public function serveCachedPage()
{
$cache_enabled = $this->getCacheMode();
// If there is no session cookie and cache is enabled (or forced), try
// to serve a cached page.
if (!isset($_COOKIE[session_name()]) && $cache_enabled) {
global $user;
// Make sure there is a user object because its timestamp will be
// checked, hook_boot might check for anonymous user etc.
$user = drupal_anonymous_user();
// Get the page from the cache.
$cache = drupal_page_get_cache();
// If there is a cached page, display it.
if (is_object($cache)) {
header('X-Drupal-Cache: HIT');
// Restore the metadata cached with the page.
$_GET['q'] = $cache->data['path'];
drupal_set_title($cache->data['title'], PASS_THROUGH);
date_default_timezone_set(drupal_get_user_timezone());
// If the skipping of the bootstrap hooks is not enforced, call
// hook_boot.
if (variable_get('page_cache_invoke_hooks', TRUE)) {
bootstrap_invoke_all('boot');
}
drupal_serve_page_from_cache($cache);
// If the skipping of the bootstrap hooks is not enforced, call
// hook_exit.
if (variable_get('page_cache_invoke_hooks', TRUE)) {
bootstrap_invoke_all('exit');
}
// We are done.
exit;
} else {
header('X-Drupal-Cache: MISS');
}
}
}
/**
* {@inheritdoc}
*
* @todo Invoke proper request/response/terminate events.
*/
public function handlePageCache(Request $request)
{
$this->boot();
$this->initializeCookieGlobals($request);
// Check for a cache mode force from settings.php.
if (Settings::get('page_cache_without_database')) {
$cache_enabled = TRUE;
} else {
$config = $this->getContainer()->get('config.factory')->get('system.performance');
$cache_enabled = $config->get('cache.page.use_internal');
}
$request_policy = \Drupal::service('page_cache_request_policy');
if ($cache_enabled && $request_policy->check($request) === RequestPolicyInterface::ALLOW) {
// Get the page from the cache.
$response = drupal_page_get_cache($request);
// If there is a cached page, display it.
if ($response) {
$response->headers->set('X-Drupal-Cache', 'HIT');
drupal_serve_page_from_cache($response, $request);
// We are done.
$response->prepare($request);
$response->send();
exit;
}
}
return $this;
}
/**
* {@inheritdoc}
*
* @todo Invoke proper request/response/terminate events.
*/
public function handlePageCache(Request $request)
{
$this->boot();
$this->initializeCookieGlobals($request);
// Check for a cache mode force from settings.php.
if (Settings::get('page_cache_without_database')) {
$cache_enabled = TRUE;
} else {
$config = $this->getContainer()->get('config.factory')->get('system.performance');
$cache_enabled = $config->get('cache.page.use_internal');
}
// If there is no session cookie and cache is enabled (or forced), try to
// serve a cached page.
if (!$request->cookies->has(session_name()) && $cache_enabled && drupal_page_is_cacheable()) {
// Get the page from the cache.
$response = drupal_page_get_cache($request);
// If there is a cached page, display it.
if ($response) {
$response->headers->set('X-Drupal-Cache', 'HIT');
drupal_serve_page_from_cache($response, $request);
// We are done.
$response->prepare($request);
$response->send();
exit;
}
}
return $this;
}
