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spm_Track_Block_Tool

移除链接中的spm跟踪参数

目前为 2022-04-09 提交的版本。查看 最新版本。

  1. // ==UserScript==
  2. // @name         spm_Track_Block_Tool
  3. // @namespace    _s7util__
  4. // @version      0.5.0
  5. // @description:en Remove [spm] track paramter in URL
  6. // @description  移除链接中的spm跟踪参数
  7. // @author       shc0743
  8. // @match        *://*/*
  9. // @icon         data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
  10. // @grant        none
  11. // @license      GPL-3
  12. // @supportURL   https://github.com/shc0743/MyUtility/issues/new
  13. // @run-at       document-start
  14. // ==/UserScript==
  15.  
  16. /*
  17. Description:
  18. 说明:
  19.  
  20.     This user script removes the spm paramter in <a href> elements.
  21.     此脚本移除 <a href> 元素中的spm参数。
  22.     
  23.     If it doesn't work, try refreshing it a few times or wait a while.
  24.     若无法生效,请尝试刷新几次或等一会。
  25.  
  26.     Examples:
  27.     示例:
  28.     
  29.     https://www.bilibili.com/video/av170001?spm_id_from=114514
  30.     -> https://www.bilibili.com/video/av170001
  31.  
  32.     https://www.bilibili.com/video/av170001?query1=arg2&spm_id_from=114514&query2=data3
  33.     -> https://www.bilibili.com/video/av170001?query1=arg2&query2=data3
  34.  
  35.     https://www.bilibili.com/video/av170001?spm=114514.1919810#hash
  36.     -> https://www.bilibili.com/video/av170001#hash
  37.  
  38.     https://www.bilibili.com/video/av170001?spm=114514.1919810&query2=data3#hash1
  39.     -> https://www.bilibili.com/video/av170001?query2=data3#hash1
  40. */
  41.  
  42. (function(window) {
  43.     'use strict';
  44.  
  45.     // Your code here...
  46.  
  47.     //var expr = /\?[\s\S]*spm/i;
  48.     var track_args_list = [
  49.         'spm', 'spm_id_from', 'from_source'
  50.     ];
  51.     /**
  52.      * 去除字符串中的spm参数
  53.      * @param {String} str 
  54.      * @returns 去除spm后的结果
  55.      */
  56.     var remove_spm = function (str) {
  57.         var newstr = '';
  58.         var len = str.length;
  59.         var is_in_query_part = false;         // 只去除查询参数部分,避免正常url被替换而导致404
  60.  
  61.         for (let i = 0; i < len; ++i) {
  62.             if (str[i] == '?') is_in_query_part = true;
  63.             if (!is_in_query_part) {          // 时机未到,跳过
  64.                 newstr += str[i];
  65.                 continue;
  66.             }
  67.             
  68.             let need_break = true;
  69.             for (let j = 0; j < track_args_list.length; ++j) {
  70.                 need_break = true;
  71.                 if (track_args_list[j] == str.substring(i,
  72.                     i + track_args_list[j].length - 0)) {
  73.                     // 检测到 “spm”
  74.                     while ((++i) < len) {
  75.                         if (str[i] == '&') {      // 不能单独保留一个 & 号
  76.                             i++; break;           // 去掉
  77.                         }
  78.                         if (str[i] == '#') break; // 保留hash部分
  79.                     }
  80.                     if (i == len) break;          // 越界,直接break,以免url出现undefined
  81.                 }
  82.                 need_break = false;
  83.             }
  84.             if (need_break) break;
  85.             newstr += str[i];                 // 
  86.         }
  87.         
  88.         /*
  89.         @deprecated 此移除器不按预期工作
  90.         */
  91.         // newstr = str;
  92.         // for (let i = 0; i < track_args_list.length; ++i) {
  93.         //     let index = newstr.indexOf(track_args_list[i] + '=');
  94.         //     if (index + 1) { // found
  95.         //         let par_end = newstr.indexOf('&', index);
  96.         //         if (par_end == 0)
  97.         //             par_end = newstr.indexOf('#', index);
  98.                 
  99.         //         let str1 = newstr.substr(0, index);
  100.         //         let str2 = newstr.substr(par_end);
  101.         //         newstr = str1 + str2;
  102.         //     }
  103.         // }
  104.  
  105.         var _lastchar;
  106.         for (let i = 0; i < newstr.length; ++i) {
  107.             _lastchar = newstr[newstr.length - 1];
  108.             if (_lastchar == '?' || _lastchar == '&') { // 如果移除后只剩下 ? 或 &
  109.                 newstr = newstr.substr(0, newstr.length - 1); // 去掉
  110.                 _lastchar = newstr[newstr.length - 1];
  111.                 if (_lastchar == '?' || _lastchar == '&')     // 再次检测
  112.                     newstr = newstr.substr(0, newstr.length - 1);
  113.             } else break;
  114.         }
  115.         // Bug-Fix:
  116.         // https://example.com/example?q1=arg&spm=123#hash1
  117.         // -> https://example.com/example?q1=arg&#hash1
  118.         //     Invalid URL syntax at            ^^
  119.         newstr = newstr.replace(/\&\#/igm, '#');
  120.         newstr = newstr.replace(/\?\#/igm, '#');
  121.         return newstr;
  122.     }
  123.     var test_spm = function (str) {
  124.         for (let i = 0; i < track_args_list.length; ++i)
  125.             if (new RegExp(track_args_list[i], 'i').test(str))
  126.                 return true;
  127.         return false;
  128.     };
  129.     var _realwindowopen = window.open;
  130.  
  131.     var _link_click = function (event) {
