1use futures::stream::StreamExt;
 2use minidom::Element;
 3use std::env::args;
 4use std::process::exit;
 5use std::str::FromStr;
 6use tokio_xmpp::AsyncClient as Client;
 7use xmpp_parsers::jid::{BareJid, Jid};
 8use xmpp_parsers::message::{Body, Message, MessageType};
 9use xmpp_parsers::presence::{Presence, Show as PresenceShow, Type as PresenceType};
10
11#[tokio::main]
12async fn main() {
13    env_logger::init();
14
15    let args: Vec<String> = args().collect();
16    if args.len() != 3 {
17        println!("Usage: {} <jid> <password>", args[0]);
18        exit(1);
19    }
20    let jid = BareJid::from_str(&args[1]).expect(&format!("Invalid JID: {}", &args[1]));
21    let password = &args[2];
22
23    // Client instance
24    let mut client = Client::new(jid, password.to_owned());
25    client.set_reconnect(true);
26
27    // Main loop, processes events
28    let mut wait_for_stream_end = false;
29    let mut stream_ended = false;
30    while !stream_ended {
31        if let Some(event) = client.next().await {
32            println!("event: {:?}", event);
33            if wait_for_stream_end {
34                /* Do nothing */
35            } else if event.is_online() {
36                let jid = event
37                    .get_jid()
38                    .map(|jid| format!("{}", jid))
39                    .unwrap_or("unknown".to_owned());
40                println!("Online at {}", jid);
41
42                let presence = make_presence();
43                client.send_stanza(presence).await.unwrap();
44            } else if let Some(message) = event
45                .into_stanza()
46                .and_then(|stanza| Message::try_from(stanza).ok())
47            {
48                match (message.from, message.bodies.get("")) {
49                    (Some(ref from), Some(ref body)) if body.0 == "die" => {
50                        println!("Secret die command triggered by {}", from);
51                        wait_for_stream_end = true;
52                        client.send_end().await.unwrap();
53                    }
54                    (Some(ref from), Some(ref body)) => {
55                        if message.type_ != MessageType::Error {
56                            // This is a message we'll echo
57                            let reply = make_reply(from.clone(), &body.0);
58                            client.send_stanza(reply).await.unwrap();
59                        }
60                    }
61                    _ => {}
62                }
63            }
64        } else {
65            println!("stream_ended");
66            stream_ended = true;
67        }
68    }
69}
70
71// Construct a <presence/>
72fn make_presence() -> Element {
73    let mut presence = Presence::new(PresenceType::None);
74    presence.show = Some(PresenceShow::Chat);
75    presence
76        .statuses
77        .insert(String::from("en"), String::from("Echoing messages."));
78    presence.into()
79}
80
81// Construct a chat <message/>
82fn make_reply(to: Jid, body: &str) -> Element {
83    let mut message = Message::new(Some(to));
84    message.bodies.insert(String::new(), Body(body.to_owned()));
85    message.into()
86}