verify::verify_domains_match,
 };
 use lemmy_db_schema::{source::person::Person, traits::Crud};
 use lemmy_utils::LemmyError;
 use lemmy_websocket::{send::send_pm_ws_message, LemmyContext, UserOperationCrud};
-use serde::{Deserialize, Serialize};
-use url::Url;
-
-#[derive(Clone, Debug, Deserialize, Serialize, ActivityFields)]
-#[serde(rename_all = "camelCase")]
-pub struct CreateOrUpdatePrivateMessage {
-  #[serde(rename = "@context")]
-  pub context: OneOrMany<AnyBase>,
-  id: Url,
-  actor: ObjectId<ApubPerson>,
-  to: ObjectId<ApubPerson>,
-  object: Note,
-  #[serde(rename = "type")]
-  kind: CreateOrUpdateType,
-  #[serde(flatten)]
-  pub unparsed: Unparsed,
-}
 
 impl CreateOrUpdatePrivateMessage {
   pub async fn send(
@@ -54,10 +35,9 @@ impl CreateOrUpdatePrivateMessage {
       &context.settings().get_protocol_and_hostname(),
     )?;
     let create_or_update = CreateOrUpdatePrivateMessage {
-      context: lemmy_context(),
       id: id.clone(),
       actor: ObjectId::new(actor.actor_id()),
-      to: ObjectId::new(recipient.actor_id()),
+      to: [ObjectId::new(recipient.actor_id())],
       object: private_message.to_apub(context).await?,
       kind,
       unparsed: Default::default(),

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

@@ -1,20 +1,14 @@
 use crate::{
-  activities::{generate_activity_id, verify_activity, verify_person},
-  context::lemmy_context,
+  activities::{generate_activity_id, send_lemmy_activity, verify_activity, verify_person},
   fetcher::object_id::ObjectId,
   objects::{person::ApubPerson, private_message::ApubPrivateMessage},
-  send_lemmy_activity,
-};
-use activitystreams::{
-  activity::kind::DeleteType,
-  base::AnyBase,
-  primitives::OneOrMany,
-  unparsed::Unparsed,
+  protocol::activities::private_message::delete::DeletePrivateMessage,
 };
+use activitystreams::activity::kind::DeleteType;
 use lemmy_api_common::blocking;
 use lemmy_apub_lib::{
   data::Data,
-  traits::{ActivityFields, ActivityHandler, ActorType},
+  traits::{ActivityHandler, ActorType},
   verify::verify_domains_match,
 };
 use lemmy_db_schema::{
@@ -23,23 +17,6 @@ use lemmy_db_schema::{
 };
 use lemmy_utils::LemmyError;
 use lemmy_websocket::{send::send_pm_ws_message, LemmyContext, UserOperationCrud};
-use serde::{Deserialize, Serialize};
-use url::Url;
-
-#[derive(Clone, Debug, Deserialize, Serialize, ActivityFields)]
-#[serde(rename_all = "camelCase")]
-pub struct DeletePrivateMessage {
-  actor: ObjectId<ApubPerson>,
-  to: ObjectId<ApubPerson>,
-  pub(in crate::activities::private_message) object: ObjectId<ApubPrivateMessage>,
-  #[serde(rename = "type")]
-  kind: DeleteType,
-  id: Url,
-  #[serde(rename = "@context")]
-  context: OneOrMany<AnyBase>,
-  #[serde(flatten)]
-  unparsed: Unparsed,
-}
 
 impl DeletePrivateMessage {
   pub(in crate::activities::private_message) fn new(
@@ -49,14 +26,13 @@ impl DeletePrivateMessage {
   ) -> Result<DeletePrivateMessage, LemmyError> {
     Ok(DeletePrivateMessage {
       actor: ObjectId::new(actor.actor_id()),
-      to: ObjectId::new(actor.actor_id()),
+      to: [ObjectId::new(actor.actor_id())],
       object: ObjectId::new(pm.ap_id.clone()),
       kind: DeleteType::Delete,
       id: generate_activity_id(
         DeleteType::Delete,
         &context.settings().get_protocol_and_hostname(),
       )?,
-      context: lemmy_context(),
       unparsed: Default::default(),
     })
   }

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

@@ -1,21 +1,13 @@
 use crate::{
-  activities::{
-    generate_activity_id,
-    private_message::delete::DeletePrivateMessage,
-    verify_activity,
-    verify_person,
-  },
-  context::lemmy_context,
+  activities::{generate_activity_id, send_lemmy_activity, verify_activity, verify_person},
   fetcher::object_id::ObjectId,
   objects::{person::ApubPerson, private_message::ApubPrivateMessage},
-  send_lemmy_activity,
-};
-use activitystreams::{
-  activity::kind::UndoType,
-  base::AnyBase,
-  primitives::OneOrMany,
-  unparsed::Unparsed,
+  protocol::activities::private_message::{
+    delete::DeletePrivateMessage,
+    undo_delete::UndoDeletePrivateMessage,
+  },
 };
+use activitystreams::activity::kind::UndoType;
 use lemmy_api_common::blocking;
 use lemmy_apub_lib::{
   data::Data,
@@ -28,23 +20,6 @@ use lemmy_db_schema::{
 };
 use lemmy_utils::LemmyError;
 use lemmy_websocket::{send::send_pm_ws_message, LemmyContext, UserOperationCrud};
-use serde::{Deserialize, Serialize};
-use url::Url;
-
-#[derive(Clone, Debug, Deserialize, Serialize, ActivityFields)]
-#[serde(rename_all = "camelCase")]
-pub struct UndoDeletePrivateMessage {
-  actor: ObjectId<ApubPerson>,
-  to: ObjectId<ApubPerson>,
-  object: DeletePrivateMessage,
-  #[serde(rename = "type")]
-  kind: UndoType,
-  id: Url,
-  #[serde(rename = "@context")]
-  context: OneOrMany<AnyBase>,
-  #[serde(flatten)]
-  unparsed: Unparsed,
-}
 
 impl UndoDeletePrivateMessage {
   pub async fn send(
@@ -65,11 +40,10 @@ impl UndoDeletePrivateMessage {
     )?;
     let undo = UndoDeletePrivateMessage {
       actor: ObjectId::new(actor.actor_id()),
-      to: ObjectId::new(recipient.actor_id()),
+      to: [ObjectId::new(recipient.actor_id())],
       object,
       kind: UndoType::Undo,
       id: id.clone(),
-      context: lemmy_context(),
       unparsed: Default::default(),
     };
     let inbox = vec![recipient.shared_inbox_or_inbox_url()];

crates/apub/src/activities/voting/mod.rs

@@ -1,7 +1,3 @@
-use crate::{
-  activities::voting::vote::VoteType,
-  objects::{comment::ApubComment, person::ApubPerson, post::ApubPost},
-};
 use lemmy_api_common::blocking;
 use lemmy_db_schema::{
   source::{
@@ -17,6 +13,11 @@ use lemmy_websocket::{
   UserOperation,
 };
 
+use crate::{
+  objects::{comment::ApubComment, person::ApubPerson, post::ApubPost},
+  protocol::activities::voting::vote::VoteType,
+};
+
 pub mod undo_vote;
 pub mod vote;
 

crates/apub/src/activities/voting/undo_vote.rs

@@ -1,55 +1,35 @@
-use crate::{
-  activities::{
-    community::{announce::AnnouncableActivities, send_to_community},
-    generate_activity_id,
-    verify_activity,
-    verify_person_in_community,
-    voting::{
-      undo_vote_comment,
-      undo_vote_post,
-      vote::{Vote, VoteType},
-    },
-  },
-  context::lemmy_context,
-  fetcher::object_id::ObjectId,
-  objects::{community::ApubCommunity, person::ApubPerson},
-  PostOrComment,
-};
-use activitystreams::{
-  activity::kind::UndoType,
-  base::AnyBase,
-  primitives::OneOrMany,
-  unparsed::Unparsed,
-};
+use std::ops::Deref;
+
+use activitystreams::{activity::kind::UndoType, public};
+
 use lemmy_api_common::blocking;
 use lemmy_apub_lib::{
   data::Data,
   traits::{ActivityFields, ActivityHandler, ActorType},
-  values::PublicUrl,
   verify::verify_urls_match,
 };
 use lemmy_db_schema::{newtypes::CommunityId, source::community::Community, traits::Crud};
 use lemmy_utils::LemmyError;
 use lemmy_websocket::LemmyContext;
-use serde::{Deserialize, Serialize};
-use std::ops::Deref;
-use url::Url;
 
