Check if there are any messages
| public static hasMessages ( string $strScope = TL_MODE ) : boolean | ||
| $strScope | string | An optional message scope |
| Результат | boolean | True if there are messages |
/**
* Add the template output to the cache and add the cache headers
*/
protected function addToCache()
{
/** @var PageModel $objPage */
global $objPage;
$intCache = 0;
// Decide whether the page shall be cached
if (!isset($_GET['file']) && !isset($_GET['token']) && empty($_POST) && !BE_USER_LOGGED_IN && !FE_USER_LOGGED_IN && !$_SESSION['DISABLE_CACHE'] && !isset($_SESSION['LOGIN_ERROR']) && !\Message::hasMessages() && intval($objPage->cache) > 0 && !$objPage->protected) {
$intCache = time() + intval($objPage->cache);
}
// Server-side cache
if ($intCache > 0 && (\Config::get('cacheMode') == 'both' || \Config::get('cacheMode') == 'server')) {
// If the request string is empty, use a special cache tag which considers the page language
if (\Environment::get('relativeRequest') == '') {
$strCacheKey = \Environment::get('host') . '/empty.' . $objPage->language;
} else {
$strCacheKey = \Environment::get('host') . '/' . \Environment::get('relativeRequest');
}
// HOOK: add custom logic
if (isset($GLOBALS['TL_HOOKS']['getCacheKey']) && is_array($GLOBALS['TL_HOOKS']['getCacheKey'])) {
foreach ($GLOBALS['TL_HOOKS']['getCacheKey'] as $callback) {
$this->import($callback[0]);
$strCacheKey = $this->{$callback[0]}->{$callback[1]}($strCacheKey);
}
}
// Add a suffix if there is a mobile layout (see #7826)
if ($objPage->mobileLayout > 0) {
if (\Input::cookie('TL_VIEW') == 'mobile' || \Environment::get('agent')->mobile && \Input::cookie('TL_VIEW') != 'desktop') {
$strCacheKey .= '.mobile';
} else {
$strCacheKey .= '.desktop';
}
}
// Replace insert tags for caching
$strBuffer = $this->replaceInsertTags($this->strBuffer);
$strBuffer = $this->replaceDynamicScriptTags($strBuffer);
// see #4203
// Add the cache file header
$strHeader = sprintf("<?php /* %s */ \$expire = %d; \$content = %s; \$type = %s; \$files = %s; \$assets = %s; ?>\n", $strCacheKey, (int) $intCache, var_export($this->strContentType, true), var_export($objPage->type, true), var_export(TL_FILES_URL, true), var_export(TL_ASSETS_URL, true));
$strCachePath = str_replace(TL_ROOT . '/', '', \System::getContainer()->getParameter('kernel.cache_dir'));
// Create the cache file
$strMd5CacheKey = md5($strCacheKey);
$objFile = new \File($strCachePath . '/contao/html/' . substr($strMd5CacheKey, 0, 1) . '/' . $strMd5CacheKey . '.html');
$objFile->write($strHeader);
$objFile->append($this->minifyHtml($strBuffer), '');
$objFile->close();
}
// Client-side cache
if (!headers_sent()) {
if ($intCache > 0 && (\Config::get('cacheMode') == 'both' || \Config::get('cacheMode') == 'browser')) {
header('Cache-Control: private, max-age=' . ($intCache - time()));
header('Last-Modified: ' . gmdate('D, d M Y H:i:s', time()) . ' GMT');
header('Expires: ' . gmdate('D, d M Y H:i:s', $intCache) . ' GMT');
} else {
header('Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0');
header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
header('Expires: Fri, 06 Jun 1975 15:10:00 GMT');
}
}
}
/**
* Check whether there is a cached version of the page and return a response object
*
* @return Response|null
*/
public static function getResponseFromCache()
{
// Build the page if a user is (potentially) logged in or there is POST data
if (!empty($_POST) || \Input::cookie('BE_USER_AUTH') || \Input::cookie('FE_USER_AUTH') || \Input::cookie('FE_AUTO_LOGIN') || $_SESSION['DISABLE_CACHE'] || isset($_SESSION['LOGIN_ERROR']) || \Message::hasMessages() || \Config::get('debugMode')) {
return null;
}
$strCacheDir = \System::getContainer()->getParameter('kernel.cache_dir');
// Try to map the empty request
if (\Environment::get('relativeRequest') == '') {
// Return if the language is added to the URL and the empty domain will be redirected
if (\Config::get('addLanguageToUrl') && !\Config::get('doNotRedirectEmpty')) {
return null;
}
$strCacheKey = null;
$arrLanguage = \Environment::get('httpAcceptLanguage');
$strMappingFile = $strCacheDir . '/contao/config/mapping.php';
// Try to get the cache key from the mapper array
if (file_exists($strMappingFile)) {
$arrMapper = (include $strMappingFile);
$arrPaths = array(\Environment::get('host'), '*');
// Try the language specific keys
foreach ($arrLanguage as $strLanguage) {
foreach ($arrPaths as $strPath) {
$strKey = $strPath . '/empty.' . $strLanguage;
if (isset($arrMapper[$strKey])) {
$strCacheKey = $arrMapper[$strKey];
break;
}
}
}
