59 lines
2.1 KiB
Python
59 lines
2.1 KiB
Python
"""authentik reputation request signals"""
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from django.contrib.auth.signals import user_logged_in
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from django.core.cache import cache
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from django.dispatch import receiver
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from django.http import HttpRequest
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from structlog.stdlib import get_logger
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from authentik.core.signals import login_failed
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from authentik.lib.config import CONFIG
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from authentik.lib.utils.http import get_client_ip
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from authentik.policies.reputation.models import CACHE_KEY_PREFIX
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from authentik.policies.reputation.tasks import save_reputation
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from authentik.stages.identification.signals import identification_failed
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LOGGER = get_logger()
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CACHE_TIMEOUT = int(CONFIG.y("redis.cache_timeout_reputation"))
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def update_score(request: HttpRequest, identifier: str, amount: int):
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"""Update score for IP and User"""
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remote_ip = get_client_ip(request)
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try:
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# We only update the cache here, as its faster than writing to the DB
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score = cache.get_or_set(
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CACHE_KEY_PREFIX + remote_ip + identifier,
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{"ip": remote_ip, "identifier": identifier, "score": 0},
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CACHE_TIMEOUT,
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)
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score["score"] += amount
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cache.set(CACHE_KEY_PREFIX + remote_ip + identifier, score)
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except ValueError as exc:
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LOGGER.warning("failed to set reputation", exc=exc)
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LOGGER.debug("Updated score", amount=amount, for_user=identifier, for_ip=remote_ip)
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save_reputation.delay()
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@receiver(login_failed)
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# pylint: disable=unused-argument
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def handle_failed_login(sender, request, credentials, **_):
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"""Lower Score for failed login attempts"""
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if "username" in credentials:
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update_score(request, credentials.get("username"), -1)
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@receiver(identification_failed)
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# pylint: disable=unused-argument
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def handle_identification_failed(sender, request, uid_field: str, **_):
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"""Lower Score for failed identification attempts"""
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update_score(request, uid_field, -1)
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@receiver(user_logged_in)
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# pylint: disable=unused-argument
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def handle_successful_login(sender, request, user, **_):
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"""Raise score for successful attempts"""
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update_score(request, user.username, 1)
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