getEntityType() === 'node'; } /** * Declare the properties that are (or can be) added to items with this callback. * * Adds the "search_api_access_node" property. * * @see hook_entity_property_info() * * @return array * Information about all additional properties, as specified by * hook_entity_property_info() (only the inner "properties" array). */ public function propertyInfo() { return array( 'search_api_access_node' => array( 'label' => t('Node access information'), 'description' => t('Data needed to apply node access.'), 'type' => 'list', ), ); } /** * Alter items before indexing. * * Items which are removed from the array won't be indexed, but will be marked * as clean for future indexing. This could for instance be used to implement * some sort of access filter for security purposes (e.g., don't index * unpublished nodes or comments). * * @param array $items * An array of items to be altered, keyed by item IDs. */ public function alterItems(array &$items) { static $account; if (!isset($account)) { // Load the anonymous user. $account = drupal_anonymous_user(); } foreach ($items as $nid => &$item) { // Check whether all users have access to the node. if (!node_access('view', $item, $account)) { // Get node access grants. $result = db_query('SELECT * FROM {node_access} WHERE (nid = 0 OR nid = :nid) AND grant_view = 1', array(':nid' => $item->nid)); // Store all grants together with it's realms in the item. foreach ($result as $grant) { if (!isset($items[$nid]->search_api_access_node)) { $items[$nid]->search_api_access_node = array(); } $items[$nid]->search_api_access_node[] = "node_access_$grant->realm:$grant->gid"; } } else { // Add the generic view grant if we are not using node access or the // node is viewable by anonymous users. $items[$nid]->search_api_access_node = array('node_access__all'); } } } /** * Submit callback for the configuration form. * * If the data alteration is being enabled, set "Published" and "Author" to * "indexed", because both are needed for the node access filter. */ public function configurationFormSubmit(array $form, array &$values, array &$form_state) { $old_status = !empty($form_state['index']->options['data_alter_callbacks']['search_api_alter_node_access']['status']); $new_status = !empty($form_state['values']['callbacks']['search_api_alter_node_access']['status']); if (!$old_status && $new_status) { $form_state['index']->options['fields']['status']['type'] = 'boolean'; $form_state['index']->options['fields']['author']['type'] = 'integer'; $form_state['index']->options['fields']['author']['entity_type'] = 'user'; } return parent::configurationFormSubmit($form, $values, $form_state); } }