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<?php |
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declare(strict_types=1); |
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namespace Bip70\X509; |
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use Bip70\Protobuf\Codec\NonDiscardingBinaryCodec; |
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use Bip70\Protobuf\Proto\PaymentDetails; |
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use Bip70\Protobuf\Proto\PaymentRequest; |
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use Bip70\Protobuf\Proto\X509Certificates; |
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use Sop\CryptoBridge\Crypto; |
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use Sop\CryptoTypes\AlgorithmIdentifier\Feature\AsymmetricCryptoAlgorithmIdentifier; |
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use Sop\CryptoTypes\Asymmetric\PrivateKeyInfo; |
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use X509\Certificate\Certificate; |
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use X509\Certificate\CertificateBundle; |
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class RequestSigner implements RequestSignerInterface |
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{ |
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/** |
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* @var Crypto |
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*/ |
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private $crypto; |
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/** |
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* RequestSigner constructor. |
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* @param Crypto|null $crypto |
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*/ |
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public function __construct(Crypto $crypto = null) |
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{ |
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$this->crypto = $crypto ?: Crypto::getDefault(); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function sign( |
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PaymentDetails $details, |
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string $pkiType, |
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PrivateKeyInfo $privateKey, |
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Certificate $cert, |
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CertificateBundle $intermediates |
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): PaymentRequest { |
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if ($pkiType === PKIType::NONE) { |
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throw new \UnexpectedValueException("Don't call sign with pki_type = none"); |
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} |
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/** @var AsymmetricCryptoAlgorithmIdentifier $algOid */ |
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$algOid = $privateKey->algorithmIdentifier(); |
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$signAlgorithm = SignatureAlgorithmFactory::getSignatureAlgorithm($pkiType, $algOid); |
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$x509Certs = new X509Certificates(); |
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$x509Certs->setCertificate($cert->toDER(), 0); |
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foreach ($intermediates as $i => $intermediate) { |
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$x509Certs->setCertificate($intermediate->toDER(), $i + 1); |
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} |
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$request = new PaymentRequest(); |
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$request->setPaymentDetailsVersion(1); |
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$request->setPkiType($pkiType); |
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$request->setPkiData($x509Certs->serialize()); |
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$request->setSerializedPaymentDetails($details->serialize()); |
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$request->setSignature(''); |
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$data = $request->serialize(new NonDiscardingBinaryCodec()); |
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$signature = $this->crypto->sign($data, $privateKey, $signAlgorithm); |
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$request->setSignature($signature->bitString()->string()); |
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return $request; |
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} |
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} |
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bip70 /
bip70-php
