PasswordUtil::randomPassword() - Code Metrics - nuxsmin/sysPass - Measure and Improve Code Quality continuously with Scrutinizer

PasswordUtil::randomPassword() C
last analyzed 2020-12-20 19:54 UTC

↳ Parent: PasswordUtil

Complexity

Conditions	12
Paths	152

Size

Total Lines	54
Code Lines	28

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	12
eloc	28
c	1
b	0
f	0
nc	152
nop	2
dl	0
loc	54
rs	6.5333

How to fix Long Method Complexity

<?php
/**
 * sysPass
 *
 * @author    nuxsmin
 * @link      https://syspass.org
 * @copyright 2012-2019, Rubén Domínguez nuxsmin@$syspass.org
 *
 * This file is part of sysPass.
 *
 * sysPass is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * sysPass 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 *  along with sysPass.  If not, see <http://www.gnu.org/licenses/>.
 */

namespace SP\Util;


use Defuse\Crypto\Core;
use Defuse\Crypto\Encoding;
use Defuse\Crypto\Exception\EnvironmentIsBrokenException;

/**
 * Class PasswordUtil
 *
 * @package SP\Util
 */
final class PasswordUtil
{
    const CHARS = 'abcdefghijklmnopqrstuwxyz';
    const CHARS_SPECIAL = '@$%&/()!_:.;{}^-';
    const CHARS_NUMBER = '0123456789';
    const FLAG_PASSWORD_NUMBER = 2;
    const FLAG_PASSWORD_SPECIAL = 4;
    const FLAG_PASSWORD_STRENGTH = 8;

    /**
     * Generate a ramdom password
     *
     * @param int $length Password length
     * @param int $flags  Password chars included and checking strength flags
     *
     * @return string
     */
    public static function randomPassword($length = 16, int $flags = null)
    {
        if ($flags === null) {
            $flags = self::FLAG_PASSWORD_SPECIAL | self::FLAG_PASSWORD_NUMBER | self::FLAG_PASSWORD_STRENGTH;
        }

        $useSpecial = ($flags & self::FLAG_PASSWORD_SPECIAL) > 0;
        $useNumbers = ($flags & self::FLAG_PASSWORD_NUMBER) > 0;

        $alphabet = self::CHARS . strtoupper(self::CHARS);

        if ($useSpecial) {
            $alphabet .= self::CHARS_SPECIAL;
        }

        if ($useNumbers) {
            $alphabet .= self::CHARS_NUMBER;
        }

        /**
         * @return array
         */
        $passGen = function () use ($alphabet, $length) {
            $pass = [];
            $alphaLength = strlen($alphabet) - 1; //put the length -1 in cache

            for ($i = 0; $i < $length; $i++) {
                $n = mt_rand(0, $alphaLength);
                $pass[] = $alphabet[$n];
            }

            return $pass;
        };

        if ($flags & self::FLAG_PASSWORD_STRENGTH) {
            do {
                $pass = $passGen();
                $strength = self::checkStrength($pass);

                $res = $strength['lower'] > 0 && $strength['upper'] > 0;

                if ($useSpecial === true) {
                    $res = $res && $strength['special'] > 0;
                }

                if ($useNumbers === true) {
                    $res = $res && $strength['number'] > 0;
                }
            } while ($res === false);

            return implode('', $pass);
        }

        return implode($passGen());
    }

    /**
     * @param array $pass
     *
     * @return array
     */
    public static function checkStrength(array $pass)
    {
        $charsUpper = strtoupper(self::CHARS);
        $strength = ['lower' => 0, 'upper' => 0, 'special' => 0, 'number' => 0];

        foreach ($pass as $char) {
            $strength['lower'] += substr_count(self::CHARS, $char);
            $strength['upper'] += substr_count($charsUpper, $char);
            $strength['special'] += substr_count(self::CHARS_SPECIAL, $char);
            $strength['number'] += substr_count(self::CHARS_NUMBER, $char);
        }

        return $strength;
    }

    /**
     * Generar una cadena aleatoria usuando criptografía.
     *
     * @param int $length opcional, con la longitud de la cadena
     *
     * @return string
     * @throws EnvironmentIsBrokenException
     */
    public static function generateRandomBytes($length = 30)
    {
        return Encoding::binToHex(Core::secureRandom($length));
    }
}

