Playwright爬虫框架入门
Playwright介绍
playwright官方文档
Playwright是一个用于自动化浏览器操作的开源工具,由Microsoft开发和维护,支持多种浏览器和多种编程语言,可以用于测试、爬虫、自动化任务等场景。
Playwright是基于WebSocket协议的,可以使双向通信的数据交换效率更高,可以更快地获取页面内容和执行操作。
Playwright最大的特点就是,可见即可得,缺陷是,不灵活,没有requests的效率高。
playwright在爬虫的应用
- 动态的网页爬取
- 多浏览器支持
- 更高的稳定性和可靠性
总之,playwright是一个功能强大、跨浏览器、跨平台的浏览器的自动化工具,相比selenium,它具有更快的执行速度,更高的稳定性和更广泛的浏览器支持,适用于多种自动化操作和爬虫场景。
Python版的playwright安装
python的环境要求,要Python3.8或者更高版本;操作系统win10以上。
1.模块安装
pip install pytest-playwright -i https://pypi.tuna.tsinghua.edu.cn/simple/
2.安装playwright所需的工具插件和所支持的浏览器
playwright install
安装的过程时间比较久。
playwright的应用
所谓屏幕录制,就是可以将用户的操作,生成对应的代码,但一般情况不会用屏幕录制,大多数还是手写代码。
屏幕录制
1.首先在项目的根目录下,创建一个main.py
的文件
默认操作
2.在终端中执行以下命令:
playwright codegen -o main.py
执行以上代码,就会自动打开浏览器,浏览器打开之后,就可以人为的进行各种操作,等操作结束完毕之后,关闭浏览器窗口,那么之前的操作就会被记录下来,并且自动生成对应的行为代码,在main.py
文件中。
访问指定网址,并且设置浏览器的窗口大小
2.在终端下执行以下命令:
playwright codegen --viewport-size=800,600 www.baidu.com -o main.py
codegen
# 启动屏幕录制功能
--viewport-size=800,600
# 指定要打开的窗口大小
www.baidu.com
# 指定要打开的网址
然后会调出编码工具(Playwright Inspector),这个编码工具可以实时的生成人为操作对应的代码。然后点击Target
选项,选择Library Async
。
Target
选项 默认是Library
,表示同步;Library Async
则表示异步。
如果用户的操作完毕后,可以点击Record
停止采集选项,然后关闭窗口即可。
模拟手机设备进行网络请求(只支持手机模拟器,无需单独安装)
2.在终端执行以下命令:
playwright codegen --device="iPhone 13" -o main.py
使用iPhone 13
模拟设备启动浏览器,目前对安卓设备的兼容性不高。
保留记录cookie信息
扫码登录的cookie也可以保存。
登录网址,保存cookie信息
在终端中执行以下命令:
playwright codegen --save-storage=auth.json https://www.17k.com
在屏幕录制时候,进行登录操作,登录后,cookie信息会被保存到auth.json文件中。
auth.json
自定义文件名,必须要是json文件,而这个文件事先可存在可不存在
https://www.17k.com
目标网址
在执行这个页面后,打开登录的页面,人为的在登录页面中,输入账号密码,点击登录,登录成功后,再把窗口关闭掉,此时,在项目的目录下就会新生成auth.json
文件。
使用cookie信息,免登录打开网址
在终端中执行以下命令:
playwright codegen --load-storage=auth.json https://www.17k.com -o main.py
基于auth.json进行屏幕录制,会自动进入到登录成功后的页面中。
执行完上述命令后,就会打开已经登录好的目标网站。
第一个Playwright脚本
同步模式
一般同步模式比较常用
from playwright.sync_api import sync_playwright # 1.同步模块# 2.创建一个Playwright的管理器对象
with sync_playwright() as p:# 3.基于p创建一个浏览器对象(谷歌浏览器)bro = p.chromium.launch(headless=False) # headless为False,浏览器窗口可见# 4.创建一个浏览器页面page = bro.new_page()# 5.在指定页面中进行请求发送page.goto("https://www.baidu.com")# 6.暂停2秒中page.wait_for_timeout(2000)# 7.获取访问页面的标题,也就是句柄title = page.title()# 8.(重要)获取页面的源码数据,来实现可见即可得page_text = page.content()# 9.可以尝试打印页面源码,标题# print(page_text,title)# 10.关闭释放浏览器资源page.close()bro.close()
异步模式
import asyncio
from playwright.async_api import async_playwright # 导入异步模块# 封装一个特殊的函数
async def main():# 创建一个Playwright的管理器对象async with sync_playwright() as p: # 跟page相关的,都要加上await# 基于p创建一个浏览器对象(谷歌浏览器)bro = await p.chromium.launch(headless=False) # headless为False,浏览器窗口可见# 创建一个浏览器页面page = await bro.new_page()# 在指定页面中进行请求发送await page.goto("https://www.baidu.com")# 暂停2秒中await page.wait_for_timeout(2000)# 获取访问页面的标题,也就是句柄title = await page.title()# (重要)获取页面的源码数据,来实现可见即可得page_text = await page.content()# 可以尝试打印页面源码,标题# print(page_text,title)# 关闭释放浏览器资源await page.close()await bro.close()# 将自定义函数,放在事件循环中运行
asyncio.run(main())
元素定位
css选择器定位
定位操作
page.locator()
: 可以选择标签/id/层级/class/xpath表达式
的选择器
交互操作
click()
:点击元素
fill()
: 元素内输入文本
from playwright.sync_api import sync_playwright
with sync_playwright() as p:# slow_mo : 表示可以指定全局等待时间,上一个行为动作和下一个行为动作的间隔时间bro = p.chromium.launch(headless=False,slow_mo=1000)page = bro.new_page()page.goto("https://www.baidu.com")# '#'表示id选择器page.locator('#kw').fill('Python教程') # 定位到输入框的元素,输入“Python教程”page.locator('#su').click() # 定位到搜素按钮,然后点击page.go_back() # 回退# '.'表示class选择器page.locator('.s_ipt').fill('爬虫') # 定位到输入框的元素,输入“爬虫”page.locator('input.bg').click() # 定位到搜素按钮,然后点击 input标签下的bgpage.locator('input#kw').fill('人工智能') # 标签+属性定位page.locator('#su').click()page.go_back()page.locator('#form > span > input#kw').fill('数据分析') # 层级定位page.locator('#su').click()# 关闭page.close()bro.close()
输入文本的时候,一个字符一个字符输入的方式
from playwright.sync_api import sync_playwright
with sync_playwright() as p:bro = p.chromium.launch(headless=False)page = bro.new_page()page.goto("https://www.baidu.com")# 模拟人的行为,实现一个字符一个字符的输入input_tag = page.locator('#kw').press_sequentially("hello world",delay=500)page.locator('#su').click()# 关闭page.close()bro.close()
# 模拟人的行为,实现一个字符一个字符的输入 方式二input_tag = page.locator('#kw') # 1.定位到标签input_tag.focus() # 2.光标聚焦到标签当前text = "hello world" # 3.准备要录入的字符for char in text:page.keyboard.type(char,delay=500) # 4.每500ms从键盘上录入一个字符
更多操作
locator.all()
: 获取满足条件下所有标签
locator.count()
: 获取满足条件的标签数量
locator.nth(index)
: 根据索引,获取指定的子元素
inner_text()
: 获取该标签下的所有文本内容
get_by_text('文本信息')
: 根据文本定位到元素
get_attribute('属性名')
: 获取该标签下的指定属性值
案例体现
需求分析:
打开淘宝,搜索商品,登录账号,获取搜索全部商品的信息
首先,先执行以下命令:
playwright codegen --save-storage=taobao.json https://www.taobao.com
然后人为的手动登录以下,登录成功后,本地文件就会多出taobao.json
文件。注意,cookie会过期,所以隔一段时间,要重新获取cookie。
然后编写以下代码:
# main.py文件
from playwright.sync_api import sync_playwrightwith sync_playwright() as p:bro = p.chromium.lauch(headless=False,slow_mo=2000)# 1.创建一个context对象 先去taobao.json文件中读取cookiecontext = bro.new_context(storage_state='taobao.json')page = context.new_page() # 2.此时创建的页面,就携带cookiepage.goto("https://www.taobao.com")page.locator("input@q").fill('mac pro') # 在输入框中输入 mac propage.locator('button.btn-search').click() # 点击搜素按钮# page.wait_for_timeout(4000) # 延迟4秒# 根据文本定位page.get_by_text('发货地').click()page.wait_for_timeout(1000)# 定位到满足要求的所有标签(商品列表最外层的a标签)locator = page.locator('.Content--contentInner--QVTcU0M > div >a') # 一次性定位到多个a标签all_eles = locator.all() # 保存多个a标签,列表# 查看定位到满足要求的标签的数量count = locator.count()print("count: ",count)# 定位到第10个a标签,nth下标从0开始a_10 = locator.nth(9)# get_attribute() 取属性值# inner_text() 取对象所有的文本内容print(a_10.get_attribute('href'),a_10.inner_text())print('-'*50)# 获取每一行a标签中的文本内容和href属性值for index in range(count):ele = locator.nth(index)text = ele.inner_text()href = ele.get_attribute('href')print(text,href)page.close()context.close()bro.close()
此时,这样自动化登录,就可以跨过登录了,然后就可以获取到内容了。
context管理器对象
浏览器的上下文管理器对象(context)可以用于管理context打开/创建多个page的页面。并且可以创建多个context对象,那么不同的context对象打开/创建的page之间是相互隔离的,即每个context上下文都有自己的cookie、浏览器存储和浏览历史记录。
层级关系
sync_playwright对象
用来创建浏览器对象
浏览器对象
创建context管理器对象
context管理器对象
创建page页面
也可以用
浏览器对象
直接创建page页面
简明的说就是:
sync_playwright > 浏览器对象 > context管理器对象 > page页面
或者
sync_playwright > 浏览器对象 > page页面
案例体现
获取多个page页面的数据
访问百度,点击百度中的多个链接,获取多个页面的数据
from playwright.sync_api import sync_playwright# 点击百度首页中左上角的全部链接,以打开多个不同的page页面
with sync_playwright() as p:# 创建浏览器对象bro = p.chromium.lauch(headless=False,slow_mo=1000)# 创建上下文管理器对象contextcontext = bro.new_context()# 基于context对象打开一个page页面page = context.new_page()# 访问页面 百度page.goto("https://www.baidu.com")# 点击百度首页左上角的全部链接,以打开多个不同的页面a_list = page.locator('//[@id="s-top-left"]/a').all()for a in a_list: # 遍历每一个链接a.click() # 分别点击# 使用context对象获取浏览器打开的所有page页面pages =context.pagesfor sub_page in pages: # 遍历每一个page# 打印其page标题print(sub_page.title())# 关闭连接page.close()bro.close()
多个page页面的切换
访问百度,点击百度中的多个链接,然后再多个页面进行切换
from playwright.sync_api import sync_playwright# 封装页面切换的函数
def switch_to_page(context,page):for page in context.pages: # 遍历每一个页面if title == page.title(): # 通过页面标题(page)来切换页面# bring_to_front() 浏览器停留在此page页面page.bring_to_front()return page# 点击百度首页中左上角的全部链接,以打开多个不同的page页面
with sync_playwright() as p:# 创建浏览器对象bro = p.chromium.lauch(headless=False,slow_mo=1000)# 创建上下文管理器对象contextcontext = bro.new_context()# 基于context对象打开一个page页面page = context.new_page()# 访问页面 百度page.goto("https://www.baidu.com")# 点击百度首页左上角的全部链接,以打开多个不同的页面a_list = page.locator('//[@id="s-top-left"]/a').all()for a in a_list: # 遍历每一个链接a.click() # 分别点击# 使用context对象获取浏览器打开的所有page页面pages =context.pagesfor sub_page in pages: # 遍历每一个page# 打印其page标题print(sub_page.title())# page页面的切换 其中switch_to_page是自定义函数select_page = switch_to_page(context,"hao123_上网从这里开始")# 在指定的page中进行相关操作select_page.locator('//*[@id="search"]/form/div[2]/input').fill('测试测试')select_page.locator('//*[@id="search"]/form/div[3]/input').click()# 关闭连接page.close()bro.close()
b站爬取案例
需求分析:
打开b站首页,搜索Python教程,然后会打开
Python教程-哔哩哔哩_Bilibili
页面,爬取该页面的数据
from playwright.sync_api import sync_playwright
from lxml import etree# 封装页面切换的函数
def switch_to_page(context,page):for page in context.pages: # 遍历每一个页面if title == page.title(): # 通过页面标题(page)来切换页面# bring_to_front() 浏览器停留在此page页面page.bring_to_front()return pagewith sync_playwright() as p:# 创建一个浏览器对象bro = p.chromium.launch(headless=False,slow_mo=1000)# 创建一个context上下文对象(用来管理多个page页面)context = bro.new_context()# 通过context对象,创建page页面page = context.new_page()# 发起请求page.goto("https://www.bilibili.com/")# xpath定位page.locator('//*[@id="nav-searchform"]/div[1]/input').fill('Python教程')page.locator('//*[@id="nav-search"]/div[2]').click()# 切换到新打开的page中select_page = switch_to_page(context,'Python教程-哔哩哔哩_Bilibili')# 获取新page的页面源码数据page_text = select_page.content()# 数据解析tree = etree.HTML(page_text)div_list = tree.xpath('//*[@id="i_cecream"]/div/div[2]/div[2]/div/div/div/div[3]/div/div')for div in div_list:title = div.xpath('.//h3[@class="bili-video-card__info--tit"]/@title')[0]author = div.xpath('.//span[@class="bili-video-card__info--author"]/text()')[0]print(title,author)# 关闭page.close() # 关闭页面context.close() # 关闭context对象bro.close() # 浏览器最后关
滑动验证
我们进行滑块验证的时候,是需要知道,滑块要滑动的距离,而滑动的距离是需要计算的,而opencv-python即可帮我们实现计算滑动距离。
我们还要模拟人的行为滑动,即一点一点的滑动。
安装opencv-python环境
pip install opencv-python -i https://pypi.tuna.tsinghua.edu.cn/simple/
滑动案例
访问京东的登录页面,输入账号密码后,执行滑动验证的操作
from playwright.sync_api import sync_playwright
import cv2 # 导入opencv-python
from urllib import request# 获取要滑动的距离
def get_distance():# 滑动验证码的整体背景图片background = cv2.imread("background.png",0) # 读取图片# 缺口图片gap = cv2.imread("gap.png",0)# 计算要滑动的距离res = cv2.matchTemplate(background,gap,cv2.TM_CCOEFF_NORMED)value = cv2.minMaxLoc(res)[2][0]print(value)# 单位换算return value * 278 / 360# 有的检测移动速度的 如果匀速移动会被识别出来,来个简单点的渐近
# 模拟人滑动的行为
def get_track(distance): # distance为传入的总距离# 移动轨迹track = []# 当前位移current = 0# 减速阈值mid = distance *4 /5# 计算间隔t = 0.2# 初速度v = 1while current < distance:if current < mid:# 加速度为2a = 4else:# 加速度为-2a = -3v0 = v# 当前速度v = v0 + a * t# 移动距离move = v0 * t + 1 / 2 * a * t * t# 当前位移current += move# 加入轨迹track.append(round(move))return trackwith sync_playwright() as p:bro = p.chromium.launch(headless=False)page = bro.new_page()# 访问到京东的登录页面page.goto("https://passport.jd.com/new/login.aspx?")page.locator('//*[@id="loginname"]').fill('123456@qq.com') # 输入账号page.wait_for_timeout(1000)page.locator('//*[@id="nloginpwd"]').fill('123456@qq.com') # 输入密码page.wait_for_timeout(1000)page.locator('//*[@id="loginsubmit"]').click() # 点击登录page.wait_for_timeout(2000)# 获取背景图片的srcbg_img_src = page.locator('.JDJRV-bigimg > img').get_attribute('src')# 获取滑块图片的srcsmall_img_src = page.locator('.JDJRV-smallimg > img').get_attribute('src')# 两张图片保存起来 通过src来下载图片request.urlretrieve(bg_img_src,"background.png") # 背景图片request.urlretrieve(small_img_src,"gap.png") # 滑块图片# 调用get_distance() 自定义函数来 基于opencv进行话滑动距离的计算distance = int(get_distance())# 定位到滑块标签slide = page.locator('//*[@id="JDJRV-wrap-loginsubmit"]/div/div/div/div[2]/div[3]')# 找到滑动在当前页面的坐标(这个会返回一个字典里面四个数字)# {'x':858,'y':339.9921875,'width':55,'height':55}box = slide.bounding_box() # 滑块在当前页面中的坐标# 让鼠标移动到滑块标签的中间上page.mouse.move(box["x"] + box["width"] / 2 + box["y"] + box['height'] / 2)# 按下鼠标page.mouse.down()# 这里获取到滑块x坐标中心点位置x = box["x"] + 12 # 加上一个数值调整滑动误差 做与不做都行# 滑动的长度放在轨迹加工一下得到一个轨迹,其中get_track()是自定义函数tracks = get_track(distance) # 返回列表for track in tracks:# 循环鼠标按照轨迹移动page.mouse.move(x + track,0)x += track# 移动结束鼠标释放page.mouse.up()page.wait_for_timeout(5000)page.close()bro.close()
图鉴
由于上面用的opencv-python
是免费的,所以精度相对来说较低,准确率大约在70%左右。
可以试试图鉴 的付费api来实现滑块操作。图鉴可以提供各种验证
官方文档的案例
#tujian.py
import base64
import json
import requests
# 一、图片文字类型(默认 3 数英混合):
# 1 : 纯数字
# 1001:纯数字2
# 2 : 纯英文
# 1002:纯英文2
# 3 : 数英混合
# 1003:数英混合2
# 4 : 闪动GIF
# 7 : 无感学习(独家)
# 11 : 计算题
# 1005: 快速计算题
# 16 : 汉字
# 32 : 通用文字识别(证件、单据)
# 66: 问答题
# 49 :recaptcha图片识别
# 二、图片旋转角度类型:
# 29 : 旋转类型
#
# 三、图片坐标点选类型:
# 19 : 1个坐标
# 20 : 3个坐标
# 21 : 3 ~ 5个坐标
# 22 : 5 ~ 8个坐标
# 27 : 1 ~ 4个坐标
# 48 : 轨迹类型
#
# 四、缺口识别
# 18 : 缺口识别(需要2张图 一张目标图一张缺口图)
# 33 : 单缺口识别(返回X轴坐标 只需要1张图)
# 五、拼图识别
# 53:拼图识别
#函数实现忽略
def base64_api(uname, pwd, img, typeid):with open(img, 'rb') as f:base64_data = base64.b64encode(f.read())b64 = base64_data.decode()data = {"username": uname, "password": pwd, "typeid": typeid, "image": b64}result = json.loads(requests.post("http://api.ttshitu.com/predict", json=data).text)if result['success']:return result["data"]["result"]else:return result["message"]return ""def getImgCodeText(imgPath,imgType):#直接返回验证码内容#imgPath:验证码图片地址#imgType:验证码图片类型result = base64_api(uname='15027900535', pwd='15027900535', img=imgPath, typeid=imgType)return result
实现滑块验证
具体案例实现
# tujian.py
from playwright.sync_api import sync_playwright
import tujian
from urllib import request#有的检测移动速度的 如果匀速移动会被识别出来,来个简单点的渐进
def get_track(distance): # distance为传入的总距离# 移动轨迹track = []# 当前位移current = 0# 减速阈值mid = distance * 4 / 5# 计算间隔t = 0.2# 初速度v = 1while current < distance:if current < mid:# 加速度为2a = 4else:# 加速度为-2a = -3v0 = v# 当前速度v = v0 + a * t# 移动距离move = v0 * t + 1 / 2 * a * t * t# 当前位移current += move# 加入轨迹track.append(round(move))return trackwith sync_playwright() as p:bro = p.chromium.launch(headless=False)page = bro.new_page()page.goto('https://passport.jd.com/new/login.aspx?')page.locator('//*[@id="loginname"]').fill('123456@qq.com')page.wait_for_timeout(1000)page.locator('//*[@id="nloginpwd"]').fill('123456@qq.com')page.wait_for_timeout(1000)page.locator('//*[@id="loginsubmit"]').click()page.wait_for_timeout(2000)bg_img_src = page.locator('.JDJRV-bigimg > img').get_attribute('src')# 两张图片保存起来request.urlretrieve(bg_img_src, "background.png")#基于图鉴平台实现计算滑动距离distance = tujian.getImgCodeText('background.png',33)distance = int(distance)#定位到滑块标签slide = page.locator('//*[@id="JDJRV-wrap-loginsubmit"]/div/div/div/div[2]/div[3]')# 找到滑块在当前页面的坐标(这个会返回一个字典里边四个数字)#{'x': 858, 'y': 339.9921875, 'width': 55, 'height': 55}box = slide.bounding_box()#让鼠标移动到滑块标签的中间上page.mouse.move(box["x"] + box["width"] / 2, box["y"] + box["height"] / 2)# 按下鼠标page.mouse.down()# 这里获取到滑块x坐标中心点位置x = box["x"]# 滑动的长度放到轨迹加工一下得到一个轨迹tracks = get_track(distance)for track in tracks:# 循环鼠标按照轨迹移动page.mouse.move(x + track, 0)x += track# 移动结束鼠标释放page.mouse.up()page.wait_for_timeout(5000)page.close()bro.close()
实现文字点击验证
b站登录的时候,就要文字点击验证
from playwright.sync_api import sync_playwright
import tujian
from urllib import requestwith sync_playwright() as p:bro = p.chromium.launch(headless=False)page = bro.new_page()page.goto('https://passport.bilibili.com/login?from_spm_id=333.851.top_bar.login_window')page.locator('//*[@id="app"]/div[2]/div[2]/div[3]/div[2]/div[1]/div[1]/input').fill('15027900535')page.wait_for_timeout(1)page.locator('//*[@id="app"]/div[2]/div[2]/div[3]/div[2]/div[1]/div[3]/input').fill('bobo@123.com')page.wait_for_timeout(1)page.locator('//*[@id="app"]/div[2]/div[2]/div[3]/div[2]/div[2]/div[2]').click()page.wait_for_timeout(3)#此处找到验证码图片将其截图保存ele = page.locator('//div[@class="geetest_widget"]')ele.screenshot(path='./code.png')#找到ele在当前页面的坐标{'x': 858, 'y': 335, 'width': 55, 'height': 55}box = ele.bounding_box()#提交给打码平台result = tujian.getImgCodeText('code.png',27)# result = '154,251|145,167'result_list = result.split('|')# result_list ==> ['154,251','145,167']# 6.根据识别出验证码的结果进行处理for pos in result_list:x = int(pos.split(',')[0])y = int(pos.split(',')[1])# page.mouse.move(box['x']+x,box['y']+y)# page.mouse.down()# page.mouse.up() #或者直接使用click方式page.mouse.click(box['x']+x,box['y']+y)page.wait_for_timeout(500)# 找到确认按钮submit = page.locator('//div[@class="geetest_commit_tip"]')submit.click()page.wait_for_timeout(5000)page.close()bro.close()
规避检测
如果频繁的使用playwright,被目标网站所检测到,导致获得数据是错误的。
比如我们正常访问某些网站的window.navigator.webdriver
的值为undefined
或false
,而如果被检测到了,那么这个值便是true
。
在浏览器的开发者模式下,即console
下:
window.navigator.webdriver
如果是人为操作,那么返回结果便是false。也就是没有使用自动化工具。如果使用了playwright,那么结果便是true。
查看taobao是否检测playwright
from playwright.sync_api import sync_playwrightwith sync_playwright() as p:bro = p.chromium.launch(headless=False)page = bro.new_page()page.goto('https://taobao.com/')# 在页面执行js脚本代码ret = page.evaluate('window.navigator.webdriver')print(ret) # truepage.wait_for_timeout(3000)page.close()bro.close()
实现js注入,绕过检测
让playwright模拟浏览器环境,但是实际操作起来很难。
但是,可以通过stealth.main.js
脚本文件可以让playwright打开的浏览器模拟成真正的浏览器
from playwright.sync_api import sync_playwrightwith sync_playwright() as p:bro = p.chromium.launch(headless=False)context = bro.new_context()# 让上下文对象,运行js代码context.add_init_script(path='./stealth.main.js')page = context.new_page()page.goto('https://www.tobao.com/')ret = page.evaluate('window.navigator.webdriver')print(ret) # 此时便是false,骗过浏览器了page.wait_for_timeout(3000)page.close()bro.close()
stealth.main.js文件
stealth.main.js
脚本文件是别人写好的插件,直接拿来用就完事了,但是这种方式具有时效性。
/*!* Note: Auto-generated, do not update manually.* Generated by: https://github.com/berstend/puppeteer-extra/tree/master/packages/extract-stealth-evasions* Generated on: Sat, 28 Nov 2020 07:21:38 GMT* License: MIT*/
