130 lines
3.9 KiB
Rust
130 lines
3.9 KiB
Rust
use futures::{future, Sink, Stream};
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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, xmpp_codec::Packet};
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use xmpp_parsers::{
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Element,
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Jid,
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TryFrom,
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ns,
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iq::{
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Iq,
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IqType,
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},
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disco::{
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DiscoInfoResult,
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DiscoInfoQuery,
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},
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server_info::ServerInfo,
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};
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fn main() {
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let args: Vec<String> = args().collect();
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if args.len() != 4 {
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println!("Usage: {} <jid> <password> <target>", 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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let target = &args[3];
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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 (mut sink, stream) = client.split();
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// Wrap sink in Option so that we can take() it for the send(self)
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// to consume and return it back when ready.
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let mut send = move |packet| {
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sink.start_send(packet).expect("start_send");
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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(|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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println!("Online!");
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let target_jid: Jid = target.clone().parse().unwrap();
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let iq = make_disco_iq(target_jid);
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println!("Sending disco#info request to {}", target.clone());
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println!(">> {}", String::from(&iq));
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send(Packet::Stanza(iq));
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} else if let Some(stanza) = event.into_stanza() {
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if stanza.is("iq", "jabber:client") {
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let iq = Iq::try_from(stanza).unwrap();
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if let IqType::Result(Some(payload)) = iq.payload {
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if payload.is("query", ns::DISCO_INFO) {
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if let Ok(disco_info) = DiscoInfoResult::try_from(payload) {
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for ext in disco_info.extensions {
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if let Ok(server_info) = ServerInfo::try_from(ext) {
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print_server_info(server_info);
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wait_for_stream_end = true;
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send(Packet::StreamEnd);
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}
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}
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}
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}
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}
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}
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}
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Box::new(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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fn make_disco_iq(target: Jid) -> Element {
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Iq::from_get("disco", DiscoInfoQuery { node: None })
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.with_id(String::from("contact"))
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.with_to(target)
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.into()
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}
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fn convert_field(field: Vec<String>) -> String {
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field.iter()
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.fold((field.len(), String::new()), |(l, mut acc), s| {
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acc.push('<');
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acc.push_str(&s);
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acc.push('>');
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if l > 1 {
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acc.push(',');
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acc.push(' ');
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}
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(0, acc)
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}).1
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}
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fn print_server_info(server_info: ServerInfo) {
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if server_info.abuse.len() != 0 {
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println!("abuse: {}", convert_field(server_info.abuse));
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}
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if server_info.admin.len() != 0 {
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println!("admin: {}", convert_field(server_info.admin));
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}
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if server_info.feedback.len() != 0 {
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println!("feedback: {}", convert_field(server_info.feedback));
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}
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if server_info.sales.len() != 0 {
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println!("sales: {}", convert_field(server_info.sales));
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}
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if server_info.security.len() != 0 {
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println!("security: {}", convert_field(server_info.security));
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}
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if server_info.support.len() != 0 {
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println!("support: {}", convert_field(server_info.support));
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}
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}
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