Files
2022-11-30 17:27:28 +01:00

151 lines
4.3 KiB
PHP

<?php
namespace Grav\Plugin;
use Grav\Common\Config\Config;
use Grav\Common\Page\Interfaces\PageInterface;
use Grav\Common\Plugin;
use Grav\Common\Uri;
use Grav\Framework\Psr7\Response;
use RocketTheme\Toolbox\Event\Event;
/**
* Class AdvancedPageCachePlugin
* @package Grav\Plugin
*/
class AdvancedPageCachePlugin extends Plugin
{
/** @var Config $config */
protected $config;
/** @var string */
protected $pagecache_key;
/**
* @return array
*/
public static function getSubscribedEvents()
{
return [
'onPluginsInitialized' => ['onPluginsInitialized', 1000]
];
}
/**
* Return `true` if the page has no extension, or has the default page extension.
* Return `false` if for example is a RSS version of the page
*/
private function isValidExtension() : bool
{
/** @var Uri $uri */
$uri = $this->grav['uri'];
$extension = $uri->extension();
if (!$extension) {
return true;
}
$disabled_extensions = (array)$this->grav['config']->get('plugins.advanced-pagecache.disabled_extensions');
return !in_array($extension, $disabled_extensions, true);
}
/**
* Initialize configuration
*/
public function onPluginsInitialized(): void
{
/** @var Uri $uri */
$uri = $this->grav['uri'];
$config = (array)$this->grav['config']->get('plugins.advanced-pagecache');
$full_route = $uri->uri();
$route = str_replace($uri->baseIncludingLanguage(), '', $full_route);
$params = $uri->params(null, true);
$query = $uri->query(null, true);
$user = $this->grav['user'] ?? null;
$lang = $this->grav['language']->getLanguageURLPrefix();
// Definitely don't run in admin plugin or is not a valid extension
if ($this->isAdmin() || !$this->isValidExtension()) {
return;
}
// If this url is not whitelisted try some other tests
if (!in_array($route, (array)$config['whitelist'], true)) {
// do not run in these scenarios
if (
($config['disabled_with_params'] && !empty($params)) ||
($config['disabled_with_query'] && !empty($query)) ||
($config['disabled_on_login'] && ($user && $user["authenticated"])) ||
in_array($route, (array)$config['blacklist'], true)
) {
return;
}
}
// Should run and store page
if ($config['per_user_caching']) {
$this->pagecache_key = md5('adv-pc-' . $lang . $full_route . $user["username"]);
} else {
$this->pagecache_key = md5('adv-pc-' . $lang . $full_route);
}
// TODO: remove when minimum required Grav >= 1.7.15
if (version_compare($this->grav->getVersion(), '1.7.15', '<')) {
$this->enable([
'onOutputGenerated' => ['onOutputGenerated', -1000]
]);
} else {
$this->enable([
'onOutputRendered' => ['onOutputRendered', 1000]
]);
}
$pageCache = $this->grav['cache']->fetch($this->pagecache_key);
if (is_array($pageCache)) {
$response = new Response($pageCache['code'], $pageCache['headers'], $pageCache['html']);
$this->grav->close($response);
}
}
/**
* Save the page to the cache
* TODO: remove when minimum required Grav >= 1.7.15
*/
public function onOutputGenerated(Event $event): void
{
/** @var PageInterface $page */
$page = $this->grav['page'];
$html = $this->grav->output;
$item = [
'code' => $page->httpResponseCode(),
'headers' => $page->httpHeaders(),
'html' => $html,
];
$this->grav['cache']->save($this->pagecache_key, $item);
}
/**
* Save the page to the cache
*/
public function onOutputRendered(Event $event): void
{
/** @var PageInterface $page */
$page = $event['page'];
$html = $event['output'];
$item = [
'code' => $page->httpResponseCode(),
'headers' => $page->httpHeaders(),
'html' => $html,
];
$this->grav['cache']->save($this->pagecache_key, $item);
}
}