@Override
public OAuth2AccessTokenEntity createIdToken(
ClientDetailsEntity client,
OAuth2Request request,
Date issueTime,
String sub,
OAuth2AccessTokenEntity accessToken) {
JWSAlgorithm signingAlg = jwtService.getDefaultSigningAlgorithm();
if (client.getIdTokenSignedResponseAlg() != null) {
signingAlg = client.getIdTokenSignedResponseAlg();
}
OAuth2AccessTokenEntity idTokenEntity = new OAuth2AccessTokenEntity();
JWTClaimsSet.Builder idClaims = new JWTClaimsSet.Builder();
// if the auth time claim was explicitly requested OR if the client always wants the auth time,
// put it in
if (request.getExtensions().containsKey("max_age")
|| (request
.getExtensions()
.containsKey(
"idtoken")) // TODO: parse the ID Token claims (#473) -- for now assume it could be
// in there
|| (client.getRequireAuthTime() != null && client.getRequireAuthTime())) {
if (request.getExtensions().get(AuthenticationTimeStamper.AUTH_TIMESTAMP) != null) {
Long authTimestamp =
Long.parseLong(
(String) request.getExtensions().get(AuthenticationTimeStamper.AUTH_TIMESTAMP));
if (authTimestamp != null) {
idClaims.claim("auth_time", authTimestamp / 1000L);
}
} else {
// we couldn't find the timestamp!
logger.warn(
"Unable to find authentication timestamp! There is likely something wrong with the configuration.");
}
}
idClaims.issueTime(issueTime);
if (client.getIdTokenValiditySeconds() != null) {
Date expiration =
new Date(System.currentTimeMillis() + (client.getIdTokenValiditySeconds() * 1000L));
idClaims.expirationTime(expiration);
idTokenEntity.setExpiration(expiration);
}
idClaims.issuer(configBean.getIssuer());
idClaims.subject(sub);
idClaims.audience(Lists.newArrayList(client.getClientId()));
idClaims.jwtID(UUID.randomUUID().toString()); // set a random NONCE in the middle of it
String nonce = (String) request.getExtensions().get("nonce");
if (!Strings.isNullOrEmpty(nonce)) {
idClaims.claim("nonce", nonce);
}
Set<String> responseTypes = request.getResponseTypes();
if (responseTypes.contains("token")) {
// calculate the token hash
Base64URL at_hash = IdTokenHashUtils.getAccessTokenHash(signingAlg, accessToken);
idClaims.claim("at_hash", at_hash);
}
if (client.getIdTokenEncryptedResponseAlg() != null
&& !client.getIdTokenEncryptedResponseAlg().equals(Algorithm.NONE)
&& client.getIdTokenEncryptedResponseEnc() != null
&& !client.getIdTokenEncryptedResponseEnc().equals(Algorithm.NONE)
&& (!Strings.isNullOrEmpty(client.getJwksUri()) || client.getJwks() != null)) {
JWTEncryptionAndDecryptionService encrypter = encrypters.getEncrypter(client);
if (encrypter != null) {
EncryptedJWT idToken =
new EncryptedJWT(
new JWEHeader(
client.getIdTokenEncryptedResponseAlg(),
client.getIdTokenEncryptedResponseEnc()),
idClaims.build());
encrypter.encryptJwt(idToken);
idTokenEntity.setJwt(idToken);
} else {
logger.error("Couldn't find encrypter for client: " + client.getClientId());
}
} else {
JWT idToken;
if (signingAlg.equals(Algorithm.NONE)) {
// unsigned ID token
idToken = new PlainJWT(idClaims.build());
} else {
// signed ID token
if (signingAlg.equals(JWSAlgorithm.HS256)
|| signingAlg.equals(JWSAlgorithm.HS384)
|| signingAlg.equals(JWSAlgorithm.HS512)) {
JWSHeader header =
new JWSHeader(
signingAlg,
null,
null,
null,
null,
null,
null,
null,
null,
null,
jwtService.getDefaultSignerKeyId(),
null,
null);
idToken = new SignedJWT(header, idClaims.build());
JWTSigningAndValidationService signer =
symmetricCacheService.getSymmetricValidtor(client);
// sign it with the client's secret
signer.signJwt((SignedJWT) idToken);
} else {
idClaims.claim("kid", jwtService.getDefaultSignerKeyId());
JWSHeader header =
new JWSHeader(
signingAlg,
null,
null,
null,
null,
null,
null,
null,
null,
null,
jwtService.getDefaultSignerKeyId(),
null,
null);
idToken = new SignedJWT(header, idClaims.build());
// sign it with the server's key
jwtService.signJwt((SignedJWT) idToken);
}
}
idTokenEntity.setJwt(idToken);
}
idTokenEntity.setAuthenticationHolder(accessToken.getAuthenticationHolder());
// create a scope set with just the special "id-token" scope
// Set<String> idScopes = new HashSet<String>(token.getScope()); // this would copy the original
// token's scopes in, we don't really want that
Set<String> idScopes = Sets.newHashSet(SystemScopeService.ID_TOKEN_SCOPE);
idTokenEntity.setScope(idScopes);
idTokenEntity.setClient(accessToken.getClient());
return idTokenEntity;
}
