1use futures::stream::StreamExt;
 2use std::convert::TryFrom;
 3use std::env::args;
 4use std::process::exit;
 5use std::str::FromStr;
 6use tokio;
 7use tokio_xmpp::AsyncClient as Client;
 8use xmpp_parsers::message::{Body, Message, MessageType};
 9use xmpp_parsers::presence::{Presence, Show as PresenceShow, Type as PresenceType};
10use xmpp_parsers::{BareJid, Element, Jid};
11
12#[tokio::main]
13async fn main() {
14    env_logger::init();
15
16    let args: Vec<String> = args().collect();
17    if args.len() != 3 {
18        println!("Usage: {} <jid> <password>", args[0]);
19        exit(1);
20    }
21    let jid = BareJid::from_str(&args[1]).expect(&format!("Invalid JID: {}", &args[1]));
22    let password = &args[2];
23
24    // Client instance
25    let mut client = Client::new(jid, password.to_owned());
26    client.set_reconnect(true);
27
28    // Main loop, processes events
29    let mut wait_for_stream_end = false;
30    let mut stream_ended = false;
31    while !stream_ended {
32        if let Some(event) = client.next().await {
33            println!("event: {:?}", event);
34            if wait_for_stream_end {
35                /* Do nothing */
36            } else if event.is_online() {
37                let jid = event
38                    .get_jid()
39                    .map(|jid| format!("{}", jid))
40                    .unwrap_or("unknown".to_owned());
41                println!("Online at {}", jid);
42
43                let presence = make_presence();
44                client.send_stanza(presence).await.unwrap();
45            } else if let Some(message) = event
46                .into_stanza()
47                .and_then(|stanza| Message::try_from(stanza).ok())
48            {
49                match (message.from, message.bodies.get("")) {
50                    (Some(ref from), Some(ref body)) if body.0 == "die" => {
51                        println!("Secret die command triggered by {}", from);
52                        wait_for_stream_end = true;
53                        client.send_end().await.unwrap();
54                    }
55                    (Some(ref from), Some(ref body)) => {
56                        if message.type_ != MessageType::Error {
57                            // This is a message we'll echo
58                            let reply = make_reply(from.clone(), &body.0);
59                            client.send_stanza(reply).await.unwrap();
60                        }
61                    }
62                    _ => {}
63                }
64            }
65        } else {
66            println!("stream_ended");
67            stream_ended = true;
68        }
69    }
70}
71
72// Construct a <presence/>
73fn make_presence() -> Element {
74    let mut presence = Presence::new(PresenceType::None);
75    presence.show = Some(PresenceShow::Chat);
76    presence
77        .statuses
78        .insert(String::from("en"), String::from("Echoing messages."));
79    presence.into()
80}
81
82// Construct a chat <message/>
83fn make_reply(to: Jid, body: &str) -> Element {
84    let mut message = Message::new(Some(to));
85    message.bodies.insert(String::new(), Body(body.to_owned()));
86    message.into()
87}