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<?php declare(strict_types=1); |
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namespace Personnage\Tinkoff\SDK\E2Card; |
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use function Personnage\Tinkoff\SDK\interpolate; |
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trait HasSignature |
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{ |
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private $cmdLineSign = <<<CMD |
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openssl smime -sign -signer %signer% -engine gost -gost89 -binary -noattr -nocerts -outform DER -in %in% -out %out% |
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CMD; |
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private $cmdLineAsn = <<<CMD |
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openssl asn1parse -inform DER -in %in% |
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CMD; |
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/** |
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* Get message digest by GOST Р 34.11-94. |
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* |
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* @param array $values List arguments |
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* |
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* @return string |
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*/ |
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private function digest(array $values): string |
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{ |
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ksort($values); |
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return hash('gost-crypto', implode('', $values), true); |
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} |
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/** |
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* Get serial number of X509. |
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* |
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* @param string $path |
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* @return string |
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*/ |
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private function getSerialNumber(string $path): string |
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{ |
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$text = openssl_x509_parse('file://'.realpath($path)); |
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return $text['serialNumber']; |
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} |
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/** |
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* Calculate signature from digest message. |
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* |
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* @param array|string $message |
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* @return string |
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*/ |
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private function sign($message): string |
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{ |
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static $cmdLineSign = <<<'CMD' |
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openssl smime -sign -signer %signer% -engine gost -gost89 -binary -noattr -nocerts -outform DER -in %in% -out %out% |
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CMD; |
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static $cmdLineAsn = 'openssl asn1parse -inform DER -in %in%'; |
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if (is_array($message)) { |
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$message = $this->digest($message); |
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} |
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fwrite($_ = tmpfile(), $message); |
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shell_exec(interpolate($cmdLineSign, [ |
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'in' => $this->getFilename($_), |
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'out' => $this->getFilename($__ = tmpfile()), |
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'signer' => $this->pemFile, |
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])); |
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$output = shell_exec(interpolate($cmdLineAsn, [ |
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'in' => $this->getFilename($__), |
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])); |
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return hex2bin(trim(substr($output, -129))); |
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} |
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/** |
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* Get file name from a file resource. |
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* |
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* @param resource $resource |
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* @return string |
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*/ |
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private function getFilename($resource): string |
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{ |
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return stream_get_meta_data($resource)['uri']; |
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} |
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} |
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personnage /
tinkoff-sdk
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: