Hmac::getAlgorithm() - Code Metrics - emarref/jwt - Measure and Improve Code Quality continuously with Scrutinizer

Hmac::getAlgorithm()
last analyzed 2017-09-12 22:44 UTC

↳ Parent: Hmac

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	1
c	0
b	0
f	0
nc	1

<?php

namespace Emarref\Jwt\Algorithm;

abstract class Hmac implements SymmetricInterface
{
    /**
     * @var string
     */
    private $secret;

    /**
     * @param string $secret
     */
    public function __construct($secret)
    {
        $this->secret = $secret;

        $this->ensureSupport();
    }

    /**
     * @throws \RuntimeException
     */
    private function ensureSupport()
    {
        $supportedAlgorithms = $this->getSupportedAlgorithms();

        if (!in_array($this->getAlgorithm(), $supportedAlgorithms)) {
            throw new \RuntimeException(sprintf(
                'Encryption algorithm "%s" is not supported on this system.',
                $this->getAlgorithm()
            ));
        }
    }

    /**
     * @return array
     */
    protected function getSupportedAlgorithms()
    {
        return hash_algos();
    }

    /**
     * @param string $value
     * @return string
     */
    public function compute($value)
    {
        return hash_hmac($this->getAlgorithm(), $value, $this->secret, true);
    }

    /**
     * @return string
     */
    abstract protected function getAlgorithm();
}


1			<?php
2
3			namespace Emarref\Jwt\Algorithm;
4
5			abstract class Hmac implements SymmetricInterface
6			{
7			/**
8			* @var string
9			*/
10			private $secret;
11
12			/**
13			* @param string $secret
14			*/
15			public function __construct($secret)
16			{
17			$this->secret = $secret;
18
19			$this->ensureSupport();
20			}
21
22			/**
23			* @throws \RuntimeException
24			*/
25			private function ensureSupport()
26			{
27			$supportedAlgorithms = $this->getSupportedAlgorithms();
28
29			if (!in_array($this->getAlgorithm(), $supportedAlgorithms)) {
30			throw new \RuntimeException(sprintf(
31			'Encryption algorithm "%s" is not supported on this system.',
32			$this->getAlgorithm()
33			));
34			}
35			}
36
37			/**
38			* @return array
39			*/
40			protected function getSupportedAlgorithms()
41			{
42			return hash_algos();
43			}
44
45			/**
46			* @param string $value
47			* @return string
48			*/
49			public function compute($value)
50			{
51			return hash_hmac($this->getAlgorithm(), $value, $this->secret, true);
52			}
53
54			/**
55			* @return string
56			*/
57			abstract protected function getAlgorithm();
58			}
59

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Hmac::getAlgorithm() last analyzed 2017-09-12 22:44 UTC

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Hmac::getAlgorithm()
last analyzed 2017-09-12 22:44 UTC