2024-heraklion-git/auth.py
2024-08-26 15:30:59 +03:00

58 lines
1.4 KiB
Python

import json
import sys
from getpass import getpass
PWDB_PATH = 'pwdb.json'
def get_credentials():
username = input('Enter your username: ')
password = getpass('Enter your password: ')
return (username, password)
def authenticate(username, password, pwdb):
return hash_password(password) == pwdb[username]
def add_user(username, pwdb):
pwdb[username] = hash_password(input(f'Enter password for {username}: '))
return pwdb
def read_pwdb(PWDB_PATH):
try:
pwdb_file = open(PWDB_PATH, 'rt')
pwdb = json.load(pwdb_file)
except Exception:
pwdb = {}
return pwdb
def write_pwdb(pwdb, PWDB_PATH):
pwdb_file = open(PWDB_PATH, 'wt')
json.dump(pwdb, pwdb_file)
def hash_password(password):
hash_1 = 0
for c in password.split():
hash_1 += ord(c)
hash_2 = int(log(hash_1) * 100000)
hash_3 = 1
for d in list(str(hash_2)):
hash_3 *= ord(d)
return hash_3
if __name__ == "__main__":
PWDB_PATH = 'pwdb.json'
pwdb = read_pwdb(PWDB_PATH)
if len(sys.argv) > 1:
pwdb = add_user(sys.argv[1], pwdb)
write_pwdb(pwdb, PWDB_PATH)
else:
username, password = get_credentials()
if username not in pwdb:
print('Wrong username!')
else:
if authenticate(username, password, pwdb):
print('Successfully authenticated!')
else:
print('Wrong password!')