52 lines
1.3 KiB
Python
Executable File
52 lines
1.3 KiB
Python
Executable File
#!/bin/python3
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import os
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import sys
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import logging
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import argparse
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from lib import decryption_functs
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logging.basicConfig(format='%(levelname)s\t- %(message)s')
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logger = logging.getLogger()
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logger.setLevel(logging.INFO)
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#send to stdout contents of decrypted file
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# encrypted file - encryption metadata
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def decryptFile(args):
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parser = argparse.ArgumentParser()
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parser.add_argument('encrypted', nargs='?', default=None)
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parser.add_argument('metadata', nargs='?', default=None)
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args = parser.parse_args()
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if len(args) != 2:
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logger.error("Need encrypted file and it's metadata.")
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sys.exit(-1)
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# If first argument is not a file or not found
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if (not os.path.isfile(args.encrypted)):
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logger.error("File '" + args.encrypted + "' not found.")
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sys.exit(-1)
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if (not os.path.isfile(args.metadata)):
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logger.error("File '" + args.metadata + "' not found.")
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sys.exit(-1)
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#Get private key to decrypt
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privateKey = decryption_functs.load_private_key(args.metadata)
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#Decrypt file
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with open(args.encrypted, 'rb') as f:
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content = f.read()
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content = decryption_functs.decrypt_file(privateKey, content)
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# Send decrypted content to stdout
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sys.stdout.write(content)
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if __name__ == '__main__':
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decryptFile(sys.argv[1:])
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