function api_decode()
{
$this->app_check("post");
$_arr_code = validateStr(fn_post("code"), 1, 0);
switch ($_arr_code["status"]) {
case "too_short":
$_arr_return = array("alert" => "x050223");
$this->obj_api->halt_re($_arr_return);
break;
case "ok":
$_str_code = $_arr_code["str"];
break;
}
$_arr_sign = array("act_post" => $GLOBALS["act_post"], "code" => $_str_code);
if (!$this->obj_sign->sign_check(array_merge($this->appRequest, $_arr_sign), $this->appRequest["signature"])) {
$_arr_return = array("alert" => "x050403");
$this->obj_api->halt_re($_arr_return);
}
$_str_result = $this->obj_crypt->decrypt($_str_code, $this->appRow["app_key"]);
exit($_str_result);
}