-#[derive(Clone, Debug, Deserialize, Serialize, ActivityFields)]
-#[serde(rename_all = "camelCase")]
-pub struct UndoVote {
-  actor: ObjectId<ApubPerson>,
-  to: [PublicUrl; 1],
-  object: Vote,
-  cc: [ObjectId<ApubCommunity>; 1],
-  #[serde(rename = "type")]
-  kind: UndoType,
-  id: Url,
-  #[serde(rename = "@context")]
-  context: OneOrMany<AnyBase>,
-  #[serde(flatten)]
-  unparsed: Unparsed,
-}
+use crate::{
+  activities::{
+    community::{announce::GetCommunity, send_to_community},
+    generate_activity_id,
+    verify_activity,
+    verify_is_public,
+    verify_person_in_community,
+    voting::{undo_vote_comment, undo_vote_post},
+  },
+  activity_lists::AnnouncableActivities,
+  fetcher::object_id::ObjectId,
+  objects::{community::ApubCommunity, person::ApubPerson},
+  protocol::activities::voting::{
+    undo_vote::UndoVote,
+    vote::{Vote, VoteType},
+  },
+  PostOrComment,
+};
 
 impl UndoVote {
   pub async fn send(
@@ -72,12 +52,11 @@ impl UndoVote {
     )?;
     let undo_vote = UndoVote {
       actor: ObjectId::new(actor.actor_id()),
-      to: [PublicUrl::Public],
+      to: vec![public()],
       object,
-      cc: [ObjectId::new(community.actor_id())],
+      cc: vec![community.actor_id()],
       kind: UndoType::Undo,
       id: id.clone(),
-      context: lemmy_context(),
       unparsed: Default::default(),
     };
     let activity = AnnouncableActivities::UndoVote(undo_vote);
@@ -93,8 +72,10 @@ impl ActivityHandler for UndoVote {
     context: &Data<LemmyContext>,
     request_counter: &mut i32,
   ) -> Result<(), LemmyError> {
+    verify_is_public(&self.to)?;
     verify_activity(self, &context.settings())?;
-    verify_person_in_community(&self.actor, &self.cc[0], context, request_counter).await?;
+    let community = self.get_community(context, request_counter).await?;
+    verify_person_in_community(&self.actor, &community, context, request_counter).await?;
     verify_urls_match(self.actor(), self.object.actor())?;
     self.object.verify(context, request_counter).await?;
     Ok(())
@@ -117,3 +98,14 @@ impl ActivityHandler for UndoVote {
     }
   }
 }
+
+#[async_trait::async_trait(?Send)]
+impl GetCommunity for UndoVote {
+  async fn get_community(
+    &self,
+    context: &LemmyContext,
+    request_counter: &mut i32,
+  ) -> Result<ApubCommunity, LemmyError> {
+    self.object.get_community(context, request_counter).await
+  }
+}

crates/apub/src/activities/voting/vote.rs

@@ -1,74 +1,35 @@
-use crate::{
-  activities::{
-    community::{announce::AnnouncableActivities, send_to_community},
-    generate_activity_id,
-    verify_activity,
-    verify_person_in_community,
-    voting::{vote_comment, vote_post},
-  },
-  context::lemmy_context,
-  fetcher::object_id::ObjectId,
-  objects::{community::ApubCommunity, person::ApubPerson},
-  PostOrComment,
-};
-use activitystreams::{base::AnyBase, primitives::OneOrMany, unparsed::Unparsed};
-use anyhow::anyhow;
+use std::ops::Deref;
+
+use activitystreams::public;
+
 use lemmy_api_common::blocking;
 use lemmy_apub_lib::{
   data::Data,
-  traits::{ActivityFields, ActivityHandler, ActorType},
-  values::PublicUrl,
+  traits::{ActivityHandler, ActorType},
+};
+use lemmy_db_schema::{
+  newtypes::CommunityId,
+  source::{community::Community, post::Post},
+  traits::Crud,
 };
-use lemmy_db_schema::{newtypes::CommunityId, source::community::Community, traits::Crud};
 use lemmy_utils::LemmyError;
 use lemmy_websocket::LemmyContext;
-use serde::{Deserialize, Serialize};
-use std::{convert::TryFrom, ops::Deref};
-use strum_macros::ToString;
-use url::Url;
 
-#[derive(Clone, Debug, ToString, Deserialize, Serialize)]
-pub enum VoteType {
-  Like,
-  Dislike,
-}
-
-impl TryFrom<i16> for VoteType {
-  type Error = LemmyError;
-
-  fn try_from(value: i16) -> Result<Self, Self::Error> {
-    match value {
-      1 => Ok(VoteType::Like),
-      -1 => Ok(VoteType::Dislike),
-      _ => Err(anyhow!("invalid vote value").into()),
-    }
-  }
-}
-
-impl From<&VoteType> for i16 {
-  fn from(value: &VoteType) -> i16 {
-    match value {
-      VoteType::Like => 1,
-      VoteType::Dislike => -1,
-    }
-  }
-}
-
-#[derive(Clone, Debug, Deserialize, Serialize, ActivityFields)]
-#[serde(rename_all = "camelCase")]
-pub struct Vote {
-  actor: ObjectId<ApubPerson>,
-  to: [PublicUrl; 1],
-  pub(in crate::activities::voting) object: ObjectId<PostOrComment>,
-  cc: [ObjectId<ApubCommunity>; 1],
-  #[serde(rename = "type")]
-  pub(in crate::activities::voting) kind: VoteType,
-  id: Url,
-  #[serde(rename = "@context")]
-  context: OneOrMany<AnyBase>,
-  #[serde(flatten)]
-  unparsed: Unparsed,
-}
+use crate::{
+  activities::{
+    community::{announce::GetCommunity, send_to_community},
+    generate_activity_id,
+    verify_activity,
+    verify_is_public,
+    verify_person_in_community,
+    voting::{vote_comment, vote_post},
+  },
+  activity_lists::AnnouncableActivities,
+  fetcher::object_id::ObjectId,
+  objects::{community::ApubCommunity, person::ApubPerson},
+  protocol::activities::voting::vote::{Vote, VoteType},
+  PostOrComment,
+};
 
 impl Vote {
   pub(in crate::activities::voting) fn new(
@@ -80,12 +41,11 @@ impl Vote {
   ) -> Result<Vote, LemmyError> {
     Ok(Vote {
       actor: ObjectId::new(actor.actor_id()),
-      to: [PublicUrl::Public],
+      to: vec![public()],
       object: ObjectId::new(object.ap_id()),
-      cc: [ObjectId::new(community.actor_id())],
+      cc: vec![community.actor_id()],
       kind: kind.clone(),
       id: generate_activity_id(kind, &context.settings().get_protocol_and_hostname())?,
-      context: lemmy_context(),
       unparsed: Default::default(),
     })
   }
@@ -118,8 +78,10 @@ impl ActivityHandler for Vote {
     context: &Data<LemmyContext>,
     request_counter: &mut i32,
   ) -> Result<(), LemmyError> {
+    verify_is_public(&self.to)?;
     verify_activity(self, &context.settings())?;
-    verify_person_in_community(&self.actor, &self.cc[0], context, request_counter).await?;
+    let community = self.get_community(context, request_counter).await?;
+    verify_person_in_community(&self.actor, &community, context, request_counter).await?;
     Ok(())
   }
 
@@ -136,3 +98,24 @@ impl ActivityHandler for Vote {
     }
   }
 }
+
+#[async_trait::async_trait(?Send)]
+impl GetCommunity for Vote {
+  async fn get_community(
+    &self,
+    context: &LemmyContext,
+    request_counter: &mut i32,
+  ) -> Result<ApubCommunity, LemmyError> {
+    let object = self.object.dereference(context, request_counter).await?;
+    let cid = match object {
+      PostOrComment::Post(p) => p.community_id,
+      PostOrComment::Comment(c) => {
+        blocking(context.pool(), move |conn| Post::read(conn, c.post_id))
+          .await??
+          .community_id
+      }
+    };
+    let community = blocking(context.pool(), move |conn| Community::read(conn, cid)).await??;
+    Ok(community.into())
+  }
+}

