Puppeteer proxy authentication with a username and password

import puppeteer from "puppeteer";
import { randomBytes } from "node:crypto";

const browser = await puppeteer.launch();
for (const job of ["account-1", "account-2", "account-3"]) {
  // each context has its own proxy and session token: its own IP, held for 30 minutes
  const context = await browser.createBrowserContext({
    proxyServer: "http://gw.ludaxproxy.com:7777",
  });
  const token = randomBytes(4).toString("hex");
  const page = await context.newPage();
  await page.authenticate({
    username: "resi-lx_k3m9q2p7xa",
    password: `YOUR_PASSWORD-session-${token}-time-30-country-us`,
  });
  await page.goto("https://api.ludaxproxy.com/whoami");
  console.log(job, JSON.parse(await page.$eval("body", (body) => body.innerText)).ip);
  await context.close();
}
await browser.close();

import puppeteer from "puppeteer";

// an IP in Munich, and a browser that looks local: German language, Berlin time
const browser = await puppeteer.launch({
  args: ["--proxy-server=http://gw.ludaxproxy.com:7777", "--lang=de-DE"],
});
const page = await browser.newPage();
await page.authenticate({
  username: "resi-lx_k3m9q2p7xa",
  password: "YOUR_PASSWORD-session-muc01-time-30-country-de-state-by-city-munich",
});
await page.emulateTimezone("Europe/Berlin");
await page.setExtraHTTPHeaders({ "Accept-Language": "de-DE,de;q=0.9" });

await page.goto("https://api.ludaxproxy.com/whoami");
console.log(await page.$eval("body", (body) => body.innerText));
console.log(await page.evaluate(() => [navigator.language, Intl.DateTimeFormat().resolvedOptions().timeZone]));
await browser.close();

import puppeteer from "puppeteer";

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

const browser = await puppeteer.launch({
  args: ["--proxy-server=http://gw.ludaxproxy.com:7777"],
});
const page = await browser.newPage();
await page.authenticate({
  username: "resi-lx_k3m9q2p7xa",
  password: "YOUR_PASSWORD-session-wiki01-time-10-country-us",
});
// images, fonts and video never leave the browser, so they never count against your GB
await page.setRequestInterception(true);
page.on("request", (request) =>
  SKIP.has(request.resourceType()) ? request.abort() : request.continue(),
);

await page.goto("https://en.wikipedia.org/wiki/Proxy_server");
console.log(await page.title());
await browser.close();

import puppeteer from "puppeteer";

// open a URL through Ludax: retry a dropped exit (502), stop at once on a refused login
async function open(page, url, tries = 3) {
  for (let attempt = 1; ; attempt++) {
    try {
      const response = await page.goto(url, { timeout: 30000 });
      // a refused login is not an exception: the page loads with status 407
      if (response?.status() === 407) throw new Error("407: check the username and password");
      return response;
    } catch (error) {
      const dropped = error.message.includes("ERR_TUNNEL_CONNECTION_FAILED");
      if (!dropped || attempt === tries) throw error;
      await new Promise((resolve) => setTimeout(resolve, 1000 * 2 ** (attempt - 1)));
    }
  }
}

const browser = await puppeteer.launch({
  args: ["--proxy-server=http://gw.ludaxproxy.com:7777"],
});
const page = await browser.newPage();
await page.authenticate({ username: "resi-lx_k3m9q2p7xa", password: "YOUR_PASSWORD-country-us" });
await open(page, "https://api.ludaxproxy.com/whoami");
console.log(await page.$eval("body", (body) => body.innerText));
await browser.close();

npm install puppeteer puppeteer-extra puppeteer-extra-plugin-stealth

import puppeteer from "puppeteer-extra";
import StealthPlugin from "puppeteer-extra-plugin-stealth";

puppeteer.use(StealthPlugin());

// the proxy works the same way with puppeteer-extra: a flag, then authenticate()
const browser = await puppeteer.launch({
  args: ["--proxy-server=http://gw.ludaxproxy.com:7777"],
});
const page = await browser.newPage();
await page.authenticate({
  username: "resi-lx_k3m9q2p7xa",
  password: "YOUR_PASSWORD-session-st01-time-30-country-us",
});
await page.goto("https://api.ludaxproxy.com/whoami");
console.log(await page.$eval("body", (body) => body.innerText));
await browser.close();