谁有整站的PHP程序？能浏览源代码的。

<?php
$home = "/home";
if (isset($exit)) { unset($edit); unset($upload); }
if (empty($pwd)) $pwd = "/";
if ($action == "upload") exec("cp $userfile $home$pwd$userfile_name");
$file = $home.$pwd.$fn;
function read_file($file) {
if (!($fp = fopen($file, 'r' ))) return false;
$contents = fread($fp, filesize($file));
fclose($fp);
return $contents;
}

function write_file($file, $contents) {
if ($fp = fopen($file, "w")) {
fputs($fp, $contents, strlen($contents));
fclose($fp);
return 1;
} else {
return 0;
}
}
//-------------------------------------------------------------------------------------------------
if ($copy) {
if ($action == "copy") {
exec("