crates/apub/src/activity_lists.rs

@@ -0,0 +1,107 @@
+use crate::{
+  activities::community::announce::GetCommunity,
+  objects::community::ApubCommunity,
+  protocol::activities::{
+    community::{
+      add_mod::AddMod,
+      announce::AnnounceActivity,
+      block_user::BlockUserFromCommunity,
+      remove_mod::RemoveMod,
+      report::Report,
+      undo_block_user::UndoBlockUserFromCommunity,
+      update::UpdateCommunity,
+    },
+    create_or_update::{comment::CreateOrUpdateComment, post::CreateOrUpdatePost},
+    deletion::{delete::Delete, undo_delete::UndoDelete},
+    following::{
+      accept::AcceptFollowCommunity,
+      follow::FollowCommunity,
+      undo_follow::UndoFollowCommunity,
+    },
+    private_message::{
+      create_or_update::CreateOrUpdatePrivateMessage,
+      delete::DeletePrivateMessage,
+      undo_delete::UndoDeletePrivateMessage,
+    },
+    voting::{undo_vote::UndoVote, vote::Vote},
+  },
+};
+use lemmy_apub_lib::traits::{ActivityFields, ActivityHandler};
+use lemmy_utils::LemmyError;
+use lemmy_websocket::LemmyContext;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, Deserialize, Serialize, ActivityHandler, ActivityFields)]
+#[serde(untagged)]
+#[activity_handler(LemmyContext)]
+pub enum SharedInboxActivities {
+  GroupInboxActivities(GroupInboxActivities),
+  // Note, pm activities need to be at the end, otherwise comments will end up here. We can probably
+  // avoid this problem by replacing createpm.object with our own struct, instead of NoteExt.
+  PersonInboxActivities(PersonInboxActivities),
+}
+
+#[derive(Clone, Debug, Deserialize, Serialize, ActivityHandler, ActivityFields)]
+#[serde(untagged)]
+#[activity_handler(LemmyContext)]
+pub enum GroupInboxActivities {
+  FollowCommunity(FollowCommunity),
+  UndoFollowCommunity(UndoFollowCommunity),
+  AnnouncableActivities(AnnouncableActivities),
+  Report(Report),
+}
+
+#[derive(Clone, Debug, Deserialize, Serialize, ActivityHandler, ActivityFields)]
+#[serde(untagged)]
+#[activity_handler(LemmyContext)]
+pub enum PersonInboxActivities {
+  AcceptFollowCommunity(AcceptFollowCommunity),
+  /// Some activities can also be sent from user to user, eg a comment with mentions
+  AnnouncableActivities(AnnouncableActivities),
+  CreateOrUpdatePrivateMessage(CreateOrUpdatePrivateMessage),
+  DeletePrivateMessage(DeletePrivateMessage),
+  UndoDeletePrivateMessage(UndoDeletePrivateMessage),
+  AnnounceActivity(Box<AnnounceActivity>),
+}
+
+#[derive(Clone, Debug, Deserialize, Serialize, ActivityHandler, ActivityFields)]
+#[serde(untagged)]
+#[activity_handler(LemmyContext)]
+pub enum AnnouncableActivities {
+  CreateOrUpdateComment(CreateOrUpdateComment),
+  CreateOrUpdatePost(Box<CreateOrUpdatePost>),
+  Vote(Vote),
+  UndoVote(UndoVote),
+  Delete(Delete),
+  UndoDelete(UndoDelete),
+  UpdateCommunity(Box<UpdateCommunity>),
+  BlockUserFromCommunity(BlockUserFromCommunity),
+  UndoBlockUserFromCommunity(UndoBlockUserFromCommunity),
+  AddMod(AddMod),
+  RemoveMod(RemoveMod),
+}
+
+#[async_trait::async_trait(?Send)]
+impl GetCommunity for AnnouncableActivities {
+  async fn get_community(
+    &self,
+    context: &LemmyContext,
+    request_counter: &mut i32,
+  ) -> Result<ApubCommunity, LemmyError> {
+    use AnnouncableActivities::*;
+    let community = match self {
+      CreateOrUpdateComment(a) => a.get_community(context, request_counter).await?,
+      CreateOrUpdatePost(a) => a.get_community(context, request_counter).await?,
+      Vote(a) => a.get_community(context, request_counter).await?,
+      UndoVote(a) => a.get_community(context, request_counter).await?,
+      Delete(a) => a.get_community(context, request_counter).await?,
+      UndoDelete(a) => a.get_community(context, request_counter).await?,
+      UpdateCommunity(a) => a.get_community(context, request_counter).await?,
+      BlockUserFromCommunity(a) => a.get_community(context, request_counter).await?,
+      UndoBlockUserFromCommunity(a) => a.get_community(context, request_counter).await?,
+      AddMod(a) => a.get_community(context, request_counter).await?,
+      RemoveMod(a) => a.get_community(context, request_counter).await?,
+    };
+    Ok(community)
+  }
+}

crates/apub/src/collections/community_moderators.rs

@@ -1,17 +1,11 @@
 use crate::{
   collections::CommunityContext,
-  context::lemmy_context,
   fetcher::object_id::ObjectId,
   generate_moderators_url,
   objects::person::ApubPerson,
+  protocol::collections::group_moderators::GroupModerators,
 };
-use activitystreams::{
-  base::AnyBase,
-  chrono::NaiveDateTime,
-  collection::kind::OrderedCollectionType,
-  primitives::OneOrMany,
-  url::Url,
-};
+use activitystreams::{chrono::NaiveDateTime, collection::kind::OrderedCollectionType};
 use lemmy_api_common::blocking;
 use lemmy_apub_lib::{traits::ApubObject, verify::verify_domains_match};
 use lemmy_db_schema::{
@@ -20,19 +14,7 @@ use lemmy_db_schema::{
 };
 use lemmy_db_views_actor::community_moderator_view::CommunityModeratorView;
 use lemmy_utils::LemmyError;
-use serde::{Deserialize, Serialize};
-use serde_with::skip_serializing_none;
-
-#[skip_serializing_none]
-#[derive(Clone, Debug, Deserialize, Serialize)]
-#[serde(rename_all = "camelCase")]
-pub struct GroupModerators {
-  #[serde(rename = "@context")]
-  context: OneOrMany<AnyBase>,
-  r#type: OrderedCollectionType,
-  id: Url,
-  ordered_items: Vec<ObjectId<ApubPerson>>,
-}
+use url::Url;
 
 #[derive(Clone, Debug)]
 pub(crate) struct ApubCommunityModerators(pub(crate) Vec<CommunityModeratorView>);
@@ -75,7 +57,6 @@ impl ApubObject for ApubCommunityModerators {
       .map(|m| ObjectId::<ApubPerson>::new(m.moderator.actor_id.clone().into_inner()))
       .collect();
     Ok(GroupModerators {
-      context: lemmy_context(),
       r#type: OrderedCollectionType::OrderedCollection,
       id: generate_moderators_url(&data.0.actor_id)?.into(),
       ordered_items,
@@ -139,3 +120,74 @@ impl ApubObject for ApubCommunityModerators {
     Ok(ApubCommunityModerators { 0: vec![] })
   }
 }
+
+#[cfg(test)]
+mod tests {
+  use super::*;
+  use crate::objects::{
+    community::tests::parse_lemmy_community,
+    person::tests::parse_lemmy_person,
+    tests::{file_to_json_object, init_context},
+  };
+  use lemmy_db_schema::{
+    source::{
+      community::Community,
+      person::{Person, PersonForm},
+    },
+    traits::Crud,
+  };
+  use serial_test::serial;
+
+  #[actix_rt::test]
+  #[serial]
+  async fn test_parse_lemmy_community_moderators() {
+    let context = init_context();
+    let community = parse_lemmy_community(&context).await;
+    let community_id = community.id;
+
+    let old_mod = PersonForm {
+      name: "holly".into(),
+      ..PersonForm::default()
+    };
+    let old_mod = Person::create(&context.pool().get().unwrap(), &old_mod).unwrap();
+    let community_moderator_form = CommunityModeratorForm {
+      community_id: community.id,
+      person_id: old_mod.id,
+    };
+
+    CommunityModerator::join(&context.pool().get().unwrap(), &community_moderator_form).unwrap();
+
+    let new_mod = parse_lemmy_person(&context).await;
+
+    let json: GroupModerators =
+      file_to_json_object("assets/lemmy/collections/group_moderators.json");
+    let url = Url::parse("https://enterprise.lemmy.ml/c/tenforward").unwrap();
+    let mut request_counter = 0;
+    let community_context = CommunityContext {
+      0: community,
+      1: context,
+    };
+    ApubCommunityModerators::from_apub(&json, &community_context, &url, &mut request_counter)
+      .await
+      .unwrap();
+    assert_eq!(request_counter, 0);
+
+    let current_moderators = blocking(community_context.1.pool(), move |conn| {
+      CommunityModeratorView::for_community(conn, community_id)
+    })
+    .await
+    .unwrap()
+    .unwrap();
+
+    assert_eq!(current_moderators.len(), 1);
+    assert_eq!(current_moderators[0].moderator.id, new_mod.id);
+
+    Person::delete(&*community_context.1.pool().get().unwrap(), old_mod.id).unwrap();
+    Person::delete(&*community_context.1.pool().get().unwrap(), new_mod.id).unwrap();
+    Community::delete(
+      &*community_context.1.pool().get().unwrap(),
+      community_context.0.id,
+    )
+    .unwrap();
+  }
+}

crates/apub/src/collections/community_outbox.rs

@@ -1,17 +1,7 @@
-use crate::{
-  activities::{post::create_or_update::CreateOrUpdatePost, CreateOrUpdateType},
-  collections::CommunityContext,
-  context::lemmy_context,
-  generate_outbox_url,
-  objects::{person::ApubPerson, post::ApubPost},
-};
-use activitystreams::{
-  base::AnyBase,
-  chrono::NaiveDateTime,
-  collection::kind::OrderedCollectionType,
-  primitives::OneOrMany,
-  url::Url,
-};
+use activitystreams::collection::kind::OrderedCollectionType;
+use chrono::NaiveDateTime;
+use url::Url;
+
 use lemmy_api_common::blocking;
 use lemmy_apub_lib::{
   data::Data,
@@ -23,19 +13,16 @@ use lemmy_db_schema::{
   traits::Crud,
 };
 use lemmy_utils::LemmyError;
-use serde::{Deserialize, Serialize};
-use serde_with::skip_serializing_none;
 
