crates/apub/src/activities/post/create.rs

   1 use crate::{
   2   activities::{post::send_websocket_message, verify_activity, verify_person_in_community},
   3   fetcher::person::get_or_fetch_and_upsert_person,
   4   objects::FromApub,
   5   ActorType,
   6   PageExt,
   7 };
   8 use activitystreams::{activity::kind::CreateType, base::BaseExt};
   9 use lemmy_apub_lib::{verify_domains_match_opt, ActivityCommonFields, ActivityHandler, PublicUrl};
  10 use lemmy_db_schema::source::post::Post;
  11 use lemmy_utils::LemmyError;
  12 use lemmy_websocket::{LemmyContext, UserOperationCrud};
  13 use url::Url;
  14
  15 #[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
  16 #[serde(rename_all = "camelCase")]
  17 pub struct CreatePost {
  18   to: PublicUrl,
  19   object: PageExt,
  20   cc: Vec<Url>,
  21   #[serde(rename = "type")]
  22   kind: CreateType,
  23   #[serde(flatten)]
  24   common: ActivityCommonFields,
  25 }
  26
  27 #[async_trait::async_trait(?Send)]
  28 impl ActivityHandler for CreatePost {
  29   async fn verify(
  30     &self,
  31     context: &LemmyContext,
  32     request_counter: &mut i32,
  33   ) -> Result<(), LemmyError> {
  34     verify_activity(self.common())?;
  35     verify_person_in_community(&self.common.actor, &self.cc, context, request_counter).await?;
  36     verify_domains_match_opt(&self.common.actor, self.object.id_unchecked())?;
  37     Ok(())
  38   }
  39
  40   async fn receive(
  41     &self,
  42     context: &LemmyContext,
  43     request_counter: &mut i32,
  44   ) -> Result<(), LemmyError> {
  45     let actor =
  46       get_or_fetch_and_upsert_person(&self.common.actor, context, request_counter).await?;
  47     let post = Post::from_apub(
  48       &self.object,
  49       context,
  50       actor.actor_id(),
  51       request_counter,
  52       false,
  53     )
  54     .await?;
  55
  56     send_websocket_message(post.id, UserOperationCrud::CreatePost, context).await
  57   }
  58
  59   fn common(&self) -> &ActivityCommonFields {
  60     &self.common
  61   }
  62 }