http://blog.neattutorials.com/angularjs-and-yii2-part-2-authentication/ https://developpaper.com/yii-2-0-restful-api-authentication-tutorial-token-verification/ https://www.hafidmukhlasin.com/2015/12/25/yii2-authentication-on-yii2-restful-web-service-part-3/ https://forum.yiiframework.com/t/yii2-rest-api-with-username-and-password/86342