-#[skip_serializing_none]
-#[derive(Clone, Debug, Deserialize, Serialize)]
-#[serde(rename_all = "camelCase")]
-pub struct GroupOutbox {
-  #[serde(rename = "@context")]
-  context: OneOrMany<AnyBase>,
-  r#type: OrderedCollectionType,
-  id: Url,
-  ordered_items: Vec<CreateOrUpdatePost>,
-}
+use crate::{
+  collections::CommunityContext,
+  generate_outbox_url,
+  objects::{person::ApubPerson, post::ApubPost},
+  protocol::{
+    activities::{create_or_update::post::CreateOrUpdatePost, CreateOrUpdateType},
+    collections::group_outbox::GroupOutbox,
+  },
+};
 
 #[derive(Clone, Debug)]
 pub(crate) struct ApubCommunityOutbox(Vec<ApubPost>);
@@ -88,9 +75,9 @@ impl ApubObject for ApubCommunityOutbox {
     }
 
     Ok(GroupOutbox {
-      context: lemmy_context(),
       r#type: OrderedCollectionType::OrderedCollection,
       id: generate_outbox_url(&data.0.actor_id)?.into(),
+      total_items: ordered_items.len() as i32,
       ordered_items,
     })
   }

crates/apub/src/collections/mod.rs

@@ -1,5 +1,7 @@
-use crate::objects::community::ApubCommunity;
 use lemmy_websocket::LemmyContext;
+
+use crate::objects::community::ApubCommunity;
+
 pub(crate) mod community_moderators;
 pub(crate) mod community_outbox;
 

crates/apub/src/context.rs

@@ -1,28 +1,51 @@
 use activitystreams::{base::AnyBase, context, primitives::OneOrMany};
+use serde::{Deserialize, Serialize};
 use serde_json::json;
 use url::Url;
 
-pub(crate) fn lemmy_context() -> OneOrMany<AnyBase> {
-  let context_ext = AnyBase::from_arbitrary_json(json!(
-  {
-    "sc": "http://schema.org#",
-    "sensitive": "as:sensitive",
-    "stickied": "as:stickied",
-    "pt": "https://join-lemmy.org#",
-    "comments_enabled": {
-      "type": "sc:Boolean",
-      "id": "pt:commentsEnabled"
-    },
-    "moderators": "as:moderators",
-    "matrixUserId": {
-      "type": "sc:Text",
-      "id": "as:alsoKnownAs"
-    },
-  }))
-  .expect("parse context");
-  OneOrMany::from(vec![
-    AnyBase::from(context()),
-    context_ext,
-    AnyBase::from(Url::parse("https://w3id.org/security/v1").expect("parse context")),
-  ])
+lazy_static! {
+  static ref CONTEXT: OneOrMany<AnyBase> = {
+    let context_ext = AnyBase::from_arbitrary_json(json!(
+    {
+      "sc": "http://schema.org#",
+      "sensitive": "as:sensitive",
+      "stickied": "as:stickied",
+      "pt": "https://join-lemmy.org#",
+      "comments_enabled": {
+        "type": "sc:Boolean",
+        "id": "pt:commentsEnabled"
+      },
+      "moderators": "as:moderators",
+      "matrixUserId": {
+        "type": "sc:Text",
+        "id": "as:alsoKnownAs"
+      },
+    }))
+    .expect("parse context");
+    OneOrMany::from(vec![
+      AnyBase::from(context()),
+      context_ext,
+      AnyBase::from(Url::parse("https://w3id.org/security/v1").expect("parse context")),
+    ])
+  };
+}
+
+#[derive(Serialize, Deserialize)]
+pub(crate) struct WithContext<T> {
+  #[serde(rename = "@context")]
+  context: OneOrMany<AnyBase>,
+  #[serde(flatten)]
+  inner: T,
+}
+
+impl<T> WithContext<T> {
+  pub(crate) fn new(inner: T) -> WithContext<T> {
+    WithContext {
+      context: CONTEXT.clone(),
+      inner,
+    }
+  }
+  pub(crate) fn inner(self) -> T {
+    self.inner
+  }
 }

crates/apub/src/fetcher/object_id.rs

@@ -22,7 +22,6 @@ use url::Url;
 /// fetch through the search). This should be configurable.
 static REQUEST_LIMIT: i32 = 25;
 
-// TODO: after moving this file to library, remove lazy_static dependency from apub crate
 lazy_static! {
   static ref CLIENT: Client = Client::builder()
     .user_agent(build_user_agent(&Settings::get()))

crates/apub/src/fetcher/post_or_comment.rs

@@ -1,14 +1,16 @@
-use crate::objects::{
-  comment::{ApubComment, Note},
-  post::{ApubPost, Page},
-};
-use activitystreams::chrono::NaiveDateTime;
+use chrono::NaiveDateTime;
+use serde::Deserialize;
+use url::Url;
+
 use lemmy_apub_lib::traits::ApubObject;
 use lemmy_db_schema::source::{comment::CommentForm, post::PostForm};
 use lemmy_utils::LemmyError;
 use lemmy_websocket::LemmyContext;
-use serde::Deserialize;
-use url::Url;
+
+use crate::{
+  objects::{comment::ApubComment, post::ApubPost},
+  protocol::objects::{note::Note, page::Page},
+};
 
 #[derive(Clone, Debug)]
 pub enum PostOrComment {

crates/apub/src/fetcher/search.rs

@@ -1,15 +1,9 @@
-use crate::{
-  fetcher::object_id::ObjectId,
-  objects::{
-    comment::{ApubComment, Note},
-    community::{ApubCommunity, Group},
-    person::{ApubPerson, Person},
-    post::{ApubPost, Page},
-  },
-};
-use activitystreams::chrono::NaiveDateTime;
 use anyhow::anyhow;
+use chrono::NaiveDateTime;
 use itertools::Itertools;
+use serde::Deserialize;
+use url::Url;
+
 use lemmy_api_common::blocking;
 use lemmy_apub_lib::{
   traits::ApubObject,
@@ -21,8 +15,12 @@ use lemmy_db_schema::{
 };
 use lemmy_utils::LemmyError;
 use lemmy_websocket::LemmyContext;
-use serde::Deserialize;
-use url::Url;
+
+use crate::{
+  fetcher::object_id::ObjectId,
+  objects::{comment::ApubComment, community::ApubCommunity, person::ApubPerson, post::ApubPost},
+  protocol::objects::{group::Group, note::Note, page::Page, person::Person},
+};
 
 /// Attempt to parse the query as URL, and fetch an ActivityPub object from it.
 ///

crates/apub/src/http/community.rs

@@ -1,16 +1,12 @@
 use crate::{
-  activities::{
-    community::announce::{AnnouncableActivities, AnnounceActivity},
-    extract_community,
-    following::{follow::FollowCommunity, undo::UndoFollowCommunity},
-    report::Report,
-  },
+  activities::{community::announce::GetCommunity, verify_person_in_community},
+  activity_lists::GroupInboxActivities,
   collections::{
     community_moderators::ApubCommunityModerators,
     community_outbox::ApubCommunityOutbox,
     CommunityContext,
   },
-  context::lemmy_context,
+  context::WithContext,
   fetcher::object_id::ObjectId,
   generate_outbox_url,
   http::{
@@ -20,20 +16,19 @@ use crate::{
     receive_activity,
   },
   objects::community::ApubCommunity,
-};
-use activitystreams::{
-  base::BaseExt,
-  collection::{CollectionExt, UnorderedCollection},
+  protocol::{
+    activities::community::announce::AnnounceActivity,
+    collections::group_followers::GroupFollowers,
+  },
 };
 use actix_web::{body::Body, web, web::Payload, HttpRequest, HttpResponse};
 use lemmy_api_common::blocking;
-use lemmy_apub_lib::traits::{ActivityFields, ActivityHandler, ApubObject};
+use lemmy_apub_lib::traits::{ActivityFields, ApubObject};
 use lemmy_db_schema::source::community::Community;
-use lemmy_db_views_actor::community_follower_view::CommunityFollowerView;
 use lemmy_utils::LemmyError;
 use lemmy_websocket::LemmyContext;
-use log::trace;
-use serde::{Deserialize, Serialize};
+use log::info;
+use serde::Deserialize;
 
 #[derive(Deserialize)]
 pub(crate) struct CommunityQuery {
@@ -60,16 +55,6 @@ pub(crate) async fn get_apub_community_http(
   }
 }
 
-#[derive(Clone, Debug, Deserialize, Serialize, ActivityHandler, ActivityFields)]
-#[serde(untagged)]
-#[activity_handler(LemmyContext)]
-pub enum GroupInboxActivities {
-  FollowCommunity(FollowCommunity),
-  UndoFollowCommunity(UndoFollowCommunity),
-  AnnouncableActivities(AnnouncableActivities),
-  Report(Report),
-}
-
 /// Handler for all incoming receive to community inboxes.
 pub async fn community_inbox(
   request: HttpRequest,
@@ -78,10 +63,10 @@ pub async fn community_inbox(
   context: web::Data<LemmyContext>,
 ) -> Result<HttpResponse, LemmyError> {
   let unparsed = payload_to_string(payload).await?;
-  trace!("Received community inbox activity {}", unparsed);
-  let activity = serde_json::from_str::<GroupInboxActivities>(&unparsed)?;
+  info!("Received community inbox activity {}", unparsed);
+  let activity = serde_json::from_str::<WithContext<GroupInboxActivities>>(&unparsed)?;
 
