Calculation/app/middleware/api2other_check.js

'use strict';

/**
 *
 * @author EllisRan
 * @date
 * @version
 */
const crypto = require('crypto');
const maintainConst = require('../const/maintain');

module.exports = options => {
    return function* api2otherCheck(next) {
        try {
            // 获取系统维护信息
            const maintainData = yield this.service.maintain.getDataById(1);
            if (maintainData.status === maintainConst.status.ongoing) {
                throw '系统维护中~';
            }
            const code = this.query.projectCode || this.request.body.projectCode;
            const sign = this.query.sign || this.request.body.sign;
            const time = this.query.time || this.request.body.time;
            if (!code || !sign || !time) {
                throw '参数有误';
            }
            if ((parseFloat(time) + 86400 * 1000) < new Date().getTime()) {
                throw '时间参数已过期';
            }
            const data = yield this.service.project.getProjectByCode(code.toString().trim());
            if (data === null) {
                throw '不存在项目数据';
            }
            if (data.custom === 0) {
                throw '无法通过接口登录本系统';
            }
            if (data.custom === 1 && data.can_api === 0) {
                throw '接口已关闭，无法使用';
            }
            const encryptSign = crypto.createHash('md5').update(data.code + data.secret + time.toString()).digest('hex').toString();
            if (encryptSign !== sign) {
                throw '参数验证失败';
            }
            this.projectData = data;
            yield next;
        } catch (err) {
            console.log(err);
            // 重定向值标段管理
            // 判断是登录请求还是接口请求
            if (this.helper.isAjax(this.request)) {
                this.body = {
                    err: 1,
                    msg: err,
                    data: '',
                };
                return;
            }
            this.session.loginError = err;
            yield next;
        }
    };
};