81 lines
2.1 KiB
Python
81 lines
2.1 KiB
Python
import re
|
|
|
|
import crack
|
|
|
|
from django.core import validators
|
|
from django.core.exceptions import ValidationError
|
|
from django.utils.translation import ugettext_lazy as _
|
|
from IPy import IP
|
|
|
|
|
|
def validate_ipv4_address(value):
|
|
msg = _("%s is not a valid IPv4 address") % value
|
|
try:
|
|
ip = IP(value)
|
|
except:
|
|
raise ValidationError(msg)
|
|
if ip.version() != 4:
|
|
raise ValidationError(msg)
|
|
|
|
|
|
|
|
def validate_ipv6_address(value):
|
|
msg = _("%s is not a valid IPv6 address") % value
|
|
try:
|
|
ip = IP(value)
|
|
except:
|
|
raise ValidationError(msg)
|
|
if ip.version() != 6:
|
|
raise ValidationError(msg)
|
|
|
|
|
|
def validate_ip_address(value):
|
|
msg = _("%s is not a valid IP address") % value
|
|
try:
|
|
ip = IP(value)
|
|
except:
|
|
raise ValidationError(msg)
|
|
|
|
|
|
def validate_name(value):
|
|
"""
|
|
A single non-empty line of free-form text with no whitespace.
|
|
"""
|
|
validators.RegexValidator('^[\.\w\-]+$',
|
|
_("Enter a valid name (text without whitspaces)."), 'invalid')(value)
|
|
|
|
|
|
def validate_ascii(value):
|
|
try:
|
|
value.decode('ascii')
|
|
except UnicodeDecodeError:
|
|
raise ValidationError('This is not an ASCII string.')
|
|
|
|
|
|
def validate_hostname(hostname):
|
|
"""
|
|
Ensures that each segment
|
|
* contains at least one character and a maximum of 63 characters
|
|
* consists only of allowed characters
|
|
* doesn't begin or end with a hyphen.
|
|
http://stackoverflow.com/a/2532344
|
|
"""
|
|
if len(hostname) > 255:
|
|
return False
|
|
if hostname[-1] == ".":
|
|
hostname = hostname[:-1] # strip exactly one dot from the right, if present
|
|
allowed = re.compile("(?!-)[A-Z\d-]{1,63}(?<!-)$", re.IGNORECASE)
|
|
return all(allowed.match(x) for x in hostname.split("."))
|
|
|
|
|
|
def validate_password(value):
|
|
try:
|
|
crack.VeryFascistCheck(value)
|
|
except ValueError, message:
|
|
raise ValidationError("Password %s." % str(message)[3:])
|
|
|
|
|
|
def validate_url_path(value):
|
|
if not re.match(r'^\/[/.a-zA-Z0-9-_]*$', value):
|
|
raise ValidationError(_('"%s" is not a valid URL path.') % value)
|