const config = require("../config")
const rsa = require("../utils/rsa")
const jwt = require('jsonwebtoken');
/**
 * 拦截器，验证 token，data
 * @type {{Validator(*, *, *): void}}
 */
module.exports = {
    Validator(req, res, next) {
        if (req.url == config.filter.login || req.url == config.filter.add
            || req.url == config.filter.home
        ) {
            next()
        } else {
            if (req.headers.hasOwnProperty("token")) {
                jwt.verify(req.headers.token, config.jwt, function (err, decode) {
                    if (err) {
                        res.json({
                            status: 403,
                            message: `身份凭证失效或不存在，请登录！${err.message}`
                        })
                    } else {
                        next();
                    }
                });
            } else { // 无token
                res.json({
                    status: 403,
                    message: '无权限访问接口，您需要先登录才能使用！'
                })
            }
        }
    }
}