binder/binder/forms.py

111 lines
3.8 KiB
Python

# Binder Forms
# 3rd Party
from django import forms
from django.conf import settings
from django.contrib import messages
from django.core import validators
from django.forms import ValidationError
# App Imports
from binder.models import Key
class CustomUnicodeListField(forms.CharField):
"""Convert unicode item list to list of strings."""
def clean(self, value):
try:
string_list = [str(cur_rr) for cur_rr in eval(value)]
except:
raise ValidationError("Error in converting Unicode list to list "
"of strings: %r" % value)
return string_list
class CustomStringPeriodSuffix(forms.CharField):
"""Convert unicode to string and make sure period is last character.
This seems very unclean. Need a better to way to complete the fqdn
depending on if it ends in a period.
TODO(jforman): Add Regex check in here for valid rr data
http://www.zytrax.com/books/dns/apa/names.html
"""
def clean(self, value):
try:
new_string = str(value)
if new_string[-1] != ".":
new_string += "."
except:
raise ValidationError("Unable to stick a period on the end of "
"your input: %r" % value)
return new_string
class FormAddForwardRecord(forms.Form):
"""Form used to add a Forward DNS record."""
dns_server = forms.CharField(max_length=100)
record_name = forms.RegexField(max_length=100,
regex="^[a-zA-Z0-9-_]+$",
required=False)
record_type = forms.ChoiceField(choices=settings.RECORD_TYPE_CHOICES)
zone_name = forms.CharField(max_length=100)
record_data = forms.CharField(max_length=100)
ttl = forms.ChoiceField(choices=settings.TTL_CHOICES)
create_reverse = forms.BooleanField(required=False)
key_name = forms.ModelChoiceField(queryset=Key.objects.all(), required=True)
def clean(self):
cleaned_data = super(FormAddForwardRecord, self).clean()
record_type = cleaned_data.get("record_type")
record_data = cleaned_data.get("record_data")
if record_type in ("A", "AAAA"):
try:
validators.validate_ipv46_address(record_data)
except:
raise ValidationError("Invalid IP Address.")
class FormAddReverseRecord(forms.Form):
"""Form used to add a Reverse (PTR) DNS record."""
dns_server = forms.CharField(max_length=100)
record_name = forms.IntegerField(min_value=0, max_value=255)
record_type = forms.RegexField(regex=r"^PTR$",
error_messages={
"invalid": "The only valid choice here "
"is PTR."})
zone_name = forms.CharField(max_length=100)
record_data = CustomStringPeriodSuffix(required=True)
ttl = forms.ChoiceField(choices=settings.TTL_CHOICES)
create_reverse = forms.BooleanField(required=False)
key_name = forms.ModelChoiceField(queryset=Key.objects.all(), required=True)
class FormAddCnameRecord(forms.Form):
"""Form used to add a CNAME record."""
dns_server = forms.CharField(max_length=100)
originating_record = forms.CharField(max_length=100)
cname = forms.RegexField(max_length=100, regex="^[a-zA-Z0-9-_]+$")
zone_name = forms.CharField(max_length=256)
ttl = forms.ChoiceField(choices=settings.TTL_CHOICES)
key_name = forms.ModelChoiceField(queryset=Key.objects.all(), required=True)
class FormDeleteRecord(forms.Form):
"""Final form to delete DNS record(s)."""
dns_server = forms.CharField(max_length=100)
zone_name = forms.CharField(max_length=256)
rr_list = CustomUnicodeListField()
key_name = forms.ModelChoiceField(queryset=Key.objects.all(), required=True)