PasswordGenerator::getFromRandom() - Code Metrics - Inspection of "v0.24.0 section added" - linna/framework - Measure and Improve Code Quality continuously with Scrutinizer

Test Setup Failed

Branch — b0.24.0 (75b6bf)

by Sebastian

created 2017-11-09 19:42 UTC

PasswordGenerator::getFromRandom() A

↳ Parent: PasswordGenerator

Complexity

Conditions	2
Paths	2

Size

Total Lines	12
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	12
rs	9.4285
c	0
b	0
f	0
cc	2
eloc	6
nc	2
nop	1

<?php

/**
 * Linna Framework.
 *
 * @author Sebastian Rapetti <[email protected]>
 * @copyright (c) 2017, Sebastian Rapetti
 * @license http://opensource.org/licenses/MIT MIT License
 */
declare(strict_types=1);

namespace Linna\Authentication;

use InvalidArgumentException;

/**
 * Generate random password with random topology, this class use php7
 * random_int() function for generate random numbers.
 */
class PasswordGenerator
{
    /**
     * @var array Characters intervall utf8 dec rappresentation
     */
    private $chars = [
        [[65, 90]], //u 117
        [[97, 122]], //l 108
        [[48, 57]], //d 100
        [[33, 47], [58, 64], [91, 96], [123, 126]], //s 115
    ];

    /**
     * @var array Characters utf8 dec rappresentation
     */
    private $groups = [
        117 => 0, //u
        108 => 1, //l
        100 => 2, //d
        115 => 3  //s
    ];

    
    /**
     * Generate a random password.
     * <pre><code class="php">use Linna\Auth\PasswordGenerator;
     *
     * $passwordGenerator = new PasswordGenerator();
     * $random = $passwordGenerator->getFromRandom(20);
     *
     * //var_dump result
     * //r4Q,1J*tM7D_99q0u>61
     * var_dump($random);
     * </code></pre>
     *
     * @param int $length Desiderated password length.
     * @return string Random password.
     */
    public function getFromRandom(int $length): string
    {
        $password = [];

        while ($length) {
            $password[] = $this->getRandomChar($this->chars[random_int(0, 3)]);
            
            $length--;
        }
        
        return implode($password);
    }

    /**
     * Return topology for given password.
     * <pre><code class="php">use Linna\Auth\PasswordGenerator;
     *
     * $passwordGenerator = new PasswordGenerator();
     * $topology = $passwordGenerator->getTopology('r4Q,1J*tM7D_99q0u>61');
     *
     * //var_dump result
     * //ldusdusludusddldlsdd
     * var_dump($topology);
     * </code></pre>
     * @param string $password Password.
     *
     * @return string Topology for the argument passed password.
     */
    public function getTopology(string $password): string
    {
        $array = str_split($password);
        $topology = [];

        foreach ($array as $char) {
            $int = ord($char);

            if ($this->inRanges($int, $this->chars[0])) {
                $topology[] = 'u';
                continue;
            }

            if ($this->inRanges($int, $this->chars[1])) {
                $topology[] = 'l';
                continue;
            }

            if ($this->inRanges($int, $this->chars[2])) {
                $topology[] = 'd';
                continue;
            }

            if ($this->inRanges($int, $this->chars[3])) {
                $topology[] = 's';
                continue;
            }
        }

        return implode($topology);
    }

    /**
     * Generate a random password corresponding at the given topology.
     * <pre><code class="php">use Linna\Auth\PasswordGenerator;
     *
     * $passwordGenerator = new PasswordGenerator();
     * $random = $passwordGenerator->getFromTopology('ldusdusludusddldlsdd');
     *
     * //var_dump result
     * //r4Q,1J*tM7D_99q0u>61
     * var_dump($random);
     * </code></pre>
     *
     * @param string $topology Topology for generate password.
     * @return string Random password corresponding the given topology.
     *
     * @throws InvalidArgumentException If invalid pattern is provided.
     */
    public function getFromTopology(string $topology): string
    {
        $array = str_split(strtolower($topology));
        $password = [];

        foreach ($array as $char) {
            $int = ord($char);

            if (isset($this->groups[$int])) {
                $key = $this->groups[$int];
                $password[] = $this->getRandomChar($this->chars[$key]);

                continue;
            }

            throw new InvalidArgumentException('Invalid pattern provided, accepted only u, l, d and s');
        }

        return implode($password);
    }

    /**
     * Get random char between.
     *
     * @param array $interval
     * @return string
     */
    private function getRandomChar(array $interval): string
    {
        while ($int = random_int(33, 122)) {
            if ($this->inRanges($int, $interval)) {
                break;
            }
        }

        return chr($int);
    }

    /**
     * Check if value is between given range.
     *
     * @param mixed $value
     * @param array $ranges
     *
     * @return bool
     */
    private function inRanges($value, array $ranges): bool
    {
        foreach ($ranges as $range) {
            if ($value >= $range[0] && $value <= $range[1]) {
                return true;
            }
        }

