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<?php |
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namespace Mdb\PayPal\Ipn; |
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use Http\Client\HttpClient; |
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use Http\Message\MessageFactory; |
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class Verifier |
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{ |
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const STATUS_KEYWORD_VERIFIED = 'VERIFIED'; |
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const STATUS_KEYWORD_INVALID = 'INVALID'; |
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/** |
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* @var HttpClient |
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*/ |
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private $httpClient; |
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/** |
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* @var MessageFactory |
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*/ |
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private $messageFactory; |
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/** |
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* @var bool |
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*/ |
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private $useSandbox; |
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public function __construct(HttpClient $httpClient, MessageFactory $messageFactory, $useSandbox = false) |
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{ |
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$this->httpClient = $httpClient; |
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$this->messageFactory = $messageFactory; |
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$this->useSandbox = $useSandbox; |
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} |
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/** |
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* @param array $datas |
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* |
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* @return bool |
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* |
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* @throws \UnexpectedValueException |
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*/ |
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public function verify(array $datas) |
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{ |
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$body = $this->httpClient->sendRequest($this->createRequest($datas))->getBody(); |
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$pattern = sprintf('/(%s|%s)/', self::STATUS_KEYWORD_VERIFIED, self::STATUS_KEYWORD_INVALID); |
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if (!preg_match($pattern, $body)) { |
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throw new \UnexpectedValueException(sprintf('Unexpected verification status encountered: %s', $body)); |
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} |
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return $body === self::STATUS_KEYWORD_VERIFIED; |
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} |
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/** |
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* @param array $datas |
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* |
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* @return \Psr\Http\Message\RequestInterface |
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*/ |
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protected function createRequest(array $datas) |
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{ |
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$body = \GuzzleHttp\Psr7\build_query(['cmd' => '_notify-validate'] + $datas, PHP_QUERY_RFC1738); |
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return $this->messageFactory->createRequest('POST', $this->getServiceEndpoint(), [], $body); |
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} |
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/** |
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* @return string |
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*/ |
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protected function getServiceEndpoint() |
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{ |
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return $this->useSandbox ? |
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'https://www.sandbox.paypal.com/cgi-bin/webscr' : |
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'https://www.paypal.com/cgi-bin/webscr'; |
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} |
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} |
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mike182uk /
paypal-ipn-listener
