<?php
    $validUsers = array(
        'Eckostylez' => array(
            'passWord' => 'urpassword',
            'characters' => array('CharName1', 'CharName2'),
        ),
        'Vortex' => array(
            'passWord' => 'urpassword',
            'characters' => array('CharName1', 'CharName2'),
        ),
    );


    $userName = trim(arrayGet($_GET, 'un', ''));
    $passWord = trim(arrayGet($_GET, 'pw', ''));
    $character = trim(rrayGet($_GET, 'char', ''));

    if(0 == strlen($userName)){
        authError('Username not set');
    }else if(0 == strlen($passWord)){
        authError('Password not set');
    }else if(0 == strlen($character)){
        authError('Character not set');
    }

    $user = null;

    foreach($validUsers as $uName => $uData){
        if(md5($uName) === $userName){
            //found username
            if(md5($uData['passWord']) !== $passWord){
                //invalid password
                authError('Invalid username/password');
            }else if(!in_array($character, $uData['characters'])){
                authError('Invalid character name');
            }
        }
    }
    authError('Invalid username/password');



    //Functions:

    function authError($errMsg){
        die('failed'."\n".$errMsg);
    }

    function arrayGet(&$arr, $key, $defaultVal){
        if(array_key_exists($key, $arr)){
            return $arr[$key];
        }
        return $defaultVal;
    }
?>