/**
* Processes a generic exception into an HTTP 500 response.
*
* @param \Symfony\Component\Debug\Exception\FlattenException $exception
* Metadata about the exception that was thrown.
* @param \Symfony\Component\HttpFoundation\Request $request
* The request object that triggered this exception.
*
* @return \Symfony\Component\HttpFoundation\Response
* A response object.
*/
public function on500Html(FlattenException $exception, Request $request)
{
$error = $this->decodeException($exception);
// Because the kernel doesn't run until full bootstrap, we know that
// most subsystems are already initialized.
$headers = array();
// When running inside the testing framework, we relay the errors
// to the tested site by the way of HTTP headers.
if (DRUPAL_TEST_IN_CHILD_SITE && !headers_sent() && (!defined('SIMPLETEST_COLLECT_ERRORS') || SIMPLETEST_COLLECT_ERRORS)) {
// $number does not use drupal_static as it should not be reset
// as it uniquely identifies each PHP error.
static $number = 0;
$assertion = array($error['!message'], $error['%type'], array('function' => $error['%function'], 'file' => $error['%file'], 'line' => $error['%line']));
$headers['X-Drupal-Assertion-' . $number] = rawurlencode(serialize($assertion));
$number++;
}
watchdog('php', '%type: !message in %function (line %line of %file).', $error, $error['severity_level']);
// Display the message if the current error reporting level allows this type
// of message to be displayed, and unconditionnaly in update.php.
if (error_displayable($error)) {
$class = 'error';
// If error type is 'User notice' then treat it as debug information
// instead of an error message.
// @see debug()
if ($error['%type'] == 'User notice') {
$error['%type'] = 'Debug';
$class = 'status';
}
// Attempt to reduce verbosity by removing DRUPAL_ROOT from the file path
// in the message. This does not happen for (false) security.
$root_length = strlen(DRUPAL_ROOT);
if (substr($error['%file'], 0, $root_length) == DRUPAL_ROOT) {
$error['%file'] = substr($error['%file'], $root_length + 1);
}
// Should not translate the string to avoid errors producing more errors.
$message = String::format('%type: !message in %function (line %line of %file).', $error);
// Check if verbose error reporting is on.
$error_level = $this->container->get('config.factory')->get('system.logging')->get('error_level');
if ($error_level == ERROR_REPORTING_DISPLAY_VERBOSE) {
$backtrace_exception = $exception;
while ($backtrace_exception->getPrevious()) {
$backtrace_exception = $backtrace_exception->getPrevious();
}
$backtrace = $backtrace_exception->getTrace();
// First trace is the error itself, already contained in the message.
// While the second trace is the error source and also contained in the
// message, the message doesn't contain argument values, so we output it
// once more in the backtrace.
array_shift($backtrace);
// Generate a backtrace containing only scalar argument values.
$message .= '<pre class="backtrace">' . Error::formatFlattenedBacktrace($backtrace) . '</pre>';
}
drupal_set_message(SafeMarkup::set($message), $class, TRUE);
}
$content = $this->t('The website has encountered an error. Please try again later.');
$output = DefaultHtmlPageRenderer::renderPage($content, $this->t('Error'));
$response = new Response($output);
$response->setStatusCode(500, '500 Service unavailable (with message)');
return $response;
}
}
case 'info':
$regions['sidebar_first'] = update_task_list('info');
$output = update_info_page();
break;
case 'results':
$regions['sidebar_first'] = update_task_list();
$output = update_results_page();
break;
// Regular batch ops : defer to batch processing API.
// Regular batch ops : defer to batch processing API.
default:
$regions['sidebar_first'] = update_task_list('run');
$output = _batch_page($request);
break;
}
} else {
$output = update_access_denied_page();
}
if (isset($output) && $output) {
// Explicitly start a session so that the update.php token will be accepted.
\Drupal::service('session_manager')->start();
// We defer the display of messages until all updates are done.
$progress_page = ($batch = batch_get()) && isset($batch['running']);
if ($output instanceof Response) {
$output->send();
} else {
drupal_add_http_header('Content-Type', 'text/html; charset=utf-8');
print DefaultHtmlPageRenderer::renderPage($output, $output['#title'], 'maintenance', $regions + array('#show_messages' => !$progress_page));
}
}
if (is_array($results['tasks'])) {
$links += $results['tasks'];
} else {
$links = array_merge($links, array(\Drupal::l(t('Administration pages'), new Url('system.admin')), \Drupal::l(t('Front page'), new Url('<front>'))));
}
$item_list = array('#theme' => 'item_list', '#items' => $links, '#title' => t('Next steps'));
$output .= drupal_render_root($item_list);
} elseif ($request->query->has('batch')) {
$output = _batch_page($request);
} else {
if (empty($_SESSION['authorize_operation']) || empty($_SESSION['authorize_filetransfer_info'])) {
$output = t('It appears you have reached this page in error.');
} elseif (!($batch = batch_get())) {
// We have a batch to process, show the filetransfer form.
