tabby-web/backend/tabby/app/api/auth.py

from django.conf import settings
from django.contrib.auth import logout
from rest_framework.response import Response
from rest_framework.views import APIView


# Provider configuration: maps backend names to their display info
# and the environment variable prefix used to detect if they're configured
PROVIDER_CONFIG = {
    'github': {
        'name': 'GitHub',
        'icon': 'github',
        'cls': 'btn-primary',
        'env_prefix': 'SOCIAL_AUTH_GITHUB',
    },
    'gitlab': {
        'name': 'GitLab',
        'icon': 'gitlab',
        'cls': 'btn-warning',
        'env_prefix': 'SOCIAL_AUTH_GITLAB',
    },
    'google-oauth2': {
        'name': 'Google',
        'icon': 'google',
        'cls': 'btn-secondary',
        'env_prefix': 'SOCIAL_AUTH_GOOGLE_OAUTH2',
    },
    'microsoft-graph': {
        'name': 'Microsoft',
        'icon': 'microsoft',
        'cls': 'btn-light',
        'env_prefix': 'SOCIAL_AUTH_MICROSOFT_GRAPH',
    },
    'auth0': {
        'name': 'Auth0',
        'icon': 'key',  # Using key icon as Auth0 doesn't have a FA brand icon
        'cls': 'btn-dark',
        'env_prefix': 'SOCIAL_AUTH_AUTH0',
    },
}


def is_provider_configured(env_prefix: str) -> bool:
    """Check if a provider has both KEY and SECRET configured."""
    key = getattr(settings, f'{env_prefix}_KEY', None)
    secret = getattr(settings, f'{env_prefix}_SECRET', None)
    # For Auth0, also need DOMAIN
    if env_prefix == 'SOCIAL_AUTH_AUTH0':
        domain = getattr(settings, f'{env_prefix}_DOMAIN', None)
        return bool(key and secret and domain)
    return bool(key and secret)


class LogoutView(APIView):
    def post(self, request, format=None):
        logout(request)
        return Response(None)


class ProvidersView(APIView):
    """Returns list of configured authentication providers."""

    def get(self, request, format=None):
        providers = []
        for provider_id, config in PROVIDER_CONFIG.items():
            if is_provider_configured(config['env_prefix']):
                providers.append({
                    'id': provider_id,
                    'name': config['name'],
                    'icon': config['icon'],
                    'cls': config['cls'],
                })
        return Response(providers)