In this video you will see how easy it is to implement user impersonation using spring security in a spring boot app.
We will be using a spring boot + nextjs starter kit as our starter point which already comes with authentication implemented.

Link to the starter kit: https://github.com/NerminKarapandzic/spring-boot-nextjs-starter-kit

Nermin Karapandzic

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The post provides a step-by-step guide on implementing user impersonation in a Spring Boot application using Spring Security. User impersonation allows an administrator to assume the identity and permissions of another user for troubleshooting and support purposes. The tutorial utilizes a preconfigured starter kit and details the necessary backend and frontend modifications, including setting up the SwitchUserFilter and defining URLs for switching and exiting user contexts.

Spring boot user impersonation with spring security in 7 minutes