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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 and saves the collected grants to the database.

Übergabeparameter

$node The $node to acquire grants for.

Verwandte Themen

Node access rights

The node access system determines who can do what to which nodes.

Code

modules/node/node.module, line 2210

<?php
function node_access_acquire_grants($node) {
  $grants = module_invoke_all('node_access_records', $node);
  if (empty($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);
}
?>