Your IP : 216.73.216.86
<?php
class CFileCacheCleaner
{
private $cacheType;
private $path;
private $currentBase;
private $currentPath;
private $fileTree;
private $rootDir;
public function __construct($cacheType, $rootDir = null)
{
global $DB;
$this->cacheType = $cacheType;
$this->rootDir = $rootDir ?? $_SERVER["DOCUMENT_ROOT"];
switch ($this->cacheType)
{
case "menu":
$this->path = [
BX_PERSONAL_ROOT . '/managed_cache/' . $DB->type . '/menu/',
];
break;
case "managed":
$this->path = [
BX_PERSONAL_ROOT . '/managed_cache/',
BX_PERSONAL_ROOT . '/stack_cache/',
];
break;
case "html":
$this->path = [
BX_PERSONAL_ROOT . '/html_pages/',
];
break;
case "expired":
$this->path = [
BX_PERSONAL_ROOT . '/cache/',
BX_PERSONAL_ROOT . '/managed_cache/',
BX_PERSONAL_ROOT . '/stack_cache/',
];
break;
default:
$this->path = [
BX_PERSONAL_ROOT . '/cache/',
BX_PERSONAL_ROOT . '/managed_cache/',
BX_PERSONAL_ROOT . '/stack_cache/',
BX_PERSONAL_ROOT . '/html_pages/',
];
break;
}
}
public function InitPath($pathToCheck)
{
if ($pathToCheck <> '')
{
$pathToCheck = preg_replace("#[\\\\/]+#", "/", "/" . $pathToCheck);
//Check if path does not contain any injection
if (preg_match('#/\\.\\.#', $pathToCheck) || preg_match('#\\.\\./#', $pathToCheck))
{
return false;
}
$base = "";
foreach ($this->path as $path)
{
if (preg_match('#^' . $path . '#', $pathToCheck))
{
$base = $path;
break;
}
}
if ($base <> '')
{
$this->currentBase = $base;
$this->currentPath = mb_substr($pathToCheck, mb_strlen($base));
return true;
}
return false;
}
else
{
$this->currentBase = $this->path[0];
$this->currentPath = "";
return true;
}
}
public function Start()
{
if ($this->currentBase)
{
$this->fileTree = new CFileTree($this->rootDir . $this->currentBase);
$this->fileTree->Start($this->currentPath);
}
}
public function GetNextFile()
{
if (is_object($this->fileTree))
{
$file = $this->fileTree->GetNextFile();
//Check if current cache subdirectory cleaned
if ($file === false)
{
//Skip all checked bases
$arPath = $this->path;
while (!empty($arPath))
{
$CurBase = array_shift($arPath);
if ($CurBase == $this->currentBase)
{
break;
}
}
//There is at least one cache directory not checked yet
//so try to find a file inside
while (!empty($arPath))
{
$this->currentBase = array_shift($arPath);
$this->currentPath = "";
$this->fileTree = new CFileTree($this->rootDir . $this->currentBase);
$this->fileTree->Start($this->currentPath);
$file = $this->fileTree->GetNextFile();
if ($file !== false)
{
return $file;
}
}
return false;
}
return $file;
}
else
{
return false;
}
}
public function GetFileExpiration($fileName)
{
if (preg_match('#^' . $this->rootDir . BX_PERSONAL_ROOT . '/html_pages/.*\\.html$#', $fileName))
{
return 1; // like a very old file
}
elseif (preg_match('#\\.~\\d+/#', $fileName)) //delayed delete files
{
return 1; // like a very old file
}
elseif (str_ends_with($fileName, ".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 (str_ends_with($fileName, ".html"))
{
$fd = fopen($fileName, "rb");
if ($fd)
{
$header = fread($fd, 26);
fclose($fd);
if (str_starts_with($header, "BX"))
{
return doubleval(mb_substr($header, 14, 12));
}
}
}
return false;
}
}