-  receive_group_inbox(activity.clone(), request, &context).await?;
+  receive_group_inbox(activity.inner(), request, &context).await?;
 
   Ok(HttpResponse::Ok().finish())
 }
@@ -92,12 +77,16 @@ pub(in crate::http) async fn receive_group_inbox(
   context: &LemmyContext,
 ) -> Result<HttpResponse, LemmyError> {
   let res = receive_activity(request, activity.clone(), context).await;
-  if let GroupInboxActivities::AnnouncableActivities(announcable) = activity.clone() {
-    let community = extract_community(&announcable.cc(), context, &mut 0).await?;
+
+  if let GroupInboxActivities::AnnouncableActivities(announcable) = activity {
+    let community = announcable.get_community(context, &mut 0).await?;
+    let actor_id = ObjectId::new(announcable.actor().clone());
+    verify_person_in_community(&actor_id, &community, context, &mut 0).await?;
     if community.local {
       AnnounceActivity::send(announcable, &community, vec![], context).await?;
     }
   }
+
   res
 }
 
@@ -110,19 +99,8 @@ pub(crate) async fn get_apub_community_followers(
     Community::read_from_name(conn, &info.community_name)
   })
   .await??;
-
-  let community_id = community.id;
-  let community_followers = blocking(context.pool(), move |conn| {
-    CommunityFollowerView::for_community(conn, community_id)
-  })
-  .await??;
-
-  let mut collection = UnorderedCollection::new();
-  collection
-    .set_many_contexts(lemmy_context())
-    .set_id(community.followers_url.into())
-    .set_total_items(community_followers.len() as u64);
-  Ok(create_apub_response(&collection))
+  let followers = GroupFollowers::new(community, &context).await?;
+  Ok(create_apub_response(&followers))
 }
 
 /// Returns the community outbox, which is populated by a maximum of 20 posts (but no other

crates/apub/src/http/mod.rs

@@ -1,10 +1,9 @@
 use crate::{
+  activity_lists::SharedInboxActivities,
   check_is_apub_id_valid,
+  context::WithContext,
   fetcher::get_or_fetch_and_upsert_actor,
-  http::{
-    community::{receive_group_inbox, GroupInboxActivities},
-    person::{receive_person_inbox, PersonInboxActivities},
-  },
+  http::{community::receive_group_inbox, person::receive_person_inbox},
   insert_activity,
 };
 use actix_web::{
@@ -27,7 +26,7 @@ use lemmy_apub_lib::{
 use lemmy_db_schema::{source::activity::Activity, DbPool};
 use lemmy_utils::{location_info, LemmyError};
 use lemmy_websocket::LemmyContext;
-use log::{info, trace};
+use log::info;
 use serde::{Deserialize, Serialize};
 use std::{fmt::Debug, io::Read};
 use url::Url;
@@ -38,25 +37,15 @@ mod person;
 mod post;
 pub mod routes;
 
-#[derive(Clone, Debug, Deserialize, Serialize, ActivityHandler, ActivityFields)]
-#[serde(untagged)]
-#[activity_handler(LemmyContext)]
-pub enum SharedInboxActivities {
-  GroupInboxActivities(GroupInboxActivities),
-  // Note, pm activities need to be at the end, otherwise comments will end up here. We can probably
-  // avoid this problem by replacing createpm.object with our own struct, instead of NoteExt.
-  PersonInboxActivities(PersonInboxActivities),
-}
-
 pub async fn shared_inbox(
   request: HttpRequest,
   payload: Payload,
   context: web::Data<LemmyContext>,
 ) -> Result<HttpResponse, LemmyError> {
   let unparsed = payload_to_string(payload).await?;
-  trace!("Received shared inbox activity {}", unparsed);
-  let activity = serde_json::from_str::<SharedInboxActivities>(&unparsed)?;
-  match activity {
+  info!("Received shared inbox activity {}", unparsed);
+  let activity = serde_json::from_str::<WithContext<SharedInboxActivities>>(&unparsed)?;
+  match activity.inner() {
     SharedInboxActivities::GroupInboxActivities(g) => {
       receive_group_inbox(g, request, &context).await
     }
@@ -134,7 +123,7 @@ where
 {
   HttpResponse::Ok()
     .content_type(APUB_JSON_CONTENT_TYPE)
-    .json(data)
+    .json(WithContext::new(data))
 }
 
 fn create_apub_tombstone_response<T>(data: &T) -> HttpResponse<Body>
@@ -144,7 +133,7 @@ where
   HttpResponse::Gone()
     .content_type(APUB_JSON_CONTENT_TYPE)
     .status(StatusCode::GONE)
-    .json(data)
+    .json(WithContext::new(data))
 }
 
 #[derive(Deserialize)]

crates/apub/src/http/person.rs

@@ -1,15 +1,6 @@
 use crate::{
-  activities::{
-    community::announce::{AnnouncableActivities, AnnounceActivity},
-    following::accept::AcceptFollowCommunity,
-    private_message::{
-      create_or_update::CreateOrUpdatePrivateMessage,
-      delete::DeletePrivateMessage,
-      undo_delete::UndoDeletePrivateMessage,
-    },
-  },
-  context::lemmy_context,
-  generate_outbox_url,
+  activity_lists::PersonInboxActivities,
+  context::WithContext,
   http::{
     create_apub_response,
     create_apub_tombstone_response,
@@ -17,20 +8,16 @@ use crate::{
     receive_activity,
   },
   objects::person::ApubPerson,
-};
-use activitystreams::{
-  base::BaseExt,
-  collection::{CollectionExt, OrderedCollection},
+  protocol::collections::person_outbox::PersonOutbox,
 };
 use actix_web::{body::Body, web, web::Payload, HttpRequest, HttpResponse};
 use lemmy_api_common::blocking;
-use lemmy_apub_lib::traits::{ActivityFields, ActivityHandler, ApubObject};
+use lemmy_apub_lib::traits::ApubObject;
 use lemmy_db_schema::source::person::Person;
 use lemmy_utils::LemmyError;
 use lemmy_websocket::LemmyContext;
-use log::trace;
-use serde::{Deserialize, Serialize};
-use url::Url;
+use log::info;
+use serde::Deserialize;
 
 #[derive(Deserialize)]
 pub struct PersonQuery {
@@ -59,19 +46,6 @@ pub(crate) async fn get_apub_person_http(
   }
 }
 
-#[derive(Clone, Debug, Deserialize, Serialize, ActivityHandler, ActivityFields)]
-#[serde(untagged)]
-#[activity_handler(LemmyContext)]
-pub enum PersonInboxActivities {
-  AcceptFollowCommunity(AcceptFollowCommunity),
-  /// Some activities can also be sent from user to user, eg a comment with mentions
-  AnnouncableActivities(AnnouncableActivities),
-  CreateOrUpdatePrivateMessage(CreateOrUpdatePrivateMessage),
-  DeletePrivateMessage(DeletePrivateMessage),
-  UndoDeletePrivateMessage(UndoDeletePrivateMessage),
-  AnnounceActivity(Box<AnnounceActivity>),
-}
-
 pub async fn person_inbox(
   request: HttpRequest,
   payload: Payload,
@@ -79,9 +53,9 @@ pub async fn person_inbox(
   context: web::Data<LemmyContext>,
 ) -> Result<HttpResponse, LemmyError> {
   let unparsed = payload_to_string(payload).await?;
-  trace!("Received person inbox activity {}", unparsed);
-  let activity = serde_json::from_str::<PersonInboxActivities>(&unparsed)?;
-  receive_person_inbox(activity, request, &context).await
+  info!("Received person inbox activity {}", unparsed);
+  let activity = serde_json::from_str::<WithContext<PersonInboxActivities>>(&unparsed)?;
+  receive_person_inbox(activity.inner(), request, &context).await
 }
 
 pub(in crate::http) async fn receive_person_inbox(
@@ -100,12 +74,6 @@ pub(crate) async fn get_apub_person_outbox(
     Person::find_by_name(conn, &info.user_name)
   })
   .await??;
-  // TODO: populate the person outbox
-  let mut collection = OrderedCollection::new();
-  collection
-    .set_many_items(Vec::<Url>::new())
-    .set_many_contexts(lemmy_context())
-    .set_id(generate_outbox_url(&person.actor_id)?.into())
-    .set_total_items(0_u64);
-  Ok(create_apub_response(&collection))
+  let outbox = PersonOutbox::new(person).await?;
+  Ok(create_apub_response(&outbox))
 }

crates/apub/src/lib.rs

@@ -1,10 +1,12 @@
 pub mod activities;
+pub(crate) mod activity_lists;
 pub(crate) mod collections;
 mod context;
 pub mod fetcher;
 pub mod http;
 pub mod migrations;
 pub mod objects;
+pub mod protocol;
 
