1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
mod middleware;
mod controller;
mod codec;
mod node;
mod resource;
use std::net::SocketAddr;
use std::sync::Arc;
use anyhow::Result;
use hyper::service::service_fn;
use hyper::{Request, Response};
use hyper::server::conn::http1 as http;
use hyper::rt::{Read, Write};
use hyper_util::rt::TokioIo;
use futures::stream::{FuturesUnordered, StreamExt};
use tokio::net::TcpListener;
use tokio::sync::watch;
use tokio_rustls::TlsAcceptor;
use tokio::net::TcpStream;
use futures::future::FutureExt;
use tokio::io::{AsyncRead, AsyncWrite};
use rustls_pemfile::{certs, private_key};
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>
|
