public function load(Reader $reader)
{
$caches = $reader->read();
foreach ($caches as $cacheName => $cacheValue) {
// Check name
if (!Validate::isVariableName($cacheName)) {
throw new \Exception('Name of cache must be a valid variable name');
}
// Check options
$params = array();
foreach ($cacheValue as $name => $value) {
// no use comment (for xml file)
if ($name == 'comment') {
continue;
}
// cast
if (is_string($value)) {
$value = Tools::castValue($value);
}
// add value into cache parameters
$params[$name] = $value;
}
// check adaptater
if (!isset($params['adaptater'])) {
throw new \Exception('Miss adaptater parameter for cache : "' . $cacheName . '"');
}
// Add param name
$params['name'] = $cacheName;
// Add cache
CacheManager::addCache($cacheName, CacheManager::factory($params['adaptater'], $params, 'framework\\cache\\adaptaters', 'framework\\cache\\IAdaptater'), true);
}
}
public static function setCache($cacheName)
{
$cache = Cache::getCache($cacheName);
if (!$cache) {
throw new \Exception('Invalid cache');
}
self::$_cache = $cache;
}
public function setCache($cacheName)
{
$cache = Cache::getCache($cacheName);
if (!$cache) {
throw new \Exception('Cache : "' . $cacheName . '" is not a valid cache');
}
$this->_cache = $cache;
return $this;
}
public function __construct()
{
//check lang is in url and auto set
if ($this->router->getCurrentRoute() == 'index' && stripos(Http::getCurrentUrl(), $this->language->getLanguage()) === false) {
Http::redirect($this->router->getUrl('index'));
}
$this->tpl->setVar('langAvaible', $this->language->getLanguage() == 'fr_FR' ? 'en_EN' : 'fr_FR');
//cache
$this->_cache = Cache::getCache('bdd');
$this->tpl->setVar('isConnected', Members::isConnected());
}
public function __construct($params = array())
{
parent::init($params);
Logger::getInstance()->addGroup('cache' . $this->_name, 'Cache ' . $this->_name, true, true);
if (!isset($params['path']) || !is_string($params['path'])) {
throw new \Exception('Miss path parameter, or is invalid');
}
if (!is_dir($params['path'])) {
if (!mkdir($params['path'], 0775, true)) {
throw new \Exception('Error on creating "' . $params['path'] . '" directory');
}
}
if (!is_writable($params['path'])) {
throw new \Exception('Directory "' . $params['path'] . '" is not writable');
}
$this->_path = realpath($params['path']) . DS;
}
/**
* Checks whether an update is available.
*/
public function resolve(Request $request, Response $response)
{
$path = $request->uri('path');
$hash = $request->param('v');
$info = Cache::getInfo($path, $hash);
if (!$info) {
return;
}
// Send a bunch of headers
// 1. Conditional request
// If-Modified-Since: Match against $info->getMTime();
// If-None-Match: Match against the md5_file();
// 2. Normal request
// Content-Type + charset
// Content-Length
// Cache-Control
// Date
// Pragma (remove)
// header('Content-Type: application/json; charset=utf-8', true);
}
public function __construct($params = array())
{
if (!extension_loaded('apcu') && !extension_loaded('apc')) {
throw new \Exception('Apcu extension not loaded try change your PHP configuration');
}
parent::init($params);
Logger::getInstance()->addGroup('cache' . $this->_name, 'Cache ' . $this->_name, true, true);
//create dynamic key and add to prefix (it's for multi applications)
if (!file_exists(PATH_CACHE . $this->_name)) {
$key = rand();
$file = new \SplFileObject(PATH_CACHE . 'ApcuKey' . $this->_name, 'w+');
if ($file->flock(LOCK_EX)) {
$file->fwrite($key);
$file->flock(LOCK_UN);
}
$this->_prefix .= $key;
} else {
$this->_prefix .= file_get_contents(PATH_CACHE . $this->_name);
}
}
public function stop()
{
if ($this->_isInit && $this->_isRun) {
// run caches gc
$caches = Cache::getCaches();
foreach ($caches as $cache) {
$cache->runGc();
}
//profiling
if (self::getProfiler()) {
// Caches
foreach ($caches as $cache) {
Logger::getInstance()->debug('Adaptater : "' . get_class($cache) . '"', 'cache' . $cache->getName());
}
// Databases
$databases = Database::getDatabases();
foreach ($databases as $database) {
Logger::getInstance()->debug('Type : ' . $database->getType(), 'database' . $database->getName());
