Pasar los token en cabezeras
var oldSync;
oldSync = Backbone.sync;
Backbone.sync = function(method, model, options) {
var csrfSafeMethod;
csrfSafeMethod = function(method) {
return /^(GET|HEAD|OPTIONS|TRACE)$/.test(method);
};
options.beforeSend = function(xhr, settings) {
if (!csrfSafeMethod(settings.type) && !this.crossDomain) {
xhr.setRequestHeader('X-CSRFToken', $.cookie('csrftoken'));
}
};
return oldSync(method, model, options);
};