config.js

angular.module('app', []).config = function($httpProvider) {
  var authToken = $("meta[name=\"csrf-token\"]").attr("content");
  $httpProvider.defaults.headers.common["X-CSRF-TOKEN"] = authToken;
  $httpProvider.defaults.headers.patch = {
    'Content-Type': 'application/json;charset=utf-8'
  };
};