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// TODO: logging (dropped errors)
#![allow(unused_must_use)]
use std::{
net::{IpAddr, SocketAddr},
str::FromStr,
};
use tokio::net::TcpStream;
mod jid;
pub struct Jabber {
connection: Option<TcpStream>,
login: jid::JID,
password: String,
}
impl Jabber {
fn new(login: jid::JID, password: String) -> Self {
Self {
connection: None,
login,
password,
}
}
async fn resolve_client(&self) -> Vec<SocketAddr> {
let mut socket_addrs = Vec::new();
// if it's a socket/ip then just return that
// socket
if let Ok(socket_addr) = SocketAddr::from_str(&self.login.domainpart) {
socket_addrs.push(socket_addr);
return socket_addrs;
}
// ip
if let Ok(ip) = IpAddr::from_str(&self.login.domainpart) {
socket_addrs.push(SocketAddr::new(ip, 5222));
socket_addrs.push(SocketAddr::new(ip, 5223));
return socket_addrs;
}
// if port specified return name resolutions with specified port
// otherwise resolve
if let Ok(resolver) = trust_dns_resolver::AsyncResolver::tokio_from_system_conf() {
if let Ok(lookup) = resolver
.srv_lookup(format!("_xmpp-client._tcp.{}", self.login.domainpart))
.await
{
for srv in lookup {
resolver
.lookup_ip(srv.target().to_owned())
.await
.map(|ips| {
for ip in ips {
socket_addrs.push(SocketAddr::new(ip, srv.port()))
}
});
}
}
if let Ok(lookup) = resolver
.srv_lookup(format!("_xmpps-client._tcp.{}", self.login.domainpart))
.await
{
for srv in lookup {
resolver
.lookup_ip(srv.target().to_owned())
.await
.map(|ips| {
for ip in ips {
socket_addrs.push(SocketAddr::new(ip, srv.port()))
}
});
}
}
// in case cannot connect through SRV records
resolver.lookup_ip(&self.login.domainpart).await.map(|ips| {
for ip in ips {
socket_addrs.push(SocketAddr::new(ip, 5222));
socket_addrs.push(SocketAddr::new(ip, 5223));
}
});
}
socket_addrs
}
async fn connect(&mut self) {
for socket_addr in self.resolve_client().await {
println!("trying {}", socket_addr);
if let Ok(stream) = TcpStream::connect(socket_addr).await {
println!("connected to {}", socket_addr);
self.connection = Some(stream);
return;
}
}
println!("could not connect")
}
}
#[cfg(test)]
mod tests {
use crate::jid::JID;
use super::*;
#[tokio::test]
async fn get_sockets() {
let client = Jabber::new(JID::from_str("cel@blos.sm").unwrap(), "password".to_owned());
println!("{:?}", client.resolve_client().await)
}
}
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