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# passerelle - uniform access to multiple data sources and services
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# Copyright (C) 2021 Entr'ouvert
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Affero General Public License as published
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# by 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 urllib.parse
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def get_url_origin(url):
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'''Build origin of an URL'''
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parsed = urllib.parse.urlparse(url)
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if ':' in parsed.netloc:
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host, port = parsed.netloc.split(':', 1)
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if parsed.scheme == 'http' and port == 80:
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port = None
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if parsed.scheme == 'https' and port == 443:
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port = None
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else:
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host, port = parsed.netloc, None
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result = '%s://%s' % (parsed.scheme, host)
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if port:
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result += ':%s' % port
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return result
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def is_same_origin(url1, url2):
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if 'null' in [url1, url2] or not url1 or not url2:
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return False
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try:
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origin1 = get_url_origin(url1)
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origin2 = get_url_origin(url2)
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except (ValueError, TypeError):
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return False
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return origin1 == origin2
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-
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