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authentik/passbook/core/signals.py

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"""passbook core signals"""
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from django.core.cache import cache
from django.core.signals import Signal
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from django.db.models.signals import post_save
from django.dispatch import receiver
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from structlog import get_logger
LOGGER = get_logger()
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user_signed_up = Signal(providing_args=["request", "user"])
invitation_created = Signal(providing_args=["request", "invitation"])
invitation_used = Signal(providing_args=["request", "invitation", "user"])
password_changed = Signal(providing_args=["user", "password"])
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@receiver(post_save)
# pylint: disable=unused-argument
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def invalidate_policy_cache(sender, instance, **_):
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"""Invalidate Policy cache when policy is updated"""
from passbook.policies.models import Policy, PolicyBinding
from passbook.policies.process import cache_key
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if isinstance(instance, Policy):
LOGGER.debug("Invalidating policy cache", policy=instance)
total = 0
for binding in PolicyBinding.objects.filter(policy=instance):
prefix = cache_key(binding) + "*"
keys = cache.keys(prefix)
total += len(keys)
cache.delete_many(keys)
LOGGER.debug("Deleted keys", len=total)