处理接口公共业务

Common.php

<?php

/**
 * 处理接口公共业务
 * Created by PhpStorm.
 * User: edwin
 * Date: 2017/7/2
 * Time: 16:50
 */
require_once("./Response.php");

class Common
{
    public $params;
    public $app;


    /**
     * @return string
     */
    public function check()
    {
        $this->params['app_id'] = $appId = isset($_POST['app_id']) ? $_POST['app_id'] : '';
        $this->params['app_version'] = $appVersion = isset($_POST['app_version']) ? $_POST['app_version'] : '';
        $this->params['app_did'] = $appDid = isset($_POST['app_did']) ? $_POST['app_did'] : '';
        $this->params['app_version_mini'] = $appVersionMini = isset($_POST['app_version_mini']) ? $_POST['app_version_mini'] : '';
        $this->params['app_encrypt_did'] = $appEncryptDid = isset($_POST['app_encrypt_did']) ? $_POST['app_encrypt_did'] : '';

        if (!is_numeric($appId) || !is_numeric($appVersion)) {
            return Response::show(401, "参数不合法");
        }


        //TODO 判断APP是否需要加密
        $this->app = $this->getApp($appId);
        if (!$this->app) {
            return Response::show(402, "appId不存在");
        }

        //TODO MD5校验
        if (!$this->params['app_encrypt_did'] && $appEncryptDid != md5($appDid)) {
            return Response::show(403, '没有该权限');
        }
    }

    public function getApp($appId)
    {
        $sql = "SELECT *
        FROM app
        WHERE status = 1
        LIMIT  1";

        if ($appId == 5) {
            return "AA";
        } else {
            return '';
        }
    }

    public function getVersionUpgrade($appId)
    {
        return '数据库返回 appId = ' . $appId . ' 的版本信息';

    }


}