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# Copyright (C) 2011 SPARTA, Inc. dba Cobham Analytic Solutions
# Copyright (C) 2012, 2016 SPARTA, Inc. a Parsons Company
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND SPARTA DISCLAIMS ALL WARRANTIES WITH
# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS. IN NO EVENT SHALL SPARTA BE LIABLE FOR ANY SPECIAL, DIRECT,
# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.
__version__ = '$Id: $'
from django.db import models
import rpki.resource_set
import rpki.gui.models
import rpki.rcynicdb.models
class TelephoneField(models.CharField):
def __init__(self, *args, **kwargs):
kwargs['max_length'] = 255
models.CharField.__init__(self, *args, **kwargs)
class AddressRange(rpki.gui.models.PrefixV4): pass
class AddressRangeV6(rpki.gui.models.PrefixV6): pass
class ASRange(rpki.gui.models.ASN): pass
class SignedObject(models.Model):
"""
Abstract class to hold common metadata for all signed objects.
The signing certificate is ommitted here in order to give a proper
value for the 'related_name' attribute.
"""
class Meta:
abstract = True
# Duplicate of rpki.rcynicdb.models.RPKIObject
uri = models.TextField()
# validity period from EE cert which signed object
not_before = models.DateTimeField()
not_after = models.DateTimeField()
def __unicode__(self):
return u'%s' % self.uri
def __repr__(self):
return u'<%s name=%s uri=%s>' % (self.__class__.__name__, self.uri)
class Cert(SignedObject):
"""
Object representing a resource CA certificate.
"""
# Duplicate of rpki.rcynicdb.models.RPKIObject
ski = models.SlugField(max_length=40) # hex SHA-1
addresses = models.ManyToManyField(AddressRange, related_name='certs')
addresses_v6 = models.ManyToManyField(AddressRangeV6, related_name='certs')
asns = models.ManyToManyField(ASRange, related_name='certs')
issuer = models.ForeignKey('self', on_delete=models.CASCADE, null=True)
def __repr__(self):
return u'<Cert uri=%s ski=%s not_before=%s not_after=%s>' % (self.uri, self.ski, self.not_before, self.not_after)
def __unicode__(self):
return u'RPKI CA Cert %s' % (self.uri,)
def get_cert_chain(self):
"""Return a list containing the complete certificate chain for this
certificate."""
cert = self
x = [cert]
while cert != cert.issuer:
cert = cert.issuer
x.append(cert)
x.reverse()
return x
cert_chain = property(get_cert_chain)
class ROAPrefix(models.Model):
"Abstract base class for ROA mixin."
max_length = models.PositiveSmallIntegerField()
class Meta:
abstract = True
def as_roa_prefix(self):
"Return value as a rpki.resource_set.roa_prefix_ip object."
rng = self.as_resource_range()
return self.roa_cls(rng.min, rng.prefixlen(), self.max_length)
def __unicode__(self):
p = self.as_resource_range()
if p.prefixlen() == self.max_length:
return str(p)
return '%s-%s' % (str(p), self.max_length)
# ROAPrefix is declared first, so subclass picks up __unicode__ from it.
class ROAPrefixV4(ROAPrefix, rpki.gui.models.PrefixV4):
"One v4 prefix in a ROA."
roa_cls = rpki.resource_set.roa_prefix_ipv4
@property
def routes(self):
"""return all routes covered by this roa prefix"""
return RouteOrigin.objects.filter(prefix_min__gte=self.prefix_min,
prefix_max__lte=self.prefix_max)
class Meta:
ordering = ('prefix_min',)
# ROAPrefix is declared first, so subclass picks up __unicode__ from it.
class ROAPrefixV6(ROAPrefix, rpki.gui.models.PrefixV6):
"One v6 prefix in a ROA."
roa_cls = rpki.resource_set.roa_prefix_ipv6
class Meta:
ordering = ('prefix_min',)
class ROA(SignedObject):
asid = models.PositiveIntegerField()
prefixes = models.ManyToManyField(ROAPrefixV4, related_name='roas')
prefixes_v6 = models.ManyToManyField(ROAPrefixV6, related_name='roas')
issuer = models.ForeignKey(Cert, on_delete=models.CASCADE, null=True, related_name='roas')
class Meta:
ordering = ('asid',)
def __unicode__(self):
return u'ROA for AS%d' % self.asid
class Ghostbuster(SignedObject):
full_name = models.CharField(max_length=40)
email_address = models.EmailField(blank=True, null=True)
organization = models.CharField(blank=True, null=True, max_length=255)
telephone = TelephoneField(blank=True, null=True)
issuer = models.ForeignKey(Cert, on_delete=models.CASCADE, null=True, related_name='ghostbusters')
def __unicode__(self):
if self.full_name:
return self.full_name
if self.organization:
return self.organization
if self.email_address:
return self.email_address
return self.telephone
from rpki.gui.routeview.models import RouteOrigin
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