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<?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'] || $_SESSION['id'] != -1) {
system_message("DEBUG ACTION ({$action}): " . $CONFIG->actions[$action]['file']);
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 $filename Optionally, the filename where this action is located
*/
function register_action($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);
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_event_handler("init","system","actions_init");
?>
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