Logger::getInstance()->debug('Adaptater : ' . get_class($database->getAdaptater()), 'database' . $database->getName());
$stats = $database->getStats();
Logger::getInstance()->debug('Queries : ' . (string) $database->getQueryCount() . ' (Aproximately memory used : ' . $stats['ram'] . ' KB in aproximately ' . $stats['time'] . ' ms)', 'database' . $database->getName());
Logger::getInstance()->debug('Servers : ' . $database->countServers() . ' (Masters : ' . $database->countServers(Server::TYPE_MASTER) . ' Slaves : ' . $database->countServers(Server::TYPE_SLAVE) . ')', 'database' . $database->getName());
}
// Templates
$templates = Template::getTemplates();
foreach ($templates as $template) {
Logger::getInstance()->debug('Adaptater : ' . get_class($template), 'template' . $template->getName());
}
// Language
Logger::getInstance()->debug('Language default is : "' . Language::getInstance()->getDefaultLanguage() . '"', 'language');
Logger::getInstance()->debug(Language::getInstance()->countVars() . ' vars defined', 'language');
// Router
Logger::getInstance()->debug('Current url : ' . Http::getCurrentUrl(), 'router');
Logger::getInstance()->debug('Current route : ' . Router::getInstance()->getCurrentRoute(), 'router');
Logger::getInstance()->debug('Current route rule : ' . Router::getInstance()->getCurrentRule(), 'router');
Logger::getInstance()->debug('Ajax request : ' . (int) Http::isAjax(), 'router');
Logger::getInstance()->debug('Ssl request : ' . (int) Http::isHttps(), 'router');
Logger::getInstance()->debug('Request dispatched in aproximately : ' . Benchmark::getInstance('router')->stopTime()->getStatsTime() . ' ms', 'router');
Logger::getInstance()->debug('Aproximately memory used : ' . Benchmark::getInstance('router')->stopRam()->getStatsRam() . ' KB', 'router');
// Logger debug informations and benchmark
Logger::getInstance()->addGroup('logger', 'Logger Benchmark and Informations', true);
Logger::getInstance()->debug(Logger::getInstance()->countObservers() . ' observers registered', 'logger');
Logger::getInstance()->debug(Logger::getInstance()->countGroups() . ' groups and ' . (Logger::getInstance()->countLogs() + 3) . ' logs', 'logger');
Logger::getInstance()->debug('In aproximately ' . Benchmark::getInstance('logger')->stopTime()->getStatsTime() . ' ms', 'logger');
Logger::getInstance()->debug('Aproximately memory used : ' . Benchmark::getInstance('logger')->stopRam()->getStatsRam() . ' KB', 'logger');
// Autoloader
Logger::getInstance()->addGroup('autoloader', 'Autoloader report', true);
$logs = Autoloader::getLogs();
foreach ($logs as &$log) {
Logger::getInstance()->debug($log, 'autoloader');
}
Logger::getInstance()->debug(count(Autoloader::getAutoloaders()) . ' autoloader adaptaters, ' . count(Autoloader::getDirectories()) . ' directories and ' . count(Autoloader::getNamespaces()) . ' namespaces registered', 'autoloader');
Logger::getInstance()->debug('Loading ' . count(Autoloader::getClasses()) . ' classes (' . Autoloader::countGlobalizedClasses() . ' globalized classes) in aproximately ' . round(Autoloader::getBenchmark('time') * 1000, 4) . ' ms', 'autoloader');
Logger::getInstance()->debug('Aproximately memory used : ' . round(Autoloader::getBenchmark('memory') / 1024, 4) . ' KB', 'autoloader');
Autoloader::purgeLogs();
Autoloader::purgeBenchmark();
// Global informations && Benchmark
Logger::getInstance()->addGroup('global', 'Global Benchmark and Informations', true);
Logger::getInstance()->debug('Page generated in aproximately : ' . Benchmark::getInstance('global')->stopTime()->getStatsTime() . ' ms', 'global');
Logger::getInstance()->debug('Aproximately memory used : ' . Benchmark::getInstance('global')->stopRam()->getStatsRam() . ' KB - Memory allocated : ' . memory_get_peak_usage(true) / 1024 . ' KB', 'global');
}
//notify logger
Logger::getInstance()->notify();
// Stop managers
ExceptionManager::getInstance()->stop();
ErrorManager::getInstance()->stop();
// avoid multi call
$this->_isInit = false;
$this->_isRun = false;
}
}
public function resolve(Request $request, Response $response)
{
$path = $this->srcPath . $request->uri('path') . '.url';
// Check if target file is a proxy.
