Examine source code of Titech Authenticator

{
  "description": "__MSG_extensionDescription__",
  "manifest_version": 2,
  "name": "Titech Authenticator",
  "version": "1.0.3resigned1",
  "icons": {
    "48": "icons/extension-48.png"
  },
  "applications": {
    "gecko": {
      "id": "titech-authenricator@hallelujahdrive.github.io"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://portal.nap.gsic.titech.ac.jp/GetAccess/Login*"
      ],
      "js": [
        "titech-auth.js"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html"
  },
  "permissions": [
    "storage"
  ],
  "web_accessible_resources": [
    "options.html"
  ],
  "default_locale": "en"
}