wip

.gitea/workflows/test-pr.yml

@@ -12,7 +12,7 @@ jobs:
       uses: https://github.com/actions-rs/cargo@v1
       with:
         command: fmt
-        args: "--check --all"
+        args: "--check -p mgmt-api -p lavina-core -p projection-irc -p projection-xmpp -p sasl"
     - name: cargo check
       uses: https://github.com/actions-rs/cargo@v1
       with:

.run/Run lavina.run.xml

@@ -1,21 +0,0 @@
-<component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="Run lavina" type="CargoCommandRunConfiguration" factoryName="Cargo Command">
-    <option name="command" value="run --package lavina --bin lavina -- --config config.toml" />
-    <option name="workingDirectory" value="file://$PROJECT_DIR$" />
-    <envs>
-      <env name="RUST_LOG" value="debug" />
-    </envs>
-    <option name="emulateTerminal" value="true" />
-    <option name="channel" value="DEFAULT" />
-    <option name="requiredFeatures" value="true" />
-    <option name="allFeatures" value="false" />
-    <option name="withSudo" value="false" />
-    <option name="buildTarget" value="REMOTE" />
-    <option name="backtrace" value="FULL" />
-    <option name="isRedirectInput" value="false" />
-    <option name="redirectInputPath" value="" />
-    <method v="2">
-      <option name="CARGO.BUILD_TASK_PROVIDER" enabled="true" />
-    </method>
-  </configuration>
-</component>

Cargo.toml

@@ -18,8 +18,8 @@ assert_matches = "1.5.0"
 tokio = { version = "1.24.1", features = ["full"] } # async runtime
 futures-util = "0.3.25"
 anyhow = "1.0.68" # error utils
-nonempty = "0.10.0"
-quick-xml = { version = "0.31.0", features = ["async-tokio"] }
+nonempty = "0.8.1"
+quick-xml = { version = "0.30.0", features = ["async-tokio"] }
 lazy_static = "1.4.0"
 regex = "1.7.1"
 derive_more = "0.99.17"
@@ -62,4 +62,4 @@ clap.workspace = true
 [dev-dependencies]
 assert_matches.workspace = true
 regex = "1.7.1"
-reqwest = { version = "0.12.0", default-features = false }
+reqwest = { version = "0.11", default-features = false }

crates/lavina-core/src/player.rs

@@ -14,7 +14,10 @@ use std::{
 
 use prometheus::{IntGauge, Registry as MetricsRegistry};
 use serde::Serialize;
-use tokio::sync::mpsc::{channel, Receiver, Sender};
+use tokio::{
+    sync::mpsc::{channel, Receiver, Sender},
+    task::JoinHandle,
+};
 
 use crate::prelude::*;
 use crate::room::{RoomHandle, RoomId, RoomInfo, RoomRegistry};
@@ -42,65 +45,58 @@ impl PlayerId {
     }
 }
 
-/// Node-local identifier of a connection. It is used to address a connection within a player actor.
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct ConnectionId(pub AnonKey);
 
-/// Representation of an authenticated client connection.
-/// The public API available to projections through which all client actions are executed.
-///
-/// The connection is used to send commands to the player actor and to receive updates that might be sent to the client.
 pub struct PlayerConnection {
     pub connection_id: ConnectionId,
     pub receiver: Receiver<Updates>,
     player_handle: PlayerHandle,
 }
 impl PlayerConnection {
-    /// Handled in [Player::send_message].
     pub async fn send_message(&mut self, room_id: RoomId, body: Str) -> Result<()> {
-        let (promise, deferred) = oneshot();
-        let cmd = ClientCommand::SendMessage { room_id, body, promise };
-        self.player_handle.send(ActorCommand::ClientCommand(cmd, self.connection_id.clone())).await;
-        Ok(deferred.await?)
+        self.player_handle
+            .send_message(room_id, self.connection_id.clone(), body)
+            .await
     }
 
-    /// Handled in [Player::join_room].
     pub async fn join_room(&mut self, room_id: RoomId) -> Result<JoinResult> {
-        let (promise, deferred) = oneshot();
-        let cmd = ClientCommand::JoinRoom { room_id, promise };
-        self.player_handle.send(ActorCommand::ClientCommand(cmd, self.connection_id.clone())).await;
-        Ok(deferred.await?)
+        self.player_handle.join_room(room_id, self.connection_id.clone()).await
     }
 
-    /// Handled in [Player::change_topic].
     pub async fn change_topic(&mut self, room_id: RoomId, new_topic: Str) -> Result<()> {
         let (promise, deferred) = oneshot();
-        let cmd = ClientCommand::ChangeTopic {
+        let cmd = Cmd::ChangeTopic {
             room_id,
             new_topic,
             promise,
         };
-        self.player_handle.send(ActorCommand::ClientCommand(cmd, self.connection_id.clone())).await;
+        self.player_handle
+            .send(PlayerCommand::Cmd(cmd, self.connection_id.clone()))
+            .await;
         Ok(deferred.await?)
     }
 
-    /// Handled in [Player::leave_room].
     pub async fn leave_room(&mut self, room_id: RoomId) -> Result<()> {
         let (promise, deferred) = oneshot();
-        let cmd = ClientCommand::LeaveRoom { room_id, promise };
-        self.player_handle.send(ActorCommand::ClientCommand(cmd, self.connection_id.clone())).await;
+        self.player_handle
+            .send(PlayerCommand::Cmd(
+                Cmd::LeaveRoom { room_id, promise },
+                self.connection_id.clone(),
+            ))
+            .await;
         Ok(deferred.await?)
     }
 
     pub async fn terminate(self) {
-        self.player_handle.send(ActorCommand::TerminateConnection(self.connection_id)).await;
+        self.player_handle
+            .send(PlayerCommand::TerminateConnection(self.connection_id))
+            .await;
     }
 
-    /// Handled in [Player::get_rooms].
     pub async fn get_rooms(&self) -> Result<Vec<RoomInfo>> {
         let (promise, deferred) = oneshot();
-        let cmd = ClientCommand::GetRooms { promise };
-        self.player_handle.send(ActorCommand::ClientCommand(cmd, self.connection_id.clone())).await;
+        self.player_handle.send(PlayerCommand::GetRooms(promise)).await;
         Ok(deferred.await?)
     }
 }
@@ -108,13 +104,13 @@ impl PlayerConnection {
 /// Handle to a player actor.
 #[derive(Clone)]
 pub struct PlayerHandle {
-    tx: Sender<ActorCommand>,
+    tx: Sender<PlayerCommand>,
 }
 impl PlayerHandle {
     pub async fn subscribe(&self) -> PlayerConnection {
         let (sender, receiver) = channel(32);
         let (promise, deferred) = oneshot();
-        let cmd = ActorCommand::AddConnection { sender, promise };
+        let cmd = PlayerCommand::AddConnection { sender, promise };
         let _ = self.tx.send(cmd).await;
         let connection_id = deferred.await.unwrap();
         PlayerConnection {
@@ -124,34 +120,45 @@ impl PlayerHandle {
         }
     }
 
-    async fn send(&self, command: ActorCommand) {
-        // TODO either handle the error or doc why it is safe to ignore
+    pub async fn send_message(&self, room_id: RoomId, connection_id: ConnectionId, body: Str) -> Result<()> {
+        let (promise, deferred) = oneshot();
+        let cmd = Cmd::SendMessage { room_id, body, promise };
+        let _ = self.tx.send(PlayerCommand::Cmd(cmd, connection_id)).await;
+        Ok(deferred.await?)
+    }
+
+    pub async fn join_room(&self, room_id: RoomId, connection_id: ConnectionId) -> Result<JoinResult> {
+        let (promise, deferred) = oneshot();
+        let cmd = Cmd::JoinRoom { room_id, promise };
+        let _ = self.tx.send(PlayerCommand::Cmd(cmd, connection_id)).await;
+        Ok(deferred.await?)
+    }
+
+    async fn send(&self, command: PlayerCommand) {
         let _ = self.tx.send(command).await;
     }
 
     pub async fn update(&self, update: Updates) {
-        self.send(ActorCommand::Update(update)).await;
+        self.send(PlayerCommand::Update(update)).await;
     }
 }
 
