如何在 django auth 密码验证器旁边使用自定义密码验证器?
How to use custom password validators beside the django auth password validators?
正如上面提到的问题,我会尝试在注册过程中使用某种额外的规则来验证密码。
额外的规则应该是,如果密码至少包含一位数字、一个字母和一个特殊字符,则该密码有效。
我解决这个问题的方法我创建了一个名为 validators.py 的文件。
from django.core.exceptions import ValidationError
class CustomPasswortValidator:
def validate(value):
# check for digit
if not any(char.isdigit() for char in value):
raise ValidationError(_('Password must contain at least 1 digit.'))
# check for letter
if not any(char.isalpha() for char in value):
raise ValidationError(_('Password must contain at least 1 letter.'))
# check for special character
special_characters = "[~\!@#$%\^&\*\(\)_\+{}\":;'\[\]]"
if not any(char in special_characters for char in value):
raise ValidationError(_('Password must contain at least 1 letter.'))
我的自定义注册表如下所示:
from django import forms
from django.contrib.auth.forms import UserCreationForm
from django.contrib.auth.models import User
class RegistrationForm(UserCreationForm):
first_name = forms.CharField(max_length=30, required=False,
help_text='Optional.')
last_name = forms.CharField(max_length=30, required=False,
help_text='Optional.')
email = forms.EmailField(max_length=254, help_text='Required. Inform a valid email address.')
class Meta:
model = User
fields = ('username', 'first_name', 'last_name', 'email', 'password1', 'password2', )
我不明白我是怎么告诉 django 的,我的自定义密码验证器应该在 django 旁边使用 AUTH_PASSWORD_VALIDATORS。
所以,正如e4c5所说,它真的很简单明了。
我的 CustomPasswordValidator 看起来像这样:
from django.core.exceptions import ValidationError
from django.utils.translation import ugettext as _
class CustomPasswordValidator():
def __init__(self, min_length=1):
self.min_length = min_length
def validate(self, password, user=None):
special_characters = "[~\!@#$%\^&\*\(\)_\+{}\":;'\[\]]"
if not any(char.isdigit() for char in password):
raise ValidationError(_('Password must contain at least %(min_length)d digit.') % {'min_length': self.min_length})
if not any(char.isalpha() for char in password):
raise ValidationError(_('Password must contain at least %(min_length)d letter.') % {'min_length': self.min_length})
if not any(char in special_characters for char in password):
raise ValidationError(_('Password must contain at least %(min_length)d special character.') % {'min_length': self.min_length})
def get_help_text(self):
return ""
只需将它添加到 settings.py 中的 AUTH_PASSWORD_VALIDATORS 列表即可!
AUTH_PASSWORD_VALIDATORS = [
{
'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
},
{
'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
},
{
'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
},
{
'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
},
{ 'NAME': 'registration.validators.CustomPasswordValidator',
},]
正如上面提到的问题,我会尝试在注册过程中使用某种额外的规则来验证密码。 额外的规则应该是,如果密码至少包含一位数字、一个字母和一个特殊字符,则该密码有效。
我解决这个问题的方法我创建了一个名为 validators.py 的文件。
from django.core.exceptions import ValidationError
class CustomPasswortValidator:
def validate(value):
# check for digit
if not any(char.isdigit() for char in value):
raise ValidationError(_('Password must contain at least 1 digit.'))
# check for letter
if not any(char.isalpha() for char in value):
raise ValidationError(_('Password must contain at least 1 letter.'))
# check for special character
special_characters = "[~\!@#$%\^&\*\(\)_\+{}\":;'\[\]]"
if not any(char in special_characters for char in value):
raise ValidationError(_('Password must contain at least 1 letter.'))
我的自定义注册表如下所示:
from django import forms
from django.contrib.auth.forms import UserCreationForm
from django.contrib.auth.models import User
class RegistrationForm(UserCreationForm):
first_name = forms.CharField(max_length=30, required=False,
help_text='Optional.')
last_name = forms.CharField(max_length=30, required=False,
help_text='Optional.')
email = forms.EmailField(max_length=254, help_text='Required. Inform a valid email address.')
class Meta:
model = User
fields = ('username', 'first_name', 'last_name', 'email', 'password1', 'password2', )
我不明白我是怎么告诉 django 的,我的自定义密码验证器应该在 django 旁边使用 AUTH_PASSWORD_VALIDATORS。
所以,正如e4c5所说,它真的很简单明了。
我的 CustomPasswordValidator 看起来像这样:
from django.core.exceptions import ValidationError
from django.utils.translation import ugettext as _
class CustomPasswordValidator():
def __init__(self, min_length=1):
self.min_length = min_length
def validate(self, password, user=None):
special_characters = "[~\!@#$%\^&\*\(\)_\+{}\":;'\[\]]"
if not any(char.isdigit() for char in password):
raise ValidationError(_('Password must contain at least %(min_length)d digit.') % {'min_length': self.min_length})
if not any(char.isalpha() for char in password):
raise ValidationError(_('Password must contain at least %(min_length)d letter.') % {'min_length': self.min_length})
if not any(char in special_characters for char in password):
raise ValidationError(_('Password must contain at least %(min_length)d special character.') % {'min_length': self.min_length})
def get_help_text(self):
return ""
只需将它添加到 settings.py 中的 AUTH_PASSWORD_VALIDATORS 列表即可!
AUTH_PASSWORD_VALIDATORS = [
{
'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
},
{
'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
},
{
'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
},
{
'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
},
{ 'NAME': 'registration.validators.CustomPasswordValidator',
},]