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Additional libraries for validating passwords in Django.

Project description

Additional libraries for validating passwords in Django 2.2.25 or later.

django-password-validators requires Django 2.2.25 or greater.

The application works well under python 4.x, 3.x and 2.x versions.

Django version after the number 1.9, allows you to configure password validation. Configuration validation is placed under the variable AUTH_PASSWORD_VALIDATORS.

Installation

Just install django-password-validators via pip:

$ pip install django-password-validators

Validators

UniquePasswordsValidator

Validator checks if the password was once used by a particular user. If the password is used, then an exception is thrown, of course.

For each user, all the passwords are stored in a database. All passwords are strongly encrypted.

Configuration…

In the file settings.py we add

 INSTALLED_APPS = [
     ...
     'django_password_validators',
     'django_password_validators.password_history',
     ...
 ]

AUTH_PASSWORD_VALIDATORS = [
    ...
    {
        'NAME': 'django_password_validators.password_history.password_validation.UniquePasswordsValidator',
        'OPTIONS': {
             # How many recently entered passwords matter.
             # Passwords out of range are deleted.
             # Default: 0 - All passwords entered by the user. All password hashes are stored.
            'last_passwords': 5 # Only the last 5 passwords entered by the user
        }
    },
    ...
]

# If you want, you can change the default hasher for the password history.
# DPV_DEFAULT_HISTORY_HASHER = 'django_password_validators.password_history.hashers.HistoryHasher'

And run

python manage.py migrate

PasswordCharacterValidator

The validator checks for the minimum number of characters of a given type.

In the file settings.py we add

 INSTALLED_APPS = [
     ...
     'django_password_validators',
     ...
 ]

AUTH_PASSWORD_VALIDATORS = [
    ...
    {
        'NAME': 'django_password_validators.password_character_requirements.password_validation.PasswordCharacterValidator',
        'OPTIONS': {
             'min_length_digit': 1,
             'min_length_alpha': 2,
             'min_length_special': 3,
             'min_length_lower': 4,
             'min_length_upper': 5,
             'special_characters': "~!@#$%^&*()_+{}\":;'[]"
         }
    },
    ...
]

Project details


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