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<?php |
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/** |
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* Abstract class for the family of response classes |
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* |
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* @package php_EasyPay |
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* @version 1.1 |
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* @author Dmitry Shovchko <[email protected]> |
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* |
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*/ |
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namespace EasyPay\Provider31; |
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use EasyPay\Log as Log; |
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use EasyPay\Key as Key; |
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abstract class Response extends \DomDocument |
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{ |
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/** |
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* @var string |
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* |
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*/ |
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const TEMPLATE = '<Response><StatusCode></StatusCode><StatusDetail></StatusDetail><DateTime></DateTime></Response>'; |
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/** |
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* @var \DOMNode |
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*/ |
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protected $Response; |
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/** |
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* @var \DOMElement |
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*/ |
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protected $Sign; |
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/** |
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* Response constructor |
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* |
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*/ |
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public function __construct() |
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{ |
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parent::__construct('1.0', 'UTF-8'); |
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self::loadXML(self::TEMPLATE); |
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$this->Response = $this->firstChild; |
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$this->set_DateTime(); |
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} |
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/** |
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* Set DateTime element value by current time |
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*/ |
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public function set_DateTime() |
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{ |
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$this->setElementValue('DateTime', date('Y-m-d\TH:i:s', time())); |
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} |
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/** |
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* Create new element node |
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* |
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* @param string $name |
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* @param string $value (optional) |
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*/ |
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public function createElement($name, $value=NULL) |
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{ |
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return parent::createElement($name, $value); |
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} |
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/** |
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* Set node value |
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* |
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* @param string $name |
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* @param string $value |
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*/ |
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public function setElementValue($name, $value) |
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{ |
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foreach ($this->Response->childNodes as $child) |
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{ |
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if ($child->nodeName == $name) |
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{ |
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$child->nodeValue = $value; |
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} |
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} |
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} |
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/** |
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* Dumps response into a string |
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* |
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* @return string XML |
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*/ |
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public function friendly() |
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{ |
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$this->encoding = 'UTF-8'; |
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$this->formatOutput = true; |
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//$this->save('/tmp/test1.xml'); |
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return $this->saveXML(NULL, LIBXML_NOEMPTYTAG); |
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} |
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/** |
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* Send response |
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* |
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* @param array $options |
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*/ |
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public function out($options) |
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{ |
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$this->sign($options); |
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Log::instance()->debug('response sends: '); |
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Log::instance()->debug($this->friendly()); |
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ob_clean(); |
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header("Content-Type: text/xml; charset=utf-8"); |
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echo $this->friendly(); |
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exit; |
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} |
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/** |
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* Add Sign (if hasn't yet done) |
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* |
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* @param array $options |
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*/ |
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protected function sign($options) |
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{ |
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if (isset($this->Sign)) return; |
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if (isset($options['UseSign']) && ($options['UseSign'] === true)) |
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{ |
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$this->Sign = self::createElement('Sign'); |
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$this->Response->appendChild($this->Sign); |
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$sign = $this->generate_sign($options); |
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$this->Sign->nodeValue = $sign; |
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} |
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} |
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/** |
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* Generate signature of response |
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* |
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* @param array $options |
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* @return string |
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*/ |
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public function generate_sign($options) |
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{ |
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if ( ! isset($options['ProviderPKey'])) |
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{ |
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Log::instance()->error('The parameter ProviderPKey is not set!'); |
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return null; |
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} |
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try |
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{ |
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$pkeyid = (new Key())->get($options['ProviderPKey'], 'private'); |
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} |
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catch (\Exception $e) |
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{ |
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return null; |
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} |
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$pr_key = openssl_pkey_get_private($pkeyid); |
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if ($pr_key === FALSE) |
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{ |
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Log::instance()->error('Can not extract the private key from certificate!'); |
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return null; |
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} |
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if (openssl_sign($this->friendly(), $sign, $pr_key) === FALSE) |
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{ |
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Log::instance()->error('Can not generate signature!'); |
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return null; |
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} |
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return strtoupper(bin2hex($sign)); |
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} |
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} |
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dshovchko /
php_EasyPay
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