]> Untitled Git - lemmy.git/blobdiff - crates/apub/src/http/community.rs
Make functions work with both connection and pool (#3420)
[lemmy.git] / crates / apub / src / http / community.rs
index 6c9c632e1c1778ce0dee6fa03108ebae4510c969..18ad860b0adbd6a626167640a93e0475c32183f9 100644 (file)
@@ -1,42 +1,25 @@
 use crate::{
-  activities::{
-    community::announce::{AnnouncableActivities, AnnounceActivity, GetCommunity},
-    following::{follow::FollowCommunity, undo::UndoFollowCommunity},
-    report::Report,
-    verify_person_in_community,
-  },
+  activity_lists::GroupInboxActivities,
   collections::{
+    community_featured::ApubCommunityFeatured,
     community_moderators::ApubCommunityModerators,
     community_outbox::ApubCommunityOutbox,
-    CommunityContext,
-  },
-  context::WithContext,
-  fetcher::object_id::ObjectId,
-  generate_outbox_url,
-  http::{
-    create_apub_response,
-    create_apub_tombstone_response,
-    payload_to_string,
-    receive_activity,
   },
-  objects::community::ApubCommunity,
+  http::{create_apub_response, create_apub_tombstone_response},
+  objects::{community::ApubCommunity, person::ApubPerson},
+  protocol::collections::group_followers::GroupFollowers,
 };
-use activitystreams::{
-  base::BaseExt,
-  collection::{CollectionExt, UnorderedCollection},
+use activitypub_federation::{
+  actix_web::inbox::receive_activity,
+  config::Data,
+  protocol::context::WithContext,
+  traits::{Collection, Object},
 };
-use actix_web::{body::Body, web, web::Payload, HttpRequest, HttpResponse};
-use lemmy_api_common::blocking;
-use lemmy_apub_lib::{
-  traits::{ActivityFields, ActivityHandler, ActorType, ApubObject},
-  verify::verify_domains_match,
-};
-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::info;
-use serde::{Deserialize, Serialize};
+use actix_web::{web, web::Bytes, HttpRequest, HttpResponse};
+use lemmy_api_common::context::LemmyContext;
+use lemmy_db_schema::{source::community::Community, traits::ApubActor};
+use lemmy_utils::error::{LemmyError, LemmyErrorType};
+use serde::Deserialize;
 
 #[derive(Deserialize)]
 pub(crate) struct CommunityQuery {
@@ -44,124 +27,94 @@ pub(crate) struct CommunityQuery {
 }
 
 /// Return the ActivityPub json representation of a local community over HTTP.
+#[tracing::instrument(skip_all)]
 pub(crate) async fn get_apub_community_http(
   info: web::Path<CommunityQuery>,
-  context: web::Data<LemmyContext>,
-) -> Result<HttpResponse<Body>, LemmyError> {
-  let community: ApubCommunity = blocking(context.pool(), move |conn| {
-    Community::read_from_name(conn, &info.community_name)
-  })
-  .await??
-  .into();
+  context: Data<LemmyContext>,
+) -> Result<HttpResponse, LemmyError> {
+  let community: ApubCommunity =
+    Community::read_from_name(&mut context.pool(), &info.community_name, true)
+      .await?
+      .into();
 
-  if !community.deleted {
-    let apub = community.to_apub(&**context).await?;
+  if !community.deleted && !community.removed {
+    let apub = community.into_json(&context).await?;
 
-    Ok(create_apub_response(&apub))
+    create_apub_response(&apub)
   } else {
-    Ok(create_apub_tombstone_response(&community.to_tombstone()?))
+    create_apub_tombstone_response(community.actor_id.clone())
   }
 }
 
-#[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.
+#[tracing::instrument(skip_all)]
 pub async fn community_inbox(
   request: HttpRequest,
-  payload: Payload,
-  _path: web::Path<String>,
-  context: web::Data<LemmyContext>,
+  body: Bytes,
+  data: Data<LemmyContext>,
 ) -> Result<HttpResponse, LemmyError> {
-  let unparsed = payload_to_string(payload).await?;
-  info!("Received community inbox activity {}", unparsed);
-  let activity = serde_json::from_str::<WithContext<GroupInboxActivities>>(&unparsed)?;
-
-  receive_group_inbox(activity.inner(), request, &context).await?;
-
-  Ok(HttpResponse::Ok().finish())
-}
-
-pub(in crate::http) async fn receive_group_inbox(
-  activity: GroupInboxActivities,
-  request: HttpRequest,
-  context: &LemmyContext,
-) -> Result<HttpResponse, LemmyError> {
-  let res = receive_activity(request, activity.clone(), context).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_domains_match(&community.actor_id(), announcable.id_unchecked())?;
-    verify_person_in_community(&actor_id, &community, context, &mut 0).await?;
-    if community.local {
-      AnnounceActivity::send(announcable, &community, vec![], context).await?;
-    }
-  }
-
-  res
+  receive_activity::<WithContext<GroupInboxActivities>, ApubPerson, LemmyContext>(
+    request, body, &data,
+  )
+  .await
 }
 
