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# $Id$
"""
Copyright (C) 2010 SPARTA, Inc. dba Cobham Analytic Solutions
Copyright (C) 2012 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.
"""
import socket
from django.db import models
from django.contrib.auth.models import User
from rpki.gui.app.misc import str_to_range
import rpki.resource_set
import rpki.exceptions
import rpki.irdb.models
class IPAddressField(models.CharField):
def __init__( self, **kwargs ):
models.CharField.__init__(self, max_length=40, **kwargs)
class TelephoneField(models.CharField):
def __init__( self, **kwargs ):
models.CharField.__init__(self, max_length=40, **kwargs)
class Parent(rpki.irdb.models.Parent):
"""proxy model for irdb Parent"""
def __unicode__(self):
return u"%s's parent %s" % (self.issuer.handle, self.handle)
@models.permalink
def get_absolute_url(self):
return ('rpki.gui.app.views.parent_view', [str(self.pk)])
class Meta:
proxy = True
class Child(rpki.irdb.models.Child):
"""proxy model for irdb Child"""
def __unicode__(self):
return u"%s's child %s" % (self.issuer.handle, self.handle)
@models.permalink
def get_absolute_url(self):
return ('rpki.gui.app.views.child_view', [str(self.pk)])
class Meta:
proxy = True
class Conf(rpki.irdb.models.ResourceHolderCA):
'''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.'''
class Meta:
proxy = True
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)
# child to which this resource is delegated
allocated = models.ForeignKey(Child, related_name='address_range',
blank=True, null=True)
class Meta:
ordering = ('lo', 'hi')
def __unicode__(self):
if self.lo == self.hi:
return u"%s" % (self.lo,)
try:
# pretty print cidr
return unicode(self.as_resource_range())
except socket.error, err:
print err
# work around for bug when hi/lo get reversed
except AssertionError, err:
print err
return u'%s - %s' % (self.lo, self.hi)
@models.permalink
def get_absolute_url(self):
return ('rpki.gui.app.views.address_view', [str(self.pk)])
def as_resource_range(self):
'''Convert to rpki.resource_set.resource_range_ip.'''
return str_to_range(self.lo, self.hi)
def is_prefix(self):
'''Returns True if this address range can be represented as a
prefix.'''
try:
self.as_resource_range().prefixlen()
except rpki.exceptions.MustBePrefix, err:
return False
return True
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)
# child to which this resource is delegated
allocated = models.ForeignKey(Child, related_name='asn',
blank=True, null=True)
class Meta:
ordering = ('lo', 'hi')
def __unicode__(self):
if self.lo == self.hi:
return u"ASN %d" % (self.lo,)
else:
return u"ASNs %d - %d" % (self.lo, self.hi)
@models.permalink
def get_absolute_url(self):
return ('rpki.gui.app.views.asn_view', [str(self.pk)])
def as_resource_range(self):
# we force conversion to long() here because resource_range_as() wants
# the type of both arguments to be identical, and models.IntegerField
# will be a long when the value is large
return rpki.resource_set.resource_range_as(long(self.lo), long(self.hi))
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 __unicode__(self):
return u"%s's resource cert from parent %s" % (self.parent.conf.handle,
self.parent.handle)
class Roa(models.Model):
'''Maps an ASN to the set of prefixes it can originate routes for.
This differs from a real ROA in that prefixes from multiple
parents/resource certs can be selected. The glue module contains
code to split the ROAs into groups by common resource certs.'''
conf = models.ForeignKey(Conf, related_name='roas')
asn = models.IntegerField()
active = models.BooleanField()
# the resource cert from which all prefixes for this roa are derived
cert = models.ForeignKey(ResourceCert, related_name='roas')
def __unicode__(self):
return u"%s's ROA for %d" % (self.conf, self.asn)
@models.permalink
def get_absolute_url(self):
return ('rpki.gui.app.views.roa_view', [str(self.pk)])
class RoaRequest(models.Model):
roa = models.ForeignKey(Roa, related_name='from_roa_request')
max_length = models.IntegerField()
prefix = models.ForeignKey(AddressRange, related_name='roa_requests')
def __unicode__(self):
return u'roa request for asn %d on %s-%d' % (self.roa.asn, self.prefix,
self.max_length)
def as_roa_prefix(self):
'''Convert to a rpki.resouce_set.roa_prefix subclass.'''
r = self.prefix.as_resource_range()
if isinstance(r, rpki.resource_set.resource_range_ipv4):
return rpki.resource_set.roa_prefix_ipv4(r.min, r.prefixlen(),
self.max_length)
else:
return rpki.resource_set.roa_prefix_ipv6(r.min, r.prefixlen(),
self.max_length)
@models.permalink
def get_absolute_url(self):
return ('rpki.gui.app.views.roa_request_view', [str(self.pk)])
class Ghostbuster(models.Model):
"""
Stores the information require to fill out a vCard entry to populate
a ghostbusters record.
"""
full_name = models.CharField(max_length=40)
# components of the vCard N type
family_name = models.CharField(max_length=20)
given_name = models.CharField(max_length=20)
additional_name = models.CharField(max_length=20, blank=True, null=True)
honorific_prefix = models.CharField(max_length=10, blank=True, null=True)
honorific_suffix = models.CharField(max_length=10, blank=True, null=True)
email_address = models.EmailField(blank=True, null=True)
organization = models.CharField(blank=True, null=True, max_length=255)
telephone = TelephoneField(blank=True, null=True)
# elements of the ADR type
box = models.CharField(verbose_name='P.O. Box', blank=True, null=True, max_length=40)
extended = models.CharField(blank=True, null=True, max_length=255)
street = models.CharField(blank=True, null=True, max_length=255)
city = models.CharField(blank=True, null=True, max_length=40)
region = models.CharField(blank=True, null=True, max_length=40, help_text='state or province')
code = models.CharField(verbose_name='Postal Code', blank=True, null=True, max_length=40)
country = models.CharField(blank=True, null=True, max_length=40)
conf = models.ForeignKey(Conf, related_name='ghostbusters')
# parent can be null when using the same record for all parents
parent = models.ManyToManyField(Parent, related_name='ghostbusters',
blank=True, null=True, help_text='use this record for a specific parent, or leave blank for all parents')
def __unicode__(self):
return u"%s's GBR: %s" % (self.conf, self.full_name)
@models.permalink
def get_absolute_url(self):
return ('rpki.gui.app.views.ghostbuster_view', [str(self.pk)])
class Meta:
ordering = ( 'family_name', 'given_name' )
class Timestamp(models.Model):
"""Model to hold metadata about the collection of external data.
This model is a hash table mapping a timestamp name to the
timestamp value. The timestamp value has `auto_now=True` so it
merely needs to be saved to be updated."""
name = models.CharField(max_length=30, primary_key=True)
ts = models.DateTimeField(null=False, auto_now=True)
def __unicode__(self):
return self.name
# vim:sw=4 ts=8 expandtab
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