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<?
class CTempFile
{
private static $arFiles = array();
public static function GetAbsoluteRoot()
{
if(defined('BX_TEMPORARY_FILES_DIRECTORY'))
return BX_TEMPORARY_FILES_DIRECTORY;
else
return $_SERVER["DOCUMENT_ROOT"]."/".(COption::GetOptionString("main", "upload_dir", "upload"))."/tmp";
}
public static function GetFileName($file_name = '')
{
$dir_name = self::GetAbsoluteRoot();
$i = 0;
while(true)
{
$i++;
if($file_name == '')
$dir_add = md5(mt_rand());
elseif($i < 25)
$dir_add = substr(md5(mt_rand()), 0, 3);
else
$dir_add = md5(mt_rand());
$temp_path = $dir_name."/".$dir_add."/".$file_name;
if(!file_exists($temp_path))
{
//Delayed unlink
if(empty(self::$arFiles))
register_shutdown_function(array('CTempFile', 'Cleanup'));
self::$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('');
if($subdir === "")
{
$dir_name = self::GetAbsoluteRoot().'/BXTEMP-'.date('Y-m-d/H/', time()+3600*$hours_to_keep_files);
$i = 0;
while(true)
{
$i++;
$dir_add = md5(mt_rand());
$temp_path = $dir_name.$dir_add."/";
if(!file_exists($temp_path))
break;
}
}
else //Fixed name during the session
{
$bFound = false;
$sessid = bitrix_sessid();
for($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."/".$sessid."/";
if(file_exists($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."/".$sessid."/";
}
}
//Delayed unlink
if(empty(self::$arFiles))
register_shutdown_function(array('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($temp_dir);
}
//Clean whole temporary directory from CTempFile::GetFileName('');
elseif(
substr($temp_path, -1) == '/'
&& strpos($temp_path, "BXTEMP") === false
&& is_dir($temp_path)
)
{
CTempFile::_absolute_path_recursive_delete($temp_path);
}
}
}
//Clean directories with $hours_to_keep_files > 0
$dir_name = self::GetAbsoluteRoot()."/";
if($handle = opendir($dir_name))
{
while(($day_files_dir = readdir($handle)) !== false)
{
if(preg_match("/^BXTEMP-(.*?)\$/", $day_files_dir, $match) && is_dir($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);
}
}
}
}
}
closedir($handle);
}
}
private static function _absolute_path_recursive_delete($path)
{
if(strlen($path) == 0 || $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);
}
if(!@rmdir($path))
return false;
return $f;
}
return false;
}
}
?>