 #[macro_use]
 extern crate lazy_static;
@@ -12,16 +14,10 @@ extern crate lazy_static;
 use crate::fetcher::post_or_comment::PostOrComment;
 use anyhow::{anyhow, Context};
 use lemmy_api_common::blocking;
-use lemmy_apub_lib::{activity_queue::send_activity, traits::ActorType};
-use lemmy_db_schema::{
-  newtypes::{CommunityId, DbUrl},
-  source::{activity::Activity, person::Person},
-  DbPool,
-};
-use lemmy_db_views_actor::community_person_ban_view::CommunityPersonBanView;
+use lemmy_apub_lib::webfinger::{webfinger_resolve_actor, WebfingerType};
+use lemmy_db_schema::{newtypes::DbUrl, source::activity::Activity, DbPool};
 use lemmy_utils::{location_info, settings::structs::Settings, LemmyError};
 use lemmy_websocket::LemmyContext;
-use log::info;
 use serde::Serialize;
 use std::net::IpAddr;
 use url::{ParseError, Url};
@@ -34,6 +30,8 @@ use url::{ParseError, Url};
 /// - URL being in the allowlist (if it is active)
 /// - URL not being in the blocklist (if it is active)
 ///
+/// `use_strict_allowlist` should be true only when parsing a remote community, or when parsing a
+/// post/comment in a local community.
 pub(crate) fn check_is_apub_id_valid(
   apub_id: &Url,
   use_strict_allowlist: bool,
@@ -92,16 +90,6 @@ pub(crate) fn check_is_apub_id_valid(
   Ok(())
 }
 
-#[async_trait::async_trait(?Send)]
-pub trait CommunityType {
-  fn followers_url(&self) -> Url;
-  async fn get_follower_inboxes(
-    &self,
-    pool: &DbPool,
-    settings: &Settings,
-  ) -> Result<Vec<Url>, LemmyError>;
-}
-
 pub enum EndpointType {
   Community,
   Person,
@@ -111,7 +99,7 @@ pub enum EndpointType {
 }
 
 /// Generates an apub endpoint for a given domain, IE xyz.tld
-fn generate_apub_endpoint_for_domain(
+pub fn generate_local_apub_endpoint(
   endpoint_type: EndpointType,
   name: &str,
   domain: &str,
@@ -127,15 +115,6 @@ fn generate_apub_endpoint_for_domain(
   Ok(Url::parse(&format!("{}/{}/{}", domain, point, name))?.into())
 }
 
-/// Generates the ActivityPub ID for a given object type and ID.
-pub fn generate_apub_endpoint(
-  endpoint_type: EndpointType,
-  name: &str,
-  protocol_and_hostname: &str,
-) -> Result<DbUrl, ParseError> {
-  generate_apub_endpoint_for_domain(endpoint_type, name, protocol_and_hostname)
-}
-
 pub fn generate_followers_url(actor_id: &DbUrl) -> Result<DbUrl, ParseError> {
   Ok(Url::parse(&format!("{}/followers", actor_id))?.into())
 }
@@ -169,23 +148,31 @@ fn generate_moderators_url(community_id: &DbUrl) -> Result<DbUrl, LemmyError> {
 
 /// Takes in a shortname of the type dessalines@xyz.tld or dessalines (assumed to be local), and outputs the actor id.
 /// Used in the API for communities and users.
-pub fn build_actor_id_from_shortname(
-  endpoint_type: EndpointType,
+pub async fn get_actor_id_from_name(
+  webfinger_type: WebfingerType,
   short_name: &str,
-  settings: &Settings,
-) -> Result<DbUrl, ParseError> {
+  context: &LemmyContext,
+) -> Result<DbUrl, LemmyError> {
   let split = short_name.split('@').collect::<Vec<&str>>();
 
   let name = split[0];
 
   // If there's no @, its local
-  let domain = if split.len() == 1 {
-    settings.get_protocol_and_hostname()
+  if split.len() == 1 {
+    let domain = context.settings().get_protocol_and_hostname();
+    let endpoint_type = match webfinger_type {
+      WebfingerType::Person => EndpointType::Person,
+      WebfingerType::Group => EndpointType::Community,
+    };
+    Ok(generate_local_apub_endpoint(endpoint_type, name, &domain)?)
   } else {
-    format!("{}://{}", settings.get_protocol_string(), split[1])
-  };
-
-  generate_apub_endpoint_for_domain(endpoint_type, name, &domain)
+    let protocol = context.settings().get_protocol_string();
+    Ok(
+      webfinger_resolve_actor(name, split[1], webfinger_type, context.client(), protocol)
+        .await?
+        .into(),
+    )
+  }
 }
 
 /// Store a sent or received activity in the database, for logging purposes. These records are not
@@ -207,64 +194,3 @@ where
   .await??;
   Ok(())
 }
-
-async fn check_community_or_site_ban(
-  person: &Person,
-  community_id: CommunityId,
-  pool: &DbPool,
-) -> Result<(), LemmyError> {
-  if person.banned {
-    return Err(anyhow!("Person is banned from site").into());
-  }
-  let person_id = person.id;
-  let is_banned =
-    move |conn: &'_ _| CommunityPersonBanView::get(conn, person_id, community_id).is_ok();
-  if blocking(pool, is_banned).await? {
-    return Err(anyhow!("Person is banned from community").into());
-  }
-
-  Ok(())
-}
-
-pub(crate) async fn send_lemmy_activity<T: Serialize>(
-  context: &LemmyContext,
-  activity: &T,
-  activity_id: &Url,
-  actor: &dyn ActorType,
-  inboxes: Vec<Url>,
-  sensitive: bool,
-) -> Result<(), LemmyError> {
-  if !context.settings().federation.enabled || inboxes.is_empty() {
-    return Ok(());
-  }
-
-  info!("Sending activity {}", activity_id.to_string());
-
-  // Don't send anything to ourselves
-  // TODO: this should be a debug assert
-  let hostname = context.settings().get_hostname_without_port()?;
-  let inboxes: Vec<&Url> = inboxes
-    .iter()
-    .filter(|i| i.domain().expect("valid inbox url") != hostname)
-    .collect();
-
-  let serialised_activity = serde_json::to_string(&activity)?;
-
-  insert_activity(
-    activity_id,
-    serialised_activity.clone(),
-    true,
-    sensitive,
-    context.pool(),
-  )
-  .await?;
-
-  send_activity(
-    serialised_activity,
-    actor,
-    inboxes,
-    context.client(),
-    context.activity_queue(),
-  )
-  .await
-}

crates/apub/src/objects/comment.rs

@@ -1,29 +1,17 @@
-use crate::{
-  activities::{verify_is_public, verify_person_in_community},
-  context::lemmy_context,
-  fetcher::object_id::ObjectId,
-  objects::{person::ApubPerson, post::ApubPost, tombstone::Tombstone, Source},
-  PostOrComment,
-};
-use activitystreams::{
-  base::AnyBase,
-  chrono::NaiveDateTime,
-  object::kind::NoteType,
-  primitives::OneOrMany,
-  public,
-  unparsed::Unparsed,
-};
+use std::ops::Deref;
+
+use activitystreams::{object::kind::NoteType, public};
 use anyhow::anyhow;
-use chrono::{DateTime, FixedOffset};
+use chrono::NaiveDateTime;
 use html2md::parse_html;
+use url::Url;
+
 use lemmy_api_common::blocking;
 use lemmy_apub_lib::{
   traits::ApubObject,
   values::{MediaTypeHtml, MediaTypeMarkdown},
-  verify::verify_domains_match,
 };
 use lemmy_db_schema::{
-  newtypes::CommentId,
   source::{
     comment::{Comment, CommentForm},
     community::Community,
@@ -37,107 +25,21 @@ use lemmy_utils::{
   LemmyError,
 };
 use lemmy_websocket::LemmyContext;
-use serde::{Deserialize, Serialize};
-use serde_with::skip_serializing_none;
-use std::ops::Deref;
-use url::Url;
 