var opts;(({_utilsFns:_utilsFns,_mainFunction:_mainFunction,_args:_args})=>{const utils=Object.fromEntries(Object.entries(_utilsFns).map((([key,value])=>[key,eval(value)])));utils.preloadCache(),eval(_mainFunction)(utils,..._args)})({_utilsFns:{stripProxyFromErrors:"(handler = {}) => {\n const newHandler = {}\n // We wrap each trap in the handler in a try/catch and modify the error stack if they throw\n const traps = Object.getOwnPropertyNames(handler)\n traps.forEach(trap => {\n newHandler[trap] = function() {\n try {\n // Forward the call to the defined proxy handler\n return handler[trap].apply(this, arguments || [])\n } catch (err) {\n // Stack traces differ per browser, we only support chromium based ones currently\n if (!err || !err.stack || !err.stack.includes(`at `)) {\n throw err\n }\n\n // When something throws within one of our traps the Proxy will show up in error stacks\n // An earlier implementation of this code would simply strip lines with a blacklist,\n // but it makes sense to be more surgical here and only remove lines related to our Proxy.\n // We try to use a known \"anchor\" line for that and strip it with everything above it.\n // If the anchor line cannot be found for some reason we fall back to our blacklist approach.\n\n const stripWithBlacklist = stack => {\n const blacklist = [\n `at Reflect.${trap} `, // e.g. Reflect.get or Reflect.apply\n `at Object.${trap} `, // e.g. Object.get or Object.apply\n `at Object.newHandler.<computed> [as ${trap}] ` // caused by this very wrapper :-)\n ]\n return (\n err.stack\n .split('\\n')\n // Always remove the first (file) line in the stack (guaranteed to be our proxy)\n .filter((line, index) => index !== 1)\n // Check if the line starts with one of our blacklisted strings\n .filter(line => !blacklist.some(bl => line.trim().startsWith(bl)))\n .join('\\n')\n )\n }\n\n const stripWithAnchor = stack => {\n const stackArr = stack.split('\\n')\n const anchor = `at Object.newHandler.<computed> [as ${trap}] ` // Known first Proxy line in chromium\n const anchorIndex = stackArr.findIndex(line =>\n line.trim().startsWith(anchor)\n )\n if (anchorIndex === -1) {\n return false // 404, anchor not found\n }\n // Strip everything from the top until we reach the anchor line\n // Note: We're keeping the 1st line (zero index) as it's unrelated (e.g. `TypeError`)\n stackArr.splice(1, anchorIndex)\n return stackArr.join('\\n')\n }\n\n // Try using the anchor method, fallback to blacklist if necessary\n err.stack = stripWithAnchor(err.stack) || stripWithBlacklist(err.stack)\n\n throw err // Re-throw our now sanitized error\n }\n }\n })\n return newHandler\n}",stripErrorWithAnchor:"(err, anchor) => {\n const stackArr = err.stack.split('\\n')\n const anchorIndex = stackArr.findIndex(line => line.trim().startsWith(anchor))\n if (anchorIndex === -1) {\n return err // 404, anchor not found\n }\n // Strip everything from the top until we reach the anchor line (remove anchor line as well)\n // Note: We're keeping the 1st line (zero index) as it's unrelated (e.g. `TypeError`)\n stackArr.splice(1, anchorIndex)\n err.stack = stackArr.join('\\n')\n return err\n}",replaceProperty:"(obj, propName, descriptorOverrides = {}) => {\n return Object.defineProperty(obj, propName, {\n // Copy over the existing descriptors (writable, enumerable, configurable, etc)\n ...(Object.getOwnPropertyDescriptor(obj, propName) || {}),\n // Add our overrides (e.g. value, get())\n ...descriptorOverrides\n })\n}",preloadCache:"() => {\n if (utils.cache) {\n return\n }\n utils.cache = {\n // Used in our proxies\n Reflect: {\n get: Reflect.get.bind(Reflect),\n apply: Reflect.apply.bind(Reflect)\n },\n // Used in `makeNativeString`\n nativeToStringStr: Function.toString + '' // => `function toString() { [native code] }`\n }\n}",makeNativeString:"(name = '') => {\n // Cache (per-window) the original native toString or use that if available\n utils.preloadCache()\n return utils.cache.nativeToStringStr.replace('toString', name || '')\n}",patchToString:"(obj, str = '') => {\n utils.preloadCache()\n\n const toStringProxy = new Proxy(Function.prototype.toString, {\n apply: function(target, ctx) {\n // This fixes e.g. `HTMLMediaElement.prototype.canPlayType.toString + \"\"`\n if (ctx === Function.prototype.toString) {\n return utils.makeNativeString('toString')\n }\n // `toString` targeted at our proxied Object detected\n if (ctx === obj) {\n // We either return the optional string verbatim or derive the most desired result automatically\n return str || utils.makeNativeString(obj.name)\n }\n // Check if the toString protype of the context is the same as the global prototype,\n // if not indicates that we are doing a check across different windows., e.g. the iframeWithdirect` test case\n const hasSameProto = Object.getPrototypeOf(\n Function.prototype.toString\n ).isPrototypeOf(ctx.toString) // eslint-disable-line no-prototype-builtins\n if (!hasSameProto) {\n // Pass the call on to the local Function.prototype.toString instead\n return ctx.toString()\n }\n return target.call(ctx)\n }\n })\n utils.replaceProperty(Function.prototype, 'toString', {\n value: toStringProxy\n })\n}",patchToStringNested:"(obj = {}) => {\n return utils.execRecursively(obj, ['function'], utils.patchToString)\n}",redirectToString:"(proxyObj, originalObj) => {\n utils.preloadCache()\n\n const toStringProxy = new Proxy(Function.prototype.toString, {\n apply: function(target, ctx) {\n // This fixes e.g. `HTMLMediaElement.prototype.canPlayType.toString + \"\"`\n if (ctx === Function.prototype.toString) {\n return utils.makeNativeString('toString')\n }\n\n // `toString` targeted at our proxied Object detected\n if (ctx === proxyObj) {\n const fallback = () =>\n originalObj && originalObj.name\n ? utils.makeNativeString(originalObj.name)\n : utils.makeNativeString(proxyObj.name)\n\n // Return the toString representation of our original object if possible\n return originalObj + '' || fallback()\n }\n\n // Check if the toString protype of the context is the same as the global prototype,\n // if not indicates that we are doing a check across different windows., e.g. the iframeWithdirect` test case\n const hasSameProto = Object.getPrototypeOf(\n Function.prototype.toString\n ).isPrototypeOf(ctx.toString) // eslint-disable-line no-prototype-builtins\n if (!hasSameProto) {\n // Pass the call on to the local Function.prototype.toString instead\n return ctx.toString()\n }\n\n return target.call(ctx)\n }\n })\n utils.replaceProperty(Function.prototype, 'toString', {\n value: toStringProxy\n })\n}",replaceWithProxy:"(obj, propName, handler) => {\n utils.preloadCache()\n const originalObj = obj[propName]\n const proxyObj = new Proxy(obj[propName], utils.stripProxyFromErrors(handler))\n\n utils.replaceProperty(obj, propName, { value: proxyObj })\n utils.redirectToString(proxyObj, originalObj)\n\n return true\n}",mockWithProxy:"(obj, propName, pseudoTarget, handler) => {\n utils.preloadCache()\n const proxyObj = new Proxy(pseudoTarget, utils.stripProxyFromErrors(handler))\n\n utils.replaceProperty(obj, propName, { value: proxyObj })\n utils.patchToString(proxyObj)\n\n return true\n}",createProxy:"(pseudoTarget, handler) => {\n utils.preloadCache()\n const proxyObj = new Proxy(pseudoTarget, utils.stripProxyFromErrors(handler))\n utils.patchToString(proxyObj)\n\n return proxyObj\n}",splitObjPath:"objPath => ({\n // Remove last dot entry (property) ==> `HTMLMediaElement.prototype`\n objName: objPath\n .split('.')\n .slice(0, -1)\n .join('.'),\n // Extract last dot entry ==> `canPlayType`\n propName: objPath.split('.').slice(-1)[0]\n})",replaceObjPathWithProxy:"(objPath, handler) => {\n const { objName, propName } = utils.splitObjPath(objPath)\n const obj = eval(objName) // eslint-disable-line no-eval\n return utils.replaceWithProxy(obj, propName, handler)\n}",execRecursively:"(obj = {}, typeFilter = [], fn) => {\n function recurse(obj) {\n for (const key in obj) {\n if (obj[key] === undefined) {\n continue\n }\n if (obj[key] && typeof obj[key] === 'object') {\n recurse(obj[key])\n } else {\n if (obj[key] && typeFilter.includes(typeof obj[key])) {\n fn.call(this, obj[key])\n }\n }\n }\n }\n recurse(obj)\n return obj\n}",stringifyFns:"(fnObj = { hello: () => 'world' }) => {\n // Object.fromEntries() ponyfill (in 6 lines) - supported only in Node v12+, modern browsers are fine\n // https://github.com/feross/fromentries\n function fromEntries(iterable) {\n return [...iterable].reduce((obj, [key, val]) => {\n obj[key] = val\n return obj\n }, {})\n }\n return (Object.fromEntries || fromEntries)(\n Object.entries(fnObj)\n .filter(([key, value]) => typeof value === 'function')\n .map(([key, value]) => [key, value.toString()]) // eslint-disable-line no-eval\n )\n}",materializeFns:"(fnStrObj = { hello: \"() => 'world'\" }) => {\n return Object.fromEntries(\n Object.entries(fnStrObj).map(([key, value]) => {\n if (value.startsWith('function')) {\n // some trickery is needed to make oldschool functions work :-)\n return [key, eval(`() => ${value}`)()] // eslint-disable-line no-eval\n } else {\n // arrow functions just work\n return [key, eval(value)] // eslint-disable-line no-eval\n }\n })\n )\n}"},_mainFunction:'utils => {\n if (!window.chrome) {\n // Use the exact property descriptor found in headful Chrome\n // fetch it via `Object.getOwnPropertyDescriptor(window, \'chrome\')`\n Object.defineProperty(window, \'chrome\', {\n writable: true,\n enumerable: true,\n configurable: false, // note!\n value: {} // We\'ll extend that later\n })\n }\n\n // That means we\'re running headful and don\'t need to mock anything\n if (\'app\' in window.chrome) {\n return // Nothing to do here\n }\n\n const makeError = {\n ErrorInInvocation: fn => {\n const err = new TypeError(`Error in invocation of app.${fn}()`)\n return utils.stripErrorWithAnchor(\n err,\n `at ${fn} (eval at <anonymous>`\n )\n }\n }\n\n // There\'s a some static data in that property which doesn\'t seem to change,\n // we should periodically check for updates: `JSON.stringify(window.app, null, 2)`\n const STATIC_DATA = JSON.parse(\n `\n{\n "isInstalled": false,\n "InstallState": {\n "DISABLED": "disabled",\n "INSTALLED": "installed",\n "NOT_INSTALLED": "not_installed"\n },\n "RunningState": {\n "CANNOT_RUN": "cannot_run",\n "READY_TO_RUN": "ready_to_run",\n "RUNNING": "running"\n }\n}\n `.trim()\n )\n\n window.chrome.app = {\n ...STATIC_DATA,\n\n get isInstalled() {\n return false\n },\n\n getDetails: function getDetails() {\n if (arguments.length) {\n throw makeError.ErrorInInvocation(`getDetails`)\n }\n return null\n },\n getIsInstalled: function getDetails() {\n if (arguments.length) {\n throw makeError.ErrorInInvocation(`getIsInstalled`)\n }\n return false\n },\n runningState: function getDetails() {\n if (arguments.length) {\n throw makeError.ErrorInInvocation(`runningState`)\n }\n return \'cannot_run\'\n }\n }\n utils.patchToStringNested(window.chrome.app)\n }',_args:[]}),(({_utilsFns:_utilsFns,_mainFunction:_mainFunction,_args:_args})=>{const utils=Object.fromEntries(Object.entries(_utilsFns).map((([key,value])=>[key,eval(value)])));utils.preloadCache(),eval(_mainFunction)(utils,..._args)})({_utilsFns:{stripProxyFromErrors:"(handler = {}) => {\n const newHandler = {}\n // We wrap each trap in the handler in a try/catch and modify the error stack if they throw\n const traps = Object.getOwnPropertyNames(handler)\n traps.forEach(trap => {\n newHandler[trap] = function() {\n try {\n // Forward the call to the defined proxy handler\n return handler[trap].apply(this, arguments || [])\n } catch (err) {\n // Stack traces differ per browser, we only support chromium based ones currently\n if (!err || !err.stack || !err.stack.includes(`at `)) {\n throw err\n }\n\n // When something throws within one of our traps the Proxy will show up in error stacks\n // An earlier implementation of this code would simply strip lines with a blacklist,\n // but it makes sense to be more surgical here and only remove lines related to our Proxy.\n // We try to use a known \"anchor\" line for that and strip it with everything above it.\n // If the anchor line cannot be found for some reason we fall back to our blacklist approach.\n\n const stripWithBlacklist = stack => {\n const blacklist = [\n `at Reflect.${trap} `, // e.g. Reflect.get or Reflect.apply\n `at Object.${trap} `, // e.g. Object.get or Object.apply\n `at Object.newHandler.<computed> [as ${trap}] ` // caused by this very wrapper :-)\n ]\n return (\n err.stack\n .split('\\n')\n // Always remove the first (file) line in the stack (guaranteed to be our proxy)\n .filter((line, index) => index !== 1)\n // Check if the line starts with one of our blacklisted strings\n .filter(line => !blacklist.some(bl => line.trim().startsWith(bl)))\n .join('\\n')\n )\n }\n\n const stripWithAnchor = stack => {\n const stackArr = stack.split('\\n')\n const anchor = `at Object.newHandler.<computed> [as ${trap}] ` // Known first Proxy line in chromium\n const anchorIndex = stackArr.findIndex(line =>\n line.trim().startsWith(anchor)\n )\n if (anchorIndex === -1) {\n return false // 404, anchor not found\n }\n // Strip everything from the top until we reach the anchor line\n // Note: We're keeping the 1st line (zero index) as it's unrelated (e.g. `TypeError`)\n stackArr.splice(1, anchorIndex)\n return stackArr.join('\\n')\n }\n\n // Try using the anchor method, fallback to blacklist if necessary\n err.stack = stripWithAnchor(err.stack) || stripWithBlacklist(err.stack)\n\n throw err // Re-throw our now sanitized error\n }\n }\n })\n return newHandler\n}",stripErrorWithAnchor:"(err, anchor) => {\n const stackArr = err.stack.split('\\n')\n const anchorIndex = stackArr.findIndex(line => line.trim().startsWith(anchor))\n if (anchorIndex === -1) {\n return err // 404, anchor not found\n }\n // Strip everything from the top until we reach the anchor line (remove anchor line as well)\n // Note: We're keeping the 1st line (zero index) as it's unrelated (e.g. `TypeError`)\n stackArr.splice(1, anchorIndex)\n err.stack = stackArr.join('\\n')\n return err\n}",replaceProperty:"(obj, propName, descriptorOverrides = {}) => {\n return Object.defineProperty(obj, propName, {\n // Copy over the existing descriptors (writable, enumerable, configurable, etc)\n ...(Object.getOwnPropertyDescriptor(obj, propName) || {}),\n // Add our overrides (e.g. value, get())\n ...descriptorOverrides\n })\n}",preloadCache:"() => {\n if (utils.cache) {\n return\n }\n utils.cache = {\n // Used in our proxies\n Reflect: {\n get: Reflect.get.bind(Reflect),\n apply: Reflect.apply.bind(Reflect)\n },\n // Used in `makeNativeString`\n nativeToStringStr: Function.toString + '' // => `function toString() { [native code] }`\n }\n}",makeNativeString:"(name = '') => {\n // Cache (per-window) the original native toString or use that if available\n utils.preloadCache()\n return utils.cache.nativeToStringStr.replace('toString', name || '')\n}",patchToString:"(obj, str = '') => {\n utils.preloadCache()\n\n const toStringProxy = new Proxy(Function.prototype.toString, {\n apply: function(target, ctx) {\n // This fixes e.g. `HTMLMediaElement.prototype.canPlayType.toString + \"\"`\n if (ctx === Function.prototype.toString) {\n return utils.makeNativeString('toString')\n }\n // `toString` targeted at our proxied Object detected\n if (ctx === obj) {\n // We either return the optional string verbatim or derive the most desired result automatically\n return str || utils.makeNativeString(obj.name)\n }\n // Check if the toString protype of the context is the same as the global prototype,\n // if not indicates that we are doing a check across different windows., e.g. the iframeWithdirect` test case\n const hasSameProto = Object.getPrototypeOf(\n Function.prototype.toString\n ).isPrototypeOf(ctx.toString) // eslint-disable-line no-prototype-builtins\n if (!hasSameProto) {\n // Pass the call on to the local Function.prototype.toString instead\n return ctx.toString()\n }\n return target.call(ctx)\n }\n })\n utils.replaceProperty(Function.prototype, 'toString', {\n value: toStringProxy\n })\n}",patchToStringNested:"(obj = {}) => {\n return utils.execRecursively(obj, ['function'], utils.patchToString)\n}",redirectToString:"(proxyObj, originalObj) => {\n utils.preloadCache()\n\n const toStringProxy = new Proxy(Function.prototype.toString, {\n apply: function(target, ctx) {\n // This fixes e.g. `HTMLMediaElement.prototype.canPlayType.toString + \"\"`\n if (ctx === Function.prototype.toString) {\n return utils.makeNativeString('toString')\n }\n\n // `toString` targeted at our proxied Object detected\n if (ctx === proxyObj) {\n const fallback = () =>\n originalObj && originalObj.name\n ? utils.makeNativeString(originalObj.name)\n : utils.makeNativeString(proxyObj.name)\n\n // Return the toString representation of our original object if possible\n return originalObj + '' || fallback()\n }\n\n // Check if the toString protype of the context is the same as the global prototype,\n // if not indicates that we are doing a check across different windows., e.g. the iframeWithdirect` test case\n const hasSameProto = Object.getPrototypeOf(\n Function.prototype.toString\n ).isPrototypeOf(ctx.toString) // eslint-disable-line no-prototype-builtins\n if (!hasSameProto) {\n // Pass the call on to the local Function.prototype.toString instead\n return ctx.toString()\n }\n\n return target.call(ctx)\n }\n })\n utils.replaceProperty(Function.prototype, 'toString', {\n value: toStringProxy\n })\n}",replaceWithProxy:"(obj, propName, handler) => {\n utils.preloadCache()\n const originalObj = obj[propName]\n const proxyObj = new Proxy(obj[propName], utils.stripProxyFromErrors(handler))\n\n utils.replaceProperty(obj, propName, { value: proxyObj })\n utils.redirectToString(proxyObj, originalObj)\n\n return true\n}",mockWithProxy:"(obj, propName, pseudoTarget, handler) => {\n utils.preloadCache()\n const proxyObj = new Proxy(pseudoTarget, utils.stripProxyFromErrors(handler))\n\n utils.replaceProperty(obj, propName, { value: proxyObj })\n utils.patchToString(proxyObj)\n\n return true\n}",createProxy:"(pseudoTarget, handler) => {\n utils.preloadCache()\n const proxyObj = new Proxy(pseudoTarget, utils.stripProxyFromErrors(handler))\n utils.patchToString(proxyObj)\n\n return proxyObj\n}",splitObjPath:"objPath => ({\n // Remove last dot entry (property) ==> `HTMLMediaElement.prototype`\n objName: objPath\n .split('.')