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# Copyright (C) 2011 SPARTA, Inc. dba Cobham Analytic Solutions
# Copyright (C) 2013 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.views.generic import DetailView
from django.shortcuts import render
from django.db.models import F
from rpki.gui.cacheview import models, forms, misc
from rpki.resource_set import resource_range_as, resource_range_ip
from rpki.POW import IPAddress
from rpki.exceptions import BadIPResource
def cert_chain(obj):
"""
returns an iterator covering all certs from the root cert down to the EE.
"""
chain = [obj]
while obj != obj.issuer:
obj = obj.issuer
chain.append(obj)
return zip(range(len(chain)), reversed(chain))
class SignedObjectDetailView(DetailView):
def get_context_data(self, **kwargs):
context = super(SignedObjectDetailView,
self).get_context_data(**kwargs)
context['chain'] = cert_chain(self.object)
return context
class RoaDetailView(SignedObjectDetailView):
model = models.ROA
class CertDetailView(SignedObjectDetailView):
model = models.Cert
class GhostbusterDetailView(SignedObjectDetailView):
model = models.Ghostbuster
def search_view(request):
certs = None
roas = None
if request.method == 'POST':
form = forms.SearchForm2(request.POST, request.FILES)
if form.is_valid():
resource = form.cleaned_data.get('resource')
# try to determine the type of input given
try:
r = resource_range_as.parse_str(resource)
certs = models.Cert.objects.filter(asns__min__gte=r.min,
asns__max__lte=r.max)
roas = models.ROA.objects.filter(asid__gte=r.min,
asid__lte=r.max)
except:
try:
r = resource_range_ip.parse_str(resource)
if r.version == 4:
certs = models.Cert.objects.filter(
addresses__prefix_min__lte=r.min,
addresses__prefix_max__gte=r.max)
roas = models.ROA.objects.filter(
prefixes__prefix_min__lte=r.min,
prefixes__prefix_max__gte=r.max)
else:
certs = models.Cert.objects.filter(
addresses_v6__prefix_min__lte=r.min,
addresses_v6__prefix_max__gte=r.max)
roas = models.ROA.objects.filter(
prefixes_v6__prefix_min__lte=r.min,
prefixes_v6__prefix_max__gte=r.max)
except BadIPResource:
pass
return render(request, 'cacheview/search_result.html',
{'resource': resource, 'certs': certs, 'roas': roas})
def cmp_prefix(x, y):
r = cmp(x[0].family, y[0].family)
if r == 0:
r = cmp(x[2], y[2]) # integer address
if r == 0:
r = cmp(x[0].bits, y[0].bits)
if r == 0:
r = cmp(x[0].max_length, y[0].max_length)
if r == 0:
r = cmp(x[1].asid, y[1].asid)
return r
#def cmp_prefix(x,y):
# for attr in ('family', 'prefix', 'bits', 'max_length'):
# r = cmp(getattr(x[0], attr), getattr(y[0], attr))
# if r:
# return r
# return cmp(x[1].asid, y[1].asid)
def query_view(request):
"""
Allow the user to search for an AS or prefix, and show all published ROA
information.
"""
if request.method == 'POST':
form = forms.SearchForm(request.POST, request.FILES)
if form.is_valid():
certs = None
roas = None
addr = form.cleaned_data.get('addr')
asn = form.cleaned_data.get('asn')
if addr:
family, r = misc.parse_ipaddr(addr)
prefixes = models.ROAPrefix.objects.filter(family=family, prefix=str(r.min))
prefix_list = []
for pfx in prefixes:
for roa in pfx.roas.all():
prefix_list.append((pfx, roa))
elif asn:
r = resource_range_as.parse_str(asn)
roas = models.ROA.objects.filter(asid__gte=r.min, asid__lte=r.max)
# display the results sorted by prefix
prefix_list = []
for roa in roas:
for pfx in roa.prefixes.all():
addr = IPAddress(pfx.prefix.encode())
prefix_list.append((pfx, roa, addr))
prefix_list.sort(cmp=cmp_prefix)
return render('cacheview/query_result.html',
{'object_list': prefix_list}, request)
else:
form = forms.SearchForm()
return render('cacheview/search_form.html', {
'form': form, 'search_type': 'ROA '}, request)
def global_summary(request):
"""Display a table summarizing the state of the global RPKI."""
roots = models.Cert.objects.filter(issuer=F('pk')) # self-signed
return render(request, 'cacheview/global_summary.html', {
'roots': roots
})
# vim:sw=4 ts=8 expandtab
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