Files
pruchase_jhw/src/browser/manager.py
T
2026-06-11 23:04:52 +08:00

319 lines
13 KiB
Python

import asyncio
from collections import defaultdict
from pathlib import Path
from typing import Dict
from playwright.async_api import async_playwright, Playwright, BrowserContext
from loguru import logger
from surugaya_common.browser_profile import DEFAULT_USER_AGENT, LOCALE, TIMEZONE_ID, stealth_launch_args
from src.config.settings import get_settings
from src.config.accounts import AccountConfig, load_accounts_config
# 注入到所有页面的 JS 脚本,用于绕过 Cloudflare、Akamai 等自动化检测
STEALTH_JS = """
// 1. 隐藏 navigator.webdriver
Object.defineProperty(navigator, 'webdriver', {
get: () => undefined
});
// 2. 覆盖语言列表,优先日语(与目标地区一致)
Object.defineProperty(navigator, 'languages', {
get: () => ['ja-JP', 'ja', 'en-US', 'en']
});
// 3. 伪造 WebGL 渲染器信息,伪装为标准硬件
const getParameter = WebGLRenderingContext.prototype.getParameter;
WebGLRenderingContext.prototype.getParameter = function(parameter) {
// UNMASKED_VENDOR_WEBGL (37445)
if (parameter === 37445) {
return 'Intel Inc.';
}
// UNMASKED_RENDERER_WEBGL (37446)
if (parameter === 37446) {
return 'Intel(R) UHD Graphics';
}
return getParameter.apply(this, arguments);
};
// 4. 伪造设备规格
Object.defineProperty(navigator, 'hardwareConcurrency', { get: () => 8 });
Object.defineProperty(navigator, 'deviceMemory', { get: () => 8 });
// 5. 模拟完整插件列表(无头浏览器常见特征为空列表)
const mockPlugins = () => {
const makePlugin = (name, filename, description) => {
const p = Object.create(Plugin.prototype);
Object.defineProperties(p, {
name: { get: () => name },
filename: { get: () => filename },
description: { get: () => description },
length: { get: () => 0 }
});
return p;
};
const plugins = [
makePlugin("PDF Viewer", "internal-pdf-viewer", "Portable Document Format"),
makePlugin("Chrome PDF Viewer", "mhjfbgoacfdegokjbbpboihdaibdccjg", "Chrome PDF Viewer"),
makePlugin("Chromium PDF Viewer", "internal-pdf-viewer", "Chromium PDF Viewer")
];
const pList = Object.create(PluginArray.prototype);
Object.defineProperties(pList, {
length: { get: () => plugins.length },
item: { value: (index) => plugins[index] },
namedItem: { value: (name) => plugins.find(p => p.name === name) }
});
for (let i = 0; i < plugins.length; i++) {
Object.defineProperty(pList, i, { get: () => plugins[i] });
}
return pList;
};
Object.defineProperty(navigator, 'plugins', {
get: () => mockPlugins()
});
// 6. 模拟 window.chrome(无头浏览器通常没有,Cloudflare 会检测)
window.chrome = {
app: {
isInstalled: false,
InstallState: {
DISABLED: 'disabled',
INSTALLED: 'installed',
NOT_INSTALLED: 'not_installed'
},
RunningState: {
CANNOT_RUN: 'cannot_run',
READY_TO_RUN: 'ready_to_run',
RUNNING: 'running'
}
},
runtime: {
OnInstalledReason: {
CHROME_UPDATE: 'chrome_update',
INSTALL: 'install',
SHARED_MODULE_UPDATE: 'shared_module_update',
UPDATE: 'update'
},
OnRestartRequiredReason: {
APP_UPDATE: 'app_update',
OS_UPDATE: 'os_update',
PERIODIC: 'periodic'
},
PlatformArch: {
ARM: 'arm',
ARM64: 'arm64',
MIPS: 'mips',
MIPS64: 'mips64',
X86_32: 'x86-32',
X86_64: 'x86-64'
},
PlatformNaclArch: {
ARM: 'arm',
MIPS: 'mips',
MIPS64: 'mips64',
X86_32: 'x86-32',
X86_64: 'x86-64'
},
PlatformOs: {
ANDROID: 'android',
CROS: 'cros',
LINUX: 'linux',
MAC: 'mac',
OPENBSD: 'openbsd',
WIN: 'win'
},
RequestUpdateCheckStatus: {
NO_UPDATE: 'no_update',
THROTTLED: 'throttled',
UPDATE_AVAILABLE: 'update_available'
}
}
};
// 7. 模拟 Permissions 查询行为一致性
const originalQuery = window.navigator.permissions.query;
window.navigator.permissions.query = (parameters) => (
parameters.name === 'notifications' ?
