django-gar 4.1.0

Handle login and ticket validation for french GAR

django-gar

Django app to handle CAS authentication and resource management for the french Gestionnaire d'Accès aux Ressources (GAR).

Features

• CAS authentication with GAR
• Institution management with subscription tracking
• Allocation monitoring for resources
• Caching of GAR data (allocations, subscriptions, ENT IDs)
• Admin interface for institution management
• CSV export of allocation reports

Installation

Install with pip:

pip install django-gar

Setup

In order to make django-gar work, you'll need to follow these steps:

1. Settings

Add the required configuration to your settings:

INSTALLED_APPS = (
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.sessions',
    'django.contrib.messages',

    'django_gar',
    ...
)

MIDDLEWARE_CLASSES = (
    'django.middleware.common.CommonMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    
    'django_gar.middleware.GARMiddleware', # mandatory
    ...
)

AUTHENTICATION_BACKENDS = (
    'django.contrib.auth.backends.ModelBackend',
    
    'django_gar.backends.GARBackend',
    ...
)

2. Migrations

Run migrations to create the necessary database tables:

python manage.py migrate

3. Required Settings

Configure these mandatory settings:

# GAR Connection Settings
GAR_BASE_URL = "https://idp-auth.partenaire.test-gar.education.fr/"
GAR_BASE_SUBSCRIPTION_URL = "https://abonnement.partenaire.test-gar.education.fr/"
GAR_SUBSCRIPTION_PREFIX = "your_prefix"
GAR_DISTRIBUTOR_ID = "your_distributor_id"

# Authentication Certificates
GAR_CERTIFICATE_PATH = "/path/to/your/cert.pem"
GAR_KEY_PATH = "/path/to/your/key.pem"

# Resource Configuration
GAR_RESOURCES_ID = "your_resource_id"
GAR_ORGANIZATION_NAME = "Your Organization"

Optional settings with their defaults:

GAR_ACTIVE_USER_REDIRECT = "/"  # Redirect after successful login
GAR_INACTIVE_USER_REDIRECT = "/"  # Redirect for inactive users
GAR_QUERY_STRING_TRIGGER = "sso_id"  # URL parameter for SSO

Management Commands

refresh_gar_caches

Updates GAR data caches for institutions.

# Refresh all institutions
python manage.py refresh_gar_caches

# Refresh specific institution
python manage.py refresh_gar_caches --uai=0123456A

The command updates:

• Resource allocation data
• Subscription information

Use cases:

• Initial setup of new institutions
• Manual cache refresh
• Troubleshooting GAR integration

refresh_gar_idents

Updates ENT IDs for all institutions from GAR.

python manage.py refresh_gar_idents

The command:

• Fetches the latest institution list from GAR
• Updates the ENT IDs (id_ent) for all matching institutions
• Performs updates in bulk for better performance

Use cases:

• Initial setup of new institutions
• Bulk update of ENT IDs
• Synchronizing with GAR institution list

Testing

Run tests with pytest:

# Install test dependencies
pip install -r test_requirements.txt

# Run tests
pytest

Contributing

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