Dropbox\Security\OpenSslRandomStringGenerator::generateString()

Complexity

Conditions	3
Paths	3

Size

Total Lines

19

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	12

Importance

Changes

0

<?php
    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);
    }
}