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<?php |
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namespace ByTIC\Omnipay\PlatiOnline\Message\Traits; |
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use ByTIC\Omnipay\Common\Message\Traits\GatewayNotificationRequestTrait; |
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use ByTIC\Omnipay\PlatiOnline\Utils\Urls; |
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use Nip\Utility\Str; |
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use Nip\Utility\Xml; |
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use phpseclib\Crypt\AES; |
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use phpseclib\Crypt\RSA; |
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/** |
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* Trait RelayRequestTrait |
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* @package ByTIC\Omnipay\PlatiOnline\Message\Traits |
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*/ |
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trait RelayRequestTrait |
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{ |
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use GatewayNotificationRequestTrait; |
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protected function getRelayMessage() |
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{ |
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return $this->httpRequest->request->get($this->relayMessageKey); |
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} |
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protected function getCryptMessage() |
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{ |
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return $this->httpRequest->request->get($this->cryptMessageKey); |
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} |
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protected function getValidationMessageUrl() |
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{ |
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return Urls::$authResponseXml; |
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} |
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/** |
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* @return mixed |
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*/ |
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public function isValidNotification() |
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{ |
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return $this->hasPOST($this->relayMessageKey, $this->cryptMessageKey); |
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} |
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/** |
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* @return bool|mixed |
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*/ |
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protected function parseNotification() |
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{ |
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$this->validate('privateKey'); |
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$response = $this->decryptResponse( |
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$this->getRelayMessage(), |
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$this->getCryptMessage(), |
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$this->getValidationMessageUrl() |
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); |
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return $response; |
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} |
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/** |
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* @param $relayMessage |
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* @param $cryptMessage |
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* @param $validation_url |
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* @return mixed |
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* @throws \Exception |
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*/ |
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private function decryptResponse($relayMessage, $cryptMessage, $validation_url) |
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{ |
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if (empty($relayMessage)) { |
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throw new \Exception('Decriptare raspuns - nu se primeste [criptul AES]'); |
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} |
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if (empty($cryptMessage)) { |
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throw new \Exception('Decriptare raspuns - nu se primeste [criptul RSA]'); |
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} |
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$rsa = new RSA(); |
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$rsa->loadKey($this->getPrivateKey()); |
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$rsa->setEncryptionMode(RSA::ENCRYPTION_PKCS1); |
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$aes_key = $rsa->decrypt(base64_decode($cryptMessage)); |
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if (empty($aes_key)) { |
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throw new \Exception('Nu am putut decripta cheia AES din RSA'); |
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} |
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$aes = new AES(); |
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$aes->setIV($this->getInitialVectorItsn()); |
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$aes->setKey($aes_key); |
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$response = $aes->decrypt(base64_decode(Str::fromHex($relayMessage))); |
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if (empty($response)) { |
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throw new \Exception('Nu am putut decripta mesajul din criptul AES'); |
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} |
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Xml::validate($response, $validation_url); |
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return simplexml_load_string($response, 'SimpleXMLElement', LIBXML_NOCDATA); |
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} |
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} |
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bytic /
omnipay-plationline
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