64 lines
2.1 KiB
Python
64 lines
2.1 KiB
Python
# GNU MediaGoblin -- federated, autonomous media hosting
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# Copyright (C) 2013 MediaGoblin contributors. See AUTHORS.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import itsdangerous
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import logging
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import crypto
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_log = logging.getLogger(__name__)
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class Session(dict):
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def save(self):
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self.send_new_cookie = True
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def is_updated(self):
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return getattr(self, 'send_new_cookie')
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def delete(self):
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self.clear()
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self.save()
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class SessionManager(object):
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def __init__(self, cookie_name='MGSession', namespace=None):
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if namespace is None:
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namespace = cookie_name
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self.signer = crypto.get_timed_signer_url(namespace)
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self.cookie_name = cookie_name
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def load_session_from_cookie(self, request):
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cookie = request.cookies.get(self.cookie_name)
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if not cookie:
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return Session()
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### FIXME: Future cookie-blacklisting code
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# m = BadCookie.query.filter_by(cookie = cookie)
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# if m:
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# _log.warn("Bad cookie received: %s", m.reason)
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# raise BadRequest()
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try:
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return Session(self.signer.loads(cookie))
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except itsdangerous.BadData:
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return Session()
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def save_session_to_cookie(self, session, response):
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if not session.is_updated:
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return
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elif not session:
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response.delete_cookie(self.cookie_name)
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else:
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response.set_cookie(self.cookie_name, self.signer.dumps(session))
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