Examine source code of HTTPS by default

{
  "name": "HTTPS by default",
  "description": "Request websites over secure https by default from the location bar instead of insecure http. Exceptions can be added at the add-on's preferences page (to not use HTTPS by default for some sites).",
  "version": "0.4.6resigned1",
  "manifest_version": 2,
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "storage",
    "tabs",
    "webNavigation",
    "webRequest",
    "webRequestBlocking",
    "*://*/*"
  ],
  "options_ui": {
    "page": "options.html"
  },
  "applications": {
    "gecko": {
      "strict_min_version": "57.0a1",
      "id": "https-by-default@robwu.nl"
    }
  }
}