        return false;
    }
}


1			<?php
2
3			/**
4			* Linna Framework.
5			*
6			* @author Sebastian Rapetti <[email protected]>
7			* @copyright (c) 2017, Sebastian Rapetti
8			* @license http://opensource.org/licenses/MIT MIT License
9			*/
10			declare(strict_types=1);
11
12			namespace Linna\Authentication;
13
14			use InvalidArgumentException;
15
16			/**
17			* Generate random password with random topology, this class use php7
18			* random_int() function for generate random numbers.
19			*/
20			class PasswordGenerator
21			{
22			/**
23			* @var array Characters intervall utf8 dec rappresentation
24			*/
25			private $chars = [
26			[[65, 90]], //u 117
27			[[97, 122]], //l 108
28			[[48, 57]], //d 100
29			[[33, 47], [58, 64], [91, 96], [123, 126]], //s 115
30			];
31
32			/**
33			* @var array Characters utf8 dec rappresentation
34			*/
35			private $groups = [
36			117 => 0, //u
37			108 => 1, //l
38			100 => 2, //d
39			115 => 3 //s
40			];
41
42
43			/**
44			* Generate a random password.
45			* <pre><code class="php">use Linna\Auth\PasswordGenerator;
46			*
47			* $passwordGenerator = new PasswordGenerator();
48			* $random = $passwordGenerator->getFromRandom(20);
49			*
50			* //var_dump result
51			* //r4Q,1J*tM7D_99q0u>61
52			* var_dump($random);
53			* </code></pre>
54			*
55			* @param int $length Desiderated password length.
56			* @return string Random password.
57			*/
58			public function getFromRandom(int $length): string
59			{
60			$password = [];
61
62			while ($length) {
63			$password[] = $this->getRandomChar($this->chars[random_int(0, 3)]);
64
65			$length--;
66			}
67
68			return implode($password);
69			}
70
71			/**
72			* Return topology for given password.
73			* <pre><code class="php">use Linna\Auth\PasswordGenerator;
74			*
75			* $passwordGenerator = new PasswordGenerator();
76			* $topology = $passwordGenerator->getTopology('r4Q,1J*tM7D_99q0u>61');
77			*
78			* //var_dump result
79			* //ldusdusludusddldlsdd
80			* var_dump($topology);
81			* </code></pre>
82			* @param string $password Password.
83			*
84			* @return string Topology for the argument passed password.
85			*/
86			public function getTopology(string $password): string
87			{
88			$array = str_split($password);
89			$topology = [];
90
91			foreach ($array as $char) {
92			$int = ord($char);
93
94			if ($this->inRanges($int, $this->chars[0])) {
95			$topology[] = 'u';
96			continue;
97			}
98
99			if ($this->inRanges($int, $this->chars[1])) {
100			$topology[] = 'l';
101			continue;
102			}
103
104			if ($this->inRanges($int, $this->chars[2])) {
105			$topology[] = 'd';
106			continue;
107			}
108
109			if ($this->inRanges($int, $this->chars[3])) {
110			$topology[] = 's';
111			continue;
112			}
113			}
114
115			return implode($topology);
116			}
117
118			/**
119			* Generate a random password corresponding at the given topology.
120			* <pre><code class="php">use Linna\Auth\PasswordGenerator;
121			*
122			* $passwordGenerator = new PasswordGenerator();
123			* $random = $passwordGenerator->getFromTopology('ldusdusludusddldlsdd');
124			*
125			* //var_dump result
126			* //r4Q,1J*tM7D_99q0u>61
127			* var_dump($random);
128			* </code></pre>
129			*
130			* @param string $topology Topology for generate password.
131			* @return string Random password corresponding the given topology.
132			*
133			* @throws InvalidArgumentException If invalid pattern is provided.
134			*/
135			public function getFromTopology(string $topology): string
136			{
137			$array = str_split(strtolower($topology));
138			$password = [];
139
140			foreach ($array as $char) {
141			$int = ord($char);
142
143			if (isset($this->groups[$int])) {
144			$key = $this->groups[$int];
145			$password[] = $this->getRandomChar($this->chars[$key]);
146
147			continue;
148			}
149
150			throw new InvalidArgumentException('Invalid pattern provided, accepted only u, l, d and s');
151			}
152
153			return implode($password);
154			}
155
156			/**
157			* Get random char between.
158			*
159			* @param array $interval
160			* @return string
161			*/
162			private function getRandomChar(array $interval): string
163			{
164			while ($int = random_int(33, 122)) {
165			if ($this->inRanges($int, $interval)) {
166			break;
167			}
168			}
169
170			return chr($int);
171			}
172
173			/**
174			* Check if value is between given range.
175			*
176			* @param mixed $value
177			* @param array $ranges
178			*
179			* @return bool
180			*/
181			private function inRanges($value, array $ranges): bool
182			{
183			foreach ($ranges as $range) {
184			if ($value >= $range[0] && $value <= $range[1]) {
185			return true;
186			}
187			}
188
189			return false;
190			}
191			}
192

linna / framework

Branch — b0.24.0 (75b6bf)

PasswordGenerator::getFromRandom() A

Complexity

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