\n .slice(0, -1)\n .join('.'),\n // Extract last dot entry ==> `canPlayType`\n propName: objPath.split('.').slice(-1)[0]\n})",replaceObjPathWithProxy:"(objPath, handler) => {\n const { objName, propName } = utils.splitObjPath(objPath)\n const obj = eval(objName) // eslint-disable-line no-eval\n return utils.replaceWithProxy(obj, propName, handler)\n}",execRecursively:"(obj = {}, typeFilter = [], fn) => {\n function recurse(obj) {\n for (const key in obj) {\n if (obj[key] === undefined) {\n continue\n }\n if (obj[key] && typeof obj[key] === 'object') {\n recurse(obj[key])\n } else {\n if (obj[key] && typeFilter.includes(typeof obj[key])) {\n fn.call(this, obj[key])\n }\n }\n }\n }\n recurse(obj)\n return obj\n}",stringifyFns:"(fnObj = { hello: () => 'world' }) => {\n // Object.fromEntries() ponyfill (in 6 lines) - supported only in Node v12+, modern browsers are fine\n // https://github.com/feross/fromentries\n function fromEntries(iterable) {\n return [...iterable].reduce((obj, [key, val]) => {\n obj[key] = val\n return obj\n }, {})\n }\n return (Object.fromEntries || fromEntries)(\n Object.entries(fnObj)\n .filter(([key, value]) => typeof value === 'function')\n .map(([key, value]) => [key, value.toString()]) // eslint-disable-line no-eval\n )\n}",materializeFns:"(fnStrObj = { hello: \"() => 'world'\" }) => {\n return Object.fromEntries(\n Object.entries(fnStrObj).map(([key, value]) => {\n if (value.startsWith('function')) {\n // some trickery is needed to make oldschool functions work :-)\n return [key, eval(`() => ${value}`)()] // eslint-disable-line no-eval\n } else {\n // arrow functions just work\n return [key, eval(value)] // eslint-disable-line no-eval\n }\n })\n )\n}"},_mainFunction:"utils => {\n if (!window.chrome) {\n // Use the exact property descriptor found in headful Chrome\n // fetch it via `Object.getOwnPropertyDescriptor(window, 'chrome')`\n Object.defineProperty(window, 'chrome', {\n writable: true,\n enumerable: true,\n configurable: false, // note!\n value: {} // We'll extend that later\n })\n }\n\n // That means we're running headful and don't need to mock anything\n if ('csi' in window.chrome) {\n return // Nothing to do here\n }\n\n // Check that the Navigation Timing API v1 is available, we need that\n if (!window.performance || !window.performance.timing) {\n return\n }\n\n const { timing } = window.performance\n\n window.chrome.csi = function() {\n return {\n onloadT: timing.domContentLoadedEventEnd,\n startE: timing.navigationStart,\n pageT: Date.now() - timing.navigationStart,\n tran: 15 // Transition type or something\n }\n }\n utils.patchToString(window.chrome.csi)\n }",_args:[]}),(({_utilsFns:_utilsFns,_mainFunction:_mainFunction,_args:_args})=>{const utils=Object.fromEntries(Object.entries(_utilsFns).map((([key,value])=>[key,eval(value)])));utils.preloadCache(),eval(_mainFunction)(utils,..._args)})({_utilsFns:{stripProxyFromErrors:"(handler = {}) => {\n const newHandler = {}\n // We wrap each trap in the handler in a try/catch and modify the error stack if they throw\n const traps = Object.getOwnPropertyNames(handler)\n traps.forEach(trap => {\n newHandler[trap] = function() {\n try {\n // Forward the call to the defined proxy handler\n return handler[trap].apply(this, arguments || [])\n } catch (err) {\n // Stack traces differ per browser, we only support chromium based ones currently\n if (!err || !err.stack || !err.stack.includes(`at `)) {\n throw err\n }\n\n // When something throws within one of our traps the Proxy will show up in error stacks\n // An earlier implementation of this code would simply strip lines with a blacklist,\n // but it makes sense to be more surgical here and only remove lines related to our Proxy.\n // We try to use a known \"anchor\" line for that and strip it with everything above it.\n // If the anchor line cannot be found for some reason we fall back to our blacklist approach.\n\n const stripWithBlacklist = stack => {\n const blacklist = [\n `at Reflect.${trap} `, // e.g. Reflect.get or Reflect.apply\n `at Object.${trap} `, // e.g. Object.get or Object.apply\n `at Object.newHandler.<computed> [as ${trap}] ` // caused by this very wrapper :-)\n ]\n return (\n err.stack\n .split('\\n')\n // Always remove the first (file) line in the stack (guaranteed to be our proxy)\n .filter((line, index) => index !== 1)\n // Check if the line starts with one of our blacklisted strings\n .filter(line => !blacklist.some(bl => line.trim().startsWith(bl)))\n .join('\\n')\n )\n }\n\n const stripWithAnchor = stack => {\n const stackArr = stack.split('\\n')\n const anchor = `at Object.newHandler.<computed> [as ${trap}] ` // Known first Proxy line in chromium\n const anchorIndex = stackArr.findIndex(line =>\n line.trim().startsWith(anchor)\n )\n if (anchorIndex === -1) {\n return false // 404, anchor not found\n }\n // Strip everything from the top until we reach the anchor line\n // Note: We're keeping the 1st line (zero index) as it's unrelated (e.g. `TypeError`)\n stackArr.splice(1, anchorIndex)\n return stackArr.join('\\n')\n }\n\n // Try using the anchor method, fallback to blacklist if necessary\n err.stack = stripWithAnchor(err.stack) || stripWithBlacklist(err.stack)\n\n throw err // Re-throw our now sanitized error\n }\n }\n })\n return newHandler\n}",stripErrorWithAnchor:"(err, anchor) => {\n const stackArr = err.stack.split('\\n')\n const anchorIndex = stackArr.findIndex(line => line.trim().startsWith(anchor))\n if (anchorIndex === -1) {\n return err // 404, anchor not found\n }\n // Strip everything from the top until we reach the anchor line (remove anchor line as well)\n // Note: We're keeping the 1st line (zero index) as it's unrelated (e.g. `TypeError`)\n stackArr.splice(1, anchorIndex)\n err.stack = stackArr.join('\\n')\n return err\n}",replaceProperty:"(obj, propName, descriptorOverrides = {}) => {\n return Object.defineProperty(obj, propName, {\n // Copy over the existing descriptors (writable, enumerable, configurable, etc)\n ...(Object.getOwnPropertyDescriptor(obj, propName) || {}),\n // Add our overrides (e.g. value, get())\n ...descriptorOverrides\n })\n}",preloadCache:"() => {\n if (utils.cache) {\n return\n }\n utils.cache = {\n // Used in our proxies\n Reflect: {\n get: Reflect.get.bind(Reflect),\n apply: Reflect.apply.bind(Reflect)\n },\n // Used in `makeNativeString`\n nativeToStringStr: Function.toString + '' // => `function toString() { [native code] }`\n }\n}",makeNativeString:"(name = '') => {\n // Cache (per-window) the original native toString or use that if available\n utils.preloadCache()\n return utils.cache.nativeToStringStr.replace('toString', name || '')\n}",patchToString:"(obj, str = '') => {\n utils.preloadCache()\n\n const toStringProxy = new Proxy(Function.prototype.toString, {\n apply: function(target, ctx) {\n // This fixes e.g. `HTMLMediaElement.prototype.canPlayType.toString + \"\"`\n if (ctx === Function.prototype.toString) {\n return utils.makeNativeString('toString')\n }\n // `toString` targeted at our proxied Object detected\n if (ctx === obj) {\n // We either return the optional string verbatim or derive the most desired result automatically\n return str || utils.makeNativeString(obj.name)\n }\n // Check if the toString protype of the context is the same as the global prototype,\n // if not indicates that we are doing a check across different windows., e.g. the iframeWithdirect` test case\n const hasSameProto = Object.getPrototypeOf(\n Function.prototype.toString\n ).isPrototypeOf(ctx.toString) // eslint-disable-line no-prototype-builtins\n if (!hasSameProto) {\n // Pass the call on to the local Function.prototype.toString instead\n return ctx.toString()\n }\n return target.call(ctx)\n }\n })\n utils.replaceProperty(Function.prototype, 'toString', {\n value: toStringProxy\n })\n}",patchToStringNested:"(obj = {}) => {\n return utils.execRecursively(obj, ['function'], utils.patchToString)\n}",redirectToString:"(proxyObj, originalObj) => {\n utils.preloadCache()\n\n const toStringProxy = new Proxy(Function.prototype.toString, {\n apply: function(target, ctx) {\n // This fixes e.g. `HTMLMediaElement.prototype.canPlayType.toString + \"\"`\n if (ctx === Function.prototype.toString) {\n return utils.makeNativeString('toString')\n }\n\n // `toString` targeted at our proxied Object detected\n if (ctx === proxyObj) {\n const fallback = () =>\n originalObj && originalObj.name\n ? utils.makeNativeString(originalObj.name)\n : utils.makeNativeString(proxyObj.name)\n\n // Return the toString representation of our original object if possible\n return originalObj + '' || fallback()\n }\n\n // Check if the toString protype of the context is the same as the global prototype,\n // if not indicates that we are doing a check across different windows., e.g. the iframeWithdirect` test case\n const hasSameProto = Object.getPrototypeOf(\n Function.prototype.toString\n ).isPrototypeOf(ctx.toString) // eslint-disable-line no-prototype-builtins\n if (!hasSameProto) {\n // Pass the call on to the local Function.prototype.toString instead\n return ctx.toString()\n }\n\n return target.call(ctx)\n }\n })\n utils.replaceProperty(Function.prototype, 'toString', {\n value: toStringProxy\n })\n}",replaceWithProxy:"(obj, propName, handler) => {\n utils.preloadCache()\n const originalObj = obj[propName]\n const proxyObj = new Proxy(obj[propName], utils.stripProxyFromErrors(handler))\n\n utils.replaceProperty(obj, propName, { value: proxyObj })\n utils.redirectToString(proxyObj, originalObj)\n\n return true\n}",mockWithProxy:"(obj, propName, pseudoTarget, handler) => {\n utils.preloadCache()\n const proxyObj = new Proxy(pseudoTarget, utils.stripProxyFromErrors(handler))\n\n utils.replaceProperty(obj, propName, { value: proxyObj })\n utils.patchToString(proxyObj)\n\n return true\n}",createProxy:"(pseudoTarget, handler) => {\n utils.preloadCache()\n const proxyObj = new Proxy(pseudoTarget, utils.stripProxyFromErrors(handler))\n utils.patchToString(proxyObj)\n\n return proxyObj\n}",splitObjPath:"objPath => ({\n // Remove last dot entry (property) ==> `HTMLMediaElement.prototype`\n objName: objPath\n .split('.')\n .slice(0, -1)\n .join('.'),\n // Extract last dot entry ==> `canPlayType`\n propName: objPath.split('.').slice(-1)[0]\n})",replaceObjPathWithProxy:"(objPath, handler) => {\n const { objName, propName } = utils.splitObjPath(objPath)\n const obj = eval(objName) // eslint-disable-line no-eval\n return utils.replaceWithProxy(obj, propName, handler)\n}",execRecursively:"(obj = {}, typeFilter = [], fn) => {\n function recurse(obj) {\n for (const key in obj) {\n if (obj[key] === undefined) {\n continue\n }\n if (obj[key] && typeof obj[key] === 'object') {\n recurse(obj[key])\n } else {\n if (obj[key] && typeFilter.includes(typeof obj[key])) {\n fn.call(this, obj[key])\n }\n }\n }\n }\n recurse(obj)\n return obj\n}",stringifyFns:"(fnObj = { hello: () => 'world' }) => {\n // Object.fromEntries() ponyfill (in 6 lines) - supported only in Node v12+, modern browsers are fine\n // https://github.com/feross/fromentries\n function fromEntries(iterable) {\n return [...iterable].reduce((obj, [key, val]) => {\n obj[key] = val\n return obj\n }, {})\n }\n return (Object.fromEntries || fromEntries)(\n Object.entries(fnObj)\n .filter(([key, value]) => typeof value === 'function')\n .map(([key, value]) => [key, value.toString()]) // eslint-disable-line no-eval\n )\n}",materializeFns:"(fnStrObj = { hello: \"() => 'world'\" }) => {\n return Object.fromEntries(\n Object.entries(fnStrObj).map(([key, value]) => {\n if (value.startsWith('function')) {\n // some trickery is needed to make oldschool functions work :-)\n return [key, eval(`() => ${value}`)()] // eslint-disable-line no-eval\n } else {\n // arrow functions just work\n return [key, eval(value)] // eslint-disable-line no-eval\n }\n })\n )\n}"},_mainFunction:"(utils, { opts }) => {\n if (!window.chrome) {\n // Use the exact property descriptor found in headful Chrome\n // fetch it via `Object.getOwnPropertyDescriptor(window, 'chrome')`\n Object.defineProperty(window, 'chrome', {\n writable: true,\n enumerable: true,\n configurable: false, // note!\n value: {} // We'll extend that later\n })\n }\n\n // That means we're running headful and don't need to mock anything\n if ('loadTimes' in window.chrome) {\n return // Nothing to do here\n }\n\n // Check that the Navigation Timing API v1 + v2 is available, we need that\n if (\n !window.performance ||\n !window.performance.timing ||\n !window.PerformancePaintTiming\n ) {\n return\n }\n\n const { performance } = window\n\n // Some stuff is not available on about:blank as it requires a navigation to occur,\n // let's harden the code to not fail then:\n const ntEntryFallback = {\n nextHopProtocol: 'h2',\n type: 'other'\n }\n\n // The API exposes some funky info regarding the connection\n const protocolInfo = {\n get connectionInfo() {\n const ntEntry =\n performance.getEntriesByType('navigation')[0] || ntEntryFallback\n return ntEntry.nextHopProtocol\n },\n get npnNegotiatedProtocol() {\n // NPN is deprecated in favor of ALPN, but this implementation returns the\n // HTTP/2 or HTTP2+QUIC/39 requests negotiated via ALPN.\n const ntEntry =\n performance.getEntriesByType('navigation')[0] || ntEntryFallback\n return ['h2', 'hq'].includes(ntEntry.nextHopProtocol)\n ? ntEntry.nextHopProtocol\n : 'unknown'\n },\n get navigationType() {\n const ntEntry =\n performance.getEntriesByType('navigation')[0] || ntEntryFallback\n return ntEntry.type\n },\n get wasAlternateProtocolAvailable() {\n // The Alternate-Protocol header is deprecated in favor of Alt-Svc\n // (https://www.mnot.net/blog/2016/03/09/alt-svc), so technically this\n // should always return false.\n return false\n },\n get wasFetchedViaSpdy() {\n // SPDY is deprecated in favor of HTTP/2, but this implementation returns\n // true for HTTP/2 or HTTP2+QUIC/39 as well.\n const ntEntry =\n performance.getEntriesByType('navigation')[0] || ntEntryFallback\n return ['h2', 'hq'].includes(ntEntry.nextHopProtocol)\n },\n get wasNpnNegotiated() {\n // NPN is deprecated in favor of ALPN, but this implementation returns true\n // for HTTP/2 or HTTP2+QUIC/39 requests negotiated via ALPN.\n const ntEntry =\n performance.getEntriesByType('navigation')[0] || ntEntryFallback\n return ['h2', 'hq'].includes(ntEntry.nextHopProtocol)\n }\n }\n\n const { timing } = window.performance\n\n // Truncate number to specific number of decimals, most of the `loadTimes` stuff has 3\n function toFixed(num, fixed) {\n var re = new RegExp('^-?\\\\d+(?:.\\\\d{0,' + (fixed || -1) + '})?')\n return num.toString().match(re)[0]\n }\n\n const timingInfo = {\n get firstPaintAfterLoadTime() {\n // This was never actually implemented and always returns 0.\n return 0\n },\n get requestTime() {\n return timing.navigationStart / 1000\n },\n get startLoadTime() {\n return timing.navigationStart / 1000\n },\n get commitLoadTime() {\n return timing.responseStart / 1000\n },\n get finishDocumentLoadTime() {\n return timing.domContentLoadedEventEnd / 1000\n },\n get finishLoadTime() {\n return timing.loadEventEnd / 1000\n },\n get firstPaintTime() {\n const fpEntry = performance.getEntriesByType('paint')[0] || {\n startTime: timing.loadEventEnd / 1000 // Fallback if no navigation occured (`about:blank`)\n }\n return toFixed(\n (fpEntry.startTime + performance.timeOrigin) / 1000,\n 3\n )\n }\n }\n\n window.chrome.loadTimes = function() {\n return {\n ...protocolInfo,\n ...timingInfo\n }\n }\n utils.patchToString(window.chrome.loadTimes)\n }",_args:[{opts:{}}]}),(({_utilsFns:_utilsFns,_mainFunction:_mainFunction,_args:_args})=>{const utils=Object.fromEntries(Object.entries(_utilsFns).map((([key,value])=>[key,eval(value)])));utils.preloadCache(),eval(_mainFunction)(utils,..._args)})({_utilsFns:{stripProxyFromErrors:"(handler = {}) => {\n const newHandler = {}\n // We wrap each trap in the handler in a try/catch and modify the error stack if they throw\n const traps = Object.getOwnPropertyNames(handler)\n traps.forEach(trap => {\n newHandler[trap] = function() {\n try {\n // Forward the call to the defined proxy handler\n return handler[trap].apply(this, arguments || [])\n } catch (err) {\n // Stack traces differ per browser, we only support chromium based ones currently\n if (!err || !err.stack || !err.stack.includes(`at `)) {\n throw err\n }\n\n // When something throws within one of our traps the Proxy will show up in error stacks\n // An earlier implementation of this code would simply strip lines with a blacklist,\n // but it makes sense to be more surgical here and only remove lines related to our Proxy.\n // We try to use a known \"anchor\" line for that and strip it with everything above it.\n // If the anchor line cannot be found for some reason we fall back to our blacklist approach.\n\n const stripWithBlacklist = stack => {\n const blacklist = [\n `at Reflect.${trap} `, // e.g. Reflect.get or Reflect.apply\n `at Object.${trap} `, // e.g. Object.get or Object.apply\n `at Object.newHandler.<computed> [as ${trap}] ` // caused by this very wrapper :-)\n ]\n return (\n err.stack\n .split('\\n')\n // Always remove the first (file) line in the stack (guaranteed to be our proxy)\n .filter((line, index) => index !== 1)\n // Check if the line starts with one of our blacklisted strings\n .filter(line => !blacklist.some(bl => line.trim().startsWith(bl)))\n .join('\\n')\n )\n }\n\n const stripWithAnchor = stack => {\n const stackArr = stack.split('\\n')\n const anchor = `at Object.newHandler.