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<?php
// ---------------- CONFIG ----------------
$VCSKY_BASE_URL = "https://cdn.dos.zone/vcsky/";
$BR_BASE_URL = "https://br.cdn.dos.zone/vcsky/";
$BASE_PATH = '/reVCDOS'; // public base URL
$DIST_PATH = __DIR__ . '/dist'; // local directory for SPA
// ---------------- HELPERS ----------------
// Build URL with query string
function build_url($base, $path) {
$query = $_SERVER['QUERY_STRING'];
$url = rtrim($base, '/') . '/' . ltrim($path, '/');
if ($query) {
$url .= '?' . $query;
}
return $url;
}
// Proxy request using cURL
function proxy_request($url) {
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $_SERVER['REQUEST_METHOD']);
// Forward headers
$headers = [];
foreach (getallheaders() as $key => $value) {
if (!in_array(strtolower($key), ['host', 'content-length'])) {
$headers[] = "$key: $value";
}
}
$headers[] = "Cross-Origin-Opener-Policy: same-origin";
$headers[] = "Cross-Origin-Embedder-Policy: require-corp";
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
// Forward body for POST/PUT/PATCH
if (!in_array($_SERVER['REQUEST_METHOD'], ['GET', 'HEAD'])) {
curl_setopt($ch, CURLOPT_POSTFIELDS, file_get_contents('php://input'));
}
curl_setopt($ch, CURLOPT_HEADER, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($ch);
$header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
$header_text = substr($response, 0, $header_size);
$body = substr($response, $header_size);
foreach (explode("\r\n", $header_text) as $header) {
if ($header && stripos($header, 'Content-Length') === false) {
header($header, false);
}
}
echo $body;
curl_close($ch);
}
// ---------------- ROUTING ----------------
$uri = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH);
// Proxy /vcsky/*
if (preg_match('#^' . $BASE_PATH . '/vcsky/(.*)#', $uri, $matches)) {
$url = build_url($VCSKY_BASE_URL, $matches[1]);
proxy_request($url);
exit;
}
// Proxy /vcbr/*
if (preg_match('#^' . $BASE_PATH . '/vcbr/(.*)#', $uri, $matches)) {
$url = build_url($BR_BASE_URL, $matches[1]);
proxy_request($url);
exit;
}
// Serve static files under $BASE_PATH
if (strpos($uri, $BASE_PATH) === 0) {
$relativePath = substr($uri, strlen($BASE_PATH));
if ($relativePath === '' || $relativePath === '/') {
$relativePath = '/index.html';
}
$localFile = realpath($DIST_PATH . $relativePath);
// Ensure the file exists AND is inside $DIST_PATH
if ($localFile && is_file($localFile) && str_starts_with($localFile, realpath($DIST_PATH))) {
// Set MIME type manually for common extensions
$ext = pathinfo($localFile, PATHINFO_EXTENSION);
switch (strtolower($ext)) {
case 'js':
$mimeType = 'application/javascript';
break;
case 'css':
$mimeType = 'text/css';
break;
case 'html':
case 'htm':
$mimeType = 'text/html';
break;
case 'json':
$mimeType = 'application/json';
break;
case 'wasm':
$mimeType = 'application/wasm';
break;
default:
$mimeType = mime_content_type($localFile) ?: 'application/octet-stream';
}
header("Content-Type: $mimeType");
header("Cross-Origin-Opener-Policy: same-origin");
header("Cross-Origin-Embedder-Policy: require-corp");
readfile($localFile);
exit;
}
// SPA fallback only for HTML requests
if (str_ends_with($uri, '/') || preg_match('/\.html$/', $uri)) {
$indexFile = $DIST_PATH . '/index.html';
if (is_file($indexFile)) {
header("Content-Type: text/html");
header("Cross-Origin-Opener-Policy: same-origin");
header("Cross-Origin-Embedder-Policy: require-corp");
readfile($indexFile);
exit;
}
}
}
// 404 fallback
http_response_code(404);
echo "Not Found";
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