client_id.json.example

{
   "installed" : {
      "redirect_uris" : [
         "urn:ietf:wg:oauth:2.0:oob",
         "http://localhost"
      ],
      "project_id" : "test-test-00000",
      "token_uri" : "https://accounts.google.com/o/oauth2/token",
      "auth_uri" : "https://accounts.google.com/o/oauth2/auth",
      "auth_provider_x509_cert_url" : "https://www.googleapis.com/oauth2/v1/certs",
      "client_secret" : "arglefraster",
      "client_id" : "test-test-test-test.apps.googleusercontent.com"
   }
}