118 lines
2.9 KiB
PHP
118 lines
2.9 KiB
PHP
<?php
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namespace Grav\Plugin;
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use Composer\Autoload\ClassLoader;
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use Grav\Common\Page\Interfaces\PageInterface;
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use Grav\Common\Plugin;
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use Grav\Common\Page\Page;
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use Grav\Common\Page\Pages;
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use Grav\Common\Page\Types;
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use RocketTheme\Toolbox\Event\Event;
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class ErrorPlugin extends Plugin
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{
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/**
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* @return array
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*/
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public static function getSubscribedEvents(): array
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{
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return [
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'onCliInitialize' => [
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['autoload', 100000],
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],
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'onPageNotFound' => [
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['onPageNotFound', 0]
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],
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'onGetPageTemplates' => [
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['onGetPageTemplates', 0]
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],
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'onTwigTemplatePaths' => [
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['onTwigTemplatePaths', -10]
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],
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'onDisplayErrorPage.404'=> [
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['onDisplayErrorPage404', -1]
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]
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];
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}
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/**
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* [onPluginsInitialized:100000] Composer autoload.
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*
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* @return ClassLoader
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*/
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public function autoload(): ClassLoader
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{
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return require __DIR__ . '/vendor/autoload.php';
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}
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/**
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* @param Event $event
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*/
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public function onDisplayErrorPage404(Event $event): void
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{
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if ($this->isAdmin()) {
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return;
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}
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$event['page'] = $this->getErrorPage();
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$event->stopPropagation();
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}
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/**
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* Display error page if no page was found for the current route.
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*
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* @param Event $event
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*/
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public function onPageNotFound(Event $event): void
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{
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$event->page = $this->getErrorPage();
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$event->stopPropagation();
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}
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/**
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* @return PageInterface
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* @throws \Exception
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*/
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public function getErrorPage(): PageInterface
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{
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/** @var Pages $pages */
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$pages = $this->grav['pages'];
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// Try to load user error page.
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$page = $pages->dispatch($this->config->get('plugins.error.routes.404', '/error'), true);
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if (!$page) {
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// If none provided use built in error page.
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$page = new Page;
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$page->init(new \SplFileInfo(__DIR__ . '/pages/error.md'));
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$page->title($this->grav['language']->translate('PLUGIN_ERROR.ERROR') . ' ' . $page->header()->http_response_code);
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}
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// Login page may not have the correct Cache-Control header set, force no-store for the proxies.
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$cacheControl = $page->cacheControl();
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if (!$cacheControl) {
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$page->cacheControl('private, no-cache, must-revalidate');
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}
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return $page;
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}
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/**
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* Add page template types.
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*/
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public function onGetPageTemplates(Event $event): void
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{
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/** @var Types $types */
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$types = $event->types;
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$types->register('error');
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}
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/**
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* Add current directory to twig lookup paths.
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*/
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public function onTwigTemplatePaths(): void
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{
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$this->grav['twig']->twig_paths[] = __DIR__ . '/templates';
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}
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}
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