function SMimeSigner::sign

File

vendor/symfony/mime/Crypto/SMimeSigner.php, line 52

Class

SMimeSigner

@author Sebastiaan Stok <s.stok@rollerscapes.net>

Namespace

Symfony\Component\Mime\Crypto

Code

public function sign(Message $message) : Message {
    $bufferFile = tmpfile();
    $outputFile = tmpfile();
    $this->iteratorToFile($message->getBody()
        ->toIterable(), $bufferFile);
    if (!@openssl_pkcs7_sign(stream_get_meta_data($bufferFile)['uri'], stream_get_meta_data($outputFile)['uri'], $this->signCertificate, $this->signPrivateKey, [], $this->signOptions, $this->extraCerts)) {
        throw new RuntimeException(\sprintf('Failed to sign S/Mime message. Error: "%s".', openssl_error_string()));
    }
    return new Message($message->getHeaders(), $this->convertMessageToSMimePart($outputFile, 'multipart', 'signed'));
}