-/// Messages sent to the player actor.
-enum ActorCommand {
-    /// Establish a new connection.
+enum PlayerCommand {
+    /** Commands from connections */
     AddConnection {
         sender: Sender<Updates>,
         promise: Promise<ConnectionId>,
     },
-    /// Terminate an existing connection.
     TerminateConnection(ConnectionId),
-    /// Player-issued command.
-    ClientCommand(ClientCommand, ConnectionId),
-    /// Update which is sent from a room the player is member of.
+    Cmd(Cmd, ConnectionId),
+    /// Query - responds with a list of rooms the player is a member of.
+    GetRooms(Promise<Vec<RoomInfo>>),
+    /** Events from rooms */
     Update(Updates),
     Stop,
 }
 
-/// Client-issued command sent to the player actor. The actor will respond with by fulfilling the promise.
-pub enum ClientCommand {
+pub enum Cmd {
     JoinRoom {
         room_id: RoomId,
         promise: Promise<JoinResult>,
@@ -170,9 +177,6 @@ pub enum ClientCommand {
         new_topic: Str,
         promise: Promise<()>,
     },
-    GetRooms {
-        promise: Promise<Vec<RoomInfo>>,
-    },
 }
 
 pub enum JoinResult {
@@ -239,7 +243,7 @@ impl PlayerRegistry {
     pub async fn shutdown_all(&mut self) -> Result<()> {
         let mut inner = self.0.write().unwrap();
         for (i, (k, j)) in inner.players.drain() {
-            k.send(ActorCommand::Stop).await;
+            k.send(PlayerCommand::Stop).await;
             drop(k);
             j.await?;
             log::debug!("Player stopped #{i:?}")
@@ -262,7 +266,7 @@ struct Player {
     connections: AnonTable<Sender<Updates>>,
     my_rooms: HashMap<RoomId, RoomHandle>,
     banned_from: HashSet<RoomId>,
-    rx: Receiver<ActorCommand>,
+    rx: Receiver<PlayerCommand>,
     handle: PlayerHandle,
     rooms: RoomRegistry,
 }
@@ -287,152 +291,124 @@ impl Player {
     async fn main_loop(mut self) -> Self {
         while let Some(cmd) = self.rx.recv().await {
             match cmd {
-                ActorCommand::AddConnection { sender, promise } => {
+                PlayerCommand::AddConnection { sender, promise } => {
                     let connection_id = self.connections.insert(sender);
                     if let Err(connection_id) = promise.send(ConnectionId(connection_id)) {
                         log::warn!("Connection {connection_id:?} terminated before finalization");
                         self.terminate_connection(connection_id);
                     }
                 }
-                ActorCommand::TerminateConnection(connection_id) => {
+                PlayerCommand::TerminateConnection(connection_id) => {
                     self.terminate_connection(connection_id);
                 }
-                ActorCommand::Update(update) => self.handle_update(update).await,
-                ActorCommand::ClientCommand(cmd, connection_id) => self.handle_cmd(cmd, connection_id).await,
-                ActorCommand::Stop => break,
+                PlayerCommand::GetRooms(promise) => {
+                    let mut response = vec![];
+                    for (_, handle) in &self.my_rooms {
+                        response.push(handle.get_room_info().await);
+                    }
+                    let _ = promise.send(response);
+                }
+                PlayerCommand::Update(update) => {
+                    log::info!(
+                        "Player received an update, broadcasting to {} connections",
+                        self.connections.len()
+                    );
+                    match update {
+                        Updates::BannedFrom(ref room_id) => {
+                            self.banned_from.insert(room_id.clone());
+                            self.my_rooms.remove(room_id);
+                        }
+                        _ => {}
+                    }
+                    for (_, connection) in &self.connections {
+                        let _ = connection.send(update.clone()).await;
+                    }
+                }
+                PlayerCommand::Cmd(cmd, connection_id) => self.handle_cmd(cmd, connection_id).await,
+                PlayerCommand::Stop => break,
             }
         }
         log::debug!("Shutting down player actor #{:?}", self.player_id);
         self
     }
 
-    /// Handle an incoming update by changing the internal state and broadcasting it to all connections if necessary.
-    async fn handle_update(&mut self, update: Updates) {
-        log::info!(
-            "Player received an update, broadcasting to {} connections",
-            self.connections.len()
-        );
-        match update {
-            Updates::BannedFrom(ref room_id) => {
-                self.banned_from.insert(room_id.clone());
-                self.my_rooms.remove(room_id);
-            }
-            _ => {}
-        }
-        for (_, connection) in &self.connections {
-            let _ = connection.send(update.clone()).await;
-        }
-    }
-
     fn terminate_connection(&mut self, connection_id: ConnectionId) {
         if let None = self.connections.pop(connection_id.0) {
             log::warn!("Connection {connection_id:?} already terminated");
         }
     }
 
-    /// Dispatches a client command to the appropriate handler.
-    async fn handle_cmd(&mut self, cmd: ClientCommand, connection_id: ConnectionId) {
+    async fn handle_cmd(&mut self, cmd: Cmd, connection_id: ConnectionId) {
         match cmd {
-            ClientCommand::JoinRoom { room_id, promise } => {
-                let result = self.join_room(connection_id, room_id).await;
-                let _ = promise.send(result);
+            Cmd::JoinRoom { room_id, promise } => {
+                if self.banned_from.contains(&room_id) {
+                    let _ = promise.send(JoinResult::Banned);
+                    return;
+                }
+
+                let room = match self.rooms.get_or_create_room(room_id.clone()).await {
+                    Ok(room) => room,
+                    Err(e) => {
+                        log::error!("Failed to get or create room: {e}");
+                        return;
+                    }
+                };
+                room.subscribe(self.player_id.clone(), self.handle.clone()).await;
+                self.my_rooms.insert(room_id.clone(), room.clone());
+                let room_info = room.get_room_info().await;
+                let _ = promise.send(JoinResult::Success(room_info));
+                let update = Updates::RoomJoined {
+                    room_id,
+                    new_member_id: self.player_id.clone(),
+                };
+                self.broadcast_update(update, connection_id).await;
             }
-            ClientCommand::LeaveRoom { room_id, promise } => {
-                self.leave_room(connection_id, room_id).await;
+            Cmd::LeaveRoom { room_id, promise } => {
+                let room = self.my_rooms.remove(&room_id);
+                if let Some(room) = room {
+                    room.unsubscribe(&self.player_id).await;
+                    let room_info = room.get_room_info().await;
+                }
                 let _ = promise.send(());
+                let update = Updates::RoomLeft {
+                    room_id,
+                    former_member_id: self.player_id.clone(),
+                };
+                self.broadcast_update(update, connection_id).await;
             }
-            ClientCommand::SendMessage { room_id, body, promise } => {
-                self.send_message(connection_id, room_id, body).await;
+            Cmd::SendMessage { room_id, body, promise } => {
+                let room = self.rooms.get_room(&room_id).await;
+                if let Some(room) = room {
+                    room.send_message(self.player_id.clone(), body.clone()).await;
+                } else {
+                    tracing::info!("no room found");
+                }
                 let _ = promise.send(());
+                let update = Updates::NewMessage {
+                    room_id,
+                    author_id: self.player_id.clone(),
+                    body,
+                };
+                self.broadcast_update(update, connection_id).await;
             }
-            ClientCommand::ChangeTopic {
+            Cmd::ChangeTopic {
                 room_id,
                 new_topic,
                 promise,
             } => {
-                self.change_topic(connection_id, room_id, new_topic).await;
+                let room = self.rooms.get_room(&room_id).await;
+                if let Some(mut room) = room {
+                    room.set_topic(self.player_id.clone(), new_topic.clone()).await;
+                } else {
+                    tracing::info!("no room found");
+                }
                 let _ = promise.send(());
-            }
-            ClientCommand::GetRooms { promise } => {
-                let result = self.get_rooms().await;
-                let _ = promise.send(result);
+                let update = Updates::RoomTopicChanged { room_id, new_topic };
+                self.broadcast_update(update, connection_id).await;
             }
         }
     }
 
