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use crate::{blocking, routes::DbPoolParam, version, LemmyError};
use actix_web::{body::Body, error::ErrorBadRequest, *};
use lemmy_db::site_view::SiteView;
use lemmy_utils::{get_apub_protocol_string, settings::Settings};
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<HttpResponse<Body>, 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(db: DbPoolParam) -> Result<HttpResponse, Error> {
let site_view = blocking(&db, SiteView::read)
.await?
.map_err(|_| ErrorBadRequest(LemmyError::from(format_err!("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<String>,
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,
}
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