jellyfin-accounts/jellyfin_accounts/validate_password.py

specials = ['[', '@', '_', '!', '#', '$', '%', '^', '&', '*', '(', ')',
            '<', '>', '?', '/', '\\', '|', '}', '{', '~', ':', ']']

class PasswordValidator:
    def __init__(self, min_length, upper, number, special):
        self.criteria = {'characters': int(min_length),
                         'uppercase characters': int(upper),
                         'numbers': int(number),
                         'special characters': int(special)}
    def validate(self, password):
        count = {'characters': 0,
                 'uppercase characters': 0,
                 'numbers': 0,
                 'special characters': 0}
        for c in password:
            count['characters'] += 1
            if c.isupper():
                count['uppercase characters'] += 1
            elif c.isnumeric():
                count['numbers'] += 1
            elif c in specials:
                count['special characters'] += 1
        for criterion in count:
            if count[criterion] < self.criteria[criterion]:
                count[criterion] = False
            else:
                count[criterion] = True
        return count
    def getCriteria(self):
        lines = {}
        for criterion in self.criteria:
            min = self.criteria[criterion]
            if min > 0:
                text = f"Must have at least {min} "
                if min == 1:
                    text += criterion[:-1]
                else:
                    text += criterion
                lines[criterion] = text
        return lines