Yuri Mednikov

Tag: Cloud

Home made JWT authentication for Javalin

An authentication with tokens became a must-have feature for modern web apps. It suits natively to single page applications and mobile applications. While Spring is de facto standard in Java ecosystem, there are…

Secure Webflux API endpoints with HandlerFilterFunction

In the previous post we have already talked about authentication in Spring Webflux. We implemented a component, that contains a required business logic to process login and signup, and to issue JWT. However,…

Simple email notification microservice using Vertx

Almost any more or less complex application has to deliver notifications. As usual, it is done via traditional emails, especially in cases of password reset messages or transactional notifications etc. There is a…

Error handling in Spring Webflux

The topic of error handling in web applications is very important. From a client perspective it is essential to know on how was the request proceeded and in case of any error is…

Two-factor authentication for Spring Webflux APIs

Multi-factor authentication became a common practice for many cases, especially for enterprise ones, or those that deal with sensitive data (like finance apps). Moreover, MFA is enforced (especially in the EU) by law…