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Implementing the JWT manager

Pragya Keshap answered on February 18, 2023 Popularity 1/10 Helpfulness 1/10

answer Implementing the JWT manager

Implementing the JWT manager

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we can define the JWT manager class—JwtManager. JwtManager is a custom class that is responsible for generating a new JWT. It uses the java-jwt library from auth0.com. You are going to use public/private keys for signing the token. Let's define this class, as follows:

@Component
public class JwtManager {
  private final RSAPrivateKey privateKey;
  private final RSAPublicKey pubKey;
  public JwtManager(RSAPrivateKey privateKey, RSAPublicKey         pubKey) {
    this.privateKey = privateKey;
    this.pubKey = pubKey;
  }
  public String create(UserDetails principal) {
    final long now = System.currentTimeMillis();
    return JWT.create()
        .withIssuer("Modern API Development with Spring…")
        .withSubject(principal.getUsername())
        .withClaim(ROLE_CLAIM, 
               principal.getAuthorities().stream()
           .map(GrantedAuthority::getAuthority).collect(               toList()))
        .withIssuedAt(new Date(now))
        .withExpiresAt(new Date(now + EXPIRATION_TIME))
        .sign(Algorithm.RSA256(pubKey, privateKey));
  }
}

Popularity 1/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: java jwt

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Contributed on Feb 18 2023

Pragya Keshap

0 Answers Avg Quality 2/10

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