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<?php
/**
* Piwik - free/libre analytics platform
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
*/
namespace Piwik\Plugins\API\Renderer;
use Piwik\API\ApiRenderer;
use Piwik\Common;
use Piwik\DataTable\Renderer;
use Piwik\Piwik;
use Piwik\ProxyHttp;
/**
* API output renderer for JSON.
* NOTE: This is the old JSON format. It includes bugs that are fixed in the JSON2 API output format.
* Please use json2 format instead of this.
*
* @deprecated
*/
class Json extends ApiRenderer
{
public function renderSuccess($message)
{
$result = json_encode(array('result' => 'success', 'message' => $message));
return $this->applyJsonpIfNeeded($result);
}
/**
* @param $message
* @param Exception|\Throwable $exception
* @param \Exception|\Throwable $exception
* @return string
*/
public function renderException($message, $exception)
{
$exceptionMessage = str_replace(array("\r\n", "\n"), "", $message);
$result = json_encode(array('result' => 'error', 'message' => $exceptionMessage));
return $this->applyJsonpIfNeeded($result);
}
public function renderDataTable($dataTable)
{
$result = parent::renderDataTable($dataTable);
return $this->applyJsonpIfNeeded($result);
}
public function renderArray($array)
{
if (Piwik::isMultiDimensionalArray($array)) {
$jsonRenderer = Renderer::factory('json');
$jsonRenderer->setTable($array);
$result = $jsonRenderer->render();
return $this->applyJsonpIfNeeded($result);
}
return $this->renderDataTable($array);
}
public function sendHeader()
{
if ($this->isJsonp()) {
Common::sendHeader('Content-Type: application/javascript; charset=utf-8');
} else {
Renderer\Json::sendHeaderJSON();
}
ProxyHttp::overrideCacheControlHeaders();
}
private function isJsonp()
{
$callback = $this->getJsonpCallback();
if (false === $callback) {
return false;
}
return preg_match('/^[0-9a-zA-Z_.]*$/D', $callback) > 0;
}
private function getJsonpCallback()
{
$jsonCallback = Common::getRequestVar('callback', false, null, $this->request);
if ($jsonCallback === false) {
$jsonCallback = Common::getRequestVar('jsoncallback', false, null, $this->request);
}
return $jsonCallback;
}
/**
* @param $str
* @return string
*/
private function applyJsonpIfNeeded($str)
{
if ($this->isJsonp()) {
$jsonCallback = $this->getJsonpCallback();
$str = $jsonCallback . "(" . $str . ")";
}
return $str;
}
}
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