Synnefo

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from functools import wraps

from django.http import HttpResponse

from astakos.im.cookie import CookieHandler

def cookie_fix(func):

    """

    Decorator checks whether the request.user conforms

    with the astakos cookie and if not it fixes it.

    """

    @wraps(func)

    def wrapper(request, *args, **kwargs):

        cookie = CookieHandler(request)

        if not cookie.is_valid:

            # redirect to request path to set/delete the cookie

            response = HttpResponse(status=302)

            response['Location'] = request.get_full_path()

            cookie.fix(response)

            return response

        response = func(request, *args, **kwargs)

        # if the user authentication status has changed during the processing

        # set/delete the cookie appropriately

        if not cookie.is_valid:

            cookie.fix(response)

        return response

    return wrapper