  132.         if (!(/http/i.test(this.href))) return;
  133.         event.preventDefault();
  134.         // 防止被再次加入spm
  135.         this.href = remove_spm(this.href);
  136.         _realwindowopen(this.href, this.target || '_self');
  137.         return false;
  138.     };
  139.     var _link_mouseover = function () {
  140.         if (test_spm(this.href))
  141.             this.href = remove_spm(this.href);
  142.     };
  143.     var linkclickhandlerinit = function () {
  144.         var el = document.querySelectorAll('a[href]');
  145.         for (let i = el.length - 1; i >= 0; --i) {
  146.             if (test_spm(el[i].href)) {
  147.                 // 链接已经被加入spm , 需要移除
  148.                 el[i].href = remove_spm(el[i].href);
  149.             }
  150.             el[i].removeEventListener('click', _link_click);
  151.             el[i].addEventListener('click', _link_click, true);
  152.             el[i].removeEventListener('mouseover', _link_mouseover);
  153.             el[i].addEventListener('mouseover', _link_mouseover, false);
  154.         }
  155.     };
  156.     window.addEventListener('load', function (event) {
  157.         window.setInterval(linkclickhandlerinit, 5000);
  158.         window.setTimeout(linkclickhandlerinit, 1000);
  159.         window.setTimeout(linkclickhandlerinit, 500);
  160.         window.setTimeout(linkclickhandlerinit, 1);
  161.         try {
  162.             Object.defineProperty(window, 'open', {
  163.                 value: function (url, target, features) {
  164.                     return _realwindowopen(
  165.                         remove_spm(url),
  166.                         target,
  167.                         features);
  168.                 },
  169.                 writable: false,
  170.                 enumerable: true,
  171.                 configurable: true
  172.             }); // 重定义window.open 以阻止弹出窗口中的spm
  173.         }
  174.         catch (error) {
  175.             console.warn("This browser doesn't support redefining" +
  176.                 " window.open , so [SpmBlockTool] cannot remove" +
  177.                 " spm in popup window.\nError:", error);
  178.         }
  179.     });
  180.  
  181.     // 移除当前页面的spm
  182.     // 当然,实际上spm已经在userscript加载前被发送到服务器,
  183.     // 所以该功能仅美化url.
  184.     // 如果要禁用该功能，删除下面一行开头的斜杠。
  185.     //if(0)
  186.     // Remove spm from current page
  187.     // Of course, in fact, SPM has been sent to the server 
  188.     // before userscript is loaded, so this function only beautifies the URL.
  189.     // If you want to disable this feature, remove the slash
  190.     // at the beginning of the following line:
  191.     //if(0)
  192.     if (test_spm(location.href)) {
  193.         window.history.replaceState({},
  194.             document.title,
  195.             remove_spm(location.href));
  196.     }
  197.  
  198.     /*
  199.     var test_urls = [
  200.         'https://www.bilibili.com/video/BV18X4y1N7Yh',
  201.         'https://www.bilibili.com/video/BV18X4y1N7Yh?spm_id_from=114514',
  202.         'https://www.bilibili.com/video/BV18X4y1N7Yh?spm=114514.1919810',
  203.         'https://www.bilibili.com/video/BV18X4y1N7Yh?spm_id_from=114514.123',
  204.  
  205.         'https://www.bilibili.com/video/av170001',
  206.         'https://www.bilibili.com/video/av170001?spm_id_from=114514',
  207.         'https://www.bilibili.com/video/av170001?spm=114514.1919810',
  208.         'https://www.bilibili.com/video/av170001?spm_id_from=114514.123',
  209.  
  210.         'https://www.bilibili.com/video/av170001?query1=arg2&spm_id_from=114514',
  211.         'https://www.bilibili.com/video/av170001?query1=arg2&spm=114514.1919810',
  212.         'https://www.bilibili.com/video/av170001?query1=arg2&spm_id_from=114514.123',
  213.         'https://www.bilibili.com/video/av170001?query1=arg2&spm_id_from=114514',
  214.         'https://www.bilibili.com/video/av170001?query1=arg2&spm=114514.1919810',
  215.         'https://www.bilibili.com/video/av170001?query1=arg2&spm_id_from=114514.123',
  216.  
  217.         'https://www.bilibili.com/video/av170001?query1=arg2&spm_id_from=114514&query2=data3',
  218.         'https://www.bilibili.com/video/av170001?query1=arg2&spm=114514.1919810&query2=data3',
  219.  
  220.         'https://www.bilibili.com/video/av170001?spm_id_from=114514#hash',
  221.         'https://www.bilibili.com/video/av170001?query1=arg2&spm_id_from=114514#hash1',
  222.         'https://www.bilibili.com/video/av170001?query1=arg2&spm=114514.1919810#hash1',
  223.  
  224.         'https://www.bilibili.com/video/av170001?spm_id_from=114514&query2=data3#hash1',
  225.         'https://www.bilibili.com/video/av170001?spm=114514.1919810&query2=data3#hash1',
  226.     ];
  227.     for(let i=0;i<test_urls.length;++i){
  228.         let el=document.createElement('a');
  229.         el.href=test_urls[i];
  230.         el.innerHTML=i+1 + '';
  231.         document.documentElement.appendChild(el);
  232.     }
  233.     for(let i=0;i<test_urls.length;++i){
  234.         let el=document.createElement('a');
  235.         el.href=test_urls[i];
  236.         el.innerHTML=i+1 + ' blank';
  237.         el.target='_blank';
  238.         document.documentElement.appendChild(el);
  239.     }
  240.     */
  241.     
  242. })(window);