Django-pwned - A collection of django password validators

Last update: Jun 27, 2022

Related tags

Django django-pwned

Overview

Django Pwned

A collection of django password validators.

Compatibility

Python: 3.6, 3.7, 3.8, 3.9, 3.10
Django: 3.2, 4.0

Installation

pip install django-pwned

For translations to work, add django_pwned to INSTALLED_APPS.

TL;DR:

AUTH_PASSWORD_VALIDATORS = [
    {"NAME": "django.contrib.auth.password_validation.UserAttributeSimilarityValidator"},
    {"NAME": "django_pwned.validators.GitHubLikePasswordValidator"},
    {"NAME": "django_pwned.validators.MinimumUniqueCharactersPasswordValidator"},
    {"NAME": "django_pwned.validators.PwnedPasswordValidator"},
]

Validators

PwnedPasswordValidator(request_timeout=1.5)

This validator uses the Pwned Passwords API to check for compromised passwords.

Internally, this validator checks password with django's CommonPasswordValidator and if password was not in django's list, uses Pwned API to check password. So you can remove CommonPasswordValidator if you're using this validator.

AUTH_PASSWORD_VALIDATORS = [
    # ...
    # {"NAME": "django.contrib.auth.password_validation.CommonPasswordValidator"},
    {"NAME": "django_pwned.validators.PwnedPasswordValidator"},
    # ...
]

You can set the API request timeout with the request_timeout parameter (in seconds).

If for any reason (connection issues, timeout, ...) the request to Pwned API fails, this validator skips checking password.

GitHubLikePasswordValidator(min_length=8, safe_length=15)

Validates whether the password is at least:

8 characters long, if it includes a number and a lowercase letter, or
15 characters long with any combination of characters

Based on Github's documentation about creating a strong password.

You may want to disable Django's NumericPasswordValidator and MinimumLengthValidator if you want to use GitHubLikePasswordValidator.

The minimum number of characters can be customized with the min_length parameter. The length at which we remove the restriction about requiring both number and lowercase letter can be customized with the safe_length parameter.

MinimumUniqueCharactersPasswordValidator(min_unique_characters=4)

Validates whether the password contains at least 4 unique characters. For example aaaaaaaaaabbbbbbccc is an invalid password, but aAbB is a valid password.

The minimum number of unique characters can be customized with the min_unique_characters parameter.

Development

Create and activate a python virtualenv.
Install development dependencies in your virtualenv: pip install -e '.[dev]'
Install pre-commit hooks: pre-commit install
Run tests with coverage: py.test --cov

License

MIT

Comments

Strip commas from the counts returned by the pwnedpasswords API
I've been running this library for a few days on a production site, and have seen this error just once so far.

I tried with a list of dictionary words, and trying to validate 'afternoon' will fail with:

ValueError: invalid literal for int() with base 10: '2,203'

Looking at the response for https://api.pwnedpasswords.com/range/7A10F, it includes this line which causes the error:

399752FEDFA1FE7DDC7AFD2BB36615886D2:2,203
opened by ashokdelphia 2

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Django-pwned - A collection of django password validators

Related tags

Overview

Django Pwned

Compatibility

Installation

TL;DR:

Validators

PwnedPasswordValidator(request_timeout=1.5)

GitHubLikePasswordValidator(min_length=8, safe_length=15)

MinimumUniqueCharactersPasswordValidator(min_unique_characters=4)

Development

License

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Comments

Strip commas from the counts returned by the pwnedpasswords API

Releases(v1.1.2)

v1.1.2(Jul 14, 2022)

v1.1.1(Jan 22, 2022)

v1.1.0(Jan 19, 2022)

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