/**
* Create reference for media.
*
* @param MediaInterface $media
*
* @return bool
*/
public function createReference(MediaInterface $media)
{
$allowed = false;
foreach ($this->contexts as $context) {
if (in_array($media->getExtension(), $context)) {
$allowed = true;
break;
}
}
if ($allowed === false) {
$this->error = array('error.extensionNotAllowed', array('%extension%' => $media->getExtension()));
return false;
}
// secure extension for reference
if (!in_array($media->getExtension(), $this->trustedExtensions)) {
$media->setExtension($media->getExtension() . '.txt');
$media->setType($media::OTHER);
}
do {
$media->setReference(sha1(microtime(true) . mt_rand()) . '.' . $media->getExtension());
} while ($this->filesystemManipulator->has($this->originalDir . '/' . $media->getReference()));
return true;
}