]> Untitled Git - lemmy.git/blobdiff - crates/apub/src/activities/community/update.rs
Moving settings to Database. (#2492)
[lemmy.git] / crates / apub / src / activities / community / update.rs
index 964a423889d727d1faa077f945e0ad111f18dc9b..b444f4f5eb6e49e1418a26fa07aa9a08a959d907 100644 (file)
 use crate::{
   activities::{
-    community::send_websocket_message,
-    verify_activity,
+    community::{announce::GetCommunity, send_activity_in_community},
+    generate_activity_id,
+    verify_is_public,
     verify_mod_action,
     verify_person_in_community,
   },
-  objects::community::Group,
+  activity_lists::AnnouncableActivities,
+  check_apub_id_valid,
+  fetch_local_site_data,
+  local_instance,
+  objects::{community::ApubCommunity, person::ApubPerson},
+  protocol::activities::community::update::UpdateCommunity,
+  ActorType,
 };
-use activitystreams::activity::kind::UpdateType;
-use lemmy_api_common::blocking;
-use lemmy_apub_lib::{values::PublicUrl, ActivityCommonFields, ActivityHandler};
-use lemmy_db_queries::{ApubObject, Crud};
-use lemmy_db_schema::source::community::{Community, CommunityForm};
-use lemmy_utils::LemmyError;
-use lemmy_websocket::{LemmyContext, UserOperationCrud};
+use activitypub_federation::{
+  core::object_id::ObjectId,
+  data::Data,
+  traits::{ActivityHandler, ApubObject},
+};
+use activitystreams_kinds::{activity::UpdateType, public};
+use lemmy_api_common::utils::blocking;
+use lemmy_db_schema::{source::community::Community, traits::Crud};
+use lemmy_utils::error::LemmyError;
+use lemmy_websocket::{send::send_community_ws_message, LemmyContext, UserOperationCrud};
 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, serde::Deserialize, serde::Serialize)]
-#[serde(rename_all = "camelCase")]
-pub struct UpdateCommunity {
-  to: PublicUrl,
-  object: Group,
-  cc: [Url; 1],
-  #[serde(rename = "type")]
-  kind: UpdateType,
-  #[serde(flatten)]
-  common: ActivityCommonFields,
+impl UpdateCommunity {
+  #[tracing::instrument(skip_all)]
+  pub async fn send(
+    community: ApubCommunity,
+    actor: &ApubPerson,
+    context: &LemmyContext,
+  ) -> Result<(), LemmyError> {
+    let id = generate_activity_id(
+      UpdateType::Update,
+      &context.settings().get_protocol_and_hostname(),
+    )?;
+    let update = UpdateCommunity {
+      actor: ObjectId::new(actor.actor_id()),
+      to: vec![public()],
+      object: Box::new(community.clone().into_apub(context).await?),
+      cc: vec![community.actor_id()],
+      kind: UpdateType::Update,
+      id: id.clone(),
+      unparsed: Default::default(),
+    };
+
+    let activity = AnnouncableActivities::UpdateCommunity(update);
+    send_activity_in_community(activity, actor, &community, vec![], context).await
+  }
 }
 
 #[async_trait::async_trait(?Send)]
 impl ActivityHandler for UpdateCommunity {
+  type DataType = LemmyContext;
+  type Error = LemmyError;
+
+  fn id(&self) -> &Url {
+    &self.id
+  }
+
+  fn actor(&self) -> &Url {
+    self.actor.inner()
+  }
+
+  #[tracing::instrument(skip_all)]
   async fn verify(
     &self,
-    context: &LemmyContext,
+    context: &Data<LemmyContext>,
     request_counter: &mut i32,
   ) -> Result<(), LemmyError> {
-    verify_activity(self.common())?;
-    verify_person_in_community(&self.common.actor, &self.cc[0], context, request_counter).await?;
-    verify_mod_action(&self.common.actor, self.cc[0].clone(), context).await?;
+    let local_site_data = blocking(context.pool(), fetch_local_site_data).await??;
+    check_apub_id_valid(self.id(), &local_site_data, context.settings())
+      .map_err(LemmyError::from_message)?;
+    verify_is_public(&self.to, &self.cc)?;
+    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,
+      self.object.id.inner(),
+      community.id,
+      context,
+      request_counter,
+    )
+    .await?;
+    ApubCommunity::verify(
+      &self.object,
+      &community.actor_id.clone().into(),
+      context,
+      request_counter,
+    )
+    .await?;
     Ok(())
   }
 
+  #[tracing::instrument(skip_all)]
   async fn receive(
     self,
-    context: &LemmyContext,
-    _request_counter: &mut i32,
+    context: &Data<LemmyContext>,
+    request_counter: &mut i32,
   ) -> Result<(), LemmyError> {
-    let cc = self.cc[0].clone().into();
-    let community = blocking(context.pool(), move |conn| {
-      Community::read_from_apub_id(conn, &cc)
-    })
-    .await??;
+    let community = self.get_community(context, request_counter).await?;
+
+    let community_update_form = self.object.into_update_form();
 
-    let updated_community =
-      Group::from_apub_to_form(&self.object, &community.actor_id.clone().into()).await?;
-    let cf = CommunityForm {
-      name: updated_community.name,
-      title: updated_community.title,
-      description: updated_community.description,
-      nsfw: updated_community.nsfw,
-      // TODO: icon and banner would be hosted on the other instance, ideally we would copy it to ours
-      icon: updated_community.icon,
-      banner: updated_community.banner,
-      ..CommunityForm::default()
-    };
     let updated_community = blocking(context.pool(), move |conn| {
-      Community::update(conn, community.id, &cf)
+      Community::update(conn, community.id, &community_update_form)
     })
     .await??;
 
-    send_websocket_message(
+    send_community_ws_message(
       updated_community.id,
       UserOperationCrud::EditCommunity,
+      None,
+      None,
       context,
     )
-    .await
+    .await?;
+    Ok(())
   }
+}
 
-  fn common(&self) -> &ActivityCommonFields {
-    &self.common
+#[async_trait::async_trait(?Send)]
+impl GetCommunity for UpdateCommunity {
+  #[tracing::instrument(skip_all)]
+  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, local_instance(context), request_counter)
+      .await
   }
 }