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<?php |
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/** |
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* ePayService driver for the Omnipay PHP payment processing library. |
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* |
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* @link https://github.com/hiqdev/omnipay-epayservice |
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* @package omnipay-epayservice |
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* @license MIT |
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* @copyright Copyright (c) 2015-2017, HiQDev (http://hiqdev.com/) |
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*/ |
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namespace Omnipay\ePayService\Message; |
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use Omnipay\Common\Exception\InvalidResponseException; |
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use Omnipay\Common\Message\AbstractResponse; |
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use Omnipay\Common\Message\RequestInterface; |
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/** |
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* ePayService Complete Purchase Response. |
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*/ |
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class CompletePurchaseResponse extends AbstractResponse |
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{ |
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public function __construct(RequestInterface $request, $data) |
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{ |
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$this->request = $request; |
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$this->data = $data; |
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if ($this->getHash() !== $this->calculateHash()) { |
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throw new InvalidResponseException('Invalid hash'); |
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} |
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} |
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public function getHash() |
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{ |
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return strtolower($this->data['check_key']); |
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} |
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public function calculateHash() |
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{ |
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return md5($this->data['EPS_AMOUNT'] . $this->data['EPS_GUID'] . $this->request->getSecret()); |
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} |
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public function isSuccessful() |
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{ |
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return $this->data['EPS_RESULT'] === 'done'; |
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} |
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public function getTransactionId() |
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{ |
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return $this->data['EPS_TRID']; |
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} |
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public function getTransactionReference() |
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{ |
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return $this->data['EPS_ACCNUM']; |
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} |
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public function getAmount() |
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{ |
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return $this->data['EPS_AMOUNT']; |
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} |
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public function getTestMode() |
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{ |
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return (bool) $this->data['testMode']; |
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} |
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public function getCurrency() |
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{ |
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return $this->data['EPS_CURRENCY']; |
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} |
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} |
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Let’s take a look at an example:
In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different implementation of User which does not have a getDisplayName() method, the code will break.
Available Fixes
Change the type-hint for the parameter:
Add an additional type-check:
Add the method to the interface: