本文整理了Java中io.jsonwebtoken.Claims.getSubject()方法的一些代码示例，展示了Claims.getSubject()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Claims.getSubject()方法的具体详情如下：
包路径：io.jsonwebtoken.Claims
类名称：Claims
方法名：getSubject

Claims.getSubject介绍

[英]Returns the JWT sub (subject) value or null if not present.
[中]返回JWTsub（主题）值，如果不存在，则返回null。

代码示例

代码示例来源：origin: macrozheng/mall

/**
 * 从token中获取登录用户名
 */
public String getUserNameFromToken(String token) {
  String username;
  try {
    Claims claims = getClaimsFromToken(token);
    username =  claims.getSubject();
  } catch (Exception e) {
    username = null;
  }
  return username;
}

代码示例来源：origin: stylefeng/Guns

/**
 * 获取用户名从token中
 */
public static String getUsernameFromToken(String token) {
  return getClaimFromToken(token).getSubject();
}

代码示例来源：origin: hs-web/hsweb-framework

return JSON.parseObject(claims.getSubject(), JwtAuthorizedToken.class);
} catch (ExpiredJwtException e) {
  return null;

代码示例来源：origin: prestodb/presto

@Override
public Principal authenticate(HttpServletRequest request)
    throws AuthenticationException
{
  String header = nullToEmpty(request.getHeader(AUTHORIZATION));
  int space = header.indexOf(' ');
  if ((space < 0) || !header.substring(0, space).equalsIgnoreCase("bearer")) {
    throw needAuthentication(null);
  }
  String token = header.substring(space + 1).trim();
  if (token.isEmpty()) {
    throw needAuthentication(null);
  }
  try {
    Jws<Claims> claimsJws = jwtParser.parseClaimsJws(token);
    String subject = claimsJws.getBody().getSubject();
    return new BasicPrincipal(subject);
  }
  catch (JwtException e) {
    throw needAuthentication(e.getMessage());
  }
  catch (RuntimeException e) {
    throw new RuntimeException("Authentication error", e);
  }
}

代码示例来源：origin: SonarSource/sonarqube

private Optional<Token> validateToken(String tokenEncoded, HttpServletRequest request, HttpServletResponse response) {
 Optional<Claims> claims = jwtSerializer.decode(tokenEncoded);
 if (!claims.isPresent()) {
  return Optional.empty();
 }
 Date now = new Date(system2.now());
 Claims token = claims.get();
 if (now.after(addSeconds(token.getIssuedAt(), SESSION_DISCONNECT_IN_SECONDS))) {
  return Optional.empty();
 }
 jwtCsrfVerifier.verifyState(request, (String) token.get(CSRF_JWT_PARAM), token.getSubject());
 if (now.after(addSeconds(getLastRefreshDate(token), SESSION_REFRESH_IN_SECONDS))) {
  refreshToken(token, request, response);
 }
 Optional<UserDto> user = selectUserFromUuid(token.getSubject());
 if (!user.isPresent()) {
  return Optional.empty();
 }
 return Optional.of(new Token(user.get(), claims.get()));
}

代码示例来源：origin: alibaba/nacos

/**
 * Get auth Info
 *
 * @param token token
 * @return auth info
 */
public Authentication getAuthentication(String token) {
  /**
   *  parse the payload of token
   */
  Claims claims = Jwts.parser()
    .setSigningKey(secretKey)
    .parseClaimsJws(token)
    .getBody();
  List<GrantedAuthority> authorities = AuthorityUtils.commaSeparatedStringToAuthorityList((String) claims.get(AUTHORITIES_KEY));
  User principal = new User(claims.getSubject(), "", authorities);
  return new UsernamePasswordAuthenticationToken(principal, "", authorities);
}

代码示例来源：origin: apache/nifi

public String getAuthenticationFromToken(final String base64EncodedToken) throws JwtException {
  // The library representations of the JWT should be kept internal to this service.
  try {
    final Jws<Claims> jws = parseTokenFromBase64EncodedString(base64EncodedToken);
    if (jws == null) {
      throw new JwtException("Unable to parse token");
    }
    // Additional validation that subject is present
    if (StringUtils.isEmpty(jws.getBody().getSubject())) {
      throw new JwtException("No subject available in token");
    }
    // TODO: Validate issuer against active registry?
    if (StringUtils.isEmpty(jws.getBody().getIssuer())) {
      throw new JwtException("No issuer available in token");
    }
    return jws.getBody().getSubject();
  } catch (JwtException e) {
    logger.debug("The Base64 encoded JWT: " + base64EncodedToken);
    final String errorMessage = "There was an error validating the JWT";
    logger.error(errorMessage, e);
    throw e;
  }
}

代码示例来源：origin: SonarSource/sonarqube

Optional<Claims> decode(String token) {
 checkIsStarted();
 Claims claims = null;
 try {
  claims = Jwts.parser()
   .setSigningKey(secretKey)
   .parseClaimsJws(token)
   .getBody();
  requireNonNull(claims.getId(), "Token id hasn't been found");
  requireNonNull(claims.getSubject(), "Token subject hasn't been found");
  requireNonNull(claims.getExpiration(), "Token expiration date hasn't been found");
  requireNonNull(claims.getIssuedAt(), "Token creation date hasn't been found");
  return Optional.of(claims);
 } catch (ExpiredJwtException | SignatureException e) {
  return Optional.empty();
 } catch (Exception e) {
  throw AuthenticationException.newBuilder()
   .setSource(Source.jwt())
   .setLogin(claims == null ? null : claims.getSubject())
   .setMessage(e.getMessage())
   .build();
 }
}