<computed> [as ${trap}] ` // Known first Proxy line in chromium\n const anchorIndex = stackArr.findIndex(line =>\n line.trim().startsWith(anchor)\n )\n if (anchorIndex === -1) {\n return false // 404, anchor not found\n }\n // Strip everything from the top until we reach the anchor line\n // Note: We're keeping the 1st line (zero index) as it's unrelated (e.g. `TypeError`)\n stackArr.splice(1, anchorIndex)\n return stackArr.join('\\n')\n }\n\n // Try using the anchor method, fallback to blacklist if necessary\n err.stack = stripWithAnchor(err.stack) || stripWithBlacklist(err.stack)\n\n throw err // Re-throw our now sanitized error\n }\n }\n })\n return newHandler\n}",stripErrorWithAnchor:"(err, anchor) => {\n const stackArr = err.stack.split('\\n')\n const anchorIndex = stackArr.findIndex(line => line.trim().startsWith(anchor))\n if (anchorIndex === -1) {\n return err // 404, anchor not found\n }\n // Strip everything from the top until we reach the anchor line (remove anchor line as well)\n // Note: We're keeping the 1st line (zero index) as it's unrelated (e.g. `TypeError`)\n stackArr.splice(1, anchorIndex)\n err.stack = stackArr.join('\\n')\n return err\n}",replaceProperty:"(obj, propName, descriptorOverrides = {}) => {\n return Object.defineProperty(obj, propName, {\n // Copy over the existing descriptors (writable, enumerable, configurable, etc)\n ...(Object.getOwnPropertyDescriptor(obj, propName) || {}),\n // Add our overrides (e.g. value, get())\n ...descriptorOverrides\n })\n}",preloadCache:"() => {\n if (utils.cache) {\n return\n }\n utils.cache = {\n // Used in our proxies\n Reflect: {\n get: Reflect.get.bind(Reflect),\n apply: Reflect.apply.bind(Reflect)\n },\n // Used in `makeNativeString`\n nativeToStringStr: Function.toString + '' // => `function toString() { [native code] }`\n }\n}",makeNativeString:"(name = '') => {\n // Cache (per-window) the original native toString or use that if available\n utils.preloadCache()\n return utils.cache.nativeToStringStr.replace('toString', name || '')\n}",patchToString:"(obj, str = '') => {\n utils.preloadCache()\n\n const toStringProxy = new Proxy(Function.prototype.toString, {\n apply: function(target, ctx) {\n // This fixes e.g. `HTMLMediaElement.prototype.canPlayType.toString + \"\"`\n if (ctx === Function.prototype.toString) {\n return utils.makeNativeString('toString')\n }\n // `toString` targeted at our proxied Object detected\n if (ctx === obj) {\n // We either return the optional string verbatim or derive the most desired result automatically\n return str || utils.makeNativeString(obj.name)\n }\n // Check if the toString protype of the context is the same as the global prototype,\n // if not indicates that we are doing a check across different windows., e.g. the iframeWithdirect` test case\n const hasSameProto = Object.getPrototypeOf(\n Function.prototype.toString\n ).isPrototypeOf(ctx.toString) // eslint-disable-line no-prototype-builtins\n if (!hasSameProto) {\n // Pass the call on to the local Function.prototype.toString instead\n return ctx.toString()\n }\n return target.call(ctx)\n }\n })\n utils.replaceProperty(Function.prototype, 'toString', {\n value: toStringProxy\n })\n}",patchToStringNested:"(obj = {}) => {\n return utils.execRecursively(obj, ['function'], utils.patchToString)\n}",redirectToString:"(proxyObj, originalObj) => {\n utils.preloadCache()\n\n const toStringProxy = new Proxy(Function.prototype.toString, {\n apply: function(target, ctx) {\n // This fixes e.g. `HTMLMediaElement.prototype.canPlayType.toString + \"\"`\n if (ctx === Function.prototype.toString) {\n return utils.makeNativeString('toString')\n }\n\n // `toString` targeted at our proxied Object detected\n if (ctx === proxyObj) {\n const fallback = () =>\n originalObj && originalObj.name\n ? utils.makeNativeString(originalObj.name)\n : utils.makeNativeString(proxyObj.name)\n\n // Return the toString representation of our original object if possible\n return originalObj + '' || fallback()\n }\n\n // Check if the toString protype of the context is the same as the global prototype,\n // if not indicates that we are doing a check across different windows., e.g. the iframeWithdirect` test case\n const hasSameProto = Object.getPrototypeOf(\n Function.prototype.toString\n ).isPrototypeOf(ctx.toString) // eslint-disable-line no-prototype-builtins\n if (!hasSameProto) {\n // Pass the call on to the local Function.prototype.toString instead\n return ctx.toString()\n }\n\n return target.call(ctx)\n }\n })\n utils.replaceProperty(Function.prototype, 'toString', {\n value: toStringProxy\n })\n}",replaceWithProxy:"(obj, propName, handler) => {\n utils.preloadCache()\n const originalObj = obj[propName]\n const proxyObj = new Proxy(obj[propName], utils.stripProxyFromErrors(handler))\n\n utils.replaceProperty(obj, propName, { value: proxyObj })\n utils.redirectToString(proxyObj, originalObj)\n\n return true\n}",mockWithProxy:"(obj, propName, pseudoTarget, handler) => {\n utils.preloadCache()\n const proxyObj = new Proxy(pseudoTarget, utils.stripProxyFromErrors(handler))\n\n utils.replaceProperty(obj, propName, { value: proxyObj })\n utils.patchToString(proxyObj)\n\n return true\n}",createProxy:"(pseudoTarget, handler) => {\n utils.preloadCache()\n const proxyObj = new Proxy(pseudoTarget, utils.stripProxyFromErrors(handler))\n utils.patchToString(proxyObj)\n\n return proxyObj\n}",splitObjPath:"objPath => ({\n // Remove last dot entry (property) ==> `HTMLMediaElement.prototype`\n objName: objPath\n .split('.')\n .slice(0, -1)\n .join('.'),\n // Extract last dot entry ==> `canPlayType`\n propName: objPath.split('.').slice(-1)[0]\n})",replaceObjPathWithProxy:"(objPath, handler) => {\n const { objName, propName } = utils.splitObjPath(objPath)\n const obj = eval(objName) // eslint-disable-line no-eval\n return utils.replaceWithProxy(obj, propName, handler)\n}",execRecursively:"(obj = {}, typeFilter = [], fn) => {\n function recurse(obj) {\n for (const key in obj) {\n if (obj[key] === undefined) {\n continue\n }\n if (obj[key] && typeof obj[key] === 'object') {\n recurse(obj[key])\n } else {\n if (obj[key] && typeFilter.includes(typeof obj[key])) {\n fn.call(this, obj[key])\n }\n }\n }\n }\n recurse(obj)\n return obj\n}",stringifyFns:"(fnObj = { hello: () => 'world' }) => {\n // Object.fromEntries() ponyfill (in 6 lines) - supported only in Node v12+, modern browsers are fine\n // https://github.com/feross/fromentries\n function fromEntries(iterable) {\n return [...iterable].reduce((obj, [key, val]) => {\n obj[key] = val\n return obj\n }, {})\n }\n return (Object.fromEntries || fromEntries)(\n Object.entries(fnObj)\n .filter(([key, value]) => typeof value === 'function')\n .map(([key, value]) => [key, value.toString()]) // eslint-disable-line no-eval\n )\n}",materializeFns:"(fnStrObj = { hello: \"() => 'world'\" }) => {\n return Object.fromEntries(\n Object.entries(fnStrObj).map(([key, value]) => {\n if (value.startsWith('function')) {\n // some trickery is needed to make oldschool functions work :-)\n return [key, eval(`() => ${value}`)()] // eslint-disable-line no-eval\n } else {\n // arrow functions just work\n return [key, eval(value)] // eslint-disable-line no-eval\n }\n })\n )\n}"},_mainFunction:"(utils, { opts, STATIC_DATA }) => {\n if (!window.chrome) {\n // Use the exact property descriptor found in headful Chrome\n // fetch it via `Object.getOwnPropertyDescriptor(window, 'chrome')`\n Object.defineProperty(window, 'chrome', {\n writable: true,\n enumerable: true,\n configurable: false, // note!\n value: {} // We'll extend that later\n })\n }\n\n // That means we're running headful and don't need to mock anything\n const existsAlready = 'runtime' in window.chrome\n // `chrome.runtime` is only exposed on secure origins\n const isNotSecure = !window.location.protocol.startsWith('https')\n if (existsAlready || (isNotSecure && !opts.runOnInsecureOrigins)) {\n return // Nothing to do here\n }\n\n window.chrome.runtime = {\n // There's a bunch of static data in that property which doesn't seem to change,\n // we should periodically check for updates: `JSON.stringify(window.chrome.runtime, null, 2)`\n ...STATIC_DATA,\n // `chrome.runtime.id` is extension related and returns undefined in Chrome\n get id() {\n return undefined\n },\n // These two require more sophisticated mocks\n connect: null,\n sendMessage: null\n }\n\n const makeCustomRuntimeErrors = (preamble, method, extensionId) => ({\n NoMatchingSignature: new TypeError(\n preamble + `No matching signature.`\n ),\n MustSpecifyExtensionID: new TypeError(\n preamble +\n `${method} called from a webpage must specify an Extension ID (string) for its first argument.`\n ),\n InvalidExtensionID: new TypeError(\n preamble + `Invalid extension id: '${extensionId}'`\n )\n })\n\n // Valid Extension IDs are 32 characters in length and use the letter `a` to `p`:\n // https://source.chromium.org/chromium/chromium/src/+/master:components/crx_file/id_util.cc;drc=14a055ccb17e8c8d5d437fe080faba4c6f07beac;l=90\n const isValidExtensionID = str =>\n str.length === 32 && str.toLowerCase().match(/^[a-p]+$/)\n\n /** Mock `chrome.runtime.sendMessage` */\n const sendMessageHandler = {\n apply: function(target, ctx, args) {\n const [extensionId, options, responseCallback] = args || []\n\n // Define custom errors\n const errorPreamble = `Error in invocation of runtime.sendMessage(optional string extensionId, any message, optional object options, optional function responseCallback): `\n const Errors = makeCustomRuntimeErrors(\n errorPreamble,\n `chrome.runtime.sendMessage()`,\n extensionId\n )\n\n // Check if the call signature looks ok\n const noArguments = args.length === 0\n const tooManyArguments = args.length > 4\n const incorrectOptions = options && typeof options !== 'object'\n const incorrectResponseCallback =\n responseCallback && typeof responseCallback !== 'function'\n if (\n noArguments ||\n tooManyArguments ||\n incorrectOptions ||\n incorrectResponseCallback\n ) {\n throw Errors.NoMatchingSignature\n }\n\n // At least 2 arguments are required before we even validate the extension ID\n if (args.length < 2) {\n throw Errors.MustSpecifyExtensionID\n }\n\n // Now let's make sure we got a string as extension ID\n if (typeof extensionId !== 'string') {\n throw Errors.NoMatchingSignature\n }\n\n if (!isValidExtensionID(extensionId)) {\n throw Errors.InvalidExtensionID\n }\n\n return undefined // Normal behavior\n }\n }\n utils.mockWithProxy(\n window.chrome.runtime,\n 'sendMessage',\n function sendMessage() {},\n sendMessageHandler\n )\n\n /**\n * Mock `chrome.runtime.connect`\n *\n * @see https://developer.chrome.com/apps/runtime#method-connect\n */\n const connectHandler = {\n apply: function(target, ctx, args) {\n const [extensionId, connectInfo] = args || []\n\n // Define custom errors\n const errorPreamble = `Error in invocation of runtime.connect(optional string extensionId, optional object connectInfo): `\n const Errors = makeCustomRuntimeErrors(\n errorPreamble,\n `chrome.runtime.connect()`,\n extensionId\n )\n\n // Behavior differs a bit from sendMessage:\n const noArguments = args.length === 0\n const emptyStringArgument = args.length === 1 && extensionId === ''\n if (noArguments || emptyStringArgument) {\n throw Errors.MustSpecifyExtensionID\n }\n\n const tooManyArguments = args.length > 2\n const incorrectConnectInfoType =\n connectInfo && typeof connectInfo !== 'object'\n\n if (tooManyArguments || incorrectConnectInfoType) {\n throw Errors.NoMatchingSignature\n }\n\n const extensionIdIsString = typeof extensionId === 'string'\n if (extensionIdIsString && extensionId === '') {\n throw Errors.MustSpecifyExtensionID\n }\n if (extensionIdIsString && !isValidExtensionID(extensionId)) {\n throw Errors.InvalidExtensionID\n }\n\n // There's another edge-case here: extensionId is optional so we might find a connectInfo object as first param, which we need to validate\n const validateConnectInfo = ci => {\n // More than a first param connectInfo as been provided\n if (args.length > 1) {\n throw Errors.NoMatchingSignature\n }\n // An empty connectInfo has been provided\n if (Object.keys(ci).length === 0) {\n throw Errors.MustSpecifyExtensionID\n }\n // Loop over all connectInfo props an check them\n Object.entries(ci).forEach(([k, v]) => {\n const isExpected = ['name', 'includeTlsChannelId'].includes(k)\n if (!isExpected) {\n throw new TypeError(\n errorPreamble + `Unexpected property: '${k}'.`\n )\n }\n const MismatchError = (propName, expected, found) =>\n TypeError(\n errorPreamble +\n `Error at property '${propName}': Invalid type: expected ${expected}, found ${found}.`\n )\n if (k === 'name' && typeof v !== 'string') {\n throw MismatchError(k, 'string', typeof v)\n }\n if (k === 'includeTlsChannelId' && typeof v !== 'boolean') {\n throw MismatchError(k, 'boolean', typeof v)\n }\n })\n }\n if (typeof extensionId === 'object') {\n validateConnectInfo(extensionId)\n throw Errors.MustSpecifyExtensionID\n }\n\n // Unfortunately even when the connect fails Chrome will return an object with methods we need to mock as well\n return utils.patchToStringNested(makeConnectResponse())\n }\n }\n utils.mockWithProxy(\n window.chrome.runtime,\n 'connect',\n function connect() {},\n connectHandler\n )\n\n function makeConnectResponse() {\n const onSomething = () => ({\n addListener: function addListener() {},\n dispatch: function dispatch() {},\n hasListener: function hasListener() {},\n hasListeners: function hasListeners() {\n return false\n },\n removeListener: function removeListener() {}\n })\n\n const response = {\n name: '',\n sender: undefined,\n disconnect: function disconnect() {},\n onDisconnect: onSomething(),\n onMessage: onSomething(),\n postMessage: function postMessage() {\n if (!arguments.length) {\n throw new TypeError(`Insufficient number of arguments.`)\n }\n throw new Error(`Attempting to use a disconnected port object`)\n }\n }\n return response\n }\n }",_args:[{opts:{runOnInsecureOrigins:!1},STATIC_DATA:{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"}}}]}),(({_utilsFns:_utilsFns,_mainFunction:_mainFunction,_args:_args})=>{const utils=Object.fromEntries(Object.entries(_utilsFns).map((([key,value])=>[key,eval(value)])));utils.preloadCache(),eval(_mainFunction)(utils,..._args)})({_utilsFns:{stripProxyFromErrors:"(handler = {}) => {\n const newHandler = {}\n // We wrap each trap in the handler in a try/catch and modify the error stack if they throw\n const traps = Object.getOwnPropertyNames(handler)\n traps.forEach(trap => {\n newHandler[trap] = function() {\n try {\n // Forward the call to the defined proxy handler\n return handler[trap].apply(this, arguments || [])\n } catch (err) {\n // Stack traces differ per browser, we only support chromium based ones currently\n if (!err || !err.stack || !err.stack.includes(`at `)) {\n throw err\n }\n\n // When something throws within one of our traps the Proxy will show up in error stacks\n // An earlier implementation of this code would simply strip lines with a blacklist,\n // but it makes sense to be more surgical here and only remove lines related to our Proxy.\n // We try to use a known \"anchor\" line for that and strip it with everything above it.\n // If the anchor line cannot be found for some reason we fall back to our blacklist approach.\n\n const stripWithBlacklist = stack => {\n const blacklist = [\n `at Reflect.${trap} `, // e.g. Reflect.get or Reflect.apply\n `at Object.${trap} `, // e.g. Object.get or Object.apply\n `at Object.newHandler.<computed> [as ${trap}] ` // caused by this very wrapper :-)\n ]\n return (\n err.stack\n .split('\\n')\n // Always remove the first (file) line in the stack (guaranteed to be our proxy)\n .filter((line, index) => index !== 1)\n // Check if the line starts with one of our blacklisted strings\n .filter(line => !blacklist.some(bl => line.trim().startsWith(bl)))\n .join('\\n')\n )\n }\n\n const stripWithAnchor = stack => {\n const stackArr = stack.split('\\n')\n const anchor = `at Object.newHandler.<computed> [as ${trap}] ` // Known first Proxy line in chromium\n const anchorIndex = stackArr.findIndex(line =>\n line.trim().startsWith(anchor)\n )\n if (anchorIndex === -1) {\n return false // 404, anchor not found\n }\n // Strip everything from the top until we reach the anchor line\n // Note: We're keeping the 1st line (zero index) as it's unrelated (e.g. `TypeError`)\n stackArr.splice(1, anchorIndex)\n return stackArr.join('\\n')\n }\n\n // Try using the anchor method, fallback to blacklist if necessary\n err.stack = stripWithAnchor(err.stack) || stripWithBlacklist(err.stack)\n\n throw err // Re-throw our now sanitized error\n }\n }\n })\n return newHandler\n}",stripErrorWithAnchor:"(err, anchor) => {\n const stackArr = err.stack.split('\\n')\n const anchorIndex = stackArr.findIndex(line => line.trim().startsWith(anchor))\n if (anchorIndex === -1) {\n return err // 404, anchor not found\n }\n // Strip everything from the top until we reach the anchor line (remove anchor line as well)\n // Note: We're keeping the 1st line (zero index) as it's unrelated (e.g. `TypeError`)\n stackArr.splice(1, anchorIndex)\n err.stack = stackArr.join('\\n')\n return err\n}",replaceProperty:"(obj, propName, descriptorOverrides = {}) => {\n return Object.defineProperty(obj, propName, {\n // Copy over the existing descriptors (writable, enumerable, configurable, etc)\n ...