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<?php
/**
* @file
* Theming for maintenance pages.
*/
use Drupal\Core\Installer\InstallerKernel;
use Drupal\Core\Site\Settings;
/**
* Sets up the theming system for maintenance page.
*
* Used for site installs, updates and when the site is in maintenance mode.
* It also applies when the database is unavailable or bootstrap was not
* complete. Claro is always used for the initial install and update
* operations, but this can be overridden by setting a "maintenance_theme" key
* in the $settings variable in settings.php.
*/
function _drupal_maintenance_theme(): void {
// If the theme is already set, assume the others are set too, and do nothing.
if (\Drupal::theme()->hasActiveTheme()) {
return;
}
require_once __DIR__ . '/theme.inc';
require_once __DIR__ . '/common.inc';
require_once __DIR__ . '/module.inc';
// Install and update pages are treated differently to prevent theming
// overrides.
if (defined('MAINTENANCE_MODE') && (MAINTENANCE_MODE == 'install' || MAINTENANCE_MODE == 'update')) {
if (InstallerKernel::installationAttempted()) {
$custom_theme = $GLOBALS['install_state']['theme'];
}
else {
$custom_theme = Settings::get('maintenance_theme', 'claro');
}
}
else {
// Use the maintenance theme if specified, otherwise attempt to use the
// default site theme.
try {
$custom_theme = Settings::get('maintenance_theme', '');
if (!$custom_theme) {
$config = \Drupal::config('system.theme');
$custom_theme = $config->get('default');
}
}
catch (\Exception) {
// Whatever went wrong (often a database connection problem), we are
// about to fall back to a sensible theme so there is no need for special
// handling.
}
if (!$custom_theme) {
// We have been unable to identify the configured theme, so fall back to
// a safe default. Claro is reasonably user friendly and fairly generic.
$custom_theme = 'claro';
}
}
$themes = \Drupal::service('theme_handler')->listInfo();
// If no themes are installed yet, or if the requested custom theme is not
// installed, retrieve all available themes.
/** @var \Drupal\Core\Theme\ThemeInitialization $theme_init */
$theme_init = \Drupal::service('theme.initialization');
$theme_handler = \Drupal::service('theme_handler');
if (empty($themes) || !isset($themes[$custom_theme])) {
$themes = \Drupal::service('extension.list.theme')->getList();
$theme_handler->addTheme($themes[$custom_theme]);
}
// \Drupal\Core\Extension\ThemeHandlerInterface::listInfo() triggers a
// \Drupal\Core\Extension\ModuleHandler::alter() in maintenance mode, but we
// can't let themes alter the .info.yml data until we know a theme's base
// themes. So don't set active theme until after
// \Drupal\Core\Extension\ThemeHandlerInterface::listInfo() builds its cache.
$theme = $custom_theme;
// Find all our ancestor themes and put them in an array.
// @todo This is just a workaround. Find a better way how to handle themes
// on maintenance pages, see https://www.drupal.org/node/2322619.
// This code is basically a duplicate of
// \Drupal\Core\Theme\ThemeInitialization::getActiveThemeByName.
$base_themes = [];
$ancestor = $theme;
while ($ancestor && isset($themes[$ancestor]->base_theme)) {
$base_themes[] = $themes[$themes[$ancestor]->base_theme];
$ancestor = $themes[$ancestor]->base_theme;
if ($ancestor) {
// Ensure that the base theme is added and installed.
$theme_handler->addTheme($themes[$ancestor]);
}
}
\Drupal::theme()->setActiveTheme($theme_init->getActiveTheme($themes[$custom_theme], $base_themes));
// Prime the theme registry.
Drupal::service('theme.registry');
}
/**
* Prepares variables for authorize.php operation report templates.
*
* This report displays the results of an operation run via authorize.php.
*
* Default template: authorize-report.html.twig.
*
* @param array $variables
* An associative array containing:
* - messages: An array of result messages.
*
* @deprecated in drupal:11.2.0 and is removed from drupal:12.0.0. There is no
* replacement. Use composer to manage the code for your site.
*
* @see https://www.drupal.org/node/3522119
*/
function template_preprocess_authorize_report(&$variables): void {
@trigger_error(__FUNCTION__ . '() is deprecated in drupal:11.2.0 and is removed from drupal:12.0.0. There is no replacement. Use composer to manage the code for your site. See https://www.drupal.org/node/3522119', E_USER_DEPRECATED);
$messages = [];
if (!empty($variables['messages'])) {
foreach ($variables['messages'] as $heading => $logs) {
$items = [];
foreach ($logs as $number => $log_message) {
if ($number === '#abort') {
continue;
}
$class = 'authorize-results__' . ($log_message['success'] ? 'success' : 'failure');
$items[] = [
'#wrapper_attributes' => ['class' => [$class]],
'#markup' => $log_message['message'],
];
}
$messages[] = [
'#theme' => 'item_list',
'#items' => $items,
'#title' => $heading,
];
}
}
$variables['messages'] = $messages;
}
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