Passed
Push — feature/eco-2295/eco-2344-crea... ( b58615...425ba1 )
by Aleksey
01:12
created

MacHashCalculator::validateMac()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 3
Code Lines 1

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 1
eloc 1
nc 1
nop 2
dl 0
loc 3
rs 10
c 0
b 0
f 0
1
<?php
2
3
/**
4
 * MIT License
5
 * For full license information, please view the LICENSE file that was distributed with this source code.
6
 */
7
8
namespace SprykerEco\Service\CrefoPayApi\HashCalculator;
9
10
use SprykerEco\Service\CrefoPayApi\CrefoPayApiConfig;
11
12
class MacHashCalculator implements MacHashCalculatorInterface
13
{
14
    protected const HASHING_ALGORITHM = 'sha1';
15
    protected const CHARS_TO_REPLACE = [" ", "\t", "\s", "\r", "\n"];
16
17
    /**
18
     * @var \SprykerEco\Service\CrefoPayApi\CrefoPayApiConfig
19
     */
20
    protected $config;
21
22
    /**
23
     * @param \SprykerEco\Service\CrefoPayApi\CrefoPayApiConfig $config
24
     */
25
    public function __construct(CrefoPayApiConfig $config)
26
    {
27
        $this->config = $config;
28
    }
29
30
    /**
31
     * @param array $data
32
     *
33
     * @return string
34
     */
35
    public function calculateMac(array $data): string
36
    {
37
        $macString = $this->createMacString($data);
38
39
        return $this->hashValue($macString);
40
    }
41
42
    /**
43
     * @param array $responseData
44
     * @param string $mac
45
     *
46
     * @return bool
47
     */
48
    public function validateMac(array $responseData, string $mac): bool
49
    {
50
        return $this->calculateMac($responseData) === $mac;
51
    }
52
53
    /**
54
     * @param array $data
55
     *
56
     * @return string
57
     */
58
    protected function createMacString(array $data): string
59
    {
60
        ksort($data);
61
62
        return $this->removeDelimiters(implode('', $data));
63
    }
64
65
    /**
66
     * @param string $value
67
     *
68
     * @return string
69
     */
70
    protected function hashValue(string $value): string
71
    {
72
        return hash_hmac(static::HASHING_ALGORITHM, $value, $this->getPrivateKey());
73
    }
74
75
    /**
76
     * @param string $macString
77
     *
78
     * @return string
79
     */
80
    protected function removeDelimiters(string $macString): string
81
    {
82
        return str_replace(static::CHARS_TO_REPLACE, '', $macString);
83
    }
84
85
    /**
86
     * @return string
87
     */
88
    protected function getPrivateKey(): string
89
    {
90
        return $this->config->getPrivateKey();
91
    }
92
}
93