CWebDavIblock::getHistoryFileData

public function getHistoryFileData($id, $wfId, &$params)
{
	$fullpath = '';
	$options = $arFile = $arr = array();
	$io = self::GetIo();
	$arFilter = array(
		"IBLOCK_ID" => (isset($this->arParams['element_array']['ID']) && $this->arParams['element_array']['ID'] == $id)? $this->arParams['element_array']['IBLOCK_ID'] : $this->IBLOCK_ID,
		"ID" => $id,
		"SHOW_HISTORY" => "Y",
		"CHECK_PERMISSIONS" => "Y"
	);
	if ($this->permission < "U")
	{
		$arFilter["SHOW_HISTORY"] = "N";
	}
	if (($this->workflow == 'bizproc' || $this->workflow == 'bizproc_limited') && $wfId > 0)
	{
		$history = new CBPHistoryService();
		$db_res  = $history->GetHistoryList(array("ID" => "DESC"),
			array(
				"DOCUMENT_ID" => array(
					$this->wfParams['DOCUMENT_TYPE'][0],
					$this->wfParams['DOCUMENT_TYPE'][1],
					$id
				),
				"ID" => $wfId
			), false, false, array("ID", "DOCUMENT", "NAME"));
		if ($db_res && $arr = $db_res->Fetch())
		{
			$arFile      = array(
				"SRC" => $arr["DOCUMENT"]["PROPERTIES"][$this->file_prop]["VALUE"],
				"NAME" => $arr["DOCUMENT"]["NAME"]
			);
			$arr["NAME"] = $arr["DOCUMENT"]["NAME"];

			$fullpath = urldecode($arFile["SRC"]);
			if (mb_substr($fullpath, 0, 4) != "http")
			{
				$fullpath = $io->GetPhysicalName($_SERVER['DOCUMENT_ROOT'] . $arFile["SRC"]);
			}
			else
			{
				$fullpath = CWebDavTools::urlEncode($fullpath);
			}
			$arTmpFile = CFile::MakeFileArray($fullpath);
			$fullpath = $arTmpFile['tmp_name'];
			$arFile["FILE_SIZE"] = $arTmpFile["size"];
		}
	}
	else
	{
		$arFilter['CHECK_PERMISSIONS'] = 'N'; //check permissions manual! While infoblock perm's check by every section's (in dropped - we have error).
		$rs = CIBlockElement::GetList(array(), $arFilter, false, array("nTopCount" => 1), array(
			"ID",
			"NAME",
			"TIMESTAMP_X",
			"IBLOCK_ID",
			"PROPERTY_" . $this->file_prop
		));
		if ($rs && $arr = $rs->Fetch())
		{
			if (empty($this->arParams["element_array"]))
				$this->arParams["element_array"] = $arr;
			$arFile                = CFile::GetFileArray($arr["PROPERTY_FILE_VALUE"]);
			$options["from_cloud"] = (intval($arFile['HANDLER_ID']) > 0 ? "Y" : "N");
			$arTmpFile             = array();
			if (CFile::IsImage($arFile["FILE_NAME"], $arFile["CONTENT_TYPE"]))
			{
				if ($params["width"] > 0 || $params["height"] > 0)
				{
					$arTmpFile = CFile::ResizeImageGet($arFile, array(
						"width" => $params["width"],
						"height" => $params["height"]
					), ($params["exact"] == "Y" ? BX_RESIZE_IMAGE_EXACT : BX_RESIZE_IMAGE_PROPORTIONAL), true, false, true);

					$arTmpFile['tmp_name'] = ($options["from_cloud"] == "Y" ? "" : $_SERVER["DOCUMENT_ROOT"]) . $arTmpFile["src"];
					$options["resized"]    = "Y";
					$arFile["FILE_SIZE"]   = $arTmpFile["size"];
					$arFile["SRC"]         = $arTmpFile["src"];
				}
				if ($params["cache_image"] == "Y")
				{
					$options["cache_time"] = 86400;
				}
			}
			else
			{
				$params["cache_image"] = "N";
			}
			if (empty($arTmpFile))
			{
				$arTmpFile = CFile::MakeFileArray($arr["PROPERTY_FILE_VALUE"]);
			}
			$fullpath = $arTmpFile['tmp_name'];
		}
	}
	$elementName = $arr['NAME'];

	return array($arFile, $options, $fullpath, $elementName);
}