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<?php |
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namespace PSFS\base; |
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use PSFS\base\config\Config; |
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use PSFS\base\types\helpers\SecurityHelper; |
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/** |
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* Class Service |
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* @package PSFS\base |
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*/ |
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class Service extends Singleton |
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{ |
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/** |
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* @var String Url de destino de la llamada |
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*/ |
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private $url; |
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/** |
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* @var array Parámetros de la llamada |
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*/ |
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private $params; |
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/** |
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* @var array Opciones llamada |
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*/ |
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private $options; |
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/** |
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* @var array Cabeceras de la llamada |
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*/ |
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private $headers; |
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/** |
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* @var string type |
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*/ |
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private $type; |
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/** |
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* @var resource $con |
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*/ |
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private $con; |
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/** |
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* @var string $result |
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*/ |
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private $result; |
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/** |
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* @var mixed |
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*/ |
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private $info; |
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/** |
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* @Injectable |
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* @var \PSFS\base\Logger Log de las llamadas |
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*/ |
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protected $log; |
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/** |
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* @Injectable |
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* @var \PSFS\base\Cache $cache |
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*/ |
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protected $cache; |
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/** |
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* @var bool |
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*/ |
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protected $isJson = true; |
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private function closeConnection() { |
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if(null !== $this->con) { |
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curl_close($this->con); |
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} |
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} |
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public function __destruct() |
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{ |
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$this->closeConnection(); |
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} |
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/** |
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* @return String |
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*/ |
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public function getUrl() |
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{ |
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return $this->url; |
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} |
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/** |
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* @param String $url |
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*/ |
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public function setUrl($url) |
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{ |
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$this->url = $url; |
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$this->initialize(); |
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} |
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/** |
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* @return string |
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*/ |
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public function getResult() |
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{ |
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return $this->result; |
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} |
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/** |
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* @param string $result |
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*/ |
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public function setResult($result) |
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{ |
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$this->result = $result; |
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} |
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/** |
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* @return array |
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*/ |
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public function getParams() |
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{ |
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return $this->params; |
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} |
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/** |
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* Add request param |
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* |
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* @param $key |
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* @param null $value |
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* |
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* @return \PSFS\base\Service |
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*/ |
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public function addParam($key, $value = NULL) |
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{ |
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$this->params[$key] = $value; |
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return $this; |
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} |
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/** |
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* @return array |
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*/ |
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public function getOptions() |
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{ |
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return $this->options; |
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} |
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/** |
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* Add request param |
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* |
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* @param $key |
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* @param null $value |
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* |
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* @return \PSFS\base\Service |
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*/ |
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public function addOption($key, $value = NULL) |
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{ |
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$this->options[$key] = $value; |
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return $this; |
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} |
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/** |
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* @param array $params |
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*/ |
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public function setParams($params) |
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{ |
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$this->params = $params; |
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} |
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/** |
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* @return array |
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*/ |
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public function getHeaders() |
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{ |
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return $this->headers; |
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} |
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/** |
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* @param array $headers |
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*/ |
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public function setHeaders($headers) |
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{ |
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$this->headers = $headers; |
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} |
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/** |
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* @param $header |
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* @param null $content |
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* |
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* @return $this |
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*/ |
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public function addHeader($header, $content = NULL) |
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{ |
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$this->headers[$header] = $content; |
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return $this; |
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} |
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/** |
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* @return string |
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*/ |
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public function getType() |
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{ |
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return $this->type; |
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} |
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/** |
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* @param string $type |
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*/ |
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public function setType($type) |
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{ |
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$this->type = $type; |
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} |
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/** |
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* @return Logger |
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*/ |
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public function getLog() |
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{ |
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return $this->log; |
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} |