(Object.getOwnPropertyDescriptor(obj, propName) || {}),\n // Add our overrides (e.g. value, get())\n ...descriptorOverrides\n })\n}",preloadCache:"() => {\n if (utils.cache) {\n return\n }\n utils.cache = {\n // Used in our proxies\n Reflect: {\n get: Reflect.get.bind(Reflect),\n apply: Reflect.apply.bind(Reflect)\n },\n // Used in `makeNativeString`\n nativeToStringStr: Function.toString + '' // => `function toString() { [native code] }`\n }\n}",makeNativeString:"(name = '') => {\n // Cache (per-window) the original native toString or use that if available\n utils.preloadCache()\n return utils.cache.nativeToStringStr.replace('toString', name || '')\n}",patchToString:"(obj, str = '') => {\n utils.preloadCache()\n\n const toStringProxy = new Proxy(Function.prototype.toString, {\n apply: function(target, ctx) {\n // This fixes e.g. `HTMLMediaElement.prototype.canPlayType.toString + \"\"`\n if (ctx === Function.prototype.toString) {\n return utils.makeNativeString('toString')\n }\n // `toString` targeted at our proxied Object detected\n if (ctx === obj) {\n // We either return the optional string verbatim or derive the most desired result automatically\n return str || utils.makeNativeString(obj.name)\n }\n // Check if the toString protype of the context is the same as the global prototype,\n // if not indicates that we are doing a check across different windows., e.g. the iframeWithdirect` test case\n const hasSameProto = Object.getPrototypeOf(\n Function.prototype.toString\n ).isPrototypeOf(ctx.toString) // eslint-disable-line no-prototype-builtins\n if (!hasSameProto) {\n // Pass the call on to the local Function.prototype.toString instead\n return ctx.toString()\n }\n return target.call(ctx)\n }\n })\n utils.replaceProperty(Function.prototype, 'toString', {\n value: toStringProxy\n })\n}",patchToStringNested:"(obj = {}) => {\n return utils.execRecursively(obj, ['function'], utils.patchToString)\n}",redirectToString:"(proxyObj, originalObj) => {\n utils.preloadCache()\n\n const toStringProxy = new Proxy(Function.prototype.toString, {\n apply: function(target, ctx) {\n // This fixes e.g. `HTMLMediaElement.prototype.canPlayType.toString + \"\"`\n if (ctx === Function.prototype.toString) {\n return utils.makeNativeString('toString')\n }\n\n // `toString` targeted at our proxied Object detected\n if (ctx === proxyObj) {\n const fallback = () =>\n originalObj && originalObj.name\n ? utils.makeNativeString(originalObj.name)\n : utils.makeNativeString(proxyObj.name)\n\n // Return the toString representation of our original object if possible\n return originalObj + '' || fallback()\n }\n\n // Check if the toString protype of the context is the same as the global prototype,\n // if not indicates that we are doing a check across different windows., e.g. the iframeWithdirect` test case\n const hasSameProto = Object.getPrototypeOf(\n Function.prototype.toString\n ).isPrototypeOf(ctx.toString) // eslint-disable-line no-prototype-builtins\n if (!hasSameProto) {\n // Pass the call on to the local Function.prototype.toString instead\n return ctx.toString()\n }\n\n return target.call(ctx)\n }\n })\n utils.replaceProperty(Function.prototype, 'toString', {\n value: toStringProxy\n })\n}",replaceWithProxy:"(obj, propName, handler) => {\n utils.preloadCache()\n const originalObj = obj[propName]\n const proxyObj = new Proxy(obj[propName], utils.stripProxyFromErrors(handler))\n\n utils.replaceProperty(obj, propName, { value: proxyObj })\n utils.redirectToString(proxyObj, originalObj)\n\n return true\n}",mockWithProxy:"(obj, propName, pseudoTarget, handler) => {\n utils.preloadCache()\n const proxyObj = new Proxy(pseudoTarget, utils.stripProxyFromErrors(handler))\n\n utils.replaceProperty(obj, propName, { value: proxyObj })\n utils.patchToString(proxyObj)\n\n return true\n}",createProxy:"(pseudoTarget, handler) => {\n utils.preloadCache()\n const proxyObj = new Proxy(pseudoTarget, utils.stripProxyFromErrors(handler))\n utils.patchToString(proxyObj)\n\n return proxyObj\n}",splitObjPath:"objPath => ({\n // Remove last dot entry (property) ==> `HTMLMediaElement.prototype`\n objName: objPath\n .split('.')\n .slice(0, -1)\n .join('.'),\n // Extract last dot entry ==> `canPlayType`\n propName: objPath.split('.').slice(-1)[0]\n})",replaceObjPathWithProxy:"(objPath, handler) => {\n const { objName, propName } = utils.splitObjPath(objPath)\n const obj = eval(objName) // eslint-disable-line no-eval\n return utils.replaceWithProxy(obj, propName, handler)\n}",execRecursively:"(obj = {}, typeFilter = [], fn) => {\n function recurse(obj) {\n for (const key in obj) {\n if (obj[key] === undefined) {\n continue\n }\n if (obj[key] && typeof obj[key] === 'object') {\n recurse(obj[key])\n } else {\n if (obj[key] && typeFilter.includes(typeof obj[key])) {\n fn.call(this, obj[key])\n }\n }\n }\n }\n recurse(obj)\n return obj\n}",stringifyFns:"(fnObj = { hello: () => 'world' }) => {\n // Object.fromEntries() ponyfill (in 6 lines) - supported only in Node v12+, modern browsers are fine\n // https://github.com/feross/fromentries\n function fromEntries(iterable) {\n return [...iterable].reduce((obj, [key, val]) => {\n obj[key] = val\n return obj\n }, {})\n }\n return (Object.fromEntries || fromEntries)(\n Object.entries(fnObj)\n .filter(([key, value]) => typeof value === 'function')\n .map(([key, value]) => [key, value.toString()]) // eslint-disable-line no-eval\n )\n}",materializeFns:"(fnStrObj = { hello: \"() => 'world'\" }) => {\n return Object.fromEntries(\n Object.entries(fnStrObj).map(([key, value]) => {\n if (value.startsWith('function')) {\n // some trickery is needed to make oldschool functions work :-)\n return [key, eval(`() => ${value}`)()] // eslint-disable-line no-eval\n } else {\n // arrow functions just work\n return [key, eval(value)] // eslint-disable-line no-eval\n }\n })\n )\n}"},_mainFunction:"utils => {\n /**\n * Input might look funky, we need to normalize it so e.g. whitespace isn't an issue for our spoofing.\n *\n * @example\n * video/webm; codecs=\"vp8, vorbis\"\n * video/mp4; codecs=\"avc1.42E01E\"\n * audio/x-m4a;\n * audio/ogg; codecs=\"vorbis\"\n * @param {String} arg\n */\n const parseInput = arg => {\n const [mime, codecStr] = arg.trim().split(';')\n let codecs = []\n if (codecStr && codecStr.includes('codecs=\"')) {\n codecs = codecStr\n .trim()\n .replace(`codecs=\"`, '')\n .replace(`\"`, '')\n .trim()\n .split(',')\n .filter(x => !!x)\n .map(x => x.trim())\n }\n return {\n mime,\n codecStr,\n codecs\n }\n }\n\n const canPlayType = {\n // Intercept certain requests\n apply: function(target, ctx, args) {\n if (!args || !args.length) {\n return target.apply(ctx, args)\n }\n const { mime, codecs } = parseInput(args[0])\n // This specific mp4 codec is missing in Chromium\n if (mime === 'video/mp4') {\n if (codecs.includes('avc1.42E01E')) {\n return 'probably'\n }\n }\n // This mimetype is only supported if no codecs are specified\n if (mime === 'audio/x-m4a' && !codecs.length) {\n return 'maybe'\n }\n\n // This mimetype is only supported if no codecs are specified\n if (mime === 'audio/aac' && !codecs.length) {\n return 'probably'\n }\n // Everything else as usual\n return target.apply(ctx, args)\n }\n }\n\n /* global HTMLMediaElement */\n utils.replaceWithProxy(\n HTMLMediaElement.prototype,\n 'canPlayType',\n canPlayType\n )\n }",_args:[]}),(({_utilsFns:_utilsFns,_mainFunction:_mainFunction,_args:_args})=>{const utils=Object.fromEntries(Object.entries(_utilsFns).map((([key,value])=>[key,eval(value)])));utils.preloadCache(),eval(_mainFunction)(utils,..._args)})({_utilsFns:{stripProxyFromErrors:"(handler = {}) => {\n const newHandler = {}\n // We wrap each trap in the handler in a try/catch and modify the error stack if they throw\n const traps = Object.getOwnPropertyNames(handler)\n traps.forEach(trap => {\n newHandler[trap] = function() {\n try {\n // Forward the call to the defined proxy handler\n return handler[trap].apply(this, arguments || [])\n } catch (err) {\n // Stack traces differ per browser, we only support chromium based ones currently\n if (!err || !err.stack || !err.stack.includes(`at `)) {\n throw err\n }\n\n // When something throws within one of our traps the Proxy will show up in error stacks\n // An earlier implementation of this code would simply strip lines with a blacklist,\n // but it makes sense to be more surgical here and only remove lines related to our Proxy.\n // We try to use a known \"anchor\" line for that and strip it with everything above it.\n // If the anchor line cannot be found for some reason we fall back to our blacklist approach.\n\n const stripWithBlacklist = stack => {\n const blacklist = [\n `at Reflect.${trap} `, // e.g. Reflect.get or Reflect.apply\n `at Object.${trap} `, // e.g. Object.get or Object.apply\n `at Object.newHandler.<computed> [as ${trap}] ` // caused by this very wrapper :-)\n ]\n return (\n err.stack\n .split('\\n')\n // Always remove the first (file) line in the stack (guaranteed to be our proxy)\n .filter((line, index) => index !== 1)\n // Check if the line starts with one of our blacklisted strings\n .filter(line => !blacklist.some(bl => line.trim().startsWith(bl)))\n .join('\\n')\n )\n }\n\n const stripWithAnchor = stack => {\n const stackArr = stack.split('\\n')\n const anchor = `at Object.newHandler.<computed> [as ${trap}] ` // Known first Proxy line in chromium\n const anchorIndex = stackArr.findIndex(line =>\n line.trim().startsWith(anchor)\n )\n if (anchorIndex === -1) {\n return false // 404, anchor not found\n }\n // Strip everything from the top until we reach the anchor line\n // Note: We're keeping the 1st line (zero index) as it's unrelated (e.g. `TypeError`)\n stackArr.splice(1, anchorIndex)\n return stackArr.join('\\n')\n }\n\n // Try using the anchor method, fallback to blacklist if necessary\n err.stack = stripWithAnchor(err.stack) || stripWithBlacklist(err.stack)\n\n throw err // Re-throw our now sanitized error\n }\n }\n })\n return newHandler\n}",stripErrorWithAnchor:"(err, anchor) => {\n const stackArr = err.stack.split('\\n')\n const anchorIndex = stackArr.findIndex(line => line.trim().startsWith(anchor))\n if (anchorIndex === -1) {\n return err // 404, anchor not found\n }\n // Strip everything from the top until we reach the anchor line (remove anchor line as well)\n // Note: We're keeping the 1st line (zero index) as it's unrelated (e.g. `TypeError`)\n stackArr.splice(1, anchorIndex)\n err.stack = stackArr.join('\\n')\n return err\n}",replaceProperty:"(obj, propName, descriptorOverrides = {}) => {\n return Object.defineProperty(obj, propName, {\n // Copy over the existing descriptors (writable, enumerable, configurable, etc)\n ...(Object.getOwnPropertyDescriptor(obj, propName) || {}),\n // Add our overrides (e.g. value, get())\n ...descriptorOverrides\n })\n}",preloadCache:"() => {\n if (utils.cache) {\n return\n }\n utils.cache = {\n // Used in our proxies\n Reflect: {\n get: Reflect.get.bind(Reflect),\n apply: Reflect.apply.bind(Reflect)\n },\n // Used in `makeNativeString`\n nativeToStringStr: Function.toString + '' // => `function toString() { [native code] }`\n }\n}",makeNativeString:"(name = '') => {\n // Cache (per-window) the original native toString or use that if available\n utils.preloadCache()\n return utils.cache.nativeToStringStr.replace('toString', name || '')\n}",patchToString:"(obj, str = '') => {\n utils.preloadCache()\n\n const toStringProxy = new Proxy(Function.prototype.toString, {\n apply: function(target, ctx) {\n // This fixes e.g. `HTMLMediaElement.prototype.canPlayType.toString + \"\"`\n if (ctx === Function.prototype.toString) {\n return utils.makeNativeString('toString')\n }\n // `toString` targeted at our proxied Object detected\n if (ctx === obj) {\n // We either return the optional string verbatim or derive the most desired result automatically\n return str || utils.makeNativeString(obj.name)\n }\n // Check if the toString protype of the context is the same as the global prototype,\n // if not indicates that we are doing a check across different windows., e.g. the iframeWithdirect` test case\n const hasSameProto = Object.getPrototypeOf(\n Function.prototype.toString\n ).isPrototypeOf(ctx.toString) // eslint-disable-line no-prototype-builtins\n if (!hasSameProto) {\n // Pass the call on to the local Function.prototype.toString instead\n return ctx.toString()\n }\n return target.call(ctx)\n }\n })\n utils.replaceProperty(Function.prototype, 'toString', {\n value: toStringProxy\n })\n}",patchToStringNested:"(obj = {}) => {\n return utils.execRecursively(obj, ['function'], utils.patchToString)\n}",redirectToString:"(proxyObj, originalObj) => {\n utils.preloadCache()\n\n const toStringProxy = new Proxy(Function.prototype.toString, {\n apply: function(target, ctx) {\n // This fixes e.g. `HTMLMediaElement.prototype.canPlayType.toString + \"\"`\n if (ctx === Function.prototype.toString) {\n return utils.makeNativeString('toString')\n }\n\n // `toString` targeted at our proxied Object detected\n if (ctx === proxyObj) {\n const fallback = () =>\n originalObj && originalObj.name\n ? utils.makeNativeString(originalObj.name)\n : utils.makeNativeString(proxyObj.name)\n\n // Return the toString representation of our original object if possible\n return originalObj + '' || fallback()\n }\n\n // Check if the toString protype of the context is the same as the global prototype,\n // if not indicates that we are doing a check across different windows., e.g. the iframeWithdirect` test case\n const hasSameProto = Object.getPrototypeOf(\n Function.prototype.toString\n ).isPrototypeOf(ctx.toString) // eslint-disable-line no-prototype-builtins\n if (!hasSameProto) {\n // Pass the call on to the local Function.prototype.toString instead\n return ctx.toString()\n }\n\n return target.call(ctx)\n }\n })\n utils.replaceProperty(Function.prototype, 'toString', {\n value: toStringProxy\n })\n}",replaceWithProxy:"(obj, propName, handler) => {\n utils.preloadCache()\n const originalObj = obj[propName]\n const proxyObj = new Proxy(obj[propName], utils.stripProxyFromErrors(handler))\n\n utils.replaceProperty(obj, propName, { value: proxyObj })\n utils.redirectToString(proxyObj, originalObj)\n\n return true\n}",mockWithProxy:"(obj, propName, pseudoTarget, handler) => {\n utils.preloadCache()\n const proxyObj = new Proxy(pseudoTarget, utils.stripProxyFromErrors(handler))\n\n utils.replaceProperty(obj, propName, { value: proxyObj })\n utils.patchToString(proxyObj)\n\n return true\n}",createProxy:"(pseudoTarget, handler) => {\n utils.preloadCache()\n const proxyObj = new Proxy(pseudoTarget, utils.stripProxyFromErrors(handler))\n utils.patchToString(proxyObj)\n\n return proxyObj\n}",splitObjPath:"objPath => ({\n // Remove last dot entry (property) ==> `HTMLMediaElement.prototype`\n objName: objPath\n .split('.')\n .slice(0, -1)\n .join('.'),\n // Extract last dot entry ==> `canPlayType`\n propName: objPath.split('.').slice(-1)[0]\n})",replaceObjPathWithProxy:"(objPath, handler) => {\n const { objName, propName } = utils.splitObjPath(objPath)\n const obj = eval(objName) // eslint-disable-line no-eval\n return utils.replaceWithProxy(obj, propName, handler)\n}",execRecursively:"(obj = {}, typeFilter = [], fn) => {\n function recurse(obj) {\n for (const key in obj) {\n if (obj[key] === undefined) {\n continue\n }\n if (obj[key] && typeof obj[key] === 'object') {\n recurse(obj[key])\n } else {\n if (obj[key] && typeFilter.includes(typeof obj[key])) {\n fn.call(this, obj[key])\n }\n }\n }\n }\n recurse(obj)\n return obj\n}",stringifyFns:"(fnObj = { hello: () => 'world' }) => {\n // Object.fromEntries() ponyfill (in 6 lines) - supported only in Node v12+, modern browsers are fine\n // https://github.com/feross/fromentries\n function fromEntries(iterable) {\n return [...iterable].reduce((obj, [key, val]) => {\n obj[key] = val\n return obj\n }, {})\n }\n return (Object.fromEntries || fromEntries)(\n Object.entries(fnObj)\n .filter(([key, value]) => typeof value === 'function')\n .map(([key, value]) => [key, value.toString()]) // eslint-disable-line no-eval\n )\n}",materializeFns:"(fnStrObj = { hello: \"() => 'world'\" }) => {\n return Object.fromEntries(\n Object.entries(fnStrObj).map(([key, value]) => {\n if (value.startsWith('function')) {\n // some trickery is needed to make oldschool functions work :-)\n return [key, eval(`() => ${value}`)()] // eslint-disable-line no-eval\n } else {\n // arrow functions just work\n return [key, eval(value)] // eslint-disable-line no-eval\n }\n })\n )\n}"},_mainFunction:"(utils, opts) => {\n const patchNavigator = (name, value) =>\n utils.replaceProperty(Object.getPrototypeOf(navigator), name, {\n get() {\n return value\n }\n })\n\n patchNavigator('hardwareConcurrency', opts.hardwareConcurrency || 4)\n }",_args:[{}]}),opts={},Object.defineProperty(Object.getPrototypeOf(navigator),"languages",{get:()=>opts.languages||["en-US","en"]}),(({_utilsFns:_utilsFns,_mainFunction:_mainFunction,_args:_args})=>{const utils=Object.fromEntries(Object.entries(_utilsFns).map((([key,value])=>[key,eval(value)])));utils.preloadCache(),eval(_mainFunction)(utils,..._args)})({_utilsFns:{stripProxyFromErrors:"(handler = {}) => {\n const newHandler = {}\n // We wrap each trap in the handler in a try/catch and modify the error stack if they throw\n const traps = Object.getOwnPropertyNames(handler)\n traps.forEach(trap => {\n newHandler[trap] = function() {\n try {\n // Forward the call to the defined proxy handler\n return handler[trap].apply(this, arguments || [])\n } catch (err) {\n // Stack traces differ per browser, we only support chromium based ones currently\n if (!err || !err.stack || !err.stack.includes(`at `)) {\n throw err\n }\n\n // When something throws within one of our traps the Proxy will show up in error stacks\n // An earlier implementation of this code would simply strip lines with a blacklist,\n // but it makes sense to be more surgical here and only remove lines related to our Proxy.\n // We try to use a known \"anchor\" line for that and strip it with everything above it.\n // If the anchor line cannot be found for some reason we fall back to our blacklist approach.\n\n const stripWithBlacklist = stack => {\n const blacklist = [\n `at Reflect.${trap} `, // e.g. Reflect.get or Reflect.apply\n `at Object.