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23740eaa3d
During the migration the automated script to update the copyright headers accidentally got rid of some of the existing copyright lines. Reinstate them.
39 lines
1.1 KiB
Python
39 lines
1.1 KiB
Python
#
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# This file is licensed under the Affero General Public License (AGPL) version 3.
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#
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# Copyright 2019 The Matrix.org Foundation C.I.C.
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# Copyright (C) 2023 New Vector, Ltd
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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
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# See the GNU Affero General Public License for more details:
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# <https://www.gnu.org/licenses/agpl-3.0.html>.
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#
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# Originally licensed under the Apache License, Version 2.0:
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# <http://www.apache.org/licenses/LICENSE-2.0>.
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#
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# [This file includes modifications made by New Vector Limited]
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#
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#
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import hashlib
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import unpaddedbase64
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def sha256_and_url_safe_base64(input_text: str) -> str:
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"""SHA256 hash an input string, encode the digest as url-safe base64, and
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return
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Args:
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input_text: string to hash
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returns:
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A sha256 hashed and url-safe base64 encoded digest
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"""
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digest = hashlib.sha256(input_text.encode()).digest()
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return unpaddedbase64.encode_base64(digest, urlsafe=True)
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