Promise.resolve({ state: Notification.permission }) :
originalQuery(parameters)
);
"""
class BrowserManager:
"""
进程级浏览器池:为每个账号维护一个常驻的持久化浏览器上下文。
- 启动时可通过 prewarm() 为所有已配置账号预先拉起浏览器,任务到达时即开即用。
- 上下文跨任务复用;任务只负责开关自己的标签页(Page),不关闭浏览器。
- 上下文崩溃或被手动关闭时自动从池中剔除,下次获取时重新启动。
- 按账号隔离数据环境(user_data_dir),并注入反爬脚本以规避 Cloudflare、Akamai 等检测。
"""
def __init__(self) -> None:
self.settings = get_settings()
self._playwright: Playwright | None = None
self._contexts: Dict[str, BrowserContext] = {}
# 按账号维护启动锁,避免同一账号的 user_data_dir 被并发启动两次
self._launch_locks: Dict[str, asyncio.Lock] = defaultdict(asyncio.Lock)
async def prewarm(self) -> None:
"""
为所有已配置账号预启动常驻浏览器上下文。
单个账号启动失败不阻断其他账号,失败账号会在任务执行时自动重试启动。
"""
config = load_accounts_config()
accounts = [
account
for site_accounts in (config.sites.surugaya, config.sites.mercari, config.sites.yahoo)
for account in site_accounts
]
if not accounts:
logger.info("未配置任何站点账号,跳过浏览器预热。")
return
logger.info(f"正在预热浏览器,共 {len(accounts)} 个账号...")
for account in accounts:
try:
await self.get_context(account)
except Exception as e:
logger.error(
f"账号 '{account.account_id}' 浏览器预热失败(任务执行时将自动重试启动): {e}"
)
logger.success(f"浏览器预热完成,当前常驻上下文 {len(self._contexts)} 个。")
async def get_context(self, account: AccountConfig) -> BrowserContext:
"""
获取指定账号的常驻浏览器上下文:已存在且存活则直接复用,否则启动新实例。
上下文由本管理器统一持有,调用方不要关闭它,只需管理自己打开的 Page。
Args:
account: 包含 account_id、user_data_dir 及可选 proxy 的账号配置。
Returns:
BrowserContext: 该账号的常驻浏览器上下文。
"""
async with self._launch_locks[account.account_id]:
cached = self._contexts.get(account.account_id)
if cached is not None:
logger.debug(f"账号 '{account.account_id}' 复用常驻浏览器上下文。")
return cached
return await self._launch_context(account)
async def close_all(self) -> None:
"""
进程退出时关闭所有常驻上下文并停止 Playwright 驱动。
"""
for account_id, context in list(self._contexts.items()):
try:
await context.close()
logger.info(f"账号 '{account_id}' 的常驻浏览器上下文已关闭。")
except Exception as e:
logger.error(f"关闭账号 '{account_id}' 的浏览器上下文时出错: {e}")
self._contexts.clear()
if self._playwright:
try:
await self._playwright.stop()
except Exception as e:
logger.error(f"停止 Playwright 驱动时出错: {e}")
self._playwright = None
async def _get_playwright(self) -> Playwright:
"""惰性启动并复用进程内唯一的 Playwright 驱动。"""
if self._playwright is None:
self._playwright = await async_playwright().start()
return self._playwright
def _on_context_close(self, account_id: str) -> None:
"""上下文关闭(崩溃或被手动关掉)时从池中剔除,下次任务自动重启。"""
if self._contexts.pop(account_id, None) is not None:
logger.warning(
f"账号 '{account_id}' 的浏览器上下文已断开,已从常驻池移除,下次任务将自动重启浏览器。"
