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xmpp: split off stanza and update handling into modules (#27)

Reviewed-on: lavina/lavina#27
This commit is contained in:
Nikita Vilunov 2023-10-13 20:09:08 +00:00
parent 68c342aa44
commit ff806cc3d9
5 changed files with 359 additions and 275 deletions

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@ -0,0 +1,162 @@
//! Handling of all client2server iq stanzas
use quick_xml::events::Event;
use lavina_core::room::RoomRegistry;
use proto_xmpp::bind::{BindResponse, Jid, Name, Resource, Server};
use proto_xmpp::client::{Iq, IqType};
use proto_xmpp::disco::{Feature, Identity, InfoQuery, Item, ItemQuery};
use proto_xmpp::roster::RosterQuery;
use proto_xmpp::session::Session;
use crate::proto::IqClientBody;
use crate::XmppConnection;
use proto_xmpp::xml::ToXml;
impl<'a> XmppConnection<'a> {
pub async fn handle_iq(&self, output: &mut Vec<Event<'static>>, iq: Iq<IqClientBody>) {
match iq.body {
IqClientBody::Bind(b) => {
let req = Iq {
from: None,
id: iq.id,
to: None,
r#type: IqType::Result,
body: BindResponse(Jid {
name: Some(Name("darova".into())),
server: Server("localhost".into()),
resource: Some(Resource("kek".into())),
}),
};
req.serialize(output);
}
IqClientBody::Session(_) => {
let req = Iq {
from: None,
id: iq.id,
to: None,
r#type: IqType::Result,
body: Session,
};
req.serialize(output);
}
IqClientBody::Roster(_) => {
let req = Iq {
from: None,
id: iq.id,
to: None,
r#type: IqType::Result,
body: RosterQuery,
};
req.serialize(output);
}
IqClientBody::DiscoInfo(info) => {
let response = disco_info(iq.to.as_deref(), &info);
let req = Iq {
from: iq.to,
id: iq.id,
to: None,
r#type: IqType::Result,
body: response,
};
req.serialize(output);
}
IqClientBody::DiscoItem(item) => {
let response = disco_items(iq.to.as_deref(), &item, self.rooms).await;
let req = Iq {
from: iq.to,
id: iq.id,
to: None,
r#type: IqType::Result,
body: response,
};
req.serialize(output);
}
_ => {
let req = Iq {
from: None,
id: iq.id,
to: None,
r#type: IqType::Error,
body: (),
};
req.serialize(output);
}
}
}
}
fn disco_info(to: Option<&str>, req: &InfoQuery) -> InfoQuery {
let identity;
let feature;
match to {
Some("localhost") => {
identity = vec![Identity {
category: "server".into(),
name: None,
r#type: "im".into(),
}];
feature = vec![
Feature::new("http://jabber.org/protocol/disco#info"),
Feature::new("http://jabber.org/protocol/disco#items"),
Feature::new("iq"),
Feature::new("presence"),
]
}
Some("rooms.localhost") => {
identity = vec![Identity {
category: "conference".into(),
name: Some("Chat rooms".into()),
r#type: "text".into(),
}];
feature = vec![
Feature::new("http://jabber.org/protocol/disco#info"),
Feature::new("http://jabber.org/protocol/disco#items"),
Feature::new("http://jabber.org/protocol/muc"),
]
}
_ => {
identity = vec![];
feature = vec![];
}
};
InfoQuery {
node: None,
identity,
feature,
}
}
async fn disco_items(to: Option<&str>, req: &ItemQuery, rooms: &RoomRegistry) -> ItemQuery {
let item = match to {
Some("localhost") => {
vec![Item {
jid: Jid {
name: None,
server: Server("rooms.localhost".into()),
resource: None,
},
name: None,
node: None,
}]
}
Some("rooms.localhost") => {
let room_list = rooms.get_all_rooms().await;
room_list
.into_iter()
.map(|room_info| Item {
jid: Jid {
name: Some(Name(room_info.id.into_inner())),
server: Server("rooms.localhost".into()),
resource: None,
},
name: None,
node: None,
})
.collect()
}
_ => vec![],
};
ItemQuery { item }
}

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@ -24,19 +24,20 @@ use tokio_rustls::TlsAcceptor;
use lavina_core::player::{PlayerConnection, PlayerId, PlayerRegistry};
use lavina_core::prelude::*;
use lavina_core::room::{RoomId, RoomRegistry};
use lavina_core::terminator::Terminator;
use lavina_core::repo::Storage;
use proto_xmpp::bind::{BindResponse, Jid, Name, Resource, Server};
