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Get Real Download URL

Get the real download URL by right-clicking on a download link while holding the left Alt key.

  1. // ==UserScript==
  2. // @name         Get Real Download URL
  3. // @namespace    http://tampermonkey.net/
  4. // @version      1.0
  5. // @description  Get the real download URL by right-clicking on a download link while holding the left Alt key.
  6. // @match        *://*/*
  7. // @grant        GM_setClipboard
  8. // @license      MIT
  9. // ==/UserScript==
  10.  
  11. (function() {
  12.     'use strict';
  13.  
  14.     document.addEventListener('contextmenu', function(event) {
  15.         if (event.altKey) {
  16.             const link = event.target.closest('a[href]');
  17.             if (link) {
  18.                 // Create the custom menu item as a floating button
  19.                 const customMenuItem = document.createElement('div');
  20.                 customMenuItem.textContent = 'Get Real Download URL';
  21.                 customMenuItem.style.position = 'fixed';
  22.                 customMenuItem.style.backgroundColor = '#fff';
  23.                 customMenuItem.style.border = '1px solid #ccc';
  24.                 customMenuItem.style.padding = '5px';
  25.                 customMenuItem.style.cursor = 'pointer';
  26.                 customMenuItem.style.zIndex = '10000';
  27.                 customMenuItem.style.top = `${event.clientY}px`;
  28.                 customMenuItem.style.left = `${event.clientX}px`;
  29.                 customMenuItem.style.boxShadow = '0 2px 10px rgba(0,0,0,0.5)';
  30.                 customMenuItem.style.borderRadius = '3px';
  31.  
  32.                 const clickHandler = async function() {
  33.                     try {
  34.                         const response = await fetch(link.href, {
  35.                             method: 'HEAD',
  36.                             redirect: 'manual'
  37.                         });
  38.  
  39.                         const realUrl = response.headers.get('location') || link.href;
  40.  
  41.                         GM_setClipboard(realUrl);
  42.                         showTemporaryMessage(`Real download URL copied to clipboard: ${realUrl}`, true);
  43.                     } catch (error) {
  44.                         console.error('Error fetching the real download URL:', error);
  45.                         showTemporaryMessage('Failed to get the real download URL.', false);
  46.                     } finally {
  47.                         document.body.removeChild(customMenuItem);
  48.                     }
  49.                 };
  50.  
  51.                 customMenuItem.addEventListener('click', clickHandler);
  52.  
  53.                 document.body.appendChild(customMenuItem);
  54.  
  55.                 const cleanup = () => {
  56.                     if (customMenuItem.parentNode) {
  57.                         customMenuItem.removeEventListener('click', clickHandler);
  58.                         document.body.removeChild(customMenuItem);
  59.                     }
  60.                 };
  61.  
  62.                 // Cleanup after 5 seconds or when clicking elsewhere
  63.                 setTimeout(cleanup, 5000);
  64.                 document.addEventListener('click', cleanup, { once: true });
  65.  
  66.                 // Prevent propagation to avoid closing the default context menu
  67.                 customMenuItem.addEventListener('contextmenu', function(e) {
  68.                     e.stopPropagation();
  69.                     e.preventDefault();
  70.                 });
  71.  
  72.                 // Prevent default context menu from showing
  73.                 event.preventDefault();
  74.             }
  75.         }
  76.     });
  77.  
  78.     function showTemporaryMessage(message, success) {
  79.         const msgDiv = document.createElement('div');
  80.         msgDiv.textContent = message;
  81.         msgDiv.style.position = 'fixed';
  82.         msgDiv.style.bottom = '10px';
  83.         msgDiv.style.right = '10px';
  84.         msgDiv.style.backgroundColor = success ? 'green' : 'red';
  85.         msgDiv.style.color = 'white';
  86.         msgDiv.style.padding = '10px';
  87.         msgDiv.style.borderRadius = '5px';
  88.         msgDiv.style.zIndex = '10000';
  89.         document.body.appendChild(msgDiv);
  90.         setTimeout(() => {
  91.             document.body.removeChild(msgDiv);
  92.         }, 1000);
  93.     }
  94. })();