Examine source code of Book Report

{
  "manifest_version": 2,
  "name": "Book Report",
  "description": "Book Report is the best way for indie authors and publishers to track their sales data.",
  "version": "2026.5.7",
  "background": {
    "scripts": [
      "bundle.js"
    ]
  },
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.getbookreport.com/*"
      ],
      "js": [
        "listener.js"
      ]
    },
    {
      "matches": [
        "*://*.amazon.com/*"
      ],
      "js": [
        "contentScript.js"
      ]
    }
  ],
  "permissions": [
    "*://*.getbookreport.com/*",
    "*://*.amazon.com/*",
    "alarms",
    "cookies",
    "declarativeNetRequest",
    "declarativeNetRequestWithHostAccess",
    "storage"
  ],
  "declarative_net_request": {
    "rule_resources": [
      {
        "id": "ruleset_1",
        "enabled": true,
        "path": "rules.json"
      }
    ]
  },
  "browser_action": {
    "default_icon": "images/icon128.png"
  },
  "optional_permissions": [
    "*://*.spotify.com/*",
    "*://*.authorsrepublic.com/*",
    "*://*.amazon.co.uk/*",
    "*://*.amazon.com.au/*",
    "*://*.amazon.ca/*",
    "*://*.amazon.de/*",
    "*://*.amazon.fr/*",
    "*://*.amazon.in/*",
    "*://*.amazon.es/*",
    "*://*.amazon.com.br/*",
    "*://*.amazon.co.jp/*",
    "*://*.amazon.it/*",
    "*://*.amazon.com.mx/*",
    "*://*.amazon.nl/*",
    "*://*.amazon.se/*",
    "*://*.amazon.pl/*",
    "*://*.apple.com/*",
    "*://*.google.com/*",
    "*://*.googleusercontent.com/*",
    "*://*.barnesandnoble.com/*",
    "*://*.kobo.com/*",
    "*://*.kobobooks.com/*",
    "*://*.ingramspark.com/*",
    "*://*.acx.com/*",
    "*://*.media-amazon.com/*",
    "*://*.ssl-images-amazon.com/*",
    "*://*.findawayvoices.com/*",
    "*://*.findaway.com/*",
    "*://*.findawayworld.com/*",
    "*://*.publishdrive.com/*",
    "*://*.draft2digital.com/*",
    "*://*.streetlib.com/*",
    "*://*.bookfunnel.com/*",
    "*://*.shopify.com/*",
    "*://*.woocommerce.com/*",
    "*://*.tiktokshop.com/*",
    "*://*.tolino-media.de/*",
    "*://*.xreading.com/*",
    "*://*.edenbooks.com/*",
    "*://*.ko-fi.com/*",
    "*://*.gumroad.com/*",
    "*://*.patreon.com/*",
    "*://*.buymeacoffee.com/*",
    "*://*.discord.com/*",
    "*://*.readable.app/*",
    "*://*.radishfiction.com/*",
    "*://*.campfirewriting.com/*",
    "*://*.bookvault.app/*",
    "*://*.lulu.com/*",
    "*://*.payhip.com/*",
    "*://*.lemonsqueezy.com/*",
    "*://*.storyoriginapp.com/*",
    "*://*.curios.com/*",
    "*://*.drivethrufiction.com/*",
    "*://*.dreame.com/*",
    "*://*.xinxii.com/*",
    "*://*.tapas.io/*",
    "*://*.storyfair.net/*",
    "*://*.substack.com/*",
    "*://*.bookmundo.com/*",
    "*://*.storytel.com/*",
    "*://*.nextory.com/*",
    "*://*.fourthwall.com/*",
    "*://*.kickstarter.com/*",
    "*://*.inaudio.com/*"
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{258ca2c3-53e7-4b2b-93ee-8514cfd61542}"
    }
  }
}