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spring-auth-demo/src/main/java/com/ankurm/jwtauth/JwtAuthDemoApplication.java
asmhatre adf996da44 Spring Security 7.1 JWT authentication on Spring Boot 4.1
Runnable companion for https://ankurm.com/spring-security-7-1-jwt-authentication-guide/

- login -> token issue -> OncePerRequestFilter -> SecurityContext, end to end
- HS256 and RS256 variants (RS256 publishes a real JWKS endpoint)
- the same API secured by the built-in oauth2ResourceServer().jwt(), for comparison
- 11 documentation chapters under docs/, interlinked with the code
- docs/output/ is real captured output, regenerated by scripts/run-all.sh
- 13 passing tests pinning the 401-vs-403 contract and the CSRF failure

Verified against Spring Boot 4.1.1, Spring Security 7.1.1, JDK 25.0.4.1.
2026-08-22 06:22:25 +00:00

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1.0 KiB
Java

package com.ankurm.jwtauth;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
/**
* Runnable companion for the ankurm.com article
* "Spring Security 7.1 JWT Authentication: The Complete Guide (Spring Boot 4.1)".
*
* <p>Two signing variants are wired as Spring profiles:
* <ul>
* <li>{@code hs256} (default) - symmetric HMAC, one shared secret.</li>
* <li>{@code rs256} - asymmetric RSA, private key signs, public key (JWKS) verifies.</li>
* </ul>
*
* <p>Two validation styles are wired as Spring profiles too:
* <ul>
* <li>{@code manual} (default) - a hand-written {@code OncePerRequestFilter}.</li>
* <li>{@code resourceserver} - Spring Security's built-in
* {@code oauth2ResourceServer().jwt()} support.</li>
* </ul>
*
* @see docs/01-architecture.md
*/
@SpringBootApplication
public class JwtAuthDemoApplication {
public static void main(String[] args) {
SpringApplication.run(JwtAuthDemoApplication.class, args);
}
}