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<?php namespace Comodojo\Dispatcher\Response; |
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use \Comodojo\Dispatcher\Components\AbstractModel; |
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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\Foundation\Timing\TimingTrait; |
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use \Comodojo\Foundation\Base\Configuration; |
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use \Comodojo\Cookies\CookieManager; |
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use \Psr\Log\LoggerInterface; |
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use \Serializable; |
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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 Model extends AbstractModel implements Serializable { |
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use TimingTrait; |
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const NO_CONTENT_STATUSES = [100,101,102,204,304]; |
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const CACHEABLE_METHODS = ['GET', 'HEAD', 'POST', 'PUT']; |
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const CACHEABLE_STATUSES = [200, 203, 300, 301, 302, 404, 410]; |
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public function __construct(Configuration $configuration, LoggerInterface $logger) { |
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parent::__construct($configuration, $logger); |
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$this->setHeaders(new Headers()); |
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$this->setCookies(new CookieManager()); |
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$this->setStatus(new Status()); |
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$this->setContent(new Content()); |
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$this->setLocation(new Location()); |
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} |
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public function getHeaders() { |
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return $this->headers; |
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} |
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public function setHeaders(Headers $headers) { |
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$this->headers = $headers; |
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return $this; |
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} |
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public function getCookies() { |
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return $this->cookies; |
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} |
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public function setCookies(CookieManager $cookies) { |
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$this->cookies = $cookies; |
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return $this; |
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} |
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public function getStatus() { |
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return $this->status; |
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} |
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public function setStatus(Status $status) { |
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$this->status = $status; |
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return $this; |
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} |
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public function getContent() { |
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return $this->content; |
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} |
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public function setContent(Content $content) { |
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$this->content = $content; |
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return $this; |
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} |
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public function getLocation() { |
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return $this->location; |
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} |
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public function setLocation(Location $location) { |
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$this->location = $location; |
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return $this; |
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} |
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public function serialize() { |
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return serialize($this->export()); |
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} |
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public function unserialize($data) { |
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$this->import(unserialize($data)); |
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} |
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public function export() { |
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return (object) [ |
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'headers' => $this->getHeaders(), |
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'cookies' => $this->getCookies()->getAll(), |
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'status' => $this->getStatus(), |
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'content' => $this->getContent(), |
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'location' => $this->getLocation() |
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]; |
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} |
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public function import($data) { |
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if ( isset($data->headers) ) $this->setHeaders($data->headers); |
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if ( isset($data->status) ) $this->setStatus($data->status); |
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if ( isset($data->content) ) $this->setContent($data->content); |
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if ( isset($data->location) ) $this->setLocation($data->location); |
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if ( isset($data->cookies) && is_array($data->cookies) ) { |
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$cookies = $this->getCookies(); |
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foreach ($data->cookies as $name => $cookie) $cookies->add($cookie); |
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} |
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} |
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public function consolidate(Request $request, Route $route = null) { |
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$status = $this->getStatus()->get(); |
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$output_class_name = "\\Comodojo\\Dispatcher\\Response\\Preprocessor\\Status".$status; |
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// @TODO: this condition will be removed when all preprocessors ready |
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if ( class_exists($output_class_name) ) { |
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$output = new $output_class_name($this); |
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} else { |
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$output = new \Comodojo\Dispatcher\Response\Preprocessor\Status200($this); |
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} |
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$output->consolidate(); |
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if ( $route != null ) { |
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$this->setClientCache($request, $route); |
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} |
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// extra checks |
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$content = $this->getContent(); |
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$headers = $this->getHeaders(); |
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if ( (string) $request->getMethod() == 'HEAD' && !in_array($status, self::NO_CONTENT_STATUSES) ) { |
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$length = $content->length(); |
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$content->set(null); |
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if ($length) $headers->set('Content-Length', $length); |
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} |
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if ($headers->get('Transfer-Encoding') != null) { |
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$headers->delete('Content-Length'); |
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} |
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if ( (string) $request->getVersion() == '1.0' && false !== strpos($headers->get('Cache-Control'), 'no-cache')) { |
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$headers->set('pragma', 'no-cache'); |
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$headers->set('expires', -1); |
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} |
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} |
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private function setClientCache(Request $request, Route $route) { |
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$cache = strtoupper($route->getParameter('cache')); |
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$ttl = (int) $route->getParameter('ttl'); |
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if ( |
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($cache == 'CLIENT' || $cache == 'BOTH') && |
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in_array((string) $request->getMethod(), self::CACHEABLE_METHODS) && |
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in_array($this->getStatus()->get(), self::CACHEABLE_STATUSES) |
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// @TODO: here we should also check for Cache-Control no-store or private; |
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// the cache layer will be improoved in future versions. |
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) { |
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$headers = $this->getHeaders(); |
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$timestamp = (int) $this->getTime()->format('U') + $ttl; |
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if ( $ttl > 0 ) { |
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$headers->set("Cache-Control", "max-age=".$ttl.", must-revalidate"); |
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$headers->set("Expires", gmdate("D, d M Y H:i:s", $timestamp)." GMT"); |
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} else { |
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$headers->set("Cache-Control", "no-cache, must-revalidate"); |
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$headers->set("Expires", "Mon, 26 Jul 1997 05:00:00 GMT"); |
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} |
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} |
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} |
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} |
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In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: