Examples with NullClaim com.auth0.jwt.impl.NullClaim used on opensource projects

Example 1 with NullClaim

use of com.auth0.jwt.impl.NullClaim in project yyl_example by Relucent.

the class JwtDemo method main.

public static void main(String[] args) throws Exception {
    long currentMillis = System.currentTimeMillis();
    // JWT 生存时间(5秒)
    long ttl = 5000;
    // 生成JWT的时间
    Date iat = new Date(currentMillis);
    // 生成JWT失效时间
    Date exp = new Date(currentMillis + ttl);
    // 签名秘钥
    String secret = "key";
    // 签发人
    String issuer = "root";
    // 算法
    Algorithm algorithm = Algorithm.HMAC256(secret);
    // 本地的密码解码
    JWTCreator.Builder builder = JWT.create();
    // 签发时间
    builder.withIssuedAt(iat);
    // 签发人
    builder.withIssuer(issuer);
    // 过期时间
    builder.withExpiresAt(exp);
    // 主题
    builder.withClaim("subject", "MySubject");
    String token = builder.sign(algorithm);
    System.out.println(token);
    // 解密
    JWTVerifier verifier = JWT.require(algorithm).withIssuer(issuer).build();
    DecodedJWT jwt = verifier.verify(token);
    Map<String, Claim> claims = jwt.getClaims();
    NullClaim nullClaim = new NullClaim();
    System.out.println(claims.getOrDefault("subject", nullClaim).asString());
    // 等待5秒
    System.out.println("Wait 5 seconds!");
    Thread.sleep(5000);
    try {
        // 这时候Token已经超时了，会抛出异常
        verifier.verify(token);
    } catch (JWTVerificationException e) {
        System.err.println(e);
    }
}