From f2492ca574448fe4bd44604316da322720e70040 Mon Sep 17 00:00:00 2001 From: Daniel Girtler Date: Mon, 6 Jun 2022 21:04:50 +1000 Subject: Fix #1304 - Make password validation less intrusive (#1308) * Make password validation less intrusive * Update Co-authored-by: Daniel Girtler --- archinstall/lib/models/password_strength.py | 85 +++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 archinstall/lib/models/password_strength.py (limited to 'archinstall/lib/models/password_strength.py') diff --git a/archinstall/lib/models/password_strength.py b/archinstall/lib/models/password_strength.py new file mode 100644 index 00000000..61986bf0 --- /dev/null +++ b/archinstall/lib/models/password_strength.py @@ -0,0 +1,85 @@ +from enum import Enum + + +class PasswordStrength(Enum): + VERY_WEAK = 'very weak' + WEAK = 'weak' + MODERATE = 'moderate' + STRONG = 'strong' + + @property + def value(self): + match self: + case PasswordStrength.VERY_WEAK: return str(_('very weak')) + case PasswordStrength.WEAK: return str(_('weak')) + case PasswordStrength.MODERATE: return str(_('moderate')) + case PasswordStrength.STRONG: return str(_('strong')) + + def color(self): + match self: + case PasswordStrength.VERY_WEAK: return 'red' + case PasswordStrength.WEAK: return 'red' + case PasswordStrength.MODERATE: return 'yellow' + case PasswordStrength.STRONG: return 'green' + + @classmethod + def strength(cls, password: str) -> 'PasswordStrength': + digit = any(character.isdigit() for character in password) + upper = any(character.isupper() for character in password) + lower = any(character.islower() for character in password) + symbol = any(not character.isalnum() for character in password) + return cls._check_password_strength(digit, upper, lower, symbol, len(password)) + + @classmethod + def _check_password_strength( + cls, + digit: bool, + upper: bool, + lower: bool, + symbol: bool, + length: int + ) -> 'PasswordStrength': + # suggested evaluation + # https://github.com/archlinux/archinstall/issues/1304#issuecomment-1146768163 + if digit and upper and lower and symbol: + match length: + case num if 13 <= num: + return PasswordStrength.STRONG + case num if 11 <= num <= 12: + return PasswordStrength.MODERATE + case num if 7 <= num <= 10: + return PasswordStrength.WEAK + case num if num <= 6: + return PasswordStrength.VERY_WEAK + elif digit and upper and lower: + match length: + case num if 14 <= num: + return PasswordStrength.STRONG + case num if 11 <= num <= 13: + return PasswordStrength.MODERATE + case num if 7 <= num <= 10: + return PasswordStrength.WEAK + case num if num <= 6: + return PasswordStrength.VERY_WEAK + elif upper and lower: + match length: + case num if 15 <= num: + return PasswordStrength.STRONG + case num if 12 <= num <= 14: + return PasswordStrength.MODERATE + case num if 7 <= num <= 11: + return PasswordStrength.WEAK + case num if num <= 6: + return PasswordStrength.VERY_WEAK + elif lower or upper: + match length: + case num if 18 <= num: + return PasswordStrength.STRONG + case num if 14 <= num <= 17: + return PasswordStrength.MODERATE + case num if 9 <= num <= 13: + return PasswordStrength.WEAK + case num if num <= 8: + return PasswordStrength.VERY_WEAK + + return PasswordStrength.VERY_WEAK -- cgit v1.2.3-70-g09d2