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<?php |
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namespace Omnipay\Paysera\Common; |
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use Omnipay\Paysera\Message\PurchaseRequest; |
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use Omnipay\Common\Exception\InvalidRequestException; |
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class Purchase |
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{ |
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/** |
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* Generate the encoded string with parameters. |
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* |
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* @param \Omnipay\Paysera\Message\PurchaseRequest $request |
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* @return string |
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* |
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* @throws \Omnipay\Common\Exception\InvalidRequestException |
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*/ |
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public static function generate(PurchaseRequest $request) |
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{ |
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$parameters = static::parameters($request); |
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if ($card = $request->getCard()) { |
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$parameters = array_merge($parameters, static::customer($card)); |
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} |
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static::validate($parameters = self::filterParameters($parameters)); |
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return Encoder::encode(http_build_query($parameters, '', '&')); |
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} |
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/** |
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* Get the parameters from the request. |
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* |
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* @param \Omnipay\Paysera\Message\PurchaseRequest $request |
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* @return array |
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*/ |
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protected static function parameters(PurchaseRequest $request) |
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{ |
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return [ |
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'projectid' => $request->getProjectId(), |
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'orderid' => $request->getTransactionId(), |
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'accepturl' => $request->getReturnUrl(), |
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'cancelurl' => $request->getCancelUrl(), |
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'callbackurl' => $request->getNotifyUrl(), |
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'version' => $request->getVersion(), |
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'payment' => $request->getPaymentMethod(), |
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'lang' => $request->getLanguage(), |
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'amount' => $request->getAmountInteger(), |
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'currency' => $request->getCurrency(), |
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'test' => $request->getTestMode() ? '1' : '0', |
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]; |
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} |
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/** |
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* Get the customer from card. |
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* |
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* @param \Omnipay\Common\CreditCard $card |
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* @return array |
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*/ |
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protected static function customer($card) |
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{ |
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return [ |
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'p_firstname' => $card->getFirstName(), |
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'p_lastname' => $card->getLastName(), |
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'p_email' => $card->getEmail(), |
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'p_street' => $card->getAddress1(), |
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'p_city' => $card->getCity(), |
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'p_state' => $card->getState(), |
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'p_zip' => $card->getPostcode(), |
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'country' => $card->getCountry(), |
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]; |
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} |
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/** |
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* Get the filtered parameters. |
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* |
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* @param array $parameters |
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* @return array |
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*/ |
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protected static function filterParameters(array $parameters) |
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{ |
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return array_filter($parameters, function ($value) { |
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return ! is_null($value) && $value !== ''; |
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}); |
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} |
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/** |
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* Validate the data. |
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* |
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* @param array $data |
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* @return void |
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* @throws \Omnipay\Common\Exception\InvalidRequestException |
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*/ |
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public static function validate(array $data) |
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{ |
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foreach (self::getRequestSpecifications() as $specification) { |
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list($name, $maxLength, $isRequired, $regexp) = $specification; |
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if (static::isRequiredButMissing($isRequired, $data, $name)) { |
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throw new InvalidRequestException("Parameter [{$name}] is required but missing."); |
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} |
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if (static::exists($data, $name)) { |
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if (static::isTooLong($maxLength, $data[$name])) { |
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throw new InvalidRequestException( |
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sprintf( |
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'Parameter [%s] value is too long (%d), %d characters allowed.', |
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$name, |
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strlen($data[$name]), |
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$maxLength |
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) |
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); |
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} |
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if (static::isInvalid($regexp, $data[$name])) { |
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throw new InvalidRequestException("Parameter [{$name}] value [{$data[$name]}] is invalid."); |
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} |
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} |
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} |
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} |
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/** |
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* Get the request specifications. |
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* |
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* Array structure: |
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* name – request parameter name |
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* maxLength – max allowed length for parameter |
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* required – is this parameter required |
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* regexp – regexp to test parameter value |
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* |
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* @return array |
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*/ |
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protected static function getRequestSpecifications() |
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{ |
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return [ |
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['orderid', 40, true, ''], |
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['accepturl', 255, true, ''], |
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['cancelurl', 255, true, ''], |
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['callbackurl', 255, true, ''], |
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['lang', 3, false, '/^[a-z]{3}$/i'], |
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['amount', 11, false, '/^\d+$/'], |
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['currency', 3, false, '/^[a-z]{3}$/i'], |
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['payment', 20, false, ''], |
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['country', 2, false, '/^[a-z_]{2}$/i'], |
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['p_firstname', 255, false, ''], |
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['p_lastname', 255, false, ''], |
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['p_email', 255, false, ''], |
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['p_street', 255, false, ''], |
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['p_city', 255, false, ''], |
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['p_state', 20, false, ''], |
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['p_zip', 20, false, ''], |
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['p_countrycode', 2, false, '/^[a-z]{2}$/i'], |
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['test', 1, false, '/^[01]$/'], |
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]; |
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} |
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/** |
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* Determine the parameter is required but missing. |
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* |
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* @param bool $isRequired |
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* @param array $data |
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* @param string $name |
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* @return bool |
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*/ |
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protected static function isRequiredButMissing($isRequired, $data, $name) |
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{ |
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return $isRequired && ! isset($data[$name]); |
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} |
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/** |
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* Determine the parameter exists. |
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* |
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* @param array $data |
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* @param string $name |
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* @return bool |
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*/ |
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protected static function exists($data, $name) |
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{ |
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return ! empty($data[$name]); |
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} |
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/** |
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* Determine the parameter value is too long. |
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* |
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* @param mixed $maxLength |
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* @param string $value |
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* @return bool |
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*/ |
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protected static function isTooLong($maxLength, $value) |
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{ |
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return $maxLength && strlen($value) > $maxLength; |
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} |
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/** |
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* Determine the parameter value is invalid. |
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* |
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* @param string $regexp |
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* @param string $value |
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* @return bool |
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*/ |
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protected static function isInvalid($regexp, $value) |
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{ |
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return $regexp !== '' && ! preg_match($regexp, $value); |
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} |
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} |
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semyonchetvertnyh /
omnipay-paysera
