feat(xmpp): handle sending messages to muc

src/projections/xmpp/mod.rs

@@ -19,12 +19,12 @@ use tokio::sync::mpsc::channel;
 use tokio_rustls::rustls::{Certificate, PrivateKey};
 use tokio_rustls::TlsAcceptor;
 
-use crate::core::player::PlayerRegistry;
+use crate::core::player::{PlayerConnection, PlayerId, PlayerRegistry};
-use crate::core::room::RoomRegistry;
+use crate::core::room::{RoomId, RoomRegistry};
 use crate::prelude::*;
 use crate::protos::xmpp;
 use crate::protos::xmpp::bind::{BindResponse, Jid, Name, Resource, Server};
-use crate::protos::xmpp::client::{Iq, Presence};
+use crate::protos::xmpp::client::{Iq, Message, MessageType, Presence};
 use crate::protos::xmpp::disco::*;
 use crate::protos::xmpp::roster::RosterQuery;
 use crate::protos::xmpp::session::Session;
@@ -46,6 +46,13 @@ struct LoadedConfig {
     key: PrivateKey,
 }
 
+struct Authenticated {
+    player_id: PlayerId,
+    xmpp_name: Name,
+    xmpp_resource: Resource,
+    xmpp_muc_name: Resource,
+}
+
 pub async fn launch(
     config: ServerConfig,
     players: PlayerRegistry,
@@ -136,7 +143,7 @@ async fn handle_socket(
     config: Arc<LoadedConfig>,
     mut stream: TcpStream,
     socket_addr: &SocketAddr,
-    players: PlayerRegistry,
+    mut players: PlayerRegistry,
     rooms: RoomRegistry,
     termination: Deferred<()>, // TODO use it to stop the connection gracefully
 ) -> Result<()> {
@@ -162,8 +169,18 @@ async fn handle_socket(
     let mut xml_reader = NsReader::from_reader(BufReader::new(a));
     let mut xml_writer = Writer::new(b);
 
-    socket_auth(&mut xml_reader, &mut xml_writer, &mut reader_buf).await?;
+    let authenticated = socket_auth(&mut xml_reader, &mut xml_writer, &mut reader_buf).await?;
-    socket_final(&mut xml_reader, &mut xml_writer, &mut reader_buf).await?;
+    let mut connection = players
+        .connect_to_player(authenticated.player_id.clone())
+        .await;
+    socket_final(
+        &mut xml_reader,
+        &mut xml_writer,
+        &mut reader_buf,
+        &authenticated,
+        &mut connection,
+    )
+    .await?;
 
     let a = xml_reader.into_inner().into_inner();
     let b = xml_writer.into_inner();
@@ -209,7 +226,7 @@ async fn socket_auth(
     xml_reader: &mut NsReader<(impl AsyncBufRead + Unpin)>,
     xml_writer: &mut Writer<(impl AsyncWrite + Unpin)>,
     reader_buf: &mut Vec<u8>,
-) -> Result<()> {
+) -> Result<Authenticated> {
     read_xml_header(xml_reader, reader_buf).await?;
     let _ = ClientStreamStart::parse(xml_reader, reader_buf).await?;
 
@@ -235,13 +252,20 @@ async fn socket_auth(
 
     let _ = xmpp::sasl::Auth::parse(xml_reader, reader_buf).await?;
     xmpp::sasl::Success.write_xml(xml_writer).await?;
-    Ok(())
+    Ok(Authenticated {
+        player_id: PlayerId::from_bytes(b"darova".to_vec())?,
+        xmpp_name: Name("darova".to_owned()),
+        xmpp_resource: Resource("darova".to_owned()),
+        xmpp_muc_name: Resource("darova".to_owned()),
+    })
 }
 
 async fn socket_final(
     xml_reader: &mut NsReader<(impl AsyncBufRead + Unpin)>,
     xml_writer: &mut Writer<(impl AsyncWrite + Unpin)>,
     reader_buf: &mut Vec<u8>,
+    authenticated: &Authenticated,
+    user_handle: &mut PlayerConnection,
 ) -> Result<()> {
     read_xml_header(xml_reader, reader_buf).await?;
     let _ = ClientStreamStart::parse(xml_reader, reader_buf).await?;
@@ -282,7 +306,7 @@ async fn socket_final(
             Continuation::Final(res) => {
                 let res = res?;
                 dbg!(&res);
-                let stop = handle_packet(&mut events, res);
+                let stop = handle_packet(&mut events, res, authenticated, user_handle).await?;
                 for i in &events {
                     xml_writer.write_event_async(i).await?;
                 }
@@ -299,18 +323,96 @@ async fn socket_final(
     Ok(())
 }
 
