lemmy/server/src/routes/nodeinfo.rs

120 lines
3.1 KiB
Rust

use crate::apub::get_apub_protocol_string;
use crate::db::site_view::SiteView;
use crate::version;
use crate::Settings;
use actix_web::body::Body;
use actix_web::web;
use actix_web::HttpResponse;
use diesel::r2d2::{ConnectionManager, Pool};
use diesel::PgConnection;
use serde::{Deserialize, Serialize};
use std::fmt::Debug;
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() -> HttpResponse<Body> {
let node_info = NodeInfoWellKnown {
links: NodeInfoWellKnownLinks {
rel: "http://nodeinfo.diaspora.software/ns/schema/2.0".to_string(),
href: format!(
"{}://{}/nodeinfo/2.0.json",
get_apub_protocol_string(),
Settings::get().hostname
),
},
};
HttpResponse::Ok().json(node_info)
}
async fn node_info(
db: web::Data<Pool<ConnectionManager<PgConnection>>>,
) -> Result<HttpResponse, actix_web::Error> {
let res = web::block(move || {
let conn = db.get()?;
let site_view = match SiteView::read(&conn) {
Ok(site_view) => site_view,
Err(_) => return Err(format_err!("not_found")),
};
let protocols = if Settings::get().federation.enabled {
vec!["activitypub".to_string()]
} else {
vec![]
};
Ok(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,
},
metadata: NodeInfoMetadata {
community_list_url: Some(format!(
"{}://{}/federation/communities",
get_apub_protocol_string(),
Settings::get().hostname
)),
},
})
})
.await
.map(|json| HttpResponse::Ok().json(json))
.map_err(|_| HttpResponse::InternalServerError())?;
Ok(res)
}
#[derive(Serialize, Deserialize, Debug)]
pub struct NodeInfoWellKnown {
pub links: NodeInfoWellKnownLinks,
}
#[derive(Serialize, Deserialize, Debug)]
pub struct NodeInfoWellKnownLinks {
pub rel: String,
pub href: String,
}
#[derive(Serialize, Deserialize, Debug)]
pub struct NodeInfo {
pub version: String,
pub software: NodeInfoSoftware,
pub protocols: Vec<String>,
pub usage: NodeInfoUsage,
pub metadata: NodeInfoMetadata,
}
#[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,
}
#[derive(Serialize, Deserialize, Debug)]
pub struct NodeInfoMetadata {
pub community_list_url: Option<String>,
}