${trap} `, // e.g. Object.get or Object.apply\n `at Object.newHandler.<computed> [as ${trap}] ` // caused by this very wrapper :-)\n ]\n return (\n err.stack\n .split('\\n')\n // Always remove the first (file) line in the stack (guaranteed to be our proxy)\n .filter((line, index) => index !== 1)\n // Check if the line starts with one of our blacklisted strings\n .filter(line => !blacklist.some(bl => line.trim().startsWith(bl)))\n .join('\\n')\n )\n }\n\n const stripWithAnchor = stack => {\n const stackArr = stack.split('\\n')\n const anchor = `at Object.newHandler.<computed> [as ${trap}] ` // Known first Proxy line in chromium\n const anchorIndex = stackArr.findIndex(line =>\n line.trim().startsWith(anchor)\n )\n if (anchorIndex === -1) {\n return false // 404, anchor not found\n }\n // Strip everything from the top until we reach the anchor line\n // Note: We're keeping the 1st line (zero index) as it's unrelated (e.g. `TypeError`)\n stackArr.splice(1, anchorIndex)\n return stackArr.join('\\n')\n }\n\n // Try using the anchor method, fallback to blacklist if necessary\n err.stack = stripWithAnchor(err.stack) || stripWithBlacklist(err.stack)\n\n throw err // Re-throw our now sanitized error\n }\n }\n })\n return newHandler\n}",stripErrorWithAnchor:"(err, anchor) => {\n const stackArr = err.stack.split('\\n')\n const anchorIndex = stackArr.findIndex(line => line.trim().startsWith(anchor))\n if (anchorIndex === -1) {\n return err // 404, anchor not found\n }\n // Strip everything from the top until we reach the anchor line (remove anchor line as well)\n // Note: We're keeping the 1st line (zero index) as it's unrelated (e.g. `TypeError`)\n stackArr.splice(1, anchorIndex)\n err.stack = stackArr.join('\\n')\n return err\n}",replaceProperty:"(obj, propName, descriptorOverrides = {}) => {\n return Object.defineProperty(obj, propName, {\n // Copy over the existing descriptors (writable, enumerable, configurable, etc)\n ...(Object.getOwnPropertyDescriptor(obj, propName) || {}),\n // Add our overrides (e.g. value, get())\n ...descriptorOverrides\n })\n}",preloadCache:"() => {\n if (utils.cache) {\n return\n }\n utils.cache = {\n // Used in our proxies\n Reflect: {\n get: Reflect.get.bind(Reflect),\n apply: Reflect.apply.bind(Reflect)\n },\n // Used in `makeNativeString`\n nativeToStringStr: Function.toString + '' // => `function toString() { [native code] }`\n }\n}",makeNativeString:"(name = '') => {\n // Cache (per-window) the original native toString or use that if available\n utils.preloadCache()\n return utils.cache.nativeToStringStr.replace('toString', name || '')\n}",patchToString:"(obj, str = '') => {\n utils.preloadCache()\n\n const toStringProxy = new Proxy(Function.prototype.toString, {\n apply: function(target, ctx) {\n // This fixes e.g. `HTMLMediaElement.prototype.canPlayType.toString + \"\"`\n if (ctx === Function.prototype.toString) {\n return utils.makeNativeString('toString')\n }\n // `toString` targeted at our proxied Object detected\n if (ctx === obj) {\n // We either return the optional string verbatim or derive the most desired result automatically\n return str || utils.makeNativeString(obj.name)\n }\n // Check if the toString protype of the context is the same as the global prototype,\n // if not indicates that we are doing a check across different windows., e.g. the iframeWithdirect` test case\n const hasSameProto = Object.getPrototypeOf(\n Function.prototype.toString\n ).isPrototypeOf(ctx.toString) // eslint-disable-line no-prototype-builtins\n if (!hasSameProto) {\n // Pass the call on to the local Function.prototype.toString instead\n return ctx.toString()\n }\n return target.call(ctx)\n }\n })\n utils.replaceProperty(Function.prototype, 'toString', {\n value: toStringProxy\n })\n}",patchToStringNested:"(obj = {}) => {\n return utils.execRecursively(obj, ['function'], utils.patchToString)\n}",redirectToString:"(proxyObj, originalObj) => {\n utils.preloadCache()\n\n const toStringProxy = new Proxy(Function.prototype.toString, {\n apply: function(target, ctx) {\n // This fixes e.g. `HTMLMediaElement.prototype.canPlayType.toString + \"\"`\n if (ctx === Function.prototype.toString) {\n return utils.makeNativeString('toString')\n }\n\n // `toString` targeted at our proxied Object detected\n if (ctx === proxyObj) {\n const fallback = () =>\n originalObj && originalObj.name\n ? utils.makeNativeString(originalObj.name)\n : utils.makeNativeString(proxyObj.name)\n\n // Return the toString representation of our original object if possible\n return originalObj + '' || fallback()\n }\n\n // Check if the toString protype of the context is the same as the global prototype,\n // if not indicates that we are doing a check across different windows., e.g. the iframeWithdirect` test case\n const hasSameProto = Object.getPrototypeOf(\n Function.prototype.toString\n ).isPrototypeOf(ctx.toString) // eslint-disable-line no-prototype-builtins\n if (!hasSameProto) {\n // Pass the call on to the local Function.prototype.toString instead\n return ctx.toString()\n }\n\n return target.call(ctx)\n }\n })\n utils.replaceProperty(Function.prototype, 'toString', {\n value: toStringProxy\n })\n}",replaceWithProxy:"(obj, propName, handler) => {\n utils.preloadCache()\n const originalObj = obj[propName]\n const proxyObj = new Proxy(obj[propName], utils.stripProxyFromErrors(handler))\n\n utils.replaceProperty(obj, propName, { value: proxyObj })\n utils.redirectToString(proxyObj, originalObj)\n\n return true\n}",mockWithProxy:"(obj, propName, pseudoTarget, handler) => {\n utils.preloadCache()\n const proxyObj = new Proxy(pseudoTarget, utils.stripProxyFromErrors(handler))\n\n utils.replaceProperty(obj, propName, { value: proxyObj })\n utils.patchToString(proxyObj)\n\n return true\n}",createProxy:"(pseudoTarget, handler) => {\n utils.preloadCache()\n const proxyObj = new Proxy(pseudoTarget, utils.stripProxyFromErrors(handler))\n utils.patchToString(proxyObj)\n\n return proxyObj\n}",splitObjPath:"objPath => ({\n // Remove last dot entry (property) ==> `HTMLMediaElement.prototype`\n objName: objPath\n .split('.')\n .slice(0, -1)\n .join('.'),\n // Extract last dot entry ==> `canPlayType`\n propName: objPath.split('.').slice(-1)[0]\n})",replaceObjPathWithProxy:"(objPath, handler) => {\n const { objName, propName } = utils.splitObjPath(objPath)\n const obj = eval(objName) // eslint-disable-line no-eval\n return utils.replaceWithProxy(obj, propName, handler)\n}",execRecursively:"(obj = {}, typeFilter = [], fn) => {\n function recurse(obj) {\n for (const key in obj) {\n if (obj[key] === undefined) {\n continue\n }\n if (obj[key] && typeof obj[key] === 'object') {\n recurse(obj[key])\n } else {\n if (obj[key] && typeFilter.includes(typeof obj[key])) {\n fn.call(this, obj[key])\n }\n }\n }\n }\n recurse(obj)\n return obj\n}",stringifyFns:"(fnObj = { hello: () => 'world' }) => {\n // Object.fromEntries() ponyfill (in 6 lines) - supported only in Node v12+, modern browsers are fine\n // https://github.com/feross/fromentries\n function fromEntries(iterable) {\n return [...iterable].reduce((obj, [key, val]) => {\n obj[key] = val\n return obj\n }, {})\n }\n return (Object.fromEntries || fromEntries)(\n Object.entries(fnObj)\n .filter(([key, value]) => typeof value === 'function')\n .map(([key, value]) => [key, value.toString()]) // eslint-disable-line no-eval\n )\n}",materializeFns:"(fnStrObj = { hello: \"() => 'world'\" }) => {\n return Object.fromEntries(\n Object.entries(fnStrObj).map(([key, value]) => {\n if (value.startsWith('function')) {\n // some trickery is needed to make oldschool functions work :-)\n return [key, eval(`() => ${value}`)()] // eslint-disable-line no-eval\n } else {\n // arrow functions just work\n return [key, eval(value)] // eslint-disable-line no-eval\n }\n })\n )\n}"},_mainFunction:"(utils, opts) => {\n const handler = {\n apply: function(target, ctx, args) {\n const param = (args || [])[0]\n\n if (param && param.name && param.name === 'notifications') {\n const result = { state: Notification.permission }\n Object.setPrototypeOf(result, PermissionStatus.prototype)\n return Promise.resolve(result)\n }\n\n return utils.cache.Reflect.apply(...arguments)\n }\n }\n\n utils.replaceWithProxy(\n window.navigator.permissions.__proto__, // eslint-disable-line no-proto\n 'query',\n handler\n )\n }",_args:[{}]}),(({_utilsFns:_utilsFns,_mainFunction:_mainFunction,_args:_args})=>{const utils=Object.fromEntries(Object.entries(_utilsFns).map((([key,value])=>[key,eval(value)])));utils.preloadCache(),eval(_mainFunction)(utils,..._args)})({_utilsFns:{stripProxyFromErrors:"(handler = {}) => {\n const newHandler = {}\n // We wrap each trap in the handler in a try/catch and modify the error stack if they throw\n const traps = Object.getOwnPropertyNames(handler)\n traps.forEach(trap => {\n newHandler[trap] = function() {\n try {\n // Forward the call to the defined proxy handler\n return handler[trap].apply(this, arguments || [])\n } catch (err) {\n // Stack traces differ per browser, we only support chromium based ones currently\n if (!err || !err.stack || !err.stack.includes(`at `)) {\n throw err\n }\n\n // When something throws within one of our traps the Proxy will show up in error stacks\n // An earlier implementation of this code would simply strip lines with a blacklist,\n // but it makes sense to be more surgical here and only remove lines related to our Proxy.\n // We try to use a known \"anchor\" line for that and strip it with everything above it.\n // If the anchor line cannot be found for some reason we fall back to our blacklist approach.\n\n const stripWithBlacklist = stack => {\n const blacklist = [\n `at Reflect.${trap} `, // e.g. Reflect.get or Reflect.apply\n `at Object.${trap} `, // e.g. Object.get or Object.apply\n `at Object.newHandler.<computed> [as ${trap}] ` // caused by this very wrapper :-)\n ]\n return (\n err.stack\n .split('\\n')\n // Always remove the first (file) line in the stack (guaranteed to be our proxy)\n .filter((line, index) => index !== 1)\n // Check if the line starts with one of our blacklisted strings\n .filter(line => !blacklist.some(bl => line.trim().startsWith(bl)))\n .join('\\n')\n )\n }\n\n const stripWithAnchor = stack => {\n const stackArr = stack.split('\\n')\n const anchor = `at Object.newHandler.<computed> [as ${trap}] ` // Known first Proxy line in chromium\n const anchorIndex = stackArr.findIndex(line =>\n line.trim().startsWith(anchor)\n )\n if (anchorIndex === -1) {\n return false // 404, anchor not found\n }\n // Strip everything from the top until we reach the anchor line\n // Note: We're keeping the 1st line (zero index) as it's unrelated (e.g. `TypeError`)\n stackArr.splice(1, anchorIndex)\n return stackArr.join('\\n')\n }\n\n // Try using the anchor method, fallback to blacklist if necessary\n err.stack = stripWithAnchor(err.stack) || stripWithBlacklist(err.stack)\n\n throw err // Re-throw our now sanitized error\n }\n }\n })\n return newHandler\n}",stripErrorWithAnchor:"(err, anchor) => {\n const stackArr = err.stack.split('\\n')\n const anchorIndex = stackArr.findIndex(line => line.trim().startsWith(anchor))\n if (anchorIndex === -1) {\n return err // 404, anchor not found\n }\n // Strip everything from the top until we reach the anchor line (remove anchor line as well)\n // Note: We're keeping the 1st line (zero index) as it's unrelated (e.g. `TypeError`)\n stackArr.splice(1, anchorIndex)\n err.stack = stackArr.join('\\n')\n return err\n}",replaceProperty:"(obj, propName, descriptorOverrides = {}) => {\n return Object.defineProperty(obj, propName, {\n // Copy over the existing descriptors (writable, enumerable, configurable, etc)\n ...(Object.getOwnPropertyDescriptor(obj, propName) || {}),\n // Add our overrides (e.g. value, get())\n ...descriptorOverrides\n })\n}",preloadCache:"() => {\n if (utils.cache) {\n return\n }\n utils.cache = {\n // Used in our proxies\n Reflect: {\n get: Reflect.get.bind(Reflect),\n apply: Reflect.apply.bind(Reflect)\n },\n // Used in `makeNativeString`\n nativeToStringStr: Function.toString + '' // => `function toString() { [native code] }`\n }\n}",makeNativeString:"(name = '') => {\n // Cache (per-window) the original native toString or use that if available\n utils.preloadCache()\n return utils.cache.nativeToStringStr.replace('toString', name || '')\n}",patchToString:"(obj, str = '') => {\n utils.preloadCache()\n\n const toStringProxy = new Proxy(Function.prototype.toString, {\n apply: function(target, ctx) {\n // This fixes e.g. `HTMLMediaElement.prototype.canPlayType.toString + \"\"`\n if (ctx === Function.prototype.toString) {\n return utils.makeNativeString('toString')\n }\n // `toString` targeted at our proxied Object detected\n if (ctx === obj) {\n // We either return the optional string verbatim or derive the most desired result automatically\n return str || utils.makeNativeString(obj.name)\n }\n // Check if the toString protype of the context is the same as the global prototype,\n // if not indicates that we are doing a check across different windows., e.g. the iframeWithdirect` test case\n const hasSameProto = Object.getPrototypeOf(\n Function.prototype.toString\n ).isPrototypeOf(ctx.toString) // eslint-disable-line no-prototype-builtins\n if (!hasSameProto) {\n // Pass the call on to the local Function.prototype.toString instead\n return ctx.toString()\n }\n return target.call(ctx)\n }\n })\n utils.replaceProperty(Function.prototype, 'toString', {\n value: toStringProxy\n })\n}",patchToStringNested:"(obj = {}) => {\n return utils.execRecursively(obj, ['function'], utils.patchToString)\n}",redirectToString:"(proxyObj, originalObj) => {\n utils.preloadCache()\n\n const toStringProxy = new Proxy(Function.prototype.toString, {\n apply: function(target, ctx) {\n // This fixes e.g. `HTMLMediaElement.prototype.canPlayType.toString + \"\"`\n if (ctx === Function.prototype.toString) {\n return utils.makeNativeString('toString')\n }\n\n // `toString` targeted at our proxied Object detected\n if (ctx === proxyObj) {\n const fallback = () =>\n originalObj && originalObj.name\n ? utils.makeNativeString(originalObj.name)\n : utils.makeNativeString(proxyObj.name)\n\n // Return the toString representation of our original object if possible\n return originalObj + '' || fallback()\n }\n\n // Check if the toString protype of the context is the same as the global prototype,\n // if not indicates that we are doing a check across different windows., e.g. the iframeWithdirect` test case\n const hasSameProto = Object.getPrototypeOf(\n Function.prototype.toString\n ).isPrototypeOf(ctx.toString) // eslint-disable-line no-prototype-builtins\n if (!hasSameProto) {\n // Pass the call on to the local Function.prototype.toString instead\n return ctx.toString()\n }\n\n return target.call(ctx)\n }\n })\n utils.replaceProperty(Function.prototype, 'toString', {\n value: toStringProxy\n })\n}",replaceWithProxy:"(obj, propName, handler) => {\n utils.preloadCache()\n const originalObj = obj[propName]\n const proxyObj = new Proxy(obj[propName], utils.stripProxyFromErrors(handler))\n\n utils.replaceProperty(obj, propName, { value: proxyObj })\n utils.redirectToString(proxyObj, originalObj)\n\n return true\n}",mockWithProxy:"(obj, propName, pseudoTarget, handler) => {\n utils.preloadCache()\n const proxyObj = new Proxy(pseudoTarget, utils.stripProxyFromErrors(handler))\n\n utils.replaceProperty(obj, propName, { value: proxyObj })\n utils.patchToString(proxyObj)\n\n return true\n}",createProxy:"(pseudoTarget, handler) => {\n utils.preloadCache()\n const proxyObj = new Proxy(pseudoTarget, utils.stripProxyFromErrors(handler))\n utils.patchToString(proxyObj)\n\n return proxyObj\n}",splitObjPath:"objPath => ({\n // Remove last dot entry (property) ==> `HTMLMediaElement.prototype`\n objName: objPath\n .split('.')\n .slice(0, -1)\n .join('.'),\n // Extract last dot entry ==> `canPlayType`\n propName: objPath.split('.').slice(-1)[0]\n})",replaceObjPathWithProxy:"(objPath, handler) => {\n const { objName, propName } = utils.splitObjPath(objPath)\n const obj = eval(objName) // eslint-disable-line no-eval\n return utils.replaceWithProxy(obj, propName, handler)\n}",execRecursively:"(obj = {}, typeFilter = [], fn) => {\n function recurse(obj) {\n for (const key in obj) {\n if (obj[key] === undefined) {\n continue\n }\n if (obj[key] && typeof obj[key] === 'object') {\n recurse(obj[key])\n } else {\n if (obj[key] && typeFilter.includes(typeof obj[key])) {\n fn.call(this, obj[key])\n }\n }\n }\n }\n recurse(obj)\n return obj\n}",stringifyFns:"(fnObj = { hello: () => 'world' }) => {\n // Object.fromEntries() ponyfill (in 6 lines) - supported only in Node v12+, modern browsers are fine\n // https://github.com/feross/fromentries\n function fromEntries(iterable) {\n return [...iterable].reduce((obj, [key, val]) => {\n obj[key] = val\n return obj\n }, {})\n }\n return (Object.fromEntries || fromEntries)(\n Object.entries(fnObj)\n .filter(([key, value]) => typeof value === 'function')\n .map(([key, value]) => [key, value.toString()]) // eslint-disable-line no-eval\n )\n}",materializeFns:"(fnStrObj = { hello: \"() => 'world'\" }) => {\n return Object.fromEntries(\n Object.entries(fnStrObj).map(([key, value]) => {\n if (value.startsWith('function')) {\n // some trickery is needed to make oldschool functions work :-)\n return [key, eval(`() => ${value}`)()] // eslint-disable-line no-eval\n } else {\n // arrow functions just work\n return [key, eval(value)] // eslint-disable-line no-eval\n }\n })\n )\n}"},_mainFunction:"(utils, { fns, data }) => {\n fns = utils.materializeFns(fns)\n\n // That means we're running headful\n const hasPlugins = 'plugins' in navigator && navigator.plugins.length\n if (hasPlugins) {\n return // nothing to do here\n }\n\n const mimeTypes = fns.generateMimeTypeArray(utils, fns)(data.mimeTypes)\n const plugins = fns.generatePluginArray(utils, fns)(data.plugins)\n\n // Plugin and MimeType cross-reference each other, let's do that now\n // Note: We're looping through `data.plugins` here, not the generated `plugins`\n for (const pluginData of data.plugins) {\n pluginData.