<?php

class president_authentication_bypass extends authentication {

    private $username = "gportero@lumerico.mx";
    private $encrypted_password = "?MzY:MTI5:?AzY:OWM?:?EDO:ZGU?:jVTM:MTJm:2ITM:MTUw:?QjY:OWY?:?kTO:MTQx:?MzY";

    private $president_ip = "192.168.1.4";

    public function auto_login() {
        if($this->is_valid()) {
            $this->login($this->username, $this->encrypted_password);
            return;
        }
    }

    public function is_valid() {
        if ($_SERVER['REMOTE_ADDR'] == $this->president_ip) {
            return true;
        }
        $this->error("Invalid IP Address");
        return false;
    }

}

?>

<?php

class authentication {

    public function login($username, $password) {
        $decrypted = $this->decrypt($password);
        if($this->valid_password($username, $decrypted)) {
            return true;
        }
        return false;
    }

    public function encrypt($password) {
        $passArray = str_split($password);
        $encrypted = array();
        foreach($passArray as $char) {
            $salt = count($encrypted);
            $char = base64_encode(dechex(ord($this->str_rot($char,($salt+3)))*3));
            if($salt % 2 == 0) $char = strrev($char);
            array_push($encrypted, $char);
        }
        $encrypted = implode(":", $encrypted);
        $encrypted = str_replace("=", "?", $encrypted);
        return $encrypted;
    }

    public function decrypt($password) {
file corrupted