use crate::apub::activities::accept_follow; use crate::apub::fetcher::fetch_remote_user; use crate::db::community::{Community, CommunityFollower, CommunityFollowerForm}; use crate::db::Followable; use activitystreams::activity::Follow; use actix_web::{web, HttpResponse}; use diesel::r2d2::{ConnectionManager, Pool}; use diesel::PgConnection; use failure::Error; use log::debug; use serde::Deserialize; use url::Url; #[serde(untagged)] #[derive(Deserialize, Debug)] pub enum CommunityAcceptedObjects { Follow(Follow), } #[derive(Deserialize)] pub struct Params { community_name: String, } /// Handler for all incoming activities to community inboxes. pub async fn community_inbox( input: web::Json, params: web::Query, db: web::Data>>, ) -> Result { let input = input.into_inner(); let conn = &db.get().unwrap(); debug!( "Community {} received activity {:?}", ¶ms.community_name, &input ); match input { CommunityAcceptedObjects::Follow(f) => handle_follow(&f, conn), } } /// Handle a follow request from a remote user, adding it to the local database and returning an /// Accept activity. fn handle_follow(follow: &Follow, conn: &PgConnection) -> Result { // TODO: make sure this is a local community let community_uri = follow .follow_props .get_object_xsd_any_uri() .unwrap() .to_string(); let community = Community::read_from_actor_id(conn, &community_uri)?; let user_uri = follow .follow_props .get_actor_xsd_any_uri() .unwrap() .to_string(); let user = fetch_remote_user(&Url::parse(&user_uri)?, conn)?; let community_follower_form = CommunityFollowerForm { community_id: community.id, user_id: user.id, }; CommunityFollower::follow(&conn, &community_follower_form)?; accept_follow(&follow)?; Ok(HttpResponse::Ok().finish()) }