-fn handle_packet(output: &mut Vec<Event<'static>>, packet: ClientPacket) -> bool {
+async fn handle_packet(
-    match packet {
+    output: &mut Vec<Event<'static>>,
+    packet: ClientPacket,
+    user: &Authenticated,
+    user_handle: &mut PlayerConnection,
+) -> Result<bool> {
+    Ok(match packet {
         proto::ClientPacket::Iq(iq) => {
             handle_iq(output, iq);
             false
         }
-        proto::ClientPacket::Message(_) => todo!(),
+        proto::ClientPacket::Message(m) => {
+            if let Some(Jid {
+                name: Some(name),
+                server,
+                resource: _,
+            }) = m.to
+            {
+                if server.0 == "rooms.localhost" && m.r#type == MessageType::Groupchat {
+                    user_handle
+                        .send_message(
+                            RoomId::from_bytes(name.0.clone().into_bytes())?,
+                            m.body.clone(),
+                        )
+                        .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: xmpp::client::MessageType::Groupchat,
+                        lang: None,
+                        subject: None,
+                        body: m.body,
+                    }
+                    .serialize(output);
+                    false
+                } else {
+                    todo!()
+                }
+            } else {
+                todo!()
+            }
+        }
         proto::ClientPacket::Presence(p) => {
-            let response = Presence::<()> {
+            let response = if p.to.is_none() {
-                to: Some("darova@localhost/kek".to_string()),
+                Presence::<()> {
-                from: Some("darova@localhost/kek".to_string()),
+                    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_bytes(name.0.clone().into_bytes())?)
+                    .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),
+                        server: Server("rooms.localhost".into()),
+                        resource: Some(user.xmpp_muc_name.clone()),
+                    }),
+                    ..Default::default()
+                }
+            } else {
+                Presence::<()>::default()
             };
             response.serialize(output);
             false
@@ -319,7 +421,7 @@ fn handle_packet(output: &mut Vec<Event<'static>>, packet: ClientPacket) -> bool
             ServerStreamEnd.serialize(output);
             true
         }
-    }
+    })
 }
 
 fn handle_iq(output: &mut Vec<Event<'static>>, iq: Iq<IqClientBody>) {

src/projections/xmpp/proto.rs

@@ -60,7 +60,7 @@ impl FromXml for ClientPacket {
     fn parse() -> Self::P {
         |(namespace, event): (ResolveResult<'static>, &'static Event<'static>)| -> Result<Self> {
             match event {
-                Event::Start(bytes) => {
+                Event::Start(bytes) | Event::Empty(bytes) => {
                     let name = bytes.name();
                     match_parser!(name, namespace, event;
                         Iq::<IqClientBody>,

src/protos/xmpp/bind.rs

@@ -11,16 +11,16 @@ pub const XMLNS: &'static str = "urn:ietf:params:xml:ns:xmpp-bind";
 
 // TODO remove `pub` in newtypes, introduce validation
 
-#[derive(PartialEq, Eq, Debug)]
+#[derive(PartialEq, Eq, Debug, Clone)]
 pub struct Name(pub String);
 
-#[derive(PartialEq, Eq, Debug)]
+#[derive(PartialEq, Eq, Debug, Clone)]
 pub struct Server(pub String);
 
-#[derive(PartialEq, Eq, Debug)]
+#[derive(PartialEq, Eq, Debug, Clone)]
 pub struct Resource(pub String);
 
-#[derive(PartialEq, Eq, Debug)]
+#[derive(PartialEq, Eq, Debug, Clone)]
 pub struct Jid {
     pub name: Option<Name>,
     pub server: Server,

src/protos/xmpp/client.rs

@@ -6,13 +6,15 @@ use quick_xml::name::{QName, ResolveResult};
 use crate::prelude::*;
 use crate::util::xml::*;
 
+use super::bind::Jid;
+
 pub const XMLNS: &'static str = "jabber:client";
 