if (!is_file($path)) {
return;
}
$cacheTarget = parse_ini_file($path);
$cacheTarget = @$cacheTarget['URL'];
unset($path);
if (!$cacheTarget) {
Log::warning('Proxy file has not URL parameter.', array('requestUri' => $request->uri(), 'proxyFile' => $request->uri('path') . '.uri'));
$response->status(502);
// Bad Gateway
return;
}
/*! Cache Header Notes
*
* # Cache-Control
* [public | private] Cacheable when public, otherwise the client is responsible for caching.
* [no-cache( \w+)?] When no fields are specified, the whole thing must revalidate everytime,
* otherwise cache it except specified fields.
* [no-store] Ignore caching and pipe into output.
* [max-age=\d+] Seconds before this cache is meant to expire, this overrides Expires header.
* [s-maxage=\d+] Overrides max-age and Expires header, behaves just like max-age.
* (This is for CDN and we are using it.)
* [must-revalidate] Tells those CDNs which are intended to serve stale contents to revalidate every time.
* [proxy-revalidate] Like the "s-" version of max-age, a "must-revalidate" override only for CDN.
* [no-transform] Some CDNs will optimize images and other formats, this "opt-out" of it.
*
* # Expires
* RFC timestamp for an absolute cache expiration, overridden by Cache-Control header.
*
* # ETag
* Hash of anything, weak ETags is not supported at this moment.
*
* # vary
* Too much fun inside and we are too serious about caching, ignore this.
*
* # pragma
* This guy is too old to recognize.
* [no-cache] Only this is known nowadays and is already succeed by Cache-Control: no-cache.
*
*/
// note; Use "cache-meta://" scheme for header and cache meta info, for performance.
// 1. Check if cache exists.
$cache = (array) Cache::get("cache-meta://{$cacheTarget}");
// Cache expiration, in seconds.
// expires = ( s-maxage || max-age || Expires );
if (@$cache['expires'] && time() > $cache['expires']) {
Cache::delete("cache-meta://{$cacheTarget}");
Cache::delete("cache://{$cacheTarget}");
$cache = null;
}
// - If not exists, make normal request to remote server.
// - If exists, make conditional request to remote server.
// - Revalidation, we can skip this request and serve the content if false.
// revalidates = ( Cache-Control:proxy-revalidate || Cache-Control:must-revalidate )
if (!$cache || @$cache['revalidates']) {
$_request = array('uri' => $cacheTarget);
if ($cache) {
// Last-Modified
if (@$cache['headers']['Last-Modified']) {
$_request['headers']['If-Modified-Since'] = $cache['Last-Modified'];
}
// Entity-Tag
if (@$cache['headers']['ETag'] && strpos($cache['headers']['ETag'], 'W\\') !== 0) {
$_request['headers']['If-None-Match'] = $cache['ETag'];
}
} else {
$cache = array();
}
// Make the request
$_response = new Response(array('autoOutput' => false));
(new Request($_request))->send(null, $_response);
unset($_request);
// parse headers into cache settings.
if (in_array($_response->status(), array(200, 304))) {
$res = preg_split('/\\s*,\\s*/', util::unwrapAssoc($_response->header('Cache-Control')));
$res = array_reduce($res, function ($res, $value) {
// todo; Take care of no-cache with field name.
