xmpp-rs/examples/contact_addr.rs
2019-09-08 21:28:44 +02:00

130 lines
3.9 KiB
Rust

use futures::{future, Sink, Stream};
use std::convert::TryFrom;
use std::env::args;
use std::process::exit;
use tokio::runtime::current_thread::Runtime;
use tokio_xmpp::{Client, xmpp_codec::Packet};
use xmpp_parsers::{
Element,
Jid,
ns,
iq::{
Iq,
IqType,
},
disco::{
DiscoInfoResult,
DiscoInfoQuery,
},
server_info::ServerInfo,
};
fn main() {
let args: Vec<String> = args().collect();
if args.len() != 4 {
println!("Usage: {} <jid> <password> <target>", args[0]);
exit(1);
}
let jid = &args[1];
let password = &args[2];
let target = &args[3];
// tokio_core context
let mut rt = Runtime::new().unwrap();
// Client instance
let client = Client::new(jid, password).unwrap();
// Make the two interfaces for sending and receiving independent
// of each other so we can move one into a closure.
let (mut sink, stream) = client.split();
// Wrap sink in Option so that we can take() it for the send(self)
// to consume and return it back when ready.
let mut send = move |packet| {
sink.start_send(packet).expect("start_send");
};
// Main loop, processes events
let mut wait_for_stream_end = false;
let done = stream.for_each(|event| {
if wait_for_stream_end {
/* Do Nothing. */
} else if event.is_online() {
println!("Online!");
let target_jid: Jid = target.clone().parse().unwrap();
let iq = make_disco_iq(target_jid);
println!("Sending disco#info request to {}", target.clone());
println!(">> {}", String::from(&iq));
send(Packet::Stanza(iq));
} else if let Some(stanza) = event.into_stanza() {
if stanza.is("iq", "jabber:client") {
let iq = Iq::try_from(stanza).unwrap();
if let IqType::Result(Some(payload)) = iq.payload {
if payload.is("query", ns::DISCO_INFO) {
if let Ok(disco_info) = DiscoInfoResult::try_from(payload) {
for ext in disco_info.extensions {
if let Ok(server_info) = ServerInfo::try_from(ext) {
print_server_info(server_info);
wait_for_stream_end = true;
send(Packet::StreamEnd);
}
}
}
}
}
}
}
Box::new(future::ok(()))
});
// Start polling `done`
match rt.block_on(done) {
Ok(_) => (),
Err(e) => {
println!("Fatal: {}", e);
()
}
}
}
fn make_disco_iq(target: Jid) -> Element {
Iq::from_get("disco", DiscoInfoQuery { node: None })
.with_id(String::from("contact"))
.with_to(target)
.into()
}
fn convert_field(field: Vec<String>) -> String {
field.iter()
.fold((field.len(), String::new()), |(l, mut acc), s| {
acc.push('<');
acc.push_str(&s);
acc.push('>');
if l > 1 {
acc.push(',');
acc.push(' ');
}
(0, acc)
}).1
}
fn print_server_info(server_info: ServerInfo) {
if server_info.abuse.len() != 0 {
println!("abuse: {}", convert_field(server_info.abuse));
}
if server_info.admin.len() != 0 {
println!("admin: {}", convert_field(server_info.admin));
}
if server_info.feedback.len() != 0 {
println!("feedback: {}", convert_field(server_info.feedback));
}
if server_info.sales.len() != 0 {
println!("sales: {}", convert_field(server_info.sales));
}
if server_info.security.len() != 0 {
println!("security: {}", convert_field(server_info.security));
}
if server_info.support.len() != 0 {
println!("support: {}", convert_field(server_info.support));
}
}