72 lines
2.3 KiB
Rust
72 lines
2.3 KiB
Rust
use futures::{sink::SinkExt, stream::StreamExt};
|
||
use tokio::io::{AsyncRead, AsyncWrite};
|
||
use tokio_util::codec::Framed;
|
||
use xmpp_parsers::{jid::Jid, ns, stream_features::StreamFeatures, Error as ParsersError};
|
||
|
||
use crate::error::{Error, ProtocolError};
|
||
use crate::xmpp_codec::{Packet, XmppCodec};
|
||
use crate::xmpp_stream::XMPPStream;
|
||
|
||
/// Sends a `<stream:stream>`, then wait for one from the server, and
|
||
/// construct an XMPPStream.
|
||
pub async fn start<S: AsyncRead + AsyncWrite + Unpin>(
|
||
mut stream: Framed<S, XmppCodec>,
|
||
jid: Jid,
|
||
ns: String,
|
||
) -> Result<XMPPStream<S>, Error> {
|
||
let attrs = [
|
||
("to".to_owned(), jid.domain().to_string()),
|
||
("version".to_owned(), "1.0".to_owned()),
|
||
("xmlns".to_owned(), ns.clone()),
|
||
("xmlns:stream".to_owned(), ns::STREAM.to_owned()),
|
||
]
|
||
.iter()
|
||
.cloned()
|
||
.collect();
|
||
stream.send(Packet::StreamStart(attrs)).await?;
|
||
|
||
let stream_attrs;
|
||
loop {
|
||
match stream.next().await {
|
||
Some(Ok(Packet::StreamStart(attrs))) => {
|
||
stream_attrs = attrs;
|
||
break;
|
||
}
|
||
Some(Ok(_)) => {}
|
||
Some(Err(e)) => return Err(e.into()),
|
||
None => return Err(Error::Disconnected),
|
||
}
|
||
}
|
||
|
||
let stream_ns = stream_attrs
|
||
.get("xmlns")
|
||
.ok_or(ProtocolError::NoStreamNamespace)?
|
||
.clone();
|
||
let stream_id = stream_attrs
|
||
.get("id")
|
||
.ok_or(ProtocolError::NoStreamId)?
|
||
.clone();
|
||
if stream_ns == "jabber:client" && stream_attrs.get("version").is_some() {
|
||
loop {
|
||
match stream.next().await {
|
||
Some(Ok(Packet::Stanza(stanza))) => {
|
||
let stream_features = StreamFeatures::try_from(stanza)
|
||
.map_err(|e| Error::Protocol(ParsersError::from(e).into()))?;
|
||
return Ok(XMPPStream::new(jid, stream, ns, stream_id, stream_features));
|
||
}
|
||
Some(Ok(_)) => {}
|
||
Some(Err(e)) => return Err(e.into()),
|
||
None => return Err(Error::Disconnected),
|
||
}
|
||
}
|
||
} else {
|
||
// FIXME: huge hack, shouldn’t be an element!
|
||
return Ok(XMPPStream::new(
|
||
jid,
|
||
stream,
|
||
ns,
|
||
stream_id.clone(),
|
||
StreamFeatures::default(),
|
||
));
|
||
}
|
||
}
|