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<?php
class PathTool
{
public static function getAbsolutePath($root, $path)
{
if ( $path{-1} != '/' )
$path .= '/';
$newPath = $this->getAbsoluteFile($root, $path);
return $newPath;
}
public static function getAbsoluteFile($root, $path)
{
if ( $path{0} != '/' )
$path = $root . '/' . $path;
$newPath = $this->clean($path);
return $newPath;
}
public static function hasSymbolLink($path)
{
if ( $path != realpath($path) )
return true;
else
return false;
}
public static function clean($path)
{
do {
$newS1 = $path;
$newS = str_replace('//', '/', $path);
$path = $newS;
} while ( $newS != $newS1 );
do {
$newS1 = $path;
$newS = str_replace('/./', '/', $path);
$path = $newS;
} while ( $newS != $newS1 );
do {
$newS1 = $path;
$newS = preg_replace('/\/[^\/^\.]+\/\.\.\//', '/', $path);
$path = $newS;
} while ( $newS != $newS1 );
return $path;
}
public static function createFile($path, &$err, $htmlname)
{
if ( file_exists($path) )
{
if ( is_file($path) )
{
$err = 'Already exists '.$path;
return false;
}
else
{
$err = 'name conflicting with an existing directory '.$path;
return false;
}
}
$dirmode = 0700; // default
$filemode = 0600;
$specials = ['userDB:location', 'groupDB:location'];
if (in_array($htmlname, $specials) && strpos($path, '/lsws/conf/') !== false) {
$dirmode = 0755; // conf dir will be group protected
$filemode = 0644;
}
$dir = substr($path, 0, (strrpos($path, '/')));
if ( PathTool::createDir($dir, $dirmode, $err) )
{
if ( touch($path) )
{
chmod($path, $filemode);
//populate vhconf tags
$type = 'vh';
if ($htmlname == 'templateFile')
$type = 'tp';
$newconf = new ConfData($type, $path, 'newconf');
$config = new ConfigFile();
$res = $config->save($newconf);
if ( !$res )
{
$err = 'failed to save to file ' . $path;
return false;
}
return true;
}
else
$err = 'failed to create file '. $path;
}
return false;
}
public static function createDir($path, $mode, &$err)
{
if ( file_exists($path) )
{
if ( is_dir($path) )
return true;
else
{
$err = "$path is not a directory";
return false;
}
}
$parent = substr($path, 0, (strrpos($path, '/')));
if ( strlen($parent) <= 1 )
{
$err = "invalid path: $path";
return false;
}
if ( !file_exists($parent)
&& !PathTool::createDir($parent, $mode, $err) )
return false;
if ( mkdir($path, $mode) )
return true;
else
{
$err = "fail to create directory $path";
return false;
}
}
public static function isDenied($path)
{
$absname = realpath($path);
if ( strncmp( $absname, '/etc/', 5 ) == 0 )
return true;
else
return false;
}
}