django-solomon 0.1.2

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django-solomon

A Django app for passwordless authentication using magic links.

Features

• Passwordless authentication using magic links sent via email
• Configurable link expiration time
• Blacklist functionality to block specific email addresses
• Support for auto-creating users when they request a magic link
• Customizable templates for emails and pages
• Compatible with Django's authentication system

Installation

pip install django-solomon

Configuration

1. Add django_solomon to your INSTALLED_APPS in your Django settings:

INSTALLED_APPS = [
    # ...
    'django_solomon',
    # ...
]

2. Add the authentication backend to your settings:

AUTHENTICATION_BACKENDS = [
    'django_solomon.backends.MagicLinkBackend',
    'django.contrib.auth.backends.ModelBackend',  # Keep the default backend
]

3. Include the django-solomon URLs in your project's urls.py:

from django.urls import include, path

urlpatterns = [
    # ...
    path('auth/', include('django_solomon.urls')),
    # ...
]

4. Set the login URL in your settings to use django-solomon's login view:

LOGIN_URL = 'django_solomon:login'

This ensures that when users need to authenticate, they'll be redirected to the magic link login page.

5. Configure your email settings to ensure emails can be sent:

EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'
EMAIL_HOST = 'smtp.example.com'
EMAIL_PORT = 587
EMAIL_USE_TLS = True
EMAIL_HOST_USER = '[e-mail]'
EMAIL_HOST_PASSWORD = 'your-password'
DEFAULT_FROM_EMAIL = '[e-mail]'

Settings

django-solomon provides several settings that you can customize in your Django settings file:

Setting	Default	Description
SOLOMON_LINK_EXPIRATION	300	The expiration time for magic links in seconds
SOLOMON_ONLY_ONE_LINK_ALLOWED	True	If enabled, only one active magic link is allowed per user
SOLOMON_CREATE_USER_IF_NOT_FOUND	False	If enabled, creates a new user when a magic link is requested for a non-existent email
SOLOMON_LOGIN_REDIRECT_URL	settings.LOGIN_REDIRECT_URL	The URL to redirect to after successful authentication
SOLOMON_ALLOW_ADMIN_LOGIN	True	If enabled, allows superusers to log in using magic links
SOLOMON_ALLOW_STAFF_LOGIN	True	If enabled, allows staff users to log in using magic links
SOLOMON_MAIL_TEXT_TEMPLATE	"django_solomon/email/magic_link.txt"	The template to use for plain text magic link emails
SOLOMON_MAIL_MJML_TEMPLATE	"django_solomon/email/magic_link.mjml"	The template to use for HTML magic link emails (MJML format)
SOLOMON_LOGIN_FORM_TEMPLATE	"django_solomon/base/login_form.html"	The template to use for the login form page
SOLOMON_INVALID_MAGIC_LINK_TEMPLATE	"django_solomon/base/invalid_magic_link.html"	The template to use for the invalid magic link page
SOLOMON_MAGIC_LINK_SENT_TEMPLATE	"django_solomon/base/magic_link_sent.html"	The template to use for the magic link sent confirmation page

Usage

Basic Usage

1. Direct users to the magic link request page at /auth/magic-link/
2. Users enter their email address
3. A magic link is sent to their email
4. Users click the link in their email
5. They are authenticated and redirected to the success URL

Template Customization

You can override the default templates by creating your own versions in your project:

• django_solomon/login_form.html - The form to request a magic link
• django_solomon/magic_link_sent.html - The confirmation page after a magic link is sent
• django_solomon/invalid_magic_link.html - The error page for invalid magic links
• django_solomon/email/magic_link.txt - The plain text email template for the magic link
• django_solomon/email/magic_link.mjml - The HTML email template for the magic link (in MJML format)

Alternatively, you can specify custom templates using the settings variables:

• SOLOMON_LOGIN_FORM_TEMPLATE - Custom template for the login form
• SOLOMON_MAGIC_LINK_SENT_TEMPLATE - Custom template for the confirmation page
• SOLOMON_INVALID_MAGIC_LINK_TEMPLATE - Custom template for the error page
• SOLOMON_MAIL_TEXT_TEMPLATE - Custom template for the plain text email
• SOLOMON_MAIL_MJML_TEMPLATE - Custom template for the HTML email (MJML format)

Programmatic Usage

You can also use django-solomon programmatically in your views:

from django.contrib.auth import authenticate, login
from django_solomon.models import MagicLink

# Create a magic link for a user
magic_link = MagicLink.objects.create_for_user(user)

# Authenticate a user with a token
user = authenticate(request=request, token=token)
if user:
    login(request, user)

License

This software is licensed under MIT license.

Contributing

Contributions are welcome! Please feel free to submit a Pull Request on Codeberg.