/**
 * GBK转UTF8
 * $content array||string 需要转换的内容.
 * $is_stripslashes bol 是否启用uc_stripslashes方法
 * $old_charset string 转之前字符集
 * $new_charset string 转之后字符集
 * $is_enforce bol 是否强制转换.如false则先判断本地字符集是否与uc相等
 */
function hg_gbktoutf8($content, $is_stripslashes = false, $old_charset = 'gbk', $new_charset = 'utf-8', $is_enforce = false)
{
    if (strcasecmp(UC_CHARSET, $old_charset) == 0 || $is_enforce) {
        if ($content && !is_array($content)) {
            $content = $is_stripslashes ? uc_stripslashes($content) : $content;
            $content = iconv($old_charset, $new_charset . "//IGNORE", $content);
        } elseif (is_array($content)) {
            foreach ($content as $k => $v) {
                $content[$k] = hg_utf8togbk($v, $is_stripslashes, $old_charset, $new_charset, $is_enforce);
            }
        }
    }
    return $content;
}

function uc_api_post($module, $action, $arg = array())
{
    $s = $sep = '';
    foreach ($arg as $k => $v) {
        if (is_array($v)) {
            $s2 = $sep2 = '';
            foreach ($v as $k2 => $v2) {
                $s2 .= "{$sep2}{$k}[{$k2}]=" . urlencode(uc_stripslashes($v2));
                $sep2 = '&';
            }
            $s .= $sep . $s2;
        } else {
            $s .= "{$sep}{$k}=" . urlencode(uc_stripslashes($v));
        }
        $sep = '&';
    }
    $postdata = uc_api_requestdata($module, $action, $s);
    return uc_fopen2(UC_API . '/index.php', 500000, $postdata, '', TRUE, UC_IP, 20);
}

 public function index()
 {
     $get = $post = array();
     $code = @$_GET['code'];
     parse_str(uc_authcode($code, 'DECODE', UC_KEY), $get);
     if (get_magic_quotes_gpc()) {
         $get = uc_stripslashes($get);
     }
     $timestamp = time();
     if ($timestamp - $get['time'] > 3600) {
         exit('Authracation has expiried');
     }
     if (empty($get)) {
         exit('Invalid Request');
     }
     $action = $get['action'];
     include_once APP_PATH . 'uc_client/lib/xml.class.php';
     $post = xml_unserialize(file_get_contents('php://input'));
     if (in_array($get['action'], array('test', 'deleteuser', 'renameuser', 'gettag', 'synlogin', 'synlogout', 'updatepw', 'updatebadwords', 'updatehosts', 'updateapps', 'updateclient', 'updatecredit', 'getcreditsettings', 'updatecreditsettings'))) {
         exit($this->{$get}['action']($get, $post));
     } else {
         exit(API_RETURN_FAILED);
     }
 }