Proxies for browser automation

import { chromium } from "playwright";

const SKIP = new Set(["image", "media", "font"]);
const RUN = Date.now().toString(36).slice(-6); // short run hash: letters and digits

// One context per worker: its own sticky session, exit IP and cookies.
async function contextFor(browser, worker, country = "DE") {
  const context = await browser.newContext({
    proxy: {
      server: "http://scale-eu.netdash.io:2000",
      username: `${process.env.NETDASH_USERNAME}-cc-${country}-session-w${worker}${RUN}-ttl-30`,
      password: process.env.NETDASH_PASSWORD,
      bypass: "staging.example.com", // hosts you operate don't need an exit IP
    },
  });
  await context.route("**/*", (route) =>
    SKIP.has(route.request().resourceType()) ? route.abort() : route.continue(),
  );
  return context;
}

const browser = await chromium.launch();
await Promise.all([0, 1, 2].map(async (worker) => {
  const context = await contextFor(browser, worker);
  const page = await context.newPage();
  await page.goto("https://api.ipify.org?format=json", { timeout: 30_000 });
  console.log(`worker ${worker}:`, await page.textContent("body"));
  await context.close();
}));
await browser.close();

import puppeteer from "puppeteer";

const SKIP = new Set(["image", "media", "font"]);

// One browser context per session; credentials go to page.authenticate().
async function pageFor(browser, sid, country = "DE") {
  const context = await browser.createBrowserContext({
    proxyServer: "http://scale-eu.netdash.io:2000",
    proxyBypassList: ["staging.example.com"],
  });
  const page = await context.newPage();
  await page.authenticate({
    username: `${process.env.NETDASH_USERNAME}-cc-${country}-session-${sid}-ttl-30`,
    password: process.env.NETDASH_PASSWORD,
  });
  await page.setRequestInterception(true);
  page.on("request", (request) => {
    if (request.isInterceptResolutionHandled()) return;
    if (SKIP.has(request.resourceType())) request.abort();
    else request.continue();
  });
  page.setDefaultNavigationTimeout(30_000);
  return page;
}

const browser = await puppeteer.launch();
const page = await pageFor(browser, "w0k9x2m1");
await page.goto("https://api.ipify.org?format=json");
console.log(await page.$eval("body", (el) => el.textContent));
await browser.close();