 /// Returns an empty followers collection, only populating the size (for privacy).
 pub(crate) async fn get_apub_community_followers(
   info: web::Path<CommunityQuery>,
-  context: web::Data<LemmyContext>,
-) -> Result<HttpResponse<Body>, LemmyError> {
-  let community = blocking(context.pool(), move |conn| {
-    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_id(community.followers_url.into())
-    .set_total_items(community_followers.len() as u64);
-  let collection = WithContext::new(collection);
-  Ok(create_apub_response(&collection))
+  context: Data<LemmyContext>,
+) -> Result<HttpResponse, LemmyError> {
+  let community =
+    Community::read_from_name(&mut context.pool(), &info.community_name, false).await?;
+  let followers = GroupFollowers::new(community, &context).await?;
+  create_apub_response(&followers)
 }
 
 /// Returns the community outbox, which is populated by a maximum of 20 posts (but no other
 /// activites like votes or comments).
 pub(crate) async fn get_apub_community_outbox(
   info: web::Path<CommunityQuery>,
-  context: web::Data<LemmyContext>,
-) -> Result<HttpResponse<Body>, LemmyError> {
-  let community = blocking(context.pool(), move |conn| {
-    Community::read_from_name(conn, &info.community_name)
-  })
-  .await??;
-  let id = ObjectId::new(generate_outbox_url(&community.actor_id)?.into_inner());
-  let outbox_data = CommunityContext(community.into(), context.get_ref().clone());
-  let outbox: ApubCommunityOutbox = id.dereference(&outbox_data, &mut 0).await?;
-  Ok(create_apub_response(&outbox.to_apub(&outbox_data).await?))
+  context: Data<LemmyContext>,
+) -> Result<HttpResponse, LemmyError> {
+  let community: ApubCommunity =
+    Community::read_from_name(&mut context.pool(), &info.community_name, false)
+      .await?
+      .into();
+  if community.deleted || community.removed {
+    return Err(LemmyErrorType::Deleted)?;
+  }
+  let outbox = ApubCommunityOutbox::read_local(&community, &context).await?;
+  create_apub_response(&outbox)
 }
 
+#[tracing::instrument(skip_all)]
 pub(crate) async fn get_apub_community_moderators(
   info: web::Path<CommunityQuery>,
-  context: web::Data<LemmyContext>,
-) -> Result<HttpResponse<Body>, LemmyError> {
-  let community: ApubCommunity = blocking(context.pool(), move |conn| {
-    Community::read_from_name(conn, &info.community_name)
-  })
-  .await??
-  .into();
-  let id = ObjectId::new(generate_outbox_url(&community.actor_id)?.into_inner());
-  let outbox_data = CommunityContext(community, context.get_ref().clone());
-  let moderators: ApubCommunityModerators = id.dereference(&outbox_data, &mut 0).await?;
-  Ok(create_apub_response(
-    &moderators.to_apub(&outbox_data).await?,
-  ))
+  context: Data<LemmyContext>,
+) -> Result<HttpResponse, LemmyError> {
+  let community: ApubCommunity =
+    Community::read_from_name(&mut context.pool(), &info.community_name, false)
+      .await?
+      .into();
+  if community.deleted || community.removed {
+    return Err(LemmyErrorType::Deleted)?;
+  }
+  let moderators = ApubCommunityModerators::read_local(&community, &context).await?;
+  create_apub_response(&moderators)
+}
+
+/// Returns collection of featured (stickied) posts.
+pub(crate) async fn get_apub_community_featured(
+  info: web::Path<CommunityQuery>,
+  context: Data<LemmyContext>,
+) -> Result<HttpResponse, LemmyError> {
+  let community: ApubCommunity =
+    Community::read_from_name(&mut context.pool(), &info.community_name, false)
+      .await?
+      .into();
+  if community.deleted || community.removed {
+    return Err(LemmyErrorType::Deleted)?;
+  }
+  let featured = ApubCommunityFeatured::read_local(&community, &context).await?;
+  create_apub_response(&featured)
 }