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# Copyright (C) 2012 Aleksey Lim
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from ConfigParser import ConfigParser
from os.path import join, exists
import active_document as ad
from sugar_network import node
from active_toolkit import enforce
_config = None
def validate(request, role):
enforce(_validate(request.principal, role), ad.Forbidden,
'No enough permissions to proceed the operation')
def try_validate(request, role):
return _validate(request.principal, role) or False
def _validate(user, role):
global _config
if _config is None:
_config = ConfigParser()
config_path = join(node.data_root.value, 'authorization.conf')
if exists(config_path):
_config.read(config_path)
if _config.has_option(user, role):
return _config.get(user, role).strip().lower() in \
('true', 'on', '1', 'allow')
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