tframe-utility/func/preRoutes/index.js

minimal unit of smpoo tframe platform

/* 路由预处理器
*/
module.exports = (req, res, next) => {
  // 定义标准输出
  res.apiOk = data => {
    res.json({
      apiStatus: 'ok',
      result: data
    });
  };
  res.apiErr = err => {
    console.log(err);
    res.status(err.status || 500);
    res.json({
      apiStatus: 'err',
      code: err.status || '500',
      reason: err.reason || err.toString()
    });
  };

  if (req.url === '/favicon.ico') {
    res.apiOk('icon请求，已被忽略！');
  } else {
    // 注入请求端IP
    req.userIp =
      req.headers['x-forwarded-for'] ||
      req.connection.remoteAddress ||
      req.socket.remoteAddress ||
      req.connection.socket.remoteAddress;

    // TO DO
    待后续补充是否要对get请求参数格式化;

    let irg1 = /sign\/in/;
    let irg2 = /sign\/up/;
    // 忽略 sign-in sign-up请求的session验证
    if (!irg1.test(req.url) && !irg2.test(req.url) && !req.session.userid) {
      let err = new Error();
      err.status = 401;
      err.reason = '当前未登录，或登录已过期';
      res.apiErr(err);
    }
  }
  next();
};