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/** |
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* @param Logger $log |
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*/ |
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public function setLog($log) |
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{ |
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$this->log = $log; |
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} |
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/** |
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* @param bool $isJson |
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*/ |
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public function setIsJson($isJson = true) { |
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$this->isJson = $isJson; |
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} |
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/** |
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* @return bool |
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*/ |
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public function getIsJson() { |
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return $this->isJson; |
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} |
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/** |
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* Método que limpia el contexto de la llamada |
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*/ |
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private function clearContext() |
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{ |
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$this->url = NULL; |
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$this->params = array(); |
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$this->headers = array(); |
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Logger::log("Context service for " . get_called_class() . " cleared!"); |
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$this->closeConnection(); |
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} |
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/** |
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* |
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*/ |
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public function init() |
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{ |
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parent::init(); |
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$this->clearContext(); |
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} |
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/** |
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* Initialize CURL |
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*/ |
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private function initialize() |
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{ |
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$this->closeConnection(); |
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$this->con = curl_init($this->url); |
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} |
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/** |
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* Generate auth header |
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* @param string $secret |
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* @param string $module |
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*/ |
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protected function addRequestToken($secret, $module = 'PSFS') |
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{ |
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$this->addHeader('X-PSFS-SEC-TOKEN', SecurityHelper::generateToken($secret, $module)); |
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} |
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/** |
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* @param $user |
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* @param $pass |
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*/ |
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protected function addAuthHeader($user, $pass) { |
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$this->addOption(CURLOPT_HTTPAUTH, CURLAUTH_BASIC); |
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$this->addOption(CURLOPT_USERPWD, "$user:$pass"); |
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} |
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protected function applyOptions() { |
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if(count($this->options)) { |
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curl_setopt_array($this->con, $this->options); |
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} |
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} |
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protected function applyHeaders() { |
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$headers = []; |
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foreach($this->headers as $key => $value) { |
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$headers[] = $key . ': ' . $value; |
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} |
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if(count($headers)) { |
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curl_setopt($this->con, CURLOPT_HTTPHEADER, $headers); |
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} |
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} |
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protected function setDefaults() |
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{ |
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switch (strtoupper($this->type)) { |
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case 'GET': |
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default: |
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$this->addOption(CURLOPT_CUSTOMREQUEST, "GET"); |
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if(!empty($this->params)) { |
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$sep = false === preg_match('/\?/', $this->getUrl()) ? '?' : ''; |
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$this->setUrl($this->getUrl() . $sep . http_build_query($this->params)); |
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} |
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break; |
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View Code Duplication |
case 'POST': |
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$this->addOption(CURLOPT_CUSTOMREQUEST, "POST"); |
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if($this->getIsJson()) { |
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$this->addOption(CURLOPT_POSTFIELDS, json_encode($this->params)); |
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} else { |
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$this->addOption(CURLOPT_POSTFIELDS, http_build_query($this->params)); |
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} |
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break; |
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case 'DELETE': |
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$this->addOption(CURLOPT_CUSTOMREQUEST, "DELETE"); |
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break; |
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View Code Duplication |
case 'PUT': |
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$this->addOption(CURLOPT_CUSTOMREQUEST, "PUT"); |
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if($this->getIsJson()) { |
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$this->addOption(CURLOPT_POSTFIELDS, json_encode($this->params)); |
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} else { |
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$this->addOption(CURLOPT_POSTFIELDS, http_build_query($this->params)); |
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} |
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break; |
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View Code Duplication |
case 'PATCH': |
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$this->addOption(CURLOPT_CUSTOMREQUEST, "PATCH"); |
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if($this->getIsJson()) { |
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$this->addOption(CURLOPT_POSTFIELDS, json_encode($this->params)); |
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} else { |
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$this->addOption(CURLOPT_POSTFIELDS, http_build_query($this->params)); |
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} |
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break; |
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} |
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340
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$this->addOption(CURLOPT_RETURNTRANSFER, true); |
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$this->addOption(CURLOPT_FOLLOWLOCATION, true); |
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$this->addOption(CURLOPT_SSL_VERIFYHOST, false); |
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$this->addOption(CURLOPT_SSL_VERIFYPEER, false); |
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} |
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public function callSrv() |
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{ |
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$this->setDefaults(); |
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$this->applyOptions(); |
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$this->applyHeaders(); |
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if('debug' === Config::getParam('log.level')) { |
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curl_setopt($this->con, CURLOPT_VERBOSE, true); |
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$verbose = fopen('php://temp', 'w+'); |
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curl_setopt($this->con, CURLOPT_STDERR, $verbose); |
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} |
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$result = curl_exec($this->con); |
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$this->result = $this->isJson ? json_decode($result, true) : $result; |
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if('debug' === Config::getParam('log.level')) { |
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rewind($verbose); |
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360
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$verboseLog = stream_get_contents($verbose); |
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Logger::log($verboseLog, LOG_DEBUG, [ |
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'headers' => $this->getHeaders(), |
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'options' => $this->getOptions(), |
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'url' => $this->getUrl(), |
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]); |
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} |
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Logger::log($this->url . ' response: ', LOG_DEBUG, $this->result); |
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$this->info = curl_getinfo($this->con); |
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} |
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371
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/** |
372
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* @return mixed |
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*/ |
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public function getCallInfo() { |
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return $this->info; |
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} |
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} |
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If you define a variable conditionally, it can happen that it is not defined for all execution paths.
Let’s take a look at an example:
In the above example, the variable $x is defined if you pass “foo” or “bar” as argument for $a. However, since the switch statement has no default case statement, if you pass any other value, the variable $x would be undefined.
Available Fixes
Check for existence of the variable explicitly:
Define a default value for the variable:
Add a value for the missing path: