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|
use kittybox::database::FileStorage;
use std::{env, time::Duration};
use tracing::{debug, error, info};
use url::Url;
#[tokio::main]
async fn main() {
// TODO use tracing instead of log
use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt, EnvFilter, Registry};
Registry::default()
.with(EnvFilter::from_default_env())
.with(tracing_subscriber::fmt::layer().json())
.init();
info!("Starting the kittybox server...");
let backend_uri: String = match env::var("BACKEND_URI") {
Ok(val) => {
debug!("Backend URI: {}", val);
val
}
Err(_) => {
error!("BACKEND_URI is not set, cannot find a database");
std::process::exit(1);
}
};
let token_endpoint: Url = match env::var("TOKEN_ENDPOINT") {
Ok(val) => {
debug!("Token endpoint: {}", val);
match Url::parse(&val) {
Ok(val) => val,
_ => {
error!("Token endpoint URL cannot be parsed, aborting.");
std::process::exit(1)
}
}
}
Err(_) => {
error!("TOKEN_ENDPOINT is not set, will not be able to authorize users!");
std::process::exit(1)
}
};
let authorization_endpoint: Url = match env::var("AUTHORIZATION_ENDPOINT") {
Ok(val) => {
debug!("Auth endpoint: {}", val);
match Url::parse(&val) {
Ok(val) => val,
_ => {
error!("Authorization endpoint URL cannot be parsed, aborting.");
std::process::exit(1)
}
}
}
Err(_) => {
error!("AUTHORIZATION_ENDPOINT is not set, will not be able to confirm token and ID requests using IndieAuth!");
std::process::exit(1)
}
};
let listen_at = match env::var("SERVE_AT")
.ok()
.unwrap_or_else(|| "[::]:8080".to_string())
.parse::<std::net::SocketAddr>()
{
Ok(addr) => addr,
Err(e) => {
error!("Cannot parse SERVE_AT: {}", e);
std::process::exit(1);
}
};
let http: reqwest::Client = {
#[allow(unused_mut)]
let mut builder = reqwest::Client::builder().user_agent(concat!(
env!("CARGO_PKG_NAME"),
"/",
env!("CARGO_PKG_VERSION")
));
// TODO: add a root certificate if there's an environment variable pointing at it
//builder = builder.add_root_certificate(reqwest::Certificate::from_pem(todo!()));
builder.build().unwrap()
};
if backend_uri.starts_with("redis") {
println!("The Redis backend is deprecated.");
std::process::exit(1);
} else if backend_uri.starts_with("file") {
let database = {
let folder = backend_uri.strip_prefix("file://").unwrap();
let path = std::path::PathBuf::from(folder);
match kittybox::database::FileStorage::new(path).await {
Ok(db) => db,
Err(err) => {
error!("Error creating database: {:?}", err);
std::process::exit(1);
}
}
};
let blobstore = {
let variable = std::env::var("BLOBSTORE_URI")
.unwrap();
let folder = variable
.strip_prefix("file://")
.unwrap();
let path = std::path::PathBuf::from(folder);
kittybox::media::storage::file::FileStore::new(path)
};
let svc = axum::Router::new()
.route(
"/",
axum::routing::get(kittybox::frontend::homepage::<FileStorage>),
)
.route(
"/.kittybox/coffee",
axum::routing::get(|| async {
use axum::http::{header, StatusCode};
(
StatusCode::IM_A_TEAPOT,
[(header::CONTENT_TYPE, "text/plain")],
"Sorry, can't brew coffee yet!",
)
}),
)
.route(
"/.kittybox/onboarding",
axum::routing::get(kittybox::frontend::onboarding::get)
.post(kittybox::frontend::onboarding::post::<FileStorage>),
)
.route(
"/.kittybox/micropub",
axum::routing::get(kittybox::micropub::query::<FileStorage>)
.post(kittybox::micropub::post::<FileStorage>)
.layer(
tower_http::cors::CorsLayer::new()
.allow_methods([axum::http::Method::GET, axum::http::Method::POST])
.allow_origin(tower_http::cors::Any),
),
)
.route(
"/.kittybox/micropub/client",
axum::routing::get(|| {
std::future::ready(axum::response::Html(kittybox::MICROPUB_CLIENT))
}),
)
.route(
"/.kittybox/health",
axum::routing::get(|| async {
// TODO health-check the database
"OK"
}),
)
.route(
"/.kittybox/metrics",
axum::routing::get(|| async { todo!() }),
)
.nest(
"/.kittybox/media",
axum::Router::new()
.route(
"/",
axum::routing::get(|| async { todo!() })
.post(
kittybox::media::upload::<kittybox::media::FileStore>
),
)
.route("/uploads/*file", axum::routing::get(
kittybox::media::serve::<kittybox::media::FileStore>
)),
)
.route(
"/.kittybox/static/:path",
axum::routing::get(kittybox::frontend::statics),
)
.fallback(axum::routing::get(
kittybox::frontend::catchall::<FileStorage>,
))
.layer(axum::Extension(database))
.layer(axum::Extension(http))
.layer(axum::Extension(kittybox::tokenauth::TokenEndpoint(
token_endpoint,
)))
.layer(axum::Extension(blobstore))
.layer(
tower::ServiceBuilder::new()
.layer(tower_http::trace::TraceLayer::new_for_http())
.into_inner(),
);
// A little dance to turn a potential file descriptor into a guaranteed async network socket
let tcp_listener: std::net::TcpListener = {
let mut listenfd = listenfd::ListenFd::from_env();
let tcp_listener = if let Ok(Some(listener)) = listenfd.take_tcp_listener(0) {
listener
} else {
std::net::TcpListener::bind(listen_at).unwrap()
};
// Set the socket to non-blocking so tokio can work with it properly
// This is the async magic
tcp_listener.set_nonblocking(true).unwrap();
tcp_listener
};
info!("Listening on {}", tcp_listener.local_addr().unwrap());
let server = hyper::server::Server::from_tcp(tcp_listener)
.unwrap()
// Otherwise Chrome keeps connections open for too long
.tcp_keepalive(Some(Duration::from_secs(30 * 60)))
.serve(svc.into_make_service())
.with_graceful_shutdown(async move {
// Defer to C-c handler whenever we're not on Unix
// TODO consider using a diverging future here
#[cfg(not(unix))]
return tokio::signal::ctrl_c().await.unwrap();
#[cfg(unix)]
{
use tokio::signal::unix::{signal, SignalKind};
signal(SignalKind::terminate())
.unwrap()
.recv()
.await
.unwrap()
}
});
if let Err(err) = server.await {
error!("Error serving requests: {}", err);
std::process::exit(1);
}
} else {
println!("Unknown backend, not starting.");
std::process::exit(1);
}
}
|