-    async fn join_room(&mut self, connection_id: ConnectionId, room_id: RoomId) -> JoinResult {
-        if self.banned_from.contains(&room_id) {
-            return JoinResult::Banned;
-        }
-
-        let room = match self.rooms.get_or_create_room(room_id.clone()).await {
-            Ok(room) => room,
-            Err(e) => {
-                log::error!("Failed to get or create room: {e}");
-                todo!();
-            }
-        };
-        room.subscribe(self.player_id.clone(), self.handle.clone()).await;
-        self.my_rooms.insert(room_id.clone(), room.clone());
-        let room_info = room.get_room_info().await;
-        let update = Updates::RoomJoined {
-            room_id,
-            new_member_id: self.player_id.clone(),
-        };
-        self.broadcast_update(update, connection_id).await;
-        JoinResult::Success(room_info)
-    }
-
-    async fn leave_room(&mut self, connection_id: ConnectionId, room_id: RoomId) {
-        let room = self.my_rooms.remove(&room_id);
-        if let Some(room) = room {
-            room.unsubscribe(&self.player_id).await;
-        }
-        let update = Updates::RoomLeft {
-            room_id,
-            former_member_id: self.player_id.clone(),
-        };
-        self.broadcast_update(update, connection_id).await;
-    }
-
-    async fn send_message(&mut self, connection_id: ConnectionId, room_id: RoomId, body: Str) {
-        let room = self.rooms.get_room(&room_id).await;
-        if let Some(room) = room {
-            room.send_message(self.player_id.clone(), body.clone()).await;
-        } else {
-            tracing::info!("no room found");
-        }
-        let update = Updates::NewMessage {
-            room_id,
-            author_id: self.player_id.clone(),
-            body,
-        };
-        self.broadcast_update(update, connection_id).await;
-    }
-
-    async fn change_topic(&mut self, connection_id: ConnectionId, room_id: RoomId, new_topic: Str) {
-        let room = self.rooms.get_room(&room_id).await;
-        if let Some(mut room) = room {
-            room.set_topic(self.player_id.clone(), new_topic.clone()).await;
-        } else {
-            tracing::info!("no room found");
-        }
-        let update = Updates::RoomTopicChanged { room_id, new_topic };
-        self.broadcast_update(update, connection_id).await;
-    }
-
-    async fn get_rooms(&self) -> Vec<RoomInfo> {
-        let mut response = vec![];
-        for (_, handle) in &self.my_rooms {
-            response.push(handle.get_room_info().await);
-        }
-        response
-    }
-
-    /// Broadcasts an update to all connections except the one with the given id.
-    ///
-    /// This is called after handling a client command.
-    /// Sending the update to the connection which sent the command is handled by the connection itself.
     async fn broadcast_update(&self, update: Updates, except: ConnectionId) {
         for (a, b) in &self.connections {
             if ConnectionId(a) == except {

crates/lavina-core/src/room.rs

@@ -31,7 +31,7 @@ impl RoomId {
     }
 }
 
-/// Shared data structure for storing metadata about rooms.
+/// Shared datastructure for storing metadata about rooms.
 #[derive(Clone)]
 pub struct RoomRegistry(Arc<AsyncRwLock<RoomRegistryInner>>);
 impl RoomRegistry {
@@ -160,13 +160,9 @@ impl RoomHandle {
 }
 
 struct Room {
-    /// The numeric node-local id of the room as it is stored in the database.
     storage_id: u32,
-    /// The cluster-global id of the room.
     room_id: RoomId,
-    /// Player actors on the local node which are subscribed to this room's updates.
     subscriptions: HashMap<PlayerId, PlayerHandle>,
-    /// The total number of messages. Used to calculate the id of the new message.
     message_count: u32,
     topic: Str,
     storage: Storage,
@@ -184,7 +180,9 @@ impl Room {
 
     async fn send_message(&mut self, author_id: PlayerId, body: Str) -> Result<()> {
         tracing::info!("Adding a message to room");
-        self.storage.insert_message(self.storage_id, self.message_count, &body, &*author_id.as_inner()).await?;
+        self.storage
+            .insert_message(self.storage_id, self.message_count, &body, &*author_id.as_inner())
+            .await?;
         self.message_count += 1;
         let update = Updates::NewMessage {
             room_id: self.room_id.clone(),
@@ -195,10 +193,6 @@ impl Room {
         Ok(())
     }
 
-    /// Broadcasts an update to all players except the one who caused the update.
-    ///
-    /// This is called after handling a client command.
-    /// Sending the update to the player who sent the command is handled by the player actor.
     async fn broadcast_update(&self, update: Updates, except: &PlayerId) {
         tracing::debug!("Broadcasting an update to {} subs", self.subscriptions.len());
         for (player_id, sub) in &self.subscriptions {

crates/lavina-core/src/terminator.rs

@@ -1,10 +1,12 @@
 use crate::prelude::*;
 
+/// A handle to a task that can be gracefully terminated.
 pub struct Terminator {
     signal: Promise<()>,
     completion: JoinHandle<Result<()>>,
 }
 impl Terminator {
+    /// Send a signal to the task to terminate and await its completion.
     pub async fn terminate(self) -> Result<()> {
         match self.signal.send(()) {
             Ok(()) => {}
@@ -14,7 +16,10 @@ impl Terminator {
         Ok(())
     }
 
-    /// Used to spawn managed tasks with support for graceful shutdown
+    /// Spawn a task with support for graceful shutdown.
+    ///
+    /// The launched task must listen for the termination signal and stop gracefully on receiving it.
+    /// The signal is sent by calling the `terminate` method on the returned `Terminator` instance outside the task.
     pub fn spawn<Fun, Fut>(launcher: Fun) -> Terminator
     where
         Fun: FnOnce(Deferred<()>) -> Fut,

crates/projection-irc/rustfmt.toml

@@ -0,0 +1,2 @@
+max_width = 120
+chain_width = 120

crates/projection-irc/src/lib.rs

@@ -30,8 +30,6 @@ mod cap;
 
 use crate::cap::Capabilities;
 
-pub const APP_VERSION: &str = concat!("lavina", "_", env!("CARGO_PKG_VERSION"));
-
 #[derive(Deserialize, Debug, Clone)]
 pub struct ServerConfig {
     pub listen_on: SocketAddr,
@@ -44,7 +42,7 @@ struct RegisteredUser {
     /**
      * Username is mostly unused in modern IRC.
      *
-     * <https://stackoverflow.com/questions/31666247/what-is-the-difference-between-the-nick-username-and-real-name-in-irc-and-wha>
+     * [https://stackoverflow.com/questions/31666247/what-is-the-difference-between-the-nick-username-and-real-name-in-irc-and-wha]
      */
     username: Str,
     realname: Str,
@@ -64,24 +62,19 @@ async fn handle_socket(
     let mut reader: BufReader<ReadHalf> = BufReader::new(reader);
     let mut writer = BufWriter::new(writer);
 