// Try the fallback key
if ($strCacheKey === null) {
foreach ($arrPaths as $strPath) {
$strKey = $strPath . '/empty.fallback';
if (isset($arrMapper[$strKey])) {
$strCacheKey = $arrMapper[$strKey];
break;
}
}
}
}
// Fall back to the first accepted language
if ($strCacheKey === null) {
$strCacheKey = \Environment::get('host') . '/empty.' . $arrLanguage[0];
}
} else {
$strCacheKey = \Environment::get('host') . '/' . \Environment::get('relativeRequest');
}
// HOOK: add custom logic
if (isset($GLOBALS['TL_HOOKS']['getCacheKey']) && is_array($GLOBALS['TL_HOOKS']['getCacheKey'])) {
foreach ($GLOBALS['TL_HOOKS']['getCacheKey'] as $callback) {
$strCacheKey = \System::importStatic($callback[0])->{$callback[1]}($strCacheKey);
}
}
$blnFound = false;
$strCacheFile = null;
// Check for a mobile layout
if (\Input::cookie('TL_VIEW') == 'mobile' || \Environment::get('agent')->mobile && \Input::cookie('TL_VIEW') != 'desktop') {
$strMd5CacheKey = md5($strCacheKey . '.mobile');
$strCacheFile = $strCacheDir . '/contao/html/' . substr($strMd5CacheKey, 0, 1) . '/' . $strMd5CacheKey . '.html';
if (file_exists($strCacheFile)) {
$blnFound = true;
}
} else {
$strMd5CacheKey = md5($strCacheKey . '.desktop');
$strCacheFile = $strCacheDir . '/contao/html/' . substr($strMd5CacheKey, 0, 1) . '/' . $strMd5CacheKey . '.html';
if (file_exists($strCacheFile)) {
$blnFound = true;
}
}
// Check for a regular layout
if (!$blnFound) {
$strMd5CacheKey = md5($strCacheKey);
$strCacheFile = $strCacheDir . '/contao/html/' . substr($strMd5CacheKey, 0, 1) . '/' . $strMd5CacheKey . '.html';
if (file_exists($strCacheFile)) {
$blnFound = true;
}
}
// Return if the file does not exist
if (!$blnFound) {
return null;
}
$expire = null;
$content = null;
$type = null;
$files = null;
$assets = null;
// Include the file
ob_start();
require_once $strCacheFile;
// The file has expired
if ($expire < time()) {
ob_end_clean();
return null;
}
// Define the static URL constants (see #7914)
define('TL_FILES_URL', $files);
define('TL_ASSETS_URL', $assets);
// Read the buffer
$strBuffer = ob_get_clean();
/** @var AttributeBagInterface $session */
$session = \System::getContainer()->get('session')->getBag('contao_frontend');
// Session required to determine the referer
$data = $session->all();
// Set the new referer
if (!isset($_GET['pdf']) && !isset($_GET['file']) && !isset($_GET['id']) && $data['referer']['current'] != \Environment::get('requestUri')) {
$data['referer']['last'] = $data['referer']['current'];
$data['referer']['current'] = substr(\Environment::get('requestUri'), strlen(\Environment::get('path')) + 1);
}
// Store the session data
$session->replace($data);
// Load the default language file (see #2644)
\System::loadLanguageFile('default');
// Replace the insert tags and then re-replace the request_token tag in case a form element has been loaded via insert tag
$strBuffer = \Controller::replaceInsertTags($strBuffer, false);
$strBuffer = str_replace(array('{{request_token}}', '[{]', '[}]'), array(REQUEST_TOKEN, '{{', '}}'), $strBuffer);
// HOOK: allow to modify the compiled markup (see #4291 and #7457)
if (isset($GLOBALS['TL_HOOKS']['modifyFrontendPage']) && is_array($GLOBALS['TL_HOOKS']['modifyFrontendPage'])) {
foreach ($GLOBALS['TL_HOOKS']['modifyFrontendPage'] as $callback) {
$strBuffer = \System::importStatic($callback[0])->{$callback[1]}($strBuffer, null);
}
}
// Content type
if (!$content) {
$content = 'text/html';
}
$response = new Response($strBuffer);
// Send the status header (see #6585)
if ($type == 'error_403') {
$response->setStatusCode(Response::HTTP_FORBIDDEN);
} elseif ($type == 'error_404') {
$response->setStatusCode(Response::HTTP_NOT_FOUND);
}
$response->headers->set('Vary', 'User-Agent', false);
$response->headers->set('Content-Type', $content . '; charset=' . \Config::get('characterSet'));
// Send the cache headers
if ($expire !== null && (\Config::get('cacheMode') == 'both' || \Config::get('cacheMode') == 'browser')) {
$response->headers->set('Cache-Control', 'public, max-age=' . ($expire - time()));
$response->headers->set('Pragma', 'public');
$response->headers->set('Last-Modified', gmdate('D, d M Y H:i:s', time()) . ' GMT');
$response->headers->set('Expires', gmdate('D, d M Y H:i:s', $expire) . ' GMT');
} else {
$response->headers->set('Cache-Control', 'no-store, no-cache, must-revalidate, post-check=0, pre-check=0');
$response->headers->set('Pragma', 'no-cache');
$response->headers->set('Last-Modified', gmdate('D, d M Y H:i:s') . ' GMT');
$response->headers->set('Expires', 'Fri, 06 Jun 1975 15:10:00 GMT');
}
return $response;
}
