<?php /** * Elgg actions * Allows system modules to specify actions * * @package Elgg * @subpackage Core * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2 * @author Curverider Ltd * @copyright Curverider Ltd 2008 * @link http://elgg.org/ */ // Action setting and run ************************************************* /** * Loads an action script, if it exists, then forwards elsewhere * * @param string $action The requested action * @param string $forwarder Optionally, the location to forward to */ function action($action, $forwarder = "") { global $CONFIG; $forwarder = str_replace($CONFIG->url, "", $forwarder); $forwarder = str_replace("http://", "", $forwarder); $forwarder = str_replace("@", "", $forwarder); if (substr($forwarder,0,1) == "/") { $forwarder = substr($forwarder,1); } if (isset($CONFIG->actions[$action])) { if ($CONFIG->actions[$action]['public'] || $_SESSION['id'] != -1) { if (@include($CONFIG->path . $CONFIG->actions[$action]['file'])) { } else { register_error("The requested action was not defined in the system."); } } else { register_error("Sorry, you cannot perform this action while logged out."); } } forward($CONFIG->url . $forwarder); } /** * Registers a particular action in memory * * @param string $action The name of the action (eg "register", "account/settings/save") * @param boolean $public Can this action be accessed by people not logged into the system? * @param string $filename Optionally, the filename where this action is located */ function register_action($action, $public = false, $filename = "") { global $CONFIG; if (!isset($CONFIG->actions)) { $CONFIG->actions = array(); } if (empty($filename)) { $filename = $CONFIG->path . "actions/" . $action . ".php"; } $CONFIG->actions[$action] = array('file' => $filename, 'public' => $public); } /** * Actions to perform on initialisation * * @param string $event Events API required parameters * @param string $object_type Events API required parameters * @param string $object Events API required parameters */ function actions_init($event, $object_type, $object) { register_action("error"); return true; } // Register some actions *************************************************** register_event_handler("init","system","actions_init"); ?>