<?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; $query = parse_url($_SERVER['REQUEST_URI']); if (isset($query['query'])) { $query = $query['query']; $query = rawurldecode($query); $query = explode('&',$query); if (sizeof($query) > 0) { foreach($query as $queryelement) { $vals = explode('=',$queryelement); if (sizeof($vals) > 1) { set_input(trim($vals[0]),trim($vals[1])); } } } } $forwarder = str_replace($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 ( (isadminloggedin()) || (!$CONFIG->actions[$action]['admin']) ) { if ($CONFIG->actions[$action]['public'] || $_SESSION['id'] != -1) { if (@include($CONFIG->actions[$action]['file'])) { } else { register_error(sprintf(elgg_echo('actionundefined'),$action)); } } else { register_error(elgg_echo('actionloggedout')); } } } else { register_error(sprintf(elgg_echo('actionundefined'),$action)); } forward($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 * @param boolean $admin_only Whether this action is only available to admin users. */ function register_action($action, $public = false, $filename = "", $admin_only = false) { global $CONFIG; if (!isset($CONFIG->actions)) { $CONFIG->actions = array(); } if (empty($filename)) { $path = ""; if (isset($CONFIG->path)) $path = $CONFIG->path; $filename = $path . "actions/" . $action . ".php"; } $CONFIG->actions[$action] = array('file' => $filename, 'public' => $public, 'admin' => $admin_only); return true; } /** * 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_elgg_event_handler("init","system","actions_init"); ?>