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# -*- coding: utf-8 -*-
# url_mapper.py
# Copyright (C) 2013 LEAP
#
# 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/>.
"""
An URL mapper that represents authorized paths.
"""
from routes.mapper import Mapper
from leap.soledad.common import SHARED_DB_NAME
from leap.soledad.common.l2db import DBNAME_CONSTRAINTS
class URLMapper(object):
"""
Maps the URLs users can access.
"""
def __init__(self):
self._map = Mapper(controller_scan=None)
self._connect_urls()
self._map.create_regs()
def match(self, path, method):
environ = {'PATH_INFO': path, 'REQUEST_METHOD': method}
return self._map.match(environ=environ)
def _connect(self, pattern, http_methods):
self._map.connect(
None, pattern, http_methods=http_methods,
conditions=dict(method=http_methods),
requirements={'dbname': DBNAME_CONSTRAINTS})
def _connect_urls(self):
"""
Register the authorization info in the mapper using C{SHARED_DB_NAME}
as the user's database name.
This method sets up the following authorization rules:
URL path | Authorized actions
----------------------------------------------------
/ | GET
/robots.txt | GET
/shared-db | GET
/shared-db/doc/{any_id} | GET, PUT, DELETE
/user-{uuid}/sync-from/{source} | GET, PUT, POST
/blobs/{uuid}/{blob_id} | GET, PUT, DELETE, POST
/blobs/{uuid} | GET
/incoming/ | PUT
"""
# global resource
self._connect('/', ['GET'])
# robots
self._connect('/robots.txt', ['GET'])
# shared-db database resource
self._connect('/%s' % SHARED_DB_NAME, ['GET'])
# shared-db doc resource
self._connect('/%s/doc/{id:.*}' % SHARED_DB_NAME,
['GET', 'PUT', 'DELETE'])
# user-db sync resource
self._connect('/user-{uuid}/sync-from/{source_replica_uid}',
['GET', 'PUT', 'POST'])
# blobs resource
self._connect('/blobs/{uuid}/{blob_id}',
['GET', 'PUT', 'DELETE', 'POST'])
self._connect('/blobs/{uuid}/', ['GET'])
# incoming resource
self._connect('/incoming/{target_user_uuid}/{incoming_id}', ['PUT'])
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