lemmy/server/src/routes/federation.rs

use crate::api::community::ListCommunities;
use crate::api::Oper;
use crate::api::Perform;
use crate::apub;
use crate::settings::Settings;
use actix_web::web::Query;
use actix_web::{web, HttpResponse};
use diesel::r2d2::{ConnectionManager, Pool};
use diesel::PgConnection;

pub fn config(cfg: &mut web::ServiceConfig) {
  if Settings::get().federation.enabled {
    println!("federation enabled, host is {}", Settings::get().hostname);
    cfg
      .route(
        "/federation/c/{community_name}",
        web::get().to(apub::community::get_apub_community),
      )
      .route(
        "/federation/c/{community_name}/followers",
        web::get().to(apub::community::get_apub_community_followers),
      )
      .route(
        "/federation/c/{community_name}/outbox",
        web::get().to(apub::community::get_apub_community_outbox),
      )
      .route(
        "/federation/u/{user_name}",
        web::get().to(apub::user::get_apub_user),
      )
      .route(
        "/federation/p/{post_id}",
        web::get().to(apub::user::get_apub_user),
      )
      // TODO: we should be able to remove this but somehow that breaks the remote community list
      .route(
        "/api/v1/communities/list",
        web::get().to(
          |query: Query<ListCommunities>, db: web::Data<Pool<ConnectionManager<PgConnection>>>| {
            let res = Oper::new(query.into_inner())
              .perform(&db.get().unwrap())
              .unwrap();
            HttpResponse::Ok()
              .content_type("application/json")
              .body(serde_json::to_string(&res).unwrap())
          },
        ),
      );
  }
}