public static function stream_request($method, $target_url, $cookie_string, $headers0, $user_agent)
{
$existing_headers = headers_list();
$forwarded_for = UBUtil::array_fetch($_SERVER, 'HTTP_X_FORWARDED_FOR');
$remote_ip = UBUtil::array_fetch($_SERVER, 'REMOTE_ADDR');
$headers = UBHTTP::get_proxied_for_header($headers0, $forwarded_for, $remote_ip);
UBLogger::debug_var('target_url', $target_url);
$stream_headers = UBHTTP::stream_headers_function($existing_headers);
$stream_body = UBHTTP::stream_response_function();
$curl = curl_init();
// http://php.net/manual/en/function.curl-setopt.php
$curl_options = array(CURLOPT_URL => $target_url, CURLOPT_POST => $method == "POST", CURLOPT_CUSTOMREQUEST => $method, CURLOPT_USERAGENT => $user_agent, CURLOPT_COOKIE => $cookie_string, CURLOPT_HTTPHEADER => $headers, CURLOPT_HEADERFUNCTION => $stream_headers, CURLOPT_WRITEFUNCTION => $stream_body, CURLOPT_FOLLOWLOCATION => false, CURLOPT_TIMEOUT => 30);
if ($method == "POST") {
// Use raw post body to allow the same post key to occur more than once
$curl_options[CURLOPT_POSTFIELDS] = file_get_contents('php://input');
}
curl_setopt_array($curl, $curl_options);
$resp = curl_exec($curl);
if (!$resp) {
$message = 'Error proxying to "' . $target_url . ", " . '": "' . curl_error($curl) . '" - Code: ' . curl_errno($curl);
UBLogger::warning($message);
http_response_code(500);
$result = array(false, $message);
} else {
$result = array(true, null);
}
curl_close($curl);
return $result;
}