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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 functools import wraps
from webob import exc
from mediagoblin.tools.pluginapi import PluginManager
_log = logging.getLogger(__name__)
def api_auth(controller):
@wraps(controller)
def wrapper(request, *args, **kw):
auth_candidates = []
for auth in PluginManager().get_hook_callables('auth'):
_log.debug('Plugin auth: {0}'.format(auth))
if auth.trigger(request):
auth_candidates.append(auth)
# If we can't find any authentication methods, we should not let them
# pass.
if not auth_candidates:
return exc.HTTPForbidden()
# For now, just select the first one in the list
auth = auth_candidates[0]
_log.debug('Using {0} to authorize request {1}'.format(
auth, request.url))
if not auth(request, *args, **kw):
return exc.HTTPForbidden()
return controller(request, *args, **kw)
return wrapper
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