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<?php
use Bitrix\Main;
use Bitrix\Main\Security;
class CTempFile
{
private static $is_exit_function_registered = false;
private static $arFiles = [];
public static function GetAbsoluteRoot()
{
if (defined('BX_TEMPORARY_FILES_DIRECTORY'))
{
return rtrim(BX_TEMPORARY_FILES_DIRECTORY, '/');
}
else
{
$io = CBXVirtualIo::GetInstance();
return $io->CombinePath(
$_SERVER["DOCUMENT_ROOT"],
COption::GetOptionString("main", "upload_dir", "upload"),
"tmp"
);
}
}
public static function GetFileName($file_name = '')
{
$dir_name = self::GetAbsoluteRoot();
$file_name = rel2abs("/", "/" . $file_name);
while (true)
{
$dir_add = Security\Random::getString(32);
$temp_path = $dir_name . "/" . $dir_add . $file_name;
if (!file_exists($temp_path))
{
//Delayed unlink
if (!self::$is_exit_function_registered)
{
self::$is_exit_function_registered = true;
register_shutdown_function(['CTempFile', 'Cleanup']);
}
self::$arFiles[$temp_path] = $dir_name . "/" . $dir_add;
//Function ends only here
return $temp_path;
}
}
}
public static function GetDirectoryName($hours_to_keep_files = 0, $subdir = "")
{
if ($hours_to_keep_files <= 0)
{
return self::GetFileName();
}
$temp_path = null;
if ($subdir === "")
{
$dir_name = self::GetAbsoluteRoot() . '/BXTEMP-' . date('Y-m-d/H/', time() + 3600 * $hours_to_keep_files);
while (true)
{
$dir_add = Security\Random::getString(32);
$temp_path = $dir_name . $dir_add . "/";
if (!file_exists($temp_path))
{
break;
}
}
}
else //Fixed name during the session
{
$localStorage = Main\Application::getInstance()->getLocalSession('userSessionData');
if (!isset($localStorage['tempFileToken']))
{
$localStorage->set('tempFileToken', Security\Random::getString(32));
}
$token = $localStorage->get('tempFileToken');
$subdir = implode("/", (is_array($subdir) ? $subdir : [$subdir, $token])) . "/";
while (str_contains($subdir, "//"))
{
$subdir = str_replace("//", "/", $subdir);
}
$bFound = false;
for ($i = $hours_to_keep_files - 1; $i > 0; $i--)
{
$dir_name = self::GetAbsoluteRoot() . '/BXTEMP-' . date('Y-m-d/H/', time() + 3600 * $i);
$temp_path = $dir_name . $subdir;
if (file_exists($temp_path) && is_dir($temp_path))
{
$bFound = true;
break;
}
}
if (!$bFound)
{
$dir_name = self::GetAbsoluteRoot() . '/BXTEMP-' . date('Y-m-d/H/', time() + 3600 * $hours_to_keep_files);
$temp_path = $dir_name . $subdir;
}
}
//Delayed unlink
if (!self::$is_exit_function_registered)
{
self::$is_exit_function_registered = true;
register_shutdown_function(['CTempFile', 'Cleanup']);
}
//Function ends only here
return $temp_path;
}
//PHP shutdown cleanup
public static function Cleanup()
{
foreach (self::$arFiles as $temp_path => $temp_dir)
{
if (file_exists($temp_path))
{
//Clean a file from CTempFile::GetFileName('some.jpg');
if (is_file($temp_path))
{
unlink($temp_path);
@rmdir($temp_dir);
}
//Clean whole temporary directory from CTempFile::GetFileName('');
elseif (
str_ends_with($temp_path, '/')
&& !str_contains($temp_path, "BXTEMP")
&& is_dir($temp_path)
)
{
CTempFile::_absolute_path_recursive_delete($temp_path);
}
}
elseif (file_exists($temp_dir))
{
@rmdir($temp_dir);
}
}
//Clean directories with $hours_to_keep_files > 0
$dir_name = self::GetAbsoluteRoot() . "/";
if (file_exists($dir_name))
{
if ($handle = opendir($dir_name))
{
while (($day_files_dir = readdir($handle)) !== false)
{
if ($day_files_dir == '.' || $day_files_dir == '..')
{
continue;
}
if (preg_match("/^BXTEMP-(.*?)\$/", $day_files_dir) && is_dir($dir_name . $day_files_dir))
{
CTempFile::_process_directory($dir_name, $day_files_dir);
}
}
closedir($handle);
}
}
}
private static function _process_directory($dir_name, $day_files_dir)
{
$this_day_name = 'BXTEMP-' . date('Y-m-d');
if ($day_files_dir < $this_day_name)
{
CTempFile::_absolute_path_recursive_delete($dir_name . $day_files_dir);
}
elseif ($day_files_dir == $this_day_name)
{
if ($hour_handle = opendir($dir_name . $day_files_dir))
{
$this_hour_name = date('H');
while (($hour_files_dir = readdir($hour_handle)) !== false)
{
if ($hour_files_dir == '.' || $hour_files_dir == '..')
{
continue;
}
if ($hour_files_dir < $this_hour_name)
{
CTempFile::_absolute_path_recursive_delete($dir_name . $day_files_dir . '/' . $hour_files_dir);
}
}
}
}
}
private static function _absolute_path_recursive_delete($path)
{
if ($path == '' || $path == '/')
{
return false;
}
$f = true;
if (is_file($path) || is_link($path))
{
if (@unlink($path))
{
return true;
}
return false;
}
elseif (is_dir($path))
{
if ($handle = opendir($path))
{
while (($file = readdir($handle)) !== false)
{
if ($file == "." || $file == "..")
{
continue;
}
if (!CTempFile::_absolute_path_recursive_delete($path . "/" . $file))
{
$f = false;
}
}
closedir($handle);
}
$r = @rmdir($path);
if (!$r)
{
return false;
}
return $f;
}
return false;
}
}