-#[skip_serializing_none]
-#[derive(Clone, Debug, Deserialize, Serialize)]
-#[serde(rename_all = "camelCase")]
-pub struct Note {
-  #[serde(rename = "@context")]
-  context: OneOrMany<AnyBase>,
-  r#type: NoteType,
-  id: Url,
-  pub(crate) attributed_to: ObjectId<ApubPerson>,
-  /// Indicates that the object is publicly readable. Unlike [`Post.to`], this one doesn't contain
-  /// the community ID, as it would be incompatible with Pleroma (and we can get the community from
-  /// the post in [`in_reply_to`]).
-  to: Vec<Url>,
-  content: String,
-  media_type: Option<MediaTypeHtml>,
-  source: SourceCompat,
-  in_reply_to: ObjectId<PostOrComment>,
-  published: Option<DateTime<FixedOffset>>,
-  updated: Option<DateTime<FixedOffset>>,
-  #[serde(flatten)]
-  unparsed: Unparsed,
-}
-
-/// Pleroma puts a raw string in the source, so we have to handle it here for deserialization to work
-#[derive(Clone, Debug, Deserialize, Serialize)]
-#[serde(rename_all = "camelCase")]
-#[serde(untagged)]
-enum SourceCompat {
-  Lemmy(Source),
-  Pleroma(String),
-}
-
-impl Note {
-  pub(crate) fn id_unchecked(&self) -> &Url {
-    &self.id
-  }
-  pub(crate) fn id(&self, expected_domain: &Url) -> Result<&Url, LemmyError> {
-    verify_domains_match(&self.id, expected_domain)?;
-    Ok(&self.id)
-  }
-
-  pub(crate) async fn get_parents(
-    &self,
-    context: &LemmyContext,
-    request_counter: &mut i32,
-  ) -> Result<(ApubPost, Option<CommentId>), LemmyError> {
-    // Fetch parent comment chain in a box, otherwise it can cause a stack overflow.
-    let parent = Box::pin(
-      self
-        .in_reply_to
-        .dereference(context, request_counter)
-        .await?,
-    );
-    match parent.deref() {
-      PostOrComment::Post(p) => {
-        // Workaround because I cant figure out how to get the post out of the box (and we dont
-        // want to stackoverflow in a deep comment hierarchy).
-        let post_id = p.id;
-        let post = blocking(context.pool(), move |conn| Post::read(conn, post_id)).await??;
-        Ok((post.into(), None))
-      }
-      PostOrComment::Comment(c) => {
-        let post_id = c.post_id;
-        let post = blocking(context.pool(), move |conn| Post::read(conn, post_id)).await??;
-        Ok((post.into(), Some(c.id)))
-      }
-    }
-  }
-
-  pub(crate) async fn verify(
-    &self,
-    context: &LemmyContext,
-    request_counter: &mut i32,
-  ) -> Result<(), LemmyError> {
-    let (post, _parent_comment_id) = self.get_parents(context, request_counter).await?;
-    let community_id = post.community_id;
-    let community = blocking(context.pool(), move |conn| {
-      Community::read(conn, community_id)
-    })
-    .await??;
-
-    if post.locked {
-      return Err(anyhow!("Post is locked").into());
-    }
-    verify_domains_match(self.attributed_to.inner(), &self.id)?;
-    verify_person_in_community(
-      &self.attributed_to,
-      &ObjectId::new(community.actor_id),
-      context,
-      request_counter,
-    )
-    .await?;
-    verify_is_public(&self.to)?;
-    Ok(())
-  }
-}
+use crate::{
+  activities::verify_person_in_community,
+  check_is_apub_id_valid,
+  fetcher::object_id::ObjectId,
+  protocol::{
+    objects::{
+      note::{Note, SourceCompat},
+      tombstone::Tombstone,
+    },
+    Source,
+  },
+  PostOrComment,
+};
+use lemmy_utils::utils::markdown_to_html;
 
 #[derive(Clone, Debug)]
 pub struct ApubComment(Comment);
@@ -202,12 +104,11 @@ impl ApubObject for ApubComment {
     };
 
     let note = Note {
-      context: lemmy_context(),
       r#type: NoteType::Note,
       id: self.ap_id.to_owned().into_inner(),
       attributed_to: ObjectId::new(creator.actor_id),
       to: vec![public()],
-      content: self.content.clone(),
+      content: markdown_to_html(&self.content),
       media_type: Some(MediaTypeHtml::Html),
       source: SourceCompat::Lemmy(Source {
         content: self.content.clone(),
@@ -244,6 +145,19 @@ impl ApubObject for ApubComment {
       .dereference(context, request_counter)
       .await?;
     let (post, parent_comment_id) = note.get_parents(context, request_counter).await?;
+    let community_id = post.community_id;
+    let community = blocking(context.pool(), move |conn| {
+      Community::read(conn, community_id)
+    })
+    .await??;
+    check_is_apub_id_valid(&note.id, community.local, &context.settings())?;
+    verify_person_in_community(
+      &note.attributed_to,
+      &community.into(),
+      context,
+      request_counter,
+    )
+    .await?;
     if post.locked {
       return Err(anyhow!("Post is locked").into());
     }
@@ -274,10 +188,12 @@ impl ApubObject for ApubComment {
 }
 
 #[cfg(test)]
-mod tests {
+pub(crate) mod tests {
   use super::*;
   use crate::objects::{
-    community::ApubCommunity,
+    community::{tests::parse_lemmy_community, ApubCommunity},
+    person::{tests::parse_lemmy_person, ApubPerson},
+    post::ApubPost,
     tests::{file_to_json_object, init_context},
   };
   use assert_json_diff::assert_json_include;
@@ -287,15 +203,9 @@ mod tests {
     url: &Url,
     context: &LemmyContext,
   ) -> (ApubPerson, ApubCommunity, ApubPost) {
-    let person_json = file_to_json_object("assets/lemmy-person.json");
-    let person = ApubPerson::from_apub(&person_json, context, url, &mut 0)
-      .await
-      .unwrap();
-    let community_json = file_to_json_object("assets/lemmy-community.json");
-    let community = ApubCommunity::from_apub(&community_json, context, url, &mut 0)
-      .await
-      .unwrap();
-    let post_json = file_to_json_object("assets/lemmy-post.json");
+    let person = parse_lemmy_person(context).await;
+    let community = parse_lemmy_community(context).await;
+    let post_json = file_to_json_object("assets/lemmy/objects/page.json");
     let post = ApubPost::from_apub(&post_json, context, url, &mut 0)
       .await
       .unwrap();
@@ -310,14 +220,12 @@ mod tests {
 
   #[actix_rt::test]
   #[serial]
-  async fn test_parse_lemmy_comment() {
-    // TODO: changed ObjectId::dereference() so that it always fetches if
-    //       last_refreshed_at() == None. But post doesnt store that and expects to never be refetched
+  pub(crate) async fn test_parse_lemmy_comment() {
     let context = init_context();
     let url = Url::parse("https://enterprise.lemmy.ml/comment/38741").unwrap();
     let data = prepare_comment_test(&url, &context).await;
 
-    let json = file_to_json_object("assets/lemmy-comment.json");
+    let json = file_to_json_object("assets/lemmy/objects/note.json");
     let mut request_counter = 0;
     let comment = ApubComment::from_apub(&json, &context, &url, &mut request_counter)
       .await
@@ -345,11 +253,11 @@ mod tests {
     let pleroma_url =
       Url::parse("https://queer.hacktivis.me/objects/8d4973f4-53de-49cd-8c27-df160e16a9c2")
         .unwrap();
-    let person_json = file_to_json_object("assets/pleroma-person.json");
+    let person_json = file_to_json_object("assets/pleroma/objects/person.json");
     ApubPerson::from_apub(&person_json, &context, &pleroma_url, &mut 0)
       .await
       .unwrap();
-    let json = file_to_json_object("assets/pleroma-comment.json");
+    let json = file_to_json_object("assets/pleroma/objects/note.json");
     let mut request_counter = 0;
     let comment = ApubComment::from_apub(&json, &context, &pleroma_url, &mut request_counter)
       .await

crates/apub/src/objects/community.rs

@@ -1,128 +1,37 @@
-use crate::{
-  check_is_apub_id_valid,
-  collections::{
-    community_moderators::ApubCommunityModerators,
-    community_outbox::ApubCommunityOutbox,
-    CommunityContext,
-  },
-  context::lemmy_context,
-  fetcher::object_id::ObjectId,
-  generate_moderators_url,
-  generate_outbox_url,
-  objects::{get_summary_from_string_or_source, tombstone::Tombstone, ImageObject, Source},
-  CommunityType,
-};
 use activitystreams::{
   actor::{kind::GroupType, Endpoints},
-  base::AnyBase,
-  chrono::NaiveDateTime,
   object::kind::ImageType,
-  primitives::OneOrMany,
-  unparsed::Unparsed,
 };
-use chrono::{DateTime, FixedOffset};
+use chrono::NaiveDateTime;
 use itertools::Itertools;
-use lemmy_api_common::blocking;
-use lemmy_apub_lib::{
-  signatures::PublicKey,
-  traits::{ActorType, ApubObject},
-  values::MediaTypeMarkdown,
-  verify::verify_domains_match,
-};
-use lemmy_db_schema::{
-  naive_now,
-  source::community::{Community, CommunityForm},
-  DbPool,
-};
-use lemmy_db_views_actor::community_follower_view::CommunityFollowerView;
-use lemmy_utils::{
-  settings::structs::Settings,
-  utils::{check_slurs, check_slurs_opt, convert_datetime, markdown_to_html},
-  LemmyError,
-};
-use lemmy_websocket::LemmyContext;
 use log::debug;
-use serde::{Deserialize, Serialize};
-use serde_with::skip_serializing_none;
 use std::ops::Deref;
 use url::Url;
 