-    pin!(termination);
-    select! {
-        biased;
-        _ = &mut termination =>{
-            log::info!("Socket handling was terminated");
-            return Ok(())
-        },
-        registered_user = handle_registration(&mut reader, &mut writer, &mut storage, &config) =>
-            match registered_user {
-                Ok(user) => {
-                    log::debug!("User registered");
-                    handle_registered_socket(config, players, rooms, &mut reader, &mut writer, user).await?;
-                }
-                Err(err) => {
-                    log::debug!("Registration failed: {err}");
-                }
-            }
+    let registered_user: Result<RegisteredUser> =
+        handle_registration(&mut reader, &mut writer, &mut storage, &config).await;
+
+    match registered_user {
+        Ok(user) => {
+            log::debug!("User registered");
+            handle_registered_socket(config, players, rooms, &mut reader, &mut writer, user).await?;
+        }
+        Err(err) => {
+            log::debug!("Registration failed: {err}");
+        }
     }
+
     stream.shutdown().await?;
     Ok(())
 }
@@ -187,16 +180,14 @@ async fn handle_registration<'a>(
                     writer.flush().await?;
                 }
                 CapabilitySubcommand::End => {
-                    let Some((ref username, ref realname)) = future_username else {
-                        todo!();
+                    let Some((username, realname)) = future_username else {
+                        todo!()
                     };
                     let Some(nickname) = future_nickname.clone() else {
-                        todo!();
+                        todo!()
                     };
-                    let username = username.clone();
-                    let realname = realname.clone();
                     let candidate_user = RegisteredUser {
-                        nickname: nickname.clone(),
+                        nickname,
                         username,
                         realname,
                     };
@@ -206,15 +197,7 @@ async fn handle_registration<'a>(
                         break Ok(candidate_user);
                     } else {
                         let Some(candidate_password) = pass else {
-                            sasl_fail_message(
-                                config.server_name.clone(),
-                                nickname.clone(),
-                                "User credentials was not provided".into(),
-                            )
-                            .write_async(writer)
-                            .await?;
-                            writer.flush().await?;
-                            continue;
+                            todo!();
                         };
                         auth_user(storage, &*candidate_user.nickname, &*candidate_password).await?;
                         break Ok(candidate_user);
@@ -226,20 +209,12 @@ async fn handle_registration<'a>(
                     future_nickname = Some(nickname);
                 } else if let Some((username, realname)) = future_username.clone() {
                     let candidate_user = RegisteredUser {
-                        nickname: nickname.clone(),
+                        nickname,
                         username,
                         realname,
                     };
                     let Some(candidate_password) = pass else {
-                        sasl_fail_message(
-                            config.server_name.clone(),
-                            nickname.clone(),
-                            "User credentials was not provided".into(),
-                        )
-                        .write_async(writer)
-                        .await?;
-                        writer.flush().await?;
-                        continue;
+                        todo!();
                     };
                     auth_user(storage, &*candidate_user.nickname, &*candidate_password).await?;
                     break Ok(candidate_user);
@@ -252,20 +227,12 @@ async fn handle_registration<'a>(
                     future_username = Some((username, realname));
                 } else if let Some(nickname) = future_nickname.clone() {
                     let candidate_user = RegisteredUser {
-                        nickname: nickname.clone(),
+                        nickname,
                         username,
                         realname,
                     };
                     let Some(candidate_password) = pass else {
-                        sasl_fail_message(
-                            config.server_name.clone(),
-                            nickname.clone(),
-                            "User credentials was not provided".into(),
-                        )
-                        .write_async(writer)
-                        .await?;
-                        writer.flush().await?;
-                        continue;
+                        todo!();
                     };
                     auth_user(storage, &*candidate_user.nickname, &*candidate_password).await?;
                     break Ok(candidate_user);
@@ -288,59 +255,38 @@ async fn handle_registration<'a>(
                         .await?;
                         writer.flush().await?;
                     } else {
-                        if let Some(nickname) = future_nickname.clone() {
-                            sasl_fail_message(
-                                config.server_name.clone(),
-                                nickname.clone(),
-                                "Unsupported mechanism".into(),
-                            )
-                            .write_async(writer)
-                            .await?;
-                            writer.flush().await?;
-                        } else {
-                            break Err(anyhow::Error::msg("Wrong authentication sequence"));
-                        }
+                        // TODO respond with 904
+                        todo!();
                     }
                 } else {
                     let body = AuthBody::from_str(body.as_bytes())?;
-                    if let Err(e) = auth_user(storage, &body.login, &body.password).await {
-                        tracing::warn!("Authentication failed: {:?}", e);
-                        if let Some(nickname) = future_nickname.clone() {
-                            sasl_fail_message(config.server_name.clone(), nickname.clone(), "Bad credentials".into())
-                                .write_async(writer)
-                                .await?;
-                            writer.flush().await?;
-                        } else {
-                        }
-                    } else {
-                        let login: Str = body.login.into();
-                        validated_user = Some(login.clone());
-                        ServerMessage {
-                            tags: vec![],
-                            sender: Some(config.server_name.clone().into()),
-                            body: ServerMessageBody::N900LoggedIn {
-                                nick: login.clone(),
-                                address: login.clone(),
-                                account: login.clone(),
-                                message: format!("You are now logged in as {}", login).into(),
-                            },
-                        }
-                        .write_async(writer)
-                        .await?;
-                        ServerMessage {
-                            tags: vec![],
-                            sender: Some(config.server_name.clone().into()),
-                            body: ServerMessageBody::N903SaslSuccess {
-                                nick: login.clone(),
-                                message: "SASL authentication successful".into(),
-                            },
-                        }
-                        .write_async(writer)
-                        .await?;
-                        writer.flush().await?;
+                    auth_user(storage, &body.login, &body.password).await?;
+                    let login: Str = body.login.into();
+                    validated_user = Some(login.clone());
+                    ServerMessage {
+                        tags: vec![],
+                        sender: Some(config.server_name.clone().into()),
+                        body: ServerMessageBody::N900LoggedIn {
+                            nick: login.clone(),
+                            address: login.clone(),
+                            account: login.clone(),
+                            message: format!("You are now logged in as {}", login).into(),
+                        },
                     }
+                    .write_async(writer)
+                    .await?;
+                    ServerMessage {
+                        tags: vec![],
+                        sender: Some(config.server_name.clone().into()),
+                        body: ServerMessageBody::N903SaslSuccess {
+                            nick: login.clone(),
+                            message: "SASL authentication successful".into(),
+                        },
+                    }
+                    .write_async(writer)
+                    .await?;
+                    writer.flush().await?;
                 }
-
                 // TODO handle abortion of authentication
             }
             _ => {}
@@ -351,14 +297,6 @@ async fn handle_registration<'a>(
     Ok(user)
 }
 
-fn sasl_fail_message(sender: Str, nick: Str, text: Str) -> ServerMessage {
-    ServerMessage {
-        tags: vec![],
-        sender: Some(sender),
-        body: ServerMessageBody::N904SaslFail { nick, text },
-    }
-}
-
 async fn auth_user(storage: &mut Storage, login: &str, plain_password: &str) -> Result<()> {
     let stored_user = storage.retrieve_user_by_name(login).await?;
 
@@ -393,14 +331,13 @@ async fn handle_registered_socket<'a>(
 
     let player_id = PlayerId::from(user.nickname.clone())?;
     let mut connection = players.connect_to_player(player_id.clone()).await;
-    let text: Str = format!("Welcome to {} Server", &config.server_name).into();
 
     ServerMessage {
         tags: vec![],
         sender: Some(config.server_name.clone()),
         body: ServerMessageBody::N001Welcome {
             client: user.nickname.clone(),
-            text: text.clone(),
+            text: "Welcome to Kek Server".into(),
         },
     }
     .write_async(writer)
@@ -410,7 +347,7 @@ async fn handle_registered_socket<'a>(
         sender: Some(config.server_name.clone()),
         body: ServerMessageBody::N002YourHost {
             client: user.nickname.clone(),
-            text: text.clone(),
+            text: "Welcome to Kek Server".into(),
         },
     }
     .write_async(writer)
@@ -420,7 +357,7 @@ async fn handle_registered_socket<'a>(
         sender: Some(config.server_name.clone()),
         body: ServerMessageBody::N003Created {
             client: user.nickname.clone(),
-            text: text.clone(),
+            text: "Welcome to Kek Server".into(),
         },
     }
     .write_async(writer)
@@ -431,7 +368,7 @@ async fn handle_registered_socket<'a>(
         body: ServerMessageBody::N004MyInfo {
             client: user.nickname.clone(),
             hostname: config.server_name.clone(),
-            softname: APP_VERSION.into(),
+            softname: "kek-0.1.alpha.3".into(),
         },
     }
     .write_async(writer)

crates/projection-irc/tests/lib.rs

@@ -1,5 +1,3 @@
-use std::io::ErrorKind;
-use std::net::SocketAddr;
 use std::time::Duration;
 
 use anyhow::{anyhow, Result};
@@ -10,8 +8,8 @@ use tokio::net::TcpStream;
 
 use lavina_core::repo::{Storage, StorageConfig};
 use lavina_core::{player::PlayerRegistry, room::RoomRegistry};
-use projection_irc::APP_VERSION;
 use projection_irc::{launch, read_irc_message, RunningServer, ServerConfig};
+
 struct TestScope<'a> {
     reader: BufReader<ReadHalf<'a>>,
     writer: WriteHalf<'a>,
@@ -113,17 +111,10 @@ async fn scenario_basic() -> Result<()> {
     s.send("PASS password").await?;
     s.send("NICK tester").await?;
     s.send("USER UserName 0 * :Real Name").await?;
-    s.expect(":testserver 001 tester :Welcome to testserver Server").await?;
-    s.expect(":testserver 002 tester :Welcome to testserver Server").await?;
-    s.expect(":testserver 003 tester :Welcome to testserver Server").await?;
-    s.expect(
-        format!(
-            ":testserver 004 tester testserver {} r CFILPQbcefgijklmnopqrstvz",
-            &APP_VERSION
-        )
-        .as_str(),
-    )
-    .await?;
+    s.expect(":testserver 001 tester :Welcome to Kek Server").await?;
+    s.expect(":testserver 002 tester :Welcome to Kek Server").await?;
+    s.expect(":testserver 003 tester :Welcome to Kek Server").await?;
+    s.expect(":testserver 004 tester testserver kek-0.1.alpha.3 r CFILPQbcefgijklmnopqrstvz").await?;
     s.expect(":testserver 005 tester CHANTYPES=# :are supported by this server").await?;
     s.expect_nothing().await?;
     s.send("QUIT :Leaving").await?;
@@ -168,17 +159,10 @@ async fn scenario_cap_full_negotiation() -> Result<()> {
 
     s.send("CAP END").await?;
 
