View file upload/src/addons/xenMade/ACPE/Util/Firewall.php

<?php

namespace xenMade\ACPE\Util;

class Firewall
{
    const IP_TYPE_V4    = 0x04;
    const IP_TYPE_V6    = 0x06;

    static public function getIpType($ip)
    {
        $status = null;
        if(filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4))
        {
            $status = self::IP_TYPE_V4;
        }
        elseif(filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6))
        {
            $status = self::IP_TYPE_V6;
        }

        return $status;
    }

    static public function sendLoginAlertMail($input, $ip, $type, array $emails)
    {
        $params =  [
            'ip' => $ip,
            'name' => (!empty($input['login']) ? $input['login'] : \XF::phrase('acpe_unknow')),
            'hash' => (!empty($input['hash']) ? $input['hash'] : ''),
        ];

        foreach($emails as $email)
        {
            \XF::app()->mailer()->newMail()
                ->setTo($email)
                ->setTemplate('acpe_firewall_email_' . $type, $params)
                ->send();
        }
    }

    static public function logLogins($userId, $username, $status, $login, $ip)
    {
        if(!$ip)
        {
            return false;
        }

        $hash = '';


        if(!$userId)
        {
            $userId = 0;
        }

        if($login == 'acp' && $status == 'success')
        {
            $hash = sha1(md5(\XF::$time . $ip . $userId . \XF::generateRandomString(256, true)));
        }

        if(utf8_strlen($username) > 50)
        {
            $username = substr($username, 0, 50);
        }

        \XF::db()->insert('xf_xenmade_acpe_login_log', [
            'user_id' => $userId,
            'username' => $username,
            'status' => $status,
            'login' => $login,
            'dateline' => \XF::$time,
            'hash' => $hash,
            'ip' => $ip
        ]);

        return $hash;
    }
}