CWebDavFile::Undelete

function Undelete($options)
{
	$io = self::GetIo();
	$options["path"] = $io->CombinePath(static::_udecode($options["path"]));

	if(!$this->CheckRights("UNDELETE", true, $options["path"]))
	{
		$this->ThrowAccessDenied();
		return "403 Forbidden";
	}

	if (! isset($options['dest_url']))
	{
		$arParams = $this->_get_props($options['path']);
		$options["dest_url"] = $arParams["UNDELETEBX:"]['value'];
	}

	if (! isset($options['dest_url']))
		return "404 Not Found";

	$this->IsDir(array("path" => $options["dest_url"]), $this->replace_symbols);
	$options["dest_url"] = $this->_udecode($options["dest_url"]);
	$arTo = $this->arParams;

	if ($arTo["not_found"])
	{
		do {
			$this->IsDir(array('path' => rtrim($this->arParams['parent_id'], '/')));
		} while (($this->arParams["parent_id"] != '') && ($this->arParams["not_found"]));

		if ($this->arParams['not_found'])
		{
			$options['dest_url'] = $io->CombinePath("/", $arTo['base_name']);
		}
		else
		{
			$options['dest_url'] = $io->CombinePath($this->arParams["item_id"], $arTo["base_name"]);
		}
	}

	$this->IsDir($options);
	$bIsDir = ($this->arParams['is_dir']);

	if ($this->arParams["not_found"] === true)
	{
		return "404 Not Found";
	}
	else
	{
		$result = $this->MOVE($options);
		if (in_array(intval($result), array(201, 204)))   // remove the "UNDELETE" in props
		{
			if (! $bIsDir)
			{
				$options["props"] = array(array("ns"=>"BX:","name"=>"UNDELETE"));
				$options["path"] = $options["dest_url"];
				$this->PROPPATCH($options);
			}
			else
			{
				$params = $this->GetFilesAndFolders($options['dest_url']);
				if (!empty($params))
				{
					$tmpParams = $this->arParams;
					sort($params, SORT_STRING);
					foreach ($params as $file)
					{
						$localpath = str_replace(array($this->real_path_full, "///", "//"), "/", $file);
						$arUndeleteOptions = array("props" => array( array("ns"=>"BX:", "name"=>"UNDELETE") ), "path" => $localpath);
						$this->PROPPATCH($arUndeleteOptions);
					}
					$this->arParams = $tmpParams;
				}
			}
			return "204 No Content";
		}
		else
		{
			return "404 Not Found";
		}
	}
}