Examine source code of Cairn.info Export Helper

{
  "manifest_version": 2,
  "name": "Cairn Export Helper",
  "version": "1.0",
  "description": "Allow to export documents from a cairn website",
  "default_locale": "en",
  "permissions": [
    "activeTab",
    "tabs",
    "storage",
    "downloads",
    "webRequest",
    "webRequestBlocking",
    "https://shs-cairn-info.gorgone.univ-toulouse.fr/*",
    "https://stm-cairn-info.gorgone.univ-toulouse.fr/*",
    "https://droit-cairn-info.gorgone.univ-toulouse.fr/*",
    "https://shs.cairn.info/*",
    "https://droit.cairn.info/*",
    "https://stm.cairn.info/*"
  ],
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "cairndownloader@academictoolkit",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png"
    },
    "default_popup": "popup/index.html"
  },
  "background": {
    "scripts": [
      "jszip.js",
      "export.js",
      "background.js",
      "pdflib.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://shs-cairn-info.gorgone.univ-toulouse.fr/*",
        "https://stm-cairn-info.gorgone.univ-toulouse.fr/*",
        "https://droit-cairn-info.gorgone.univ-toulouse.fr/*"
      ],
      "js": [
        "content_script.js"
      ],
      "run_at": "document_idle"
    }
  ]
}