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Snapchat Unbreaker

Improve the Snapchat web experience by disabling screenshot prevention features that harm usability.

  1. // ==UserScript==
  2. // @name         Snapchat Unbreaker
  3. // @namespace    http://tampermonkey.net/
  4. // @version      0.1.3
  5. // @description  Improve the Snapchat web experience by disabling screenshot prevention features that harm usability.
  6. // @match        https://web.snapchat.com/*
  7. // @match        https://www.snapchat.com/web/*
  8. // @icon         http://snapchat.com/favicon.ico
  9. // @license      MIT
  10. // @run-at       document-idle
  11. // @grant        none
  12. // ==/UserScript==
  13.  
  14. (function() {
  15.     'use strict';
  16.  
  17.     function unblockControlKeyEvents() {
  18.         const events = ["keydown", "keyup", "keypress"];
  19.         const modifyKeys = ["Control", "Meta", "Alt", "Shift"];
  20.         for (const event_type of events) {
  21.             document.addEventListener(
  22.                 event_type,
  23.                 function (e) {
  24.                     if (modifyKeys.includes(e.key)) {
  25.                         e.preventDefault();
  26.                         e.stopPropagation();
  27.                         console.log(`'${event_type}' event for '${e.key}' received and prevented:`, e);
  28.                         e.stopImmediatePropagation();
  29.                     }
  30.                 },
  31.                 true
  32.             );
  33.         }
  34.     }
  35.  
  36.     function unblockEvent() {
  37.         for (const event_type of arguments) {
  38.             document.addEventListener(
  39.                 event_type,
  40.                 function (e) {
  41.                     e.stopPropagation();
  42.                     console.log(`'${event_type}' event received and prevented:`, e);
  43.                 },
  44.                 true
  45.             );
  46.         }
  47.     }
  48.  
  49.     function fixConsole() {
  50.         const iframe = document.createElement("iframe");
  51.         iframe.style.display = "none";
  52.         document.body.appendChild(iframe);
  53.         const nativeConsole = iframe.contentWindow.console;
  54.         window.console = nativeConsole;
  55.     }
  56.  
  57.     function setupUnblocker() {
  58.         fixConsole();
  59.         unblockControlKeyEvents();
  60.  
  61.         // Allow right-click without losing focus
  62.         unblockEvent("contextmenu");
  63.     }
  64.  
  65.     console.dir("Snapchat unbreaker running!");
  66.     setupUnblocker();
  67.     // Run a few extra times to ensure event listeners take priority.
  68.     setTimeout(setupUnblocker, 1000);
  69.     setTimeout(setupUnblocker, 5000);
  70.     setTimeout(setupUnblocker, 10000);
  71.  
  72.     // Ensure focus is always true.
  73.     document.hasFocus = function() { return true; }
  74.  
  75. })();