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getVaptchaCode

vaptcha-iframe 依赖库

此脚本不应直接安装。它是供其他脚本使用的外部库，要使用该库请加入元指令 // @require https://update.cn-greasyfork.org/scripts/418420/878837/getVaptchaCode.js 

  1. /**
  2.  * getVaptchaCode v1.0
  3.  * @author Jixun<https://jixun.moe/>
  4.  * @license BSD-3-Clause
  5.  */
  6.  
  7. function getVaptchaCode(frameURL, container) {
  8.     return new Promise((resolve) => {
  9.         const {origin} = new URL(frameURL);
  10.         const id = 'id' + Date.now() + Math.random();
  11.         const frame = document.createElement('iframe');
  12.         frame.style.transition = 'opacity 1s 1s';
  13.         frame.style.opacity = 1;
  14.  
  15.         const eventHandler = (event) => {
  16.             if (event.data.vaptcha === id) {
  17.                 resolve(event.data.token);
  18.                 window.removeEventListener('message', eventHandler);
  19.                 frame.style.opacity = 0;
  20.  
  21.                 // Remove iframe after fadeout effects.
  22.                 setTimeout(() => {
  23.                     if (frame.parentNode) {
  24.                         frame.parentNode.removeChild(frame);
  25.                     }
  26.                 }, 1000);
  27.             }
  28.         };
  29.  
  30.         window.addEventListener('message', eventHandler);
  31.  
  32.         frame.src = frameURL;
  33.         frame.onload = () => {
  34.             frame.contentWindow.postMessage({ vaptcha: 'init', id }, origin);
  35.         };
  36.         container.appendChild(frame);
  37.     });
  38. }