%PDF- %PDF-
Direktori : /home/bitrix/www/bitrix/modules/main/classes/general/ |
Current File : /home/bitrix/www/bitrix/modules/main/classes/general/file_temp.php |
<? class CTempFile { private static $arFiles = array(); public static function GetAbsoluteRoot() { $io = CBXVirtualIo::GetInstance(); if(defined('BX_TEMPORARY_FILES_DIRECTORY')) { return rtrim(BX_TEMPORARY_FILES_DIRECTORY, '/'); } else { 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); $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 { $subdir = implode("/", (is_array($subdir) ? $subdir : array($subdir, bitrix_sessid())))."/"; while (strpos($subdir, "//") !== false) $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(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 $dir_name = self::GetAbsoluteRoot()."/"; if (file_exists($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($path) { if(strlen($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; } } ?>