Examine source code of 防刷刷 - 网购防忽悠

{
  "manifest_version": 2,
  "name": "防刷刷-网购防忽悠",
  "short_name": "防刷刷",
  "description": "筛选可信评价，过滤水军刷单等产生的可疑评价，查找商品的缺点和不足，避免上当受骗、买错东西和退换货的麻烦",
  "version": "2.1.27",
  "browser_action": {
    "default_icon": "images/logo_pic_19.png",
    "default_popup": "popup.html",
    "default_title": "防刷刷-网购防忽悠"
  },
  "permissions": [
    "storage",
    "https://www.xuanyouwang.com/*",
    "https://commentanalyzer-10047652.file.myqcloud.com/*",
    "*://*.taobao.com/*",
    "*://*.tmall.com/*",
    "*://*.tmall.hk/*",
    "*://*.jd.com/*",
    "*://*.yhd.com/*",
    "*://*.dangdang.com/*",
    "*://*.amazon.cn/*",
    "*://*.gome.com.cn/*",
    "*://*.suning.com/*",
    "*://*.yao.95095.com/*",
    "*://*.liangxinyao.com/*"
  ],
  "content_security_policy": "script-src 'self' https://ssl.google-analytics.com; object-src 'self'",
  "icons": {
    "16": "images/logo_pic_16.png",
    "48": "images/logo_pic_48.png",
    "128": "images/logo_pic_128.png"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "background": {
    "scripts": [
      "service_worker.js"
    ]
  },
  "content_scripts": [
    {
      "all_frames": false,
      "css": [
        "css/bottomShow.css",
        "css/jquery.jqplot.css"
      ],
      "js": [
        "lib/jquery-3.6.0.min.js",
        "lib/macy.js",
        "lib/qrcode.min.js",
        "js/common.js",
        "js/contentscript.js"
      ],
      "matches": [
        "https://item.taobao.com/item.htm*",
        "https://detail.tmall.com/item.htm*",
        "https://*.detail.tmall.com/item.htm*",
        "https://detail.tmall.hk/item.htm*",
        "https://detail.tmall.hk/hk/item.htm*",
        "https://detail.tmall.com/item_o.htm*",
        "https://item.jd.com/*",
        "https://npcitem.jd.hk/*",
        "*://product.dangdang.com/*",
        "https://product.suning.com/*"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    "images/*.png",
    "images/*.gif",
    "images/*.cur",
    "options.html"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{5b6f2a5c-5f89-4c2b-94fb-9077d2366d9c}"
    }
  }
}