<?php
namespace wx\miniprogram;
use wx\Base;

include_once "WXBizDataCrypt.php";

class User extends Base
{
    /**
     * 小程序登陆获取用户信息
     */
    public function code2session($appid, $secret, $code)
    {
        // auth.code2Session
        $url = 'https://api.weixin.qq.com/sns/jscode2session?appid='.$appid.'&secret='.$secret.'&js_code='.$code.'&grant_type=authorization_code';
        $result = $this->curl($url);
        $result = json_decode($result, true);

        return $result;
    }


    /**
     * 解密用户信息
     */
    public function getInfo($appid, $sessionKey, $encryptedData, $iv)
    {
        $crypt = new \WXBizDataCrypt($appid, $sessionKey);
        $data = NULL;
        $errCode = $crypt->decryptData($encryptedData, $iv, $data);
        if ($errCode != 0) {
            trace($errCode, 'error');
            trace($data, 'error');
            return false;
        }

        return json_decode($data, true);
    }
}