[xmpp] logopass auth

Cargo.lock

@@ -754,6 +754,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "assert_matches",
+ "base64",
  "derive_more",
  "figment",
  "futures-util",

Cargo.toml

@@ -25,6 +25,7 @@ quick-xml = { version = "0.30.0", features = ["async-tokio"] }
 derive_more = "0.99.17"
 uuid = { version = "1.3.0", features = ["v4"] }
 sqlx = { version = "0.7.0-alpha.2", features = ["sqlite", "runtime-tokio-rustls", "migrate"] }
+base64 = "0.21.3"
 
 [dev-dependencies]
 assert_matches = "1.5.0"

src/main.rs

@@ -58,7 +58,7 @@ async fn main() -> Result<()> {
     let telemetry_terminator =
         util::telemetry::launch(telemetry_config, metrics.clone(), rooms.clone()).await?;
     let irc = projections::irc::launch(irc_config, players.clone(), rooms.clone(), metrics.clone(), storage.clone()).await?;
-    let xmpp = projections::xmpp::launch(xmpp_config, players.clone(), rooms.clone(), metrics.clone()).await?;
+    let xmpp = projections::xmpp::launch(xmpp_config, players.clone(), rooms.clone(), metrics.clone(), storage.clone()).await?;
     tracing::info!("Started");
 
     sleep.await;

src/projections/xmpp/mod.rs

@@ -20,6 +20,7 @@ use tokio_rustls::rustls::{Certificate, PrivateKey};
 use tokio_rustls::TlsAcceptor;
 
 use crate::core::player::{PlayerConnection, PlayerId, PlayerRegistry};
+use crate::core::repo::Storage;
 use crate::core::room::{RoomId, RoomRegistry};
 use crate::prelude::*;
 use crate::protos::xmpp;
@@ -27,6 +28,7 @@ use crate::protos::xmpp::bind::{BindResponse, Jid, Name, Resource, Server};
 use crate::protos::xmpp::client::{Iq, Message, MessageType, Presence};
 use crate::protos::xmpp::disco::*;
 use crate::protos::xmpp::roster::RosterQuery;
+use crate::protos::xmpp::sasl::AuthBody;
 use crate::protos::xmpp::session::Session;
 use crate::protos::xmpp::stream::*;
 use crate::util::xml::{Continuation, FromXml, Parser, ToXml};
@@ -58,6 +60,7 @@ pub async fn launch(
     players: PlayerRegistry,
     rooms: RoomRegistry,
     metrics: MetricsRegistry,
+    storage: Storage,
 ) -> Result<Terminator> {
     log::info!("Starting XMPP projection");
 
@@ -97,11 +100,12 @@ pub async fn launch(
                             }
                             let players = players.clone();
                             let rooms = rooms.clone();
+                            let storage = storage.clone();
                             let terminator = Terminator::spawn(|termination| {
                                 let stopped_tx = stopped_tx.clone();
                                 let loaded_config = loaded_config.clone();
                                 async move {
-                                    match handle_socket(loaded_config, stream, &socket_addr, players, rooms, termination).await {
+                                    match handle_socket(loaded_config, stream, &socket_addr, players, rooms, storage, termination).await {
                                         Ok(_) => log::info!("Connection terminated"),
                                         Err(err) => log::warn!("Connection failed: {err}"),
                                     }
@@ -147,6 +151,7 @@ async fn handle_socket(
     socket_addr: &SocketAddr,
     mut players: PlayerRegistry,
     rooms: RoomRegistry,
+    storage: Storage,
     termination: Deferred<()>, // TODO use it to stop the connection gracefully
 ) -> Result<()> {
     log::debug!("Received an XMPP connection from {socket_addr}");
@@ -171,7 +176,8 @@ async fn handle_socket(
     let mut xml_reader = NsReader::from_reader(BufReader::new(a));
     let mut xml_writer = Writer::new(b);
 
