Block_Zhihu_Users

Block users on a website by clicking a button
目前为 2023-07-25 提交的版本。查看最新版本。
Wrap lines
// ==UserScript==
// @name         Block_Zhihu_Users
// @namespace    your-namespace
// @version      1.0
// @description  Block users on a website by clicking a button
// @match        https://www.zhihu.com/question/*
// @grant        none
// ==/UserScript==

(function () {
    'use strict';

    function sleep(ms) {
        return new Promise(resolve => setTimeout(resolve, ms));
    }

    let executedUrls = [];

    async function blockUsers() {
        // 模拟鼠标滚轮向下滚动
        window.scrollTo(0, document.body.scrollHeight);
        await sleep(600); // 等待加载完成

        let arr = document.querySelectorAll("div.ContentItem-meta > div.AuthorInfo.AnswerItem-authorInfo.AnswerItem-authorInfo--related > div.AuthorInfo > span > div > a");

        console.log(`加载完成...arr:${arr.length}`)

        let count = 0;
        let index = 0;
        for (let a of arr) {
            index += 1;
            let userUrl = a.href;
            let urlToken = '';
            try {
                urlToken = userUrl.substring(userUrl.lastIndexOf('/') + 1);
            } catch (e) {
                console.log(`err:url:${userUrl}`);
                continue;
            }

            if (executedUrls.includes(urlToken)) {
                //console.log(`${index}/${arr.length}:Skipping ${userUrl} as it has already been blocked`);
                console.log(`${index}/${arr.length}`);
                try {
                    let b = a.parentElement.parentElement.parentElement.parentElement.parentElement.parentElement;
                    b.style = 'display:none';
                } catch (e) {}
                continue;
            }

            // 检查是否已执行过该 urlToken
            if (localStorage.getItem(urlToken)) {
                //console.log(`${index}/${arr.length}:Skipping ${userUrl} as it has already been blocked`);
                console.log(`${index}/${arr.length}`);
                try {
                    let b = a.parentElement.parentElement.parentElement.parentElement.parentElement.parentElement;
                    b.style = 'display:none';
                } catch (e) {}
                continue;
            }

            console.log(`${index}:${count}/${arr.length},屏蔽用户:${userUrl}`);
            const response = await fetch(`/api/v4/members/${urlToken}/actions/block`, {
                method: 'POST',
                headers: new Headers({
                    'x-xsrftoken': document.cookie.match(/(?<=_xsrf=)[\w-]+(?=;)/)[0],
                }),
            });
            try {
                let b = a.parentElement.parentElement.parentElement.parentElement.parentElement.parentElement;
                b.style = 'display:none';
            } catch (e) {}
            count += 1;
            executedUrls.push(urlToken);
            localStorage.setItem(urlToken, 'blocked'); // 将已执行过的 urlToken 存入 localStorage
            await sleep(300);
        }

        //debugger
        if (arr.length === 0 || executedUrls.length === 0 || executedUrls.length === arr.length) {
            console.log('No more data or all urlTokens have been blocked. Simulating page scroll to load more data...');
            alert(`Block ${count} users,total:${executedUrls.length}! \n No more data or all urlTokens have been blocked. Click button or page scroll to load more data...`);
        }

        // 移动鼠标到最下面
        window.scrollTo(0, document.body.scrollHeight);
        window.focus(); // 聚焦到当前页面
        for (let i = 0; i < 5; i++) {
            const event = new KeyboardEvent('keydown', {
                key: 'G',
                code: 'KeyG',
                shiftKey: true
            });
            document.dispatchEvent(event);
            await sleep(1100);

        }
    }

    // 创建悬浮按钮元素
    const button = document.createElement('button');
    button.textContent = '屏蔽用户';
    button.style.position = 'fixed';
    button.style.bottom = '20px';
    button.style.right = '20px';
    button.style.zIndex = '9999';
    button.style.padding = '10px 20px';
    button.style.border = 'none';
    button.style.borderRadius = '10px';
    button.style.color = '#fff';
    button.style.fontSize = '16px';
    button.style.fontWeight = 'bold';
    button.style.background = 'red';
    button.style.cursor = 'pointer';

    // 添加点击事件监听器
    button.addEventListener('click', async() => {
        await blockUsers();
    });

    // 将按钮添加到页面中
    document.body.appendChild(button);

})();
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