def get_users_priv_cubes():
user = generate_user()
cube = generate_cube()
info = generate_info()
r = remote(*ADDR)
register(r, user, cube, info)
users_list = list_users(r)
priv_cubes = {}
base_cube_inversed = Cube().move("U R' U' F'")
for server_user in users_list:
if server_user == user:
continue
server_user_pub_cube = get_users_pub_cube(r, server_user)
priv_cubes[server_user] = [
Cube(server_user_pub_cube).multiply(base_cube_inversed.pow(i))
for i in range(7)
]
_exit(r)
r.close()
return priv_cubes
class AuthManager:
def __init__(self, db):
self.db = db
self.base_cube = Cube().move("F U R U'")
def login(self):
print("Your name:")
login = input("> ")
if not self.db.check_user(login):
print('There are no user with your login! Register first!')
return
pub_cube, priv_key, info = self.db.get_user_data(login)
print(f'Give me your cube:')
try:
priv_cube = Cube.from_str(input("> ").strip())
except Exception:
print("This is not a cube!")
return
if priv_cube.multiply(self.base_cube.pow(priv_key)) != pub_cube:
print('Wrong cube!')
return
print(f'Hello!\nYour public cube is {pub_cube.as_str()}')
return login, pub_cube, info
def register(self):
print("Your name:")
login = input("> ")
if self.db.check_user(login):
print('There exist user with your login!')
return
print('Give me your cube:')
try:
priv_cube = Cube.from_str(input("> ").strip())
except Exception:
print("This is not a cube!")
return
priv_key = randint(1, ORDER)
pub_cube = priv_cube.multiply(self.base_cube.pow(priv_key))
print('Anything about yourself:')
info = input("> ")
self.db.set_user_data(login, pub_cube, priv_key, info)
print(f'Hello!\nYour public cube is {pub_cube.as_str()}')
return login, pub_cube, info
def process(self):
print(MENU)
try:
_input = int(input("> ").strip())
except Exception:
return
if _input == 0:
print("Bye bye!")
return
elif _input == 1:
user = self.register()
elif _input == 2:
user = self.login()
else:
return
if user is None:
return
return user