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<?php namespace Comodojo\Dispatcher\Cache; |
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use \Comodojo\Dispatcher\Request\Model as Request; |
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use \Comodojo\Dispatcher\Router\Route; |
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use \Comodojo\Dispatcher\Response\Model as Response; |
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/** |
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* @package Comodojo Dispatcher |
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* @author Marco Giovinazzi <[email protected]> |
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* @author Marco Castiello <[email protected]> |
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* @license GPL-3.0+ |
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* |
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* LICENSE: |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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class ServerCache extends AbstractCache { |
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// @NOTE: Server cache will not consider cacheable POST or PUT requests |
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// because of dispatcher internal structure: if post request is cached |
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// subsequent requests will never reach the service. |
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protected static $cachable_methods = ['GET', 'HEAD']; |
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protected static $cachable_statuses = [200, 203, 300, 301, 302, 404, 410]; |
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protected static $cache_namespace = "DISPATCHERSERVICES"; |
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public function read( |
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Request $request, |
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Response $response |
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) { |
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$name = self::getCacheName($request); |
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$cache_object = $this->getCache()->setNamespace(self::$cache_namespace)->get($name); |
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if ( is_null($cache_object) ) return false; |
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$response->import($cache_object); |
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return true; |
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} |
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public function dump( |
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Request $request, |
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Response $response, |
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Route $route |
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) { |
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$cache = strtoupper($route->getParameter('cache')); |
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$ttl = $route->getParameter('ttl'); |
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$name = self::getCacheName($request); |
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$method = (string) $request->getMethod(); |
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$status = $response->getStatus()->get(); |
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if ( |
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( $cache == 'SERVER' || $cache == 'BOTH' ) && |
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in_array($method, self::$cachable_methods) && |
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in_array($status, self::$cachable_statuses) |
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){ |
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$this->getCache() |
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->setNamespace(self::$cache_namespace) |
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->set($name, $response->export(), $ttl === null ? self::DEFAULTTTL : intval($ttl)); |
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} |
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} |
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private static function getCacheName(Request $request) { |
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return md5( (string) $request->getMethod() . (string) $request->getUri() ); |
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} |
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} |
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comodojo /
dispatcher.framework