__mimeTypes.forEach((type, index) => {\n plugins[pluginData.name][index] = mimeTypes[type]\n\n Object.defineProperty(plugins[pluginData.name], type, {\n value: mimeTypes[type],\n writable: false,\n enumerable: false, // Not enumerable\n configurable: true\n })\n Object.defineProperty(mimeTypes[type], 'enabledPlugin', {\n value: new Proxy(plugins[pluginData.name], {}), // Prevent circular references\n writable: false,\n enumerable: false, // Important: `JSON.stringify(navigator.plugins)`\n configurable: true\n })\n })\n }\n\n const patchNavigator = (name, value) =>\n utils.replaceProperty(Object.getPrototypeOf(navigator), name, {\n get() {\n return value\n }\n })\n\n patchNavigator('mimeTypes', mimeTypes)\n patchNavigator('plugins', plugins)\n\n // All done\n }",_args:[{fns:{generateMimeTypeArray:"(utils, fns) => mimeTypesData => {\n return fns.generateMagicArray(utils, fns)(\n mimeTypesData,\n MimeTypeArray.prototype,\n MimeType.prototype,\n 'type'\n )\n}",generatePluginArray:"(utils, fns) => pluginsData => {\n return fns.generateMagicArray(utils, fns)(\n pluginsData,\n PluginArray.prototype,\n Plugin.prototype,\n 'name'\n )\n}",generateMagicArray:"(utils, fns) =>\n function(\n dataArray = [],\n proto = MimeTypeArray.prototype,\n itemProto = MimeType.prototype,\n itemMainProp = 'type'\n ) {\n // Quick helper to set props with the same descriptors vanilla is using\n const defineProp = (obj, prop, value) =>\n Object.defineProperty(obj, prop, {\n value,\n writable: false,\n enumerable: false, // Important for mimeTypes & plugins: `JSON.stringify(navigator.mimeTypes)`\n configurable: true\n })\n\n // Loop over our fake data and construct items\n const makeItem = data => {\n const item = {}\n for (const prop of Object.keys(data)) {\n if (prop.startsWith('__')) {\n continue\n }\n defineProp(item, prop, data[prop])\n }\n return patchItem(item, data)\n }\n\n const patchItem = (item, data) => {\n let descriptor = Object.getOwnPropertyDescriptors(item)\n\n // Special case: Plugins have a magic length property which is not enumerable\n // e.g. `navigator.plugins[i].length` should always be the length of the assigned mimeTypes\n if (itemProto === Plugin.prototype) {\n descriptor = {\n ...descriptor,\n length: {\n value: data.__mimeTypes.length,\n writable: false,\n enumerable: false,\n configurable: true // Important to be able to use the ownKeys trap in a Proxy to strip `length`\n }\n }\n }\n\n // We need to spoof a specific `MimeType` or `Plugin` object\n const obj = Object.create(itemProto, descriptor)\n\n // Virtually all property keys are not enumerable in vanilla\n const blacklist = [...Object.keys(data), 'length', 'enabledPlugin']\n return new Proxy(obj, {\n ownKeys(target) {\n return Reflect.ownKeys(target).filter(k => !blacklist.includes(k))\n },\n getOwnPropertyDescriptor(target, prop) {\n if (blacklist.includes(prop)) {\n return undefined\n }\n return Reflect.getOwnPropertyDescriptor(target, prop)\n }\n })\n }\n\n const magicArray = []\n\n // Loop through our fake data and use that to create convincing entities\n dataArray.forEach(data => {\n magicArray.push(makeItem(data))\n })\n\n // Add direct property access based on types (e.g. `obj['application/pdf']`) afterwards\n magicArray.forEach(entry => {\n defineProp(magicArray, entry[itemMainProp], entry)\n })\n\n // This is the best way to fake the type to make sure this is false: `Array.isArray(navigator.mimeTypes)`\n const magicArrayObj = Object.create(proto, {\n ...Object.getOwnPropertyDescriptors(magicArray),\n\n // There's one ugly quirk we unfortunately need to take care of:\n // The `MimeTypeArray` prototype has an enumerable `length` property,\n // but headful Chrome will still skip it when running `Object.getOwnPropertyNames(navigator.mimeTypes)`.\n // To strip it we need to make it first `configurable` and can then overlay a Proxy with an `ownKeys` trap.\n length: {\n value: magicArray.length,\n writable: false,\n enumerable: false,\n configurable: true // Important to be able to use the ownKeys trap in a Proxy to strip `length`\n }\n })\n\n // Generate our functional function mocks :-)\n const functionMocks = fns.generateFunctionMocks(utils)(\n proto,\n itemMainProp,\n magicArray\n )\n\n // We need to overlay our custom object with a JS Proxy\n const magicArrayObjProxy = new Proxy(magicArrayObj, {\n get(target, key = '') {\n // Redirect function calls to our custom proxied versions mocking the vanilla behavior\n if (key === 'item') {\n return functionMocks.item\n }\n if (key === 'namedItem') {\n return functionMocks.namedItem\n }\n if (proto === PluginArray.prototype && key === 'refresh') {\n return functionMocks.refresh\n }\n // Everything else can pass through as normal\n return utils.cache.Reflect.get(...arguments)\n },\n ownKeys(target) {\n // There are a couple of quirks where the original property demonstrates \"magical\" behavior that makes no sense\n // This can be witnessed when calling `Object.getOwnPropertyNames(navigator.mimeTypes)` and the absense of `length`\n // My guess is that it has to do with the recent change of not allowing data enumeration and this being implemented weirdly\n // For that reason we just completely fake the available property names based on our data to match what regular Chrome is doing\n // Specific issues when not patching this: `length` property is available, direct `types` props (e.g. `obj['application/pdf']`) are missing\n const keys = []\n const typeProps = magicArray.map(mt => mt[itemMainProp])\n typeProps.forEach((_, i) => keys.push(`${i}`))\n typeProps.forEach(propName => keys.push(propName))\n return keys\n },\n getOwnPropertyDescriptor(target, prop) {\n if (prop === 'length') {\n return undefined\n }\n return Reflect.getOwnPropertyDescriptor(target, prop)\n }\n })\n\n return magicArrayObjProxy\n }",generateFunctionMocks:"utils => (\n proto,\n itemMainProp,\n dataArray\n) => ({\n /** Returns the MimeType object with the specified index. */\n item: utils.createProxy(proto.item, {\n apply(target, ctx, args) {\n if (!args.length) {\n throw new TypeError(\n `Failed to execute 'item' on '${\n proto[Symbol.toStringTag]\n }': 1 argument required, but only 0 present.`\n )\n }\n // Special behavior alert:\n // - Vanilla tries to cast strings to Numbers (only integers!) and use them as property index lookup\n // - If anything else than an integer (including as string) is provided it will return the first entry\n const isInteger = args[0] && Number.isInteger(Number(args[0])) // Cast potential string to number first, then check for integer\n // Note: Vanilla never returns `undefined`\n return (isInteger ? dataArray[Number(args[0])] : dataArray[0]) || null\n }\n }),\n /** Returns the MimeType object with the specified name. */\n namedItem: utils.createProxy(proto.namedItem, {\n apply(target, ctx, args) {\n if (!args.length) {\n throw new TypeError(\n `Failed to execute 'namedItem' on '${\n proto[Symbol.toStringTag]\n }': 1 argument required, but only 0 present.`\n )\n }\n return dataArray.find(mt => mt[itemMainProp] === args[0]) || null // Not `undefined`!\n }\n }),\n /** Does nothing and shall return nothing */\n refresh: proto.refresh\n ? utils.createProxy(proto.refresh, {\n apply(target, ctx, args) {\n return undefined\n }\n })\n : undefined\n})"},data:{mimeTypes:[{type:"application/pdf",suffixes:"pdf",description:"",__pluginName:"Chrome PDF Viewer"},{type:"application/x-google-chrome-pdf",suffixes:"pdf",description:"Portable Document Format",__pluginName:"Chrome PDF Plugin"},{type:"application/x-nacl",suffixes:"",description:"Native Client Executable",__pluginName:"Native Client"},{type:"application/x-pnacl",suffixes:"",description:"Portable Native Client Executable",__pluginName:"Native Client"}],plugins:[{name:"Chrome PDF Plugin",filename:"internal-pdf-viewer",description:"Portable Document Format",__mimeTypes:["application/x-google-chrome-pdf"]},{name:"Chrome PDF Viewer",filename:"mhjfbmdgcfjbbpaeojofohoefgiehjai",description:"",__mimeTypes:["application/pdf"]},{name:"Native Client",filename:"internal-nacl-plugin",description:"",__mimeTypes:["application/x-nacl","application/x-pnacl"]}]}}]}),delete Object.getPrototypeOf(navigator).webdriver,(({_utilsFns:_utilsFns,_mainFunction:_mainFunction,_args:_args})=>{const utils=Object.fromEntries(Object.entries(_utilsFns).map((([key,value])=>[key,eval(value)])));utils.preloadCache(),eval(_mainFunction)(utils,..._args)})({_utilsFns:{stripProxyFromErrors:"(handler = {}) => {\n const newHandler = {}\n // We wrap each trap in the handler in a try/catch and modify the error stack if they throw\n const traps = Object.getOwnPropertyNames(handler)\n traps.forEach(trap => {\n newHandler[trap] = function() {\n try {\n // Forward the call to the defined proxy handler\n return handler[trap].apply(this, arguments || [])\n } catch (err) {\n // Stack traces differ per browser, we only support chromium based ones currently\n if (!err || !err.stack || !err.stack.includes(`at `)) {\n throw err\n }\n\n // When something throws within one of our traps the Proxy will show up in error stacks\n // An earlier implementation of this code would simply strip lines with a blacklist,\n // but it makes sense to be more surgical here and only remove lines related to our Proxy.\n // We try to use a known \"anchor\" line for that and strip it with everything above it.\n // If the anchor line cannot be found for some reason we fall back to our blacklist approach.\n\n const stripWithBlacklist = stack => {\n const blacklist = [\n `at Reflect.${trap} `, // e.g. Reflect.get or Reflect.apply\n `at Object.${trap} `, // e.g. Object.get or Object.apply\n `at Object.newHandler.<computed> [as ${trap}] ` // caused by this very wrapper :-)\n ]\n return (\n err.stack\n .split('\\n')\n // Always remove the first (file) line in the stack (guaranteed to be our proxy)\n .filter((line, index) => index !== 1)\n // Check if the line starts with one of our blacklisted strings\n .filter(line => !blacklist.some(bl => line.trim().startsWith(bl)))\n .join('\\n')\n )\n }\n\n const stripWithAnchor = stack => {\n const stackArr = stack.split('\\n')\n const anchor = `at Object.newHandler.<computed> [as ${trap}] ` // Known first Proxy line in chromium\n const anchorIndex = stackArr.findIndex(line =>\n line.trim().startsWith(anchor)\n )\n if (anchorIndex === -1) {\n return false // 404, anchor not found\n }\n // Strip everything from the top until we reach the anchor line\n // Note: We're keeping the 1st line (zero index) as it's unrelated (e.g. `TypeError`)\n stackArr.splice(1, anchorIndex)\n return stackArr.join('\\n')\n }\n\n // Try using the anchor method, fallback to blacklist if necessary\n err.stack = stripWithAnchor(err.stack) || stripWithBlacklist(err.stack)\n\n throw err // Re-throw our now sanitized error\n }\n }\n })\n return newHandler\n}",stripErrorWithAnchor:"(err, anchor) => {\n const stackArr = err.stack.split('\\n')\n const anchorIndex = stackArr.findIndex(line => line.trim().startsWith(anchor))\n if (anchorIndex === -1) {\n return err // 404, anchor not found\n }\n // Strip everything from the top until we reach the anchor line (remove anchor line as well)\n // Note: We're keeping the 1st line (zero index) as it's unrelated (e.g. `TypeError`)\n stackArr.splice(1, anchorIndex)\n err.stack = stackArr.join('\\n')\n return err\n}",replaceProperty:"(obj, propName, descriptorOverrides = {}) => {\n return Object.defineProperty(obj, propName, {\n // Copy over the existing descriptors (writable, enumerable, configurable, etc)\n ...(Object.getOwnPropertyDescriptor(obj, propName) || {}),\n // Add our overrides (e.g. value, get())\n ...descriptorOverrides\n })\n}",preloadCache:"() => {\n if (utils.cache) {\n return\n }\n utils.cache = {\n // Used in our proxies\n Reflect: {\n get: Reflect.get.bind(Reflect),\n apply: Reflect.apply.bind(Reflect)\n },\n // Used in `makeNativeString`\n nativeToStringStr: Function.toString + '' // => `function toString() { [native code] }`\n }\n}",makeNativeString:"(name = '') => {\n // Cache (per-window) the original native toString or use that if available\n utils.preloadCache()\n return utils.cache.nativeToStringStr.replace('toString', name || '')\n}",patchToString:"(obj, str = '') => {\n utils.preloadCache()\n\n const toStringProxy = new Proxy(Function.prototype.toString, {\n apply: function(target, ctx) {\n // This fixes e.g. `HTMLMediaElement.prototype.canPlayType.toString + \"\"`\n if (ctx === Function.prototype.toString) {\n return utils.makeNativeString('toString')\n }\n // `toString` targeted at our proxied Object detected\n if (ctx === obj) {\n // We either return the optional string verbatim or derive the most desired result automatically\n return str || utils.makeNativeString(obj.name)\n }\n // Check if the toString protype of the context is the same as the global prototype,\n // if not indicates that we are doing a check across different windows., e.g. the iframeWithdirect` test case\n const hasSameProto = Object.getPrototypeOf(\n Function.prototype.toString\n ).isPrototypeOf(ctx.toString) // eslint-disable-line no-prototype-builtins\n if (!hasSameProto) {\n // Pass the call on to the local Function.prototype.toString instead\n return ctx.toString()\n }\n return target.call(ctx)\n }\n })\n utils.replaceProperty(Function.prototype, 'toString', {\n value: toStringProxy\n })\n}",patchToStringNested:"(obj = {}) => {\n return utils.execRecursively(obj, ['function'], utils.patchToString)\n}",redirectToString:"(proxyObj, originalObj) => {\n utils.preloadCache()\n\n const toStringProxy = new Proxy(Function.prototype.toString, {\n apply: function(target, ctx) {\n // This fixes e.g. `HTMLMediaElement.prototype.canPlayType.toString + \"\"`\n if (ctx === Function.prototype.toString) {\n return utils.makeNativeString('toString')\n }\n\n // `toString` targeted at our proxied Object detected\n if (ctx === proxyObj) {\n const fallback = () =>\n originalObj && originalObj.name\n ? utils.makeNativeString(originalObj.name)\n : utils.makeNativeString(proxyObj.name)\n\n // Return the toString representation of our original object if possible\n return originalObj + '' || fallback()\n }\n\n // Check if the toString protype of the context is the same as the global prototype,\n // if not indicates that we are doing a check across different windows., e.g. the iframeWithdirect` test case\n const hasSameProto = Object.getPrototypeOf(\n Function.prototype.toString\n ).isPrototypeOf(ctx.toString) // eslint-disable-line no-prototype-builtins\n if (!hasSameProto) {\n // Pass the call on to the local Function.prototype.toString instead\n return ctx.toString()\n }\n\n return target.call(ctx)\n }\n })\n utils.replaceProperty(Function.prototype, 'toString', {\n value: toStringProxy\n })\n}",replaceWithProxy:"(obj, propName, handler) => {\n utils.preloadCache()\n const originalObj = obj[propName]\n const proxyObj = new Proxy(obj[propName], utils.stripProxyFromErrors(handler))\n\n utils.replaceProperty(obj, propName, { value: proxyObj })\n utils.redirectToString(proxyObj, originalObj)\n\n return true\n}",mockWithProxy:"(obj, propName, pseudoTarget, handler) => {\n utils.preloadCache()\n const proxyObj = new Proxy(pseudoTarget, utils.stripProxyFromErrors(handler))\n\n utils.replaceProperty(obj, propName, { value: proxyObj })\n utils.patchToString(proxyObj)\n\n return true\n}",createProxy:"(pseudoTarget, handler) => {\n utils.preloadCache()\n const proxyObj = new Proxy(pseudoTarget, utils.stripProxyFromErrors(handler))\n utils.patchToString(proxyObj)\n\n return proxyObj\n}",splitObjPath:"objPath => ({\n // Remove last dot entry (property) ==> `HTMLMediaElement.prototype`\n objName: objPath\n .split('.')\n .slice(0, -1)\n .join('.'),\n // Extract last dot entry ==> `canPlayType`\n propName: objPath.split('.').slice(-1)[0]\n})",replaceObjPathWithProxy:"(objPath, handler) => {\n const { objName, propName } = utils.splitObjPath(objPath)\n const obj = eval(objName) // eslint-disable-line no-eval\n return utils.replaceWithProxy(obj, propName, handler)\n}",execRecursively:"(obj = {}, typeFilter = [], fn) => {\n function recurse(obj) {\n for (const key in obj) {\n if (obj[key] === undefined) {\n continue\n }\n if (obj[key] && typeof obj[key] === 'object') {\n recurse(obj[key])\n } else {\n if (obj[key] && typeFilter.includes(typeof obj[key])) {\n fn.call(this, obj[key])\n }\n }\n }\n }\n recurse(obj)\n return obj\n}",stringifyFns:"(fnObj = { hello: () => 'world' }) => {\n // Object.fromEntries() ponyfill (in 6 lines) - supported only in Node v12+, modern browsers are fine\n // https://github.com/feross/fromentries\n function fromEntries(iterable) {\n return [...iterable].reduce((obj, [key, val]) => {\n obj[key] = val\n return obj\n }, {})\n }\n return (Object.fromEntries || fromEntries)(\n Object.entries(fnObj)\n .filter(([key, value]) => typeof value === 'function')\n .map(([key, value]) => [key, value.toString()]) // eslint-disable-line no-eval\n )\n}",materializeFns:"(fnStrObj = { hello: \"() => 'world'\" }) => {\n return Object.fromEntries(\n Object.entries(fnStrObj).map(([key, value]) => {\n if (value.startsWith('function')) {\n // some trickery is needed to make oldschool functions work :-)\n return [key, eval(`() => ${value}`)()] // eslint-disable-line no-eval\n } else {\n // arrow functions just work\n return [key, eval(value)] // eslint-disable-line no-eval\n }\n })\n )\n}"},_mainFunction:"(utils, opts) => {\n const getParameterProxyHandler = {\n apply: function(target, ctx, args) {\n const param = (args || [])[0]\n // UNMASKED_VENDOR_WEBGL\n if (param === 37445) {\n return opts.vendor || 'Intel Inc.' // default in headless: Google Inc.