2024-08-26 10:34:56 +02:00
|
|
|
import json
|
|
|
|
import sys
|
2024-08-26 11:40:23 +02:00
|
|
|
from getpass import getpass
|
2024-08-26 13:53:00 +02:00
|
|
|
from hashlib import sha256
|
2024-08-26 10:34:56 +02:00
|
|
|
|
2024-08-26 12:00:16 +02:00
|
|
|
PWDB_PATH = 'pwdb.json'
|
2024-08-26 11:03:02 +02:00
|
|
|
|
2024-08-26 10:34:56 +02:00
|
|
|
def get_credentials():
|
|
|
|
username = input('Enter your username: ')
|
2024-08-26 14:31:17 +02:00
|
|
|
hashed_password = pwhash(getpass('Enter your password: '))
|
|
|
|
return (username, hashed_password)
|
2024-08-26 10:34:56 +02:00
|
|
|
|
2024-08-26 14:31:17 +02:00
|
|
|
def authenticate(username, hashed_password, pwdb):
|
|
|
|
return hashed_password == pwdb[username]
|
2024-08-26 10:34:56 +02:00
|
|
|
|
|
|
|
def add_user(username, pwdb):
|
2024-08-26 14:48:08 +02:00
|
|
|
pwdb[username] = pwhash(getpass(f'Enter password for {username}: '))
|
2024-08-26 10:34:56 +02:00
|
|
|
return pwdb
|
|
|
|
|
2024-08-26 12:00:16 +02:00
|
|
|
def read_pwdb(PWDB_PATH):
|
2024-08-26 10:34:56 +02:00
|
|
|
try:
|
2024-08-26 12:00:16 +02:00
|
|
|
pwdb_file = open(PWDB_PATH, 'rt')
|
2024-08-26 10:34:56 +02:00
|
|
|
pwdb = json.load(pwdb_file)
|
|
|
|
except Exception:
|
|
|
|
pwdb = {}
|
|
|
|
return pwdb
|
|
|
|
|
2024-08-26 12:00:16 +02:00
|
|
|
def write_pwdb(pwdb, PWDB_PATH):
|
|
|
|
pwdb_file = open(PWDB_PATH, 'wt')
|
2024-08-26 10:34:56 +02:00
|
|
|
json.dump(pwdb, pwdb_file)
|
|
|
|
|
2024-08-26 11:08:10 +02:00
|
|
|
|
2024-08-26 13:53:00 +02:00
|
|
|
def pwhash(pwd):
|
2024-08-26 14:31:04 +02:00
|
|
|
encoded_pwd = pwd.encode("utf-8")
|
|
|
|
m = sha256()
|
|
|
|
m.update(encoded_pwd)
|
|
|
|
return m.hexdigest()
|
|
|
|
|
|
|
|
|
2024-08-26 13:53:00 +02:00
|
|
|
|
2024-08-26 11:08:10 +02:00
|
|
|
if __name__ == "__main__":
|
2024-08-26 12:00:16 +02:00
|
|
|
PWDB_PATH = 'pwdb.json'
|
|
|
|
pwdb = read_pwdb(PWDB_PATH)
|
2024-08-26 11:08:10 +02:00
|
|
|
|
|
|
|
if len(sys.argv) > 1:
|
|
|
|
pwdb = add_user(sys.argv[1], pwdb)
|
2024-08-26 12:00:16 +02:00
|
|
|
write_pwdb(pwdb, PWDB_PATH)
|
2024-08-26 10:34:56 +02:00
|
|
|
else:
|
2024-08-26 11:08:10 +02:00
|
|
|
username, password = get_credentials()
|
|
|
|
if username not in pwdb:
|
|
|
|
print('Wrong username!')
|
2024-08-26 10:34:56 +02:00
|
|
|
else:
|
2024-08-26 11:08:10 +02:00
|
|
|
if authenticate(username, password, pwdb):
|
|
|
|
print('Successfully authenticated!')
|
|
|
|
else:
|
|
|
|
print('Wrong password!')
|
2024-08-26 11:03:02 +02:00
|
|
|
|