CUpdateSystem::UpdateUpdate

static function UpdateUpdate(&$strError, $lang = false, $stableVersionsOnly = "Y")
{
	$strError_tmp = "";

	CUpdateSystem::AddMessage2Log("exec CUpdateSystem::UpdateUpdate");

	if ($lang===false)
		$lang = LANGUAGE_ID;

	$stableVersionsOnly = (($stableVersionsOnly == "N") ? "N" : "Y");

	$GLOBALS["DB"]->GetVersion();

	$strVars = "LICENSE_KEY=".urlencode(md5(CUpdateSystem::GetLicenseKey())).
		"&CLIENT_SITE=".urlencode($_SERVER["SERVER_NAME"]).
		"&CANGZIP=".urlencode((CUpdateSystem::IsGzipInstalled()) ? "Y" : "N").
		"&UTYPES=".urlencode("U").
		"&SUPD_STS=".urlencode(CUpdateSystem::GetFooPath("GetList")).
		"&COUNT_ONLY=".urlencode("F").
		"&SUPD_VER=".urlencode(UPDATE_SYSTEM_VERSION).
		"&SUPD_DBS=".urlencode($GLOBALS["DB"]->type).
		"&XE=".urlencode((isset($GLOBALS["DB"]->XE) && $GLOBALS["DB"]->XE) ? "Y" : "N").
		"&CLIENT_PHPVER=".urlencode(phpversion()).
		"&stable=".urlencode($stableVersionsOnly).
		"&lang=".urlencode($lang);

	CUpdateSystem::AddMessage2Log(preg_replace("/LICENSE_KEY=[^&]*/i", "LICENSE_KEY=X", $strVars));

	$fcontent = CUpdateSystem::getHTTPPage("bit_sysserver.php", $strVars, $strError_tmp);

	if ($fcontent == '')
		$strError_tmp .= "[UUU01] ".GetMessage("SUPP_AS_EMPTY_RESP").".
";

	if ($strError_tmp == '')
	{
		if (!($fp1 = fopen($_SERVER["DOCUMENT_ROOT"]."/bitrix/updates/update_archive.gz", "wb")))
			$strError_tmp .= "[UUU02] ".str_replace("#FILE#", $_SERVER["DOCUMENT_ROOT"]."/bitrix/updates", GetMessage("SUPP_RV_ER_TEMP_FILE")).".
";
	}

	if ($strError_tmp == '')
	{
		if (!fwrite($fp1, $fcontent))
			$strError_tmp .= "[UUU03] ".str_replace("#FILE#", $_SERVER["DOCUMENT_ROOT"]."/bitrix/updates/update_archive.gz", GetMessage("SUPP_RV_WRT_TEMP_FILE")).".
";

		@fclose($fp1);
	}

	if ($strError_tmp == '')
	{
		$temporary_updates_dir = "";
		if (!CUpdateSystem::UnGzipArchive($temporary_updates_dir, $strError_tmp, "Y"))
			$strError_tmp .= "[UUU04] ".GetMessage("SUPP_UU_BREAK").".
";
	}

	if ($strError_tmp == '')
	{
		$updates_dir_full = $_SERVER["DOCUMENT_ROOT"]."/bitrix/updates/".$temporary_updates_dir;
		if (!file_exists($updates_dir_full."/update_info.xml") || !is_file($updates_dir_full."/update_info.xml"))
			$strError_tmp .= "[UUU05] ".str_replace("#FILE#", $updates_dir_full."/update_info.xml", GetMessage("SUPP_RV_ER_DESCR_FILE")).".
";
	}

	if ($strError_tmp == '')
	{
		if (!is_readable($updates_dir_full."/update_info.xml"))
			$strError_tmp .= "[URV06] ".str_replace("#FILE#", $updates_dir_full."/update_info.xml", GetMessage("SUPP_RV_READ_DESCR_FILE")).".
";
	}

	if ($strError_tmp == '')
	{
		$content = file_get_contents($updates_dir_full."/update_info.xml");
	}

	if ($strError_tmp == '')
	{
		$arRes = Array();
		CUpdateSystem::ParseServerData($content, $arRes, $strError_tmp);
	}

	if ($strError_tmp == '')
	{
		if (isset($arRes["DATA"]["#"]["ERROR"])
			&& is_array($arRes["DATA"]["#"]["ERROR"])
			&& !empty($arRes["DATA"]["#"]["ERROR"]))
		{
			for ($i = 0, $n = count($arRes["DATA"]["#"]["ERROR"]); $i < $n; $i++)
			{
				if ($arRes["DATA"]["#"]["ERROR"][$i]["@"]["TYPE"] <> '')
					$strError_tmp .= "[".$arRes["DATA"]["#"]["ERROR"][$i]["@"]["TYPE"]."] ";

				$strError_tmp .= $arRes["DATA"]["#"]["ERROR"][$i]["#"].".
";
			}
		}
	}

	if ($strError_tmp == '')
	{
		$aFiles = array(
			//"UUU071"=>"update_update.php",
			"UUU072"=>"update_class.php",
			"UUU073"=>"update_list.php",
			//"UUU074"=>"update_update5.php",
			"UUU075"=>"update_log.php",
		);
		foreach($aFiles as $err=>$file)
			if(!file_exists($updates_dir_full."/main/classes/general/".$file) || !is_file($updates_dir_full."/main/classes/general/".$file))
				$strError_tmp .= "[".$err."] ".str_replace("#FILE#", $file, GetMessage("SUPP_UU_NO_UFILE")).".
";
	}

	if ($strError_tmp == '')
	{
		if (!CUpdateSystem::CheckUpdatability($temporary_updates_dir, $strError_tmp))
		{
			$strError_tmp .= "[UUU08] ".GetMessage("SUPP_UU_LOAD_BREAK").".
";
		}
	}

	if ($strError_tmp == '')
	{
		$new_updatesys_version = "";
		if (isset($arRes["DATA"]["#"]["UPDATE_SYSTEM"])
			&& is_array($arRes["DATA"]["#"]["UPDATE_SYSTEM"])
			&& !empty($arRes["DATA"]["#"]["UPDATE_SYSTEM"])
			&& isset($arRes["DATA"]["#"]["UPDATE_SYSTEM"][0]["@"]["VERSION"]))
		{
			$new_updatesys_version = trim($arRes["DATA"]["#"]["UPDATE_SYSTEM"][0]["@"]["VERSION"]);
		}

		if ($new_updatesys_version == '')
			$strError_tmp .= "[UUU080] ".GetMessage("SUPP_UU_NO_NEW_VER").".
";
	}

	if ($strError_tmp == '')
	{
		CUpdateSystem::CopyDirFiles($updates_dir_full."/main", $_SERVER["DOCUMENT_ROOT"]."/bitrix/modules/main", $strError_tmp);
	}

	if ($strError_tmp == '')
	{
		CUpdateSystem::AddMessage2Log("Update updated successfully!", "CUUU");
		CUpdateSystem::DeleteDirFilesEx($updates_dir_full);
	}

	if ($strError_tmp <> '')
	{
		CUpdateSystem::AddMessage2Log($strError_tmp, "CUUU");
		$strError .= $strError_tmp;
		return false;
	}
	else
		return true;
}