/home/techb158/dev.balacoffee.com/vendor/symfony/http-kernel/HttpCache
Edit: /home/techb158/dev.balacoffee.com/vendor/symfony/http-kernel/HttpCache/Ssi.php (2674B)
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\HttpKernel\HttpCache;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
/**
* Ssi implements the SSI capabilities to Request and Response instances.
*
* @author Sebastian Krebs
*/
class Ssi extends AbstractSurrogate
{
/**
* {@inheritdoc}
*/
public function getName()
{
return 'ssi';
}
/**
* {@inheritdoc}
*/
public function addSurrogateControl(Response $response)
{
if (str_contains($response->getContent(), '', $uri);
}
/**
* {@inheritdoc}
*/
public function process(Request $request, Response $response)
{
$type = $response->headers->get('Content-Type');
if (empty($type)) {
$type = 'text/html';
}
$parts = explode(';', $type);
if (!\in_array($parts[0], $this->contentTypes)) {
return $response;
}
// we don't use a proper XML parser here as we can have SSI tags in a plain text response
$content = $response->getContent();
$boundary = self::generateBodyEvalBoundary();
$chunks = preg_split('##', $content, -1, \PREG_SPLIT_DELIM_CAPTURE);
$i = 1;
while (isset($chunks[$i])) {
$options = [];
preg_match_all('/(virtual)="([^"]*?)"/', $chunks[$i], $matches, \PREG_SET_ORDER);
foreach ($matches as $set) {
$options[$set[1]] = $set[2];
}
if (!isset($options['virtual'])) {
throw new \RuntimeException('Unable to process an SSI tag without a "virtual" attribute.');
}
$chunks[$i] = $boundary.$options['virtual']."\n\n\n";
$i += 2;
}
$content = $boundary.implode('', $chunks).$boundary;
$response->setContent($content);
$response->headers->set('X-Body-Eval', 'SSI');
// remove SSI/1.0 from the Surrogate-Control header
$this->removeFromControl($response);
return $response;
}
}