\n }\n // UNMASKED_RENDERER_WEBGL\n if (param === 37446) {\n return opts.renderer || 'Intel Iris OpenGL Engine' // default in headless: Google SwiftShader\n }\n return utils.cache.Reflect.apply(target, ctx, args)\n }\n }\n\n // There's more than one WebGL rendering context\n // https://developer.mozilla.org/en-US/docs/Web/API/WebGL2RenderingContext#Browser_compatibility\n // To find out the original values here: Object.getOwnPropertyDescriptors(WebGLRenderingContext.prototype.getParameter)\n const addProxy = (obj, propName) => {\n utils.replaceWithProxy(obj, propName, getParameterProxyHandler)\n }\n // For whatever weird reason loops don't play nice with Object.defineProperty, here's the next best thing:\n addProxy(WebGLRenderingContext.prototype, 'getParameter')\n addProxy(WebGL2RenderingContext.prototype, 'getParameter')\n }",_args:[{}]}),(()=>{try{if(window.outerWidth&&window.outerHeight)return;const n=85;window.outerWidth=window.innerWidth,window.outerHeight=window.innerHeight+n}catch(n){}})(),(({_utilsFns:_utilsFns,_mainFunction:_mainFunction,_args:_args})=>{const utils=Object.fromEntries(Object.entries(_utilsFns).map((([key,value])=>[key,eval(value)])));utils.preloadCache(),eval(_mainFunction)(utils,..._args)})({_utilsFns:{stripProxyFromErrors:"(handler = {}) => {\n const newHandler = {}\n // We wrap each trap in the handler in a try/catch and modify the error stack if they throw\n const traps = Object.getOwnPropertyNames(handler)\n traps.forEach(trap => {\n newHandler[trap] = function() {\n try {\n // Forward the call to the defined proxy handler\n return handler[trap].apply(this, arguments || [])\n } catch (err) {\n // Stack traces differ per browser, we only support chromium based ones currently\n if (!err || !err.stack || !err.stack.includes(`at `)) {\n throw err\n }\n\n // When something throws within one of our traps the Proxy will show up in error stacks\n // An earlier implementation of this code would simply strip lines with a blacklist,\n // but it makes sense to be more surgical here and only remove lines related to our Proxy.\n // We try to use a known \"anchor\" line for that and strip it with everything above it.\n // If the anchor line cannot be found for some reason we fall back to our blacklist approach.\n\n const stripWithBlacklist = stack => {\n const blacklist = [\n `at Reflect.${trap} `, // e.g. Reflect.get or Reflect.apply\n `at Object.${trap} `, // e.g. Object.get or Object.apply\n `at Object.newHandler.<computed> [as ${trap}] ` // caused by this very wrapper :-)\n ]\n return (\n err.stack\n .split('\\n')\n // Always remove the first (file) line in the stack (guaranteed to be our proxy)\n .filter((line, index) => index !== 1)\n // Check if the line starts with one of our blacklisted strings\n .filter(line => !blacklist.some(bl => line.trim().startsWith(bl)))\n .join('\\n')\n )\n }\n\n const stripWithAnchor = stack => {\n const stackArr = stack.split('\\n')\n const anchor = `at Object.newHandler.<computed> [as ${trap}] ` // Known first Proxy line in chromium\n const anchorIndex = stackArr.findIndex(line =>\n line.trim().startsWith(anchor)\n )\n if (anchorIndex === -1) {\n return false // 404, anchor not found\n }\n // Strip everything from the top until we reach the anchor line\n // Note: We're keeping the 1st line (zero index) as it's unrelated (e.g. `TypeError`)\n stackArr.splice(1, anchorIndex)\n return stackArr.join('\\n')\n }\n\n // Try using the anchor method, fallback to blacklist if necessary\n err.stack = stripWithAnchor(err.stack) || stripWithBlacklist(err.stack)\n\n throw err // Re-throw our now sanitized error\n }\n }\n })\n return newHandler\n}",stripErrorWithAnchor:"(err, anchor) => {\n const stackArr = err.stack.split('\\n')\n const anchorIndex = stackArr.findIndex(line => line.trim().startsWith(anchor))\n if (anchorIndex === -1) {\n return err // 404, anchor not found\n }\n // Strip everything from the top until we reach the anchor line (remove anchor line as well)\n // Note: We're keeping the 1st line (zero index) as it's unrelated (e.g. `TypeError`)\n stackArr.splice(1, anchorIndex)\n err.stack = stackArr.join('\\n')\n return err\n}",replaceProperty:"(obj, propName, descriptorOverrides = {}) => {\n return Object.defineProperty(obj, propName, {\n // Copy over the existing descriptors (writable, enumerable, configurable, etc)\n ...(Object.getOwnPropertyDescriptor(obj, propName) || {}),\n // Add our overrides (e.g. value, get())\n ...descriptorOverrides\n })\n}",preloadCache:"() => {\n if (utils.cache) {\n return\n }\n utils.cache = {\n // Used in our proxies\n Reflect: {\n get: Reflect.get.bind(Reflect),\n apply: Reflect.apply.bind(Reflect)\n },\n // Used in `makeNativeString`\n nativeToStringStr: Function.toString + '' // => `function toString() { [native code] }`\n }\n}",makeNativeString:"(name = '') => {\n // Cache (per-window) the original native toString or use that if available\n utils.preloadCache()\n return utils.cache.nativeToStringStr.replace('toString', name || '')\n}",patchToString:"(obj, str = '') => {\n utils.preloadCache()\n\n const toStringProxy = new Proxy(Function.prototype.toString, {\n apply: function(target, ctx) {\n // This fixes e.g. `HTMLMediaElement.prototype.canPlayType.toString + \"\"`\n if (ctx === Function.prototype.toString) {\n return utils.makeNativeString('toString')\n }\n // `toString` targeted at our proxied Object detected\n if (ctx === obj) {\n // We either return the optional string verbatim or derive the most desired result automatically\n return str || utils.makeNativeString(obj.name)\n }\n // Check if the toString protype of the context is the same as the global prototype,\n // if not indicates that we are doing a check across different windows., e.g. the iframeWithdirect` test case\n const hasSameProto = Object.getPrototypeOf(\n Function.prototype.toString\n ).isPrototypeOf(ctx.toString) // eslint-disable-line no-prototype-builtins\n if (!hasSameProto) {\n // Pass the call on to the local Function.prototype.toString instead\n return ctx.toString()\n }\n return target.call(ctx)\n }\n })\n utils.replaceProperty(Function.prototype, 'toString', {\n value: toStringProxy\n })\n}",patchToStringNested:"(obj = {}) => {\n return utils.execRecursively(obj, ['function'], utils.patchToString)\n}",redirectToString:"(proxyObj, originalObj) => {\n utils.preloadCache()\n\n const toStringProxy = new Proxy(Function.prototype.toString, {\n apply: function(target, ctx) {\n // This fixes e.g. `HTMLMediaElement.prototype.canPlayType.toString + \"\"`\n if (ctx === Function.prototype.toString) {\n return utils.makeNativeString('toString')\n }\n\n // `toString` targeted at our proxied Object detected\n if (ctx === proxyObj) {\n const fallback = () =>\n originalObj && originalObj.name\n ? utils.makeNativeString(originalObj.name)\n : utils.makeNativeString(proxyObj.name)\n\n // Return the toString representation of our original object if possible\n return originalObj + '' || fallback()\n }\n\n // Check if the toString protype of the context is the same as the global prototype,\n // if not indicates that we are doing a check across different windows., e.g. the iframeWithdirect` test case\n const hasSameProto = Object.getPrototypeOf(\n Function.prototype.toString\n ).isPrototypeOf(ctx.toString) // eslint-disable-line no-prototype-builtins\n if (!hasSameProto) {\n // Pass the call on to the local Function.prototype.toString instead\n return ctx.toString()\n }\n\n return target.call(ctx)\n }\n })\n utils.replaceProperty(Function.prototype, 'toString', {\n value: toStringProxy\n })\n}",replaceWithProxy:"(obj, propName, handler) => {\n utils.preloadCache()\n const originalObj = obj[propName]\n const proxyObj = new Proxy(obj[propName], utils.stripProxyFromErrors(handler))\n\n utils.replaceProperty(obj, propName, { value: proxyObj })\n utils.redirectToString(proxyObj, originalObj)\n\n return true\n}",mockWithProxy:"(obj, propName, pseudoTarget, handler) => {\n utils.preloadCache()\n const proxyObj = new Proxy(pseudoTarget, utils.stripProxyFromErrors(handler))\n\n utils.replaceProperty(obj, propName, { value: proxyObj })\n utils.patchToString(proxyObj)\n\n return true\n}",createProxy:"(pseudoTarget, handler) => {\n utils.preloadCache()\n const proxyObj = new Proxy(pseudoTarget, utils.stripProxyFromErrors(handler))\n utils.patchToString(proxyObj)\n\n return proxyObj\n}",splitObjPath:"objPath => ({\n // Remove last dot entry (property) ==> `HTMLMediaElement.prototype`\n objName: objPath\n .split('.')\n .slice(0, -1)\n .join('.'),\n // Extract last dot entry ==> `canPlayType`\n propName: objPath.split('.').slice(-1)[0]\n})",replaceObjPathWithProxy:"(objPath, handler) => {\n const { objName, propName } = utils.splitObjPath(objPath)\n const obj = eval(objName) // eslint-disable-line no-eval\n return utils.replaceWithProxy(obj, propName, handler)\n}",execRecursively:"(obj = {}, typeFilter = [], fn) => {\n function recurse(obj) {\n for (const key in obj) {\n if (obj[key] === undefined) {\n continue\n }\n if (obj[key] && typeof obj[key] === 'object') {\n recurse(obj[key])\n } else {\n if (obj[key] && typeFilter.includes(typeof obj[key])) {\n fn.call(this, obj[key])\n }\n }\n }\n }\n recurse(obj)\n return obj\n}",stringifyFns:"(fnObj = { hello: () => 'world' }) => {\n // Object.fromEntries() ponyfill (in 6 lines) - supported only in Node v12+, modern browsers are fine\n // https://github.com/feross/fromentries\n function fromEntries(iterable) {\n return [...iterable].reduce((obj, [key, val]) => {\n obj[key] = val\n return obj\n }, {})\n }\n return (Object.fromEntries || fromEntries)(\n Object.entries(fnObj)\n .filter(([key, value]) => typeof value === 'function')\n .map(([key, value]) => [key, value.toString()]) // eslint-disable-line no-eval\n )\n}",materializeFns:"(fnStrObj = { hello: \"() => 'world'\" }) => {\n return Object.fromEntries(\n Object.entries(fnStrObj).map(([key, value]) => {\n if (value.startsWith('function')) {\n // some trickery is needed to make oldschool functions work :-)\n return [key, eval(`() => ${value}`)()] // eslint-disable-line no-eval\n } else {\n // arrow functions just work\n return [key, eval(value)] // eslint-disable-line no-eval\n }\n })\n )\n}"},_mainFunction:"(utils, opts) => {\n try {\n // Adds a contentWindow proxy to the provided iframe element\n const addContentWindowProxy = iframe => {\n const contentWindowProxy = {\n get(target, key) {\n // Now to the interesting part:\n // We actually make this thing behave like a regular iframe window,\n // by intercepting calls to e.g. `.self` and redirect it to the correct thing. :)\n // That makes it possible for these assertions to be correct:\n // iframe.contentWindow.self === window.top // must be false\n if (key === 'self') {\n return this\n }\n // iframe.contentWindow.frameElement === iframe // must be true\n if (key === 'frameElement') {\n return iframe\n }\n return Reflect.get(target, key)\n }\n }\n\n if (!iframe.contentWindow) {\n const proxy = new Proxy(window, contentWindowProxy)\n Object.defineProperty(iframe, 'contentWindow', {\n get() {\n return proxy\n },\n set(newValue) {\n return newValue // contentWindow is immutable\n },\n enumerable: true,\n configurable: false\n })\n }\n }\n\n // Handles iframe element creation, augments `srcdoc` property so we can intercept further\n const handleIframeCreation = (target, thisArg, args) => {\n const iframe = target.apply(thisArg, args)\n\n // We need to keep the originals around\n const _iframe = iframe\n const _srcdoc = _iframe.srcdoc\n\n // Add hook for the srcdoc property\n // We need to be very surgical here to not break other iframes by accident\n Object.defineProperty(iframe, 'srcdoc', {\n configurable: true, // Important, so we can reset this later\n get: function() {\n return _iframe.srcdoc\n },\n set: function(newValue) {\n addContentWindowProxy(this)\n // Reset property, the hook is only needed once\n Object.defineProperty(iframe, 'srcdoc', {\n configurable: false,\n writable: false,\n value: _srcdoc\n })\n _iframe.srcdoc = newValue\n }\n })\n return iframe\n }\n\n // Adds a hook to intercept iframe creation events\n const addIframeCreationSniffer = () => {\n /* global document */\n const createElementHandler = {\n // Make toString() native\n get(target, key) {\n return Reflect.get(target, key)\n },\n apply: function(target, thisArg, args) {\n const isIframe =\n args && args.length && `${args[0]}`.toLowerCase() === 'iframe'\n if (!isIframe) {\n // Everything as usual\n return target.apply(thisArg, args)\n } else {\n return handleIframeCreation(target, thisArg, args)\n }\n }\n }\n // All this just due to iframes with srcdoc bug\n utils.replaceWithProxy(\n document,\n 'createElement',\n createElementHandler\n )\n }\n\n // Let's go\n addIframeCreationSniffer()\n } catch (err) {\n // console.warn(err)\n }\n }",_args:[]});
浏览器接管
上述的规避检测,具有一定的时效性,不一定次次有效果。目前没有任何一个办法可以100%骗过服务器。
那就真正的打开浏览器,让程序接管本地的浏览器。
windows系统下的操作
- 第一步:
- 找到chrome.exe文件的所在路径:
"C:\Program Files\Google\Chrome\Application\chrome.exe"
也可以尝试在cmd命令中,执行where chrome.exe
命令来获取chrome.exe
的所在路径
-
第二步:
- 将所在路径添加到
path
环境变量当中
- 将所在路径添加到
-
第三步:
- 先在本地某个位置中,新建一个自定义文件夹,用作保存执行浏览器操作的缓存文件,这里就叫
D:\playwright_chrome_data
文件好了。然后在cmd命令,输入以下命令:
- 先在本地某个位置中,新建一个自定义文件夹,用作保存执行浏览器操作的缓存文件,这里就叫
chrome.exe --remote-debugging-port=8899 --user-data-dir="D:\playwright_chrome_data"
remote-debugging-port
是指定浏览器运行端口,只要没被占用就行
user-data-dir
指定运行浏览器的运行数据,新建一个干净目录,不影响系统原来的数据
执行上诉代码后,就会启动谷歌浏览器,然后就可以手动的访问某个网站,比如说百度,
-
第四步:
- 在已经打开的浏览器页面,手工操作登录,登录成功后,让playwright继续操作
-
第五步:
- playwright接管浏览器
from playwright.sync_api import sync_playwrightwirht sync_playwright() as p:# 通过localhost:8899来接管本地浏览器browser = p.chormium.connnect_over_cdp('http://localhost:8899/')# 获取page对象page = browser.contexts[0].pages[0] # 获取打开的当前页面# 该操作会直接作用在接管的浏览器中page.locator('//*[@id="kw"]').fill('haha')print(page.url)print(page.title())
小红书数据爬取
说明:不要直接复制下面的代码拿来直接用,因为代码具有时效性,主要以思路为主,代码还请读者自己按照实际情况来修改。
需求分析
将小红书首页的推荐内容进行抓取
首先访问小红书的官网,然后打开开发者工具,选中Network
,然后选中Fetch/XHR
选项,Fetch/XHR
表示动态加载的数据。
可以稍微的滚动下页面,直到出现homefeed
的数据包,其中的Response
中就存放的json数据,而homefeed
接口的数据是post请求,理论上来讲通过访问homefeed接口就能够获取数据,但是实际上,并不能直接获取到该接口中的数据。
首先homefeed接口
,是post请求,那么该请求该接口,就需要携带请求参数,请求参数可以在Payload
中查看,可以发现该请求参数比较特别,是个json字符串,并不是常规的key-value
形式的参数,所以待会就要处理这个json字符串类型
的请求参数。
可以先用postman工具
先来测试下接口,在Network
中找到homefeed
接口,然后右键该接口,选中Copy as cURL
,然后在postman工具
中,选中POST请求,然后在地址栏中,粘贴刚刚复制的cURL,然后点击Send
发送请求,如果接收到响应数据,那么就发送成功了。然后点击Headers
选项就可以查看和分析请求参数了,一个一个点击取消勾选然后发送请求,尝试获取需要的请求参数。最后可以发现,只需要cookie
,user-agent
,x-s
,content-type
四个请求就可以发送成功。
当发现cookie
很长的时候,可以在浏览器的开发者工具中,选中Application
,然后选中Cookies
选项,可以以键值对的方式查看cookie中的内容,结合postman工具
进行分析和尝试,找出需要的cookie参数。最后发现只需要保留a1
和 web_session
就可以请求参数了。
然后发送多次请求,可以发现 x-s
是动态变化的请求头。
逆向找寻x-s参数的生成方式
然后进行断点调试找寻x-s
的生成方式
按住CTRL+F
来进行搜素 X-S
在页面源码中出现的地方,可以发现会搜索出一堆,需要自己一个一个看过去直到找到X-s
d的生成方式,这里就直接说,在vendor-dynamic.3e7bc84b.js
文件中了,然后在该文件中,再次搜索X-S
,在源码中高亮的地方,打断点,打上断点,然后刷新浏览器页面,找寻浏览器停留的位置,也就是r.headers["X-s"] = v["X-s"]
部分,可以分析出v
是个算法,可以生成X-s
,然后分析以下这段代码:
// vendor-dynamic.3e7bc84b.js
// x-s生成的部分代码
var p = getRealUrl(i, a, s), f = encrypt_sign;
// void 0 表示空
c && void 0 !== window._webmsxyw && (f = window._webmsxyw);
var v = f(p, u) || {};
r.headers["X-t"] = v["X-t"],
r.headers["X-s"] = v["X-s"]
在console
中,尝试打印window._webmsxyw
中的内容,发现是一组数据,不是空,通过拆解分析,可以得出核心代码:
var v = f(p, u);
r.headers["X-t"] = v["X-t"],
r.headers["X-s"] = v["X-s"]
然后根据这段X-s生成
的代码,将js代码转成python代码来执行,那么这个难度会很大。
那么这时候就可以使用playwright
来直接执行生成X-s部分
的js代码,从而获取X-s
的值。
Playwright爬取小红书数据
from playwright.sync_api import sync_playwright
import requests
import json
with sync_playwright() as p:brower = p.chromium.launch(headless=True)context = brower.new_context()# 规避检测,伪造真实浏览器花鸟卷context.add_init_script(path='stealth.min.js')page = context.new_page()page.goto("https://www.xiaohongshu.com")# 设置playwright的cookie环境,经过postman测试,cookie只需要保留a1和web_session两个值即可# 其中cookie必须是一个数组对象,必须包含最主要的四个值:domain,name,path,valuecontext.add_cookies([{"name":"web_session","value":"030037a0d8fcb93ba9db81ee93204a819e0106","domain":".xiaohongshu.com", # 小红书域名"path":"/" },{"name":"a1","value":"195f08b5b8fvlxrfuok2o2lpuzlw02rqhd14xjnqd50000219300","domain":".xiaohongshu.com","path":"/" }])page.reload() # 添加cookie后,务必要重载page页面# Payload中的数据json_data = {"cursor_score": "1.7449652179380045E9","num": 31,"refresh_type": 3,"note_index": 96,"unread_begin_note_id": "","unread_end_note_id": "","unread_note_count": 0,"category": "homefeed_recommend","search_key": "","need_num": 6,"image_formats": ["jpg","webp","avif"] }# 进行js注入,执行window._webmsxyw函数获取x-s的值# s:/api/sns/web/v1/homefeed# i : json_data变量# 将s和i参数传入到window._webmsxyw()函数中encrypt_params = page.evaluate("([p,u]) => window._webmsxyw(p,u)",["/api/sec/v1/sbtsource",json_data])# 将返回值转成python字典x_s = dict(encrypt_params)['X-s']headers = {"user-agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36","X-S":x_s,"content-type":"application/json;charset=UTF-8"}cookies = {'a1':'195f08b5b8fvlxrfuok2o2lpuzlw02rqhd14xjnqd50000219300','web_session':'030037a0d8fcb93ba9db81ee93204a819e0106'}url = "https://edith.xiaohongshu.com/api/sns/web/v1/homefeed"# 处理json串的请求参数# separators将逗号作为键值对之间的分隔符,将冒号作为键和值之间的分隔符# 将json类型的数据转成字典json_str = json.dumps(json_data,separators=(",",":"),ensure_ascii=False)# 发起post请求ret = requests.post(url=url,headers=headers,data=json_str,cookies=cookies).json()print(ret)