 #[derive(PartialEq, Eq, Debug)]
 pub struct Message {
-    pub from: Option<String>,
+    pub from: Option<Jid>,
     pub id: Option<String>,
-    pub to: Option<String>,
+    pub to: Option<Jid>,
     // default is Normal
     pub r#type: MessageType,
     pub lang: Option<String>,
@@ -47,9 +49,9 @@ enum MessageParserInner {
 }
 #[derive(Default)]
 struct MessageParserState {
-    from: Option<String>,
+    from: Option<Jid>,
     id: Option<String>,
-    to: Option<String>,
+    to: Option<Jid>,
     r#type: MessageType,
     lang: Option<String>,
     subject: Option<String>,
@@ -73,13 +75,15 @@ impl Parser for MessageParser {
                         let attr = fail_fast!(attr);
                         if attr.key.0 == b"from" {
                             let value = fail_fast!(std::str::from_utf8(&*attr.value));
-                            state.from = Some(value.to_string())
+                            let value = fail_fast!(Jid::from_string(value));
+                            state.from = Some(value)
                         } else if attr.key.0 == b"id" {
                             let value = fail_fast!(std::str::from_utf8(&*attr.value));
                             state.id = Some(value.to_string())
                         } else if attr.key.0 == b"to" {
                             let value = fail_fast!(std::str::from_utf8(&*attr.value));
-                            state.to = Some(value.to_string())
+                            let value = fail_fast!(Jid::from_string(value));
+                            state.to = Some(value)
                         } else if attr.key.0 == b"type" {
                             let value = fail_fast!(MessageType::from_str(&*attr.value));
                             state.r#type = value;
@@ -141,6 +145,39 @@ impl Parser for MessageParser {
     }
 }
 
+impl ToXml for Message {
+    fn serialize(&self, events: &mut Vec<Event<'static>>) {
+        let mut bytes = BytesStart::new(format!(r#"message xmlns="{}""#, XMLNS));
+        if let Some(from) = &self.from {
+            bytes.push_attribute(Attribute {
+                key: QName(b"from"),
+                value: from.to_string().into_bytes().into(),
+            });
+        }
+        if let Some(to) = &self.to {
+            bytes.push_attribute(Attribute {
+                key: QName(b"to"),
+                value: to.to_string().into_bytes().into(),
+            });
+        }
+        if let Some(id) = &self.id {
+            bytes.push_attribute(Attribute {
+                key: QName(b"id"),
+                value: id.clone().into_bytes().into(),
+            });
+        }
+        bytes.push_attribute(Attribute {
+            key: QName(b"type"),
+            value: self.r#type.as_str().as_bytes().into(),
+        });
+        events.push(Event::Start(bytes));
+        events.push(Event::Start(BytesStart::new("body")));
+        events.push(Event::Text(BytesText::new(&self.body).into_owned()));
+        events.push(Event::End(BytesEnd::new("body")));
+        events.push(Event::End(BytesEnd::new("message")));
+    }
+}
+
 #[derive(PartialEq, Eq, Debug)]
 pub enum MessageType {
     Chat,
@@ -169,6 +206,16 @@ impl MessageType {
             t => Err(ffail!("Unknown message type: {t}")),
         }
     }
+
+    pub fn as_str(&self) -> &'static str {
+        match self {
+            MessageType::Chat => "chat",
+            MessageType::Error => "error",
+            MessageType::Groupchat => "groupchat",
+            MessageType::Headline => "headline",
+            MessageType::Normal => "normal",
+        }
+    }
 }
 
 #[derive(PartialEq, Eq, Debug)]
@@ -344,12 +391,13 @@ impl<T: ToXml> ToXml for Iq<T> {
 
 #[derive(PartialEq, Eq, Debug)]
 pub struct Presence<T> {
-    pub to: Option<String>,
+    pub to: Option<Jid>,
-    pub from: Option<String>,
+    pub from: Option<Jid>,
     pub priority: Option<PresencePriority>,
     pub show: Option<PresenceShow>,
     pub status: Vec<String>,
     pub custom: Vec<T>,
+    pub r#type: Option<String>,
 }
 
 impl<T> Default for Presence<T> {
@@ -361,6 +409,7 @@ impl<T> Default for Presence<T> {
             show: Default::default(),
             status: Default::default(),
             custom: Default::default(),
+            r#type: None,
         }
     }
 }
@@ -407,12 +456,33 @@ impl<T: FromXml> FromXml for Presence<T> {
 
     fn parse() -> Self::P {
         |(namespace, event): (ResolveResult<'static>, &'static Event<'static>)| -> Result<Self> {
-            let _ = match event {
+            let (bytes, end) = match event {
-                Event::Start(bytes) => bytes,
+                Event::Start(bytes) => (bytes, false),
-                Event::Empty(_) => return Ok(Presence::default()),
+                Event::Empty(bytes) => (bytes, true),
                 _ => return Err(ffail!("Unexpected XML event: {event:?}")),
             };
             let mut p = Presence::<T>::default();
+            for attr in bytes.attributes() {
+                let attr = attr?;
+                match attr.key.0 {
+                    b"to" => {
+                        let s = std::str::from_utf8(&attr.value)?;
+                        p.to = Some(Jid::from_string(s)?);
+                    }
+                    b"from" => {
+                        let s = std::str::from_utf8(&attr.value)?;
+                        p.to = Some(Jid::from_string(s)?);
+                    }
+                    b"type" => {
+                        let s = std::str::from_utf8(&attr.value)?;
+                        p.r#type = Some(s.into());
+                    }
+                    _ => {}
+                }
+            }
+            if end {
+                return Ok(p);
+            }
             loop {
                 let (namespace, event) = yield;
                 match event {
@@ -485,13 +555,13 @@ impl<T: ToXml> ToXml for Presence<T> {
         if let Some(ref to) = self.to {
             start.extend_attributes([Attribute {
                 key: QName(b"to"),
-                value: to.as_bytes().into(),
+                value: to.to_string().as_bytes().into(),
             }]);
         }
         if let Some(ref from) = self.from {
             start.extend_attributes([Attribute {
                 key: QName(b"from"),
-                value: from.as_bytes().into(),
+                value: from.to_string().as_bytes().into(),
             }]);
         }
         events.push(Event::Start(start));
@@ -509,7 +579,7 @@ impl<T: ToXml> ToXml for Presence<T> {
 
