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- <?php
- /**
- * @file
- * A dummy module implementing node access related hooks for testing purposes.
- *
- * A dummy module implementing node access related hooks to test API interaction
- * with the Node module. This module restricts view permission to those with
- * a special 'node test view' permission.
- */
- /**
- * Implements hook_node_grants().
- */
- function node_access_test_node_grants($account, $op) {
- $grants = array();
- // First grant a grant to the author for own content.
- $grants['node_access_test_author'] = array($account->uid);
- if ($op == 'view' && user_access('node test view', $account)) {
- $grants['node_access_test'] = array(8888, 8889);
- }
- if ($op == 'view' && $account->uid == variable_get('node_test_node_access_all_uid', 0)) {
- $grants['node_access_all'] = array(0);
- }
- return $grants;
- }
- /**
- * Implements hook_node_access_records().
- */
- function node_access_test_node_access_records($node) {
- $grants = array();
- // For NodeAccessBaseTableTestCase, only set records for private nodes.
- if (!variable_get('node_access_test_private') || $node->private) {
- $grants[] = array(
- 'realm' => 'node_access_test',
- 'gid' => 8888,
- 'grant_view' => 1,
- 'grant_update' => 0,
- 'grant_delete' => 0,
- 'priority' => 0,
- );
- $grants[] = array(
- 'realm' => 'node_access_test',
- 'gid' => 8889,
- 'grant_view' => 1,
- 'grant_update' => 0,
- 'grant_delete' => 0,
- 'priority' => 0,
- );
- // For the author realm, the GID is equivalent to a UID, which
- // means there are many many groups of just 1 user.
- $grants[] = array(
- 'realm' => 'node_access_test_author',
- 'gid' => $node->uid,
- 'grant_view' => 1,
- 'grant_update' => 1,
- 'grant_delete' => 1,
- 'priority' => 0,
- );
- }
- return $grants;
- }
- /**
- * Implements hook_permission().
- *
- * Sets up permissions for this module.
- */
- function node_access_test_permission() {
- return array('node test view' => array('title' => 'View content'));
- }
- /**
- * Implements hook_menu().
- *
- * Sets up a page that lists nodes.
- */
- function node_access_test_menu() {
- $items = array();
- $items['node_access_test_page'] = array(
- 'title' => 'Node access test',
- 'page callback' => 'node_access_test_page',
- 'access arguments' => array('access content'),
- 'type' => MENU_SUGGESTED_ITEM,
- );
- $items['node_access_entity_test_page'] = array(
- 'title' => 'Node access test',
- 'page callback' => 'node_access_entity_test_page',
- 'access arguments' => array('access content'),
- 'type' => MENU_SUGGESTED_ITEM,
- );
- return $items;
- }
- /**
- * Page callback for node access test page.
- *
- * Page should say "No nodes" if there are no nodes, and "Yes, # nodes" (with
- * the number filled in) if there were nodes the user could access. Also, the
- * database query is shown, and a list of the node IDs, for debugging purposes.
- * And if there is a query exception, the page says "Exception" and gives the
- * error.
- */
- function node_access_test_page() {
- $output = '';
- try {
- $query = db_select('node', 'mytab')
- ->fields('mytab');
- $query->addTag('node_access');
- $result = $query->execute()->fetchAll();
- if (count($result)) {
- $output .= '<p>Yes, ' . count($result) . ' nodes</p>';
- $output .= '<ul>';
- foreach ($result as $item) {
- $output .= '<li>' . $item->nid . '</li>';
- }
- $output .= '</ul>';
- }
- else {
- $output .= '<p>No nodes</p>';
- }
- $output .= '<p>' . ((string) $query ) . '</p>';
- }
- catch (Exception $e) {
- $output = '<p>Exception</p>';
- $output .= '<p>' . $e->getMessage() . '</p>';
- }
- return $output;
- }
- /**
- * Page callback for node access entity test page.
- *
- * Page should say "No nodes" if there are no nodes, and "Yes, # nodes" (with
- * the number filled in) if there were nodes the user could access. Also, the
- * database query is shown, and a list of the node IDs, for debugging purposes.
- * And if there is a query exception, the page says "Exception" and gives the
- * error.
- *
- * @see node_access_test_menu()
- */
- function node_access_entity_test_page() {
- $output = '';
- try {
- $query = new EntityFieldQuery;
- $result = $query->fieldCondition('body', 'value', 'A', 'STARTS_WITH')->execute();
- if (!empty($result['node'])) {
- $output .= '<p>Yes, ' . count($result['node']) . ' nodes</p>';
- $output .= '<ul>';
- foreach ($result['node'] as $nid => $v) {
- $output .= '<li>' . $nid . '</li>';
- }
- $output .= '</ul>';
- }
- else {
- $output .= '<p>No nodes</p>';
- }
- }
- catch (Exception $e) {
- $output = '<p>Exception</p>';
- $output .= '<p>' . $e->getMessage() . '</p>';
- }
- return $output;
- }
- /**
- * Implements hook_form_BASE_FORM_ID_alter().
- */
- function node_access_test_form_node_form_alter(&$form, $form_state) {
- // Only show this checkbox for NodeAccessBaseTableTestCase.
- if (variable_get('node_access_test_private')) {
- $form['private'] = array(
- '#type' => 'checkbox',
- '#title' => t('Private'),
- '#description' => t('Check here if this content should be set private and only shown to privileged users.'),
- '#default_value' => isset($form['#node']->private) ? $form['#node']->private : FALSE,
- );
- }
- }
- /**
- * Implements hook_node_load().
- */
- function node_access_test_node_load($nodes, $types) {
- $result = db_query('SELECT nid, private FROM {node_access_test} WHERE nid IN(:nids)', array(':nids' => array_keys($nodes)));
- foreach ($result as $record) {
- $nodes[$record->nid]->private = $record->private;
- }
- }
- /**
- * Implements hook_node_delete().
- */
- function node_access_test_node_delete($node) {
- db_delete('node_access_test')->condition('nid', $node->nid)->execute();
- }
- /**
- * Implements hook_node_insert().
- */
- function node_access_test_node_insert($node) {
- _node_access_test_node_write($node);
- }
- /**
- * Implements hook_node_update().
- */
- function node_access_test_node_update($node) {
- _node_access_test_node_write($node);
- }
- /**
- * Helper for node insert/update.
- */
- function _node_access_test_node_write($node) {
- if (isset($node->private)) {
- db_merge('node_access_test')
- ->key(array('nid' => $node->nid))
- ->fields(array('private' => (int) $node->private))
- ->execute();
- }
- }
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