)
async def _launch_context(self, account: AccountConfig) -> BrowserContext:
"""
为指定账号启动持久化浏览器上下文并纳入常驻池。
"""
# 1. 解析并确保本地持久化目录存在
data_dir = Path(account.user_data_dir)
try:
data_dir.mkdir(parents=True, exist_ok=True)
# logger.debug(f"持久化用户数据目录: {data_dir.absolute()}")
except Exception as e:
logger.error(f"创建账号 '{account.account_id}' 的持久化目录失败: {e}")
raise e
# 2. 配置隐身 Chromium 启动参数(共享反检测参数 + 本进程追加项)
chrome_args = stealth_launch_args() + [
"--start-maximized", # 启动时全屏(最大化)
]
executable_path_raw = self.settings.browser_executable_path
executable_path = None
if executable_path_raw:
candidate_path = Path(executable_path_raw).expanduser()
if candidate_path.is_file():
executable_path = str(candidate_path)
logger.info(f"使用自定义浏览器可执行文件: {executable_path}")
else:
logger.warning(
f"配置的浏览器可执行文件无效,将使用 Playwright 默认浏览器: {executable_path_raw}"
)
headless_mode = self.settings.browser_headless
# 使用与 API 服务一致的 Windows Chrome User-Agent(共享指纹配置)
user_agent = DEFAULT_USER_AGENT
logger.info(f"正在为账号 {account.account_id} 启动 Playwright | 无头模式: {headless_mode}")
# 3. 按账号配置可选代理(服务器 IP 段绕过 Cloudflare 封锁时常用)
proxy_config = None
if account.proxy:
proxy_config = {"server": account.proxy}
logger.info(f"账号 '{account.account_id}' 已启用代理: {account.proxy}")
playwright_driver = await self._get_playwright()
try:
# 4. 使用隔离目录创建持久化上下文
launch_options = {
"user_data_dir": str(data_dir.absolute()),
"headless": headless_mode,
"args": chrome_args,
"user_agent": user_agent,
"no_viewport": True, # 配合 --start-maximized 使得网页视口也铺满全屏
"locale": LOCALE, # 区域语言一致(ja-JP)
"timezone_id": TIMEZONE_ID, # 日本本地时区(Asia/Tokyo)
"accept_downloads": True, # 允许自动下载(如需要)
"proxy": proxy_config # 住宅代理等
}
if executable_path:
launch_options["executable_path"] = executable_path
context = await playwright_driver.chromium.launch_persistent_context(**launch_options)
# 5. 注入高级反指纹隐身脚本
await context.add_init_script(STEALTH_JS)
# 6. 纳入常驻池,并监听关闭事件以便自愈重启
context.on("close", lambda: self._on_context_close(account.account_id))
self._contexts[account.account_id] = context
logger.success(f"账号 '{account.account_id}' 的常驻 Playwright 上下文启动成功。")
return context
except Exception as e:
logger.error(f"账号 '{account.account_id}' 启动持久化上下文失败: {e}")
# Playwright 驱动为进程共享,启动失败时仅向上抛出,不停止驱动
raise e
_browser_manager: BrowserManager | None = None
def get_browser_manager() -> BrowserManager:
"""
获取进程级 BrowserManager 单例,保证所有任务共享同一个浏览器池。
"""
global _browser_manager
if _browser_manager is None:
_browser_manager = BrowserManager()
return _browser_manager