Synnefo

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from time import time, mktime

from django.conf import settings

from pithos.im.models import User

class AuthMiddleware(object):

    def process_request(self, request):

        request.user = None

        # Try to find token in a parameter, in a request header, or in a cookie.

        token = request.GET.get('X-Auth-Token', None)

        if not token:

            token = request.META.get('HTTP_X_AUTH_TOKEN', None)

        if not token:

            token = request.COOKIES.get('X-Auth-Token', None)

        if not token:

            return

        # Token was found, retrieve user from backing store.

        try:

            user = User.objects.get(auth_token=token)

        except:

            return

        # Check if the is active.

        if user.state != 'ACTIVE':

            return

        # Check if the token has expired.

        if (time() - mktime(user.auth_token_expires.timetuple())) > 0:

            return

        request.user_obj = user

        request.user = user.uniq