From 269c58d56242a9c4bf4cac067efdbc6774424a32 Mon Sep 17 00:00:00 2001
From: ben <ben@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Thu, 14 Feb 2008 16:32:36 +0000
Subject: Actions, .htaccess, and the database schema

git-svn-id: https://code.elgg.org/elgg/trunk@31 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 engine/lib/actions.php | 88 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 engine/lib/actions.php

(limited to 'engine/lib/actions.php')

diff --git a/engine/lib/actions.php b/engine/lib/actions.php
new file mode 100644
index 000000000..e24659df1
--- /dev/null
+++ b/engine/lib/actions.php
@@ -0,0 +1,88 @@
+<?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->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");
+        }
+        
+    // Register some actions ***************************************************
+    
+        register_event_handler("init","system","actions_init");
+
+?>
\ No newline at end of file
-- 
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