prabhashkr commented on code in PR #21483: URL: https://github.com/apache/kafka/pull/21483#discussion_r2888206391
########## clients/src/main/java/org/apache/kafka/common/security/oauthbearer/internals/secured/assertion/AssertionSupplierFactory.java: ########## @@ -0,0 +1,133 @@ +/* + * 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.internals.secured.assertion; + +import org.apache.kafka.common.security.oauthbearer.JwtRetrieverException; +import org.apache.kafka.common.security.oauthbearer.internals.secured.ConfigurationUtils; +import org.apache.kafka.common.utils.Time; +import org.apache.kafka.common.utils.Utils; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.File; +import java.io.IOException; +import java.util.Optional; + +import static org.apache.kafka.common.config.SaslConfigs.SASL_OAUTHBEARER_ASSERTION_ALGORITHM; +import static org.apache.kafka.common.config.SaslConfigs.SASL_OAUTHBEARER_ASSERTION_FILE; +import static org.apache.kafka.common.config.SaslConfigs.SASL_OAUTHBEARER_ASSERTION_PRIVATE_KEY_FILE; +import static org.apache.kafka.common.config.SaslConfigs.SASL_OAUTHBEARER_ASSERTION_PRIVATE_KEY_PASSPHRASE; +import static org.apache.kafka.common.security.oauthbearer.internals.secured.assertion.AssertionUtils.layeredAssertionJwtTemplate; + +/** + * Factory class for creating JWT assertion suppliers used in OAuth 2.0 client authentication. + * + * <p> + * This factory supports two methods of obtaining JWT assertions for client authentication: + * <ul> + * <li><b>File-based assertions:</b> Pre-generated JWT assertions read from a file specified by + * {@link org.apache.kafka.common.config.SaslConfigs#SASL_OAUTHBEARER_ASSERTION_FILE}. + * This is useful for testing or when assertions are managed externally.</li> + * <li><b>Locally-generated assertions:</b> JWTs dynamically created and signed using a private key Review Comment: Replaced with Dynamically. -- 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: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
