106 lines
3.3 KiB
Rust
106 lines
3.3 KiB
Rust
use futures::{future, Future, Sink, Stream};
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use std::convert::TryFrom;
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use std::env::args;
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use std::process::exit;
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use tokio::runtime::current_thread::Runtime;
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use tokio_xmpp::{Client, Packet};
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use xmpp_parsers::{Jid, Element};
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use xmpp_parsers::message::{Body, Message, MessageType};
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use xmpp_parsers::presence::{Presence, Show as PresenceShow, Type as PresenceType};
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fn main() {
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let args: Vec<String> = args().collect();
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if args.len() != 3 {
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println!("Usage: {} <jid> <password>", args[0]);
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exit(1);
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}
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let jid = &args[1];
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let password = &args[2];
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// tokio_core context
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let mut rt = Runtime::new().unwrap();
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// Client instance
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let client = Client::new(jid, password).unwrap();
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// Make the two interfaces for sending and receiving independent
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// of each other so we can move one into a closure.
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let (sink, stream) = client.split();
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// Create outgoing pipe
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let (mut tx, rx) = futures::unsync::mpsc::unbounded();
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rt.spawn(
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rx.forward(
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sink.sink_map_err(|_| panic!("Pipe"))
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)
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.map(|(rx, mut sink)| {
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drop(rx);
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let _ = sink.close();
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})
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.map_err(|e| {
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panic!("Send error: {:?}", e);
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})
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);
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// Main loop, processes events
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let mut wait_for_stream_end = false;
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let done = stream.for_each(move |event| {
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if wait_for_stream_end {
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/* Do nothing */
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} else if event.is_online() {
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let jid = event.get_jid()
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.map(|jid| format!("{}", jid))
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.unwrap_or("unknown".to_owned());
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println!("Online at {}", jid);
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let presence = make_presence();
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tx.start_send(Packet::Stanza(presence)).unwrap();
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} else if let Some(message) = event
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.into_stanza()
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.and_then(|stanza| Message::try_from(stanza).ok())
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{
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match (message.from, message.bodies.get("")) {
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(Some(ref from), Some(ref body)) if body.0 == "die" => {
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println!("Secret die command triggered by {}", from);
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wait_for_stream_end = true;
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tx.start_send(Packet::StreamEnd).unwrap();
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}
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(Some(ref from), Some(ref body)) => {
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if message.type_ != MessageType::Error {
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// This is a message we'll echo
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let reply = make_reply(from.clone(), &body.0);
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tx.start_send(Packet::Stanza(reply)).unwrap();
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}
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}
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_ => {}
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}
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}
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future::ok(())
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});
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// Start polling `done`
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match rt.block_on(done) {
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Ok(_) => (),
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Err(e) => {
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println!("Fatal: {}", e);
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()
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}
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}
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}
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// Construct a <presence/>
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fn make_presence() -> Element {
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let mut presence = Presence::new(PresenceType::None);
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presence.show = Some(PresenceShow::Chat);
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presence
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.statuses
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.insert(String::from("en"), String::from("Echoing messages."));
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presence.into()
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}
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// Construct a chat <message/>
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fn make_reply(to: Jid, body: &str) -> Element {
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let mut message = Message::new(Some(to));
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message.bodies.insert(String::new(), Body(body.to_owned()));
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message.into()
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}
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