no me sube el archivo

[freskury]

Hola a ver si alguien le puede echar un vistazo a este codigo pq no entiendo que le pasa. Cuando ejecuta la subida del archivo lo hace al 100% pero cuando debe de salir "El archivo a sido subido" me sale error usuario invalido y no me lo sube.

<?php
$page = "user_music_upload";
include "header.php";

$task = ( !empty($_POST['task']) ? $_POST['task'] : ( !empty($_GET['task']) ? $_GET['task'] : NULL ) );
$isAjax = ( !empty($_POST['isAjax']) ? $_POST['isAjax'] : ( !empty($_GET['isAjax']) ? $_GET['isAjax'] : FALSE ) );


// ENSURE MUSIC IS ENABLED FOR THIS USER
if( !$user->level_info['level_music_allow'] ) { header("Location: user_home.php"); exit(); }


// JSON INCLUDES
if( $isAjax && !function_exists('json_encode') )
{
include_once "include/xmlrpc/xmlrpc.inc";
include_once "include/xmlrpc/xmlrpcs.inc";
include_once "include/xmlrpc/xmlrpc_wrappers.inc";
include_once "include/jsonrpc/jsonrpc.inc";
include_once "include/jsonrpc/jsonrpcs.inc";
include_once "include/jsonrpc/json_extension_api.inc";
}


// SET RESULT AND ERROR VARS
$result = "";
$is_error = FALSE;
$show_uploader = TRUE;
$file_result = array();


// SET MUSIC
$music = new se_music($user->user_info['user_id']);


// UPLOAD FRAME
if( $task=="doupload" )
{
$isAjax = $_POST['isAjax'];
$file_result = array();

// WORKAROUND FOR FLASH UPLOADER
if( $_FILES['file1']['type']=="application/octet-stream" && $isAjax )
{
$file_types = explode(",", str_replace(" ", "", strtolower($user->level_info['level_music_mimes'])));
$_FILES['file1']['type'] = $file_types[0];
}

// GET TOTAL SPACE USED
$space_used = $music->music_space();
if($user->level_info[level_music_storage]) {
$space_left = $user->level_info['level_music_storage'] - $space_used;
} else {
$space_left = ( $dfs=disk_free_space("/") ? $dfs : pow(2, 32) );
}

// RUN FILE UPLOAD FUNCTION FOR EACH SUBMITTED FILE
$action_music = array();
for( $file_index=1; $file_index<6; $file_index++ )
{
$file_param = "file{$file_index}";
if( empty($_FILES[$file_param]) ) continue;

$file_result[$file_param] = $music->music_upload($file_param, $space_left);

if( !$file_result[$file_param]['is_error'] )
{
$file_result[$file_param]['message'] = 4000085;

// INSERT ACTION
$actions->actions_add($user, "newmusic", array($user->user_info['user_username'], $user->user_displayname));

// UPDATE LAST UPDATE DATE (SAY THAT 10 TIMES FAST)
$user->user_lastupdate();
}
else
{
$file_result[$file_param]['message'] = $file_result[$file_param]['is_error'];
}
SE_Language::_preload($file_result[$file_param]['message']);
}

// OUTPUT JSON RESULT
if( $isAjax )
{
SE_Language::load();
if( !$file_result[$file_param]['is_error'] )
{
$result = "success";
$size = sprintf(SE_Language::_get($file_result['file1']['message']), $file_result['file1']['file_name']);
$error = null;
}
else
{
$result = "failure";
$error = sprintf(SE_Language::_get($file_result['file1']['message']), $file_result['file1']['file_name']);
$size = null;
}
if( !headers_sent() ) { header('Content-type: application/json'); }
$json_response = json_encode(array('result'=>$result,'error'=>$erro r,'size'=>$size));
if( function_exists('handleErrorInSocialEngine') ) handleErrorInSocialEngine(E_USER_ERROR, $json_response);
echo $json_response;
exit();
}

// SHOW PAGE WITH RESULTS
else
{
$show_uploader = 0;
}
}




// GET TOTAL SPACE USED
$space_used = $music->music_space();
if($user->level_info[level_music_storage]) {
$space_left = $user->level_info['level_music_storage'] - $space_used;
} else {
$space_left = ( $dfs=disk_free_space("/") ? $dfs : pow(2, 32) );
}


// GET MAX FILESIZE ALLOWED
$max_filesize_kb = ($user->level_info[level_music_maxsize] / 1024) / 1024;
$max_filesize_kb = round($max_filesize_kb, 0);


// CONVERT UPDATED SPACE LEFT TO MB
$space_left_mb = ($space_left / 1024) / 1024;
$space_left_mb = round($space_left_mb, 2);


// START NEW SESSION AND SET SESSION VARS FOR UPLOADER
session_start();
$_SESSION = array();
session_regenerate_id();
$_SESSION['upload_token'] = md5(uniqid(rand(), true));
$_SESSION['action'] = "user_music_upload.php";
$_SESSION['user_id'] = $_COOKIE['user_id'];
$_SESSION['user_email'] = $_COOKIE['user_email'];
$_SESSION['user_password'] = $_COOKIE['user_password'];

// SET INPUTS
$inputs = array();


// ASSIGN VARIABLES AND SHOW UPLOAD FILES PAGE
$smarty->assign('music_title', $music->music_title);
$smarty->assign('allowed_exts', str_replace(",", ", ", $user->level_info[level_music_exts]));

$smarty->assign('space_left', $space_left_mb);
$smarty->assign('max_filesize', $max_filesize_kb);

$smarty->assign('show_uploader', $show_uploader);
$smarty->assign('inputs', $inputs);
$smarty->assign('file_result', $file_result);
$smarty->assign('session_id', session_id());
$smarty->assign('upload_token', $_SESSION['upload_token']);
include "footer.php";
?>

A ver pq ya no se...graicas