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<?php |
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/* |
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* eCoin driver for Omnipay PHP payment library |
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* |
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* @link https://github.com/hiqdev/omnipay-ecoin |
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* @package omnipay-ecoin |
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* @license MIT |
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* @copyright Copyright (c) 2015-2016, HiQDev (http://hiqdev.com/) |
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*/ |
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namespace Omnipay\eCoin\Message; |
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use Omnipay\Common\Exception\InvalidResponseException; |
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use Omnipay\Common\Message\AbstractResponse; |
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/** |
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* eCoin 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(CompletePurchaseRequest $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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/** |
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* Whether the payment is successful. |
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* @return boolean |
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*/ |
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public function isSuccessful() |
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{ |
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return true; |
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} |
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/** |
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* Whether the payment is test. |
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* XXX TODO. |
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* @return boolean |
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*/ |
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public function getTestMode() |
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{ |
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return (bool) $this->data['TEST_VAR_TO_BE_SET']; |
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} |
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/** |
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* {@inheritdoc} |
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* @return string |
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*/ |
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public function getTransactionId() |
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{ |
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return $this->data['ECM_INV_NO']; |
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} |
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/** |
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* {@inheritdoc} |
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* @return string |
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*/ |
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public function getTransactionReference() |
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{ |
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return $this->data['ECM_TRANS_ID']; |
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} |
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/** |
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* {@inheritdoc} |
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* @return string |
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*/ |
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public function getAmount() |
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{ |
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return $this->data['ECM_ITEM_COST']; |
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} |
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/** |
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* Returns the currency. |
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* @return string |
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*/ |
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public function getCurrency() |
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{ |
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return 'USD'; |
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} |
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/** |
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* Returns the payer ID. |
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* @return string |
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*/ |
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public function getPayer() |
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{ |
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return $this->data['ECM_PAYER_ID']; |
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} |
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/** |
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* Returns the payment date. |
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* @return string |
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*/ |
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public function getTime() |
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{ |
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return date('c', $this->data['ECM_TRANS_DATE']); |
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} |
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/** |
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* Get hash from request. |
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* |
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* @return string |
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*/ |
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public function getHash() |
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{ |
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return $this->data['ECM_HASH']; |
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} |
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/** |
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* Calculate hash to validate incoming confirmation. |
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* |
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* @return string |
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*/ |
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public function calculateHash() |
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{ |
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$str = $this->data['ECM_TRANS_ID'] . |
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$this->data['ECM_TRANS_DATE'] . |
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$this->request->getPurse() . |
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$this->data['ECM_PAYER_ID'] . |
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$this->data['ECM_ITEM_COST'] . |
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$this->data['ECM_QTY'] . |
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$this->request->getSecret(); |
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return md5($str); |
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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: