Examine source code of X-Flex Surveillance

{
  "manifest_version": 2,
  "name": "X-Flex Surveillance",
  "version": "1.2resigned1",
  "author": "ARC Logiciels SA",
  "description": "Allows offline capture of X-flex monitoring.",
  "content_scripts": [
    {
      "matches": [
        "https://saas.xflex.ch/Mobile/DataCapture.aspx*"
      ],
      "js": [
        "Surveillance.user.js"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html",
    "browser_style": true
  },
  "permissions": [
    "storage",
    "*://saas.xflex.ch/Mobile/*",
    "*://rest.xflex.ch/api/*"
  ],
  "applications": {
    "gecko": {
      "id": "dev@arc-logiciels.ch"
    }
  }
}