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

   1 use crate::{
   2   activities::{
   3     community::send_activity_in_community,
   4     generate_activity_id,
   5     verify_is_public,
   6     verify_mod_action,
   7     verify_person_in_community,
   8   },
   9   activity_lists::AnnouncableActivities,
  10   insert_received_activity,
  11   objects::{community::ApubCommunity, person::ApubPerson},
  12   protocol::{activities::community::update::UpdateCommunity, InCommunity},
  13 };
  14 use activitypub_federation::{
  15   config::Data,
  16   kinds::{activity::UpdateType, public},
  17   traits::{ActivityHandler, Actor, Object},
  18 };
  19 use lemmy_api_common::context::LemmyContext;
  20 use lemmy_db_schema::{
  21   source::{community::Community, person::Person},
  22   traits::Crud,
  23 };
  24 use lemmy_utils::error::LemmyError;
  25 use url::Url;
  26
  27 pub(crate) async fn send_update_community(
  28   community: Community,
  29   actor: Person,
  30   context: Data<LemmyContext>,
  31 ) -> Result<(), LemmyError> {
  32   let community: ApubCommunity = community.into();
  33   let actor: ApubPerson = actor.into();
  34   let id = generate_activity_id(
  35     UpdateType::Update,
  36     &context.settings().get_protocol_and_hostname(),
  37   )?;
  38   let update = UpdateCommunity {
  39     actor: actor.id().into(),
  40     to: vec![public()],
  41     object: Box::new(community.clone().into_json(&context).await?),
  42     cc: vec![community.id()],
  43     kind: UpdateType::Update,
  44     id: id.clone(),
  45     audience: Some(community.id().into()),
  46   };
  47
  48   let activity = AnnouncableActivities::UpdateCommunity(update);
  49   send_activity_in_community(activity, &actor, &community, vec![], true, &context).await
  50 }
  51
  52 #[async_trait::async_trait]
  53 impl ActivityHandler for UpdateCommunity {
  54   type DataType = LemmyContext;
  55   type Error = LemmyError;
  56
  57   fn id(&self) -> &Url {
  58     &self.id
  59   }
  60
  61   fn actor(&self) -> &Url {
  62     self.actor.inner()
  63   }
  64
  65   #[tracing::instrument(skip_all)]
  66   async fn verify(&self, context: &Data<Self::DataType>) -> Result<(), LemmyError> {
  67     insert_received_activity(&self.id, context).await?;
  68     verify_is_public(&self.to, &self.cc)?;
  69     let community = self.community(context).await?;
  70     verify_person_in_community(&self.actor, &community, context).await?;
  71     verify_mod_action(&self.actor, self.object.id.inner(), community.id, context).await?;
  72     ApubCommunity::verify(&self.object, &community.actor_id.clone().into(), context).await?;
  73     Ok(())
  74   }
  75
  76   #[tracing::instrument(skip_all)]
  77   async fn receive(self, context: &Data<Self::DataType>) -> Result<(), LemmyError> {
  78     let community = self.community(context).await?;
  79
  80     let community_update_form = self.object.into_update_form();
  81
  82     Community::update(&mut context.pool(), community.id, &community_update_form).await?;
  83     Ok(())
  84   }
  85 }