stealth.py
4.16 KB
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"""反检测 JS 注入 + Chrome 启动参数，对应 go-rod/stealth。"""
# 真实 Chrome UA（固定版本，避免每次随机导致指纹不一致）
REALISTIC_UA = (
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) "
"AppleWebKit/537.36 (KHTML, like Gecko) "
"Chrome/131.0.0.0 Safari/537.36"
)
# 反检测 JS 脚本：在页面加载时注入
STEALTH_JS = """
(() => {
// 1. navigator.webdriver
Object.defineProperty(navigator, 'webdriver', {
get: () => undefined,
configurable: true,
});
// 2. chrome.runtime
if (!window.chrome) {
window.chrome = {};
}
if (!window.chrome.runtime) {
window.chrome.runtime = {
connect: () => {},
sendMessage: () => {},
};
}
// 3. plugins
Object.defineProperty(navigator, 'plugins', {
get: () => {
return [
{
0: {type: 'application/x-google-chrome-pdf'},
description: 'Portable Document Format',
filename: 'internal-pdf-viewer',
length: 1,
name: 'Chrome PDF Plugin',
},
{
0: {type: 'application/pdf'},
description: '',
filename: 'mhjfbmdgcfjbbpaeojofohoefgiehjai',
length: 1,
name: 'Chrome PDF Viewer',
},
{
0: {type: 'application/x-nacl'},
description: '',
filename: 'internal-nacl-plugin',
length: 1,
name: 'Native Client',
},
];
},
configurable: true,
});
// 4. languages
Object.defineProperty(navigator, 'languages', {
get: () => ['zh-CN', 'zh', 'en-US', 'en'],
configurable: true,
});
// 5. permissions
const originalQuery = window.navigator.permissions?.query;
if (originalQuery) {
window.navigator.permissions.query = (parameters) =>
parameters.name === 'notifications'
? Promise.resolve({ state: Notification.permission })
: originalQuery(parameters);
}
// 6. WebGL vendor/renderer
const getParameter = WebGLRenderingContext.prototype.getParameter;
WebGLRenderingContext.prototype.getParameter = function(parameter) {
if (parameter === 37445) return 'Intel Inc.';
if (parameter === 37446) return 'Intel Iris OpenGL Engine';
return getParameter.call(this, parameter);
};
// 7. hardwareConcurrency — 随机 4 或 8
Object.defineProperty(navigator, 'hardwareConcurrency', {
get: () => [4, 8][Math.floor(Math.random() * 2)],
configurable: true,
});
// 8. deviceMemory — 随机 4 或 8
Object.defineProperty(navigator, 'deviceMemory', {
get: () => [4, 8][Math.floor(Math.random() * 2)],
configurable: true,
});
// 9. navigator.connection — 伪造网络信息
Object.defineProperty(navigator, 'connection', {
get: () => ({
effectiveType: '4g',
downlink: 10,
rtt: 50,
saveData: false,
}),
configurable: true,
});
// 10. chrome.csi / chrome.loadTimes — 空函数伪装
if (window.chrome) {
window.chrome.csi = function() { return {}; };
window.chrome.loadTimes = function() { return {}; };
}
// 11. outerWidth/outerHeight — 与 innerWidth/innerHeight 对齐
Object.defineProperty(window, 'outerWidth', {
get: () => window.innerWidth,
configurable: true,
});
Object.defineProperty(window, 'outerHeight', {
get: () => window.innerHeight,
configurable: true,
});
})();
"""
# Chrome 启动参数（反检测相关）
STEALTH_ARGS = [
"--disable-blink-features=AutomationControlled",
"--disable-infobars",
"--no-first-run",
"--no-default-browser-check",
"--disable-background-timer-throttling",
"--disable-backgrounding-occluded-windows",
"--disable-renderer-backgrounding",
"--disable-component-update",
"--disable-extensions",
"--disable-sync",
]