46 lines
1.2 KiB
Python
46 lines
1.2 KiB
Python
|
#!/usr/bin/env python3
|
||
|
|
"""
|
||
|
|
Some custom validators for the user model.
|
||
|
|
"""
|
||
|
|
from django.core.validators import BaseValidator
|
||
|
|
from django.core.exceptions import ValidationError
|
||
|
|
|
||
|
|
class MaximumLengthValidator:
|
||
|
|
"""
|
||
|
|
Validate whether the password exceeds a maximum length.
|
||
|
|
"""
|
||
|
|
def __init__(self, max_length=1024):
|
||
|
|
self.max_length = max_length
|
||
|
|
|
||
|
|
def validate(self, password, user=None):
|
||
|
|
if len(password) > self.max_length:
|
||
|
|
raise ValidationError(
|
||
|
|
"This password is too long. It must contain at most " \
|
||
|
|
+ f"{self.max_length} characters.",
|
||
|
|
code="password_too_long",
|
||
|
|
params={'max_length': self.max_length}
|
||
|
|
)
|
||
|
|
|
||
|
|
def get_help_text(self):
|
||
|
|
msg = f"Your password must contain less than {self.max_length} " \
|
||
|
|
+ "characters."
|
||
|
|
return msg
|
||
|
|
|
||
|
|
|
||
|
|
class CharValidator(BaseValidator):
|
||
|
|
"""
|
||
|
|
Raises a ValidationError with a code of 'invalid_chars' if value is not
|
||
|
|
a string or contains letters which are not also within limit_value.
|
||
|
|
"""
|
||
|
|
message = 'Ensure this value only contains the characters "%(limit_value)s".'
|
||
|
|
code = 'invalid_chars'
|
||
|
|
|
||
|
|
def compare(self, value, limit_value):
|
||
|
|
assert type(limit_value) == str
|
||
|
|
if type(value) != str:
|
||
|
|
return True
|
||
|
|
for c in value:
|
||
|
|
if c not in limit_value:
|
||
|
|
return True
|
||
|
|
return False
|