"""passbook password factor signals"""
from django.dispatch import receiver
from passbook.core.signals import password_changed
from passbook.factors.password.exceptions import PasswordPolicyInvalid
@receiver(password_changed)
def password_policy_checker(sender, password, **_):
"""Run password through all password policies which are applied to the user"""
from passbook.factors.password.models import PasswordFactor
from passbook.policies.engine import PolicyEngine
setattr(sender, '__password__', password)
_all_factors = PasswordFactor.objects.filter(enabled=True).order_by('order')
for factor in _all_factors:
policy_engine = PolicyEngine(factor.password_policies.all().select_subclasses(), sender)
policy_engine.build()
passing, messages = policy_engine.result
if not passing:
raise PasswordPolicyInvalid(*messages)
