Examine source code of Authing Secure Authentication

{
  "manifest_version": 2,
  "name": "Authing Secure Authentication",
  "version": "0.0.14",
  "short_name": "ASA",
  "description": "Single Sign-on Security",
  "icons": {
    "16": "assets/favicon-16.png",
    "32": "assets/favicon-32.png",
    "48": "assets/favicon-48.png",
    "128": "assets/favicon-128.png"
  },
  "default_locale": "zh_CN",
  "browser_specific_settings": {
    "gecko": {
      "id": "sales@authing.cn",
      "strict_min_version": "58.0"
    }
  },
  "author": "Authing",
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "assets/favicon-16.png",
      "32": "assets/favicon-32.png",
      "48": "assets/favicon-48.png",
      "128": "assets/favicon-128.png"
    },
    "default_title": "Authing secure authentication",
    "browser_style": false
  },
  "background": {
    "scripts": [
      "js/background.bundle.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "all_frames": true,
      "js": [
        "js/contentScript.bundle.js"
      ],
      "run_at": "document_start"
    }
  ],
  "permissions": [
    "storage",
    "http://*/*",
    "https://*/*",
    "webRequest",
    "tabs"
  ],
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'"
}