lemmy/lemmy_apub/src/activities/receive/mod.rs

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use crate::{fetcher::get_or_fetch_and_upsert_community, ActorType};
use activitystreams::{
base::{Extends, ExtendsExt},
object::{AsObject, ObjectExt},
};
use actix_web::HttpResponse;
use anyhow::Context;
use lemmy_db::user::User_;
use lemmy_utils::{location_info, LemmyError};
use lemmy_websocket::LemmyContext;
use log::debug;
use serde::Serialize;
use std::fmt::Debug;
use url::Url;
pub mod announce;
pub mod create;
pub mod delete;
pub mod dislike;
pub mod like;
pub mod remove;
pub mod undo;
mod undo_comment;
mod undo_post;
pub mod update;
fn receive_unhandled_activity<A>(activity: A) -> Result<HttpResponse, LemmyError>
where
A: Debug,
{
debug!("received unhandled activity type: {:?}", activity);
Ok(HttpResponse::NotImplemented().finish())
}
async fn announce_if_community_is_local<T, Kind>(
activity: T,
user: &User_,
context: &LemmyContext,
) -> Result<(), LemmyError>
where
T: AsObject<Kind>,
T: Extends<Kind>,
Kind: Serialize,
<T as Extends<Kind>>::Error: From<serde_json::Error> + Send + Sync + 'static,
{
let cc = activity.cc().context(location_info!())?;
let cc = cc.as_many().context(location_info!())?;
let community_followers_uri = cc
.first()
.context(location_info!())?
.as_xsd_any_uri()
.context(location_info!())?;
// TODO: this is hacky but seems to be the only way to get the community ID
let community_uri = community_followers_uri
.to_string()
.replace("/followers", "");
let community = get_or_fetch_and_upsert_community(&Url::parse(&community_uri)?, context).await?;
if community.local {
community
.send_announce(activity.into_any_base()?, &user, context)
.await?;
}
Ok(())
}