null, 'label' => null, 'comment' => null, 'order' => 100, ]; /** * @var array Cache of registration callbacks. */ private $callbacks = []; /** * @var array List of registered permissions. */ private $permissions = []; /** * @var array Cache of registered permissions. */ private $permissionCache = false; /** * Registers a callback function that defines authentication permissions. * The callback function should register permissions by calling the manager's * registerPermissions() function. The manager instance is passed to the * callback function as an argument. Usage: *

     *   BackendAuth::registerCallback(function($manager){
     *       $manager->registerPermissions([...]);
     *   });
     *

* @param callable $callback A callable function. */ public function registerCallback(callable $callback) { $this->callbacks[] = $callback; } /** * Registers the back-end permission items. * The argument is an array of the permissions. The array keys represent the * permission codes, specific for the plugin/module. Each element in the * array should be an associative array with the following keys: * - label - specifies the menu label localization string key, required. * - order - a position of the item in the menu, optional. * - comment - a brief comment that describes the permission, optional. * - tab - assign this permission to a tabbed group, optional. * @param string $owner Specifies the menu items owner plugin or module in the format Vendor/Module. * @param array $definitions An array of the menu item definitions. */ public function registerPermissions($owner, array $definitions) { foreach ($definitions as $code=>$definition) { $permission = (object)array_merge(self::$permissionDefaults, array_merge($definition, [ 'code'=>$code, 'owner'=>$owner ])); $this->permissions[] = $permission; } } /** * Returns a list of the main menu items. * @return array */ public function listPermissions() { if ($this->permissionCache !== false) return $this->permissionCache; foreach ($this->callbacks as $callback) { $callback($this); } usort($this->permissions, function($a, $b) { if ($a->order == $b->order) return 0; return $a->order > $b->order ? 1 : -1; }); return $this->permissionCache = $this->permissions; } }