OpenSslRandomStringGenerator::__construct() - Code Metrics - Inspection of "Initial WhiteSource configuration file" - davidsneighbour/dropbox-php-sdk - Measure and Improve Code Quality continuously with Scrutinizer

Completed

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created 2019-05-01 14:52 UTC

OpenSslRandomStringGenerator::__construct() A

↳ Parent: OpenSslRandomStringGenerator

Complexity

Conditions	2
Paths	2

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	3
CRAP Score	2.5

Importance

Changes

Metric	Value
dl	0
loc	9
ccs	3
cts	6
cp	0.5
rs	9.9666
c	0
b	0
f	0
cc	2
nc	2
nop	0
crap	2.5

<?php
namespace Kunnu\Dropbox\Security;

use Kunnu\Dropbox\Exceptions\DropboxClientException;

/**
 * @inheritdoc
 */
class OpenSslRandomStringGenerator implements RandomStringGeneratorInterface
{
    use RandomStringGeneratorTrait;

    /**
     * The error message when generating the string fails.
     *
     * @const string
     */
    const ERROR_MESSAGE = 'Unable to generate a cryptographically secure pseudo-random string from openssl_random_pseudo_bytes(). ';

    /**
     * Create a new OpenSslRandomStringGenerator instance
     *
     * @throws \Kunnu\Dropbox\Exceptions\DropboxClientException
     */
    public function __construct()
    {
        if (!function_exists('openssl_random_pseudo_bytes')) {
            throw new DropboxClientException(
                static::ERROR_MESSAGE .
                'The function openssl_random_pseudo_bytes() does not exist.'
                );
        }
    }

    /**
     * Get a randomly generated secure token
     *
     * @param  int $length Length of the string to return
     *
     * @throws \Kunnu\Dropbox\Exceptions\DropboxClientException
     *
     * @return string
     */
    public function generateString($length)
    {
        $cryptoStrong = false;
        //Create Binary String
        $binaryString = openssl_random_pseudo_bytes($length, $cryptoStrong);

        //Unable to create binary string
        if ($binaryString === false) {
            throw new DropboxClientException(static::ERROR_MESSAGE . 'openssl_random_pseudo_bytes() returned an unknown error.');
        }

        //Binary String is not cryptographically strong
        if ($cryptoStrong !== true) {
            throw new DropboxClientException(static::ERROR_MESSAGE . 'openssl_random_pseudo_bytes() returned a pseudo-random string but it was not cryptographically secure and cannot be used.');
        }

        //Convert binary to hex
        return $this->binToHex($binaryString, $length);
    }
}


1		<?php
2		namespace Kunnu\Dropbox\Security;
3
4		use Kunnu\Dropbox\Exceptions\DropboxClientException;
5
6		/**
7		* @inheritdoc
8		*/
9		class OpenSslRandomStringGenerator implements RandomStringGeneratorInterface
10		{
11		use RandomStringGeneratorTrait;
12
13		/**
14		* The error message when generating the string fails.
15		*
16		* @const string
17		*/
18		const ERROR_MESSAGE = 'Unable to generate a cryptographically secure pseudo-random string from openssl_random_pseudo_bytes(). ';
19
20		/**
21		* Create a new OpenSslRandomStringGenerator instance
22		*
23		* @throws \Kunnu\Dropbox\Exceptions\DropboxClientException
24		*/
25	58	public function __construct()
26		{
27	58	if (!function_exists('openssl_random_pseudo_bytes')) {
28		throw new DropboxClientException(
29		static::ERROR_MESSAGE .
30		'The function openssl_random_pseudo_bytes() does not exist.'
31		);
32		}
33	58	}
34
35		/**
36		* Get a randomly generated secure token
37		*
38		* @param int $length Length of the string to return
39		*
40		* @throws \Kunnu\Dropbox\Exceptions\DropboxClientException
41		*
42		* @return string
43		*/
44		public function generateString($length)
45		{
46		$cryptoStrong = false;
47		//Create Binary String
48		$binaryString = openssl_random_pseudo_bytes($length, $cryptoStrong);
49
50		//Unable to create binary string
51		if ($binaryString === false) {
52		throw new DropboxClientException(static::ERROR_MESSAGE . 'openssl_random_pseudo_bytes() returned an unknown error.');
53		}
54
55		//Binary String is not cryptographically strong
56		if ($cryptoStrong !== true) {
57		throw new DropboxClientException(static::ERROR_MESSAGE . 'openssl_random_pseudo_bytes() returned a pseudo-random string but it was not cryptographically secure and cannot be used.');
58		}
59
60		//Convert binary to hex
61		return $this->binToHex($binaryString, $length);
62		}
63		}
64

davidsneighbour / dropbox-php-sdk

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OpenSslRandomStringGenerator::__construct() A

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