crates/apub/src/protocol/activities/block/block_user.rs

   1 use crate::{
   2   activities::{block::SiteOrCommunity, 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::BlockType,
  10   protocol::helpers::deserialize_one_or_many,
  11 };
  12 use anyhow::anyhow;
  13 use chrono::{DateTime, FixedOffset};
  14 use lemmy_api_common::context::LemmyContext;
  15 use lemmy_utils::error::LemmyError;
  16 use serde::{Deserialize, Serialize};
  17 use serde_with::skip_serializing_none;
  18 use url::Url;
  19
  20 #[skip_serializing_none]
  21 #[derive(Clone, Debug, Deserialize, Serialize)]
  22 #[serde(rename_all = "camelCase")]
  23 pub struct BlockUser {
  24   pub(crate) actor: ObjectId<ApubPerson>,
  25   #[serde(deserialize_with = "deserialize_one_or_many")]
  26   pub(crate) to: Vec<Url>,
  27   pub(crate) object: ObjectId<ApubPerson>,
  28   #[serde(deserialize_with = "deserialize_one_or_many")]
  29   pub(crate) cc: Vec<Url>,
  30   pub(crate) target: ObjectId<SiteOrCommunity>,
  31   #[serde(rename = "type")]
  32   pub(crate) kind: BlockType,
  33   pub(crate) id: Url,
  34   pub(crate) audience: Option<ObjectId<ApubCommunity>>,
  35
  36   /// Quick and dirty solution.
  37   /// TODO: send a separate Delete activity instead
  38   pub(crate) remove_data: Option<bool>,
  39   /// block reason, written to mod log
  40   pub(crate) summary: Option<String>,
  41   pub(crate) expires: Option<DateTime<FixedOffset>>,
  42 }
  43
  44 #[async_trait::async_trait]
  45 impl InCommunity for BlockUser {
  46   async fn community(&self, context: &Data<LemmyContext>) -> Result<ApubCommunity, LemmyError> {
  47     let target = self.target.dereference(context).await?;
  48     let community = match target {
  49       SiteOrCommunity::Community(c) => c,
  50       SiteOrCommunity::Site(_) => return Err(anyhow!("activity is not in community").into()),
  51     };
  52     if let Some(audience) = &self.audience {
  53       verify_community_matches(audience, community.actor_id.clone())?;
  54     }
  55     Ok(community)
  56   }
  57 }