代码示例来源：origin: apache/nifi

@Override
  public byte[] resolveSigningKeyBytes(JwsHeader header, Claims claims) {
    final String identity = claims.getSubject();
    // Get the key based on the key id in the claims
    final Integer keyId = claims.get(KEY_ID_CLAIM, Integer.class);
    final Key key = keyService.getKey(keyId);
    // Ensure we were able to find a key that was previously issued by this key service for this user
    if (key == null || key.getKey() == null) {
      throw new UnsupportedJwtException("Unable to determine signing key for " + identity + " [kid: " + keyId + "]");
    }
    return key.getKey().getBytes(StandardCharsets.UTF_8);
  }
}).parseClaimsJws(base64EncodedToken);

代码示例来源：origin: SonarSource/sonarqube

@Test
public void decode_token() {
 setSecretKey(A_SECRET_KEY);
 underTest.start();
 Date now = new Date();
 String token = underTest.encode(new JwtSession(USER_LOGIN, 20 * 60));
 Claims claims = underTest.decode(token).get();
 assertThat(claims.getId()).isNotEmpty();
 assertThat(claims.getSubject()).isEqualTo(USER_LOGIN);
 assertThat(claims.getExpiration()).isNotNull();
 assertThat(claims.getIssuedAt()).isNotNull();
 // Check expiration date it set to more than 19 minutes in the future
 assertThat(claims.getExpiration()).isAfterOrEqualsTo(new Date(now.getTime() + 19 * 60 * 1000));
}

代码示例来源：origin: SonarSource/sonarqube

@Test
public void refresh_token() {
 setSecretKey(A_SECRET_KEY);
 underTest.start();
 Date now = new Date();
 Date createdAt = DateUtils.parseDate("2016-01-01");
 // Expired in 10 minutes
 Date expiredAt = new Date(now.getTime() + 10 * 60 * 1000);
 Claims token = new DefaultClaims()
  .setId("id")
  .setSubject("subject")
  .setIssuer("sonarqube")
  .setIssuedAt(createdAt)
  .setExpiration(expiredAt);
 token.put("key", "value");
 // Refresh the token with a higher expiration time
 String encodedToken = underTest.refresh(token, 20 * 60);
 Claims result = underTest.decode(encodedToken).get();
 assertThat(result.getId()).isEqualTo("id");
 assertThat(result.getSubject()).isEqualTo("subject");
 assertThat(result.getIssuer()).isEqualTo("sonarqube");
 assertThat(result.getIssuedAt()).isEqualTo(createdAt);
 assertThat(result.get("key")).isEqualTo("value");
 // Expiration date has been changed
 assertThat(result.getExpiration()).isNotEqualTo(expiredAt)
  .isAfterOrEqualsTo(new Date(now.getTime() + 19 * 1000));
}

代码示例来源：origin: zhangxd1989/springboot-dubbox

/**
 * 获取用户名
 *
 * @param token Token
 * @return String
 */
public String getUsernameFromToken(String token) {
  Claims claims = getClaimsFromToken(token);
  return claims != null ? claims.getSubject() : null;
}

代码示例来源：origin: svlada/springboot-security-jwt

public String getSubject() {
    return claims.getBody().getSubject();
  }
}

代码示例来源：origin: svlada/springboot-security-jwt

@Override
public Authentication authenticate(Authentication authentication) throws AuthenticationException {
  RawAccessJwtToken rawAccessToken = (RawAccessJwtToken) authentication.getCredentials();
  Jws<Claims> jwsClaims = rawAccessToken.parseClaims(jwtSettings.getTokenSigningKey());
  String subject = jwsClaims.getBody().getSubject();
  List<String> scopes = jwsClaims.getBody().get("scopes", List.class);
  List<GrantedAuthority> authorities = scopes.stream()
    .map(SimpleGrantedAuthority::new)
    .collect(Collectors.toList());
  
  UserContext context = UserContext.create(subject, authorities);
  
  return new JwtAuthenticationToken(context, context.getAuthorities());
}

代码示例来源：origin: Exrick/x-boot

username = claims.getSubject();

代码示例来源：origin: bfwg/springboot-jwt-starter

public String getUsernameFromToken(String token) {
  String username;
  try {
    final Claims claims = this.getAllClaimsFromToken(token);
    username = claims.getSubject();
  } catch (Exception e) {
    username = null;
  }
  return username;
}

代码示例来源：origin: xkcoding/spring-boot-demo

/**
 * 根据 jwt 获取用户名
 *
 * @param jwt JWT
 * @return 用户名
 */
public String getUsernameFromJWT(String jwt) {
  Claims claims = parseJWT(jwt);
  return claims.getSubject();
}

代码示例来源：origin: apache/james-project

public String extractLogin(String token) throws JwtException {
  Jws<Claims> jws = parseToken(token);
  return jws
      .getBody()
      .getSubject();
}

代码示例来源：origin: javaee-samples/javaee8-samples

public JWTCredential getCredential(String token) {
  Claims claims = Jwts.parser()
      .setSigningKey(secretKey)
      .parseClaimsJws(token)
      .getBody();
  Set<String> authorities
      = Arrays.asList(claims.get(AUTHORITIES_KEY).toString().split(","))
          .stream()
          .collect(Collectors.toSet());
  return new JWTCredential(claims.getSubject(), authorities);
}

代码示例来源：origin: com.quhaodian.discover/discover-user

public static Long getMember(String token) {
 Long result = null;
 try {
  Jws<Claims> c = Jwts.parser().setSigningKey(base64key).parseClaimsJws(token);
  result = Long.parseLong(c.getBody().getSubject());
 } catch (Exception e) {
 }
 return result;
 
}