Pass CNKI verification code

通过知网的滑动验证码

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==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...
})();