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.db import transaction
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from django.db.models import F
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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.events.context_processors.asn import ASN_CONTEXT_PROCESSOR
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from authentik.events.context_processors.geoip import GEOIP_CONTEXT_PROCESSOR
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from authentik.policies.reputation.models import Reputation, reputation_expiry
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from authentik.root.middleware import ClientIPMiddleware
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from authentik.stages.identification.signals import identification_failed
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LOGGER = get_logger()
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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 = ClientIPMiddleware.get_client_ip(request)
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with transaction.atomic():
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reputation, created = Reputation.objects.select_for_update().get_or_create(
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ip=remote_ip,
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identifier=identifier,
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defaults={
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"score": amount,
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"ip_geo_data": GEOIP_CONTEXT_PROCESSOR.city_dict(remote_ip) or {},
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"ip_asn_data": ASN_CONTEXT_PROCESSOR.asn_dict(remote_ip) or {},
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"expires": reputation_expiry(),
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},
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)
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if not created:
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reputation.score = F("score") + amount
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reputation.save()
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LOGGER.info("Updated score", amount=amount, for_user=identifier, for_ip=remote_ip)
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@receiver(login_failed)
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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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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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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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