lemmy/crates/routes/src/nodeinfo.rs

119 lines
3.4 KiB
Rust

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::{
cache_header::{cache_1hour, cache_3days},
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).wrap(cache_1hour()),
)
.route(
"/.well-known/nodeinfo",
web::get().to(node_info_well_known).wrap(cache_3days()),
);
}
async fn node_info_well_known(
context: web::Data<LemmyContext>,
) -> Result<HttpResponse, LemmyError> {
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<LemmyContext>) -> Result<HttpResponse, Error> {
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
};
// Since there are 3 registration options,
// we need to set open_registrations as true if RegistrationMode is not Closed.
let open_registrations = Some(site_view.local_site.registration_mode != RegistrationMode::Closed);
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<NodeInfoWellKnownLinks>,
}
#[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<String>,
pub software: Option<NodeInfoSoftware>,
pub protocols: Option<Vec<String>>,
pub usage: Option<NodeInfoUsage>,
pub open_registrations: Option<bool>,
}
#[derive(Serialize, Deserialize, Debug, Default)]
#[serde(default)]
pub struct NodeInfoSoftware {
pub name: Option<String>,
pub version: Option<String>,
}
#[derive(Serialize, Deserialize, Debug, Default)]
#[serde(rename_all = "camelCase", default)]
pub struct NodeInfoUsage {
pub users: Option<NodeInfoUsers>,
pub local_posts: Option<i64>,
pub local_comments: Option<i64>,
}
#[derive(Serialize, Deserialize, Debug, Default)]
#[serde(rename_all = "camelCase", default)]
pub struct NodeInfoUsers {
pub total: Option<i64>,
pub active_halfyear: Option<i64>,
pub active_month: Option<i64>,
}