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43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
# Copyright (c) 2015-2018 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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# SPDX-FileCopyrightText: 2015-2018 The Bitcoin Core developers
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#
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# SPDX-License-Identifier: GPL-3.0-or-later
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from argparse import ArgumentParser
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from base64 import urlsafe_b64encode
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from binascii import hexlify
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from getpass import getpass
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from os import urandom
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import hmac
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def generate_salt(size):
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"""Create size byte hex salt"""
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return hexlify(urandom(size)).decode()
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def generate_password():
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"""Create 32 byte b64 password"""
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return urlsafe_b64encode(urandom(32)).decode('utf-8')
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def password_to_hmac(salt, password):
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m = hmac.new(bytearray(salt, 'utf-8'), bytearray(password, 'utf-8'), 'SHA256')
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return m.hexdigest()
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def get_data(username: str, password=None):
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# If no password is given, then get it from generate_password()
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if password is None:
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password = generate_password()
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# Create 16 byte hex salt
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salt = generate_salt(16)
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password_hmac = password_to_hmac(salt, password)
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return {
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'conf_data': 'rpcauth={0}:{1}${2}'.format(username, salt, password_hmac),
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'auth': '{0}:{1}${2}'.format(username, salt, password_hmac),
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'password': password
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}
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