*(minor): small refactor

passbook/policies/password/admin.py

@@ -0,0 +1,4 @@
+"""autodiscover admin"""
+from passbook.lib.admin import admin_autoregister
+
+admin_autoregister('passbook_policies_password')

passbook/policies/password/apps.py

@@ -0,0 +1,11 @@
+"""passbook Password policy app config"""
+
+from django.apps import AppConfig
+
+
+class PassbookPoliciesPasswordConfig(AppConfig):
+    """passbook Password policy app config"""
+
+    name = 'passbook.policies.password'
+    label = 'passbook_policies_password'
+    verbose_name = 'passbook Policies.Password'

passbook/policies/password/forms.py

@@ -0,0 +1,29 @@
+"""passbook Policy forms"""
+
+from django import forms
+from django.utils.translation import gettext as _
+
+from passbook.policies.forms import GENERAL_FIELDS
+from passbook.policies.password.models import PasswordPolicy
+
+
+class PasswordPolicyForm(forms.ModelForm):
+    """PasswordPolicy Form"""
+
+    class Meta:
+
+        model = PasswordPolicy
+        fields = GENERAL_FIELDS + ['amount_uppercase', 'amount_lowercase',
+                                   'amount_symbols', 'length_min', 'symbol_charset',
+                                   'error_message']
+        widgets = {
+            'name': forms.TextInput(),
+            'symbol_charset': forms.TextInput(),
+            'error_message': forms.TextInput(),
+        }
+        labels = {
+            'amount_uppercase': _('Minimum amount of Uppercase Characters'),
+            'amount_lowercase': _('Minimum amount of Lowercase Characters'),
+            'amount_symbols': _('Minimum amount of Symbols Characters'),
+            'length_min': _('Minimum Length'),
+        }

passbook/policies/password/migrations/0001_initial.py

@@ -0,0 +1,33 @@
+# Generated by Django 2.2.6 on 2019-10-07 14:07
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('passbook_core', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='PasswordPolicy',
+            fields=[
+                ('policy_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='passbook_core.Policy')),
+                ('amount_uppercase', models.IntegerField(default=0)),
+                ('amount_lowercase', models.IntegerField(default=0)),
+                ('amount_symbols', models.IntegerField(default=0)),
+                ('length_min', models.IntegerField(default=0)),
+                ('symbol_charset', models.TextField(default='!\\"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~ ')),
+                ('error_message', models.TextField()),
+            ],
+            options={
+                'verbose_name': 'Password Policy',
+                'verbose_name_plural': 'Password Policies',
+            },
+            bases=('passbook_core.policy',),
+        ),
+    ]

passbook/policies/password/models.py

@@ -0,0 +1,47 @@
+"""user field matcher models"""
+import re
+
+from django.db import models
+from django.utils.translation import gettext as _
+from structlog import get_logger
+
+from passbook.core.models import Policy
+from passbook.policies.struct import PolicyRequest, PolicyResult
+
+LOGGER = get_logger()
+
+
+class PasswordPolicy(Policy):
+    """Policy to make sure passwords have certain properties"""
+
+    amount_uppercase = models.IntegerField(default=0)
+    amount_lowercase = models.IntegerField(default=0)
+    amount_symbols = models.IntegerField(default=0)
+    length_min = models.IntegerField(default=0)
+    symbol_charset = models.TextField(default=r"!\"#$%&'()*+,-./:;<=>?@[\]^_`{|}~ ")
+    error_message = models.TextField()
+
+    form = 'passbook.policies.password.forms.PasswordPolicyForm'
+
+    def passes(self, request: PolicyRequest) -> PolicyResult:
+        # Only check if password is being set
+        if not hasattr(request.user, '__password__'):
+            return PolicyResult(True)
+        password = getattr(request.user, '__password__')
+
+        filter_regex = r''
+        if self.amount_lowercase > 0:
+            filter_regex += r'[a-z]{%d,}' % self.amount_lowercase
+        if self.amount_uppercase > 0:
+            filter_regex += r'[A-Z]{%d,}' % self.amount_uppercase
+        if self.amount_symbols > 0:
+            filter_regex += r'[%s]{%d,}' % (self.symbol_charset, self.amount_symbols)
+        result = bool(re.compile(filter_regex).match(password))
+        if not result:
+            return PolicyResult(result, self.error_message)
+        return PolicyResult(result)
+
+    class Meta:
+
+        verbose_name = _('Password Policy')
+        verbose_name_plural = _('Password Policies')