nexusphp/public/confirm.php

<?php
require_once("../include/bittorrent.php");
header("Content-Type: text/html; charset=utf-8");
$id = (int) $_GET["id"];
$confirm_md5 = $_GET["secret"];

if (!$id)
	httperr();

dbconn();

$res = sql_query("SELECT passhash, secret, editsecret, status FROM users WHERE id = ".sqlesc($id)) or sqlerr(__FILE__, __LINE__);
$row = mysql_fetch_assoc($res);

if (!$row)
	httperr();

if ($row["status"] != "pending") {
	header("Location: ok.php?type=confirmed");
	exit();
}

$confirm_sec = hash_pad($row["secret"]);
if ($confirm_md5 != md5($confirm_sec))
	httperr();

sql_query("UPDATE users SET status='confirmed', editsecret='' WHERE id=".sqlesc($id)." AND status='pending'") or sqlerr(__FILE__, __LINE__);

if (!mysql_affected_rows())
	httperr();


if ($securelogin == "yes")
{
	$securelogin_indentity_cookie = true;
	$passh = md5($row["passhash"].$_SERVER["REMOTE_ADDR"]);
}
else	// when it's op, default is not use secure login
{
	$securelogin_indentity_cookie = false;
	$passh = md5($row["passhash"]);
}
logincookie($id, $passh,1,get_setting('system.cookie_valid_days', 365) * 86400,$securelogin_indentity_cookie);
//sessioncookie($row["id"], $passh,false);

header("Location: ok.php?type=confirm");
?>