-    s.expect(":testserver 001 tester :Welcome to testserver Server").await?;
-    s.expect(":testserver 002 tester :Welcome to testserver Server").await?;
-    s.expect(":testserver 003 tester :Welcome to testserver Server").await?;
-    s.expect(
-        format!(
-            ":testserver 004 tester testserver {} r CFILPQbcefgijklmnopqrstvz",
-            &APP_VERSION
-        )
-        .as_str(),
-    )
-    .await?;
+    s.expect(":testserver 001 tester :Welcome to Kek Server").await?;
+    s.expect(":testserver 002 tester :Welcome to Kek Server").await?;
+    s.expect(":testserver 003 tester :Welcome to Kek Server").await?;
+    s.expect(":testserver 004 tester testserver kek-0.1.alpha.3 r CFILPQbcefgijklmnopqrstvz").await?;
     s.expect(":testserver 005 tester CHANTYPES=# :are supported by this server").await?;
     s.expect_nothing().await?;
     s.send("QUIT :Leaving").await?;
@@ -217,17 +201,10 @@ async fn scenario_cap_short_negotiation() -> Result<()> {
 
     s.send("CAP END").await?;
 
-    s.expect(":testserver 001 tester :Welcome to testserver Server").await?;
-    s.expect(":testserver 002 tester :Welcome to testserver Server").await?;
-    s.expect(":testserver 003 tester :Welcome to testserver Server").await?;
-    s.expect(
-        format!(
-            ":testserver 004 tester testserver {} r CFILPQbcefgijklmnopqrstvz",
-            &APP_VERSION
-        )
-        .as_str(),
-    )
-    .await?;
+    s.expect(":testserver 001 tester :Welcome to Kek Server").await?;
+    s.expect(":testserver 002 tester :Welcome to Kek Server").await?;
+    s.expect(":testserver 003 tester :Welcome to Kek Server").await?;
+    s.expect(":testserver 004 tester testserver kek-0.1.alpha.3 r CFILPQbcefgijklmnopqrstvz").await?;
     s.expect(":testserver 005 tester CHANTYPES=# :are supported by this server").await?;
     s.expect_nothing().await?;
     s.send("QUIT :Leaving").await?;
@@ -241,84 +218,3 @@ async fn scenario_cap_short_negotiation() -> Result<()> {
     server.server.terminate().await?;
     Ok(())
 }
-
-#[tokio::test]
-async fn scenario_cap_sasl_fail() -> Result<()> {
-    let mut server = TestServer::start().await?;
-
-    // test scenario
-
-    server.storage.create_user("tester").await?;
-    server.storage.set_password("tester", "password").await?;
-
-    let mut stream = TcpStream::connect(server.server.addr).await?;
-    let mut s = TestScope::new(&mut stream);
-
-    s.send("CAP LS 302").await?;
-    s.send("NICK tester").await?;
-    s.send("USER UserName 0 * :Real Name").await?;
-    s.expect(":testserver CAP * LS :sasl=PLAIN").await?;
-    s.send("CAP REQ :sasl").await?;
-    s.expect(":testserver CAP tester ACK :sasl").await?;
-    s.send("AUTHENTICATE SHA256").await?;
-    s.expect(":testserver 904 tester :Unsupported mechanism").await?;
-    s.send("AUTHENTICATE PLAIN").await?;
-    s.expect(":testserver AUTHENTICATE +").await?;
-    s.send("AUTHENTICATE dGVzdGVyAHRlc3RlcgBwYXNzd29yZDE=").await?;
-    s.expect(":testserver 904 tester :Bad credentials").await?;
-    s.send("AUTHENTICATE dGVzdGVyAHRlc3RlcgBwYXNzd29yZA==").await?; // base64-encoded 'tester\x00tester\x00password'
-    s.expect(":testserver 900 tester tester tester :You are now logged in as tester").await?;
-    s.expect(":testserver 903 tester :SASL authentication successful").await?;
-
-    s.send("CAP END").await?;
-
-    s.expect(":testserver 001 tester :Welcome to testserver Server").await?;
-    s.expect(":testserver 002 tester :Welcome to testserver Server").await?;
-    s.expect(":testserver 003 tester :Welcome to testserver Server").await?;
-    s.expect(
-        format!(
-            ":testserver 004 tester testserver {} r CFILPQbcefgijklmnopqrstvz",
-            &APP_VERSION
-        )
-        .as_str(),
-    )
-    .await?;
-    s.expect(":testserver 005 tester CHANTYPES=# :are supported by this server").await?;
-    s.expect_nothing().await?;
-    s.send("QUIT :Leaving").await?;
-    s.expect(":testserver ERROR :Leaving the server").await?;
-    s.expect_eof().await?;
-
-    stream.shutdown().await?;
-
-    // wrap up
-
-    server.server.terminate().await?;
-    Ok(())
-}
-
-#[tokio::test]
-async fn terminate_socket_scenario() -> Result<()> {
-    let mut server = TestServer::start().await?;
-    let address: SocketAddr = ("127.0.0.1:0".parse().unwrap());
-
-    // test scenario
-
-    server.storage.create_user("tester").await?;
-    server.storage.set_password("tester", "password").await?;
-
-    let mut stream = TcpStream::connect(server.server.addr).await?;
-    let mut s = TestScope::new(&mut stream);
-
-    s.send("NICK tester").await?;
-    s.send("CAP REQ :sasl").await?;
-    s.send("USER UserName 0 * :Real Name").await?;
-    s.expect(":testserver CAP tester ACK :sasl").await?;
-    s.send("AUTHENTICATE PLAIN").await?;
-    s.expect(":testserver AUTHENTICATE +").await?;
-
-    server.server.terminate().await?;
-    assert_eq!(stream.read_u8().await.unwrap_err().kind(), ErrorKind::UnexpectedEof);
-
-    Ok(())
-}

crates/projection-xmpp/rustfmt.toml

@@ -0,0 +1,2 @@
+max_width = 120
+chain_width = 120

crates/projection-xmpp/src/lib.rs

@@ -187,33 +187,18 @@ async fn handle_socket(
     let mut xml_reader = NsReader::from_reader(BufReader::new(a));
     let mut xml_writer = Writer::new(b);
 
-    pin!(termination);
-    select! {
-        biased;
-        _ = &mut termination =>{
-            log::info!("Socket handling was terminated");
-            return Ok(())
-        },
-        authenticated = socket_auth(&mut xml_reader, &mut xml_writer, &mut reader_buf, &mut storage) => {
-            match authenticated {
-                Ok(authenticated) => {
-                    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,
-                        &rooms,
-                    )
-                    .await?;
-                },
-                Err(err) => {
-                    log::error!("Authentication error: {:?}", err);
-                }
-            }
-        },
-    }
+    let authenticated = socket_auth(&mut xml_reader, &mut xml_writer, &mut reader_buf, &mut storage).await?;
+    log::debug!("User authenticated");
+    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,
+        &rooms,
+    )
+    .await?;
 
     let a = xml_reader.into_inner().into_inner();
     let b = xml_writer.into_inner();

crates/projection-xmpp/tests/lib.rs

@@ -1,5 +1,3 @@
-use std::io::ErrorKind;
-use std::net::SocketAddr;
 use std::sync::Arc;
 use std::time::Duration;
 
@@ -8,7 +6,7 @@ use assert_matches::*;
 use prometheus::Registry as MetricsRegistry;
 use quick_xml::events::Event;
 use quick_xml::NsReader;
-use tokio::io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader};
+use tokio::io::{AsyncBufReadExt, AsyncWriteExt, BufReader};
 use tokio::io::{ReadHalf as GenericReadHalf, WriteHalf as GenericWriteHalf};
 use tokio::net::tcp::{ReadHalf, WriteHalf};
 use tokio::net::TcpStream;
@@ -124,7 +122,7 @@ impl ServerCertVerifier for IgnoreCertVerification {
 