use proto_xmpp::client::{Iq, Message, MessageType, Presence};
use proto_xmpp::disco::*;
use proto_xmpp::roster::RosterQuery;
use lavina_core::room::RoomRegistry;
use lavina_core::terminator::Terminator;
use proto_xmpp::bind::{Name, Resource};
use proto_xmpp::sasl::AuthBody;
use proto_xmpp::session::Session;
use proto_xmpp::stream::*;
use proto_xmpp::xml::{Continuation, FromXml, Parser, ToXml};
use self::proto::{ClientPacket, IqClientBody};
use self::proto::ClientPacket;
mod iq;
mod message;
mod presence;
mod updates;
#[derive(Deserialize, Debug, Clone)]
pub struct ServerConfig {
@ -300,8 +301,8 @@ async fn socket_auth(
xmpp_resource: Resource(name.to_string().into()),
xmpp_muc_name: Resource(name.to_string().into()),
})
},
Err(e) => return Err(e)
}
Err(e) => return Err(e),
}
}
@ -342,6 +343,11 @@ async fn socket_final(
let mut next_xml_event = Box::pin(xml_reader.read_resolved_event_into_async(reader_buf));
'outer: loop {
let mut conn = XmppConnection {
user: authenticated,
user_handle,
rooms,
};
let should_recreate_xml_future = select! {
biased;
res = &mut next_xml_event => 's: {
@ -354,7 +360,7 @@ async fn socket_final(
match parser.consume(ns, &event) {
Continuation::Final(res) => {
let res = res?;
let stop = handle_packet(&mut events, res, authenticated, user_handle, rooms).await?;
let stop = conn.handle_packet(&mut events, res).await?;
for i in &events {
xml_writer.write_event_async(i).await?;
}
@ -369,32 +375,9 @@ async fn socket_final(
}
true
},
update = user_handle.receiver.recv() => {
update = conn.user_handle.receiver.recv() => {
if let Some(update) = update {
match update {
lavina_core::player::Updates::NewMessage { room_id, author_id, body } => {
Message::<()> {
to: Some(Jid {
name: Some(authenticated.xmpp_name.clone()),
server: Server("localhost".into()),
resource: Some(authenticated.xmpp_resource.clone()),
}),
from: Some(Jid {
name: Some(Name(room_id.into_inner().into())),
server: Server("rooms.localhost".into()),
resource: Some(Resource(author_id.into_inner().into())),
}),
id: None,
r#type: proto_xmpp::client::MessageType::Groupchat,
lang: None,
subject: None,
body: body.into(),
custom: vec![],
}
.serialize(&mut events);
}
_ => {},
}
conn.handle_update(&mut events, update).await?;
for i in &events {
xml_writer.write_event_async(i).await?;
}
@ -416,249 +399,36 @@ async fn socket_final(
Ok(())
}
async fn handle_packet(
output: &mut Vec<Event<'static>>,
packet: ClientPacket,
user: &Authenticated,
user_handle: &mut PlayerConnection,
rooms: &RoomRegistry,
) -> Result<bool> {
Ok(match packet {
proto::ClientPacket::Iq(iq) => {
handle_iq(output, iq, rooms).await;
false
}
proto::ClientPacket::Message(m) => {
if let Some(Jid {
name: Some(name),
server,
resource: _,
}) = m.to
{
if server.0.as_ref() == "rooms.localhost" && m.r#type == MessageType::Groupchat {
user_handle
.send_message(RoomId::from(name.0.clone())?, m.body.clone().into())
.await?;
Message::<()> {
to: Some(Jid {
name: Some(user.xmpp_name.clone()),
server: Server("localhost".into()),
resource: Some(user.xmpp_resource.clone()),
}),
from: Some(Jid {
name: Some(name),
server: Server("rooms.localhost".into()),
resource: Some(user.xmpp_muc_name.clone()),
}),
id: m.id,
r#type: proto_xmpp::client::MessageType::Groupchat,
lang: None,
subject: None,
body: m.body.clone(),
custom: vec![],
}
.serialize(output);
false
} else {
todo!()
}
} else {
todo!()
struct XmppConnection<'a> {
user: &'a Authenticated,
user_handle: &'a mut PlayerConnection,
rooms: &'a RoomRegistry,
}
impl<'a> XmppConnection<'a> {
async fn handle_packet(&mut self, output: &mut Vec<Event<'static>>, packet: ClientPacket) -> Result<bool> {
let res = match packet {
proto::ClientPacket::Iq(iq) => {
self.handle_iq(output, iq).await;
false
}
}
proto::ClientPacket::Presence(p) => {
let response = if p.to.is_none() {
Presence::<()> {
to: Some(Jid {
name: Some(user.xmpp_name.clone()),
