Hi Everybody,
Django currently ships with the following password validators:
UserAttributeSimilarityValidator
MinimumLengthValidator
CommonPasswordValidator
NumericPasswordValidator
However, it is typical nowadays to require uppercase, lowercase, at least a
numeric character and a non-alphanumeric character, or a symbol.
Is there any reason, why these not included in Django? I assume most
serious Django applications use them. A sample implementation:
class HasLowerCaseValidator:
def __init__(self):
self.message = "The password must contain at least one lowercase
character."
def validate(self, password, user=None):
if re.search('[a-z]', password) is None:
raise ValidationError(
self.message,
code='missing_lower_case',
)
def get_help_text(self):
return self.message
class HasUpperCaseValidator:
def __init__(self):
self.message = "The password must contain at least one uppercase
character."
def validate(self, password, user=None):
if re.search('[A-Z]', password) is None:
raise ValidationError(
self.message,
code='missing_upper_case',
)
def get_help_text(self):
return self.message
class HasNumberValidator:
def __init__(self):
self.message = "The password must contain at least one numeric character."
def validate(self, password, user=None):
if re.search('[0-9]', password) is None:
raise ValidationError(
self.message,
code='missing_numeric',
)
def get_help_text(self):
return self.message
class HasSymbolValidator:
def __init__(self):
self.message = "The password must contain at least one non-alphanumeric
character (symbol)."
def validate(self, password, user=None):
if re.search('[^A-Za-z0-9]', password) is None:
raise ValidationError(
self.message,
code='missing_symbol',
)
def get_help_text(self):
return self.message
Regards,
Mehmet
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