71 lines
2.8 KiB
Python
71 lines
2.8 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (c) 2014 CoNWeT Lab., Universidad Politécnica de Madrid
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# This file is part of CKAN Private Dataset Extension.
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# CKAN Private Dataset Extension is free software: you can redistribute it and/or
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# modify 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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# CKAN Private Dataset Extension 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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# You should have received a copy of the GNU Affero General Public License
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# along with CKAN Private Dataset Extension. If not, see <http://www.gnu.org/licenses/>.
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import re
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from urlparse import urlparse
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from ckan.common import request
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import ckan.plugins.toolkit as tk
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import six
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class FiWareNotificationParser(object):
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def parse_notification(self, request_data):
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my_host = request.host
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fields = ['customer_name', 'resources']
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for field in fields:
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if field not in request_data:
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raise tk.ValidationError({'message': '%s not found in the request' % field})
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# Parse the body
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resources = request_data['resources']
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user_name = request_data['customer_name']
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datasets = []
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if not isinstance(user_name, six.string_types):
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raise tk.ValidationError({'message': 'Invalid customer_name format'})
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if not isinstance(resources, list):
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raise tk.ValidationError({'message': 'Invalid resources format'})
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for resource in resources:
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if isinstance(resource, dict) and 'url' in resource:
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parsed_url = urlparse(resource['url'])
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dataset_name = re.findall('^/dataset/([^/]+).*$', parsed_url.path)
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resource_url = parsed_url.netloc
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if ':' in my_host and ':' not in resource_url:
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# Add the default port depending on the protocol
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default_port = '80' if parsed_url.protocol == 'http' else '443'
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resource_url = resource_url + default_port
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if len(dataset_name) == 1:
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if resource_url == my_host:
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datasets.append(dataset_name[0])
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else:
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raise tk.ValidationError({'message': 'Dataset %s is associated with the CKAN instance located at %s, expected %s'
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% (dataset_name[0], resource_url, my_host)})
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else:
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raise tk.ValidationError({'message': 'Invalid resource format'})
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return {'users_datasets': [{'user': user_name, 'datasets': datasets}]}
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