server: Server("localhost".into()),
resource: Some(user.xmpp_resource.clone()),
}),
from: Some(Jid {
name: Some(user.xmpp_name.clone()),
server: Server("localhost".into()),
resource: Some(user.xmpp_resource.clone()),
}),
..Default::default()
}
} else if let Some(Jid {
name: Some(name),
server,
resource: Some(resource),
}) = p.to
{
let a = user_handle.join_room(RoomId::from(name.0.clone())?).await?;
Presence::<()> {
to: Some(Jid {
name: Some(user.xmpp_name.clone()),
server: Server("localhost".into()),
resource: Some(user.xmpp_resource.clone()),
}),
from: Some(Jid {
name: Some(name.clone()),
server: Server("rooms.localhost".into()),
resource: Some(user.xmpp_muc_name.clone()),
}),
..Default::default()
}
} else {
Presence::<()>::default()
};
response.serialize(output);
false
}
proto::ClientPacket::StreamEnd => {
ServerStreamEnd.serialize(output);
true
}
})
}
async fn handle_iq(output: &mut Vec<Event<'static>>, iq: Iq<IqClientBody>, rooms: &RoomRegistry) {
match iq.body {
proto::IqClientBody::Bind(b) => {
let req = Iq {
from: None,
id: iq.id,
to: None,
r#type: proto_xmpp::client::IqType::Result,
body: BindResponse(Jid {
name: Some(Name("darova".into())),
server: Server("localhost".into()),
resource: Some(Resource("kek".into())),
}),
};
req.serialize(output);
}
proto::IqClientBody::Session(_) => {
let req = Iq {
from: None,
id: iq.id,
to: None,
r#type: proto_xmpp::client::IqType::Result,
body: Session,
};
req.serialize(output);
}
proto::IqClientBody::Roster(_) => {
let req = Iq {
from: None,
id: iq.id,
to: None,
r#type: proto_xmpp::client::IqType::Result,
body: RosterQuery,
};
req.serialize(output);
}
proto::IqClientBody::DiscoInfo(info) => {
let response = disco_info(iq.to.as_deref(), &info);
let req = Iq {
from: iq.to,
id: iq.id,
to: None,
r#type: proto_xmpp::client::IqType::Result,
body: response,
};
req.serialize(output);
}
proto::IqClientBody::DiscoItem(item) => {
let response = disco_items(iq.to.as_deref(), &item, rooms).await;
let req = Iq {
from: iq.to,
id: iq.id,
to: None,
r#type: proto_xmpp::client::IqType::Result,
body: response,
};
req.serialize(output);
}
_ => {
let req = Iq {
from: None,
id: iq.id,
to: None,
r#type: proto_xmpp::client::IqType::Error,
body: (),
};
req.serialize(output);
}
ClientPacket::Message(m) => {
self.handle_message(output, m).await?;
false
}
proto::ClientPacket::Presence(p) => {
self.handle_presence(output, p).await?;
false
}
proto::ClientPacket::StreamEnd => {
ServerStreamEnd.serialize(output);
true
}
};
Ok(res)
}
}
fn disco_info(to: Option<&str>, req: &InfoQuery) -> InfoQuery {
let identity;
let feature;
match to {
Some("localhost") => {
identity = vec![Identity {
category: "server".into(),
name: None,
r#type: "im".into(),
}];
feature = vec![
Feature::new("http://jabber.org/protocol/disco#info"),
Feature::new("http://jabber.org/protocol/disco#items"),
Feature::new("iq"),
Feature::new("presence"),
]
}
Some("rooms.localhost") => {
identity = vec![Identity {
category: "conference".into(),
name: Some("Chat rooms".into()),
r#type: "text".into(),
}];
feature = vec![
Feature::new("http://jabber.org/protocol/disco#info"),
Feature::new("http://jabber.org/protocol/disco#items"),
Feature::new("http://jabber.org/protocol/muc"),
]
}
_ => {
identity = vec![];
feature = vec![];
}
};
InfoQuery {
node: None,
identity,
feature,
}
}
async fn disco_items(to: Option<&str>, req: &ItemQuery, rooms: &RoomRegistry) -> ItemQuery {
let item = match to {
Some("localhost") => {
vec![Item {
jid: Jid {
name: None,
server: Server("rooms.localhost".into()),
resource: None,
},
name: None,
node: None,
}]
}
Some("rooms.localhost") => {
let room_list = rooms.get_all_rooms().await;
room_list
.into_iter()
.map(|room_info| Item {
jid: Jid {
name: Some(Name(room_info.id.into_inner())),
server: Server("rooms.localhost".into()),
resource: None,
},
name: None,
node: None,
})
