from django.utils.deprecation import MiddlewareMixin

from .cookies import CookieJWTAuthentication


class JWTAuthenticationMiddleware(MiddlewareMixin):
    """Populates request.user from JWT cookie if present."""

    def process_request(self, request):
        if not hasattr(request, "user") or request.user.is_anonymous:
            auth = CookieJWTAuthentication()
            try:
                user, token = auth.authenticate(request)
                if user:
                    request.user = user
                    request.auth = token
            except Exception:
                pass