Files
remnawave-bedolaga-telegram…/app/webapi/routes/websocket.py

118 lines
4.6 KiB
Python
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

from __future__ import annotations
import json
import logging
from typing import Any
from fastapi import APIRouter, Security, WebSocket, WebSocketDisconnect
from fastapi.security import APIKeyHeader
from app.services.event_emitter import event_emitter
from app.services.web_api_token_service import web_api_token_service
from app.database.database import AsyncSessionLocal
logger = logging.getLogger(__name__)
router = APIRouter()
api_key_header_scheme = APIKeyHeader(name="X-API-Key", auto_error=False)
async def verify_websocket_token(
websocket: WebSocket,
token: str | None = None,
) -> bool:
"""Проверить токен для WebSocket подключения."""
if not token:
# Пытаемся получить токен из query параметров
token = websocket.query_params.get("token") or websocket.query_params.get("api_key")
if not token:
return False
async with AsyncSessionLocal() as db:
try:
webhook_token = await web_api_token_service.authenticate(
db,
token,
remote_ip=websocket.client.host if websocket.client else None,
)
if webhook_token:
logger.debug("WebSocket token authenticated successfully")
else:
logger.warning("WebSocket token authentication failed: token not found or invalid")
return webhook_token is not None
except Exception as error:
logger.warning("WebSocket authentication error: %s", error, exc_info=True)
return False
@router.websocket("/ws")
async def websocket_endpoint(websocket: WebSocket):
"""WebSocket endpoint для real-time обновлений."""
client_host = websocket.client.host if websocket.client else "unknown"
logger.debug("WebSocket connection attempt from %s", client_host)
# Сначала проверяем авторизацию ДО принятия соединения
token = websocket.query_params.get("token") or websocket.query_params.get("api_key")
if not token:
logger.debug("WebSocket: No token provided from %s", client_host)
# Принимаем и сразу закрываем с кодом ошибки
await websocket.accept()
await websocket.close(code=1008, reason="Unauthorized: No token provided")
return
if not await verify_websocket_token(websocket, token):
logger.debug("WebSocket: Invalid token from %s", client_host)
# Принимаем и сразу закрываем с кодом ошибки
await websocket.accept()
await websocket.close(code=1008, reason="Unauthorized: Invalid token")
return
# Только после успешной проверки принимаем соединение
try:
await websocket.accept()
logger.debug("WebSocket connection accepted from %s", client_host)
except Exception as e:
logger.error("WebSocket: Failed to accept connection from %s: %s", client_host, e)
return
# Регистрируем подключение
event_emitter.register_websocket(websocket)
try:
# Отправляем приветственное сообщение
await websocket.send_json({
"type": "connection",
"status": "connected",
"message": "WebSocket connection established",
})
# Обрабатываем входящие сообщения (ping/pong для keepalive)
while True:
try:
data = await websocket.receive_text()
message = json.loads(data)
# Обработка ping
if message.get("type") == "ping":
await websocket.send_json({"type": "pong"})
# Можно добавить другие типы сообщений (подписки на конкретные события и т.д.)
except json.JSONDecodeError:
logger.warning("Invalid JSON received from WebSocket client")
except WebSocketDisconnect:
break
except Exception as error:
logger.exception("Error processing WebSocket message: %s", error)
except WebSocketDisconnect:
logger.debug("WebSocket client disconnected")
except Exception as error:
logger.exception("WebSocket error: %s", error)
finally:
# Отменяем регистрацию при отключении
event_emitter.unregister_websocket(websocket)