%PDF-
%PDF-
Mini Shell
Mini Shell
<?
class CFileCacheCleaner
{
private $_CacheType;
private $_arPath;
private $_CurrentBase;
private $_CurrentPath;
private $_obFileTree;
function __construct($CacheType)
{
global $DB;
$this->_CacheType = $CacheType;
switch($this->_CacheType)
{
case "menu":
$this->_arPath = array(
BX_PERSONAL_ROOT.'/managed_cache/'.$DB->type.'/menu/',
);
break;
case "managed":
$this->_arPath = array(
BX_PERSONAL_ROOT.'/managed_cache/',
BX_PERSONAL_ROOT.'/stack_cache/',
);
break;
case "html":
$this->_arPath = array(
BX_PERSONAL_ROOT.'/html_pages/',
);
break;
case "expired":
$this->_arPath = array(
BX_PERSONAL_ROOT.'/cache/',
BX_PERSONAL_ROOT.'/managed_cache/',
BX_PERSONAL_ROOT.'/stack_cache/',
);
break;
default:
$this->_arPath = array(
BX_PERSONAL_ROOT.'/cache/',
BX_PERSONAL_ROOT.'/managed_cache/',
BX_PERSONAL_ROOT.'/stack_cache/',
BX_PERSONAL_ROOT.'/html_pages/',
);
break;
}
}
function InitPath($PathToCheck)
{
if(strlen($PathToCheck) > 0)
{
$PathToCheck = preg_replace("#[\\\\\\/]+#", "/", "/".$PathToCheck);
//Check if path does not contain any injection
if(preg_match('#/\\.\\.#', $PathToCheck) || preg_match('#\\.\\./#', $PathToCheck))
return false;
$base = "";
foreach($this->_arPath as $path)
{
if(preg_match('#^'.$path.'#', $PathToCheck))
{
$base = $path;
break;
}
}
if(strlen($base))
{
$this->_CurrentBase = $base;
$this->_CurrentPath = substr($PathToCheck, strlen($base));
return true;
}
else
{
return false;
}
}
else
{
$this->_CurrentBase = $this->_arPath[0];
$this->_CurrentPath = "";
return true;
}
}
function Start()
{
if($this->_CurrentBase)
{
$this->_obFileTree = new _CFileTree($_SERVER["DOCUMENT_ROOT"].$this->_CurrentBase);
$this->_obFileTree->Start($this->_CurrentPath);
}
}
function GetNextFile()
{
if(is_object($this->_obFileTree))
{
$file = $this->_obFileTree->GetNextFile();
//Check if current cache subdirectory cleaned
if($file === false)
{
//Skip all checked bases
$arPath = $this->_arPath;
while(count($arPath) > 0)
{
$CurBase = array_shift($arPath);
if($CurBase == $this->_CurrentBase)
break;
}
//There is at least one cache directory not checked yet
//so try to find a file inside
while(count($arPath) > 0)
{
$this->_CurrentBase = array_shift($arPath);
$this->_CurrentPath = "";
$this->_obFileTree = new _CFileTree($_SERVER["DOCUMENT_ROOT"].$this->_CurrentBase);
$this->_obFileTree->Start($this->_CurrentPath);
$file = $this->_obFileTree->GetNextFile();
if($file !== false)
return $file;
}
return false;
}
return $file;
}
else
{
return false;
}
}
function GetFileExpiration($FileName)
{
if(preg_match('#^'.$_SERVER["DOCUMENT_ROOT"].BX_PERSONAL_ROOT.'/html_pages/.*\\.html$#', $FileName))
{
return 1;//like an very old file
}
elseif(preg_match('#\\.~\\d+/#', $FileName)) //delayed delete files
{
return 1;//like an very old file
}
elseif(substr($FileName, -4) == ".php")
{
$fd = fopen($FileName, "rb");
if($fd)
{
$header = fread($fd, 150);
fclose($fd);
if(preg_match("/dateexpire\s*=\s*'([\d]+)'/im", $header, $match))
return doubleval($match[1]);
}
}
elseif(substr($FileName, -5) == ".html")
{
$fd = fopen($FileName, "rb");
if($fd)
{
$header = fread($fd, 26);
fclose($fd);
if(substr($header, 0, 2) == "BX")
return doubleval(substr($header, 14, 12));
}
}
return false;
}
}
class _CFileTree
{
var $_in_path = '/';
var $_path = '';
var $_dir = false;
function __construct($in_path="/")
{
$this->_in_path = preg_replace("#[\\\\\\/]+#", "/", $in_path);
}
function Start($path="/")
{
$this->_path = preg_replace("#[\\\\\\/]+#", "/", $this->_in_path.trim($path, "/"));
if(!$this->FileExists($this->_path) || is_file($this->_path))
{
$last = self::ExtractFileFromPath($this->_path);
$this->_dir = $this->ReadDir($this->_path);
if(is_array($this->_dir))
{
while(count($this->_dir))
{
if(strcmp($this->_dir[0], $last) > 0)
break;
array_shift($this->_dir);
}
}
}
}
function FileExists($file)
{
if(function_exists('accelerator_reset'))
{
if(is_dir($file))
return true;
$fd = @fopen($file, "rb");
if($fd)
{
fclose($fd);
return true;
}
else
{
return false;
}
}
else
{
return file_exists($file);
}
}
function GetNextFile()
{
if(!is_array($this->_dir))
{
$this->_dir = $this->ReadDir($this->_path);
if(!is_array($this->_dir))
return false;
}
$next = each($this->_dir);
if($next === false)
{
//try to go up dir tree
if($this->GoUp())
return $this->GetNextFile();
else
return false;
}
elseif(is_file($next["value"]))
{
//it's our target
return $next["value"];
}
else
{
//it's dir or link try to go deeper
$this->_path = $next["value"];
$this->_dir = false;
return true;
}
}
public static function ExtractFileFromPath(&$path)
{
$arPath = explode("/", $path);
$last = array_pop($arPath);
$path = implode("/", $arPath);
return $path."/".$last;
}
function GoUp()
{
$last_dir = self::ExtractFileFromPath($this->_path);
//We are not going to go up any more
if(strlen($this->_path."/") < strlen($this->_in_path))
return false;
$this->_dir = $this->ReadDir($this->_path);
//This should't be happen so try to goup one more level
if(!is_array($this->_dir))
return $this->GoUp();
//Skip all dirs till current
while(count($this->_dir))
{
if(strcmp($this->_dir[0], $last_dir) > 0)
break;
array_shift($this->_dir);
}
if(count($this->_dir))
return true; //there is more work to do
else
return $this->GoUp(); // try to go upper
}
function ReadDir($dir)
{
$dir = rtrim($dir, "/");
if(is_dir($dir))
{
$dh = opendir($dir);
if($dh)
{
$result = array();
while(($f = readdir($dh)) !== false)
{
if($f == "." || $f == "..")
continue;
$result[] = $dir."/".$f;
}
closedir($dh);
sort($result);
//try to delete an empty directory
if(count($result) == 0)
@rmdir($dir);
return $result;
}
}
return false;
}
}
?>
Zerion Mini Shell 1.0