/**
* Cleans up the expired tokens after writing
*/
protected function onAfterWrite()
{
parent::onAfterWrite();
//Clean up the expired tokens
$expiredTokens = KapostPreviewToken::get()->filter('Created:LessThan', date('Y-m-d H:i:s', strtotime('-' . KapostService::config()->preview_token_expiry . ' minutes')));
if ($expiredTokens->count() > 0) {
foreach ($expiredTokens as $token) {
$token->delete();
}
}
}
/**
* Handles rendering of the preview for an object
* @return {string} Response to send to the object
*/
public function preview()
{
$auth = $this->request->getVar('auth');
$token = KapostPreviewToken::get()->filter('Code', Convert::raw2sql($auth))->first();
//Verify the token exists and hasn't expired yet
if (!empty($token) && $token !== false && $token->exists() && time() - strtotime($token->Created) < self::config()->preview_token_expiry * 60 && $token->KapostRefID == $this->urlParams['ID']) {
$kapostObj = KapostObject::get()->filter('KapostRefID', Convert::raw2sql($this->urlParams['ID']))->sort('"Created" DESC')->first();
if (!empty($kapostObj) && $kapostObj !== false && $kapostObj->exists()) {
$previewController = $kapostObj->renderPreview();
$this->extend('updatePreviewDisplay', $kapostObj, $previewController);
return $previewController;
}
}
//Token expired or object not found
if (class_exists('ErrorPage')) {
$response = ErrorPage::response_for(404);
if (!empty($response)) {
return $response;
}
}
return parent::httpError(404);
}
