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38 lines
1.1 KiB
38 lines
1.1 KiB
#
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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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