In certain security scenarios, using short-lived JSON Web Tokens (JWTs) can be beneficial, such as when they're used in publicly accessible URLs. To achieve this, the Angular frontend needs to refresh the token before it expires automatically. This is made possible by leveraging Angular and RxJs features in the frontend, while a Spring Boot REST endpoint verifies and updates the JWT in the backend.
This approach is based on the concepts outlined in a valuable resource on caching with RxJs, which provides a solid foundation for our frontend design.
This article uses the AngularPortfolioMgr project as an example, although it's still a work in progress. The feature showcased in this article is complete and demonstrates the integration of Angular and Spring Boot for enhanced security.
Enhancing Security with the Angular Frontend
In the AngularPortfolioMgr project, the signin/login process receives the JWT and initiates automatic token updates. The login.component.ts injects the token.service.ts and sets the token in the login method within the service:
private login(login: Login): void {
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