<?php
/**
 * /config/config.php
 * @version 1.0
 * @desc configuration file
 * @author Fándly Gergő Zoltán (fandlygergo@gmail.hu, systemtest.tk)
 * @copy 2017 Fándly Gergő Zoltán
 * License:
    Result Manager for managing results of students in bilingual school systems.
    Copyright (C) 2017  Fándly Gergő Zoltán

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU 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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 **/

/*
 * Includes
 */
require_once("lib/loginManager/loginManager.php");
require_once("lib/PasswordStorage.php");
require_once("lib/functions.php");

/*
 * Load config file
 */
$config=parse_ini_file("config.ini", true);

/*
 * Regionalization
 */
date_default_timezone_set($config['general']['timezone']);
mb_internal_encoding("UTF-8");

/*
 * Load language file
 */
$lang=parse_ini_file("lang/".$config['language']['use']);

/*
 * Set up DB
 */
$db=new PDO($config['database']['type'].":host=".$config['database']['host'].";dbname=".$config['database']['name'].";charset=utf8", $config['database']['user'], $config['database']['password']);

/*
 * Byte order mark for utf8
 */
$BOM=chr(239).chr(187).chr(191);

/*
 * Debug
 */
if($config['general']['debug']){
    $db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
    ini_set("display_errors", true);
}

/*
 * Versioning
 */
const VERSION="0.7";

/*
 * Set up login manager
 */
//build classes
class handler implements lmHandler{
    public function handle($state, $target=0){
        global $db;
        switch($state){
            case lmStates::LOGIN_FAILED:
                functions::setError(1);
                functions::safeReload();
                break;
            case lmStates::LOGIN_OK:
                $sql=$db->prepare("SELECT id, username, fullname, accesslevel, class, perm_message FROM users WHERE id=:id");
                $sql->execute(array(":id"=>$target));
                $res=$sql->fetch(PDO::FETCH_ASSOC);
                $_SESSION['id']=$res['id'];
                $_SESSION['username']=$res['username'];
                $_SESSION['fullname']=$res['fullname'];
                $_SESSION['accesslevel']=$res['accesslevel'];
                $_SESSION['class']=$res['class'];
                $_SESSION['perm_message']=$res['perm_message'];
                functions::safeReload();
                break;
            case lmStates::CAPTCHA_FAILED:
                functions::setError(2);
                functions::safeReload();
                break;
            case lmStates::BANNED:
                functions::setError(3);
                functions::safeReload();
                break;
            case lmStates::FORGET_DONE:
                functions::setMessage(1);
                functions::safeReload();
                break;
            case lmStates::LOGOUT_DONE:
                functions::setMessage(2);
                functions::safeReload();
        }
        return;
    }
}
class password implements lmPassword{
    public function verifyPassword($cleartext, $database){
        if($database==""){
            return false;
        }
        return PasswordStorage::verify_password($cleartext, $database);
    }
}
class twoFactor implements lmTwoFactor{
    public function secondFactor($uid){
        return true;
    }
}

//build login manager
$lm=new loginManager(new lmConfig($db, $config['login']['session_lifetime'], $config['login']['captcha_enable'], $config['login']['captcha_after'], $config['login']['captcha_sitekey'], $config['login']['captcha_secretkey'], $config['login']['ban_enable'], $config['login']['ban_after'], $config['login']['ban_time'], $config['login']['look'], $config['login']['remember_enable'], $config['login']['remember_time'], lmStates::AUTH_UNAME), new handler(), new password(), new twoFactor());
//init
$lm->init();

//get the current schoolyear
$schoolyear="";
if(date("m")>=$config['general']['newYearMonth']){
    $schoolyear=date("Y")."-".date("Y", time()+31556926);
}
else{
    $schoolyear=date("Y", time()-31556926)."-".date("Y");
}