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function node_access_acquire_grants in Drupal 5

Same name and namespace in other branches
  1. 6 modules/node/node.module \node_access_acquire_grants()
  2. 7 modules/node/node.module \node_access_acquire_grants()

This function will call module invoke to get a list of grants and then write them to the database. It is called at node save, and should be called by modules whenever something other than a node_save causes the permissions on a node to change.

This function is the only function that should write to the node_access table.

Parameters

$node: The $node to acquire grants for.

Related topics

2 calls to node_access_acquire_grants()
node_access_rebuild in modules/node/node.module
Rebuild the node access database. This is occasionally needed by modules that make system-wide changes to access levels.
node_save in modules/node/node.module
Save a node object into the database.

File

modules/node/node.module, line 2947
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) {
  $grants = module_invoke_all('node_access_records', $node);
  if (!$grants) {
    $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);
}