JWTApiTest

package com.example.jwtdemo;

import com.auth0.jwt.JWT;
import com.auth0.jwt.JWTVerifier;
import com.auth0.jwt.algorithms.Algorithm;
import com.auth0.jwt.interfaces.DecodedJWT;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.test.context.SpringBootTest;

@SpringBootTest
public class JWTApiTest {

    private ObjectMapper objectMapper = new ObjectMapper();

    private Logger log = LoggerFactory.getLogger(JWTApiTest.class);

    @Test
    public void sayHello() {
        log.info("Hello JWT!");
    }

    @Test
    public void createToken() {
        Algorithm algorithm = Algorithm.HMAC256("thisasjldkfn");

        String token = JWT.create().withIssuer("auth0").sign(algorithm);
        log.info(token);
    }

    @Test
    public void verifyToken() throws JsonProcessingException {
        String token = "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJhdXRoMCJ9.GWxauGiVkFotvKwgf_J8-XIvmAJ3VDhikVFYag8vSxQ";
        Algorithm algorithm = Algorithm.HMAC256("thisasjldkfn");
        JWTVerifier verifier = JWT.require(algorithm).withIssuer("auth0").build();
        DecodedJWT jwt = verifier.verify(token);

        log.info(objectMapper.writeValueAsString(algorithm));
    }

    @Test
    public void decodeToken() throws JsonProcessingException {
        String token = "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJhdXRoMCJ9.GWxauGiVkFotvKwgf_J8-XIvmAJ3VDhikVFYag8vSxQ";
        DecodedJWT decodedJWT = JWT.decode(token);
        log.info(objectMapper.writeValueAsString(decodedJWT));
    }
}