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<?php |
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declare(strict_types=1); |
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namespace Bip70\Client; |
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use Bip70\Client\Exception\ProtocolException; |
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use Bip70\Client\NetworkConfig\NetworkConfigInterface; |
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use Bip70\Protobuf\Codec\NonDiscardingBinaryCodec; |
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use Bip70\Protobuf\Proto\Payment; |
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use Bip70\Protobuf\Proto\PaymentACK; |
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use Bip70\Protobuf\Proto\PaymentDetails; |
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use Bip70\Protobuf\Proto\PaymentRequest; |
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use Bip70\X509\RequestValidation; |
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use Bip70\X509\PKIType; |
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use GuzzleHttp\Client; |
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use Psr\Http\Message\ResponseInterface; |
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class GuzzleHttpClient |
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{ |
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/** |
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* @var \GuzzleHttp\Client |
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*/ |
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private $client; |
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/** |
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* @var bool |
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*/ |
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private $checkContentType = true; |
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/** |
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* HttpClient constructor. |
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* @param Client|null $client |
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*/ |
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public function __construct(Client $client = null) |
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{ |
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$this->client = $client ?: new Client(); |
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} |
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/** |
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* @param bool $setting |
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* @return void |
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*/ |
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public function setCheckContentType(bool $setting) |
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{ |
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$this->checkContentType = $setting; |
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} |
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/** |
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* @param string $url |
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* @param string $acceptType |
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* @return ResponseInterface |
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*/ |
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private function get($url, string $acceptType) |
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{ |
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$options = [ |
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"headers" => ["Accept" => $acceptType,] |
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]; |
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$response = $this->client->get($url, $options); |
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if ($this->checkContentType) { |
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$this->checkContentType($acceptType, $response); |
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} |
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return $response; |
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} |
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/** |
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* @param string $url |
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* @param string $acceptType |
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* @param string $dataMIMEType |
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* @param string $data |
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* @return ResponseInterface |
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*/ |
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private function post(string $url, string $acceptType, string $dataMIMEType, string $data): ResponseInterface |
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{ |
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$options = [ |
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"headers" => [ |
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"Accept" => $acceptType, |
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"Content-Type" => $dataMIMEType, |
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], |
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'body' => $data, |
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]; |
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$response = $this->client->post($url, $options); |
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if ($this->checkContentType) { |
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$this->checkContentType($acceptType, $response); |
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} |
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return $response; |
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} |
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/** |
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* @param string $expectType |
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* @param ResponseInterface $response |
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*/ |
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public function checkContentType(string $expectType, ResponseInterface $response) |
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{ |
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if (!$response->hasHeader("Content-Type")) { |
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throw new ProtocolException("Missing Content-Type header"); |
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} |
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$contentType = $response->getHeader("Content-Type"); |
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if (!in_array($expectType, $contentType)) { |
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throw new ProtocolException("Content-Type was not " . $expectType); |
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} |
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} |
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/** |
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* @param string $requestUrl |
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* @param RequestValidation $requestValidation |
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* @param NetworkConfigInterface $networkConfig |
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* @return PaymentRequestInfo |
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* @throws ProtocolException |
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* @throws \Bip70\Exception\X509Exception |
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*/ |
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public function getRequest(string $requestUrl, RequestValidation $requestValidation, NetworkConfigInterface $networkConfig): PaymentRequestInfo |
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{ |
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$response = $this->get($requestUrl, $networkConfig->getPaymentRequestMimeType()); |
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$paymentRequest = new PaymentRequest(); |
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try { |
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$contents = $response->getBody()->getContents(); |
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$paymentRequest->parse($contents, new NonDiscardingBinaryCodec()); |
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} catch (\Exception $e) { |
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throw new ProtocolException("Failed to decode payment request", 0, $e); |
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} |
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$validationResult = null; |
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if ($paymentRequest->getPkiType() !== PKIType::NONE) { |
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$validationResult = $requestValidation->verifyX509Details($paymentRequest); |
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} |
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return new PaymentRequestInfo($paymentRequest, $validationResult); |
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} |
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/** |
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* @param PaymentDetails $details |
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* @param NetworkConfigInterface $networkConfig |
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* @param string|null $memo |
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* @param string ...$transactions |
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* @return PaymentACK |
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*/ |
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public function sendPayment(PaymentDetails $details, NetworkConfigInterface $networkConfig, string $memo = null, string ...$transactions): PaymentACK |
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{ |
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if (!$details->hasPaymentUrl()) { |
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throw new \RuntimeException("No payment url set on details"); |
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} |
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$payment = new Payment(); |
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foreach ($transactions as $transaction) { |
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$payment->addTransactions($transaction); |
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} |
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if ($details->hasMerchantData()) { |
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$payment->setMerchantData($details->getMerchantData()); |
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} |
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if ($memo !== null) { |
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$payment->setMemo($memo); |
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} |
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$paymentData = $payment->serialize(); |
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$result = $this->post($details->getPaymentUrl(), $networkConfig->getPaymentAckMimeType(), $networkConfig->getPaymentMimeType(), $paymentData); |
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$ack = new PaymentACK(); |
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try { |
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$ack->parse($result->getBody()->getContents()); |
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} catch (\Exception $e) { |
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throw new \RuntimeException("Failed to decode Payment ACK message"); |
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} |
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return $ack; |
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} |
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} |
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bip70 /
bip70-php