1			<?php
2			/**
3			* sysPass
4			*
5			* @author nuxsmin
6			* @link https://syspass.org
7			* @copyright 2012-2019, Rubén Domínguez nuxsmin@$syspass.org
8			*
9			* This file is part of sysPass.
10			*
11			* sysPass is free software: you can redistribute it and/or modify
12			* it under the terms of the GNU General Public License as published by
13			* the Free Software Foundation, either version 3 of the License, or
14			* (at your option) any later version.
15			*
16			* sysPass is distributed in the hope that it will be useful,
17			* but WITHOUT ANY WARRANTY; without even the implied warranty of
18			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19			* GNU General Public License for more details.
20			*
21			* You should have received a copy of the GNU General Public License
22			* along with sysPass. If not, see <http://www.gnu.org/licenses/>.
23			*/
24
25			namespace SP\Util;
26
27
28			use Defuse\Crypto\Core;
29			use Defuse\Crypto\Encoding;
30			use Defuse\Crypto\Exception\EnvironmentIsBrokenException;
31
32			/**
33			* Class PasswordUtil
34			*
35			* @package SP\Util
36			*/
37			final class PasswordUtil
38			{
39			const CHARS = 'abcdefghijklmnopqrstuwxyz';
40			const CHARS_SPECIAL = '@$%&/()!_:.;{}^-';
41			const CHARS_NUMBER = '0123456789';
42			const FLAG_PASSWORD_NUMBER = 2;
43			const FLAG_PASSWORD_SPECIAL = 4;
44			const FLAG_PASSWORD_STRENGTH = 8;
45
46			/**
47			* Generate a ramdom password
48			*
49			* @param int $length Password length
50			* @param int $flags Password chars included and checking strength flags
51			*
52			* @return string
53			*/
54			public static function randomPassword($length = 16, int $flags = null)
55			{
56			if ($flags === null) {
57			$flags = self::FLAG_PASSWORD_SPECIAL \| self::FLAG_PASSWORD_NUMBER \| self::FLAG_PASSWORD_STRENGTH;
58			}
59
60			$useSpecial = ($flags & self::FLAG_PASSWORD_SPECIAL) > 0;
61			$useNumbers = ($flags & self::FLAG_PASSWORD_NUMBER) > 0;
62
63			$alphabet = self::CHARS . strtoupper(self::CHARS);
64
65			if ($useSpecial) {
66			$alphabet .= self::CHARS_SPECIAL;
67			}
68
69			if ($useNumbers) {
70			$alphabet .= self::CHARS_NUMBER;
71			}
72
73			/**
74			* @return array
75			*/
76			$passGen = function () use ($alphabet, $length) {
77			$pass = [];
78			$alphaLength = strlen($alphabet) - 1; //put the length -1 in cache
79
80			for ($i = 0; $i < $length; $i++) {
81			$n = mt_rand(0, $alphaLength);
82			$pass[] = $alphabet[$n];
83			}
84
85			return $pass;
86			};
87
88			if ($flags & self::FLAG_PASSWORD_STRENGTH) {
89			do {
90			$pass = $passGen();
91			$strength = self::checkStrength($pass);
92
93			$res = $strength['lower'] > 0 && $strength['upper'] > 0;
94
95			if ($useSpecial === true) {
96			$res = $res && $strength['special'] > 0;
97			}
98
99			if ($useNumbers === true) {
100			$res = $res && $strength['number'] > 0;
101			}
102			} while ($res === false);
103
104			return implode('', $pass);
105			}
106
107			return implode($passGen());
108			}
109
110			/**
111			* @param array $pass
112			*
113			* @return array
114			*/
115			public static function checkStrength(array $pass)
116			{
117			$charsUpper = strtoupper(self::CHARS);
118			$strength = ['lower' => 0, 'upper' => 0, 'special' => 0, 'number' => 0];
119
120			foreach ($pass as $char) {
121			$strength['lower'] += substr_count(self::CHARS, $char);
122			$strength['upper'] += substr_count($charsUpper, $char);
123			$strength['special'] += substr_count(self::CHARS_SPECIAL, $char);
124			$strength['number'] += substr_count(self::CHARS_NUMBER, $char);
125			}
126
127			return $strength;
128			}
129
130			/**
131			* Generar una cadena aleatoria usuando criptografía.
132			*
133			* @param int $length opcional, con la longitud de la cadena
134			*
135			* @return string
136			* @throws EnvironmentIsBrokenException
137			*/
138			public static function generateRandomBytes($length = 30)
139			{
140			return Encoding::binToHex(Core::secureRandom($length));
141			}
142			}

nuxsmin / sysPass

PasswordUtil::randomPassword() C last analyzed 2020-12-20 19:54 UTC

Complexity

Size

Duplication

Importance

How to fix Long Method Complexity

Long Method

Duplication Side-by-Side

Filter issues like

PasswordUtil::randomPassword() C
last analyzed 2020-12-20 19:54 UTC