Examine source code of autoauth - Never use Duo Mobile Again

{
  "name": "autoauth - Never use Duo Mobile Again",
  "description": "Handles Duo authentication automatically and in the background - safely and securely.",
  "version": "2.0.1",
  "manifest_version": 2,
  "permissions": [
    "storage",
    "https://*.duosecurity.com/"
  ],
  "background": {
    "scripts": [
      "encryption.js",
      "secure-storage.js",
      "worker.js"
    ]
  },
  "web_accessible_resources": [
    "encryption.js",
    "secure-storage.js"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://*.duosecurity.com/*"
      ],
      "js": [
        "scan_script.js"
      ]
    },
    {
      "matches": [
        "https://*.duosecurity.com/frame/*/auth/prompt*",
        "https://*.duosecurity.com/frame/prompt*"
      ],
      "js": [
        "login_script.js"
      ]
    }
  ],
  "options_page": "options.html",
  "browser_action": {
    "default_title": "Auto 2FA",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "/images/logo_16.png",
      "32": "/images/logo_32.png",
      "48": "/images/logo_48.png",
      "128": "/images/logo_128.png"
    }
  },
  "icons": {
    "16": "/images/logo_16.png",
    "32": "/images/logo_32.png",
    "48": "/images/logo_48.png",
    "128": "/images/logo_128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{62ae26d8-ef5a-4125-9c8e-b05f28839032}"
    }
  }
}