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# GNU MediaGoblin -- federated, autonomous media hosting
# Copyright (C) 2011, 2012 MediaGoblin contributors. See AUTHORS.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import logging
from mediagoblin.db.util import ObjectId, InvalidId
_log = logging.getLogger(__name__)
def setup_user_in_request(request):
"""
Examine a request and tack on a request.user parameter if that's
appropriate.
"""
if not request.session.has_key('user_id'):
request.user = None
return
try:
oid = ObjectId(request.session['user_id'])
except InvalidId:
user = None
else:
user = request.db.User.find_one({'_id': oid})
if not user:
# Something's wrong... this user doesn't exist? Invalidate
# this session.
_log.warn("Killing session for user id %r", request.session['user_id'])
request.session.invalidate()
request.user = user
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