2019-10-07 14:33:48 +00:00
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"""user field matcher models"""
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import re
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from django.db import models
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from django.utils.translation import gettext as _
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from structlog import get_logger
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from passbook.core.models import Policy
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from passbook.policies.struct import PolicyRequest, PolicyResult
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LOGGER = get_logger()
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class PasswordPolicy(Policy):
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"""Policy to make sure passwords have certain properties"""
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amount_uppercase = models.IntegerField(default=0)
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amount_lowercase = models.IntegerField(default=0)
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amount_symbols = models.IntegerField(default=0)
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length_min = models.IntegerField(default=0)
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symbol_charset = models.TextField(default=r"!\"#$%&'()*+,-./:;<=>?@[\]^_`{|}~ ")
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error_message = models.TextField()
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2019-12-31 11:51:16 +00:00
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form = "passbook.policies.password.forms.PasswordPolicyForm"
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2019-10-07 14:33:48 +00:00
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def passes(self, request: PolicyRequest) -> PolicyResult:
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# Only check if password is being set
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2019-12-31 11:51:16 +00:00
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if not hasattr(request.user, "__password__"):
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2019-10-07 14:33:48 +00:00
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return PolicyResult(True)
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2019-12-31 11:51:16 +00:00
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password = getattr(request.user, "__password__")
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2019-10-07 14:33:48 +00:00
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2019-12-31 11:51:16 +00:00
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filter_regex = r""
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2019-10-07 14:33:48 +00:00
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if self.amount_lowercase > 0:
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2019-12-31 11:51:16 +00:00
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filter_regex += r"[a-z]{%d,}" % self.amount_lowercase
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2019-10-07 14:33:48 +00:00
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if self.amount_uppercase > 0:
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2019-12-31 11:51:16 +00:00
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filter_regex += r"[A-Z]{%d,}" % self.amount_uppercase
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2019-10-07 14:33:48 +00:00
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if self.amount_symbols > 0:
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2019-12-31 11:51:16 +00:00
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filter_regex += r"[%s]{%d,}" % (self.symbol_charset, self.amount_symbols)
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2019-10-07 14:33:48 +00:00
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result = bool(re.compile(filter_regex).match(password))
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if not result:
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return PolicyResult(result, self.error_message)
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return PolicyResult(result)
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class Meta:
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2019-12-31 11:51:16 +00:00
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verbose_name = _("Password Policy")
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verbose_name_plural = _("Password Policies")
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