1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
#!/usr/bin/env python3
# Copyright (c) 2015-2021 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
from argparse import ArgumentParser
from getpass import getpass
from secrets import token_hex, token_urlsafe
import hmac
import json
def generate_salt(size):
"""Create size byte hex salt"""
return token_hex(size)
def generate_password():
"""Create 32 byte b64 password"""
return token_urlsafe(32)
def password_to_hmac(salt, password):
m = hmac.new(salt.encode('utf-8'), password.encode('utf-8'), 'SHA256')
return m.hexdigest()
def main():
parser = ArgumentParser(description='Create login credentials for a JSON-RPC user')
parser.add_argument('username', help='the username for authentication')
parser.add_argument('password', help='leave empty to generate a random password or specify "-" to prompt for password', nargs='?')
parser.add_argument("-j", "--json", help="output to json instead of plain-text", action='store_true')
args = parser.parse_args()
if not args.password:
args.password = generate_password()
elif args.password == '-':
args.password = getpass()
# Create 16 byte hex salt
salt = generate_salt(16)
password_hmac = password_to_hmac(salt, args.password)
if args.json:
odict={'username':args.username, 'password':args.password, 'rpcauth':f'{args.username}:{salt}${password_hmac}'}
print(json.dumps(odict))
else:
print('String to be appended to bitcoin.conf:')
print(f'rpcauth={args.username}:{salt}${password_hmac}')
print(f'Your password:\n{args.password}')
if __name__ == '__main__':
main()
|
