netbox-ddns/netbox_ddns/validators.py

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2020-04-15 00:56:20 +02:00
import base64
import binascii
from django.core.exceptions import ValidationError
from django.core.validators import RegexValidator, URLValidator
from django.utils.translation import gettext_lazy as _
class HostnameValidator(RegexValidator):
regex = r'^(' + URLValidator.hostname_re + r'((' + URLValidator.domain_re + URLValidator.tld_re + r')|\.?))$'
message = _('Enter a valid hostname.')
class HostnameAddressValidator(RegexValidator):
regex = '^(' + HostnameValidator.regex + '|' + URLValidator.ipv6_re + '|' + URLValidator.host_re + ')$'
message = _('Enter a valid hostname or IP address.')
def validate_base64(value):
try:
base64.b64decode(value, validate=True)
except binascii.Error:
raise ValidationError('Invalid base64 string')