Personnage\Tinkoff\SDK\E2Card\HasSignature

Complexity

Total Complexity

5

Size/Duplication

Total Lines	80
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Importance

Changes

0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	digest()	0	6	1
A	getSerialNumber()	0	6	1
B	sign()	0	25	2
A	getFilename()	0	4	1

<?php declare(strict_types=1);

namespace Personnage\Tinkoff\SDK\E2Card;

use function Personnage\Tinkoff\SDK\interpolate;

trait HasSignature
{
    private $cmdLineSign = <<<CMD
openssl smime -sign -signer %signer% -engine gost -gost89 -binary -noattr -nocerts -outform DER -in %in% -out %out%
CMD;

    private $cmdLineAsn = <<<CMD
openssl asn1parse -inform DER -in %in%
CMD;

    /**
     * Get message digest by GOST Р 34.11-94.
     *
     * @param array $values List arguments
     *
     * @return string
     */
    private function digest(array $values): string
    {
        ksort($values);

        return hash('gost-crypto', implode('', $values), true);
    }

    /**
     * Get serial number of X509.
     *
     * @param  string  $path
     * @return string
     */
    private function getSerialNumber(string $path): string
    {
        $text = openssl_x509_parse('file://'.realpath($path));

        return $text['serialNumber'];
    }

    /**
     * Calculate signature from digest message.
     *
     * @param array|string $message
     * @return string
     */
    private function sign($message): string
    {
        static $cmdLineSign = <<<'CMD'
openssl smime -sign -signer %signer% -engine gost -gost89 -binary -noattr -nocerts -outform DER -in %in% -out %out%
CMD;
        static $cmdLineAsn = 'openssl asn1parse -inform DER -in %in%';

        if (is_array($message)) {
            $message = $this->digest($message);
        }

        fwrite($_ = tmpfile(), $message);

        shell_exec(interpolate($cmdLineSign, [
            'in' => $this->getFilename($_),
            'out' => $this->getFilename($__ = tmpfile()),
            'signer' => $this->pemFile,

The property pemFile does not exist. Did you maybe forget to declare it?

        ]));

        $output = shell_exec(interpolate($cmdLineAsn, [
            'in' => $this->getFilename($__),
        ]));

        return hex2bin(trim(substr($output, -129)));
    }

    /**
     * Get file name from a file resource.
     *
     * @param resource $resource
     * @return string
     */
    private function getFilename($resource): string
    {
        return stream_get_meta_data($resource)['uri'];
    }
}