134 lines
5 KiB
Python
134 lines
5 KiB
Python
import logging
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from django.conf import settings
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from django.contrib.auth.models import User
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from django.db import models
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from django.db.models.signals import post_save
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from django.dispatch import receiver
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from django.utils.translation import gettext_lazy, pgettext_lazy
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from django_celery_beat.models import PeriodicTask
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from rest_framework.authtoken.models import Token
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from solo.models import SingletonModel
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from core.fields import IntegerField
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_log = logging.getLogger(__name__)
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@receiver(post_save, sender=settings.AUTH_USER_MODEL)
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def create_auth_token(sender, instance=None, created=False, **kwargs):
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""" Generate Auth token for user
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See https://www.django-rest-framework.org/api-guide/authentication/#generating-tokens
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"""
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if created:
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Token.objects.create(user=instance)
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class NameDescriptionModel(models.Model):
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""" Abstract model for name - description pair model """
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name = models.CharField(max_length=128, verbose_name=gettext_lazy(
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'Name'))
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description = models.TextField(null=True,
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blank=True,
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verbose_name=gettext_lazy('Description'),
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help_text=gettext_lazy('Description'))
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class Meta:
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abstract = True
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ordering = ['name']
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def __str__(self):
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return self.name
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class UniqueNameDescriptionModel(NameDescriptionModel):
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""" NameDescriptionModel heir to make name field unique """
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name = models.CharField(max_length=128, verbose_name=gettext_lazy('Name'), unique=True)
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class Meta:
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abstract = True
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ordering = ['name']
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class SensorConnectedMixin(models.Model):
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""" Add connection to sensor by name.
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Sensor can be ARMAIF or Endpoint
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"""
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sensor = models.CharField(null=True, blank=True, max_length=128, verbose_name=gettext_lazy("Sensor name"))
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class Meta:
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abstract = True
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class UpdatedNameDescriptionModel(NameDescriptionModel):
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""" Abstract model for name - description pair with updated info """
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updated = models.DateTimeField(auto_now=True, verbose_name=gettext_lazy(
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'Updated'), help_text=gettext_lazy('Date and time, when asset was updated'))
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class Meta:
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abstract = True
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ordering = ['updated', 'name']
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def __str__(self):
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return self.name
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class VulnerabilityEffect(NameDescriptionModel):
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""" Possible Vulnerability effect """
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pass
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class VulnerabilityRecommendations(NameDescriptionModel):
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""" Recommendations how to close Vulnerability """
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pass
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class Vulnerability(UniqueNameDescriptionModel):
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""" Description of one Vulnerability """
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detection_method = models.TextField(verbose_name=gettext_lazy('Detection method'))
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affected_software = models.TextField(verbose_name=gettext_lazy('Vulnerable software'))
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close_recommendations = models.ManyToManyField(VulnerabilityRecommendations,
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verbose_name=gettext_lazy('Resolve recommendations'),
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help_text=gettext_lazy('How to resolve the vulnerability'),
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blank=True)
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effects = models.ManyToManyField(VulnerabilityEffect,
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verbose_name=pgettext_lazy('as consequences', 'Effects'),
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help_text=gettext_lazy('Consequences of the vulnerability'),
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blank=True)
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class ConnectionType(NameDescriptionModel):
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""" Asset connection type """
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pass
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class Connection(models.Model):
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"""
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Connection between two assets
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"""
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from assets.models.assets import Asset
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class ProtocolType(models.TextChoices):
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TCP = 'TCP', gettext_lazy('TCP protocol')
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UDP = 'UDP', gettext_lazy('UDP protocol')
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src_asset = models.ForeignKey(Asset, related_name='src', on_delete=models.CASCADE,
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verbose_name=gettext_lazy('Source asset'))
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dst_asset = models.ForeignKey(Asset,
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related_name='dst',
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on_delete=models.CASCADE,
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verbose_name=gettext_lazy('Destination asset'))
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src_port = IntegerField(verbose_name=gettext_lazy('Source port'), null=True, blank=True,
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min_value=0, max_value=65535)
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dst_port = IntegerField(verbose_name=gettext_lazy('Destination port'), null=True, blank=True,
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min_value=0, max_value=65535)
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connection_protocol = models.CharField(choices=ProtocolType.choices,
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verbose_name=gettext_lazy('Connection protocol'),
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help_text=gettext_lazy('Connection protocol type'), blank=True, null=True,
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default=ProtocolType.TCP, max_length=10)
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created = models.DateTimeField(auto_now=True)
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updated = models.DateTimeField(auto_now=True, verbose_name=gettext_lazy(
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'Updated'), help_text=gettext_lazy('Date and time, when connection was updated'))
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