86 lines
2.6 KiB
Python
86 lines
2.6 KiB
Python
"""authentik reputation request policy"""
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from uuid import uuid4
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from django.db import models
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from django.db.models import Sum
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from django.db.models.query_utils import Q
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from django.utils.translation import gettext as _
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from rest_framework.serializers import BaseSerializer
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from structlog import get_logger
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from authentik.lib.models import SerializerModel
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from authentik.lib.utils.http import get_client_ip
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from authentik.policies.models import Policy
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from authentik.policies.types import PolicyRequest, PolicyResult
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LOGGER = get_logger()
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CACHE_KEY_PREFIX = "goauthentik.io/policies/reputation/scores/"
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class ReputationPolicy(Policy):
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"""Return true if request IP/target username's score is below a certain threshold"""
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check_ip = models.BooleanField(default=True)
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check_username = models.BooleanField(default=True)
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threshold = models.IntegerField(default=-5)
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@property
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def serializer(self) -> BaseSerializer:
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from authentik.policies.reputation.api import ReputationPolicySerializer
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return ReputationPolicySerializer
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@property
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def component(self) -> str:
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return "ak-policy-reputation-form"
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def passes(self, request: PolicyRequest) -> PolicyResult:
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remote_ip = get_client_ip(request.http_request)
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passing = False
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query = Q()
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if self.check_ip:
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query |= Q(ip=remote_ip)
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if self.check_username:
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query |= Q(identifier=request.user.username)
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score = Reputation.objects.filter(query).annotate(total_score=Sum("score")).total_score
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passing += passing or score <= self.threshold
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LOGGER.debug(
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"Score for user",
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username=request.user.username,
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remote_ip=remote_ip,
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score=score,
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passing=passing,
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)
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return PolicyResult(bool(passing))
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class Meta:
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verbose_name = _("Reputation Policy")
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verbose_name_plural = _("Reputation Policies")
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class Reputation(SerializerModel):
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"""Reputation for user and or IP."""
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reputation_uuid = models.UUIDField(primary_key=True, unique=True, default=uuid4)
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identifier = models.TextField()
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ip = models.GenericIPAddressField()
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ip_geo_data = models.JSONField(default=dict)
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score = models.BigIntegerField(default=0)
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updated = models.DateTimeField(auto_now_add=True)
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@property
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def serializer(self) -> BaseSerializer:
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from authentik.policies.reputation.api import ReputationSerializer
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return ReputationSerializer
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def __str__(self) -> str:
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return f"Reputation {self.identifier}/{self.ip} @ {self.score}"
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class Meta:
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unique_together = ("identifier", "ip")
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