Full proxy of any simple website for Keitaro Tracker. Use it for safe pages. Description: https://vk.com/@npprteam-nppr-keitaro-curl-polnoe-proksirovanie-saitov-bonus

proxy.php

<?php

// settings
$API_KEY = 'API-KEY';
$SUB_ID = 'sub_id_15';

// main logic
$site = isset($_GET['site']) ? trim(strip_tags($_GET['site'])) : '';
$campaign_id = isset($_GET['campaign_id']) ? trim(strip_tags($_GET['campaign_id'])) : '';
$stream_id = isset($_GET['stream_id']) ? trim(strip_tags($_GET['stream_id'])) : '';
$sub_id = isset($_GET[$SUB_ID]) ? trim(strip_tags($_GET[$SUB_ID])) : '';
$useragent = isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : '';
if ($useragent === '') {
    $useragent = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.77 Safari/537.36';
}

if ($site === '' || !filter_var($site, FILTER_VALIDATE_URL)) {
    die('Enter valid site');
}

$site = rtrim($site, '/') . '/';

if ($campaign_id === '') {
    die('Enter valid campaign_id');
}

[$campaign, $error] = keitaro_api('admin_api/v1/campaigns/' . $campaign_id);
if ($error !== '') {
    die($error);
}

$domain = isset($campaign['domain']) ? $campaign['domain'] : '';
if ($domain === '') {
    die('Cannot find domain in campaign');
}

if ($stream_id === '') {
    die('Enter valid stream_id');
}

[$stream, $error] = keitaro_api('admin_api/v1/streams/' . $stream_id);
if ($error !== '') {
    die($error);
}

$comments = isset($stream['comments']) ? $stream['comments'] : '';
$alias = isset($campaign['alias']) ? trim($campaign['alias']) : '';
$parameters = isset($campaign['parameters']) ? $campaign['parameters'] : [];

if (isset($parameters[$SUB_ID])) {
    unset($parameters[$SUB_ID]);
}

$parameters = array_map(function ($parameter) {
    return $parameter['name'] . '=' . $parameter['placeholder'];
}, array_filter(array_values($parameters), function ($parameter) {
    return $parameter['placeholder'] !== '';
}));

$final_url = $domain . $alias . '?' . implode('&', $parameters);
$proxy_url = $site . ltrim($sub_id, '/');

$filters = isset($stream['filters']) ? $stream['filters'] : [];
$filters = array_values(array_filter($filters, function ($filter) {
    return $filter['name'] === 'referrer';
}));
$referrer = count($filters) > 0 ? $filters[0]['payload'][0] : '';

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $proxy_url);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_USERAGENT, $useragent);
if ($referrer !== '') {
    curl_setopt($ch, CURLOPT_REFERER, $referrer);
}
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
curl_setopt($ch, CURLOPT_TIMEOUT, 10);
curl_setopt($ch, CURLOPT_MAXREDIRS, 2);
$page = curl_exec($ch);

$page = preg_replace_callback('/\shref\s?=\s?["\']([^"^\']*?)["\']/', 'changeAnchors', $page, 300);

header('Content-Type: text/html; charset=UTF-8');
echo str_replace('</body>', $comments . '</body>', $page);

function keitaro_api($method) {
    global $API_KEY;

    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, 'http://127.0.0.1/' . $method);
    curl_setopt($ch, CURLOPT_HTTPHEADER, ['Api-Key: ' . $API_KEY]);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, false);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
    curl_setopt($ch, CURLOPT_TIMEOUT, 10);
    curl_setopt($ch, CURLOPT_MAXREDIRS, 2);
    
    $response = @json_decode(curl_exec($ch), true);
    $error = isset($response['error']) ? $response['error'] : '';

    return [$response, $error];
}

function changeAnchors($m) {
    global $site, $final_url, $SUB_ID;

    $str = $m[0];
    $url = $m[1];

    if ((
        stripos($url, '//') === 0 || 
        stripos($url, 'http://') === 0 || 
        stripos($url, 'https://') === 0 ||
        stripos($url, '#') === 0 ||
        stripos($url, 'javascript:') === 0
    ) && stripos($url, rtrim($site, '/')) !== 0) {
        return $str;
    }

    $new_url = str_replace(rtrim($site, '/'), '', $url);

    $new_url = explode('#', $new_url);
    $hash = '';
    if (count($new_url) > 1) {
        $hash = $new_url[count($new_url) - 1];
        unset($new_url[count($new_url) - 1]);
    }
    $new_url = implode('#', $new_url);

    $new_url = explode('?', $new_url);
    $query = '';
    if (count($new_url) > 1) {
        $query = $new_url[count($new_url) - 1];
        unset($new_url[count($new_url) - 1]);
    }
    $new_url = implode('?', $new_url);

    $ext = explode('.', $new_url);
    $ext = count($ext) > 1 ? strtolower($ext[count($ext) - 1]) : '';
    if (in_array($ext, ['', 'php', 'html', 'htm'])) {
        $new_url = trim($new_url, '/');
        if ($new_url === '') {
            $new_url = $final_url;
        } else {
            $new_url_param = '/' . $new_url;
            if ($query !== '') {
                $new_url_param .= '?' . $query;
            }
            if ($hash !== '') {
                $new_url_param .= '#' . $hash;
            }
        }

        return str_replace($url, $final_url . '&' . $SUB_ID . '=' . urlencode($new_url_param), $str);
    }

    return $str;
}