$elements = \Drupal::formBuilder()->getForm('Drupal\\Core\\FileTransfer\\Form\\FileTransferAuthorizeForm');
$output = drupal_render_root($elements);
}
}
// We defer the display of messages until all operations are done.
$show_messages = !(($batch = batch_get()) && isset($batch['running']));
} else {
$response->setStatusCode(403);
\Drupal::logger('access denied')->warning('authorize.php');
$page_title = t('Access denied');
$output = t('You are not allowed to access this page.');
}
if (!empty($output)) {
$response->headers->set('Content-Type', 'text/html; charset=utf-8');
$response->setContent(DefaultHtmlPageRenderer::renderPage($output, $page_title, 'maintenance', array('#show_messages' => $show_messages)));
$response->send();
}
/**
* Handles any exception as a generic error page for HTML.
*
* @param \Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent $event
* The event to process.
*/
protected function onHtml(GetResponseForExceptionEvent $event)
{
$exception = $event->getException();
$error = Error::decodeException($exception);
$flatten_exception = FlattenException::create($exception, 500);
// Display the message if the current error reporting level allows this type
// of message to be displayed, and unconditionally in update.php.
if (error_displayable($error)) {
$class = 'error';
// If error type is 'User notice' then treat it as debug information
// instead of an error message.
// @see debug()
if ($error['%type'] == 'User notice') {
$error['%type'] = 'Debug';
$class = 'status';
}
// Attempt to reduce verbosity by removing DRUPAL_ROOT from the file path
// in the message. This does not happen for (false) security.
$root_length = strlen(DRUPAL_ROOT);
if (substr($error['%file'], 0, $root_length) == DRUPAL_ROOT) {
$error['%file'] = substr($error['%file'], $root_length + 1);
}
// Do not translate the string to avoid errors producing more errors.
unset($error['backtrace']);
$message = String::format('%type: !message in %function (line %line of %file).', $error);
// Check if verbose error reporting is on.
if ($this->getErrorLevel() == ERROR_REPORTING_DISPLAY_VERBOSE) {
$backtrace_exception = $flatten_exception;
while ($backtrace_exception->getPrevious()) {
$backtrace_exception = $backtrace_exception->getPrevious();
}
$backtrace = $backtrace_exception->getTrace();
// First trace is the error itself, already contained in the message.
// While the second trace is the error source and also contained in the
// message, the message doesn't contain argument values, so we output it
// once more in the backtrace.
array_shift($backtrace);
// Generate a backtrace containing only scalar argument values.
$message .= '<pre class="backtrace">' . Error::formatFlattenedBacktrace($backtrace) . '</pre>';
}
drupal_set_message(SafeMarkup::set($message), $class, TRUE);
}
$content = $this->t('The website has encountered an error. Please try again later.');
$output = DefaultHtmlPageRenderer::renderPage($content, $this->t('Error'));
$response = new Response($output);
if ($exception instanceof HttpExceptionInterface) {
$response->setStatusCode($exception->getStatusCode());
} else {
$response->setStatusCode(Response::HTTP_INTERNAL_SERVER_ERROR, '500 Service unavailable (with message)');
}
$event->setResponse($response);
}
$links = array();
if (is_array($results['tasks'])) {
$links += $results['tasks'];
} else {
$links = array_merge($links, array(l(t('Administration pages'), 'admin'), l(t('Front page'), '<front>')));
}
$item_list = array('#theme' => 'item_list', '#items' => $links, '#title' => t('Next steps'));
$output .= drupal_render($item_list);
} elseif ($request->query->has('batch')) {
$output = _batch_page($request);
} else {
if (empty($_SESSION['authorize_operation']) || empty($_SESSION['authorize_filetransfer_info'])) {
$output = t('It appears you have reached this page in error.');
} elseif (!($batch = batch_get())) {
// We have a batch to process, show the filetransfer form.
$elements = \Drupal::formBuilder()->getForm('Drupal\\Core\\FileTransfer\\Form\\FileTransferAuthorizeForm');
$output = drupal_render($elements);
}
}
// We defer the display of messages until all operations are done.
$show_messages = !(($batch = batch_get()) && isset($batch['running']));
} else {
drupal_add_http_header('Status', '403 Forbidden');
\Drupal::logger('access denied')->warning('authorize.php');
$page_title = t('Access denied');
$output = t('You are not allowed to access this page.');
}
if (!empty($output)) {
drupal_add_http_header('Content-Type', 'text/html; charset=utf-8');
print DefaultHtmlPageRenderer::renderPage($output, $page_title, 'maintenance', array('#show_messages' => $show_messages));
}
/**
* Prevents page redirection so that the developer can see the intermediate debug data.