-#[skip_serializing_none]
-#[derive(Clone, Debug, Deserialize, Serialize)]
-#[serde(rename_all = "camelCase")]
-pub struct Group {
-  #[serde(rename = "@context")]
-  context: OneOrMany<AnyBase>,
-  #[serde(rename = "type")]
-  kind: GroupType,
-  id: Url,
-  /// username, set at account creation and can never be changed
-  preferred_username: String,
-  /// title (can be changed at any time)
-  name: String,
-  summary: Option<String>,
-  source: Option<Source>,
-  icon: Option<ImageObject>,
-  /// banner
-  image: Option<ImageObject>,
-  // lemmy extension
-  sensitive: Option<bool>,
-  // lemmy extension
-  pub(crate) moderators: Option<ObjectId<ApubCommunityModerators>>,
-  inbox: Url,
-  pub(crate) outbox: ObjectId<ApubCommunityOutbox>,
-  followers: Url,
-  endpoints: Endpoints<Url>,
-  public_key: PublicKey,
-  published: Option<DateTime<FixedOffset>>,
-  updated: Option<DateTime<FixedOffset>>,
-  #[serde(flatten)]
-  unparsed: Unparsed,
-}
-
-impl Group {
-  pub(crate) fn id(&self, expected_domain: &Url) -> Result<&Url, LemmyError> {
-    verify_domains_match(&self.id, expected_domain)?;
-    Ok(&self.id)
-  }
-  pub(crate) async fn from_apub_to_form(
-    group: &Group,
-    expected_domain: &Url,
-    settings: &Settings,
-  ) -> Result<CommunityForm, LemmyError> {
-    let actor_id = Some(group.id(expected_domain)?.clone().into());
-    let name = group.preferred_username.clone();
-    let title = group.name.clone();
-    let description = get_summary_from_string_or_source(&group.summary, &group.source);
-    let shared_inbox = group.endpoints.shared_inbox.clone().map(|s| s.into());
-
-    let slur_regex = &settings.slur_regex();
-    check_slurs(&name, slur_regex)?;
-    check_slurs(&title, slur_regex)?;
-    check_slurs_opt(&description, slur_regex)?;
-
-    Ok(CommunityForm {
-      name,
-      title,
-      description,
-      removed: None,
-      published: group.published.map(|u| u.naive_local()),
-      updated: group.updated.map(|u| u.naive_local()),
-      deleted: None,
-      nsfw: Some(group.sensitive.unwrap_or(false)),
-      actor_id,
-      local: Some(false),
-      private_key: None,
-      public_key: Some(group.public_key.public_key_pem.clone()),
-      last_refreshed_at: Some(naive_now()),
-      icon: Some(group.icon.clone().map(|i| i.url.into())),
-      banner: Some(group.image.clone().map(|i| i.url.into())),
-      followers_url: Some(group.followers.clone().into()),
-      inbox_url: Some(group.inbox.clone().into()),
-      shared_inbox_url: Some(shared_inbox),
-    })
-  }
-}
+use crate::{
+  check_is_apub_id_valid,
+  collections::{community_moderators::ApubCommunityModerators, CommunityContext},
+  fetcher::object_id::ObjectId,
+  generate_moderators_url,
+  generate_outbox_url,
+  protocol::{
+    objects::{group::Group, tombstone::Tombstone},
+    ImageObject,
+    Source,
+  },
+};
+use lemmy_api_common::blocking;
+use lemmy_apub_lib::{
+  traits::{ActorType, ApubObject},
+  values::MediaTypeMarkdown,
+};
+use lemmy_db_schema::source::community::Community;
+use lemmy_db_views_actor::community_follower_view::CommunityFollowerView;
+use lemmy_utils::{
+  utils::{convert_datetime, markdown_to_html},
+  LemmyError,
+};
+use lemmy_websocket::LemmyContext;
 
 #[derive(Clone, Debug)]
 pub struct ApubCommunity(Community);
@@ -186,7 +95,6 @@ impl ApubObject for ApubCommunity {
     });
 
     let group = Group {
-      context: lemmy_context(),
       kind: GroupType::Group,
       id: self.actor_id(),
       preferred_username: self.name.clone(),
@@ -283,32 +191,32 @@ impl ActorType for ApubCommunity {
   }
 }
 
-#[async_trait::async_trait(?Send)]
-impl CommunityType for Community {
-  fn followers_url(&self) -> Url {
-    self.followers_url.clone().into()
-  }
-
+impl ApubCommunity {
   /// For a given community, returns the inboxes of all followers.
-  async fn get_follower_inboxes(
+  pub(crate) async fn get_follower_inboxes(
     &self,
-    pool: &DbPool,
-    settings: &Settings,
+    additional_inboxes: Vec<Url>,
+    context: &LemmyContext,
   ) -> Result<Vec<Url>, LemmyError> {
     let id = self.id;
 
-    let follows = blocking(pool, move |conn| {
+    let follows = blocking(context.pool(), move |conn| {
       CommunityFollowerView::for_community(conn, id)
     })
     .await??;
-    let inboxes = follows
+    let follower_inboxes: Vec<Url> = follows
       .into_iter()
       .filter(|f| !f.follower.local)
       .map(|f| f.follower.shared_inbox_url.unwrap_or(f.follower.inbox_url))
       .map(|i| i.into_inner())
+      .collect();
+    let inboxes = vec![follower_inboxes, additional_inboxes]
+      .into_iter()
+      .flatten()
       .unique()
+      .filter(|inbox| inbox.host_str() != Some(&context.settings().hostname))
       // Don't send to blocked instances
-      .filter(|inbox| check_is_apub_id_valid(inbox, false, settings).is_ok())
+      .filter(|inbox| check_is_apub_id_valid(inbox, false, &context.settings()).is_ok())
       .collect();
 
     Ok(inboxes)
@@ -316,42 +224,39 @@ impl CommunityType for Community {
 }
 
 #[cfg(test)]
-mod tests {
+pub(crate) mod tests {
   use super::*;
   use crate::objects::tests::{file_to_json_object, init_context};
-  use assert_json_diff::assert_json_include;
   use lemmy_db_schema::traits::Crud;
   use serial_test::serial;
 
-  #[actix_rt::test]
-  #[serial]
-  async fn test_parse_lemmy_community() {
-    let context = init_context();
-    let mut json: Group = file_to_json_object("assets/lemmy-community.json");
-    let json_orig = json.clone();
+  pub(crate) async fn parse_lemmy_community(context: &LemmyContext) -> ApubCommunity {
+    let mut json: Group = file_to_json_object("assets/lemmy/objects/group.json");
     // change these links so they dont fetch over the network
-    json.moderators = Some(ObjectId::new(
-      Url::parse("https://enterprise.lemmy.ml/c/tenforward/not_moderators").unwrap(),
-    ));
+    json.moderators = None;
     json.outbox =
       ObjectId::new(Url::parse("https://enterprise.lemmy.ml/c/tenforward/not_outbox").unwrap());
 
     let url = Url::parse("https://enterprise.lemmy.ml/c/tenforward").unwrap();
     let mut request_counter = 0;
-    let community = ApubCommunity::from_apub(&json, &context, &url, &mut request_counter)
+    let community = ApubCommunity::from_apub(&json, context, &url, &mut request_counter)
       .await
       .unwrap();
+    // this makes two requests to the (intentionally) broken outbox/moderators collections
+    assert_eq!(request_counter, 1);
+    community
+  }
+
+  #[actix_rt::test]
+  #[serial]
+  async fn test_parse_lemmy_community() {
+    let context = init_context();
+    let community = parse_lemmy_community(&context).await;
 
-    assert_eq!(community.actor_id.clone().into_inner(), url);
     assert_eq!(community.title, "Ten Forward");
     assert!(community.public_key.is_some());
     assert!(!community.local);
     assert_eq!(community.description.as_ref().unwrap().len(), 132);
-    // this makes two requests to the (intentionally) broken outbox/moderators collections
-    assert_eq!(request_counter, 2);
-
-    let to_apub = community.to_apub(&context).await.unwrap();
-    assert_json_include!(actual: json_orig, expected: to_apub);
 
     Community::delete(&*context.pool().get().unwrap(), community.id).unwrap();
   }

crates/apub/src/objects/mod.rs

@@ -1,32 +1,13 @@
-use activitystreams::object::kind::ImageType;
+use crate::protocol::Source;
 use html2md::parse_html;
-use lemmy_apub_lib::values::MediaTypeMarkdown;
-use serde::{Deserialize, Serialize};
-use url::Url;
 
 pub mod comment;
 pub mod community;
 pub mod person;
 pub mod post;
 pub mod private_message;
-pub mod tombstone;
 
-#[derive(Clone, Debug, Deserialize, Serialize)]
-#[serde(rename_all = "camelCase")]
-pub struct Source {
-  content: String,
-  media_type: MediaTypeMarkdown,
-}
-
-#[derive(Clone, Debug, Deserialize, Serialize)]
-#[serde(rename_all = "camelCase")]
-pub struct ImageObject {
-  #[serde(rename = "type")]
-  kind: ImageType,
-  url: Url,
-}
-
-fn get_summary_from_string_or_source(
+pub(crate) fn get_summary_from_string_or_source(
   raw: &Option<String>,
   source: &Option<Source>,
 ) -> Option<String> {
@@ -38,7 +19,7 @@ fn get_summary_from_string_or_source(
 }
 
 #[cfg(test)]
-mod tests {
+pub(crate) mod tests {
   use actix::Actor;
   use diesel::{
     r2d2::{ConnectionManager, Pool},