$filename = urldecode($_SERVER["DOCUMENT_ROOT"] . $DIR . "/files/" . $file);
$bRealyImage = False;
$arFilePathInfo = pathinfo($filename);
if (in_array($arFilePathInfo["extension"], $arImageExts)) {
$bRealyImage = True;
}
if (file_exists($filename)) {
include_once dirname(__FILE__) . "/init_vars.php";
require_once $_SERVER["DOCUMENT_ROOT"] . "/bitrix/modules/main/include/prolog_before.php";
if (CModule::IncludeModule("sale")) {
$bCanAccess = False;
if ($USER->IsAuthorized()) {
$FILE_PERM = $APPLICATION->GetFileAccessPermission($DIR . "/files/" . $file, $USER->GetUserGroupArray());
$FILE_PERM = strlen($FILE_PERM) > 0 ? $FILE_PERM : "D";
if ($FILE_PERM >= "R") {
if (CSaleAuxiliary::CheckAccess($USER->GetID(), $mp3AuxiliaryPrefix . $file, $mp3AccessTimeLength, $mp3AccessTimeType)) {
$bCanAccess = True;
}
}
}
if (!$bCanAccess) {
LocalRedirect($mp3Url2Folder . "auth.php?fname=" . urlencode($file) . "&DIR=" . urlencode($DIR));
} else {
$filesize = filesize($filename);
$f = fopen($filename, "rb");
$cur_pos = 0;
$size = $filesize - 1;
if ($bRealyImage) {
$imageParams = CFile::GetImageSize($filename);
}
if ($_SERVER["REQUEST_METHOD"] == "HEAD") {