无账号密码使用 Selenium 实现 HTTP 代理

import time

from selenium import webdriver
from selenium.webdriver.chrome.service import Service

# 设置代理IP
proxy_ip = "127.0.0.1"
proxy_port = "1080"

# 配置浏览器选项
chrome_options = webdriver.ChromeOptions()
chrome_options.add_argument('--proxy-server=http://{}:{}'.format(proxy_ip, proxy_port))

# 启动浏览器
chrome_service = Service("./chromedriver.exe")
driver = webdriver.Chrome(service=chrome_service, options=chrome_options)

# 访问百度官网
driver.get('https://www.baidu.com')

# 在这里执行你的操作，比如查找元素、输入搜索关键词等
time.sleep(30)

# 关闭浏览器
driver.quit()

selenium添加代理（有账号密码）

Selenium-Chrome-HTTP-Private-Proxy HTTP 代理解决方案

• 默认情况下，Chrome的--proxy-server="http://ip:port"参数不支持设置用户名和密码认证。因此"Selenium + Chrome Driver"无法使用HTTP Basic Authentication的HTTP代理。一种变通的方式就是采用IP地址认证，但在国内网络环境下，大多数用户都采用ADSL形式网络接入，IP是变化的，也无法采用IP地址绑定认证。因此迫切需要找到一种让Chrome自动实现HTTP代理用户名密码认证的方案。
• Stackoverflow上有人分享了一种利用Chrome插件实现自动代理用户密码认证的方案非常不错，详细地址：http://stackoverflow.com/questions/9888323/how-to-override-basic-authentication-in-selenium2-with-java-using-chrome-driver
• 鲲之鹏的技术人员在此思路的基础上用Python实现了自动化的Chrome插件创建过程，即根据指定的代理“username:password@ip:port”自动创建一个Chrome代理插件，然后可以在"Selenium + Chrome Driver"中通过安装该插件实现代理配置功能（插件地址：https://github.com/RobinDev/Selenium-Chrome-HTTP-Private-Proxy）

如何实现

• 1、访问插件地址下载插件，放在项目目录中供使用
• 2、编写代码

import time
import string
import zipfile
from selenium import webdriver
from selenium.webdriver.chrome.options import Options
from selenium.webdriver.chrome.service import Service


def create_proxyauth_extension(proxy_host, proxy_port, proxy_username, proxy_password, scheme='http', plugin_path=None):
    """Proxy Auth Extension
    args:
        proxy_host (str): domain or ip address, ie proxy.domain.com
        proxy_port (int): port
        proxy_username (str): auth username
        proxy_password (str): auth password
    kwargs:
        scheme (str): proxy scheme, default http
        plugin_path (str): absolute path of the extension
    return str -> plugin_path
    """
    if plugin_path is None:
        plugin_path = 'Selenium-Chrome-HTTP-Private-Proxy.zip'
    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"]
        },
        "minimum_chrome_version":"22.0.0"
    }
    """
    background_js = string.Template(
        """
        var config = {
                mode: "fixed_servers",
                rules: {
                  singleProxy: {
                    scheme: "${scheme}",
                    host: "${host}",
                    port: parseInt(${port})
                  },
                  bypassList: ["foobar.com"]
                }
              };
        chrome.proxy.settings.set({value: config, scope: "regular"}, function() {});
        function callbackFn(details) {
            return {
                authCredentials: {
                    username: "${username}",
                    password: "${password}"
                }
            };
        }
        chrome.webRequest.onAuthRequired.addListener(
                    callbackFn,
                    {urls: ["<all_urls>"]},
                    ['blocking']
        );
        """
    ).substitute(
        host=proxy_host,
        port=proxy_port,
        username=proxy_username,
        password=proxy_password,
        scheme=scheme,
    )
    with zipfile.ZipFile(plugin_path, 'w') as zp:
        zp.writestr("manifest.json", manifest_json)
        zp.writestr("background.js", background_js)

    return plugin_path


def configure_headless_browser(proxy_config):
    chrome_options = Options()
    chrome_options.add_argument("--start-maximized")
    proxyauth_plugin_path = create_proxyauth_extension(
        proxy_host=proxy_config[0],
        proxy_port=proxy_config[1],
        proxy_username=proxy_config[2],
        proxy_password=proxy_config[3]
    )
    chrome_options.add_extension(proxyauth_plugin_path)
    # 浏览器驱动路径
    executable_path = './chromedriver.exe'
    service = Service(executable_path=executable_path)
    return webdriver.Chrome(options=chrome_options,service=service)


# 设置代理IP：分别填入代理ip，端口，账号，密码
proxy_config = ["xxx", "xxx", "xxx", "xxx"]

driver = configure_headless_browser(proxy_config)
driver.get('http://httpbin.org/ip')

time.sleep(3)
print(driver.page_source)
driver.quit()