From 353eda21ac8280213edcec3823cc3bd77fe17c44 Mon Sep 17 00:00:00 2001
From: mat <git@matdoes.dev>
Date: Sat, 20 Apr 2024 03:40:59 +0000
Subject: socks5 support (#113)

---
 azalea-client/src/client.rs | 11 +++++++++--
 azalea-client/src/ping.rs   | 29 +++++++++++++++++++++++++----
 2 files changed, 34 insertions(+), 6 deletions(-)

(limited to 'azalea-client/src')

diff --git a/azalea-client/src/client.rs b/azalea-client/src/client.rs
index af535415..8ca0bbef 100644
--- a/azalea-client/src/client.rs
+++ b/azalea-client/src/client.rs
@@ -34,7 +34,7 @@ use azalea_entity::{
 };
 use azalea_physics::PhysicsPlugin;
 use azalea_protocol::{
-    connect::{Connection, ConnectionError},
+    connect::{Connection, ConnectionError, Proxy},
     packets::{
         configuration::{
             serverbound_client_information_packet::ClientInformation,
@@ -183,6 +183,7 @@ impl Client {
     pub async fn join(
         account: &Account,
         address: impl TryInto<ServerAddress>,
+        proxy: Option<Proxy>,
     ) -> Result<(Self, mpsc::UnboundedReceiver<Event>), JoinError> {
         let address: ServerAddress = address.try_into().map_err(|_| JoinError::InvalidAddress)?;
         let resolved_address = resolver::resolve_address(&address).await?;
@@ -200,6 +201,7 @@ impl Client {
             account,
             &address,
             &resolved_address,
+            proxy,
             run_schedule_sender,
         )
         .await
@@ -212,6 +214,7 @@ impl Client {
         account: &Account,
         address: &ServerAddress,
         resolved_address: &SocketAddr,
+        proxy: Option<Proxy>,
         run_schedule_sender: mpsc::UnboundedSender<()>,
     ) -> Result<(Self, mpsc::UnboundedReceiver<Event>), JoinError> {
         // check if an entity with our uuid already exists in the ecs and if so then
@@ -239,7 +242,11 @@ impl Client {
             entity
         };
 
-        let conn = Connection::new(resolved_address).await?;
+        let conn = if let Some(proxy) = proxy {
+            Connection::new_with_proxy(resolved_address, proxy).await?
+        } else {
+            Connection::new(resolved_address).await?
+        };
         let (conn, game_profile) =
             Self::handshake(ecs_lock.clone(), entity, conn, account, address).await?;
 
diff --git a/azalea-client/src/ping.rs b/azalea-client/src/ping.rs
index 9064065c..c74a62be 100755
--- a/azalea-client/src/ping.rs
+++ b/azalea-client/src/ping.rs
@@ -1,9 +1,12 @@
 //! Ping Minecraft servers.
 
 use azalea_protocol::{
-    connect::{Connection, ConnectionError},
+    connect::{Connection, ConnectionError, Proxy},
     packets::{
-        handshaking::client_intention_packet::ClientIntentionPacket,
+        handshaking::{
+            client_intention_packet::ClientIntentionPacket, ClientboundHandshakePacket,
+            ServerboundHandshakePacket,
+        },
         status::{
             clientbound_status_response_packet::ClientboundStatusResponsePacket,
             serverbound_status_request_packet::ServerboundStatusRequestPacket,
@@ -47,11 +50,29 @@ pub async fn ping_server(
     address: impl TryInto<ServerAddress>,
 ) -> Result<ClientboundStatusResponsePacket, PingError> {
     let address: ServerAddress = address.try_into().map_err(|_| PingError::InvalidAddress)?;
-
     let resolved_address = resolver::resolve_address(&address).await?;
+    let conn = Connection::new(&resolved_address).await?;
+    ping_server_with_connection(address, conn).await
+}
 
-    let mut conn = Connection::new(&resolved_address).await?;
+/// Ping a Minecraft server through a Socks5 proxy.
+pub async fn ping_server_with_proxy(
+    address: impl TryInto<ServerAddress>,
+    proxy: Proxy,
+) -> Result<ClientboundStatusResponsePacket, PingError> {
+    let address: ServerAddress = address.try_into().map_err(|_| PingError::InvalidAddress)?;
+    let resolved_address = resolver::resolve_address(&address).await?;
+    let conn = Connection::new_with_proxy(&resolved_address, proxy).await?;
+    ping_server_with_connection(address, conn).await
+}
 
+/// Ping a Minecraft server after we've already created a [`Connection`]. The
+/// `Connection` must still be in the handshake state (which is the state it's
+/// in immediately after it's created).
+pub async fn ping_server_with_connection(
+    address: ServerAddress,
+    mut conn: Connection<ClientboundHandshakePacket, ServerboundHandshakePacket>,
+) -> Result<ClientboundStatusResponsePacket, PingError> {
     // send the client intention packet and switch to the status state
     conn.write(
         ClientIntentionPacket {
-- 
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