getRequestTime();
$state = \Drupal::state();
$file_system = \Drupal::service('file_system');
// Ensure the htaccess files exist.
AssetOptimizer::generateHtaccess('css');
AssetOptimizer::generateHtaccess('js');
// Execute only if been longer than advagg cron setting since last run.
if (!$bypass && $state->get('advagg.cron_timestamp', $time) > ($time - \Drupal::config('advagg.settings')->get('cron_frequency'))) {
return [];
}
$state->set('advagg.cron_timestamp', $time);
$outdated = ['css' => [], 'js' => []];
$file_system = \Drupal::service('file_system');
$cache = \Drupal::cache('advagg');
foreach (['css', 'js'] as $type) {
$path = $file_system->realpath("public://{$type}/optimized");
if ($files = glob("{$path}/*.{$type}")) {
foreach ($files as $file) {
// Only delete files older than 1 week.
if (filemtime($file) > ($time - 604800)) {
continue;
}
$filename = str_replace(['css_', 'js_'], '', pathinfo($file, PATHINFO_FILENAME));
$cid = substr($filename, 0, strpos($filename, '.'));
if (!$cache->get($cid)) {
@$file_system->delete($file);
@$file_system->delete("{$file}.gz");
$outdated[$type][] = "{$filename}.{$type}";
}
}
}
}
return $outdated;
}
/**
* Implements hook_js_alter().
*
* Pass the JavaScript array to the optimizer service.
*/
function advagg_js_alter(&$js) {
// Skip if advagg is disabled.
if (!advagg_enabled()) {
return;
}
$js_optimizer = \Drupal::service('advagg.optimizer.js');
$js_optimizer->processAssetArray($js);
}
/**
* Implements hook_css_alter().
*
* Pass the CSS array to the optimizer service.
*/
function advagg_css_alter(&$css) {
// Skip if advagg is disabled.
if (!advagg_enabled()) {
return;
}
$css_optimizer = \Drupal::service('advagg.optimizer.css');
$css_optimizer->processAssetArray($css);
}
/**
* Implements hook_form_FORM_ID_alter().
*
* Give advice on how to temporarily disable css/js aggregation.
*/
function advagg_form_system_performance_settings_alter(&$form) {
$msg = t('NOTE: If you wish to bypass AdvAgg optimizations for a set amount of time, you can go to the AdvAgg operations page and press the "optimization bypass cookie" button.', [
'@operations' => Url::fromRoute('advagg.operations')->toString(),
]);
if (\Drupal::currentUser()->hasPermission('bypass advanced aggregation')) {
$msg .= ' ' . t('You can also selectively bypass AdvAgg optimization by adding @code to the URL of any page.', [
'@code' => '?advagg=0',
]);
}
else {
$msg .= ' ' . t('You do not have the bypass advanced aggregation permission so adding @code to the URL will not work at this time for you; either grant this permission to your user role or use the bypass cookie if you wish to selectively bypass AdvAgg optimizations.', [
'@permission' => Url::fromRoute('user.admin_permissions')->toString(),
'@code' => '?advagg=0',
]);
}
$form['bandwidth_optimization']['advagg_note'] = [
'#markup' => $msg,
];
}
/**
* Function used to check if AdvAgg is enabled.
*
* Most often will be the value of advagg.settings.enabled, but may also be
* affected by maintenance mode, debug cookies and or $_GET variables.
*
* @return bool
* Whether AdvAgg functionality should be used.
*/
function advagg_enabled() {
$init = &drupal_static(__FUNCTION__);
$messenger = \Drupal::messenger();
if (!empty($init)) {
return $init['advagg'];
}
$advagg_config = \Drupal::config('advagg.settings');
$user = \Drupal::currentUser();
$init['advagg'] = $advagg_config->get('enabled');
// Disable AdvAgg if maintenance mode is defined.
if (defined('MAINTENANCE_MODE')) {
$init['advagg'] = FALSE;
return FALSE;
}
// Allow for AdvAgg to be enabled/disabled per request.
if (isset($_GET['advagg']) && $user->hasPermission('bypass advanced aggregation')) {
if ($_GET['advagg'] == 1) {
$init['advagg'] = TRUE;
}
else {
$init['advagg'] = FALSE;
}
}
// Do not use AdvAgg if the disable cookie is set.
$cookie_name = 'AdvAggDisabled';
$key = Crypt::hashBase64(\Drupal::service('private_key')->get());
if (!empty($_COOKIE[$cookie_name]) && $_COOKIE[$cookie_name] == $key) {
$init['advagg'] = FALSE;
// Let the user know that the AdvAgg bypass cookie is currently set.
static $msg_set;
if (!isset($msg_set) && $advagg_config->get('show_bypass_cookie_message')) {
$msg_set = TRUE;
if (\Drupal::currentUser()->hasPermission('administer site configuration')) {
$messenger->addMessage(t('The AdvAgg bypass cookie is currently enabled. Turn it off by going to the AdvAgg Operations page and clicking the Toggle the "aggregation bypass cookie" for this browser button.', [
'@advagg_operations' => Url::fromRoute('advagg.operations', [], ['fragment' => 'edit-bypass'])->toString(),
]));
}
else {
$messenger->addMessage(t('The AdvAgg bypass cookie is currently enabled. Turn it off by logging in with a user with the "administer site configuration" permissions and going to the AdvAgg Operations page and clicking the Toggle the "aggregation bypass cookie" for this browser button.', [
'@login' => '/user/login',
'@advagg_operations' => Url::fromRoute('advagg.operations')->toString(),
]));
}
}
}
return $init['advagg'];
}
/**
* Get back what core asset hooks are implemented.
*
* @return array
* List of hooks and what modules have implemented them.
*/
function advagg_hooks_implemented() {
$module_handler = \Drupal::moduleHandler();
$hooks = [
'js_alter' => [],
'css_alter' => [],
'page_attachments_alter' => [],
];
// Cache module_implements as this will load up .inc files.
$cid = 'advagg_hooks_implemented';
$cache = \Drupal::cache('advagg')->get($cid);
if (!empty($cache->data)) {
return $cache->data;
}
foreach ($hooks as $hook => $values) {
$hooks[$hook] = $module_handler->getImplementations($hook);
}
\Drupal::cache('advagg')->set($cid, $hooks, \Drupal::time()->getRequestTime() + 600);
return $hooks;
}