--- /dev/null
+<?php
+
+namespace Drupal\simple_sitemap\Plugin\simple_sitemap\UrlGenerator;
+
+use Drupal\Core\Url;
+use Drupal\simple_sitemap\Annotation\UrlGenerator;
+use Drupal\simple_sitemap\EntityHelper;
+use Drupal\simple_sitemap\Logger;
+use Drupal\simple_sitemap\Simplesitemap;
+use Drupal\simple_sitemap\SitemapGenerator;
+use Drupal\Core\Language\LanguageManagerInterface;
+use Drupal\Core\Entity\EntityTypeManagerInterface;
+use Drupal\Core\Path\PathValidator;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Class CustomUrlGenerator
+ * @package Drupal\simple_sitemap\Plugin\simple_sitemap\UrlGenerator
+ *
+ * @UrlGenerator(
+ * id = "custom",
+ * title = @Translation("Custom URL generator"),
+ * description = @Translation("Generates URLs set in admin/config/search/simplesitemap/custom."),
+ * weight = 0,
+ * )
+ *
+ */
+class CustomUrlGenerator extends UrlGeneratorBase {
+
+ const PATH_DOES_NOT_EXIST_OR_NO_ACCESS_MESSAGE = 'The custom path @path has been omitted from the XML sitemap as it either does not exist, or it is not accessible to anonymous users. You can review custom paths <a href="@custom_paths_url">here</a>.';
+
+
+ /**
+ * @var \Drupal\Core\Path\PathValidator
+ */
+ protected $pathValidator;
+
+ /**
+ * @var bool
+ */
+ protected $includeImages;
+
+ /**
+ * CustomUrlGenerator constructor.
+ * @param array $configuration
+ * @param string $plugin_id
+ * @param mixed $plugin_definition
+ * @param \Drupal\simple_sitemap\Simplesitemap $generator
+ * @param \Drupal\simple_sitemap\SitemapGenerator $sitemap_generator
+ * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
+ * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
+ * @param \Drupal\simple_sitemap\Logger $logger
+ * @param \Drupal\simple_sitemap\EntityHelper $entityHelper
+ * @param \Drupal\Core\Path\PathValidator $path_validator
+ */
+ public function __construct(
+ array $configuration,
+ $plugin_id,
+ $plugin_definition,
+ Simplesitemap $generator,
+ SitemapGenerator $sitemap_generator,
+ LanguageManagerInterface $language_manager,
+ EntityTypeManagerInterface $entity_type_manager,
+ Logger $logger,
+ EntityHelper $entityHelper,
+ PathValidator $path_validator) {
+ parent::__construct(
+ $configuration,
+ $plugin_id,
+ $plugin_definition,
+ $generator,
+ $sitemap_generator,
+ $language_manager,
+ $entity_type_manager,
+ $logger,
+ $entityHelper
+ );
+ $this->pathValidator = $path_validator;
+ }
+
+ public static function create(
+ ContainerInterface $container,
+ array $configuration,
+ $plugin_id,
+ $plugin_definition) {
+ return new static(
+ $configuration,
+ $plugin_id,
+ $plugin_definition,
+ $container->get('simple_sitemap.generator'),
+ $container->get('simple_sitemap.sitemap_generator'),
+ $container->get('language_manager'),
+ $container->get('entity_type.manager'),
+ $container->get('simple_sitemap.logger'),
+ $container->get('simple_sitemap.entity_helper'),
+ $container->get('path.validator')
+ );
+ }
+
+ /**
+ * @inheritdoc
+ */
+ public function getDataSets() {
+ $this->includeImages = $this->generator->getSetting('custom_links_include_images', FALSE);
+
+ return array_values($this->generator->getCustomLinks());
+ }
+
+ /**
+ * @inheritdoc
+ */
+ protected function processDataSet($data_set) {
+
+ // todo: Change to different function, as this also checks if current user has access. The user however varies depending if process was started from the web interface or via cron/drush. Use getUrlIfValidWithoutAccessCheck()?
+ if (!$this->pathValidator->isValid($data_set['path'])) {
+// if (!(bool) $this->pathValidator->getUrlIfValidWithoutAccessCheck($data['path'])) {
+ $this->logger->m(self::PATH_DOES_NOT_EXIST_OR_NO_ACCESS_MESSAGE,
+ ['@path' => $data_set['path'], '@custom_paths_url' => $GLOBALS['base_url'] . '/admin/config/search/simplesitemap/custom'])
+ ->display('warning', 'administer sitemap settings')
+ ->log('warning');
+ return FALSE;
+ }
+
+ $url_object = Url::fromUserInput($data_set['path'], ['absolute' => TRUE]);
+ $path = $url_object->getInternalPath();
+
+ if ($this->batchSettings['remove_duplicates'] && $this->pathProcessed($path)) {
+ return FALSE;
+ }
+
+ $entity = $this->entityHelper->getEntityFromUrlObject($url_object);
+
+ $path_data = [
+ 'url' => $url_object,
+ 'lastmod' => method_exists($entity, 'getChangedTime')
+ ? date_iso8601($entity->getChangedTime()) : NULL,
+ 'priority' => isset($data_set['priority']) ? $data_set['priority'] : NULL,
+ 'changefreq' => !empty($data_set['changefreq']) ? $data_set['changefreq'] : NULL,
+ 'images' => $this->includeImages && method_exists($entity, 'getEntityTypeId')
+ ? $this->getImages($entity->getEntityTypeId(), $entity->id())
+ : [],
+ 'meta' => [
+ 'path' => $path,
+ ]
+ ];
+
+ // Additional info useful in hooks.
+ if (NULL !== $entity) {
+ $path_data['meta']['entity_info'] = [
+ 'entity_type' => $entity->getEntityTypeId(),
+ 'id' => $entity->id(),
+ ];
+ }
+
+ return $path_data;
+ }
+}