this post was submitted on 27 Dec 2023
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Spring Security styles for enabling authentication (lemmy.eco.br)
submitted 10 months ago by [email protected] to c/java
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Hello there.

I'm writing a simple REST API using Spring Boot and I just added basic HTTP authentication in it. I'm currently using Spring Boot 3.1.5 and Spring Security 6.1.5.

There are different instructions on the web about how to correctly setup basic HTTP authentication for web requests, I believe they differ according to the Spring Security version.

It seems that latest guides use implementations of the UserDetails interface, which I found rather confusing, as it is not clear for me how exactly the framework uses that. Instead, I found much easier and clear to write my own class that inherits from AuthenticationProvider and override its authenticate() method to do all fancy things for me, including checking and setting user roles.

I'd like to ask you if there is any drawback working with AuthenticationProvider that I cannot see right now, instead of newest documentation, that doesn't seem to just use default AuthenticationProvider.

Thanks!

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[โ€“] [email protected] 2 points 10 months ago (1 children)

Sorry if throwing a bit of wrench in your way but in general nowadays OAuth2.0 bearer token based authentication with API's is the preferred way to do things.

This way you don't have to send the username/password to the site, just the JWT token signed by the identity provider. It is of course depending on the case, but usually frameworks support OAuth quite easily, and you don't have to worry about storing the credentials yourself.

[โ€“] [email protected] 1 points 10 months ago

Thanks for the reply. Yeah, I'll probably go that way once I get familiar with basic HTTP authentication in Spring.