public function __construct($module_name)
{
$this->_module_name = trim($module_name);
$this->_mod = \cms_utils::get_module($module_name);
if (!$this->_mod) {
throw new \RuntimeException(cgex_lang('err_modulenotfound', $module_name));
}
$dir = $this->_mod->GetModulePath();
$this->_c1dat = $dir . '/_c1.dat';
$this->_d1dat = $dir . '/_d1.dat';
if (!is_writable($dir)) {
throw new \RuntimeException(cgex_lang('err_vrfy_dirwritable', $module_name));
}
if (is_file($this->_c1dat) && !is_writable($this->_c1dat)) {
throw new \RuntimeException(cgex_lang('err_vrfy_filewritable', $this->_c1dat));
}
if (is_file($this->_d1dat) && !is_writable($this->_d1dat)) {
throw new \RuntimeException(cgex_lang('err_vrfy_filewritable', $this->_d1dat));
}
}
protected final function get_checksum_value($filename)
{
if (!is_file($filename)) {
throw new \LogicException(cgex_lang('err_vrfy_filenotfound', $filename));
}
$dir = $this->_mod->GetModulePath();
if (!startswith($filename, $dir)) {
throw new \LogicException(cgex_lang('err_vrfy_rootpath', $filename));
}
$salt = $this->get_salt();
$md5 = md5_file($filename);
$inp = "{$salt}::{$md5}\n";
$val = md5($inp);
return $val;
}
public function check_module_integrity()
{
if (!is_file($this->_cdat) || !is_file($this->_ddat)) {
throw new \cg_notfoundexception(cgex_lang('err_vrfy_nochecksumdata', $this->_module_name));
}
// now validate the _c.dat with the _d.dat
$this->check_checksum_integrity();
if ($this->get_verify_code() != $this->get_signature()) {
return FALSE;
}
return TRUE;
}
public static function load($id)
{
$id = (int) $id;
$list = self::load_all();
if (isset($list[$id])) {
return $list[$id];
}
throw new \RuntimeException(cgex_lang('error_itemnotfound'));
}