use actix_web::{error::ErrorBadRequest, web, Error, HttpResponse, Result}; use anyhow::anyhow; use lemmy_api_common::context::LemmyContext; use lemmy_db_schema::RegistrationMode; use lemmy_db_views::structs::SiteView; use lemmy_utils::{error::LemmyError, version}; 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( context: web::Data, ) -> Result { let node_info = NodeInfoWellKnown { links: vec![NodeInfoWellKnownLinks { rel: Url::parse("http://nodeinfo.diaspora.software/ns/schema/2.0")?, href: Url::parse(&format!( "{}/nodeinfo/2.0.json", &context.settings().get_protocol_and_hostname(), ))?, }], }; Ok(HttpResponse::Ok().json(node_info)) } async fn node_info(context: web::Data) -> Result { let site_view = SiteView::read_local(&mut context.pool()) .await .map_err(|_| ErrorBadRequest(LemmyError::from(anyhow!("not_found"))))?; let protocols = if site_view.local_site.federation_enabled { Some(vec!["activitypub".to_string()]) } else { None }; let open_registrations = Some(site_view.local_site.registration_mode == RegistrationMode::Open); let json = NodeInfo { version: Some("2.0".to_string()), software: Some(NodeInfoSoftware { name: Some("lemmy".to_string()), version: Some(version::VERSION.to_string()), }), protocols, usage: Some(NodeInfoUsage { users: Some(NodeInfoUsers { total: Some(site_view.counts.users), active_halfyear: Some(site_view.counts.users_active_half_year), active_month: Some(site_view.counts.users_active_month), }), local_posts: Some(site_view.counts.posts), local_comments: Some(site_view.counts.comments), }), open_registrations, }; Ok(HttpResponse::Ok().json(json)) } #[derive(Serialize, Deserialize, Debug)] struct NodeInfoWellKnown { pub links: Vec, } #[derive(Serialize, Deserialize, Debug)] struct NodeInfoWellKnownLinks { pub rel: Url, pub href: Url, } #[derive(Serialize, Deserialize, Debug, Default)] #[serde(rename_all = "camelCase", default)] pub struct NodeInfo { pub version: Option, pub software: Option, pub protocols: Option>, pub usage: Option, pub open_registrations: Option, } #[derive(Serialize, Deserialize, Debug, Default)] #[serde(default)] pub struct NodeInfoSoftware { pub name: Option, pub version: Option, } #[derive(Serialize, Deserialize, Debug, Default)] #[serde(rename_all = "camelCase", default)] pub struct NodeInfoUsage { pub users: Option, pub local_posts: Option, pub local_comments: Option, } #[derive(Serialize, Deserialize, Debug, Default)] #[serde(rename_all = "camelCase", default)] pub struct NodeInfoUsers { pub total: Option, pub active_halfyear: Option, pub active_month: Option, }