crates/apub/src/protocol/activities/community/collection_add.rs

   1 use crate::{
   2   activities::verify_community_matches,
   3   objects::{community::ApubCommunity, person::ApubPerson},
   4   protocol::InCommunity,
   5 };
   6 use activitypub_federation::{
   7   config::Data,
   8   fetch::object_id::ObjectId,
   9   kinds::activity::AddType,
  10   protocol::helpers::deserialize_one_or_many,
  11 };
  12 use lemmy_api_common::context::LemmyContext;
  13 use lemmy_db_schema::source::community::Community;
  14 use lemmy_utils::error::LemmyError;
  15 use serde::{Deserialize, Serialize};
  16 use url::Url;
  17
  18 #[derive(Clone, Debug, Deserialize, Serialize)]
  19 #[serde(rename_all = "camelCase")]
  20 pub struct CollectionAdd {
  21   pub(crate) actor: ObjectId<ApubPerson>,
  22   #[serde(deserialize_with = "deserialize_one_or_many")]
  23   pub(crate) to: Vec<Url>,
  24   pub(crate) object: Url,
  25   pub(crate) target: Url,
  26   #[serde(deserialize_with = "deserialize_one_or_many")]
  27   pub(crate) cc: Vec<Url>,
  28   #[serde(rename = "type")]
  29   pub(crate) kind: AddType,
  30   pub(crate) id: Url,
  31   pub(crate) audience: Option<ObjectId<ApubCommunity>>,
  32 }
  33
  34 #[async_trait::async_trait]
  35 impl InCommunity for CollectionAdd {
  36   async fn community(&self, context: &Data<LemmyContext>) -> Result<ApubCommunity, LemmyError> {
  37     let (community, _) =
  38       Community::get_by_collection_url(context.pool(), &self.clone().target.into()).await?;
  39     if let Some(audience) = &self.audience {
  40       verify_community_matches(audience, community.actor_id.clone())?;
  41     }
  42     Ok(community.into())
  43   }
  44 }