.collect()
}
_ => vec![],
};
ItemQuery { item }
}
async fn read_xml_header(
xml_reader: &mut NsReader<(impl AsyncBufRead + Unpin)>,
reader_buf: &mut Vec<u8>,

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@ -0,0 +1,52 @@
//! Handling of all client2server message stanzas
use quick_xml::events::Event;
use lavina_core::prelude::*;
use lavina_core::room::RoomId;
use proto_xmpp::bind::{Jid, Server};
use proto_xmpp::client::{Message, MessageType};
use proto_xmpp::xml::{Ignore, ToXml};
use crate::XmppConnection;
impl<'a> XmppConnection<'a> {
pub async fn handle_message(&mut self, output: &mut Vec<Event<'static>>, m: Message<Ignore>) -> Result<()> {
if let Some(Jid {
name: Some(name),
server,
resource: _,
}) = m.to
{
if server.0.as_ref() == "rooms.localhost" && m.r#type == MessageType::Groupchat {
self.user_handle
.send_message(RoomId::from(name.0.clone())?, m.body.clone().into())
.await?;
Message::<()> {
to: Some(Jid {
name: Some(self.user.xmpp_name.clone()),
server: Server("localhost".into()),
resource: Some(self.user.xmpp_resource.clone()),
}),
from: Some(Jid {
name: Some(name),
server: Server("rooms.localhost".into()),
resource: Some(self.user.xmpp_muc_name.clone()),
}),
id: m.id,
r#type: MessageType::Groupchat,
lang: None,
subject: None,
body: m.body.clone(),
custom: vec![],
}
.serialize(output);
Ok(())
} else {
todo!()
}
} else {
todo!()
}
}
}

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@ -0,0 +1,55 @@
//! Handling of all client2server presence stanzas
use quick_xml::events::Event;
use lavina_core::prelude::*;
use lavina_core::room::RoomId;
use proto_xmpp::bind::{Jid, Server};
use proto_xmpp::client::Presence;
use proto_xmpp::xml::{Ignore, ToXml};
use crate::XmppConnection;
impl<'a> XmppConnection<'a> {
pub async fn handle_presence(&mut self, output: &mut Vec<Event<'static>>, p: Presence<Ignore>) -> Result<()> {
let response = if p.to.is_none() {
Presence::<()> {
to: Some(Jid {
name: Some(self.user.xmpp_name.clone()),
server: Server("localhost".into()),
resource: Some(self.user.xmpp_resource.clone()),
}),
from: Some(Jid {
name: Some(self.user.xmpp_name.clone()),
server: Server("localhost".into()),
resource: Some(self.user.xmpp_resource.clone()),
}),
..Default::default()
}
} else if let Some(Jid {
name: Some(name),
server,
resource: Some(resource),
}) = p.to
{
let a = self.user_handle.join_room(RoomId::from(name.0.clone())?).await?;
Presence::<()> {
to: Some(Jid {
name: Some(self.user.xmpp_name.clone()),
server: Server("localhost".into()),
resource: Some(self.user.xmpp_resource.clone()),
}),
from: Some(Jid {
name: Some(name.clone()),
server: Server("rooms.localhost".into()),
resource: Some(self.user.xmpp_muc_name.clone()),
}),
..Default::default()
}
} else {
Presence::<()>::default()
};
response.serialize(output);
Ok(())
}
}

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@ -0,0 +1,45 @@
//! Handling of updates and converting them into server2client stanzas
use anyhow::Result;
use quick_xml::events::Event;
use lavina_core::player::Updates;
use proto_xmpp::bind::{Jid, Name, Resource, Server};
use proto_xmpp::client::{Message, MessageType};
use proto_xmpp::xml::ToXml;
use crate::XmppConnection;
impl<'a> XmppConnection<'a> {
pub async fn handle_update(&mut self, output: &mut Vec<Event<'static>>, update: Updates) -> Result<()> {
match update {
Updates::NewMessage {
room_id,
author_id,
body,
} => {
Message::<()> {
to: Some(Jid {
name: Some(self.user.xmpp_name.clone()),
server: Server("localhost".into()),
resource: Some(self.user.xmpp_resource.clone()),
}),
from: Some(Jid {
name: Some(Name(room_id.into_inner().into())),
server: Server("rooms.localhost".into()),
resource: Some(Resource(author_id.into_inner().into())),
}),
id: None,
r#type: MessageType::Groupchat,
lang: None,
subject: None,
body: body.into(),
custom: vec![],
}
.serialize(output);
}
_ => {}
}
Ok(())
}
}