rt-pupflare/index.js
2022-03-15 00:48:20 +03:00

139 lines
3.8 KiB
JavaScript

const cookiesStorage = require('./cookies-storage')
const browser = require('./browser')
const {singlePageWrapper, PageWrapper} = 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', 'reuse'],
stopEarly: true,
default: {
port: 3000,
retries: 10,
timeout: 30000,
cookies: path.join(os.homedir(), '.rt-pupflare-cookies.json'),
reuse: false,
}
})
let reusePage = argv.reuse
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();
async function requestHandler(ctx, next) {
if (!ctx.query.url)
throw new Error('url not specified')
const myResult = {
binary: false,
headers: [],
data: ''
}
let responseSet = false
let pageWrapper = null
await new Promise(async (resolve, reject) => {
const fInterceptionNeeded = (e) => e.isDownload === true
const fInterception = (response, headers) => {
Object.assign(myResult, {
data: response.base64Encoded ? response.body : btoa(response.body),
binary: true,
headers
})
resolve()
}
pageWrapper = reusePage ? singlePageWrapper : new PageWrapper()
const page = await pageWrapper.getPage(fInterceptionNeeded, fInterception)
// not tested
if (ctx.method === "POST") {
await page.removeAllListeners('request')
await page.setRequestInterception(true)
page.on('request', interceptedRequest => {
interceptedRequest.continue({
'method': 'POST',
'postData': ctx.request.rawBody
})
})
}
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
responseSet = true
resolve()
}
}
})
if (!responseSet)
ctx.body = JSON.stringify(myResult)
if (!reusePage)
pageWrapper.page.close()
await next()
}
router
.get('/request', requestHandler)
.post('/request', requestHandler)
.get('/cookies', async (ctx, next) => {
ctx.body = JSON.stringify(await cookiesStorage.get())
await next()
});
(async () => {
cookiesStorage.setFileName(argv.cookies)
await browser.launch({
proxy: argv.proxy ?? null,
noSandbox: argv['no-sandbox'] ?? false,
headful: argv.headful ?? false,
})
app.use(router.routes())
.use(router.allowedMethods())
app.on('error', (error) => {
console.error('[app.onerror]', error)
})
app.listen(parseInt(argv.port), '127.0.0.1')
})();