<?PHP

/* ====================
Seditio - Website engine
Copyright Neocrome & Seditio Team
https://seditio.org
[BEGIN_SED]
File=users.auth.inc.php
Version=179
Updated=2022-jul-15
Type=Core
Author=Seditio Team
Description=User authentication
[END_SED]
==================== */

if (!defined('SED_CODE')) { die('Wrong URL.'); }

$v = sed_import('v','G','H32');

/* === Hook === */
$extp = sed_getextplugins('users.auth.first');
if (is_array($extp))
	{ foreach($extp as $k => $pl) { include(SED_ROOT . '/plugins/'.$pl['pl_code'].'/'.$pl['pl_file'].'.php'); } }
/* ===== */

if ($a == 'check')
	{
	sed_shield_protect();

	/* === Hook for the plugins === */
	$extp = sed_getextplugins('users.auth.check');
	if (is_array($extp))
		{ foreach($extp as $k => $pl) { include(SED_ROOT . '/plugins/'.$pl['pl_code'].'/'.$pl['pl_file'].'.php'); } }
	/* ===== */

	$rusername = sed_import('rusername','P','TXT', 24, TRUE);
	$rpassword = sed_import('rpassword','P','TXT', 16, TRUE);
	$rcookiettl = sed_import('rcookiettl','P','INT');

	$error_string .= (mb_strlen($rusername) < 2) ? $L['aut_usernametooshort']."<br />" : '';
	$error_string .= (mb_strlen($rpassword) < 4) ? $L['aut_passwordtooshort']."<br />" : '';	
	
	if (empty($error_string))
		{
		// New in sed171
		$sql = sed_sql_query("SELECT user_salt, user_passtype FROM $db_users WHERE user_name='".sed_sql_prep($rusername)."' OR user_email = '".sed_sql_prep($rusername)."'");

		if (sed_sql_numrows($sql) == 1)
		{
		  $row = sed_sql_fetchassoc($sql);    
		  $mdsalt = $row['user_salt']; // New sed172       	  
		  $rmdpass = ($row['user_passtype'] == 0) ?  sed_hash($rpassword, 0) : sed_hash($rpassword, 1, $mdsalt); // New sed172 
		}

		$sql = sed_sql_query("SELECT user_id, user_secret, user_maingrp, user_banexpire, user_skin, user_lang 
							FROM $db_users WHERE user_password = '$rmdpass' AND (user_name='".sed_sql_prep($rusername)."' OR user_email = '".sed_sql_prep($rusername)."')");

		if ($row = sed_sql_fetchassoc($sql))
			{
			if ($row['user_maingrp'] == 2)
				{
				sed_log("Log in attempt, user inactive : ".$rusername, 'usr');
				sed_redirect(sed_url("message", "msg=152", "", true));
				exit;
				}
			elseif ($row['user_maingrp'] == 3)
				{
				if ($sys['now'] > $row['user_banexpire'] && $row['user_banexpire'] > 0)
					{
					$sql = sed_sql_query("UPDATE $db_users SET user_maingrp='4' WHERE user_id='".$row['user_id']."'");
					}
				else
					{
					sed_log("Log in attempt, user banned : ".$rusername, 'usr');
					sed_redirect(sed_url("message", "msg=153&num=".$row['user_banexpire'], "", true));
					exit;
					}
				}

			$rmdpass_secret = md5(sed_unique(16)); // New sed171
		
			$ruserid = $row['user_id'];
			$rdefskin = $row['user_skin'];

			sed_sql_query("UPDATE $db_users SET user_secret = '".$rmdpass_secret."', user_lastip='".$usr['ip']."' WHERE user_id='".$row['user_id']."' LIMIT 1");

			if ($rcookiettl > 0 && ($cfg['authmode'] == 1 || $cfg['authmode'] == 3))
				{
				$rcookiettl = ($rcookiettl == 0) ? 604800 : $rcookiettl;
				$rcookiettl = ($rcookiettl > $cfg['cookielifetime']) ? $cfg['cookielifetime'] : $rcookiettl;
				$u = base64_encode("$ruserid:_:$rmdpass_secret:_:$rdefskin");
				sed_setcookie($sys['site_id'], $u, time()+$rcookiettl, $cfg['cookiepath'], $cfg['cookiedomain'], $sys['secure'], true);
				}

			if ($cfg['authmode'] == 2 || $cfg['authmode'] == 3)
				{
				$_SESSION[$sys['site_id'].'_n'] = $ruserid;
				$_SESSION[$sys['site_id'].'_p'] = $rmdpass_secret;
				$_SESSION[$sys['site_id'].'_s'] = $rdefskin;
				}

			/* === Hook === */
			$extp = sed_getextplugins('users.auth.check.done');
			if (is_array($extp))
				{ foreach($extp as $k => $pl) { include(SED_ROOT . '/plugins/'.$pl['pl_code'].'/'.$pl['pl_file'].'.php'); } }
			/* ===== */

			$sql = sed_sql_query("DELETE FROM $db_online WHERE online_userid='-1' AND online_ip='".$usr['ip']."' LIMIT 1");  
			sed_redirect(sed_url("message", "msg=104&redirect=".$redirect, "", true));
			exit;
			}
		else
			{
			sed_shield_update(7, "Log in");
			sed_log("Log in failed, user : ".$rusername,'usr');
			sed_redirect(sed_url("message", "msg=151", "", true));
			exit;
			}
		}
	}

$out['subtitle'] = $L['aut_logintitle'];
$title_tags[] = array('{MAINTITLE}', '{TITLE}', '{SUBTITLE}');
$title_tags[] = array('%1$s', '%2$s', '%3$s');
$title_data = array($cfg['maintitle'], $out['subtitle'], $cfg['subtitle']);
$out['subtitle'] = sed_title('userstitle', $title_tags, $title_data);

// ---------- Breadcrumbs
$urlpaths[sed_url("users", "m=auth")] = $L['Auth'];

/* === Hook === */
$extp = sed_getextplugins('users.auth.main');
if (is_array($extp))
	{ foreach($extp as $k => $pl) { include(SED_ROOT . '/plugins/'.$pl['pl_code'].'/'.$pl['pl_file'].'.php'); } }
/* ===== */

require(SED_ROOT . "/system/header.php");
$t = new XTemplate("skins/".$skin."/users.auth.tpl");

if (!empty($error_string))
	{
	$t->assign("USERS_AUTH_ERROR_BODY",$error_string);
	$t->parse("MAIN.USERS_AUTH_ERROR");
	}

$t->assign(array(
	"USERS_AUTH_TITLE" => $L['aut_logintitle'],
	"USERS_AUTH_SEND" => sed_url("users", "m=auth&a=check&redirect=".$redirect),
	"USERS_AUTH_BREADCRUMBS" => sed_breadcrumbs($urlpaths),
	"USERS_AUTH_USER" => sed_textbox("rusername", "", 16, 100),
	"USERS_AUTH_PASSWORD" => sed_textbox("rpassword", "", 16, 32, "password", false, "password"),
	"USERS_AUTH_REGISTER" => sed_url("users", "m=register"),
	"USERS_AUTH_LOSTPASSWORD" => sed_url("plug", "e=passrecover")
));

/* === Hook === */
$extp = sed_getextplugins('users.auth.tags');
if (is_array($extp))
	{ foreach($extp as $k => $pl) { include(SED_ROOT . '/plugins/'.$pl['pl_code'].'/'.$pl['pl_file'].'.php'); } }
/* ===== */

$t->parse("MAIN");
$t->out("MAIN");

require(SED_ROOT . "/system/footer.php");

?>