Examine source code of Studydrive Downloader

{
  "description": "__MSG_about__",
  "manifest_version": 2,
  "name": "Studydrive Downloader",
  "version": "1.2.0",
  "default_locale": "en",
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "storage",
    "https://www.studydrive.net/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "options_ui": {
    "page": "options.html",
    "browser_style": true
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.studydrive.net/*/doc/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{515c506e-6299-4d0e-8654-a5cd59503b05}"
    }
  }
}