 #[tokio::test]
 async fn scenario_basic() -> Result<()> {
-    tracing_subscriber::fmt::try_init();
+    tracing_subscriber::fmt::init();
     let config = ServerConfig {
         listen_on: "127.0.0.1:0".parse().unwrap(),
         cert: "tests/certs/xmpp.pem".parse().unwrap(),
@@ -186,61 +184,3 @@ async fn scenario_basic() -> Result<()> {
     server.terminate().await?;
     Ok(())
 }
-
-#[tokio::test]
-async fn terminate_socket() -> Result<()> {
-    tracing_subscriber::fmt::try_init();
-    let config = ServerConfig {
-        listen_on: "127.0.0.1:0".parse().unwrap(),
-        cert: "tests/certs/xmpp.pem".parse().unwrap(),
-        key: "tests/certs/xmpp.key".parse().unwrap(),
-    };
-    let mut metrics = MetricsRegistry::new();
-    let mut storage = Storage::open(StorageConfig {
-        db_path: ":memory:".into(),
-    })
-    .await?;
-    let rooms = RoomRegistry::new(&mut metrics, storage.clone()).unwrap();
-    let players = PlayerRegistry::empty(rooms.clone(), &mut metrics).unwrap();
-    let server = launch(config, players, rooms, metrics, storage.clone()).await.unwrap();
-    let address: SocketAddr = ("127.0.0.1:0".parse().unwrap());
-    // test scenario
-
-    storage.create_user("tester").await?;
-    storage.set_password("tester", "password").await?;
-
-    let mut stream = TcpStream::connect(server.addr).await?;
-    let mut s = TestScope::new(&mut stream);
-    tracing::info!("TCP connection established");
-
-    s.send(r#"<?xml version="1.0"?>"#).await?;
-
-    s.send(r#"<stream:stream xmlns:stream="http://etherx.jabber.org/streams" to="127.0.0.1" xml:lang="en" xmlns:xml="http://www.w3.org/XML/1998/namespace" xmlns="jabber:client" version="1.0">"#).await?;
-    assert_matches!(s.next_xml_event().await?, Event::Decl(_) => {});
-    assert_matches!(s.next_xml_event().await?, Event::Start(b) => assert_eq!(b.local_name().into_inner(), b"stream"));
-    assert_matches!(s.next_xml_event().await?, Event::Start(b) => assert_eq!(b.local_name().into_inner(), b"features"));
-    assert_matches!(s.next_xml_event().await?, Event::Start(b) => assert_eq!(b.local_name().into_inner(), b"starttls"));
-    assert_matches!(s.next_xml_event().await?, Event::Empty(b) => assert_eq!(b.local_name().into_inner(), b"required"));
-    assert_matches!(s.next_xml_event().await?, Event::End(b) => assert_eq!(b.local_name().into_inner(), b"starttls"));
-    assert_matches!(s.next_xml_event().await?, Event::End(b) => assert_eq!(b.local_name().into_inner(), b"features"));
-    s.send(r#"<starttls/>"#).await?;
-    assert_matches!(s.next_xml_event().await?, Event::Empty(b) => assert_eq!(b.local_name().into_inner(), b"proceed"));
-    let buffer = s.buffer;
-
-    let connector = TlsConnector::from(Arc::new(
-        ClientConfig::builder()
-            .with_safe_defaults()
-            .with_custom_certificate_verifier(Arc::new(IgnoreCertVerification))
-            .with_no_client_auth(),
-    ));
-
-    tracing::info!("Initiating TLS connection...");
-    let mut stream = connector.connect(ServerName::IpAddress(server.addr.ip()), stream).await?;
-    tracing::info!("TLS connection established");
-
-    server.terminate().await?;
-
-    assert_eq!(stream.read_u8().await.unwrap_err().kind(), ErrorKind::UnexpectedEof);
-
-    Ok(())
-}

crates/proto-irc/src/client.rs

@@ -7,42 +7,42 @@ use nonempty::NonEmpty;
 /// Client-to-server command.
 #[derive(Clone, Debug, PartialEq, Eq)]
 pub enum ClientMessage {
-    /// `CAP`. Capability-related commands.
+    /// CAP. Capability-related commands.
     Capability {
         subcommand: CapabilitySubcommand,
     },
-    /// `PING <token>`
+    /// PING <token>
     Ping {
         token: Str,
     },
-    /// `PONG <token>`
+    /// PONG <token>
     Pong {
         token: Str,
     },
-    /// `NICK <nickname>`
+    /// NICK <nickname>
     Nick {
         nickname: Str,
     },
-    /// `PASS <password>`
+    /// PASS <password>
     Pass {
         password: Str,
     },
-    /// `USER <username> 0 * :<realname>`
+    /// USER <username> 0 * :<realname>
     User {
         username: Str,
         realname: Str,
     },
-    /// `JOIN <chan>`
+    /// JOIN <chan>
     Join(Chan),
-    /// `MODE <target>`
+    /// MODE <target>
     Mode {
         target: Recipient,
     },
-    /// `WHO <target>`
+    /// WHO <target>
     Who {
         target: Recipient, // aka mask
     },
-    /// `TOPIC <chan> :<topic>`
+    /// TOPIC <chan> :<topic>
     Topic {
         chan: Chan,
         topic: Str,
@@ -51,12 +51,12 @@ pub enum ClientMessage {
         chan: Chan,
         message: Str,
     },
-    /// `PRIVMSG <target> :<msg>`
+    /// PRIVMSG <target> :<msg>
     PrivateMessage {
         recipient: Recipient,
         body: Str,
     },
-    /// `QUIT :<reason>`
+    /// QUIT :<reason>
     Quit {
         reason: Str,
     },

crates/proto-irc/src/lib.rs

@@ -30,15 +30,11 @@ fn token(input: &str) -> IResult<&str, &str> {
     take_while(|i| i != '\n' && i != '\r')(input)
 }
 
-fn params(input: &str) -> IResult<&str, &str> {
-    take_while(|i| i != '\n' && i != '\r' && i != ':')(input)
-}
-
 #[derive(Clone, Debug, PartialEq, Eq)]
 pub enum Chan {
-    /// `#<name>` — network-global channel, available from any server in the network.
+    /// #<name> — network-global channel, available from any server in the network.
     Global(Str),
-    /// `&<name>` — server-local channel, available only to connections to the same server. Rarely used in practice.
+    /// &<name> — server-local channel, available only to connections to the same server. Rarely used in practice.
     Local(Str),
 }
 impl Chan {
@@ -118,7 +114,9 @@ mod test {
         assert_matches!(result, Ok((_, result)) => assert_eq!(expected, result));
 
         let mut bytes = vec![];
-        sync_future(expected.write_async(&mut bytes)).unwrap().unwrap();
+        sync_future(expected.write_async(&mut bytes))
+            .unwrap()
+            .unwrap();
 
         assert_eq!(bytes.as_slice(), input.as_bytes());
     }
@@ -132,7 +130,9 @@ mod test {
         assert_matches!(result, Ok((_, result)) => assert_eq!(expected, result));
 
         let mut bytes = vec![];
-        sync_future(expected.write_async(&mut bytes)).unwrap().unwrap();
+        sync_future(expected.write_async(&mut bytes))
+            .unwrap()
+            .unwrap();
 
         assert_eq!(bytes.as_slice(), input.as_bytes());
     }
@@ -146,7 +146,9 @@ mod test {
         assert_matches!(result, Ok((_, result)) => assert_eq!(expected, result));
 
         let mut bytes = vec![];
-        sync_future(expected.write_async(&mut bytes)).unwrap().unwrap();
+        sync_future(expected.write_async(&mut bytes))
+            .unwrap()
+            .unwrap();
 
         assert_eq!(bytes.as_slice(), input.as_bytes());
     }

crates/proto-irc/src/server.rs

@@ -1,5 +1,3 @@
-use std::sync::Arc;
-
 use nonempty::NonEmpty;
 use tokio::io::AsyncWrite;
 use tokio::io::AsyncWriteExt;
@@ -154,11 +152,7 @@ pub enum ServerMessageBody {
     N903SaslSuccess {
         nick: Str,
         message: Str,
-    },
-    N904SaslFail {
-        nick: Str,
-        text: Str,
-    },
+    }
 }
 
