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<?php
/*
* HOMER API
* Homer's external auth
*
* Copyright (C) 2011-2014 Alexandr Dubovikov <alexandr.dubovikov@gmail.com>
* Copyright (C) 2011-2012 Lorenzo Mangani <lorenzo.mangani@gmail.com>
*
* The Initial Developers of the Original Code are
*
* Alexandr Dubovikov <alexandr.dubovikov@gmail.com>
* Lorenzo Mangani <lorenzo.mangani@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace Authentication;
defined( '_HOMEREXEC' ) or die( 'Restricted access' );
class External extends Authentication {
private $encrypt = true;
private $group_column = "gid";
private $id_column = "uid";
private $pass_column = "password";
private $user_column = "username";
private $user_table = "user";
private $user_level = "userlevel";
private $db;
private $_instance = null;
function __construct($utable = NULL)
{
if($utable != NULL) $this->user_table = $utable;
}
function logIn($param) {
$key = "";
if(EXTERNAL_AUTH_REQUEST_TYPE == "cookie")
{
$key = $_COOKIE[EXTERNAL_AUTH_REQUEST_KEY];
}
else if(EXTERNAL_AUTH_REQUEST_TYPE == "get")
{
$key = $_GET[EXTERNAL_AUTH_REQUEST_KEY];
}
$param = preg_replace('[KEY]', $key, EXTERNAL_AUTH_PARAM);
$ch = curl_init();
if(EXTERNAL_AUTH_METHOD == "POST")
{
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $param);
curl_setopt($ch, CURLOPT_URL, EXTERNAL_AUTH_URI);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
}
else {
curl_setopt($ch, CURLOPT_URL, EXTERNAL_AUTH_URI."?".$param);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "GET");
}
curl_setopt($ch, CURLOPT_HEADER, 0);
if(defined(EXTERNAL_AUTH_USERNAME) && EXTERNAL_AUTH_USERNAME != "")
{
curl_setopt($ch, CURLOPT_USERPWD, EXTERNAL_AUTH_USERNAME . ":" . EXTERNAL_AUTH_PASSWORD);
}
curl_setopt($ch, CURLOPT_TIMEOUT, 30);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, strtoupper(EXTERNAL_AUTH_METHOD));
$result = curl_exec($ch);
$info = curl_getinfo($ch);
curl_close($ch);
$data = json_decode($result);
if($info['http_code'] == EXTERNAL_AUTH_POSITIVE_REPLY && count($data) > 0)
{
$_SESSION['loggedin'] = $data->uid;
$_SESSION['uid'] = $data->uid;
$_SESSION['username'] = $data->username;
$_SESSION['gid'] = $data->gid;
$_SESSION['grp'] = $data->grp;
$user['uid'] = $data->uid;
$user['username'] = $data->username;
$user['gid'] = $data->gid;
$user['grp'] = $data->grp;
$user['firstname'] = $data->firstname;
$user['lastname'] = $data->lastname;
$user['email'] = $data->email;
$user['lastvisit'] = $data->lastvisit;
$_SESSION['extra'] = $user;
return $user;
} else{
$_SESSION['loggedin'] = "-1";
return array();
}
}
//logout function
function logOut(){
//$_SESSION['loggedin'] = '-1';
session_destroy();
$_SESSION = array();
return;
}
function checkSession () {
if(!isset($_SESSION['loggedin'])) $_SESSION['loggedin'] = '-1';
if($_SESSION['loggedin'] == "-1")
{
$user = $this->logIn($param);
if(empty($user)) return false;
else return true;
}
return true;
}
function checkAdmin () {
if(preg_match('/admins/',$_SESSION['grp'])) return true;
else return false;
}
function getUser() {
if(!isset($_SESSION['loggedin'])) $_SESSION['loggedin'] = '-1';
if($_SESSION['loggedin'] == "-1") return array();
$user = $_SESSION['extra'];
return $user;
}
}
?>
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