CAdvBanner_all::CheckFile

static function CheckFile($arFile, $iMaxSize=0, $iMaxWidth=0, $iMaxHeight=0, $access_typies=array(), $bForceMD5=false, $bSkipExt=false)
{
	if ($arFile["name"] == "")
	{
		return "";
	}

	if (preg_match("#^php://filter#i", $arFile["tmp_name"]))
	{
		return GetMessage("FILE_BAD_FILE_TYPE").".
";
	}

	$extension = GetFileExtension(mb_strtolower($arFile["name"]));
	switch ($extension)
	{
		case "jpg": case "jpeg": case "gif": case "bmp": case "png":	$file_type = "IMAGE"; break;
		case "swf":	$file_type = "FLASH"; break;
		case "mp4": case "webm": case "ogg": $file_type = "VIDEO"; break;
		default: $file_type = "UNKNOWN";
	}

	// IMAGE by default
	$flashEnabled = false;
	if(!in_array($file_type, $access_typies))
	{
		$file_type = "IMAGE";
	}

	if ($file_type == "FLASH")
	{
		$flashEnabled = true;
		static $flashMime = array("application/x-shockwave-flash", "application/vnd.adobe.flash.movie");
		$res = CFile::CheckFile($arFile, $iMaxSize, $flashMime, CFile::GetFlashExtensions(), $bForceMD5, $bSkipExt);
	}
	else if ($file_type == "VIDEO")
	{
		$res = CFile::CheckFile($arFile, $iMaxSize, "video/", "mp4,webm,ogg", $bForceMD5, $bSkipExt);
	}
	else
	{
		$res = CFile::CheckFile($arFile, $iMaxSize, "image/", CFile::GetImageExtensions(), $bForceMD5, $bSkipExt);
	}

	if($res <> '')
	{
		return $res;
	}

	if ($file_type == 'IMAGE' || $file_type == "FLASH")
	{
		$imgArray = CFile::GetImageSize($arFile["tmp_name"], true, $flashEnabled);
		if(is_array($imgArray))
		{
			$intWIDTH = $imgArray[0];
			$intHEIGHT = $imgArray[1];
		}
		else
		{
			return GetMessage("FILE_BAD_FILE_TYPE").".
";
		}
		//check for dimensions
		if($iMaxWidth > 0 && ($intWIDTH > $iMaxWidth || $intWIDTH == 0) || $iMaxHeight > 0 && ($intHEIGHT > $iMaxHeight || $intHEIGHT == 0))
		{
			return GetMessage("FILE_BAD_MAX_RESOLUTION")." (".$iMaxWidth." * ".$iMaxHeight." ".GetMessage("main_include_dots").").
";
		}
	}

	return null;
}