fingerprint.py•5.62 kB
"""
浏览器指纹管理模块
"""
import os
import platform
import random
from datetime import datetime
from typing import Dict, Any, Tuple
from common.types import FingerprintConfig
# 设备配置
try:
from playwright.async_api import devices as playwright_devices
except ImportError:
# 在某些版本的playwright中，devices在不同的位置
try:
from playwright import devices as playwright_devices
except ImportError:
# 如果都无法导入，我们定义自己的设备配置
playwright_devices = {
"Desktop Chrome": {
"user_agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
"viewport": {"width": 1920, "height": 1080},
"device_scale_factor": 1,
"is_mobile": False,
"has_touch": False
},
"Desktop Edge": {
"user_agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36 Edg/120.0.0.0",
"viewport": {"width": 1920, "height": 1080},
"device_scale_factor": 1,
"is_mobile": False,
"has_touch": False
},
"Desktop Firefox": {
"user_agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:120.0) Gecko/20100101 Firefox/120.0",
"viewport": {"width": 1920, "height": 1080},
"device_scale_factor": 1,
"is_mobile": False,
"has_touch": False
},
"Desktop Safari": {
"user_agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.0 Safari/605.1.15",
"viewport": {"width": 1920, "height": 1080},
"device_scale_factor": 1,
"is_mobile": False,
"has_touch": False
}
}
def get_host_machine_config(user_locale: str = None) -> FingerprintConfig:
"""
获取宿主机器的实际配置
Args:
user_locale: 用户指定的区域设置（如果有）
Returns:
基于宿主机器的指纹配置
"""
# 获取系统区域设置
system_locale = user_locale or os.getenv("LANG", "zh-CN")
# 获取系统时区
# Python 不直接提供时区信息，但可以通过时区偏移量推断
import time
timezone_offset = -time.timezone // 60 # 转换为分钟，与UTC的差值，负值表示东区
timezone_id = "Asia/Shanghai" # 默认使用上海时区
# 根据时区偏移量粗略推断时区
# 时区偏移量是以分钟为单位，与UTC的差值，负值表示东区
if -600 < timezone_offset <= -480:
# UTC+8 (中国、新加坡、香港等)
timezone_id = "Asia/Shanghai"
elif timezone_offset <= -540:
# UTC+9 (日本、韩国等)
timezone_id = "Asia/Tokyo"
elif -480 < timezone_offset <= -420:
# UTC+7 (泰国、越南等)
timezone_id = "Asia/Bangkok"
elif -60 < timezone_offset <= 0:
# UTC+0 (英国等)
timezone_id = "Europe/London"
elif 0 < timezone_offset <= 60:
# UTC-1 (欧洲部分地区)
timezone_id = "Europe/Berlin"
elif 240 < timezone_offset <= 300:
# UTC-5 (美国东部)
timezone_id = "America/New_York"
# 检测系统颜色方案
# Python 无法直接获取系统颜色方案，使用合理的默认值
# 可以根据时间推断：晚上使用深色模式，白天使用浅色模式
hour = datetime.now().hour
color_scheme = "dark" if hour >= 19 or hour < 7 else "light"
# 其他设置使用合理的默认值
reduced_motion = "no-preference" # 大多数用户不会启用减少动画
forced_colors = "none" # 大多数用户不会启用强制颜色
# 选择一个合适的设备名称
# 根据操作系统选择合适的浏览器
platform_name = platform.system().lower()
device_name = "Desktop Chrome" # 默认使用Chrome
if platform_name == "darwin":
# macOS
device_name = "Desktop Safari"
elif platform_name == "windows":
# Windows
device_name = "Desktop Edge"
elif platform_name == "linux":
# Linux
device_name = "Desktop Firefox"
# 我们使用的Chrome
device_name = "Desktop Chrome"
return FingerprintConfig(
device_name=device_name,
locale=system_locale,
timezone_id=timezone_id,
color_scheme=color_scheme,
reduced_motion=reduced_motion,
forced_colors=forced_colors
)
def get_device_config(saved_state_fingerprint=None) -> Tuple[str, Dict[str, Any]]:
"""获取随机设备配置或使用保存的配置"""
# 只使用桌面设备列表
device_list = [
"Desktop Chrome",
"Desktop Edge",
"Desktop Firefox",
"Desktop Safari"
]
if (saved_state_fingerprint and
saved_state_fingerprint.device_name and
saved_state_fingerprint.device_name in playwright_devices):
# 使用保存的设备配置
return saved_state_fingerprint.device_name, playwright_devices[saved_state_fingerprint.device_name]
else:
# 随机选择一个设备
random_device = random.choice(device_list)
return random_device, playwright_devices[random_device]
def get_random_delay(min_val: int, max_val: int) -> int:
"""获取随机延迟时间"""
return random.randint(min_val, max_val)