forked from lavina/lavina
1
0
Fork 0
lavina/crates/projection-xmpp/src/proto.rs

93 lines
2.8 KiB
Rust

use anyhow::anyhow;
use derive_more::From;
use quick_xml::events::Event;
use quick_xml::name::{Namespace, ResolveResult};
use lavina_core::prelude::*;
use proto_xmpp::bind::BindRequest;
use proto_xmpp::client::{Iq, Message, Presence};
use proto_xmpp::disco::{InfoQuery, ItemQuery};
use proto_xmpp::roster::RosterQuery;
use proto_xmpp::session::Session;
use proto_xmpp::xml::*;
#[derive(PartialEq, Eq, Debug, From)]
pub enum IqClientBody {
Bind(BindRequest),
Session(Session),
Roster(RosterQuery),
DiscoInfo(InfoQuery),
DiscoItem(ItemQuery),
Unknown(Ignore),
}
impl FromXml for IqClientBody {
type P = impl Parser<Output = Result<Self>>;
fn parse() -> Self::P {
|(namespace, event): (ResolveResult<'static>, &'static Event<'static>)| -> Result<Self> {
let bytes = match event {
Event::Start(bytes) => bytes,
Event::Empty(bytes) => bytes,
_ => return Err(anyhow!("Unexpected XML event: {event:?}")),
};
let name = bytes.name();
match_parser!(name, namespace, event;
BindRequest,
Session,
RosterQuery,
InfoQuery,
ItemQuery,
{
delegate_parsing!(Ignore, namespace, event).into()
}
)
}
}
}
#[derive(PartialEq, Eq, Debug, From)]
pub enum ClientPacket {
Iq(Iq<IqClientBody>),
Message(Message<Ignore>),
Presence(Presence<Ignore>),
StreamEnd,
}
impl FromXml for ClientPacket {
type P = impl Parser<Output = Result<Self>>;
fn parse() -> Self::P {
|(namespace, event): (ResolveResult<'static>, &'static Event<'static>)| -> Result<Self> {
match event {
Event::Start(bytes) | Event::Empty(bytes) => {
let name = bytes.name();
match_parser!(name, namespace, event;
Iq::<IqClientBody>,
Presence::<Ignore>,
Message::<Ignore>,
{
Err(anyhow!(
"Unexpected XML event of name {:?} in namespace {:?}",
name,
namespace
))
}
)
}
Event::End(bytes) => {
let name = bytes.name();
if name.local_name().as_ref() == b"stream" {
return Ok(ClientPacket::StreamEnd);
} else {
return Err(anyhow!("Unexpected XML event: {event:?}"));
}
}
_ => {
return Err(anyhow!("Unexpected XML event: {event:?}"));
}
}
}
}
}