https://github.com/dstufft/django-passwords

https://github.com/dstufft/django-passwords

Last synced: 4 months ago
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• Host: GitHub
• URL: https://github.com/dstufft/django-passwords
• Owner: dstufft
• License: bsd-2-clause
• Created: 2011-06-09T19:08:48.000Z (about 13 years ago)
• Default Branch: master
• Last Pushed: 2022-09-29T10:14:30.000Z (over 1 year ago)
• Last Synced: 2024-02-07T03:02:50.984Z (5 months ago)
• Language: Python
• Homepage:
• Size: 104 KB
• Stars: 251
• Watchers: 9
• Forks: 81
• Open Issues: 13
• Metadata Files:
  • Readme: README.rst
  • License: LICENSE

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README

        
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Django Passwords

================

django-passwords is a reusable app that provides a form field and

validators that check the strength of a password.

Installation

------------

You can install django-passwords with pip by typing::

    pip install django-passwords

Or with easy_install by typing::

    easy_install django-passwords

Or manually by downloading a tarball and typing::

    python setup.py install

Compatibility

-------------

django-passwords is compatible with Django 1.3 through 1.9 RC1. Pythons 2.7

and 3.4 are both supported.

Settings

--------

django-passwords adds 6 optional settings

Optional:

    Specifies minimum length for passwords:

    .. code-block:: python

        PASSWORD_MIN_LENGTH = 6 # Defaults to 6

    Specifies maximum length for passwords:

    .. code-block:: python

        PASSWORD_MAX_LENGTH = 120 # Defaults to None

    Specifies the location of a dictionary (file with one word per line):

    .. code-block:: python

        PASSWORD_DICTIONARY = "/usr/share/dict/words" # Defaults to None

    Specifies how close a fuzzy match has to be to be considered a match:

    .. code-block:: python

        PASSWORD_MATCH_THRESHOLD = 0.9 # Defaults to 0.9, should be 0.0 - 1.0 where 1.0 means exactly the same.

    Specifies a list of common sequences to attempt to match a password against:

    .. code-block:: python

        PASSWORD_COMMON_SEQUENCES = [] # Should be a list of strings, see passwords/validators.py for default

    Specifies number of characters within various sets that a password must contain:

    .. code-block:: python

        PASSWORD_COMPLEXITY = { # You can omit any or all of these for no limit for that particular set

            "UPPER": 1,        # Uppercase

            "LOWER": 1,        # Lowercase

            "LETTERS": 1,       # Either uppercase or lowercase letters

            "DIGITS": 1,       # Digits

            "SPECIAL": 1,      # Not alphanumeric, space or punctuation character

            "WORDS": 1         # Words (alphanumeric sequences separated by a whitespace or punctuation character)

        }

Usage

-----

To use the formfield simply import it and use it:

.. code-block:: python

    from django import forms

    from passwords.fields import PasswordField

    class ExampleForm(forms.Form):

        password = PasswordField(label="Password")

You can make use of the validators on your own fields:

.. code-block:: python

    from django import forms

    from passwords.validators import dictionary_words

    field = forms.CharField(validators=[dictionary_words])

You can also create custom validator instances to specify your own

field-specific configurations, rather than using the global

configurations:

.. code-block:: python

    from django import forms

    from passwords.validators import (

        DictionaryValidator, LengthValidator, ComplexityValidator)

    field = forms.CharField(validators=[

        DictionaryValidator(words=['banned_word'], threshold=0.9),

        LengthValidator(min_length=8),

        ComplexityValidator(complexities=dict(

            UPPER=1,

            LOWER=1,

            DIGITS=1

        )),

    ])

Django's `password validation API`_ is slightly different than the form

validation API and has wrappers in the `auth_password_validators` module:

.. code-block:: python

    AUTH_PASSWORD_VALIDATORS = [

        …,

        {"NAME": "passwords.auth_password_validators.ComplexityValidator"}

    ]

.. _`password validation API`: https://docs.djangoproject.com/en/2.1/topics/auth/passwords/#password-validation