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path: root/index.js
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const cookiesStorage = require('./cookies-storage')
const browser = require('./browser')
const os = require('os')
const path = require('path')

const argv = require('minimist')(process.argv.slice(2), {
    string: ['retries', 'timeout', 'cookies', 'port', 'proxy'],
    boolean: ['no-sandbox', 'headful'],
    stopEarly: true,
    default: {
        port: 3000,
        retries: 10,
        timeout: 30000,
        cookies: path.join(os.homedir(), '.rt-pupflare-cookies.json')
    }
})

const maxTryCount = parseInt(argv.retries)
const loadingTimeout = parseInt(argv.timeout)

const Koa = require('koa');
const Router = require('@koa/router');
const app = new Koa();
const router = new Router();


router.get('/request', async (ctx, next) => {
    if (!ctx.query.url)
        throw new Error('url not specified')

    const myResult = {
        binary: false,
        headers: [],
        data: ''
    };

    /*if (ctx.method === "POST") {
        await page.removeAllListeners('request');
        await page.setRequestInterception(true);
        page.on('request', interceptedRequest => {
            var data = {
                'method': 'POST',
                'postData': ctx.request.rawBody
            };
            interceptedRequest.continue(data);
        });
    }*/

    let myError = false
    await new Promise(async (resolve, reject) => {
        const page = await browser.getPage(
            (e) => e.isDownload === true,
            (response, headers) => {
                Object.assign(myResult, {
                    data: response.base64Encoded ? response.body : btoa(response.body),
                    binary: true,
                    headers
                })
                resolve()
            })

        try {
            let tryCount = 0
            let response = await page.goto(ctx.query.url, {
                timeout: loadingTimeout,
                waitUntil: 'domcontentloaded'
            })

            let body = await response.text()
            while ((body.includes("cf-browser-verification") || body.includes('cf-captcha-container')) && tryCount <= maxTryCount) {
                let newResponse = await page.waitForNavigation({
                    timeout: loadingTimeout,
                    waitUntil: 'domcontentloaded'
                });
                if (newResponse)
                    response = newResponse;
                body = await response.text();
                tryCount++;
            }

            myResult.data = await response.text()
            myResult.headers = await response.headers()

            resolve()
        } catch (error) {
            if (!error.toString().includes("ERR_BLOCKED_BY_CLIENT")) {
                ctx.status = 500
                ctx.body = error

                resolve()
            } else {
                myError = true
            }
        }
    })

    if (!myError)
        ctx.body = JSON.stringify(myResult)

    await next()
})
.get('/cookies', async (ctx, next) => {
    ctx.body = JSON.stringify(await cookiesStorage.get())
    await next()
});


(async () => {
    cookiesStorage.setFileName(argv.cookies)

    // console.log(argv)

    if (argv.proxy)
        browser.setProxy(argv.proxy)
    if (argv['no-sandbox'])
        browser.disableSandbox()
    if (argv.headful)
        browser.setHeadful()

    await browser.launch()

    app.use(router.routes())
        .use(router.allowedMethods())
    app.on('error', (error) => {
        console.error(error)
    })

    app.listen(parseInt(argv.port), '127.0.0.1')
})();