Development: Re-enable HTTP basis authentication method and extend security documentation

[julian-christl]

Checklist

General

• I tested all changes and their related features with all corresponding user types on a test server.
• I chose a title conforming to the naming conventions for pull requests.

Server

• I strictly followed the server coding and design guidelines.

Motivation and Context

Contacted by a user who uses Basis Auth to retrieve information from via the API directly, I found out that the Spring Boot 3 unintentionally (at least as far as I know) deactivated HTTP Basic Auth.
As we didn't deprecated it publically, this PR re-enables it.

Description

I re-enabled it \o/
It looks, however, like it only works for external accounts when the external accounts are enabled. As I intend to refactor the authentication in that regard anyway, I won't debug this as the user will use their external account anyway.

Steps for Testing

• Log in via the webclient (external user) and navigate on one or two pages
• Access a secured endpoint that your user has access to via basis auth (e.g. using Postman or curl) (external user)

Both should still work.

Testserver States

Note

These badges show the state of the test servers.
Green = Currently available, Red = Currently locked

Review Progress

Code Review

• Code Review 1
• Code Review 2

Manual Tests

• Test 1
• Test 2

Summary by CodeRabbit

• New Features
  • Enhanced security with the introduction of HTTP basic authentication configurations.
  • Conditionally added configuration for LTI integration.
  • Improved JWTConfigurer class for enhanced JWT-based authentication.

[coderabbitai]

Walkthrough

The update enhances the security configuration of a Java application by incorporating a Customizer from Spring Security to set up HTTP basic authentication with default configurations. This change aims to strengthen web interaction security by introducing conditional LTI configuration and a method for creating a JWTConfigurer for JWT-based authentication.

Changes

File Path	Change Summary
.../artemis/config/SecurityConfiguration.java	Added Customizer for configuring HTTP basic authentication with defaults. Conditionally configured LTI settings.
.../artemis/security/jwt/JWTConfigurer.java	Updated JWTConfigurer with detailed JavaDoc comments. Constructor now requires TokenProvider. Added JWTFilter for JWT token handling.

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[milljoniaer]

code looks good 👍

[laurenzfb]

tested on staging + postman with basic auth. Seems to work

[krusche]

See my inline comment. I would appreciate better inline documentation.

[krusche]

I added some inline comments

outdated

[JohannesStoehr]

Nice comments