use crate::{version, LemmyContext}; use actix_web::{body::Body, error::ErrorBadRequest, *}; use anyhow::anyhow; use lemmy_structs::blocking; use lemmy_db::site_view::SiteView; use lemmy_utils::{apub::get_apub_protocol_string, settings::Settings, LemmyError}; use serde::{Deserialize, Serialize}; use url::Url; pub fn config(cfg: &mut web::ServiceConfig) { cfg .route("/nodeinfo/2.0.json", web::get().to(node_info)) .route("/.well-known/nodeinfo", web::get().to(node_info_well_known)); } async fn node_info_well_known() -> Result, LemmyError> { let node_info = NodeInfoWellKnown { links: NodeInfoWellKnownLinks { rel: Url::parse("http://nodeinfo.diaspora.software/ns/schema/2.0")?, href: Url::parse(&format!( "{}://{}/nodeinfo/2.0.json", get_apub_protocol_string(), Settings::get().hostname ))?, }, }; Ok(HttpResponse::Ok().json(node_info)) } async fn node_info(context: web::Data) -> Result { let site_view = blocking(context.pool(), SiteView::read) .await? .map_err(|_| ErrorBadRequest(LemmyError::from(anyhow!("not_found"))))?; let protocols = if Settings::get().federation.enabled { vec!["activitypub".to_string()] } else { vec![] }; let json = NodeInfo { version: "2.0".to_string(), software: NodeInfoSoftware { name: "lemmy".to_string(), version: version::VERSION.to_string(), }, protocols, usage: NodeInfoUsage { users: NodeInfoUsers { total: site_view.number_of_users, }, local_posts: site_view.number_of_posts, local_comments: site_view.number_of_comments, open_registrations: site_view.open_registration, }, }; Ok(HttpResponse::Ok().json(json)) } #[derive(Serialize, Deserialize, Debug)] pub struct NodeInfoWellKnown { pub links: NodeInfoWellKnownLinks, } #[derive(Serialize, Deserialize, Debug)] pub struct NodeInfoWellKnownLinks { pub rel: Url, pub href: Url, } #[derive(Serialize, Deserialize, Debug)] pub struct NodeInfo { pub version: String, pub software: NodeInfoSoftware, pub protocols: Vec, pub usage: NodeInfoUsage, } #[derive(Serialize, Deserialize, Debug)] pub struct NodeInfoSoftware { pub name: String, pub version: String, } #[derive(Serialize, Deserialize, Debug)] #[serde(rename_all = "camelCase")] pub struct NodeInfoUsage { pub users: NodeInfoUsers, pub local_posts: i64, pub local_comments: i64, pub open_registrations: bool, } #[derive(Serialize, Deserialize, Debug)] pub struct NodeInfoUsers { pub total: i64, }