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武大本科生院附件下载自动填验证码
// ==UserScript==
// @name WHUCodeInference
// @namespace http://luxiaoxiao.work/
// @version 0.2.4
// @description 武大本科生院附件下载自动填验证码
// @author LXX
// @license MIT
// @match https://uc.whu.edu.cn/system/_content/download.jsp*
// @icon https://uc.whu.edu.cn/2022/images/favicon.ico
// @connect code.luxiaoxiao.work
// @grant GM_xmlhttpRequest
// ==/UserScript==
(function() {
'use strict';
var image = document.getElementById("codeimg");
function sleep(sleepTime) {
for(var start = new Date; new Date - start <= sleepTime;) {}
}
const inference = function(){
context.drawImage(image, 0, 0);
var base64Data = canvas.toDataURL('image/png');
console.log(base64Data);
base64Data = base64Data.replace(/^data:image\/png;base64,/, '');
base64Data = base64Data.replace(/\+/g, '-').replace(/\//g, '_');
console.log(base64Data);
GM_xmlhttpRequest({
method: 'get',
url: 'https://code.luxiaoxiao.work/code/' + base64Data,
onload: function(response){
console.log(response);
document.getElementById('codeValue').value = response.responseText;
}
})
}
const main = function(){
image = document.getElementById("codeimg");
inference();
}
window.addEventListener('load', function() {
// 在页面的所有资源加载完成后执行一些操作
image = document.getElementById("codeimg");
inference();
});
//main();
var canvas = document.createElement('canvas');
canvas.width = 60
canvas.height = 20;
var context = canvas.getContext('2d');
const callback = function(){
console.log('changed!');
sleep(500);
image = document.getElementById("codeimg");
inference();
}
const observer = new MutationObserver(callback);
const config = {
attributes: true
}
observer.observe(image, config);
})();