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use std::{
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collections::HashMap,
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net::SocketAddr,
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sync::{
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atomic::{AtomicBool, Ordering},
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Arc,
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},
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};
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use anyhow::Error;
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use futures_util::{SinkExt, StreamExt};
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use giterated_models::{
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messages::error::ConnectionError,
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model::{
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authenticated::{Authenticated, AuthenticatedPayload},
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instance::Instance,
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},
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};
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use rsa::RsaPublicKey;
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use serde::Serialize;
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use serde_json::Value;
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use tokio::{
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net::TcpStream,
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sync::{Mutex, RwLock},
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};
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use tokio_tungstenite::{tungstenite::Message, WebSocketStream};
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use crate::{
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authentication::AuthenticationTokenGranter,
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backend::{RepositoryBackend, UserBackend},
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connection::forwarded::wrap_forwarded,
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federation::connections::InstanceConnections,
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message::NetworkMessage,
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};
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use super::{
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authentication::authentication_handle, handshake::handshake_handle,
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repository::repository_handle, user::user_handle, Connections,
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};
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pub async fn connection_wrapper(
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socket: WebSocketStream<TcpStream>,
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connections: Arc<Mutex<Connections>>,
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repository_backend: Arc<Mutex<dyn RepositoryBackend + Send>>,
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user_backend: Arc<Mutex<dyn UserBackend + Send>>,
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auth_granter: Arc<Mutex<AuthenticationTokenGranter>>,
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addr: SocketAddr,
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instance: impl ToOwned<Owned = Instance>,
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instance_connections: Arc<Mutex<InstanceConnections>>,
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) {
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let connection_state = ConnectionState {
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socket: Arc::new(Mutex::new(socket)),
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connections,
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repository_backend,
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user_backend,
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auth_granter,
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addr,
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instance: instance.to_owned(),
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handshaked: Arc::new(AtomicBool::new(false)),
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cached_keys: Arc::default(),
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};
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let mut handshaked = false;
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loop {
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let mut socket = connection_state.socket.lock().await;
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let message = socket.next().await;
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drop(socket);
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match message {
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Some(Ok(message)) => {
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let payload = match message {
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Message::Binary(payload) => payload,
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Message::Ping(_) => {
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let mut socket = connection_state.socket.lock().await;
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let _ = socket.send(Message::Pong(vec![])).await;
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drop(socket);
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continue;
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}
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Message::Close(_) => return,
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_ => continue,
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};
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info!(
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"Received payload: {}",
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std::str::from_utf8(&payload).unwrap()
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);
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let message = NetworkMessage(payload.clone());
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if !handshaked {
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info!("im foo baring");
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if handshake_handle(&message, &connection_state).await.is_ok() {
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if connection_state.handshaked.load(Ordering::SeqCst) {
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handshaked = true;
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}
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}
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} else {
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let raw = serde_json::from_slice::<AuthenticatedPayload>(&payload).unwrap();
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if let Some(target_instance) = &raw.target_instance {
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info!("Forwarding message to {}", target_instance.url);
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let mut instance_connections = instance_connections.lock().await;
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let pool = instance_connections.get_or_open(&target_instance).unwrap();
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let pool_clone = pool.clone();
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drop(pool);
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let result = wrap_forwarded(&pool_clone, raw).await;
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let mut socket = connection_state.socket.lock().await;
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let _ = socket.send(result).await;
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continue;
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}
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let message_type = &raw.message_type;
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info!("Handling message with type: {}", message_type);
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match authentication_handle(message_type, &message, &connection_state).await {
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Err(e) => {
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let _ = connection_state
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.send_raw(ConnectionError(e.to_string()))
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.await;
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}
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Ok(true) => continue,
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Ok(false) => {}
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}
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match repository_handle(message_type, &message, &connection_state).await {
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Err(e) => {
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let _ = connection_state
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.send_raw(ConnectionError(e.to_string()))
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.await;
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}
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Ok(true) => continue,
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Ok(false) => {}
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}
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match user_handle(message_type, &message, &connection_state).await {
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Err(e) => {
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let _ = connection_state
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.send_raw(ConnectionError(e.to_string()))
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.await;
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}
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Ok(true) => continue,
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Ok(false) => {}
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}
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match authentication_handle(message_type, &message, &connection_state).await {
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Err(e) => {
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let _ = connection_state
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.send_raw(ConnectionError(e.to_string()))
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.await;
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}
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Ok(true) => continue,
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Ok(false) => {}
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}
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error!(
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"Message completely unhandled: {}",
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std::str::from_utf8(&payload).unwrap()
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);
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}
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}
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Some(Err(e)) => {
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error!("Closing connection for {:?} for {}", e, addr);
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return;
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}
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_ => {
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info!("Unhandled");
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continue;
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}
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}
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}
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}
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#[derive(Clone)]
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pub struct ConnectionState {
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socket: Arc<Mutex<WebSocketStream<TcpStream>>>,
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pub connections: Arc<Mutex<Connections>>,
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pub repository_backend: Arc<Mutex<dyn RepositoryBackend + Send>>,
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pub user_backend: Arc<Mutex<dyn UserBackend + Send>>,
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pub auth_granter: Arc<Mutex<AuthenticationTokenGranter>>,
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pub addr: SocketAddr,
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pub instance: Instance,
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pub handshaked: Arc<AtomicBool>,
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pub cached_keys: Arc<RwLock<HashMap<Instance, RsaPublicKey>>>,
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| 190 |
}
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| 192 |
impl ConnectionState {
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pub async fn send<T: Serialize>(&self, message: T) -> Result<(), Error> {
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let payload = serde_json::to_string(&message)?;
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info!("Sending payload: {}", &payload);
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| 196 |
self.socket
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| 197 |
.lock()
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.await
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| 199 |
.send(Message::Binary(payload.into_bytes()))
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| 200 |
.await?;
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Ok(())
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}
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| 205 |
pub async fn send_raw<T: Serialize>(&self, message: T) -> Result<(), Error> {
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| 206 |
let payload = serde_json::to_string(&message)?;
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| 207 |
info!("Sending payload: {}", &payload);
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| 208 |
self.socket
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| 209 |
.lock()
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.await
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| 211 |
.send(Message::Binary(payload.into_bytes()))
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| 212 |
.await?;
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| 213 |
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Ok(())
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}
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}
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|