* @param FilterResponseEvent $event
*/
public function onResponse(FilterResponseEvent $event)
{
$response = $event->getResponse();
if ($response instanceof RedirectResponse && !devel_silent()) {
if ($this->account->hasPermission('access devel information') && $this->config->get('redirect_page')) {
$output = t_safe('<p>The user is being redirected to <a href="@destination">@destination</a>.</p>', array('@destination' => $response->getTargetUrl()));
// Replace RedirectResponse with a fresh Response that includes our content.
// We pass array() as last param in order to avoid adding regions which would add queries, etc.
$response = new Response(DefaultHtmlPageRenderer::renderPage($output, 'Devel Redirect', '', array()), 200);
$event->setResponse($response);
} else {
$GLOBALS['devel_redirecting'] = TRUE;
}
}
}
/**
* Returns the site maintenance page if the site is offline.
*
* @param \Symfony\Component\HttpKernel\Event\GetResponseEvent $event
* The event to process.
*/
public function onKernelRequestMaintenance(GetResponseEvent $event)
{
$route_match = RouteMatch::createFromRequest($event->getRequest());
if ($this->maintenanceMode->applies($route_match)) {
if (!$this->maintenanceMode->exempt($this->account)) {
// Deliver the 503 page if the site is in maintenance mode and the
// logged in user is not allowed to bypass it.
drupal_maintenance_theme();
$content = Xss::filterAdmin(String::format($this->config->get('system.maintenance')->get('message'), array('@site' => $this->config->get('system.site')->get('name'))));
// @todo Break the dependency on DefaultHtmlPageRenderer, see:
// https://www.drupal.org/node/2295609
$content = DefaultHtmlPageRenderer::renderPage($content, $this->t('Site under maintenance'));
$response = new Response('Service unavailable', 503);
$response->setContent($content);
$event->setResponse($response);
} else {
// Display a message if the logged in user has access to the site in
// maintenance mode. However, suppress it on the maintenance mode
// settings page.
if ($route_match->getRouteName() != 'system.site_maintenance_mode') {
if ($this->account->hasPermission('administer site configuration')) {
$this->drupalSetMessage($this->t('Operating in maintenance mode. <a href="@url">Go online.</a>', array('@url' => $this->urlGenerator->generate('system.site_maintenance_mode'))), 'status', FALSE);
} else {
$this->drupalSetMessage($this->t('Operating in maintenance mode.'), 'status', FALSE);
}
}
}
}
}
/**
* Returns a database update page.
*
* @param string $op
* The update operation to perform. Can be any of the below:
* - info
* - selection
* - run
* - results
* @param \Symfony\Component\HttpFoundation\Request $request
* The current request object.
*
* @return \Symfony\Component\HttpFoundation\Response
* A response object object.
*/
public function handle($op, Request $request)
{
require_once DRUPAL_ROOT . '/core/includes/install.inc';
require_once DRUPAL_ROOT . '/core/includes/update.inc';
drupal_load_updates();
update_fix_compatibility();
if ($request->query->get('continue')) {
$_SESSION['update_ignore_warnings'] = TRUE;
}
$regions = array();
$requirements = update_check_requirements();
$severity = drupal_requirements_severity($requirements);
if ($severity == REQUIREMENT_ERROR || $severity == REQUIREMENT_WARNING && empty($_SESSION['update_ignore_warnings'])) {
$regions['sidebar_first'] = $this->updateTasksList('requirements');
$output = $this->requirements($severity, $requirements);
} else {
switch ($op) {
case 'selection':
$regions['sidebar_first'] = $this->updateTasksList('selection');
$output = $this->selection();
break;
case 'run':
$regions['sidebar_first'] = $this->updateTasksList('run');
$output = $this->triggerBatch($request);
break;
case 'info':
$regions['sidebar_first'] = $this->updateTasksList('info');
$output = $this->info();
break;
case 'results':
$regions['sidebar_first'] = $this->updateTasksList('results');
$output = $this->results();
break;
// Regular batch ops : defer to batch processing API.
// Regular batch ops : defer to batch processing API.
default:
require_once DRUPAL_ROOT . '/core/includes/batch.inc';
$regions['sidebar_first'] = $this->updateTasksList('run');
$output = _batch_page($request);
break;
}
}
if ($output instanceof Response) {
return $output;
}
$title = isset($output['#title']) ? $output['#title'] : $this->t('Drupal database update');
return new Response(DefaultHtmlPageRenderer::renderPage($output, $title, 'maintenance', $regions));
}