binder/binder/bcommon/views.py

137 lines
5.6 KiB
Python

# bcommon views
from bcommon.models import BindServer, Key
from django.template import Context
from django.shortcuts import render_to_response, redirect
from bcommon.helpers import add_record, delete_record
from bcommon.forms import FormAddRecord
from django.template import RequestContext
from bcommon.keyutils import create_keyring
import re
RE_UNICODEARRAY = re.compile(r"u'(.*?)'")
def home_index(request):
return render_to_response('index.htm')
def view_server_list(request):
""" List the DNS servers configured in the Django DB. """
server_list = BindServer.objects.all().order_by('hostname')
return render_to_response('bcommon/list_servers.htm',
{ "server_list" : server_list},
context_instance=RequestContext(request))
def view_server_zones(request, dns_server):
""" Display the list of DNS zones a particular DNS host provides. """
try:
this_server = BindServer.objects.get(hostname=dns_server)
zone_array = this_server.list_zones()
except BindServer.DoesNotExist, err:
return render_to_response('bcommon/list_server_zones.htm',
{ 'errors' : "The server %s does not exist in this Binder instance." % dns_server },
context_instance=RequestContext(request))
if 'errors' in zone_array:
return render_to_response('bcommon/list_server_zones.htm',
{ 'errors' : zone_array['errors'],
'error_context' : zone_array['error_context'] })
return render_to_response('bcommon/list_server_zones.htm',
{ 'zone_array' : zone_array,
'dns_server' : dns_server },
context_instance=RequestContext(request))
def view_zone_records(request, dns_server, zone_name):
""" Display the list of records for a a particular zone."""
try:
this_server = BindServer.objects.get(hostname=dns_server)
zone_array = this_server.list_zone_records(zone_name)
except Exception, err:
return render_to_response('bcommon/list_zone.htm',
{ 'errors' : err},
context_instance=RequestContext(request))
return render_to_response('bcommon/list_zone.htm',
{ 'zone_array' : zone_array,
'dns_server' : dns_server,
'zone_name' : zone_name},
context_instance=RequestContext(request))
def view_add_record(request, dns_server, zone):
""" View to provide form to add a DNS record. """
form = FormAddRecord(initial={ 'dns_server' : dns_server,
'zone' : zone })
return render_to_response('bcommon/add_record_form.htm',
{ 'form' : form },
context_instance=RequestContext(request))
def view_add_record_result(request):
""" Process the input given to add a DNS record. """
if request.method == "GET":
# Return home. You shouldn't be accessing this url via a GET.
return redirect('/')
form = FormAddRecord(request.POST)
if form.is_valid():
cd = form.cleaned_data
else:
form = FormAddRecord(request.POST)
return render_to_response('bcommon/add_record_form.htm',
{ 'form' : form },
context_instance=RequestContext(request))
try:
add_record_response = add_record(cd)
except Exception, err:
return render_to_response('bcommon/add_record_result.htm',
{ "errors" : err },
context_instance=RequestContext(request))
return render_to_response('bcommon/add_record_result.htm',
{ 'response' : add_record_response },
context_instance=RequestContext(request))
def view_delete_record(request):
if request.method == "GET":
# Return home. You shouldn't trying to directly acces
# the url for deleting records.
return redirect('/')
dns_server = request.POST['dns_server']
zone_name = request.POST['zone_name']
rr_array = request.POST.getlist('rr_array')
return render_to_response('bcommon/delete_record_initial.htm',
{ 'dns_server' : dns_server,
'zone_name' : zone_name,
'rr_array' : rr_array,
'tsig_keys' : Key.objects.all() },
context_instance=RequestContext(request))
def view_delete_result(request):
if request.method == "GET":
# Return home. You shouldn't trying to directly access
# the url for deleting records.
return redirect('/')
# What seems like an ugly hack to get around the fact
# that the array comes back as Unicode values.
rr_unicode_array = request.POST.getlist('rr_array')[0]
rr_items = RE_UNICODEARRAY.findall(rr_unicode_array)
try:
delete_result = delete_record(request.POST, rr_items)
except Exception, err:
return render_to_response('bcommon/delete_record_result.htm',
{ "errors" : err },
context_instance=RequestContext(request))
return render_to_response('bcommon/delete_record_result.htm',
{ 'delete_result' : delete_result },
context_instance=RequestContext(request))