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from django.db import models
from django.contrib.auth.models import Group
class HandleField(models.CharField):
def __init__(self, **kwargs):
models.CharField.__init__(self, max_length=255, **kwargs)
class IPAddressField( models.CharField ):
def __init__( self, **kwargs ):
models.CharField.__init__(self, max_length=40, **kwargs)
class Conf(models.Model):
'''This is the center of the universe, also known as a place to
have a handle on a resource-holding entity. It's the <self>
in the rpkid schema.'''
handle = HandleField(unique=True, db_index=True)
owner = models.OneToOneField(Group)
def __unicode__(self):
return self.handle
class AddressRange(models.Model):
'''An address range/prefix.'''
lo = IPAddressField(blank=False)
hi = IPAddressField(blank=False)
# parent address range
parent = models.ForeignKey('AddressRange', related_name='children',
blank=True, null=True)
allocated = models.ForeignKey('Child', related_name='address_range',
blank=True, null=True)
def __unicode__(self):
if self.lo == self.hi:
return u"address %s" % (self.lo,)
else:
return u"address range %s-%s" % (self.lo, self.hi)
def get_absolute_url(self):
return u'/myrpki/address/%d' % (self.pk,)
class Asn(models.Model):
'''An ASN or range thereof.'''
lo = models.IntegerField(blank=False)
hi = models.IntegerField(blank=False)
# parent asn range
parent = models.ForeignKey('Asn', related_name='children',
blank=True, null=True)
allocated = models.ForeignKey('Child', related_name='asn',
blank=True, null=True)
def __unicode__(self):
if self.lo == self.hi:
return u"ASN %d" % (self.lo,)
else:
return u"ASNs %d-%d" % (self.lo, self.hi)
def get_absolute_url(self):
return u'/myrpki/asn/%d' % (self.pk,)
class Child(models.Model):
conf = models.ForeignKey(Conf, related_name='children')
handle = HandleField() # parent's name for child
validity = models.DateTimeField()
def __unicode__(self):
return u"%s's child %s" % (self.conf, self.handle)
def get_absolute_url(self):
return u'/myrpki/child/%s' % (self.handle,)
class Meta:
verbose_name_plural = "children"
# children of a specific configuration should be unique
unique_together = ('conf', 'handle')
class Parent(models.Model):
conf = models.ForeignKey(Conf, related_name='parents')
handle = HandleField()
# service_uri = models.URLField( verify_exists=False )
# sia_base = models.URLField( verify_exists=False )
#address_range = models.ManyToManyField(AddressRange, blank=True,
# related_name='from_parent')
#asn = models.ManyToManyField(Asn, related_name='from_parent', blank=True)
def __unicode__(self):
return u"%s's parent %s" % (self.conf, self.handle)
def get_absolute_url(self):
return u'/myrpki/parent/%s' % (self.handle,)
class Meta:
# parents of a specific configuration should be unique
unique_together = ('conf', 'handle')
class ResourceCert(models.Model):
parent = models.ForeignKey(Parent, related_name='resources')
# resources granted from my parent
asn = models.ManyToManyField(Asn, related_name='from_cert', blank=True,
null=True)
address_range = models.ManyToManyField(AddressRange, related_name='from_cert',
blank=True, null=True)
# unique id for this resource certificate
# FIXME: URLField(verify_exists=False) doesn't seem to work - the admin
# editor won't accept a rsync:// scheme as valid
uri = models.CharField(max_length=200)
# certificate validity period
not_before = models.DateTimeField()
not_after = models.DateTimeField()
def get_absolute_url(self):
return u"/myrpki/resource/%d" % (self.pk,)
def __unicode__(self):
return u"%s's resource cert from parent %s" % (self.parent.conf.handle,
self.parent.handle)
class Roa(models.Model):
conf = models.ForeignKey(Conf, related_name='roas')
prefix = models.ManyToManyField(AddressRange)
max_len = models.IntegerField()
asn = models.IntegerField()
comments = models.TextField()
active = models.BooleanField()
def __unicode__(self):
return u"%s's ROA for %d" % (self.conf, self.asn)
def get_absolute_url(self):
return u'/myrpki/roa/%d' % (self.pk, )
# vim:sw=4 ts=8 expandtab
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