 impl ServerMessageBody {
@@ -273,7 +267,11 @@ impl ServerMessageBody {
                 writer.write_all(b" :").await?;
                 writer.write_all(msg.as_bytes()).await?;
             }
-            ServerMessageBody::N332Topic { client, chat, topic } => {
+            ServerMessageBody::N332Topic {
+                client,
+                chat,
+                topic,
+            } => {
                 writer.write_all(b"332 ").await?;
                 writer.write_all(client.as_bytes()).await?;
                 writer.write_all(b" ").await?;
@@ -311,14 +309,20 @@ impl ServerMessageBody {
                 writer.write_all(b" ").await?;
                 writer.write_all(realname.as_bytes()).await?;
             }
-            ServerMessageBody::N353NamesReply { client, chan, members } => {
+            ServerMessageBody::N353NamesReply {
+                client,
+                chan,
+                members,
+            } => {
                 writer.write_all(b"353 ").await?;
                 writer.write_all(client.as_bytes()).await?;
                 writer.write_all(b" = ").await?;
                 chan.write_async(writer).await?;
                 writer.write_all(b" :").await?;
                 for member in members {
-                    writer.write_all(member.prefix.to_string().as_bytes()).await?;
+                    writer
+                        .write_all(member.prefix.to_string().as_bytes())
+                        .await?;
                     writer.write_all(member.nick.as_bytes()).await?;
                     writer.write_all(b" ").await?;
                 }
@@ -330,7 +334,11 @@ impl ServerMessageBody {
                 chan.write_async(writer).await?;
                 writer.write_all(b" :End of /NAMES list").await?;
             }
-            ServerMessageBody::N474BannedFromChan { client, chan, message } => {
+            ServerMessageBody::N474BannedFromChan {
+                client,
+                chan,
+                message,
+            } => {
                 writer.write_all(b"474 ").await?;
                 writer.write_all(client.as_bytes()).await?;
                 writer.write_all(b" ").await?;
@@ -345,12 +353,7 @@ impl ServerMessageBody {
                 writer.write_all(b" :").await?;
                 writer.write_all(message.as_bytes()).await?;
             }
-            ServerMessageBody::N900LoggedIn {
-                nick,
-                address,
-                account,
-                message,
-            } => {
+            ServerMessageBody::N900LoggedIn { nick, address, account, message } => {
                 writer.write_all(b"900 ").await?;
                 writer.write_all(nick.as_bytes()).await?;
                 writer.write_all(b" ").await?;
@@ -366,13 +369,6 @@ impl ServerMessageBody {
                 writer.write_all(b" :").await?;
                 writer.write_all(message.as_bytes()).await?;
             }
-            ServerMessageBody::N904SaslFail { nick, text } => {
-                writer.write_all(b"904").await?;
-                writer.write_all(b" ").await?;
-                writer.write_all(nick.as_bytes()).await?;
-                writer.write_all(b" :").await?;
-                writer.write_all(text.as_bytes()).await?;
-            }
         }
         Ok(())
     }

crates/proto-xmpp/src/bind.rs

@@ -42,19 +42,27 @@ impl Display for Jid {
 
 impl Jid {
     pub fn from_string(i: &str) -> Result<Jid> {
-        use lazy_static::lazy_static;
         use regex::Regex;
+        use lazy_static::lazy_static;
         lazy_static! {
             static ref RE: Regex = Regex::new(r"^(([a-zA-Z]+)@)?([a-zA-Z.]+)(/([a-zA-Z\-]+))?$").unwrap();
         }
-        let m = RE.captures(i).ok_or(anyhow!("Incorrectly format jid: {i}"))?;
+        let m = RE
+            .captures(i)
+            .ok_or(anyhow!("Incorrectly format jid: {i}"))?;
 
         let name = m.get(2).map(|name| Name(name.as_str().into()));
         let server = m.get(3).unwrap();
         let server = Server(server.as_str().into());
-        let resource = m.get(5).map(|resource| Resource(resource.as_str().into()));
+        let resource = m
+            .get(5)
+            .map(|resource| Resource(resource.as_str().into()));
 
-        Ok(Jid { name, server, resource })
+        Ok(Jid {
+            name,
+            server,
+            resource,
+        })
     }
 }
 
@@ -129,7 +137,9 @@ pub struct BindResponse(pub Jid);
 impl ToXml for BindResponse {
     fn serialize(&self, events: &mut Vec<Event<'static>>) {
         events.extend_from_slice(&[
-            Event::Start(BytesStart::new(r#"bind xmlns="urn:ietf:params:xml:ns:xmpp-bind""#)),
+            Event::Start(BytesStart::new(
+                r#"bind xmlns="urn:ietf:params:xml:ns:xmpp-bind""#,
+            )),
             Event::Start(BytesStart::new(r#"jid"#)),
             Event::Text(BytesText::new(self.0.to_string().as_str()).into_owned()),
             Event::End(BytesEnd::new("jid")),
@@ -146,16 +156,23 @@ mod tests {
 
     #[tokio::test]
     async fn parse_message() {
-        let input = r#"<bind xmlns="urn:ietf:params:xml:ns:xmpp-bind"><resource>mobile</resource></bind>"#;
+        let input =
+            r#"<bind xmlns="urn:ietf:params:xml:ns:xmpp-bind"><resource>mobile</resource></bind>"#;
         let mut reader = NsReader::from_reader(input.as_bytes());
         let mut buf = vec![];
-        let (ns, event) = reader.read_resolved_event_into_async(&mut buf).await.unwrap();
+        let (ns, event) = reader
+            .read_resolved_event_into_async(&mut buf)
+            .await
+            .unwrap();
         let mut parser = BindRequest::parse().consume(ns, &event);
         let result = loop {
             match parser {
                 Continuation::Final(res) => break res,
                 Continuation::Continue(next) => {
-                    let (ns, event) = reader.read_resolved_event_into_async(&mut buf).await.unwrap();
+                    let (ns, event) = reader
+                        .read_resolved_event_into_async(&mut buf)
+                        .await
+                        .unwrap();
                     parser = next.consume(ns, &event);
                 }
             }

crates/proto-xmpp/src/disco.rs

@@ -2,8 +2,8 @@ use quick_xml::events::attributes::Attribute;
 use quick_xml::events::{BytesEnd, BytesStart, Event};
 use quick_xml::name::{QName, ResolveResult};
 
+use anyhow::{Result, anyhow as ffail};
 use crate::xml::*;
-use anyhow::{anyhow as ffail, Result};
 
 use super::bind::Jid;
 
@@ -174,7 +174,11 @@ impl FromXml for Identity {
             let Some(r#type) = r#type else {
                 return Err(ffail!("No type provided"));
             };
-            let item = Identity { category, name, r#type };
+            let item = Identity {
+                category,
+                name,
+                r#type,
+            };
             if end {
                 return Ok(item);
             }

crates/proto-xmpp/src/lib.rs

@@ -1,16 +1,21 @@
-#![feature(coroutines, coroutine_trait, type_alias_impl_trait, impl_trait_in_assoc_type)]
+#![feature(
+    coroutines,
+    coroutine_trait,
+    type_alias_impl_trait,
+    impl_trait_in_assoc_type
+)]
 
 pub mod bind;
 pub mod client;
 pub mod disco;
 pub mod muc;
-mod prelude;
 pub mod roster;
 pub mod sasl;
 pub mod session;
 pub mod stanzaerror;
 pub mod stream;
 pub mod tls;
+mod prelude;
 pub mod xml;
 
 // Implemented as a macro instead of a fn due to borrowck limitations

crates/proto-xmpp/src/roster.rs

@@ -52,6 +52,9 @@ impl FromXmlTag for RosterQuery {
 
 impl ToXml for RosterQuery {
     fn serialize(&self, events: &mut Vec<Event<'static>>) {
-        events.push(Event::Empty(BytesStart::new(format!(r#"query xmlns="{}""#, XMLNS))));
+        events.push(Event::Empty(BytesStart::new(format!(
+            r#"query xmlns="{}""#,
+            XMLNS
+        ))));
     }
 }

crates/proto-xmpp/src/session.rs

@@ -25,7 +25,9 @@ impl Parser for SessionParser {
     ) -> Continuation<Self, Self::Output> {
         match self.0 {
             SessionParserInner::Initial => match event {
-                Event::Start(_) => Continuation::Continue(SessionParser(SessionParserInner::InSession)),
+                Event::Start(_) => {
+                    Continuation::Continue(SessionParser(SessionParserInner::InSession))
+                }
                 Event::Empty(_) => Continuation::Final(Ok(Session)),
                 _ => Continuation::Final(Err(anyhow!("Unexpected XML event: {event:?}"))),
             },
@@ -52,6 +54,9 @@ impl FromXmlTag for Session {
 
 impl ToXml for Session {
     fn serialize(&self, events: &mut Vec<Event<'static>>) {
-        events.push(Event::Empty(BytesStart::new(format!(r#"session xmlns="{}""#, XMLNS))));
+        events.push(Event::Empty(BytesStart::new(format!(
+            r#"session xmlns="{}""#,
+            XMLNS
+        ))));
     }
 }

crates/proto-xmpp/src/stream.rs

@@ -6,8 +6,8 @@ use tokio::io::{AsyncBufRead, AsyncWrite};
 
 use super::skip_text;
 
