Examine source code of AnIppo

{
  "description": "Internetpositif >:(",
  "manifest_version": 2,
  "name": "anippo",
  "version": "0.3.4.2resigned1",
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "http://*/*"
  ],
  "background": {
    "scripts": [
      "anippo.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{549d943d-3865-4235-81cd-0b1c713f8fbd}"
    }
  }
}