Files
bambuddy/backend/app/api/routes/websocket.py
T
maziggy 53bd4fadb3 Fix safe security findings: hashlib, log injection, broad excepts
- Add usedforsecurity=False to MD5 (AMS fingerprint) and SHA1 (git blob
  hash) calls to silence Bandit B303 / CodeQL weak-crypto findings
- Convert ~996 f-string logging calls to parameterized %s-style across
  55 files to prevent log injection (Bandit G201 / CodeQL log-injection)
- Narrow ~199 broad except Exception blocks to specific types:
  OperationalError for DB migrations, OSError for network/file cleanup,
  (OSError, ftplib.error_reply) for FTP, and targeted tuples for
  ZIP/XML/JSON parsing — 36 intentionally left broad (mixed async,
  re-raise patterns)
2026-02-06 11:37:59 +01:00

60 lines
2.2 KiB
Python

import logging
from fastapi import APIRouter, WebSocket, WebSocketDisconnect
from backend.app.core.websocket import ws_manager
from backend.app.services.printer_manager import printer_manager, printer_state_to_dict
logger = logging.getLogger(__name__)
router = APIRouter()
@router.websocket("/ws")
async def websocket_endpoint(websocket: WebSocket):
"""WebSocket endpoint for real-time updates."""
logger.info("WebSocket client connecting...")
await ws_manager.connect(websocket)
logger.info("WebSocket client connected")
try:
# Send initial status of all printers
statuses = printer_manager.get_all_statuses()
for printer_id, state in statuses.items():
await websocket.send_json(
{
"type": "printer_status",
"printer_id": printer_id,
"data": printer_state_to_dict(state, printer_id, printer_manager.get_model(printer_id)),
}
)
logger.info("Sent initial status for %s printers", len(statuses))
# Keep connection alive and handle incoming messages
while True:
data = await websocket.receive_json()
# Handle ping/pong for keepalive
if data.get("type") == "ping":
await websocket.send_json({"type": "pong"})
# Handle status request
elif data.get("type") == "get_status":
printer_id = data.get("printer_id")
if printer_id:
state = printer_manager.get_status(printer_id)
if state:
await websocket.send_json(
{
"type": "printer_status",
"printer_id": printer_id,
"data": printer_state_to_dict(state, printer_id, printer_manager.get_model(printer_id)),
}
)
except WebSocketDisconnect:
logger.info("WebSocket client disconnected normally")
await ws_manager.disconnect(websocket)
except Exception as e:
logger.error("WebSocket error: %s", e, exc_info=True)
await ws_manager.disconnect(websocket)