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from __future__ import annotations
import getpass
import signal
import sys
import time
from typing import Any, Optional, TYPE_CHECKING
from ..menu import Menu
from ..output import log
if TYPE_CHECKING:
_: Any
# used for signal handler
SIG_TRIGGER = None
def check_password_strong(passwd: str) -> bool:
symbol_count = 0
if any(character.isdigit() for character in passwd):
symbol_count += 10
if any(character.isupper() for character in passwd):
symbol_count += 26
if any(character.islower() for character in passwd):
symbol_count += 26
if any(not character.isalnum() for character in passwd):
symbol_count += 40
if symbol_count**len(passwd) < 10e20:
prompt = _("The password you are using seems to be weak,")
prompt += _("are you sure you want to use it?")
choice = Menu(prompt, ["yes", "no"], default_option="yes").run()
return choice == "yes"
return True
def get_password(prompt: str = '') -> Optional[str]:
if not prompt:
prompt = _("Enter a password: ")
while passwd := getpass.getpass(prompt):
if len(passwd.strip()) <= 0:
break
if not check_password_strong(passwd):
continue
passwd_verification = getpass.getpass(prompt=_('And one more time for verification: '))
if passwd != passwd_verification:
log(' * Passwords did not match * ', fg='red')
continue
return passwd
return None
def do_countdown() -> bool:
SIG_TRIGGER = False
def kill_handler(sig: int, frame: Any) -> None:
print()
exit(0)
def sig_handler(sig: int, frame: Any) -> None:
global SIG_TRIGGER
SIG_TRIGGER = True
signal.signal(signal.SIGINT, kill_handler)
original_sigint_handler = signal.getsignal(signal.SIGINT)
signal.signal(signal.SIGINT, sig_handler)
for i in range(5, 0, -1):
print(f"{i}", end='')
for x in range(4):
sys.stdout.flush()
time.sleep(0.25)
print(".", end='')
if SIG_TRIGGER:
prompt = _('Do you really want to abort?')
choice = Menu(prompt, ['yes', 'no'], skip=False).run()
if choice == 'yes':
exit(0)
if SIG_TRIGGER is False:
sys.stdin.read()
SIG_TRIGGER = False
signal.signal(signal.SIGINT, sig_handler)
print()
signal.signal(signal.SIGINT, original_sigint_handler)
return True
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