function node_access_acquire_grants
7.x node.module | node_access_acquire_grants($node, |
6.x node.module | node_access_acquire_grants($node) |
Gets the list of node access grants and writes them to the database.
This function is called when a node is saved, and can also be called by modules if something other than a node save causes node access permissions to change. It collects all node access grants for the node from hook_node_access_records() implementations, allows these grants to be altered via hook_node_access_records_alter() implementations, and saves the collected and altered grants to the database.
Parameters
$node: The $node to acquire grants for.
$delete: Whether to delete existing node access records before inserting new ones. Defaults to TRUE.
Related topics
3 calls to node_access_acquire_grants()
- node_access_rebuild in drupal-7.x/
modules/ node/ node.module - Rebuilds the node access database.
- node_save in drupal-7.x/
modules/ node/ node.module - Saves changes to a node or adds a new node.
- _node_access_rebuild_batch_operation in drupal-7.x/
modules/ node/ node.module - Performs batch operation for node_access_rebuild().
File
- drupal-7.x/
modules/ node/ node.module, line 3474 - The core that allows content to be submitted to the site. Modules and scripts may programmatically submit nodes using the usual form API pattern.
Code
function node_access_acquire_grants($node, $delete = TRUE) {
$grants = module_invoke_all('node_access_records', $node);
// Let modules alter the grants.
drupal_alter('node_access_records', $grants, $node);
// If no grants are set and the node is published, then use the default grant.
if (empty($grants) && !empty($node->status)) {
$grants[] = array('realm' => 'all', 'gid' => 0, 'grant_view' => 1, 'grant_update' => 0, 'grant_delete' => 0);
}
else {
// Retain grants by highest priority.
$grant_by_priority = array();
foreach ($grants as $g) {
$grant_by_priority[intval($g['priority'])][] = $g;
}
krsort($grant_by_priority);
$grants = array_shift($grant_by_priority);
}
node_access_write_grants($node, $grants, NULL, $delete);
}