core/homeassistant/components/http/real_ip.py

34 lines
970 B
Python

"""Middleware to fetch real IP."""
from ipaddress import ip_address
from aiohttp.web import middleware
from aiohttp.hdrs import X_FORWARDED_FOR
from homeassistant.core import callback
from .const import KEY_REAL_IP
@callback
def setup_real_ip(app, use_x_forwarded_for):
"""Create IP Ban middleware for the app."""
@middleware
async def real_ip_middleware(request, handler):
"""Real IP middleware."""
if (use_x_forwarded_for and
X_FORWARDED_FOR in request.headers):
request[KEY_REAL_IP] = ip_address(
request.headers.get(X_FORWARDED_FOR).split(',')[0])
else:
request[KEY_REAL_IP] = \
ip_address(request.transport.get_extra_info('peername')[0])
return await handler(request)
async def app_startup(app):
"""Initialize bans when app starts up."""
app.middlewares.append(real_ip_middleware)
app.on_startup.append(app_startup)