/**
* Gibt das Vorschaubild eines Screenshots aus
*/
public function getscreenAction()
{
$validatedRequest = $this->getValidatedRequest('Cdn', 'GetScreen', true);
if ($validatedRequest === false) {
return;
}
$screenStreamFilePath = $this->getBusiness()->getScreenStreamFilePath($validatedRequest->getWebsiteId(), $validatedRequest->getId(), $validatedRequest->getType(), array('width' => $validatedRequest->getWidth(), 'height' => $validatedRequest->getHeight()));
if (empty($screenStreamFilePath) || !file_exists($screenStreamFilePath)) {
$screenStreamFilePath = $this->getBusiness()->getDefaultScreenshot();
$this->getResponse()->setHttpResponseCode(404);
}
$screenFileName = $this->getBusiness()->getScreenFileName($validatedRequest->getId(), $validatedRequest->getType());
$response = $this->getResponse();
$response->setHeader('Content-Type', Mimetype::getMimetype($screenStreamFilePath));
$response->setHeader('Cache-Control', 'max-age=0, must-revalidate, private');
$response->setHeader('Content-Disposition', 'inline; filename="' . $screenFileName . '"');
$response->setOutputBodyCallback(function ($response, $chunkSize) use($screenStreamFilePath) {
if (is_file($screenStreamFilePath) && is_readable($screenStreamFilePath)) {
$fd = fopen($screenStreamFilePath, 'rb');
if ($fd !== false) {
while (!feof($fd) && !connection_aborted()) {
print fread($fd, $chunkSize);
$response->flushOutput();
}
fclose($fd);
}
}
});
}
/**
* @param $fileName
*
* @return string
*/
protected function getMimeType($fileName)
{
return \Seitenbau\Mimetype::getMimetype($fileName);
}