 #[cfg(test)]
 mod tests {
-    use crate::protos::xmpp::bind::{BindRequest, Resource};
+    use crate::protos::xmpp::bind::{BindRequest, Name, Resource, Server};
 
     use super::*;
     use quick_xml::NsReader;
@@ -542,7 +612,11 @@ mod tests {
             Message {
                 from: None,
                 id: Some("aacea".to_string()),
-                to: Some("nikita@vlnv.dev".to_string()),
+                to: Some(Jid {
+                    name: Some(Name("nikita".to_owned())),
+                    server: Server("vlnv.dev".to_owned()),
+                    resource: None
+                }),
                 r#type: MessageType::Chat,
                 lang: None,
                 subject: Some("daa".to_string()),

src/protos/xmpp/disco.rs

@@ -34,7 +34,7 @@ impl FromXml for InfoQuery {
                 let attr = attr?;
                 match attr.key.0 {
                     b"node" => {
-                        let s = std::str::from_utf8(bytes)?;
+                        let s = std::str::from_utf8(&attr.value)?;
                         node = Some(s.to_owned())
                     }
                     _ => {}
@@ -154,15 +154,15 @@ impl FromXml for Identity {
                 let attr = attr?;
                 match attr.key.0 {
                     b"category" => {
-                        let s = std::str::from_utf8(bytes)?;
+                        let s = std::str::from_utf8(&attr.value)?;
                         category = Some(s.to_owned())
                     }
                     b"name" => {
-                        let s = std::str::from_utf8(bytes)?;
+                        let s = std::str::from_utf8(&attr.value)?;
                         name = Some(s.to_owned())
                     }
                     b"type" => {
-                        let s = std::str::from_utf8(bytes)?;
+                        let s = std::str::from_utf8(&attr.value)?;
                         r#type = Some(s.to_owned())
                     }
                     _ => {}
@@ -224,7 +224,7 @@ impl FromXml for Feature {
                 let attr = attr?;
                 match attr.key.0 {
                     b"var" => {
-                        let s = std::str::from_utf8(bytes)?;
+                        let s = std::str::from_utf8(&attr.value)?;
                         var = Some(s.to_owned())
                     }
                     _ => {}
@@ -359,15 +359,15 @@ impl FromXml for Item {
                 let attr = attr?;
                 match attr.key.0 {
                     b"name" => {
-                        let s = std::str::from_utf8(bytes)?;
+                        let s = std::str::from_utf8(&attr.value)?;
                         name = Some(s.to_owned())
                     }
                     b"node" => {
-                        let s = std::str::from_utf8(bytes)?;
+                        let s = std::str::from_utf8(&attr.value)?;
                         node = Some(s.to_owned())
                     }
                     b"jid" => {
-                        let s = std::str::from_utf8(bytes)?;
+                        let s = std::str::from_utf8(&attr.value)?;
                         let s = Jid::from_string(s)?;
                         jid = Some(s)
                     }

src/protos/xmpp/muc/mod.rs

@@ -28,17 +28,17 @@ impl FromXml for History {
                 let attr = attr?;
                 match attr.key.0 {
                     b"maxchars" => {
-                        let s = std::str::from_utf8(bytes)?;
+                        let s = std::str::from_utf8(&attr.value)?;
                         let a = s.parse()?;
                         history.maxchars = Some(a)
                     }
                     b"maxstanzas" => {
-                        let s = std::str::from_utf8(bytes)?;
+                        let s = std::str::from_utf8(&attr.value)?;
                         let a = s.parse()?;
                         history.maxstanzas = Some(a)
                     }
                     b"seconds" => {
-                        let s = std::str::from_utf8(bytes)?;
+                        let s = std::str::from_utf8(&attr.value)?;
                         let a = s.parse()?;
                         history.seconds = Some(a)
                     }