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

   1 use crate::{
   2   activities::{community::get_community_from_moderators_url, verify_community_matches},
   3   local_instance,
   4   objects::{community::ApubCommunity, person::ApubPerson},
   5   protocol::InCommunity,
   6 };
   7 use activitypub_federation::{core::object_id::ObjectId, deser::helpers::deserialize_one_or_many};
   8 use activitystreams_kinds::activity::RemoveType;
   9 use lemmy_api_common::context::LemmyContext;
  10 use lemmy_utils::error::LemmyError;
  11 use serde::{Deserialize, Serialize};
  12 use url::Url;
  13
  14 #[derive(Clone, Debug, Deserialize, Serialize)]
  15 #[serde(rename_all = "camelCase")]
  16 pub struct RemoveMod {
  17   pub(crate) actor: ObjectId<ApubPerson>,
  18   #[serde(deserialize_with = "deserialize_one_or_many")]
  19   pub(crate) to: Vec<Url>,
  20   pub(crate) object: ObjectId<ApubPerson>,
  21   #[serde(deserialize_with = "deserialize_one_or_many")]
  22   pub(crate) cc: Vec<Url>,
  23   #[serde(rename = "type")]
  24   pub(crate) kind: RemoveType,
  25   pub(crate) target: Url,
  26   pub(crate) id: Url,
  27   pub(crate) audience: Option<ObjectId<ApubCommunity>>,
  28 }
  29
  30 #[async_trait::async_trait(?Send)]
  31 impl InCommunity for RemoveMod {
  32   async fn community(
  33     &self,
  34     context: &LemmyContext,
  35     request_counter: &mut i32,
  36   ) -> Result<ApubCommunity, LemmyError> {
  37     let mod_community =
  38       get_community_from_moderators_url(&self.target, context, request_counter).await?;
  39     if let Some(audience) = &self.audience {
  40       let audience = audience
  41         .dereference(context, local_instance(context).await, request_counter)
  42         .await?;
  43       verify_community_matches(&audience, mod_community.id)?;
  44       Ok(audience)
  45     } else {
  46       Ok(mod_community)
  47     }
  48   }
  49 }