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Use custom UserDetailsService with plain passwords.

./mvnw spring-boot:run
curl -u Michael:test http://localhost:8080/api/greeting

Use custom UserDetailsService with bcrypt passwords.

./mvnw spring-boot:run,use-bcrypt-password-hash
curl -u Michael:bcrypted http://localhost:8080/api/greeting

Demonstrates custom http security

./mvnw spring-boot:run
curl http://localhost:8080/api/greeting
curl -u Michael:test  http://localhost:8080/api/admin/user

Login via Google OAuth 2 (Please register an App via Googles API Manager and enter its ID and secret to

./mvnw spring-boot:run

Provide OAuth Authorization and Resource Server

./mvnw spring-boot:run

A word about OAuth

This example project was created during the work on Spring Boot Buch. It started with Spring Security 4 and is now on 5.

While Spring Boot 1 had a managed version of the OAuth module, Spring Boot 2 doesnt and probably doesn't need it in the future as Spring Security 5 will have that stuff somewhen in its core.

In the meantime there's a project called OAuth2 Autoconfig for smoothing a migration.

It's used in this example.