if (strpos($value, '=') > 0) {
$value = explode('=', $value);
$res[$value[0]] = $value[1];
} else {
$res[$value] = true;
}
return $res;
}, array());
// private, no-store, no-cache
if (@$res['private'] || @$res['no-store'] || @$res['no-cache']) {
// note; in case the upstream server change this to uncacheable
Cache::delete("cache-meta://{$cacheTarget}");
Cache::delete("cache://{$cacheTarget}");
$_response->clearBody();
}
if ($_response->status() == 200 && $_response->body()) {
$cache['contents'] = $_response->body();
}
// expires = ( s-maxage || max-age || Expires );
if (@$res['s-maxage']) {
$cache['expires'] = time() + $res['s-maxage'];
} elseif (@$res['max-age']) {
$cache['expires'] = time() + $res['max-age'];
} else {
$res = util::unwrapAssoc($_response->header('Expires'));
if ($res) {
$cache['expires'] = strtotime($res);
}
}
// revalidates = ( Cache-Control:proxy-revalidate || Cache-Control:must-revalidate )
if (@$res['proxy-revalidate'] || @$res['must-revalidate']) {
$cache['revalidates'] = true;
}
unset($res);
}
$cache['headers'] = array_map('core\\Utility::unwrapAssoc', $_response->header());
// PHP does not support chunked, skip this one.
unset($cache['headers']['Transfer-Encoding']);
// note; If cache is to be ignored, the $cacheTarget variable will be already unset().
if (isset($cacheTarget)) {
if (@$cache['contents']) {
Cache::set("cache://{$cacheTarget}", $cache['contents']);
}
Cache::set("cache-meta://{$cacheTarget}", array_filter_keys($cache, isNot('contents')));
}
unset($_response);
}
// note; Send cache headers regardless of the request condition.
if (@$cache['headers']) {
$response->clearHeaders();
foreach ($cache['headers'] as $name => $value) {
$response->header($name, $value, true);
}
unset($name, $value);
}
// note; Handles conditional request
$ch = array_map('core\\Utility::unwrapAssoc', (array) @$cache['headers']);
$mtime = @$ch['Last-Modified'] ? strtotime($ch['Last-Modified']) : false;
// Request headr: If-Modified-Since
if (@$ch['Last-Modified'] && $mtime) {
if (strtotime($request->header('If-Modified-Since')) >= $mtime) {
return $response->status(304);
}
}
// Request header: If-Range
if ($request->header('If-Range')) {
// Entity tag
if (strpos(substr($request->header('If-Range'), 0, 2), '"') !== false && @$ch['ETag']) {
if ($this->compareETags(@$ch['ETag'], $request->header('If-Range'))) {
return $this->response()->status(304);
}
} elseif (strtotime($request->header('If-Range')) === $mtime) {
return $this->response()->status(304);
}
}
unset($mtime);
// Request header: If-None-Match
if (!$request->header('If-Modified-Since') && $request->header('If-None-Match')) {
// Exists but not GET or HEAD
switch ($request->method()) {
case 'get':
case 'head':
break;
default:
return $this->response()->status(412);
}
/*! Note by Vicary @ 24 Jan, 2013
* If-None-Match means 304 when target resources exists.
*/
if ($request->header('If-None-Match') === '*' && @$ch['ETag']) {
return $this->response()->status(304);
}
if ($this->compareETags(@$ch['ETag'], preg_split('/\\s*,\\s*/', $request->header('If-None-Match')))) {
return $this->response()->status(304);
}
}
// Request header: If-Match
if (!$request->header('If-Modified-Since') && $request->header('If-Match')) {
// Exists but not GET or HEAD
switch ($request->method()) {
case 'get':
case 'head':
break;
default:
return $this->response()->status(412);
}
if ($request->header('If-Match') === '*' && !@$ch['ETag']) {
return $this->response()->status(412);
}
preg_match_all('/(?:^\\*$|(:?"([^\\*"]+)")(?:\\s*,\\s*(:?"([^\\*"]+)")))$/', $request->header('If-Match'), $eTags);
// 412 Precondition Failed when nothing matches.
if (@$eTags[1] && !in_array($eTag, (array) $eTags[1])) {
return $this->response()->status(412);
}
}
if ($cacheTarget && empty($cache['contents'])) {
$cache['contents'] = Cache::get("cache://{$cacheTarget}");
}
// Output the cahce content
$response->send($cache['contents'], 200);
}