115 lines
4.2 KiB
Python
115 lines
4.2 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import time
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import hashlib
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import hmac
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try:
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import simplejson as json
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except ImportError:
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import json # type: ignore # noqa: F401
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from libcloud.utils.py3 import httplib
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from libcloud.utils.py3 import urlencode
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from libcloud.common.base import ConnectionUserAndKey, JsonResponse
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from libcloud.common.types import InvalidCredsError, LibcloudError
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from libcloud.storage.base import Container, StorageDriver
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class NimbusResponse(JsonResponse):
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valid_response_codes = [httplib.OK, httplib.NOT_FOUND, httplib.CONFLICT,
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httplib.BAD_REQUEST]
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def success(self):
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return self.status in self.valid_response_codes
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def parse_error(self):
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if self.status in [httplib.UNAUTHORIZED]:
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raise InvalidCredsError(self.body)
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raise LibcloudError('Unknown error. Status code: %d' % (self.status),
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driver=self.connection.driver)
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class NimbusConnection(ConnectionUserAndKey):
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host = 'nimbus.io'
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responseCls = NimbusResponse
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def __init__(self, *args, **kwargs):
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self.id = kwargs.pop('id')
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super(NimbusConnection, self).__init__(*args, **kwargs)
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def pre_connect_hook(self, params, headers):
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timestamp = str(int(time.time()))
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signature = self._calculate_signature(user_id=self.user_id,
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method=self.method,
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params=params,
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path=self.action,
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timestamp=timestamp,
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key=self.key)
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headers['X-NIMBUS-IO-Timestamp'] = timestamp
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headers['Authorization'] = 'NIMBUS.IO %s:%s' % (self.id, signature)
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return params, headers
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def _calculate_signature(self, user_id, method, params, path, timestamp,
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key):
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if params:
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uri_path = path + '?' + urlencode(params)
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else:
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uri_path = path
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string_to_sign = [user_id, method, str(timestamp), uri_path]
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string_to_sign = '\n'.join(string_to_sign)
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hmac_value = hmac.new(key, string_to_sign, hashlib.sha256)
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return hmac_value.hexdigest()
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class NimbusStorageDriver(StorageDriver):
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name = 'Nimbus.io'
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website = 'https://nimbus.io/'
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connectionCls = NimbusConnection
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def __init__(self, *args, **kwargs):
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self.user_id = kwargs['user_id']
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super(NimbusStorageDriver, self).__init__(*args, **kwargs)
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def iterate_containers(self):
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response = self.connection.request('/customers/%s/collections' %
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(self.user_id))
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return self._to_containers(response.object)
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def create_container(self, container_name):
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params = {'action': 'create', 'name': container_name}
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response = self.connection.request('/customers/%s/collections' %
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(self.user_id),
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params=params,
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method='POST')
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return self._to_container(response.object)
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def _to_containers(self, data):
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for item in data:
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yield self._to_container(item)
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def _to_container(self, data):
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name = data[0]
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extra = {'date_created': data[2]}
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return Container(name=name, extra=extra, driver=self)
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def _ex_connection_class_kwargs(self):
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result = {'id': self.user_id}
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return result
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