ProxySettings/selenium_chrome_auth.py at master · Python3WebSpider/ProxySettings · GitHub

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from selenium import webdriver
from selenium.webdriver.chrome.options import Options
import zipfile

ip = '127.0.0.1'
port = 9743
username = 'foo'
password = 'bar'

manifest_json = """
{
    "version": "1.0.0",
    "manifest_version": 2,
    "name": "Chrome Proxy",
    "permissions": [
        "proxy",
        "tabs",
        "unlimitedStorage",
        "storage",
        "<all_urls>",
        "webRequest",
        "webRequestBlocking"
    ],
    "background": {
        "scripts": ["background.js"]
    }
}
"""

background_js = """
var config = {
        mode: "fixed_servers",
        rules: {
          singleProxy: {
            scheme: "http",
            host: "%(ip)s",
            port: %(port)s
          }
        }
      }

chrome.proxy.settings.set({value: config, scope: "regular"}, function() {});

function callbackFn(details) {
    return {
        authCredentials: {
            username: "%(username)s",
            password: "%(password)s"
        }
    }
}

chrome.webRequest.onAuthRequired.addListener(
            callbackFn,
            {urls: ["<all_urls>"]},
            ['blocking']
)
""" % {'ip': ip, 'port': port, 'username': username, 'password': password}

plugin_file = 'proxy_auth_plugin.zip'
with zipfile.ZipFile(plugin_file, 'w') as zp:
    zp.writestr("manifest.json", manifest_json)
    zp.writestr("background.js", background_js)
chrome_options = Options()
chrome_options.add_argument("--start-maximized")
chrome_options.add_extension(plugin_file)
browser = webdriver.Chrome(chrome_options=chrome_options)
browser.get('http://httpbin.org/get')