From fac61fa985a0227a1746a671c0e54adedc96ec48 Mon Sep 17 00:00:00 2001
From: ben <ben@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Fri, 15 Feb 2008 18:21:35 +0000
Subject: All kinds of object and database stuff

git-svn-id: https://code.elgg.org/elgg/trunk@44 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 engine/lib/users.php | 97 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 engine/lib/users.php

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

diff --git a/engine/lib/users.php b/engine/lib/users.php
new file mode 100644
index 000000000..9d5e40288
--- /dev/null
+++ b/engine/lib/users.php
@@ -0,0 +1,97 @@
+<?php
+
+	/**
+	 * Elgg users
+	 * User and session management
+	 * 
+	 * @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/
+	 */
+
+	// This is here as a dummy for now
+		function get_users($param, $param2) {
+			return false;
+		}
+
+	/**
+	 * Session management
+	 */
+
+	/**
+	 * Returns whether or not the user is currently logged in
+	 *
+	 * @uses $_SESSION
+	 * @return true|false
+	 */
+		function isloggedin() {
+			
+			if ($_SESSION['id'] > 0)
+				return true;
+			return false;
+			
+		}
+		
+	/**
+	 * Initialises the system session and potentially logs the user in
+	 * 
+	 * This function looks for:
+	 * 
+	 * 1. $_SESSION['id'] - if not present, we're logged out, and this is set to -1
+	 * 2. The cookie 'elggperm' - if present, checks it for an authentication token, validates it, and potentially logs the user in 
+	 *
+	 * @uses $_SESSION
+	 * @param unknown_type $event
+	 * @param unknown_type $object_type
+	 * @param unknown_type $object
+	 */
+		function session_init($event, $object_type, $object) {
+			session_name('Elgg');
+	        session_start();
+	        
+	        if (empty($_SESSION['id'])) {
+	            if (isset($_COOKIE['elggperm'])) {
+	                                
+	                $code = $_COOKIE['elggperm'];
+	                $code = md5($code);
+	                if ($users = get_users(array(
+	                                                "code" =>$code
+	                                            ), "id, username, name, password")) {
+	                    foreach($users as $user) {
+	                        $_SESSION['id'] = $user->id;
+	                        $_SESSION['username'] = $user->username;
+	                        $_SESSION['name'] = $user->name;
+	                        $_SESSION['code'] = $_COOKIE['elggperm'];
+	                        // set_login_fields($user->id);
+	                    }
+	                } else {
+	                    $_SESSION['id'] = -1;
+	                }
+	            } else {
+	                $_SESSION['id'] = -1;
+	            }
+	        } else {
+	            if (!empty($_SESSION['code'])) {
+	                $code = md5($_SESSION['code']);
+	                if ($uid = get_users(array(
+	                                                "code" =>$code
+	                                            ), "id")) {
+	                    $id = $uid->id;
+	                } else {
+	                    
+	                }
+	            } else {
+	                $_SESSION['id'] = -1;
+	            }
+	        }
+	        if ($_SESSION['id'] > 0) {
+	            // set_last_action($_SESSION['id']);
+	        }
+		}
+
+	register_event_handler("init","system","session_init");
+		
+?>
\ No newline at end of file
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