File size: 735 Bytes
ed654df | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | from slowapi import Limiter
from slowapi.util import get_remote_address
from fastapi import Request
from app.config import settings
def get_real_client_ip(request: Request) -> str:
"""Extract real client IP address behind reverse proxies (Cloudflare, Railway, Vercel, ALB)."""
cf_ip = request.headers.get("CF-Connecting-IP")
if cf_ip:
return cf_ip.strip()
forwarded = request.headers.get("X-Forwarded-For")
if forwarded:
return forwarded.split(",")[0].strip()
real_ip = request.headers.get("X-Real-IP")
if real_ip:
return real_ip.strip()
return get_remote_address(request)
limiter = Limiter(key_func=get_real_client_ip, default_limits=[settings.RATE_LIMIT])
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