CustomerGauge\Password\Rule\Blacklist

Complexity

Total Complexity

4

Size/Duplication

Total Lines	23
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes	1
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__invoke()	0	7	3
A	__construct()	0	4	1

<?php
/*
    Password Strength Library
    Copyright (C) 2019 CustomerGauge
    foss@customergauge.com

    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 3 of the License, or (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with this program; if not, write to the Free Software Foundation,
    Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

declare(strict_types=1);

namespace CustomerGauge\Password\Rule;

use CustomerGauge\Password\Exception\InBlacklist;
use CustomerGauge\Password\Rule;

use function mb_strpos;
use function mb_strtolower;

final class Blacklist implements Rule
{
    /** @var string[] */
    private array $words;

    private string $encoding;

    /**
     * @param string[] $words
     */
    public function __construct(array $words, string $encoding = 'utf8')
    {
        $this->words    = $words;
        $this->encoding = $encoding;
    }

    public function __invoke(string $password): void
    {
        $password = mb_strtolower($password, $this->encoding);
        foreach ($this->words as $word) {
            $word = mb_strtolower($word, $this->encoding);
            if (mb_strpos($password, $word, 0, $this->encoding) !== false) {
                throw InBlacklist::contains($word);
            }
        }
    }
}