-    let authenticated = socket_auth(&mut xml_reader, &mut xml_writer, &mut reader_buf).await?;
+    let mut storage = storage.clone();
+    let authenticated = socket_auth(&mut xml_reader, &mut xml_writer, &mut reader_buf, &mut storage).await?;
     let mut connection = players
         .connect_to_player(authenticated.player_id.clone())
         .await;
@@ -229,6 +235,7 @@ async fn socket_auth(
     xml_reader: &mut NsReader<(impl AsyncBufRead + Unpin)>,
     xml_writer: &mut Writer<(impl AsyncWrite + Unpin)>,
     reader_buf: &mut Vec<u8>,
+    storage: &mut Storage,
 ) -> Result<Authenticated> {
     read_xml_header(xml_reader, reader_buf).await?;
     let _ = ClientStreamStart::parse(xml_reader, reader_buf).await?;
@@ -253,17 +260,42 @@ async fn socket_auth(
         .await?;
     xml_writer.get_mut().flush().await?;
 
-    let _ = xmpp::sasl::Auth::parse(xml_reader, reader_buf).await?;
+    let auth: xmpp::sasl::Auth = xmpp::sasl::Auth::parse(xml_reader, reader_buf).await?;
     xmpp::sasl::Success.write_xml(xml_writer).await?;
 
-    let name: Str = "darova".into();
+    let auth_body = AuthBody::from_str(auth.body);
+
+    match auth_body {
+        Ok(logopass) => {
+            let name = &logopass.login;
+            let stored_user = storage.retrieve_user_by_name(name).await?;
+
+            let stored_user = match stored_user {
+                Some(u) => u,
+                None => {
+                    log::info!("User '{}' not found", name);
+                    return Err(fail("no user found"));
+                }
+            };
+            if stored_user.password.is_none() {
+                log::info!("Password not defined for user '{}'", name);
+                return Err(fail("password is not defined"));
+            }
+            if stored_user.password.as_deref() != Some(&logopass.password) {
+                log::info!("Incorrect password supplied for user '{}'", name);
+                return Err(fail("passwords do not match"));
+            }
+
             Ok(Authenticated {
                 player_id: PlayerId::from("darova")?,
-        xmpp_name: Name(name.clone()),
-        xmpp_resource: Resource(name.clone()),
-        xmpp_muc_name: Resource(name),
+                xmpp_name: Name(name.to_string().into()),
+                xmpp_resource: Resource(name.to_string().into()),
+                xmpp_muc_name: Resource(name.to_string().into()),
             })
         }
+        Err(e) => Err(e)
+    }
+}
 
 async fn socket_final(
     xml_reader: &mut NsReader<(impl AsyncBufRead + Unpin)>,

src/protos/xmpp/sasl.rs

@@ -12,6 +12,7 @@ use crate::prelude::*;
 pub enum Mechanism {
     Plain,
 }
+
 impl Mechanism {
     pub fn to_str(&self) -> &'static str {
         match self {
@@ -27,10 +28,30 @@ impl Mechanism {
     }
 }
 
+pub struct AuthBody {
+    pub login: String,
+    pub password: String,
+}
+
+use base64::{Engine as _, engine::general_purpose};
+
+impl AuthBody {
+    pub fn from_str(input: Vec<u8>) -> Result<AuthBody> {
+        let decoded_body = general_purpose::STANDARD.decode(input).unwrap();
+        let parsed_to_string = String::from_utf8(decoded_body).unwrap();
+        let separated_words: Vec<&str> = parsed_to_string.split("\x00").filter(|&part| !part.is_empty()).collect::<Vec<_>>().clone();
+        if &separated_words.len() == &2_usize {
+            Ok(AuthBody { login: separated_words[0].to_string(), password: separated_words[1].to_string() })
+        } else { Err(fail("Incorrect auth format")) }
+    }
+}
+
+
 pub struct Auth {
     pub mechanism: Mechanism,
     pub body: Vec<u8>,
 }
+
 impl Auth {
     pub async fn parse(
         reader: &mut NsReader<impl AsyncBufRead + Unpin>,
@@ -69,6 +90,7 @@ impl Auth {
 }
 
 pub struct Success;
+
 impl Success {
     pub async fn write_xml(&self, writer: &mut Writer<impl AsyncWrite + Unpin>) -> Result<()> {
         let event = BytesStart::new(r#"success xmlns="urn:ietf:params:xml:ns:xmpp-sasl""#);