UCP Ephraim Login Fehler

$_PUBLIC['DB']['STRUCTURE'] = array(
	'USER'=>array(
	//	'ID'=>'SQLid',
	//	'NAME'=>'Name',
	//	'PASSWORD'=>'Key'
		'ID'=>'id',
		'NAME'=>'Name',
		'PASSWORD'=>'Passwort'
	),
	'BAN'=>array(
	/*	'ID'=>'SQLid',
		'NAME'=>'Name',
		'REASON'=>'Grund',
		'BY'=>'Hammer' */
		'id'=>'SQLid',
		'Name'=>'Name',
		'Grund'=>'Grund',
		'Admin'=>'Hammer'
	)
);

/*
 * auth.js
 * (c) 2012-2013 by hlucas
 * 
 * http://hlucas.de
 *
**/


$(function() {
	var timeout;

	$('#login').center();
	$('#login').hide();
	$('#status').hide();
	$('#waiting').hide();

	$("#logon").removeAttr('disabled');

	$('#logon').click(function() {
		clearTimeout(timeout);
		$("#logon").attr('disabled', 'true');
		$('#message').hide();
		$('#status').hide();
		$('#waiting').show(500);

		$.ajax({
			type : 'POST',
			url : 'lib/ajax/AuthRequest.ajax.php',
			dataType : 'json',
			data: {
				user		: $('#username').val(),
				password	: $('#password').val()
			},
			success : function(data){
				$('#waiting').hide();

				if(data.error == 0) {
					location.reload();
				}
				else {
					$('#login').effect('highlight',{color:'#9E4A48'},500).effect('highlight',{color:'#9E4A48'},500);
					$('#status').text(data.code).show(500);
				}

				timeout = setTimeout(resetMessage,10000);
			},
			error : function(XMLHttpRequest, textStatus, errorThrown) {
				$('#login').effect('highlight',{color:'#9E4A48'},500).effect('highlight',{color:'#9E4A48'},500);
				//$('#login').effect('shake',500);
				$('#waiting').hide();

				$('#status').removeClass().text('Serverfehler: '+textStatus+', '+errorThrown).show(500);

				timeout = setTimeout(resetMessage,10000);
			}
		});

		return false;
	});

	function resetMessage() {
		$("#logon").removeAttr('disabled');
		$('#status').hide();
		$('#message').show(500);
	}
});

<?php
require_once('../../init.inc.php');


sleep(3);


class AuthRequest {
	public function __construct() {
		if(!isset($_POST['user'])) self::returnCode(false,'Es wurde kein Benutzername angegeben.');
		if(!isset($_POST['password'])) self::returnCode(false,'Es wurde kein Kennwort angegeben.');

		self::checkData($_POST['user'],$_POST['password']);
	}
	private function checkData($user,$password) {
		global $_PUBLIC;

		if(!User::userExists($user)) self::returnCode(false,'Der angegebene Benutzer existiert nicht.');

		$UserInfo = User::GetUserInfo($user,array($_PUBLIC['DB']['STRUCTURE']['USER']['ID'],$_PUBLIC['DB']['STRUCTURE']['USER']['PASSWORD']));
		if(StringUtil::decrypt($password) != $UserInfo[$_PUBLIC['DB']['STRUCTURE']['USER']['PASSWORD']]) self::returnCode(false,'Das angegebene Kennwort ist inkorrekt.');

		if(User::isBanned($user)) self::returnCode(false,'Dieser Nutzeraccount wurde gesperrt.');

		$_SESSION['userID'] = $UserInfo[$_PUBLIC['DB']['STRUCTURE']['USER']['ID']];
		self::returnCode(true,1);
	}
	private function returnCode($status,$code) {
		$return['error'] = ($status) ? '0' : '1';
		$return['code'] = $code;
		echo json_encode($return);
		exit;
	}
}
new AuthRequest;