65 lines
2.1 KiB
PHP
65 lines
2.1 KiB
PHP
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<?php
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/**
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* @file
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* Contains \Drupal\system\SystemConfigSubscriber.
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*/
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namespace Drupal\system;
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use Drupal\Core\Config\ConfigEvents;
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use Drupal\Core\Config\ConfigImporterEvent;
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use Drupal\Core\StringTranslation\StringTranslationTrait;
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use Symfony\Component\EventDispatcher\EventSubscriberInterface;
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/**
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* System Config subscriber.
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*/
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class SystemConfigSubscriber implements EventSubscriberInterface {
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use StringTranslationTrait;
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/**
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* Checks that the configuration synchronization is valid.
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*
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* This event listener prevents deleting all configuration. If there is
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* nothing to import then event propagation is stopped because there is no
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* config import to validate.
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*
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* @param \Drupal\Core\Config\ConfigImporterEvent $event
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* The config import event.
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*/
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public function onConfigImporterValidateNotEmpty(ConfigImporterEvent $event) {
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$importList = $event->getConfigImporter()->getStorageComparer()->getSourceStorage()->listAll();
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if (empty($importList)) {
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$event->getConfigImporter()->logError($this->t('This import is empty and if applied would delete all of your configuration, so has been rejected.'));
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$event->stopPropagation();
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}
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}
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/**
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* Checks that the configuration synchronization is valid.
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*
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* This event listener checks that the system.site:uuid's in the source and
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* target match.
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*
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* @param ConfigImporterEvent $event
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* The config import event.
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*/
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public function onConfigImporterValidateSiteUUID(ConfigImporterEvent $event) {
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if (!$event->getConfigImporter()->getStorageComparer()->validateSiteUuid()) {
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$event->getConfigImporter()->logError($this->t('Site UUID in source storage does not match the target storage.'));
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}
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}
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/**
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* {@inheritdoc}
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*/
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public static function getSubscribedEvents() {
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// The empty check has a high priority so that is can stop propagation if
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// there is no configuration to import.
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$events[ConfigEvents::IMPORT_VALIDATE][] = array('onConfigImporterValidateNotEmpty', 512);
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$events[ConfigEvents::IMPORT_VALIDATE][] = array('onConfigImporterValidateSiteUUID', 256);
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return $events;
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}
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}
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