mediagoblin/tools/request.py

   1 # GNU MediaGoblin -- federated, autonomous media hosting
   2 # Copyright (C) 2011, 2012 MediaGoblin contributors.  See AUTHORS.
   3 #
   4 # This program is free software: you can redistribute it and/or modify
   5 # it under the terms of the GNU Affero General Public License as published by
   6 # the Free Software Foundation, either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU Affero General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU Affero General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 import logging
  18 from mediagoblin.db.models import User
  19
  20 _log = logging.getLogger(__name__)
  21
  22
  23 def setup_user_in_request(request):
  24     """
  25     Examine a request and tack on a request.user parameter if that's
  26     appropriate.
  27     """
  28     if 'user_id' not in request.session:
  29         request.user = None
  30         return
  31
  32     request.user = User.query.get(request.session['user_id'])
  33
  34     if not request.user:
  35         # Something's wrong... this user doesn't exist?  Invalidate
  36         # this session.
  37         _log.warn("Killing session for user id %r", request.session['user_id'])
  38         request.session.invalidate()