AbstractHashChecker::checkClaim() - Code Metrics - Inspection of "Merge branch 'distributed-and-aggregated-claims'" - thomasvargiu/php-openid-client - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( 106006...c1ddb5 )

by Thomas Mauro

created 2019-07-15 00:19 UTC

AbstractHashChecker::checkClaim() A

↳ Parent: AbstractHashChecker

Complexity

Conditions	2
Paths	2

Size

Total Lines	7
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	5
CRAP Score	2

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	2
eloc	4
nc	2
nop	1
dl	0
loc	7
ccs	5
cts	5
cp	1
crap	2
rs	10
c	1
b	0
f	0

<?php

declare(strict_types=1);

namespace TMV\OpenIdClient\ClaimChecker;

use function hash;
use Jose\Component\Checker\ClaimChecker;
use Jose\Component\Checker\InvalidClaimException;
use function sprintf;
use function strlen;
use function substr;
use function TMV\OpenIdClient\base64url_encode;

abstract class AbstractHashChecker implements ClaimChecker
{
    /** @var string */
    private $valueToCheck;

    /** @var string */
    private $alg;

    /**
     * SHashChecker constructor.
     *
     * @param string $valueToCheck
     * @param string $alg
     */
    public function __construct(string $valueToCheck, string $alg)
    {
        $this->valueToCheck = $valueToCheck;
        $this->alg = $alg;
    }

    private function getShaSize(string $alg): string
    {
        $size = substr($alg, -3);

        switch ($size) {
            case '512':
                return 'sha512';
            case '384':
                return 'sha384';
            default:
                return 'sha256';
        }
    }

    /**
     * {@inheritdoc}
     */
    public function checkClaim($value): void
    {
        $hash = hash($this->getShaSize($this->alg), $this->valueToCheck, true);
        $generated = base64url_encode(substr($hash, 0, strlen($hash) / 2));

        if ($value !== $generated) {
            throw new InvalidClaimException(sprintf($this->supportedClaim() . ' mismatch, expected %s, got: %s', $generated, $value), $this->supportedClaim(), $value);
        }
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace TMV\OpenIdClient\ClaimChecker;
6
7		use function hash;
8		use Jose\Component\Checker\ClaimChecker;
9		use Jose\Component\Checker\InvalidClaimException;
10		use function sprintf;
11		use function strlen;
12		use function substr;
13		use function TMV\OpenIdClient\base64url_encode;
14
15		abstract class AbstractHashChecker implements ClaimChecker
16		{
17		/** @var string */
18		private $valueToCheck;
19
20		/** @var string */
21		private $alg;
22
23		/**
24		* SHashChecker constructor.
25		*
26		* @param string $valueToCheck
27		* @param string $alg
28		*/
29	15	public function __construct(string $valueToCheck, string $alg)
30		{
31	15	$this->valueToCheck = $valueToCheck;
32	15	$this->alg = $alg;
33	15	}
34
35	12	private function getShaSize(string $alg): string
36		{
37	12	$size = substr($alg, -3);
38
39		switch ($size) {
40	12	case '512':
41	3	return 'sha512';
42	9	case '384':
43	3	return 'sha384';
44		default:
45	6	return 'sha256';
46		}
47		}
48
49		/**
50		* {@inheritdoc}
51		*/
52	12	public function checkClaim($value): void
53		{
54	12	$hash = hash($this->getShaSize($this->alg), $this->valueToCheck, true);
55	12	$generated = base64url_encode(substr($hash, 0, strlen($hash) / 2));
56
57	12	if ($value !== $generated) {
58	3	throw new InvalidClaimException(sprintf($this->supportedClaim() . ' mismatch, expected %s, got: %s', $generated, $value), $this->supportedClaim(), $value);
59		}
60	9	}
61		}
62

thomasvargiu / php-openid-client

Push — master ( 106006...c1ddb5 )

AbstractHashChecker::checkClaim() A

Complexity

Size

Duplication

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