kirktrue commented on a change in pull request #11284: URL: https://github.com/apache/kafka/pull/11284#discussion_r732259427
########## File path: clients/src/main/java/org/apache/kafka/common/security/oauthbearer/secured/OAuthBearerValidatorCallbackHandler.java ########## @@ -0,0 +1,112 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.kafka.common.security.oauthbearer.secured; + +import java.io.IOException; +import java.util.List; +import java.util.Map; +import javax.security.auth.callback.Callback; +import javax.security.auth.callback.UnsupportedCallbackException; +import javax.security.auth.login.AppConfigurationEntry; +import org.apache.kafka.common.KafkaException; +import org.apache.kafka.common.security.auth.AuthenticateCallbackHandler; +import org.apache.kafka.common.security.oauthbearer.OAuthBearerExtensionsValidatorCallback; +import org.apache.kafka.common.security.oauthbearer.OAuthBearerToken; +import org.apache.kafka.common.security.oauthbearer.OAuthBearerValidatorCallback; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class OAuthBearerValidatorCallbackHandler implements AuthenticateCallbackHandler { + + private static final Logger log = LoggerFactory.getLogger(OAuthBearerValidatorCallbackHandler.class); + + private CloseableVerificationKeyResolver verificationKeyResolver; + + private AccessTokenValidator accessTokenValidator; + + private boolean isConfigured = false; + + @Override + public void configure(Map<String, ?> configs, String saslMechanism, List<AppConfigurationEntry> jaasConfigEntries) { + CloseableVerificationKeyResolver verificationKeyResolver = VerificationKeyResolverFactory.create(configs, saslMechanism); + AccessTokenValidator accessTokenValidator = AccessTokenValidatorFactory.create(configs, saslMechanism, verificationKeyResolver); + configure(verificationKeyResolver, accessTokenValidator); + } + + public void configure(CloseableVerificationKeyResolver verificationKeyResolver, AccessTokenValidator accessTokenValidator) { + this.verificationKeyResolver = verificationKeyResolver; + this.accessTokenValidator = accessTokenValidator; + + try { + verificationKeyResolver.init(); + } catch (Exception e) { + throw new KafkaException("The OAuth validator configuration encountered an error when initializing the VerificationKeyResolver", e); + } + + isConfigured = true; + } + + @Override + public void close() { + if (verificationKeyResolver != null) { + try { + verificationKeyResolver.close(); + } catch (Exception e) { + log.error(e.getMessage(), e); + } + } + } + + @Override + public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException { + checkConfigured(); + + for (Callback callback : callbacks) { + if (callback instanceof OAuthBearerValidatorCallback) { + handle((OAuthBearerValidatorCallback) callback); + } else if (callback instanceof OAuthBearerExtensionsValidatorCallback) { + OAuthBearerExtensionsValidatorCallback extensionsCallback = (OAuthBearerExtensionsValidatorCallback) callback; + extensionsCallback.inputExtensions().map().forEach((extensionName, v) -> extensionsCallback.valid(extensionName)); Review comment: Correct. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
