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Server-side capture layer for Feature 2 (login/IP audit) + base for Feature 3 (behavior analytics), on top of the already-deployed user_events table (migration 184). record_event/schedule_event never raise into the caller — audit logging must never break a real request.
66 lines
2.9 KiB
Python
66 lines
2.9 KiB
Python
"""RequestAuditMiddleware — пишет `api_request` (+ дедуплицированный `login`)
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события в `user_events` для каждого аутентифицированного `/api/*` запроса.
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Foundation для Feature 2 (login/IP audit) и базы Feature 3 (behavior analytics).
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Логирование выполняется ПОСЛЕ `call_next` (не задерживает и не ветвит реальный
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ответ клиенту) и через fire-and-forget `schedule_event` — сбой аудита никогда
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не влияет на HTTP-ответ.
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"""
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from __future__ import annotations
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import logging
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from fastapi import Request
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from starlette.middleware.base import BaseHTTPMiddleware
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from starlette.responses import Response
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from app.core.ratelimit import _client_ip
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from app.services.user_events import schedule_event, should_log_login
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logger = logging.getLogger(__name__)
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# Зеркалит app.main._PUBLIC_PATHS. Не импортируем напрямую из app.main — оно
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# импортирует этот модуль (регистрирует middleware), обратный импорт дал бы
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# циклическую зависимость.
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_PUBLIC_PATHS = frozenset({"/health", "/docs", "/redoc", "/openapi.json"})
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class RequestAuditMiddleware(BaseHTTPMiddleware):
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"""Логирует активность аутентифицированных пользователей в `user_events`."""
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async def dispatch(self, request: Request, call_next): # type: ignore[no-untyped-def]
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response: Response = await call_next(request)
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try:
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username = request.headers.get("x-authenticated-user")
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path = request.url.path
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if username and path.startswith("/api/") and path not in _PUBLIC_PATHS:
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ip = _client_ip(request)
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ua = request.headers.get("user-agent")
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# Общий behavior/activity-поток — каждый authenticated API-запрос.
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schedule_event(
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event_type="api_request",
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username=username,
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ip=ip,
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user_agent=ua,
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path=path,
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method=request.method,
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)
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# Дедуплицированный login/IP-audit сигнал — максимум раз в день
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# на (юзер, IP, устройство).
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if should_log_login(username, ip, ua):
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schedule_event(
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event_type="login",
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username=username,
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ip=ip,
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user_agent=ua,
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path=path,
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method=request.method,
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)
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except Exception:
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logger.warning("RequestAuditMiddleware: failed to record event", exc_info=True)
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return response
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