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Website Blocker with Password Protection

Block access to specific websites with password protection

  1. // ==UserScript==
  2. // @name         Website Blocker with Password Protection
  3. // @namespace    http://tampermonkey.net/
  4. // @version      1.4
  5. // @license      MIT
  6. // @description  Block access to specific websites with password protection
  7. // @match        *://*/*
  8. // @grant        GM_setValue
  9. // @grant        GM_getValue
  10. // ==/UserScript==
  11.  
  12. (function() {
  13.     'use strict';
  14.  
  15.     const PASSWORDS = ["RedPeach9002!", "Charles17578!"]; // Set the passwords here
  16.     const ERROR_PAGE = "https://example.com/error.html"; // Set the custom error page URL here
  17.     const BLOCKED_URLS = [
  18.         {
  19.             url: "https://classroom.google.com/",
  20.             message: "Enter the password to access Google Classroom"
  21.         },
  22.         {
  23.             url: "https://hac20.esp.k12.ar.us/",
  24.             message: "Enter the password to access Hac20"
  25.         },
  26.         {
  27.             url: "https://www.youtube.com/",
  28.             message: "Enter the password to access YouTube"
  29.         },
  30.         {
  31.             url: "https://docs.google.com/",
  32.             message: "Enter the password to access Google Docs"
  33.         },
  34.         {
  35.             url: "https://clever.discoveryeducation.com/",
  36.             message: "Enter the password to access Clever"
  37.         },
  38.         {
  39.             url: "https://www.desmos.com/",
  40.             message: "Enter the password to access Desmos"
  41.         },
  42.         {
  43.             url: "https://chrome.google.com/webstore/detail/prodigy-hacking-extension/cddgplffojbmjffebkmngmmlhkkhfibp",
  44.             message: "Enter the password to access Prodigy Hacks"
  45.         }
  46.     ];
  47.     const PASSWORD_CACHE_TIME = 300 * 1000; // Password cache time in milliseconds (5 minutes)
  48.  
  49.     const currentPage = window.location.href;
  50.     let isBlocked = false;
  51.     let message = "";
  52.  
  53.     // Check if the current URL is blocked
  54.     for (let i = 0; i < BLOCKED_URLS.length; i++) {
  55.         const blockedUrl = BLOCKED_URLS[i];
  56.         if (currentPage.startsWith(blockedUrl.url)) {
  57.             isBlocked = true;
  58.             message = blockedUrl.message;
  59.             break;
  60.         }
  61.     }
  62.  
  63.     if (isBlocked) {
  64.         const cachedPassword = GM_getValue("password_cache", {});
  65.         if (currentPage in cachedPassword && (Date.now() - cachedPassword[currentPage].time) < PASSWORD_CACHE_TIME) {
  66.             // Password is cached and not expired, continue to website
  67.             return;
  68.         }
  69.  
  70.         let passwordAttempts = 0;
  71.         while (passwordAttempts < 3) {
  72.             const password = prompt(message);
  73.             if (password === null) {
  74.                 // User clicked "cancel" or pressed escape, redirect to homepage
  75.                 window.location.href = "https://www.google.com";
  76.                 return;
  77.             } else if (PASSWORDS.includes(password)) {
  78.                 // Cache the password for this page
  79.                 cachedPassword[currentPage] = {password: password, time: Date.now()};
  80.                 GM_setValue("password_cache", cachedPassword);
  81.                 return;
  82.             } else {
  83.                 passwordAttempts++;
  84.                 alert("Incorrect password. " + (3 - passwordAttempts) + " attempts remaining.");
  85.             }
  86.         }
  87.  
  88.         // Redirect to custom error page with message
  89.         window.location.href = ERROR_PAGE + "?message=Incorrect password";
  90.     }
  91. })();