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|
mod codec;
mod controller;
mod middleware;
mod node;
mod resource;
use std::net::SocketAddr;
use std::sync::Arc;
use anyhow::Result;
use futures::future::FutureExt;
use futures::stream::{FuturesUnordered, StreamExt};
use hyper::rt::{Read, Write};
use hyper::server::conn::http1 as http;
use hyper::service::service_fn;
use hyper::{Request, Response};
use hyper_util::rt::TokioIo;
use rustls_pemfile::{certs, private_key};
use tokio::io::{AsyncRead, AsyncWrite};
use tokio::net::TcpListener;
use tokio::net::TcpStream;
use tokio::sync::watch;
use tokio_rustls::TlsAcceptor;
use aero_user::config::{DavConfig, DavUnsecureConfig};
use aero_user::login::ArcLoginProvider;
use crate::dav::controller::Controller;
pub struct Server {
bind_addr: SocketAddr,
login_provider: ArcLoginProvider,
tls: Option<TlsAcceptor>,
}
pub fn new_unsecure(config: DavUnsecureConfig, login: ArcLoginProvider) -> Server {
Server {
bind_addr: config.bind_addr,
login_provider: login,
tls: None,
}
}
pub fn new(config: DavConfig, login: ArcLoginProvider) -> Result<Server> {
let loaded_certs = certs(&mut std::io::BufReader::new(std::fs::File::open(
config.certs,
)?))
.collect::<Result<Vec<_>, _>>()?;
let loaded_key = private_key(&mut std::io::BufReader::new(std::fs::File::open(
config.key,
)?))?
.unwrap();
let tls_config = rustls::ServerConfig::builder()
.with_no_client_auth()
.with_single_cert(loaded_certs, loaded_key)?;
let acceptor = TlsAcceptor::from(Arc::new(tls_config));
Ok(Server {
bind_addr: config.bind_addr,
login_provider: login,
tls: Some(acceptor),
})
}
trait Stream: Read + Write + Send + Unpin {}
impl<T: Unpin + AsyncRead + AsyncWrite + Send> Stream for TokioIo<T> {}
impl Server {
pub async fn run(self: Self, mut must_exit: watch::Receiver<bool>) -> Result<()> {
let tcp = TcpListener::bind(self.bind_addr).await?;
tracing::info!("DAV server listening on {:#}", self.bind_addr);
let mut connections = FuturesUnordered::new();
while !*must_exit.borrow() {
let wait_conn_finished = async {
if connections.is_empty() {
futures::future::pending().await
} else {
connections.next().await
}
};
let (socket, remote_addr) = tokio::select! {
a = tcp.accept() => a?,
_ = wait_conn_finished => continue,
_ = must_exit.changed() => continue,
};
tracing::info!("Accepted connection from {}", remote_addr);
let stream = match self.build_stream(socket).await {
Ok(v) => v,
Err(e) => {
tracing::error!(err=?e, "TLS acceptor failed");
continue;
}
};
let login = self.login_provider.clone();
let conn = tokio::spawn(async move {
//@FIXME should create a generic "public web" server on which "routers" could be
//abitrarily bound
//@FIXME replace with a handler supporting http2 and TLS
match http::Builder::new()
.serve_connection(
stream,
service_fn(|req: Request<hyper::body::Incoming>| {
let login = login.clone();
tracing::info!("{:?} {:?}", req.method(), req.uri());
async {
match middleware::auth(login, req, |user, request| {
async { Controller::route(user, request).await }.boxed()
})
.await
{
Ok(v) => Ok(v),
Err(e) => {
tracing::error!(err=?e, "internal error");
Response::builder()
.status(500)
.body(codec::text_body("Internal error"))
}
}
}
}),
)
.await
{
Err(e) => tracing::warn!(err=?e, "connection failed"),
Ok(()) => tracing::trace!("connection terminated with success"),
}
});
connections.push(conn);
}
drop(tcp);
tracing::info!("Server shutting down, draining remaining connections...");
while connections.next().await.is_some() {}
Ok(())
}
async fn build_stream(&self, socket: TcpStream) -> Result<Box<dyn Stream>> {
match self.tls.clone() {
Some(acceptor) => {
let stream = acceptor.accept(socket).await?;
Ok(Box::new(TokioIo::new(stream)))
}
None => Ok(Box::new(TokioIo::new(socket))),
}
}
}
// <D:propfind xmlns:D='DAV:' xmlns:A='http://apple.com/ns/ical/'>
// <D:prop>
// <D:getcontenttype/>
// <D:resourcetype/>
// <D:displayname/>
// <A:calendar-color/>
// </D:prop>
// </D:propfind>
// <D:propfind xmlns:D='DAV:' xmlns:A='http://apple.com/ns/ical/' xmlns:C='urn:ietf:params:xml:ns:caldav'>
// <D:prop>
// <D:resourcetype/>
// <D:owner/>
// <D:displayname/>
// <D:current-user-principal/>
// <D:current-user-privilege-set/>
// <A:calendar-color/>
// <C:calendar-home-set/>
// </D:prop>
// </D:propfind>
// <D:propfind xmlns:D='DAV:' xmlns:C='urn:ietf:params:xml:ns:caldav' xmlns:CS='http://calendarserver.org/ns/'>
// <D:prop>
// <D:resourcetype/>
// <D:owner/>
// <D:current-user-principal/>
// <D:current-user-privilege-set/>
// <D:supported-report-set/>
// <C:supported-calendar-component-set/>
// <CS:getctag/>
// </D:prop>
// </D:propfind>
// <C:calendar-multiget xmlns:D="DAV:" xmlns:C="urn:ietf:params:xml:ns:caldav">
// <D:prop>
// <D:getetag/>
// <C:calendar-data/>
// </D:prop>
// <D:href>/alice/calendar/personal/something.ics</D:href>
// </C:calendar-multiget>
|
