52 lines
2.1 KiB
Python
52 lines
2.1 KiB
Python
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#!/usr/bin/env python3
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# cryptomator-utils: Python utilities for inspecting Cryptomator drives
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# Copyright (C) 2024-2025 Lee Yingtong Li (RunasSudo)
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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 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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#
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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 <https://www.gnu.org/licenses/>.
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from lib_cryptomator_utils.cryptomator import directory_path_to_id, encrypt_filename, hash_directory_id, load_vault_config
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import os
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import sys
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def main():
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if len(sys.argv) < 3:
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print('Get the encrypted filename for a single file from a Cryptomator drive', file=sys.stderr)
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print('', file=sys.stderr)
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print('Usage: {} /path/to/vault.cryptomator /plaintext/path/within/drive'.format(sys.argv[0]), file=sys.stderr)
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sys.exit(1)
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# Parse CLI arguments
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vault_config_path = sys.argv[1]
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target_file = sys.argv[2]
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vault_path = os.path.split(vault_config_path)[0]
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# Load vault config (asks for password)
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primary_master_key, hmac_master_key = load_vault_config(vault_config_path)
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# Resolve the parent directory of the file
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target_file_parts = target_file.strip('/').split('/')
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directory_id = directory_path_to_id(vault_path, primary_master_key, hmac_master_key, '/'.join(target_file_parts[:-1]))
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# Get the encrypted filename
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hashed_directory_id = hash_directory_id(primary_master_key, hmac_master_key, directory_id)
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encrypted_filename = encrypt_filename(primary_master_key, hmac_master_key, directory_id, target_file_parts[-1])
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print(os.path.join('d', hashed_directory_id[:2], hashed_directory_id[2:], encrypted_filename))
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if __name__ == '__main__':
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main()
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