Nonce::generateNonce() - Code Metrics - kenjis/php-csp-nonce-source - Measure and Improve Code Quality continuously with Scrutinizer

Nonce::generateNonce() A
last analyzed 2021-02-02 07:16 UTC

↳ Parent: Nonce

Complexity

Conditions	3
Paths	3

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	17
rs	9.7
c	0
b	0
f	0
cc	3
nc	3
nop	0

<?php
/**
 * CSP
 *
 * @author     Kenji Suzuki <https://github.com/kenjis>
 * @license    MIT License
 * @copyright  2014 Kenji Suzuki
 * @link       https://github.com/kenjis/php-csp-nonce-source
 */

namespace Kenjis\Csp;

class Nonce
{
    const UNSUPPORTED_BROWSER_NONCE = 'dummy';

    /**
     * @var \Kenjis\Csp\Browser
     */
    private $browser;

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

    /**
     * @param \Kenjis\Csp\Browser $browser
     */
    public function __construct(Browser $browser)
    {
        $this->browser = $browser;
    }

    private function generateNonce()
    {
        if (! $this->browser->supportNonceSource()) {
            $this->nonce = static::UNSUPPORTED_BROWSER_NONCE;
            return;
        }

        $length = 16;
        $usable = true;
        $bytes = openssl_random_pseudo_bytes($length, $usable);
        if ($usable === false) {
            // weak
            // @TODO do something?
        }

        $this->nonce = base64_encode($bytes);
    }

    /**
     * @return string
     */
    public function getNonce()
    {
        if ($this->nonce === null) {
            $this->generateNonce();
        }

        return $this->nonce;
    }
}


1			<?php
2			/**
3			* CSP
4			*
5			* @author Kenji Suzuki <https://github.com/kenjis>
6			* @license MIT License
7			* @copyright 2014 Kenji Suzuki
8			* @link https://github.com/kenjis/php-csp-nonce-source
9			*/
10
11			namespace Kenjis\Csp;
12
13			class Nonce
14			{
15			const UNSUPPORTED_BROWSER_NONCE = 'dummy';
16
17			/**
18			* @var \Kenjis\Csp\Browser
19			*/
20			private $browser;
21
22			/**
23			* @var string
24			*/
25			private $nonce;
26
27			/**
28			* @param \Kenjis\Csp\Browser $browser
29			*/
30			public function __construct(Browser $browser)
31			{
32			$this->browser = $browser;
33			}
34
35			private function generateNonce()
36			{
37			if (! $this->browser->supportNonceSource()) {
38			$this->nonce = static::UNSUPPORTED_BROWSER_NONCE;
39			return;
40			}
41
42			$length = 16;
43			$usable = true;
44			$bytes = openssl_random_pseudo_bytes($length, $usable);
45			if ($usable === false) {
46			// weak
47			// @TODO do something?
48			}
49
50			$this->nonce = base64_encode($bytes);
51			}
52
53			/**
54			* @return string
55			*/
56			public function getNonce()
57			{
58			if ($this->nonce === null) {
59			$this->generateNonce();
60			}
61
62			return $this->nonce;
63			}
64			}
65

kenjis / php-csp-nonce-source

Nonce::generateNonce() A last analyzed 2021-02-02 07:16 UTC

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Nonce::generateNonce() A
last analyzed 2021-02-02 07:16 UTC