sakura/inc/classes/QQ.php

<?php

namespace Sakura\API;

class QQ
{
    public static function get_qq_info($qq) {
        $get_info = file_get_contents('http://users.qzone.qq.com/fcg-bin/cgi_get_portrait.fcg?uins=' . $qq);
        $get_info = mb_convert_encoding($get_info, "UTF-8", "GBK");
        $name = json_decode(substr($get_info, 17, -1), true);
        if ($name) {
            $output = array(
                'status' => 200,
                'success' => true,
                'message' => 'success',
                'avatar' => 'https://q.qlogo.cn/headimg_dl?dst_uin=' . $qq . '&spec=100',
                'name' => $name[$qq][6],
            );
        } else {
            $output = array(
                'status' => 404,
                'success' => false,
                'message' => 'QQ number not exist.'
            );
        }
        return $output;
    }

    public static function get_qq_avatar($encrypted) {
        global $sakura_privkey;
        if (isset($encrypted)) {
            $iv = str_repeat($sakura_privkey, 2);
            $encrypted = base64_decode(urldecode($encrypted));
            $qq_number = openssl_decrypt($encrypted, 'aes-128-cbc', $sakura_privkey, 0, $iv);
            preg_match('/^\d{3,}$/', $qq_number, $matches);
            $imgurl = 'https://q2.qlogo.cn/headimg_dl?dst_uin=' . $matches[0] . '&spec=100';
            return $imgurl;
        }
    }
}