// ==UserScript==
// @name         Pass CNKI verification code
// @namespace    http://tampermonkey.net/
// @version      2024-11-08
// @description  通过知网的滑动验证码
// @author       You
// @match        https://kns.cnki.net/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=cnki.net
// @grant        none
// @license MIT
// ==/UserScript==
(function() {
'use strict';
function bezierPath(start, end, control1, control2, steps) {
const path = [];
for (let t = 0; t <= 1; t += 1 / steps) {
const x = (1 - t) ** 3 * start[0] +
3 * (1 - t) ** 2 * t * control1[0] +
3 * (1 - t) * t ** 2 * control2[0] +
t ** 3 * end[0];
const y = (1 - t) ** 3 * start[1] +
3 * (1 - t) ** 2 * t * control1[1] +
3 * (1 - t) * t ** 2 * control2[1] +
t ** 3 * end[1];
path.push([x + Math.random() * 2 - 1, y + Math.random() * 2 - 1]);
}
return path;
}
function simulateSliderMovement(sliderElement, start, end) {
const control1 = [start[0] + (end[0] - start[0]) / 4, start[1] - 30];
const control2 = [start[0] + (end[0] - start[0]) * 3 / 4, end[1] + 30];
const path = bezierPath(start, end, control1, control2, 100);
// 模拟按下
sliderElement.dispatchEvent(new MouseEvent('mousedown', {
clientX: start[0],
clientY: start[1],
bubbles: true
}));
// 模拟移动
path.forEach(([x, y], i) => {
setTimeout(() => {
sliderElement.dispatchEvent(new MouseEvent('mousemove', {
clientX: x,
clientY: y,
bubbles: true
}));
}, i * 1); // 控制速度
});
// 模拟释放
setTimeout(() => {
sliderElement.dispatchEvent(new MouseEvent('mouseup', {
clientX: end[0],
clientY: end[1],
bubbles: true
}));
}, path.length * 10);
}
var txt = document.querySelector('.txt').textContent;
if (txt == "系统检测到您的访问行为异常，请帮助我们完成 验证"){
// 用法示例
const sliderElement = document.querySelector('.verify-move-block');
var start_x = sliderElement.getBoundingClientRect().x;
var offset = document.querySelector('.verify-gap').offsetLeft;
simulateSliderMovement(sliderElement, [start_x, 0], [start_x + offset + 30, 0]);
}
// Your code here...
})();