Intercept sockets using playwright with dev console trick.

from playwright.sync_api import sync_playwright
import time
import re
import sys
import argparse
from PIL import Image
import os
import PIL
import glob
from urllib.parse import urlparse
parser = argparse.ArgumentParser()

goHeadless = False

with sync_playwright() as p:
  browser_types = {
      "chrome": p.chromium,
  }

  emulations    = {
      '3-laptop': '1280x1024',
  }

  for browser_type in browser_types:
      for emulation in emulations:
          browser = browser_types[browser_type].launch(headless=goHeadless)

          try:
              if isinstance(emulations[emulation], str):
                  splittedEmulation = emulations[emulation].split('x')
                  context = browser.new_context(viewport={'width': int(splittedEmulation[0]), 'height': int(splittedEmulation[1])})
              else:
                  context = browser.new_context(**emulations[emulation])
          except Exception as e:
              print(e)
              continue

          page = context.new_page()
          for url in sys.argv:
              if (url == sys.argv[0]):
                  continue;
              print(url)
              page.goto(url)
              players = page.evaluate("""
() => {
var players = []
let s = WebSocket.prototype.send;
WebSocket.prototype.send = function(json) {
    if (!this._oh) {
    this._oh = 1;
    this.addEventListener('message', function(e) {
        if (b.msg == 'added') {
            players.push(e.data);
        }
    });
}

  return s.apply(this, arguments);
};

return players;
}
""")
              print(players)

            browser.close()