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QOS-Handler

QOS-Handler(window param ver)

目前為 2021-08-03 提交的版本，檢視 最新版本。

此腳本不應該直接安裝，它是一個供其他腳本使用的函式庫。欲使用本函式庫，請在腳本 metadata 寫上： // @require https://update.cn-greasyfork.org/scripts/430297/956917/QOS-Handler.js 

  1. // ==UserScript==
  2. // @name         QOS-Handler
  3. // @namespace    http://greasyfork.org/
  4. // @version      0.1
  5. // @description  QOS-Handler(window param ver)
  6. // @author       Cosil.C
  7. // @license      GPL
  8. // ==/UserScript==
  9.  
  10. /* jshint esversion: 6 */
  11. /**
  12.  * @description 流控相关
  13.  */
  14. document.defaultView.qos = {
  15.     /**
  16.      * @description 记录这次的访问时间戳，并返回是否超出限制
  17.      * @param sec 时间限制
  18.      * @param timesLimit 次数限制
  19.      * @returns sec秒内访问了超过timesLimit次 ? true : false
  20.      */
  21.     record: (sec, timesLimit) => {
  22.         sec = sec || 5;
  23.         timesLimit = timesLimit || 10;
  24.         console.log(`start qos recording...\nsec:${sec},timesLimit:${timesLimit}`);
  25.         let timestamp = new Date().getTime(), historyArr = document.defaultView.qos.getRecord();
  26.         historyArr.push(timestamp);
  27.         if (historyArr.length > timesLimit) {
  28.             let shift;
  29.             do {
  30.                 shift = parseInt(historyArr.shift());
  31.             } while (historyArr.length > timesLimit);
  32.             //
  33.             if (timestamp - shift <= sec * 1000) {
  34.                 let format = function (target) {
  35.                     return new Date(target).toTimeString().substr(0, 8);
  36.                 };
  37.                 console.log(`current:${format(timestamp)}, shift:${format(shift)}, interval(sec):${(timestamp - shift) / 1000}`);
  38.                 return true;
  39.             }
  40.         }
  41.         localStorage.setItem('historyArr', JSON.stringify(historyArr));
  42.         console.log('qos recorded');
  43.         return false;
  44.     },
  45.     /**
  46.      * @description 清除缓存中的记录
  47.      */
  48.     clearRecord: () => {
  49.         localStorage.removeItem('historyArr');
  50.     },
  51.     /**
  52.      * @description 获取记录的历史
  53.      * @returns 历史记录数组
  54.      */
  55.     getRecord: () => {
  56.         let historyArr;
  57.         try {
  58.             historyArr = JSON.parse(localStorage.getItem('historyArr') || '[]');
  59.         } catch (e) {
  60.             console.error(e);
  61.             console.error(`cause:${localStorage.getItem('historyArr')}`);
  62.             document.defaultView.qos.clearRecord();
  63.             historyArr = [];
  64.         }
  65.         return historyArr;
  66.     }
  67. };