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URL Redirector

Redirects specified URLs to new destinations

  1. // ==UserScript==
  2. // @name         URL Redirector
  3. // @namespace    http://your-namespace.com
  4. // @version      1.0
  5. // @description  Redirects specified URLs to new destinations
  6. // @match        http://*/*
  7. // @match        https://*/*
  8. // @grant        GM_setValue
  9. // @grant        GM_getValue
  10. // @license MIT
  11. // ==/UserScript==
  12.  
  13. (function() {
  14.     'use strict';
  15.  
  16.     // 获取已保存的重定向规则
  17.     var redirectRules = GM_getValue('redirectRules', []);
  18.  
  19.     // 显示用户界面
  20.     function showUserInterface() {
  21.         var uiContainer = document.createElement('div');
  22.         uiContainer.style.position = 'fixed';
  23.         uiContainer.style.top = '20px';
  24.         uiContainer.style.right = '20px';
  25.         uiContainer.style.padding = '10px';
  26.         uiContainer.style.backgroundColor = '#f9f9f9';
  27.         uiContainer.style.border = '1px solid #ddd';
  28.  
  29.         // 添加标题
  30.         var title = document.createElement('h2');
  31.         title.innerHTML = 'URL Redirector';
  32.         uiContainer.appendChild(title);
  33.  
  34.         // 添加规则列表
  35.         var ruleList = document.createElement('ul');
  36.         uiContainer.appendChild(ruleList);
  37.  
  38.         // 添加规则输入字段和按钮
  39.         var fromInput = document.createElement('input');
  40.         fromInput.placeholder = 'From URL';
  41.         uiContainer.appendChild(fromInput);
  42.  
  43.         var toInput = document.createElement('input');
  44.         toInput.placeholder = 'To URL';
  45.         uiContainer.appendChild(toInput);
  46.  
  47.         var addButton = document.createElement('button');
  48.         addButton.innerHTML = 'Add Rule';
  49.         addButton.addEventListener('click', function() {
  50.             var fromUrl = fromInput.value.trim();
  51.             var toUrl = toInput.value.trim();
  52.  
  53.             if (fromUrl !== '' && toUrl !== '') {
  54.                 // 添加新规则到数组
  55.                 redirectRules.push({
  56.                     from: fromUrl,
  57.                     to: toUrl
  58.                 });
  59.  
  60.                 // 清空输入字段
  61.                 fromInput.value = '';
  62.                 toInput.value = '';
  63.  
  64.                 // 更新规则列表
  65.                 updateRuleList();
  66.             }
  67.         });
  68.         uiContainer.appendChild(addButton);
  69.  
  70.         // 更新规则列表
  71.         function updateRuleList() {
  72.             ruleList.innerHTML = '';
  73.  
  74.             // 创建规则列表项
  75.             for (var i = 0; i < redirectRules.length; i++) {
  76.                 var rule = redirectRules[i];
  77.  
  78.                 var listItem = document.createElement('li');
  79.                 listItem.innerHTML = rule.from + ' -> ' + rule.to;
  80.  
  81.                 var deleteButton = document.createElement('button');
  82.                 deleteButton.innerHTML = 'Delete';
  83.                 deleteButton.addEventListener('click', (function(index) {
  84.                     return function() {
  85.                         // 从数组中删除规则
  86.                         redirectRules.splice(index, 1);
  87.  
  88.                         // 更新规则列表
  89.                         updateRuleList();
  90.                     };
  91.                 })(i));
  92.  
  93.                 listItem.appendChild(deleteButton);
  94.                 ruleList.appendChild(listItem);
  95.             }
  96.  
  97.             // 保存更新后的规则数组
  98.             GM_setValue('redirectRules', redirectRules);
  99.         }
  100.  
  101.         // 初始化规则列表
  102.         updateRuleList();
  103.  
  104.         // 将用户界面添加到页面
  105.         document.body.appendChild(uiContainer);
  106.     }
  107.  
  108.     // 检查当前URL是否需要重定向
  109.     function checkForRedirect() {
  110.         var currentUrl = window.location.href;
  111.  
  112.         // 检查每个规则是否匹配当前URL
  113.         for (var i = 0; i < redirectRules.length; i++) {
  114.             var rule = redirectRules[i];
  115.  
  116.             if (currentUrl.includes(rule.from)) {
  117.                 // 如果匹配，则重定向到新目标URL
  118.                 var newUrl = currentUrl.replace(rule.from, rule.to);
  119.                 window.location.href = newUrl;
  120.                 break;
  121.             }
  122.         }
  123.     }
  124.  
  125.     // 在页面加载完成后检查重定向
  126.     window.addEventListener('load', function() {
  127.         // 显示用户界面
  128.         showUserInterface();
  129.  
  130.         // 检查重定向
  131.         checkForRedirect();
  132.     });
  133. })();