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Django Mail Auth

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.. figure:: sample.png :width: 425 :alt: screenshot from a login form

Django Mail Auth is a lightweight authentication backend for Django, that does not require users to remember passwords.

Django Mail Auth features:

• custom user model support
• drop in Django admin support
• drop in Django User replacement
• drop in Wagtail login replacement
• extendable SMS support

This project was inspired by:

• Is it time for password-less login?_ by Ben Brown_
• LOGIN WITHOUT PASSWORD MOST SECURE | WAIT.. WHAT?_ by Joris Snoek_
• django-nopassword_ by Rolf Erik Lekang_

.. _Rolf Erik Lekang: http://rolflekang.com .. _django-nopassword: https://github.com/relekang/django-nopassword .. _Is it time for password-less login?: http://notes.xoxco.com/post/27999787765/is-it-time-for-password-less-login .. _LOGIN WITHOUT PASSWORD MOST SECURE | WAIT.. WHAT?: https://www.lucius.digital/en/blog/login-without-password-most-secure-wait-what .. _Ben Brown: http://twitter.com/benbrown .. _Joris Snoek: https://twitter.com/lucius_digital

Installation

Run this command to install django-mail-auth::

python3 -m pip install django-mail-auth[wagtail]

Setup

First add mailauth to you installed apps:

.. code-block:: python

INSTALLED_APPS = [
    # Django's builtin apps…

    'mailauth',

    'mailauth.contrib.admin',  # optional
    'mailauth.contrib.user',  # optional

    # optional, must be included before "wagtail.admin"
    'mailauth.contrib.wagtail',


    # other apps…
]

mailauth.contrib.admin is optional and will replace the admin's login with token based authentication too.

mailauth.contrib.user is optional and provides a new Django User model. The new User model needs to be enabled via the AUTH_USER_MODEL setting:

.. code-block:: python

# This setting should be either "EmailUser" or
# any custom subclass of "AbstractEmailUser"
AUTH_USER_MODEL = 'mailauth_user.EmailUser'

# optional, Wagtail only
WAGTAILUSERS_PASSWORD_ENABLED = False

Next you will need to add the new authentication backend:

.. code-block:: python

AUTHENTICATION_BACKENDS = (
    # default, but now optional
    # This should be removed if you use mailauth.contrib.user or any other
    # custom user model that does not have a username/password
    'django.contrib.auth.backends.ModelBackend',

    # The new access token based authentication backend
    'mailauth.backends.MailAuthBackend',
)

Django's ModelBackend is only needed, if you still want to support password based authentication. If you don't, simply remove it from the list.

Last but not least, go to your URL root configuration urls.py and add the following:

.. code-block:: python

from django.urls import path


urlpatterns = [
    path('accounts/', include('mailauth.urls')),

    # optional, must be before "wagtail.admin.urls"
    path('', include('mailauth.contrib.wagtail.urls')),
]

That's it!

.. note:: Don't forget to setup you Email backend!

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