AbstractGenerator::readBytes() - Code Metrics - Riimu/Kit-SecureRandom - Measure and Improve Code Quality continuously with Scrutinizer

AbstractGenerator::readBytes()
last analyzed 2017-09-09 15:20 UTC

↳ Parent: AbstractGenerator

Size

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Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	1
ccs	0
cts	0
cp	0
c	0
b	0
f	0
nc	1

<?php

namespace Riimu\Kit\SecureRandom\Generator;

use Riimu\Kit\SecureRandom\GeneratorException;

/**
 * Abstract generator for handling byte generator errors.
 * @author Riikka Kalliomäki <[email protected]>
 * @copyright Copyright (c) 2014-2017 Riikka Kalliomäki
 * @license http://opensource.org/licenses/mit-license.php MIT License
 */
abstract class AbstractGenerator implements Generator
{
    public function getBytes($count)
    {
        $count = (int) $count;

        if ($count === 0) {
            return '';
        }

        $bytes = $this->readBytes($count);

        if (!is_string($bytes)) {
            throw new GeneratorException('The random byte generator did not return a string');
        }

        if (strlen($bytes) !== $count) {
            throw new GeneratorException('The random byte generator returned an invalid number of bytes');
        }

        return $bytes;
    }

    /**
     * Reads bytes from the randomness source.
     * @param int $count number of bytes to read
     * @return string|false The bytes read from the randomness source or false on error
     * @throws GeneratorException If error occurs in byte generation
     */
    abstract protected function readBytes($count);
}


1		<?php
2
3		namespace Riimu\Kit\SecureRandom\Generator;
4
5		use Riimu\Kit\SecureRandom\GeneratorException;
6
7		/**
8		* Abstract generator for handling byte generator errors.
9		* @author Riikka Kalliomäki <[email protected]>
10		* @copyright Copyright (c) 2014-2017 Riikka Kalliomäki
11		* @license http://opensource.org/licenses/mit-license.php MIT License
12		*/
13		abstract class AbstractGenerator implements Generator
14		{
15	27	public function getBytes($count)
16		{
17	27	$count = (int) $count;
18
19	27	if ($count === 0) {
20	3	return '';
21		}
22
23	24	$bytes = $this->readBytes($count);
24
25	24	if (!is_string($bytes)) {
26	3	throw new GeneratorException('The random byte generator did not return a string');
27		}
28
29	21	if (strlen($bytes) !== $count) {
30	3	throw new GeneratorException('The random byte generator returned an invalid number of bytes');
31		}
32
33	18	return $bytes;
34		}
35
36		/**
37		* Reads bytes from the randomness source.
38		* @param int $count number of bytes to read
39		* @return string\|false The bytes read from the randomness source or false on error
40		* @throws GeneratorException If error occurs in byte generation
41		*/
42		abstract protected function readBytes($count);
43		}
44

Riimu / Kit-SecureRandom

AbstractGenerator::readBytes() last analyzed 2017-09-09 15:20 UTC

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AbstractGenerator::readBytes()
last analyzed 2017-09-09 15:20 UTC