Examine source code of Magic Link

{
  "name": "magic-link",
  "description": "add link for uploaded file in send.magicode.me before upload completed",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "activeTab",
    "webRequest",
    "notifications",
    "*://send.magicode.me/*"
  ],
  "version": "1.2",
  "manifest_version": 2
}