from django.db import models from django.db.models.signals import post_save, post_delete from django.dispatch import receiver from django.forms import ValidationError from macaddress.fields import MACAddressField from netaddr import mac_bare, EUI from django.core.validators import MinValueValidator,MaxValueValidator from re2o.settings import MAIN_EXTENSION class Machine(models.Model): PRETTY_NAME = "Machine" user = models.ForeignKey('users.User', on_delete=models.PROTECT) name = models.CharField(max_length=255, help_text="Optionnel", blank=True, null=True) active = models.BooleanField(default=True) def __str__(self): return str(self.user) + ' - ' + str(self.id) + ' - ' + str(self.name) class MachineType(models.Model): PRETTY_NAME = "Type de machine" type = models.CharField(max_length=255) ip_type = models.ForeignKey('IpType', on_delete=models.PROTECT, blank=True, null=True) def __str__(self): return self.type class IpType(models.Model): PRETTY_NAME = "Type d'ip" type = models.CharField(max_length=255) extension = models.ForeignKey('Extension', on_delete=models.PROTECT) need_infra = models.BooleanField(default=False) domaine_ip = models.GenericIPAddressField(protocol='IPv4') domaine_range = models.IntegerField(validators=[MinValueValidator(8), MaxValueValidator(32)]) def __str__(self): return self.type class Extension(models.Model): PRETTY_NAME = "Extensions dns" name = models.CharField(max_length=255, unique=True) need_infra = models.BooleanField(default=False) origin = models.OneToOneField('IpList', on_delete=models.PROTECT, blank=True, null=True) def __str__(self): return self.name class Mx(models.Model): PRETTY_NAME = "Enregistrements MX" zone = models.ForeignKey('Extension', on_delete=models.PROTECT) priority = models.IntegerField(unique=True) name = models.OneToOneField('Alias', on_delete=models.PROTECT) def __str__(self): return str(self.zone) + ' ' + str(self.priority) + ' ' + str(self.name) class Ns(models.Model): PRETTY_NAME = "Enregistrements NS" zone = models.ForeignKey('Extension', on_delete=models.PROTECT) interface = models.OneToOneField('Interface', on_delete=models.PROTECT) def __str__(self): return str(self.zone) + ' ' + str(self.interface) class Interface(models.Model): PRETTY_NAME = "Interface" ipv4 = models.OneToOneField('IpList', on_delete=models.PROTECT, blank=True, null=True) #ipv6 = models.GenericIPAddressField(protocol='IPv6', null=True) mac_address = MACAddressField(integer=False, unique=True) machine = models.ForeignKey('Machine', on_delete=models.CASCADE) type = models.ForeignKey('MachineType', on_delete=models.PROTECT) details = models.CharField(max_length=255, blank=True) dns = models.CharField(help_text="Obligatoire et unique, ne doit pas comporter de points", max_length=255, unique=True) def is_active(self): """ Renvoie si une interface doit avoir accès ou non """ machine = self.machine user = self.machine.user return machine.active and user.has_access() def mac_bare(self): return str(EUI(self.mac_address, dialect=mac_bare)).lower() def clean(self, *args, **kwargs): self.mac_address = str(EUI(self.mac_address)) or None if self.ipv4: alias = Alias.objects.filter(alias=self.dns).filter(extension=self.ipv4.ip_type.extension) else: alias = Alias.objects.filter(alias=self.dns) if alias: raise ValidationError("Impossible, le dns est déjà utilisé par un alias (%s)" % alias[0]) def __str__(self): return self.dns class Alias(models.Model): PRETTY_NAME = "Alias dns" interface_parent = models.ForeignKey('Interface', on_delete=models.CASCADE) alias = models.CharField(help_text="Obligatoire et unique, ne doit pas comporter de points", max_length=255) extension = models.ForeignKey('Extension', on_delete=models.PROTECT) class Meta: unique_together = ("alias", "extension") def clean(self, *args, **kwargs): if hasattr(self, 'alias') and hasattr(self, 'extension'): if Interface.objects.filter(dns=self.alias).filter(ipv4__in=IpList.objects.filter(ip_type__in=IpType.objects.filter(extension=self.extension))): raise ValidationError("Impossible d'ajouter l'alias, déjà utilisé par une machine") def __str__(self): return str(self.alias) + str(self.extension) class IpList(models.Model): PRETTY_NAME = "Addresses ipv4" ipv4 = models.GenericIPAddressField(protocol='IPv4', unique=True) ip_type = models.ForeignKey('IpType', on_delete=models.PROTECT) need_infra = models.BooleanField(default=False) def __str__(self): return self.ipv4 @receiver(post_save, sender=Interface) def interface_post_save(sender, **kwargs): user = kwargs['instance'].machine.user user.ldap_sync(base=False, access_refresh=False, mac_refresh=True) @receiver(post_delete, sender=Interface) def interface_post_delete(sender, **kwargs): interface = kwargs['instance'] user = interface.machine.user user.ldap_sync(base=False, access_refresh=False, mac_refresh=True)