-use crate::xml::ToXml;
 use anyhow::{anyhow, Result};
+use crate::xml::ToXml;
 
 pub static XMLNS: &'static str = "http://etherx.jabber.org/streams";
 pub static PREFIX: &'static str = "stream";
@@ -44,7 +44,10 @@ impl ClientStreamStart {
                         let value = attr.unescape_value()?;
                         to = Some(value.to_string());
                     }
-                    (ResolveResult::Bound(Namespace(b"http://www.w3.org/XML/1998/namespace")), b"lang") => {
+                    (
+                        ResolveResult::Bound(Namespace(b"http://www.w3.org/XML/1998/namespace")),
+                        b"lang",
+                    ) => {
                         let value = attr.unescape_value()?;
                         lang = Some(value.to_string());
                     }
@@ -121,15 +124,21 @@ pub struct Features {
 }
 impl Features {
     pub async fn write_xml(&self, writer: &mut Writer<impl AsyncWrite + Unpin>) -> Result<()> {
-        writer.write_event_async(Event::Start(BytesStart::new("stream:features"))).await?;
+        writer
+            .write_event_async(Event::Start(BytesStart::new("stream:features")))
+            .await?;
         if self.start_tls {
             writer
                 .write_event_async(Event::Start(BytesStart::new(
                     r#"starttls  xmlns="urn:ietf:params:xml:ns:xmpp-tls""#,
                 )))
                 .await?;
-            writer.write_event_async(Event::Empty(BytesStart::new("required"))).await?;
-            writer.write_event_async(Event::End(BytesEnd::new("starttls"))).await?;
+            writer
+                .write_event_async(Event::Empty(BytesStart::new("required")))
+                .await?;
+            writer
+                .write_event_async(Event::End(BytesEnd::new("starttls")))
+                .await?;
         }
         if self.mechanisms {
             writer
@@ -137,10 +146,18 @@ impl Features {
                     r#"mechanisms xmlns="urn:ietf:params:xml:ns:xmpp-sasl""#,
                 )))
                 .await?;
-            writer.write_event_async(Event::Start(BytesStart::new(r#"mechanism"#))).await?;
-            writer.write_event_async(Event::Text(BytesText::new("PLAIN"))).await?;
-            writer.write_event_async(Event::End(BytesEnd::new("mechanism"))).await?;
-            writer.write_event_async(Event::End(BytesEnd::new("mechanisms"))).await?;
+            writer
+                .write_event_async(Event::Start(BytesStart::new(r#"mechanism"#)))
+                .await?;
+            writer
+                .write_event_async(Event::Text(BytesText::new("PLAIN")))
+                .await?;
+            writer
+                .write_event_async(Event::End(BytesEnd::new("mechanism")))
+                .await?;
+            writer
+                .write_event_async(Event::End(BytesEnd::new("mechanisms")))
+                .await?;
         }
         if self.bind {
             writer
@@ -149,7 +166,9 @@ impl Features {
                 )))
                 .await?;
         }
-        writer.write_event_async(Event::End(BytesEnd::new("stream:features"))).await?;
+        writer
+            .write_event_async(Event::End(BytesEnd::new("stream:features")))
+            .await?;
         Ok(())
     }
 }
@@ -163,7 +182,9 @@ mod test {
         let input = r###"<stream:stream xmlns:stream="http://etherx.jabber.org/streams" to="vlnv.dev" version="1.0" xmlns="jabber:client" xml:lang="en" xmlns:xml="http://www.w3.org/XML/1998/namespace">"###;
         let mut reader = NsReader::from_reader(input.as_bytes());
         let mut buf = vec![];
-        let res = ClientStreamStart::parse(&mut reader, &mut buf).await.unwrap();
+        let res = ClientStreamStart::parse(&mut reader, &mut buf)
+            .await
+            .unwrap();
         assert_eq!(
             res,
             ClientStreamStart {

crates/proto-xmpp/src/tls.rs

@@ -12,7 +12,10 @@ pub static XMLNS: &'static str = "urn:ietf:params:xml:ns:xmpp-tls";
 
 pub struct StartTLS;
 impl StartTLS {
-    pub async fn parse(reader: &mut NsReader<impl AsyncBufRead + Unpin>, buf: &mut Vec<u8>) -> Result<StartTLS> {
+    pub async fn parse(
+        reader: &mut NsReader<impl AsyncBufRead + Unpin>,
+        buf: &mut Vec<u8>,
+    ) -> Result<StartTLS> {
         let incoming = skip_text!(reader, buf);
         if let Event::Empty(ref e) = incoming {
             if e.name().0 == b"starttls" {

crates/proto-xmpp/src/xml/ignore.rs

@@ -15,7 +15,11 @@ enum IgnoreParserInner {
 impl Parser for IgnoreParser {
     type Output = Result<Ignore>;
 
-    fn consume<'a>(self: Self, _: ResolveResult, event: &Event<'a>) -> Continuation<Self, Self::Output> {
+    fn consume<'a>(
+        self: Self,
+        _: ResolveResult,
+        event: &Event<'a>,
+    ) -> Continuation<Self, Self::Output> {
         match self.0 {
             IgnoreParserInner::Initial => match event {
                 Event::Start(bytes) => {
@@ -30,7 +34,13 @@ impl Parser for IgnoreParser {
                     if depth == 0 {
                         Continuation::Final(Ok(Ignore))
                     } else {
-                        Continuation::Continue(IgnoreParserInner::InTag { name, depth: depth - 1 }.into())
+                        Continuation::Continue(
+                            IgnoreParserInner::InTag {
+                                name,
+                                depth: depth - 1,
+                            }
+                            .into(),
+                        )
                     }
                 }
                 _ => Continuation::Continue(IgnoreParserInner::InTag { name, depth }.into()),

crates/proto-xmpp/src/xml/mod.rs

@@ -1,9 +1,9 @@
 use std::ops::Coroutine;
 use std::pin::Pin;
 
+use quick_xml::NsReader;
 use quick_xml::events::Event;
 use quick_xml::name::ResolveResult;
-use quick_xml::NsReader;
 
 use anyhow::Result;
 
@@ -28,16 +28,25 @@ pub trait FromXmlTag: FromXml {
 pub trait Parser: Sized {
     type Output;
 
-    fn consume<'a>(self: Self, namespace: ResolveResult, event: &Event<'a>) -> Continuation<Self, Self::Output>;
+    fn consume<'a>(
+        self: Self,
+        namespace: ResolveResult,
+        event: &Event<'a>,
+    ) -> Continuation<Self, Self::Output>;
 }
 
 impl<T, Out> Parser for T
 where
-    T: Coroutine<(ResolveResult<'static>, &'static Event<'static>), Yield = (), Return = Out> + Unpin,
+    T: Coroutine<(ResolveResult<'static>, &'static Event<'static>), Yield = (), Return = Out>
+        + Unpin,
 {
     type Output = Out;
 
-    fn consume<'a>(mut self: Self, namespace: ResolveResult, event: &Event<'a>) -> Continuation<Self, Self::Output> {
+    fn consume<'a>(
+        mut self: Self,
+        namespace: ResolveResult,
+        event: &Event<'a>,
+    ) -> Continuation<Self, Self::Output> {
         let s = Pin::new(&mut self);
         // this is a very rude workaround fixing the fact that rust coroutines
         // 1. don't support higher-kinded lifetimes (i.e. no `impl for <'a> Coroutine<Event<'a>>)

readme.md

@@ -2,9 +2,9 @@
 
 Multiprotocol chat server based on open protocols.
 
-- [How to run Lavina locally](docs/running.md)
-- [Architectural diagrams](docs/flow.md)
-- [Project structure](crates/readme.md)
+- [How to run Lavina locally](/docs/running.md)
+- [Architectural diagrams](/docs/flow.md)
+- [Project structure](crates)
 
 ## Goals
 

rust-toolchain

@@ -1 +1 @@
-nightly-2024-03-20
+nightly-2023-12-07

rustfmt.toml

@@ -1,2 +1 @@
 max_width = 120
-chain_width = 120

src/main.rs

@@ -62,14 +62,7 @@ async fn main() -> Result<()> {
         storage.clone(),
     )
     .await?;
-    let xmpp = projection_xmpp::launch(
-        xmpp_config,
-        players.clone(),
-        rooms.clone(),
-        metrics.clone(),
-        storage.clone(),
-    )
-    .await?;
+    let xmpp = projection_xmpp::launch(xmpp_config, players.clone(), rooms.clone(), metrics.clone(), storage.clone()).await?;
     tracing::info!("Started");
 
     sleep.await;