Rails Can't verify CSRF token authenticity with ember-data

Another option, extend the rest adapter and override the ajax hook to build out the jQuery.ajax.

hash.beforeSend = function(xhr) { xhr.setRequestHeader('X-CSRF-Token', token); }

https://github.com/emberjs/data/blob/f44952a9c9c5b7ec6183d5d86a567f9ae307d039/packages/ember-data/lib/adapters/rest_adapter.js#L564