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HIT校园卡消费信息查询系统/新中新电子网站查询系统 API

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校园卡消费查询API

HIT校园卡消费信息查询系统, 也适用于其他新中新电子网站查询系统, 通过hacks解决验证码问题, 能够获取用户今日、 特定时间段消费信息, 挂失/解挂失饭卡等操作.

设计

核心是一个机器人, 模拟登陆网站,抓取特定数据. 为了提高易用性, 又借助Express将其封装为独立站点, 对外提供Web API 和 SDK.

另外, 为验证用户代理的身份, 增加了数字签名, 目前所有请求均通过POST动词完成, 以site_secret为密钥, 生成报文body的数字签名,作为Request Headers中 x-api-signature 的值被一同发送.

只有通过签名验证的消息才能被继续处理, 否则将得到 8000280003 的错误码.

目前该系统运用于哈工大饮食中心微信平台, 工大学生可以绑定查询消费信息.

文件列表

|
|-- bin
|    |-- listen        # 调用 node-supervisor 监听站点, 用于调试
|    `-- service       # 部署脚本 (作为一种部署方案)
|
|-- config             # 站点配置信息
|    |-- nginx
|    |    `-- nginx.conf                   #  Nginx 配置
|    |
|    |-- supervisord
|    |    `-- CampusCardQueriesCard.conf   # [Supervisor](https://github.com/Supervisor/supervisor) 部署配置
|    |
|    |-- crawler.json  # 新中新服务网络地址配置
|    |-- feedback.json # 全局返回信息配置
|    `-- site.json     # 站点部署信息(host, port, 站点密钥secret等信息)
|
|-- logs
|    |-- access.log    # 访问日志
|    `-- error.log     # 错误日志
|
|-- routes
|    |-- api.js        # Express 站点路由处理逻辑
|    `-- webhook.js    # Github webhook 支持, 用于自动更新
|
|-- sdk
|    |-- node-sdk
|    `-- python_sdk
|
|-- test               # 简单的功能测试, 并没有写单元测试
|
|-- utils
|    `-- crawler.js    # 爬虫机器人核心代码
|
|-- app.js             # 服务集成处
`-- package.json       # 包描述

身份验证

  • 验证身份信息

    POST /api/verification

    Headers required:

      * Host
      * Content-Type: `application/x-www-form-urlencoded` or `application/json`
      * Content-Length
      * x-api-signature: HMAC hex digest of the payload, using site's secret as the key.
    

    Payload:

      * username
      * password
    

    Returns @ JSON:

      * errcode: 返回码
      * errmsg: 说明
    

获取消费信息

  • 获取今日消费信息

    POST /api/today

    Headers required:

    * Host
    * Content-Type: `application/x-www-form-urlencoded` or `application/json`
    * Content-Length
    * x-api-signature: HMAC hex digest of the payload, using site's secret as the key.
    

    Payload:

    * username
    * password
    

    Returns @ JSON:

    * errcode: 返回码
    * cost: 今日消费数额
    * detail: 今日详细消费记录
    * balance: 余额
    
  • 获取特定时间段消费信息

    POST /api/during

    Headers required:

    * Host
    * Content-Type: `application/x-www-form-urlencoded` or `application/json`
    * Content-Length
    * x-api-signature: HMAC hex digest of the payload, using site's secret as the key.
    

    Payloads:

    * username
    * password
    * start: start date, such as '20150105'
    * end: end date, such as '20150720'
    

    Returns @ JSON:

    * errcode: 返回码
    * cost: 消费数额
    

挂失/取消挂失操作

  • 校园卡挂失

    POST /api/reportloss

    Headers required:

    * Host
    * Content-Type: `application/x-www-form-urlencoded` or `application/json`
    * Content-Length
    * x-api-signature: HMAC hex digest of the payload, using site's secret as the key.
    

    Payload:

    * username
    * password
    

    Returns @ JSON:

    * errcode: 返回码
    * errmsg: 说明
    
  • 校园卡取消挂失

    POST /api/unreportloss

    Headers required:

    * Host
    * Content-Type: `application/x-www-form-urlencoded` or `application/json`
    * Content-Length
    * x-api-signature: HMAC hex digest of the payload, using site's secret as the key.
    

    Payload:

    * username
    * password
    

    Returns @ JSON:

    * errcode: 返回码
    * errmsg: 说明
    

全局返回码

返回码 说明
-1 系统繁忙
0 请求成功
80001 没有权限
80002 缺少签名
80003 签名验证错误
80004 客户端数据有误
80005 服务器错误

SDK

目前提供了 PythonNode.js 版本的SDK.

部署

依赖解决:

npm install -g supervisor
npm install

方案一:

./bin/service start|stop|restart

方案二:

借助Supervisor部署站点

# Ubuntu
sudo pip install supervisor
sudo ln -s `pwd` /var/www/query
sudo cp config/supervisord/CampusCardQueries.conf /etc/supervisor/conf.d
sudo service supervisor restart

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