如何使用CapSolver API解决BrowserCloud中的CAPTCHA

npm install puppeteer node-fetch@2 dotenv

BROWSER_CLOUD_TOKEN=your_browsercloud_token
CAPSOLVER_API_KEY=your_capsolver_api_key

import puppeteer from 'puppeteer';
import fetch from 'node-fetch';
import dotenv from 'dotenv';
dotenv.config();

const BROWSER_CLOUD_TOKEN = process.env.BROWSER_CLOUD_TOKEN;
const CAPSOLVER_API_KEY = process.env.CAPSOLVER_API_KEY;

async function solveCaptcha(sitekey, pageUrl) {
    const createTaskRes = await fetch('https://api.capsolver.com/createTask', {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({
            clientKey: CAPSOLVER_API_KEY,
            task: {
                type: 'ReCaptchaV2TaskProxyless',
                websiteURL: pageUrl,
                websiteKey: sitekey
            }
        })
    });
    const createTask = await createTaskRes.json();
    if (!createTask.taskId) throw new Error(`CapSolver: Failed to create task: ${JSON.stringify(createTask)}`);

    let solution = null;
    while (true) {
        await new Promise(resolve => setTimeout(resolve, 2000));
        const resultRes = await fetch('https://api.capsolver.com/getTaskResult', {
            method: 'POST',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify({
                clientKey: CAPSOLVER_API_KEY,
                taskId: createTask.taskId
            })
        });
        const result = await resultRes.json();
        if (result.status === 'ready') {
            solution = result.solution.gRecaptchaResponse;
            break;
        }
        if (result.status === 'failed') throw new Error(`CapSolver: Failed to solve: ${JSON.stringify(result)}`);
    }
    if (!solution) throw new Error('CapSolver: Timeout waiting for solution');
    return solution;
}

(async () => {
    try {
        const browser = await puppeteer.connect({
            browserWSEndpoint: `wss://chrome-v2.browsercloud.io?token=${BROWSER_CLOUD_TOKEN}`
        });

        const page = await browser.newPage();
        await page.goto('https://recaptcha-demo.appspot.com/recaptcha-v2-checkbox.php', { waitUntil: 'networkidle2' });

        const sitekey = await page.$eval('.g-recaptcha', el => el.getAttribute('data-sitekey'));
        console.log('Sitekey:', sitekey);

        const solution = await solveCaptcha(sitekey, page.url());
        console.log('CAPTCHA solution:', solution);

        await page.evaluate(token => {
            const textarea = document.getElementById('g-recaptcha-response');
            if (textarea) {
                textarea.value = token;
                textarea.innerHTML = token;
                textarea.style.display = '';
                textarea.dispatchEvent(new Event('input', { bubbles: true }));
            }
        }, solution);

        const submitBtn = await page.$('body > main > form > fieldset > button');
        if (submitBtn) {
            await Promise.all([
                page.waitForNavigation({ waitUntil: 'networkidle2' }),
                submitBtn.click()
            ]);
            console.log('Submit button clicked!');
        } else {
            console.log('Submit button not found!');
        }

        console.log('Page content after submission:', await page.content());

        await browser.close();
    } catch (error) {
        console.error('Error:', error);
    }
})();