/**
* Sets standard page variables in the case of a controller error.
*/
public function handleError($exception)
{
$errorMessage = ApplicationException::getDetailedMessage($exception);
$this->fatalError = $errorMessage;
$this->vars['fatalError'] = $errorMessage;
}
/**
* Executes the page, layout, component and plugin AJAX handlers.
* @return mixed Returns the AJAX Response object or null.
*/
protected function execAjaxHandlers()
{
if ($handler = trim(Request::header('X_OCTOBER_REQUEST_HANDLER'))) {
try {
/*
* Validate the handler name
*/
if (!preg_match('/^(?:\\w+\\:{2})?on[A-Z]{1}[\\w+]*$/', $handler)) {
throw new CmsException(Lang::get('cms::lang.ajax_handler.invalid_name', ['name' => $handler]));
}
/*
* Validate the handler partial list
*/
if ($partialList = trim(Request::header('X_OCTOBER_REQUEST_PARTIALS'))) {
$partialList = explode('&', $partialList);
foreach ($partialList as $partial) {
if (!preg_match('/^(?:\\w+\\:{2}|@)?[a-z0-9\\_\\-\\.\\/]+$/i', $partial)) {
throw new CmsException(Lang::get('cms::lang.partial.invalid_name', ['name' => $partial]));
}
}
} else {
$partialList = [];
}
$responseContents = [];
/*
* Execute the handler
*/
if (!($result = $this->runAjaxHandler($handler))) {
throw new CmsException(Lang::get('cms::lang.ajax_handler.not_found', ['name' => $handler]));
}
/*
* If the handler returned an array, we should add it to output for rendering.
* If it is a string, add it to the array with the key "result".
*/
if (is_array($result)) {
$responseContents = array_merge($responseContents, $result);
} elseif (is_string($result)) {
$responseContents['result'] = $result;
}
/*
* Render partials and return the response as array that will be converted to JSON automatically.
*/
foreach ($partialList as $partial) {
$responseContents[$partial] = $this->renderPartial($partial);
}
/*
* If the handler returned a redirect, process it so framework.js knows to redirect
* the browser and not the request!
*/
if ($result instanceof RedirectResponse) {
$responseContents['X_OCTOBER_REDIRECT'] = $result->getTargetUrl();
}
return Response::make($responseContents, $this->statusCode);
} catch (ValidationException $ex) {
/*
* Handle validation errors
*/
$responseContents['X_OCTOBER_ERROR_FIELDS'] = $ex->getFields();
$responseContents['X_OCTOBER_ERROR_MESSAGE'] = $ex->getMessage();
return Response::make($responseContents, 406);
} catch (Exception $ex) {
return Response::make(ApplicationException::getDetailedMessage($ex), 500);
}
}
return null;
}
