From c4f33b3576e3a4a7f70b3d681fadae45f73ae31e Mon Sep 17 00:00:00 2001
From: Tom van der Lee <tom@vanderlee.io>
Date: Wed, 10 Jun 2026 08:31:30 +0200
Subject: Added support for multiple domains within one session

---
 ttun_server/endpoints.py  |  4 ++--
 ttun_server/websockets.py | 52 +++++++++++++++++++++++++++++------------------
 2 files changed, 34 insertions(+), 22 deletions(-)

diff --git a/ttun_server/endpoints.py b/ttun_server/endpoints.py
index eae0ebe..fa5e7e7 100644
--- a/ttun_server/endpoints.py
+++ b/ttun_server/endpoints.py
@@ -7,7 +7,7 @@ from starlette.requests import Request
 from starlette.responses import Response
 
 from ttun_server.proxy_queue import ProxyQueue
-from ttun_server.types import HttpRequestData, Message, HttpMessageType, HttpMessage
+from ttun_server.types import HttpRequestData, HttpMessageType, HttpMessage
 
 logger = logging.getLogger(__name__)
 
@@ -29,7 +29,7 @@ class Proxy(HTTPEndpoint):
         response = Response(content='Not Found', status_code=404)
 
         identifier = str(uuid4())
-        response_queue = await ProxyQueue.create_for_identifier(f'{subdomain}_{identifier}')
+        response_queue = await ProxyQueue.create_for_identifier(identifier)
 
         try:
 
diff --git a/ttun_server/websockets.py b/ttun_server/websockets.py
index f80359f..e828b8d 100644
--- a/ttun_server/websockets.py
+++ b/ttun_server/websockets.py
@@ -40,7 +40,7 @@ class WebsocketProxy(WebSocketEndpoint):
             await request_queue.enqueue(message)
 
             if expect_ack:
-                response_queue = await ProxyQueue.create_for_identifier(f'{subdomain}_{message["identifier"]}')
+                response_queue = await ProxyQueue.create_for_identifier(message["identifier"])
                 yield await response_queue.dequeue()
                 await response_queue.delete()
             else:
@@ -49,10 +49,7 @@ class WebsocketProxy(WebSocketEndpoint):
             yield None
 
     async def listen_for_messages(self, websocket: WebSocket):
-        [subdomain, *_] = websocket.url.hostname.split('.')
-
-        print('listen', self.id)
-        response_queue = await ProxyQueue.create_for_identifier(f'{subdomain}_{self.id}')
+        response_queue = await ProxyQueue.create_for_identifier(self.id)
 
         while True:
             message: WebsocketMessage = await response_queue.dequeue()
@@ -122,12 +119,14 @@ class Tunnel(WebSocketEndpoint):
 
     def __init__(self, scope: Scope, receive: Receive, send: Send):
         super().__init__(scope, receive, send)
-        self.request_task = None
+        self.request_tasks: dict[str, asyncio.Task] = {}
         self.config: Optional[Config] = None
+        self.proxy_queues: dict[str, ProxyQueue] = {}
+
+    async def handle_requests(self, websocket: WebSocket, subdomain: str):
+        while request := await self.proxy_queues[subdomain].dequeue():
+            task = asyncio.create_task(websocket.send_json(request), name=request['identifier'])
 
-    async def handle_requests(self, websocket: WebSocket):
-        while request := await self.proxy_queue.dequeue():
-            create_task(websocket.send_json(request))
 
     async def on_connect(self, websocket: WebSocket) -> None:
         await websocket.accept()
@@ -146,32 +145,45 @@ class Tunnel(WebSocketEndpoint):
             if client_major > server_major:
                 await websocket.close(4001, 'Your client is too new')
 
+        if 'subdomains' not in self.config:
+            self.config['subdomains'] = [self.config['subdomain']]
+        elif self.config['subdomains'] is None:
+            self.config['subdomains'] = [None]
 
-        if self.config['subdomain'] is None \
-                or await ProxyQueue.has_connection(self.config['subdomain']):
-            self.config['subdomain'] = uuid4().hex
+        for i, subdomain in enumerate(self.config['subdomains']):
+            if subdomain is None or await ProxyQueue.has_connection(subdomain):
+                self.config['subdomains'][i] = uuid4().hex
 
-
-        self.proxy_queue = await ProxyQueue.create_for_identifier(self.config['subdomain'])
+        for subdomain in self.config['subdomains']:
+            self.proxy_queues[subdomain] = await ProxyQueue.create_for_identifier(subdomain)
 
         hostname = os.environ.get("TUNNEL_DOMAIN")
         protocol = "https" if os.environ.get("SECURE", False) else "http"
 
+        urls = [
+            f'{protocol}://{subdomain}.{hostname}'
+            for subdomain in self.config['subdomains']
+        ]
+
         await websocket.send_json({
-            'url': f'{protocol}://{self.config["subdomain"]}.{hostname}'
+            'url': urls[0],
+            'urls': urls,
         })
 
-        self.request_task = asyncio.create_task(self.handle_requests(websocket))
+        for subdomain in self.config['subdomains']:
+            self.request_tasks[subdomain] = asyncio.create_task(self.handle_requests(websocket, subdomain), name=subdomain)
 
     async def on_receive(self, websocket: WebSocket, data: Message):
         try:
-            response_queue = await ProxyQueue.get_for_identifier(f"{self.config['subdomain']}_{data['identifier']}")
+            data['type'] = MessageType(data['type']).value
+            response_queue = await ProxyQueue.get_for_identifier(data['identifier'])
             await response_queue.enqueue(data)
         except AssertionError:
             pass
 
     async def on_disconnect(self, websocket: WebSocket, close_code: int):
-        await self.proxy_queue.delete()
+        for proxy_queue in self.proxy_queues.values():
+            await proxy_queue.delete()
 
-        if self.request_task is not None:
-            self.request_task.cancel()
+        for request_task in self.request_tasks.values():
+            request_task.cancel()
-- 
cgit v1.2.3